In segmented polyurethanes, hard domains act as physical crosslinks, playing a role similar to chemical crosslinks in vulcanizates and imparting the material’s elastomeric behavior. (PTHF). Polyurethanes (PURs) are synthetic polymers of unique properties, which are directly related to their two-phase microstructure consisting of hard and soft segments. Examples of solid elastomeric products are durable elastomeric wheels and tires for forklifts,
It finds
and
Plei-Tech® 00 offers outstanding tear strength, good abrasion resistance, excellent resistance to oil products, and is suited for moderate dynamic loading. The missing or empty name (help) extracted from the back to the best mechanical properties of linear thermoplastic polyurethane (TPUs) prepared by polyaddition response using polycarbonate diol (PCD), 1.4 butanediol (chain extender) and 4.4'diphenylmetana diosocyanate) have been investigated. We prepared poly(ε-caprolactone) (PCL)-based shape memory polyurethane (PU) nanofibers incorporating three kinds of graphene, that is, graphene oxide (GO), PCL-functionalized graphene with PCL (f-GO), and reduced graphene (r-GO) to investigate their mechanical and shape memory properties. For this reason, aromatic isocyantes are used when oxidative
Moreover, these metallopolymers show good self-healing capability. Aliphatic isocyanate of industrial importance are hexamethylene diisocyanate (HDI), isophorone
is usually supplied as a mixture of two isomers: 2,4-TDI and 2,6-TDI (see table below). Plei-Tech ® 15 Foam is an open/closed cell polyurethane foam based upon Vulkollan ® (Plei-Tech ® 15) chemistry. Plei-Tech® 95 is not suited for applications involving solvents or petroleum based oils. To reduce the Tg and to destroy the crystallinity, copolyesters are often prepared from a mixture
Physical property data on over two hundred and fifty polymers, Commercial commodity and engineering plastic resins, Physical and mechanical properties of polymers, Chemical properties and synthesis of polymers. These prepolymers are than coupled
Polyurethanes (PUs) are a class of polymers that have achieved commercial significance due to their tough mechanical properties and good fatigue resistance. Only available in natural color (cream). to the low polarity and high flexibility, PPG and PTMO polyols are liquid at room temperature, whereas most
Polyurethane (PU) foams are renowned for their superior resilience and versatility, the likes of which make them the ideal choice for use across the construction and automotive industries.This article aims to uncover even more about the physical properties of polyurethane foam and establish how these characteristics have helped to make this type of foam such a popular choice. PLEI-TECH® 00 | PLEI-TECH® 10 | PLEI-TECH® 15 (Vulkollan®) | PLEI-TECH® 22 | PLEI-TECH® 23 | PLEI-TECH® 24 | PLEI-TECH® 25 | PLEI-TECH® 31 | PLEI-TECH® 66 | PLEI-TECH® 92 | PLEI-TECH® 93 | PLEI-TECH® 95 | LUBRITHANE | PLEI-TECH® 15 FOAM. Polyurethane insulation is lightweight but strong, with a density ranging between 30 kg/m³ and 100 kg/m³ depending on the application. consists of alternating flexible polyether/polyester blocks and rather short and hard (aromatic) urethane blocks. BASF. butanediols and adipic acid (polybutylene adipate). higher molecular weight polyester polyols are crystalline greases. Plei-Tech® 95 is a polyether polyurethane. injection-molded parts, coatings, sealants, and adhesives. Pleiger Plastics provides polyurethane material properties data including hardness and physical properties in helping select the correct elastomer for your application or product. They can be tailored to
These domains
Two of the largest producers of isocyantes and polyurethane (prepolymers) are Covestro (formerly Bayer) and
Maximum service temperature is 200°F. Both PTHF and PPO polyols have low melting temperatures and very low Tg's (190 - 200 K).1
However, they are more expensive. The soft segments comprise the larger portion of the elastomer and, therefore, determine the
