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cross-linked thermosetting resins

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Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003692
EISBN: 978-1-62708-182-5
...-linked resins, thermoplastic resins, and cross-linked thermosetting resins. The autooxidative cross-linked resins include alkyd resins and epoxy esters. The article examines the two types of coatings based on thermoplastic resins: those deposited by evaporation of a solvent, commonly called lacquers...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006051
EISBN: 978-1-62708-172-6
... emulsions used as pavement sealers. Relatively inexpensive Cross-linked thermosetting resins Bisphenol-A amine-cured epoxies Excellent resistance to alkalis, most organic and inorganic acids, water, and aqueous salt solutions. Solvent resistance and resistance to oxidizing agents are good as long...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003010
EISBN: 978-1-62708-200-6
... in a thermoset network of oxygen-linked triazine rings (cyanurates) and bisphenol esters/ethers. Cured cyanate resins are classified as polycyanurates, a type of polyarylate or wholly aromatic polyester that is cross-linked. The cyclotrimerization curing process is illustrated in Fig. 5 . Fig. 5 Curing...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003023
EISBN: 978-1-62708-200-6
... 0.07 16 Modified polyphenylene oxide alloy (PPO mod) 100 212 80 175 … … 38 Polyphenylene sulfide (PPS) 260 500 200 390 0.17 30 Polysulfone (PSU) 174 345 140 285 0.26 0.15 31 Styrene-maleic anhydride (S/MA) terpolymer 103 215 80 175 … … … Thermoset resins...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003006
EISBN: 978-1-62708-200-6
... of thermosets. For example, flexibilizers that usually contain fairly long segments of ─CH 2 ─ units are added to epoxies to make them less brittle; they also lower the T g of the cured resin. On the other hand, the epoxies with the highest T g s are cross linked from both resins and curing agents...
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
... resins because of their high-temperature resistance, environmental stability under hot/wet conditions, superior smoke/toxicity properties, and epoxy-like processing. They tend to be more brittle than epoxies, but can be formulated to achieve various combinations of cross-link density and elongation...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006009
EISBN: 978-1-62708-172-6
... is critical. The resins generally are inhibited by contact with oxygen during cure. This acts to slow surface cure, and the top (air-exposed) surface does not cross link completely, significantly reducing chemical resistance. For thick linings, this usually is not a critical factor. However, for thin...
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
... to cross link the resin. Venting could seriously deplete these vital ingredients. The objective of the transport process in the injection molding of thermosets is to preserve both the physical and chemical integrity of the compound, while providing mixing and densification. Low compression ratios...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003362
EISBN: 978-1-62708-195-5
...). These methods of cure use radiation to physically or chemically change organic materials, forming cross-linked polymer networks. Historic applications are in the coatings, electronics, printing, and adhesives industries where only a thin film of resin is being cured or dried. Some benefits of radiation cures...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006530
EISBN: 978-1-62708-207-5
... aluminum-to-aluminum bonds are obtained with phenolic resin adhesives modified with nitrile rubber. Thermosetting resins are high-molecular-weight polymers that react further to form a rigid, cross-linked molecular structure. After this setting, or curing, of the resin, the permanently hard, virtually...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009082
EISBN: 978-1-62708-177-1
... to different cooling rates. (a) Slow cooling rate. (b) Quenched to room temperature. Micrographs were taken from ultrathin sections. Transmitted polarized light, 40× objective Fig. 4 Fiber nucleation of spherulitic crystal growth in a high-temperature, lightly cross-linked thermoplastic-matrix...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009081
EISBN: 978-1-62708-177-1
... preparation and may potentially cause artifacts. Details of the fracture may also be difficult to observe if the sample is not mounted. When mounting the sample using a casting resin, it is necessary to add a dye to distinguish it from the matrix resin. Figure 2 shows a cross section of an impacted...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.9781627081955
EISBN: 978-1-62708-195-5
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003465
EISBN: 978-1-62708-195-5
... Fig. 5 Cure of sheet molding compound in shear sandwich mode. Cross-linking reaction indicated by sharp increase in shear modulus. Frequency: 1 Hz; amplitude: 20 μm Fig. 6 Epoxy resin cure determined using DEA with a single-surface sensor. Sample: Epon 828/DDS; heating rate: 3 °C/min...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003256
EISBN: 978-1-62708-176-4
... isotactic polystyrene (PS), two linear atactic PS materials (A and B) with different molecular weights, and lightly cross-linked atactic PS Fig. 1 Typical stress-strain curves for a fiber, a plastic, and an elastomer. Source: Ref 1 Fig. 6 Tensile stress-strain curves for several...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009080
EISBN: 978-1-62708-177-1
... and not the thermoset matrix. Epi-fluorescence, 390–440 nm excitation, 25× objective Fig. 7 Cross section of a preformed-particle-modified composite showing no distinct interlayer region. Due to the prepreg processing parameters, a particle-rich interlayer region was not developed. The hollow preformed...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003417
EISBN: 978-1-62708-195-5
... and the finished product properties. The resin matrix used is typically a liquid thermosetting resin, which reacts exothermically when heat is introduced to create a cross-linked polymer with exceptional engineering properties. The resulting thermoset composite profile cannot be reshaped or otherwise altered...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005672
EISBN: 978-1-62708-198-6
... or harden by several mechanisms. When a chemical reaction is involved, the adhesive cures to obtain final properties. Curing of polymeric adhesives can be achieved with cross-linking agents (e.g., moisture for cyanoacrylates and amines for epoxies), at elevated temperature, or by irradiation (e.g...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003367
EISBN: 978-1-62708-195-5
... and toughness modifiers. Cure, or conversion to a thermoset, occurs by cyclotrimerization of three functional groups to produce a triazine ring. The cured polymer forms a three-dimensional cross-linked network consisting of triazine rings linked to the backbone structure through ether groups. Figure 1 depicts...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006077
EISBN: 978-1-62708-172-6
... powder-coating curative, and the resin, after curing, results in a highly cross-linked thermoset with good strength, toughness, and heat and chemical resistance. It commonly is used as exterior pipeline powder coatings, particularly for below-grade and immersion service. It is particularly suited for use...