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thermoplastic polymers

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Published: 01 November 1995
Fig. 24 1000 h isochronous stress-strain curves for several thermoplastic polymers. PVC, polyvinyl chloride; ABS, acrylonitrile-butadiene-styrene; HDPE, high-density polyethylene; LDPE, low-density polyethylene. Source: Ref 28 More
Image
Published: 01 January 2005
Fig. 1 Thermoplastic elastomers are long-chain polymers that form from regions where polymer chains line up and crystallize. More
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003035
EISBN: 978-1-62708-200-6
... and mechanical properties, including catalyst, fillers, thickeners, pigments, thermoplastic polymers, flame retardants, and ultraviolet absorbers. It talks about the mixing techniques available for SMC resin pastes, including batch, batch/continuous, and continuous mixing. The article also outlines the design...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003006
EISBN: 978-1-62708-200-6
..., etc.) that can be produced by appropriate processing. Thermoplastics and Thermosets One very important classification scheme is based on the response of the polymer to heat and solvents. There are two extreme types of response possible, leading to the classification of polymers...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009071
EISBN: 978-1-62708-177-1
... Polymer matrices used for composite materials can be generally described as either thermoplastics or thermosets. Thermosets are polymer resins that crosslink and form a three-dimensional structure when cured. Once cured, the network structure is irreversible and cannot be reshaped or made to flow below...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003368
EISBN: 978-1-62708-195-5
... is National Aeronautics and Space Administration (NASA) 1142-B11. Searches were initiated for tougher materials, and thermoplastic polymers were identified as a candidate option. They were perceived as inherently tough and resistant to damage from low- velocity impacts. Significant programs were funded...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003571
EISBN: 978-1-62708-180-1
..., wear study is separated as elastomers, thermosets, glassy thermoplastics, and semicrystalline thermoplastics. The article describes the effects of environment and lubricant on the wear failures of polymers. It presents a case study on nylon as a tribological material. The article explains the wear...
Book Chapter

Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003370
EISBN: 978-1-62708-195-5
... strength, impact resistance, stiffness, and dimensional stability. Other additives are catalysts, fillers, thickeners, mold release agents, pigments, thermoplastic polymers, polyethylene powders, flame retardants, and ultraviolet absorbers, all of which are mixed by the SMC manufacturer to exact...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006850
EISBN: 978-1-62708-395-9
... are discussed as well as a discussion on the wear study of "elastomers," "thermosets," "glassy thermoplastics," and "semicrystalline thermoplastics." The article also discusses the effects of environment and lubricant on the wear failures of polymers. It presents a case study on considering nylon...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003441
EISBN: 978-1-62708-195-5
... Continuous service temperature Processing temperature or melting point Heat-deflection temperature Solvent and chemical resistance Environmental resistance Each thermoplastic polymer application has a need for some data from this list of tests. The processing method or the end use usually...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006849
EISBN: 978-1-62708-395-9
..., alloyed, or blended compositions or highly modified thermoplastic composites. It begins with a discussion on characterizing mechanical, rheological, and thermal properties of polymer. This is followed by a section describing molecular weight determination using viscosity measurements. Next, the article...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001469
EISBN: 978-1-62708-173-3
... welding welding evaluation methods POLYMERS AND POLYMERIC COMPOSITES are attractive because of their high strength-to-weight ratio, chemical inertness, and ability to be molded into complex shapes at relatively low cost. Polymers can be categorized as thermosets or thermoplastics. In the case...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005676
EISBN: 978-1-62708-198-6
... on the sequence and number of monomer units in the backbone (e.g., statistical, random, or alternating). Common medical copolymers include thermoplastic elastomers such as thermoplastic polyurethane and polyether-block-amide. The chemical nature of the monomers in a polymer will affect its interaction within...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003447
EISBN: 978-1-62708-195-5
... conditions of concern for resin-matrix composites. Axes definitions, symbols, and special property calculations for composite material property tests are reviewed. The article provides an overview of the performance capabilities of selected polymer-matrix composite materials such as thermoplastic-matrix...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003009
EISBN: 978-1-62708-200-6
... sulfones, polyethylene terephthalates, thermoplastic polyimides, liquid crystal polymers, polyphenylene ether blends, polyphenylene sulfides, and polysulfones. acetals advanced thermoplastics applications commercial forms family characteristics fluoropolymers ionomers liquid crystal polymers...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003471
EISBN: 978-1-62708-195-5
..., and thermal processes. Thermoplastic-matrix composites are recycled by regrinding, compounding/blending and reprocessing. The article concludes with discussion on the properties of recycled composite fibers. blending industrial waste disposal polymer-matrix composites recycling regrinding...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003419
EISBN: 978-1-62708-195-5
... on the matrix being a thermoset polymer. The main reason for the lack of widespread acceptance of thermoplastic matrices is that they tend to be more difficult to process into a composite than thermosets. However, this fact does not mean that there are no techniques to manufacture composites with thermoplastic...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003425
EISBN: 978-1-62708-195-5
... information on different types of joints, namely, fastened, adhesive bonded, dual polymer bonded, co-consolidated, and welded joints. It explains the joining methods of thermoplastic composites, such as press forming, diaphragm forming, autoclaving, ultrasonic welding, resistance welding, and induction...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006373
EISBN: 978-1-62708-192-4
... material properties, including chemical inertness, self-lubricating behavior, and low mass density. The wear rate of the majority of polymers during dry friction against metals is quite low. Polymers are commonly divided into the following three groups: thermoplastic polymers, thermoset polymers...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003023
EISBN: 978-1-62708-200-6
... engineering plastics glass transition temperatures rheological analysis thermal analysis thermal properties thermogravimetric analysis thermomechanical analysis thermoplastic polymers thermosetting polymers thermostat resin systems THERMAL ANALYSIS provides a powerful tool for researchers...