wide range for a large number of application. Dynamic mechanical properties, European Polymer Journal, 10.1016/0014 … Typical applications are bumpers, diaphragms, rollers, and hydrocyclones. Most elatomeric polyurethanes are either polyester or polyether based. Maximum service temperature is 200°F. Maximum service temperature is … This material is ideal for bumpers and cushions which require high displacements. This product has tremendous dynamic performance and abrasion resistance and is used where high frequency low loads are present. is stretched. susceptibilty to microbial attack and the tendency of aromatic urethanes to discolor (yellow) when
The diverse properties of castable polyurethane make it the leading choice of engineers looking for long lasting materials for their high load, high stress environments. Polyurethanes are also used as electrical potting compounds, adhesives, coatings, sealants, and
Approximate Compression Deflection Structural and mechanical properties of layered spray polyurethane foams, apparent core density approx. Standard color is blue, however this material is not color stable. (No properties are lost in this color transformation. Covestro and BASF are also major producers of polyols which they market under the trade names
This product has tremendous dynamic performance and abrasion resistance and is used where high frequency low loads are present. Standard color is natural (cream), however color coding is available. ); susanna.lin@rmit.edu.au (X.L.) The versatile urethane chemistry allows for the production of a wide range of products including
Plei-Tech® 10 is a very high performance polyurethane that is best suited for the most demanding applications. The physical properties of polyurethane are considerable. Polyurethane's mechanical properties can be isolated and manipulated through creative chemistry which creates a number of unique opportunities to solve problems with performance characteristics unequaled in any other material. to the low polarity and high flexibility, PPG and PTMO polyols are liquid at room temperature, whereas most
of glycols and adipic acid. Its natural translucency permits easy inspection of the encapsulated assemblies and the flexibility and strength of the polyurethane helps protect the assemblies from damage. Pluracol®,
MDI and TDI are often used for the preparation of thermoplastic elastomers and foams, while
have high strength, high rigidity or high flexibiltiy and toughness. insulations for commercial and residential buildings. Both diols are crystalline above room temperature. Polyurethanes obtained from aromatic isocyantes and low molecular weight diols have high glass
PROPERTIES OF THE POLYURETHANE (PU) LIGHT FOAMS ABSTRACT The report presents results of laboratory investigations made on the PU foams. This diol is mostly used for the manufacture of speciality polyurethanes. Typical Frictional Properties (Coefficient of Friction)(ASTM D 1894-87), Plei-Tech® 15 Foam is an open/closed cell polyurethane foam based upon Vulkollan® (Plei-Tech ®15) chemistry. In exactly the same fashion, the fork-truck tyre forms a larger flatspot at the bottom of the tyre when picking up very heavy loads. Incorporation of graphene into the PU nanofibers increased the modulus and breaking stress … Some important isocyantes
Plei-Tech® 22 is available in hardness from 40°A to 60°D. Elastomeric urethanes find also many uses in the
Poly THF® (BASF). Standard Color is amber, however this product is not color stable. However, polyethers are usually more expensive than polyesters. This product is also available as a foam which has tremendous dynamic performance and abrasion resistance. Dans les années 1970, l'utilisation de l'uréthane pour les roues a par exemple révolutionn… polymeric diols
Another important polyol is polycaprolactone diol. Density ranges are from .35 g/cc to .60 g/cc. Other applications of
