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high-temperature curing silicones

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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
... deposited by evaporation of water, a class of coatings called water-borne coatings. The coatings that chemically cross link by copolymerization, including epoxies, unsaturated polyesters, urethanes, high-temperature curing silicones, and phenolic linings, are also described. hardening autooxidative...
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
... (−58 to 390) Tensile strength High High High Medium Low Elongation/flexibility Low Medium Low High Very high Hardness Rigid Semirigid Rigid Soft Soft Number of components 1 1 1 or 2 2 1 or 2 Cure type/temperature Room temperature Ultraviolet/visible Room...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003048
EISBN: 978-1-62708-200-6
.... Silicones shrink very little upon curing and are available as single-component moisture-cured versions (room-temperature vulcanizing, or RTV) or as faster-curing two-component versions. High elongation (≤1000%) construction sealants with the highest joint movement capability are formulated from silicones...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003047
EISBN: 978-1-62708-200-6
...: Hybrids: Rubber-toughened epoxy, silicone, high-temperature polymers Thermoset polymers: Epoxy, phenolic, polyester, acrylic Rubbery thermosets: Polyether urethanes, polyester urethanes Thermoplastics: Polyamide, polyester Elastomers: Neoprene, nitrile rubber, styrene-butadiene block...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006028
EISBN: 978-1-62708-172-6
.... Industrial Maintenance Coatings The expansion of the utility of silicone resins beyond high-temperature paint was driven by economic and performance considerations. Coatings based solely on silicone resins were relatively costly, required extended thermal cure, and possessed less than optimal physical...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006029
EISBN: 978-1-62708-172-6
... to high temperatures resulting in lower film integrity. Combining the rapid cure and excellent barrier properties of epoxy resins with the thermal and UV stability of silicon-based materials, formulators created high-performance coatings with excellent resistance to corrosion and chemical attack, as well...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003405
EISBN: 978-1-62708-195-5
.... 4 and 5 . The curing cycle for cauls laid up on curing tool with waxed part model buildups is shown in Fig. 6 . Cauls fabricated on part models that can withstand temperatures as high as 175 °C (350 °F) is shown in Fig. 7 . Cauls cured at low temperature are postcured unrestrained in an oven...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002465
EISBN: 978-1-62708-194-8
... Molding by Injection, Extrusion, or Reaction Injection Preform flow-die molding by injection, extrusion, or reaction injection uses a preform of fiber or fabric in a resin matrix that is forced through a forming die at high pressure and high temperature and then is cured. Fiber orientation...
Book Chapter

Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003786
EISBN: 978-1-62708-177-1
... is fragile. Control of temperature is more critical than control of pressure. A certain minimum temperature must be exceeded in all cases, although this is, to some extent, dependent on the curing time allowed in the case of thermosetting plastics. Excessively high temperatures result in charring...
Book Chapter

Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003412
EISBN: 978-1-62708-195-5
..., polyester, or fiberglass. The fabric is treated with a release agent that must not transfer to the laminate; otherwise, subsequent bonding or painting operations may not be satisfactory. Nylon will not release from phenolics and is not satisfactory for high-temperature curing matrices, such as polyimides...
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
... When the repeating unit n is 1 or less, the resin is a liquid with a honeylike consistency. These epoxies are used for high-solids, ambient-temperature-cured epoxies. When the average molecular weight of the resin is increased by increasing n to approximately 2, by adding more bisphenol...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003041
EISBN: 978-1-62708-200-6
... will not release from phenolics and is not satisfactory for high-temperature-curing matrices, such as polyimides or bismaleimides, because its upper service temperature is about 177 °C (350 °F). Nylon can be used if the initial cure temperature is low and if it is removed before postcure. If there is any doubt...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003031
EISBN: 978-1-62708-200-6
... ease of manufacture. Composites reinforced with aramid fibers are also widely used for high-performance applications. Composites reinforced with other organic fibers and with boron, silicon carbide, and other ceramic fibers are used for certain specialty applications. Glass Fibers Initial...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003840
EISBN: 978-1-62708-183-2
... are zirconia, thoria, silicon nitride, boron nitride, and silicon carbide. Refractories are used as lining materials for heat and mass containment in high-temperature processing equipment such as furnaces and kilns. Some typical examples are silica, alumina, chromium oxide, calcium oxide, silicon nitride...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005354
EISBN: 978-1-62708-187-0
... methods lend themselves to high-production runs and automation, while the air-setting (liquid-cured) nobakes do not lend themselves to high-production runs. This is due to the time required to thoroughly cure the mold or core. Compared to green sand molding, one basic advantage of no-bake binding...
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
..., or homopolymerize. Although responsive to catalysis with peroxide catalysts, a complete curing reaction could be obtained only with relatively high temperatures and rather long times. These resins also were completely unlike the low-viscosity liquid unsaturated polyester (UP) resins of today (2015), because...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006015
EISBN: 978-1-62708-172-6
... using this binder system are characterized by good outdoor durability with the advantage of high first-pass transfer efficiency, excellent storage stability, very smooth surface, and low-temperature cure applications. Disadvantages The major disadvantage of coatings using this binder system...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003695
EISBN: 978-1-62708-182-5
... P VG E Very low Isobutylene-isoprene (butyl) rubber IIR E E E E F F-G P VG G-E Very low Ethylene-propylene (-diene) rubber EPM, EPDM O E E G-E P-G P P-F P-G F-E Medium Silicone rubber VMQ E E E P-F P-G P-G F F G-VG High Fluoroelastomer FKM O O VG...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003403
EISBN: 978-1-62708-195-5
...-performance advanced composite molds and fixtures has evolved from company proprietary methods to more conventional industry standards. The advent of low-temperature curing prepregs for high-temperature service has changed the course of the advanced composite tooling industry. The ability to lay-up...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003489
EISBN: 978-1-62708-195-5
... properties Store at 18 °C (0 °F); short shelf life; high-temperature cure; brittle and low peel strength Acrylic Two-part liquid or pastes Room to 100 (212) 105 (221) Fast setting; easy to mix and use; good moisture resistance; tolerant of surface contamination Strong, objectionable odor; limited...