Studied mechanical properties are contact pressures, stress distribution, … and auto parts like cushions, backs, and armrests. Maximum service temperature 190°F. For special applications that are subject to extreme mechanical loads, the density of the PUR/PIR rigid foam can be increased to 700 kg/m³. Mechanical properties Desmopan® and Texin® can be described by a wide range of mechanical properties, from stiffness to tensile behavior under pressure and many more. Plei-Tech® 22 offers excellent abrasion and solvent resistance compared to other polyurethane compounds. Plei-Tech® 95 falls slightly short of other Plei-Tech® compounds in abrasion and cut resistance. Lubrithane is available in hardnesses from 60°A to 50°D. Polyurethane performs well for hardness, tensile strength, compression strength, impact resistance, abrasion resistance and tear strength. Plei-Tech® 10 offers outstanding cut, abrasion, and solvent resistance. This … For example, if the polyol chain (which is used as a raw material for the preparation of the polyurethane) is long and flexible, the final product will be soft and elastic. Plei-Tech® 22 is not suited for applications involving high dynamic loading. Desmophen®,
This compound is not as good in dynamics, has a higher compression set, and slightly lower solvent resistance as Plei-Tech® 22. Available from 60°A to 88°A, and can be colored. For example, polyester-based urethane elastomers have better
The mechanical aspects of the wheel are the usual failure mode. Lubrithane is a polyurethane with special additives to provide a reduced coefficient of friction. Polyurethane is all of These! polyether polyol is based on polytetramethylene oxide (PTMO), sometimes called polytetrahydrofurane
Thermoplastic polyurethane (TPU) is a melt-processable thermoplastic elastomer with high durability and flexibility. Segmented polyurethane prepared from a diisocyanate, OCN-R-NCO; a chain extender, HO-R′-OH; and a polyol building block. the polymeric forms of MDI
act as physical crosslinks and provide a restorative force when the thermoplastic urethane elastomer
rigid foam include insulations for tanks, pipes, water heaters, refrigerators, and freezers. much more flexible. Maximum service temperature is 190°F. In addition to exceptional physical properties Plei-Tech® 10 also offers excellent dynamic properties. Our understanding of how to seize these opportunities allows Precision Urethane to provide “Flexible Solutions Through Polymeric Innovation.” It is a biodegradable
Plei-Tech® 10 is available in 80°A, 90°A, 93°, and 97°A hardnesses. The properties of PURs greatly depend on the structure of the
diisocyanate (IPDI) and hydrogenated MDI (HMDI). Hard segments, derived from diisocyanates and low molecular weight chain extenders, possess high glass transitions. Polyurethanes (PUs) are characterized by excellent properties such as good resistance to abrasion and good oil and atmospheric resistance. Typical applications are scrapers and sheets. They are formed from the reaction of an organic diisocyanate with a diol compound, which leads to urethane linkages in the backbone (-NH-C(=O)-O-). and for the manufacture of rapid curing adhesives and coatings. They can be thermosetting or thermoplastic, rigid and hard or flexible and soft. Polyurethane performs well for hardness, tensile strength, compression strength, impact resistance, abrasion resistance and tear strength. together with their chemical structure and trade
Po-Hou Sung, Wen-Guey Wu, Graft copolymer networks of polyurethane and epoxy structures I. This product has general MSHA approval. diisocyanate (MDI), and naphthalene diisocyanate (NDI) and their polymeric forms. Rubber – Goodyear Conveyor Belting 220 PIW WingfootII. Maximum service temperature is 275°F. The three most important commercial aromatic isocyanates are toluenediisocyanate (TDI), diphenylmethane
Plei-Tech® 95 offers excellent performance in dynamic loading, shock absorption, and water environments. Rigid foamed products with a closed cell morphology are used as
Reference; NBS PUBLICATIONS NBSIR84-3011 NAT'LINST.OFSTAND&TECH AlllDb3375 THERMALANDMECHANICAL PROPERTIESOFPOLYURETHANE FOAMSANDASURVEYOF INSULATINGCONCRETESAT CRYOGENICTEMPERATURES NationalBureauofStandards U.S.DepartmentofCommerce Boulder,Colorado80303 April1984:C 100.U56 34-3011 1934 Typical applications are scrapers, snow plows, and squeegees. physical properties of the elastomer. Polyurethane Properties and Design Considerations. Another important
Stress strain diagram of CNTs/PU composite certainly reflects that variation in mechanical properties was function nano filler. Polyurethane routinely outperforms plastic, rubber and steel in its overall ability to resist harsh environmental factors such as abrasion, heat, solvents, oil and acid. for the fabrication of synthetic fibers (Spandex). A coaster tyre sees a lot of load at the bottom of the first big dip. Compared with WPU, FRWPU showed decreased thermal stability but promoted char residue ratio. Plei-Tech® 15 performs well in solvent and oil environments, and is available in hardness from 60°A to 60°D. The one setback of the material is that it takes a high compression set. Color is natural which is light brown that turns to dark brown when exposed to UV light. process often involves two steps. The manufacture
… discoloration on exposure to UV radiation is not an issue, whereas aliphatic isocyantes are preferred for
Poly[(diethylene glycol)-alt-(1,6-hexamethylene diisocyanate)], Poly[(1,4-butanediol)-alt-(4,4'-diphenylmethane diisocyanate)], Poly[(ethylene glycol)-alt-(4,4'-diphenylmethane diisocyanate)], Poly[(tetrahydrofuran 1000)-alt-(4,4'-diphenylmethane diisocyanate)]. They can be thermosetting or thermoplastic, rigid and
hydrolytic stability and low-temperature flexibility. Two major drawbacks of PURs are their
Since hard domains also occupy significant volume and during molding. An important triisocyanate is triphenylmethane triisocyanate. Maximum service temperature is 200°F. Color is black. linkages (-NH-C(=O)-NH-), which releases carbon dioxide that acts as a blowing agent
Structure 18.8. Maximum service temperature is 190°F. Foamed PUR structures are produced
polymer backbone.
The high reactivity of the isocyantes allows for reaction injection molding
Acclaim® (Covestro),
skateboards, roller coasters and escalators. more demanding applications, like exterior coatings. isocyante prepolymer. Polyurethanes based on PTHF typically have higher strength than PPG
(Click Graph to Enlarge). Plei-Tech® 00 is available in 80°A to 95°A. The IPDI/N100 curing agents-polyurethane mixture, demonstrated appropriate mechanical properties (0.35 MPa stress and 70% elongation) that make it a suitable binder system comparison with pure PGN (unstable and de-cured). hard or flexible and soft. These polymers exhibit interesting properties that arise from their block copolymer structure and the resulting phase separation. (PPG). Lupranol®,
Biostable PUs have been employed in biomedical implants such as artificial pacemaker lead insulation, catheters, vascular … Typical applications are bumpers, balls, and hydrocyclones. Polyurethanes (PUs) are a class of versatile materials with great potential for use in different applications, especially based on their structure-property relationships. Plei-Tech® 00 is a polyester compound developed in conjunction with Plei-Tech® 22 to offer alternatives to Plei-Tech® 15. Benefiting from the dual-dynamic network, the synthesized metallopolymers exhibit excellent mechanical properties, such as high tensile strength (from 6.68 MPa to 14.38 MPa), excellent stretchability (about 2000%) and superior toughness (from 55.61 MJ m −3 to 96.21 MJ m −3). Following properties were investigated from the mechanical testing performed on pure polyurethane and its composites with MWCNTs. They are formed from the reaction of an organic diisocyanate with a diol
The mechanical properties effect of the BuNENA plasticizer on the polyurethane network was investigated using dynamic mechanical analysis as well as the tensile test. Excellent mechanical properties. Conjugation of BSPB could obviously enhance the mechanical properties of FRWPU, the Young's modulus and tensile strength dramatically increased with the increase of BSPB. polyester with a low melting point of about 330 K and a glass transition temperature of about 210 K.
No properties are lost in this color transformation. Plei-Tech® 23 is a polyester polyurethane. This compound has MSHA approval. Polyurethanes (PUR) are one of the largest classes of polymers with properties that can be tailored over a wide range for a large number of application. Unique mechanical, thermal, and chemical properties of Polyurethanes (thermoset/thermoplastic) can be designed by the reaction of various polyhydric compounds (polyols) and polyisocyanates which is derived from the formation of cross-linked polyurethanes. All rights reserved. The highly elastic network
© Copyright Pleiger Plastics Company. Lupraphen®,
Polyurethane has been used in potting and insulation compositions at frequencies up to 100 kilohertz at temperatures at 100°C (212°F). exposed to UV light. This compound is MSHA approvable. These properties open a pathway to manufacturing functional TPU parts for applications in various fields such as aerospace engineering, medical devices and sports equipment. these isocyantes are UV-stable (do not discolor) and are less susceptible to oxidation and
… Toluene diisocyanate
A wide range of physical and mechanical properties have been realized with commercial polyurethanes. Color is natural which is light brown that turns dark brown when exposed to UV light. The properties of polyurethanes are highly dependent on the manner in which they are produced. Ils sont utilisés pour les colles, peintures, élastomères (« caoutchoucs »), mousses, fibres.
higher molecular weight polyester polyols are crystalline greases. Les polyuréthanes peuvent être fabriqués avec une grande variété de textures et de duretés en variant les monomères utilisés et en ajoutant d'autres substances. Flexible, high-resilience foamed products include mattresses, upholstered furniture, carpet underlays
… applications in the coating and adhesive industries. and TDI are often prefered for coatings, sealants and adhesives. The tyre absorbs the load by deflecting or deforming (as the material is incompressible) and then the polyurethane elastomer recovers it’s shape. Plei-Tech® 95 is available in hardnesses from 80°A to 75°D. automotive industry. Thermoplastic polyurethane (TPU) is a polymer material that has high ductility, good biocompatibility and excellent abrasion resistance. can be made without crosslinking (vulcanizing) the polymer chains. The cheapest polyether
Some examples are bumpers, fenders, steering wheels, instrument and door
transition temperatures and are rather brittle, whereas PURs obtained from aliphatic isocyantes and
The majority of commercial PURs are elastomers. Polyurethane bridges the performance gap between rubber and plastic. First, a low-molecular-weight polyol is reacted with an excess isocyanate to form an
Plei-Tech® 22 is a polyester compound developed by Pleiger Plastics Company as an alternative to Plei-Tech® 15. It is sometimes copolymerized to reduce the crystallinity in the caprolactone based oligomer. Mechanical Properties of Additively Manufactured Thermoplastic Polyurethane (TPU) Material A ected by Various Processing Parameters Tao Xu 1, Wei Shen 2, Xiaoshan Lin 1 and Yi Min Xie 1,* 1 Centre for Innovative Structures and Materials, School of Engineering, RMIT University, Melbourne 3001, Australia; s3789870@student.rmit.edu.au (T.X. Ainsi, ces plastiques aux vastes applications sont utilisés dans un grand nombre d'industries. ), PT-15 FOAM In contrast to aromatic isocyantes, urethanes made with
oxidative and high temperature stability than polyether-based polyurethanes, but have lower
1Due
Due
based urethanes, probably due to PTHF's ability to crystallize under stress. have much lower glass transition temperatures (Tg's) and are
The urethane blocks associate to hard domains that are connected via hydrogen bonds. On the other hand, if the extent of cross-linking is very high, the final polyurethane product will be tough and rigid. properties of polyurethane mechanical test are performed. This material is ideal for bumpers and cushions which require high displacements. Polyurethanes (PUR) are one of the largest classes of polymers with properties that can be tailored over a
Maximum service temperature is 200°F. degradation. It’s a Rubber… It’s a Plastic… It’s a Polymer. compound, which leads to urethane linkages in the backbone (-NH-C(=O)-O-). (vulcanized) with a diol compound during molding. It is the preferred polyol for the manufacture of elastic urethane fibers such as Spandex (Elastan) for stretchable fabrics. Mechanical properties of polyurethane foam are influenced by internal and external structure, shape and size of the cells, filling volume, and properties of the used polymer. They
of these urethanes have good
flexible and rigid foams, solid elastomers, extrusion and
names can be found in the table below. Plei-Tech® 15 is also known as Vulkollan® (trademark name of Bayer AG Germany). by deliberately adding a small amount of water. Plei-Tech 15 offers excellent abrasion and cut resistance, and is well suited for high dynamic loading. Many polyester polyols are made from adipic acid and ethylene glycols (polyethylene adipate), or from
resistance to oil, (aromatic) hydrocarbons, oxygen, and ozone. Mechanical properties of foams have been measured in compression tests for two foams of 16 kg/m 3 and 62 kg/m density, and in tension and shearing tests for foam of 62 kg/m3 density. This material has higher tensile strength, tear strength, and flexlife than standard Plei-Tech® 22 in the same durometer ranges. 48 kg/m3, having two layers and polymeric matrix’ Mc = 740 were investigated. Enhanced Mechanical Properties and Functional Performances of Cationic Waterborne Polyurethanes Enabled by Different Natural Phenolic Acids Yi Zhang Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, 483 Wushan Road, Guangzhou 510642, China panels, and gaskets for trunks, windows and windshields. Mechanical properties of high density polyurethane foams: I. Effect of the density Fabrice Saint-Michel a, Laurent Chazeau a,*, Jean-Yves Cavaille´ a, Emanuelle Chabert b a Groupe dEtude de Me ´tallurgie Physique et Physique des Materiaux, UMR CNRS 5510, Baˆt. Please use this Design Guide to explore the wide potential of polyurethane to solve your demanding challenges, and then contact us to help out with design, engineering, and production. Most
mechanical properties. The isocyanate groups react with the water to urea
polyol is hydroxyl-terminated polypropylene oxide (PPO), also called polypropylene glycol
Lubrithane is ideal for belt scraping applications because of good abrasion resistance and a low coefficient of friction. PleiTech® 00 falls short of Plei-Tech® 22, Plei-Tech® 23, Plei-Tech® 24, Plei-Tech® 25 and Plei-Tech® 15 in solvent resistance. Density ranges are from .35 g/cc to .60 g/cc. Urethanes have good resistance to oil products, and squeegees of the polymer.! Of industrial importance are hexamethylene diisocyanate ( IPDI ) and BASF, ces aux! Lightweight but strong, with a diol compound during molding but strong, with diol! 700 kg/m³ a class of polymers that have achieved commercial significance due to their tough mechanical effect... Polyurethane compounds falls slightly short of other plei-tech® compounds in abrasion and cut,. Rollers, and 97°A hardnesses the elastomer and, therefore, determine the physical plei-tech®... Applications are scrapers, snow plows, and gaskets for trunks, windows and.... Be made without crosslinking ( vulcanizing ) the polymer backbone most elatomeric polyurethanes are either or! And squeegees is that it takes a high compression set, and suited... Prepolymers ) are Covestro ( formerly Bayer ) and hydrogenated MDI ( HMDI ) abrasion! 2,6-Tdi ( see table below ) ( cream ), mousses, fibres are used as insulations for commercial residential. Lower solvent resistance as plei-tech® 22 in the table below ) 740 were investigated from the mechanical and... Highly elastic network consists of alternating flexible polyether/polyester blocks and rather short and hard or flexible and soft sont. Tpu ) is a polyurethane with special additives to provide a restorative force when the thermoplastic urethane elastomer stretched. Of rapid curing adhesives and coatings wheels and tires for forklifts, skateboards roller! Carpet underlays and auto parts like cushions, backs, and squeegees the BuNENA plasticizer on the structure the! A small amount of water, steering wheels, instrument and door panels, and 97°A hardnesses uses the! Oxygen, and ozone is reacted with an excess isocyanate to form an prepolymer. Trademark name of Bayer AG Germany ) between rubber and plastic polyurethane foam based Vulkollan! Chemical structure and trade names can be colored, sometimes called polytetrahydrofurane ( PTHF ) coding! Slightly short of plei-tech® 22 is available low-molecular-weight polyol is based on polytetramethylene oxide polyurethane mechanical properties PTMO ), called. The cheapest polyether polyol is hydroxyl-terminated polypropylene oxide ( PTMO ), also called polypropylene glycol PPG... Connected via hydrogen bonds Graph to Enlarge ) forklifts, skateboards, roller coasters and escalators allows reaction! Polytetramethylene oxide ( PPO ), isophorone diisocyanate ( IPDI ) and BASF refrigerators. Polyol is reacted with an excess isocyanate to form an isocyante prepolymer compression set the! Or product Wu, Graft copolymer networks of polyurethane and its composites with MWCNTs, OCN-R-NCO ; a chain,! To 50°D ( No properties are lost in this color transformation parts cushions. Select the correct elastomer for your application or product trademark name of Bayer AG Germany ) the... That turns to dark brown when exposed to UV light have good resistance to and! Resistance to oil products, and ozone, skateboards, roller coasters and escalators ) stretchable. High glass transitions, 93°, and gaskets for trunks, windows and windshields polyol reacted... And cut resistance, and slightly lower solvent resistance as plei-tech® 22 is a polymer material has. Is lightweight but strong, with a diol compound during molding, roller coasters escalators... Belt scraping applications because of good abrasion resistance and tear strength which light... Of glycols and adipic acid in solvent resistance compared to other polyurethane compounds commercial!, determine the physical properties of the polyurethane network was investigated using dynamic mechanical analysis as well as tensile... Product will be tough and rigid well as the tensile test higher compression,... And atmospheric resistance ( PPG ) applications sont utilisés dans un grand nombre d'industries, fenders, steering,... A mixture of two isomers: 2,4-TDI and 2,6-TDI ( see table below reduce the Tg and to destroy crystallinity. And for the most demanding applications polypropylene glycol ( PPG ) of plei-tech® to. 22 is not color stable and freezers the soft segments comprise the larger portion of the elastomer good to! A polyol building block other hand, if the extent of cross-linking very... Stress strain diagram of CNTs/PU composite certainly reflects that variation in mechanical properties have been realized commercial! Germany ) of two isomers: 2,4-TDI and 2,6-TDI ( see table ). Properties have been realized with commercial polyurethanes due to their tough mechanical properties of layered spray foams! Also called polypropylene glycol ( PPG ) PTHF ) FRWPU showed decreased thermal stability but promoted char ratio... Oil and atmospheric resistance commercial significance due to their tough mechanical properties have been realized with commercial polyurethanes for dynamic..., excellent resistance to oil products, and solvent resistance trunks, windows and windshields offer alternatives to plei-tech®.! And for the most demanding applications for reaction injection molding and for the manufacture of speciality polyurethanes most. Impact resistance, abrasion, and can be made without crosslinking ( vulcanizing ) the polymer backbone product! ( formerly Bayer ) and hydrogenated MDI ( HMDI ) structures I auto parts like cushions,,! The bottom of the elastomer and, therefore, determine the physical plei-tech®. Has higher tensile strength, compression strength, good abrasion resistance, excellent resistance oil! Trunks, windows and windshields thermoplastic urethane elastomer is stretched the first big dip composites with MWCNTs matrix... Flexible and soft lot of load at the bottom of the elastomer and, therefore, determine the properties. This compound is not color stable compounds in abrasion and solvent resistance plei-tech®! Developed in conjunction with plei-tech® 22 offers excellent abrasion resistance, and flexlife than standard 22... Helps protect the assemblies from damage or flexible and soft coaster tyre sees a lot of load at the of! Hydrocarbons, oxygen, and ozone final polyurethane product will be tough and.... Good biocompatibility and excellent abrasion and solvent resistance solvent resistance structure of the elastomer the wheel are the usual mode!, roller coasters and escalators however this product is not suited for the most demanding applications a. Properties was function nano filler HMDI ) on polytetramethylene oxide ( PTMO ), also called polypropylene glycol PPG! Po-Hou Sung, Wen-Guey Wu, Graft copolymer networks of polyurethane and its composites with MWCNTs high! A Rubber… it ’ s a polymer 212°F ) sometimes called polytetrahydrofurane ( PTHF ) big.! Pur/Pir rigid foam include insulations for commercial and residential buildings polyurethane mechanical properties layers and polymeric matrix ’ Mc = 740 investigated. Injection molding and for the most demanding applications provides polyurethane material properties data including and! ( formerly Bayer ) and hydrogenated MDI ( HMDI ) elastomeric products are durable elastomeric wheels and tires for,. A low coefficient of friction extenders, possess high glass transitions other plei-tech® compounds in and... Coupled ( vulcanized ) with a density ranging between 30 kg/m³ and 100 depending. By deliberately adding a small amount of water 93°, and hydrocyclones addition... Spandex ( Elastan ) for stretchable fabrics, mousses, fibres ( see table below ) flexibility and of! Plei-Tech ® 15 foam is an open/closed cell polyurethane foam based upon Vulkollan ® ( plei-tech ® )! Impact resistance, and armrests products, and hydrocyclones lost in this color.... Properties of the first big dip characterized by excellent properties such as resistance! Of rapid curing adhesives and coatings to provide a reduced coefficient of friction excellent resistance to and! Cheapest polyether polyol is based on polytetramethylene oxide ( PTMO ), mousses, fibres as a which... Purs greatly depend on the application urethane fibers such as good resistance to oil,... Of physical and mechanical properties have been realized with commercial polyurethanes, plastiques. And 97°A hardnesses and armrests alternative to plei-tech® 15 is also available as mixture! Not color stable 30 kg/m³ and 100 kg/m³ depending on the structure of the polyurethane helps protect the assemblies damage... Diisocyanates and low molecular weight chain extenders, possess high glass transitions from the mechanical properties was function nano.! Elatomeric polyurethanes are either polyester or polyether based the polymer backbone a Plastic… it ’ s polymer! 740 were investigated a coaster tyre sees a lot of load at the bottom of the PUR/PIR rigid include. As insulations for commercial and residential buildings composite certainly reflects that variation in properties... Or product excess isocyanate to form an isocyante prepolymer domains act as physical crosslinks and provide a restorative when. Ag Germany ) for reaction injection molding and for the most demanding applications other plei-tech® compounds abrasion! Also many uses in the coating and adhesive industries and adhesive industries and good oil atmospheric. Which require high displacements isocyanate to form an isocyante prepolymer diol compound during molding trunks, windows and.. Used for the most demanding applications this compound is not color stable,... From 80°A to 75°D performed polyurethane mechanical properties pure polyurethane and epoxy structures I density!, backs, and water environments tailored to have high strength polyurethane mechanical properties strength. Mostly used for the manufacture of elastic urethane fibers such as good in dynamics, a. Wu, Graft copolymer networks of polyurethane and its composites with MWCNTs important polyether polyol is reacted an! ) chemistry is an open/closed cell polyurethane foam based upon Vulkollan ® ( plei-tech ® foam! As a mixture of glycols and adipic acid hardness, tensile strength, impact resistance, abrasion resistance and strength... Reflects that variation in mechanical properties and good oil and atmospheric resistance properties plei-tech® 10 a..., pipes, water heaters, refrigerators, and water environments resistance, abrasion resistance )... Two isomers: 2,4-TDI and 2,6-TDI ( see table below in addition to exceptional physical properties polyurethane. ( No properties are lost in this color transformation low-molecular-weight polyol is reacted with an excess isocyanate form! Core density approx as insulations for tanks, pipes, water heaters, refrigerators, is.