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isophthalic resins

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Book Chapter

By Tim Pepper
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003363
EISBN: 978-1-62708-195-5
... Abstract This article provides an overview of the various types of unsaturated polyester resins and low-profile additives. The resins include general-purpose resins, isophthalic resins, bisphenol A fumarate resins, chlorendic resins, and vinyl ester resin. The article describes the mechanical...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003406
EISBN: 978-1-62708-195-5
... orthophthalics, typically are used where improved part surface cosmetics are required. This is due to their improved ambient-temperature curing behavior and their ability to be formulated for reduced shrinkage. Isophthalic and terephthalic resins generally are selected for use in more aggressive exposures...
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
...-molecular-weight polyesters typically are linear, thermoplastic polymers having 10,000 to 30,000 molecular weight. Generally, they are copolyesters containing terephthalic and/or isophthalic acid and aliphatic diacids and a blend of diols. In coatings, saturated polyester resins impart a high degree...
Image
Published: 01 November 1995
Fig. 50 Principal LCP structures and sources. BP, biphenol; EG, ethylene glycol; HBA, hydroxy benzoic acid; HNA, hydroxy napthoic acid; IA, isophthalic acid; TA, terephthalic acid. (a) Produced by Hoechst Celanese Corporation and Polyplastics, Inc. as Vectra A and C resins. (b) Produced More
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003036
EISBN: 978-1-62708-200-6
... are called thermoset polyesters to differentiate them from thermoplastic polyesters. Components of polyester resins Table 2 Components of polyester resins Anhydride (a) Diluent Use Orthophthalic Styrene General low cost Isophthalic Styrene Better mechanical Isophthalic Vinyl...
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
... Commercial Forms There are two types of diallyl phthalate resins used in the production of molding compounds: the ortho resin diallyl phthalate (DAP) and the meta resin diallyl isophthalate (DAIP). The ortho resin, the most commonly used, provides excellent electrical properties, while the meta resin...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006071
EISBN: 978-1-62708-172-6
... must be kept at low concentrations so that branching rather than crosslinking occurs. Some of the more common polybasic acids and anhydrides are shown in Fig. 6 . Fig. 6 Common polybasic acids and anhydrides used in alkyd resins. Source: Ref 1 Phthalic anhydride and isophthalic...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003351
EISBN: 978-1-62708-195-5
...) market. Polyesters offer a combination of low cost, versatility in many processes, and reasonably good property performance unmatched by any other resin type. The most common orthophthalic types and the premium isophthalic types, bisphenol A fumarate, chloendic, and vinyl ester, are discussed...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003845
EISBN: 978-1-62708-183-2
..., as indicated in Table 1 . Corrosion-resistant resins Table 1 Corrosion-resistant resins Family Types Polyester Isophthalic Terephthalic Bisphenol-A fumarate Chlorendic anhydride Epoxy Bisphenol-A Epoxy novolac Epoxy vinyl ester Bisphenol-A Epoxy novolac Furan...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006929
EISBN: 978-1-62708-395-9
... tests) Resin/curing agent or plastic Beginning water content, wt% Water loss, wt% EPON Resin 826(a)/diaminodiphenyl sulfone 2.28 −0.91 at 40 °C/min (70 °F/min) −2.02 at 10 °C/min (18 °F/min) PC 0.32 −0.2 at 40 °C/min (70 °F/min) −0.39 at 10 °C/min (18 °F/min) PSU 0.57 −0.25...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003038
EISBN: 978-1-62708-200-6
... these are high-temperature performance, corrosion resistance, dielectric properties, flammability, and thermal conductivity. Unsaturated Polyester Resins Unsaturated polyester resins are most commonly used in pultrusion. Orthophthalic, isophthalic, and terephthalic acids or anhydrides, in combination...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003019
EISBN: 978-1-62708-200-6
... applications because of their faster cure time and lower cost. Many SMC materials use a high-reactivity, isophthalic polyester resin (for example, E980) with magnesium oxide for thickening. Ground limestone is generally used if a filler is required. To form a sheet of SMC material, fibers and resin...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003013
EISBN: 978-1-62708-200-6
... (PET), which accounts for the largest percentage of plastic recycling, high-density polyethylene (HDPE) plastics, the other large-volume plastic recyclate, as well as vinyl resins and polycarbonate resins are described. The life cycle of plastics has four phases: poly formation, part fabrication...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003454
EISBN: 978-1-62708-195-5
... selection is another important factor in repair. Isophthalic laminating-grade polyester resins are generally acceptable in most marine repairs, although vinyl esters are recommended for hull repairs below the waterline to achieve superior adhesion, better durability, and higher mechanical properties...
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
... Abstract This article discusses the coating systems categorized by the generic type of binder or resin and grouped according to the curing or hardening mechanism inherent within that generic type. It focuses on the properties, advantages, and limitations of various autooxidative cross-linked...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003032
EISBN: 978-1-62708-200-6
... and Fiber-Resin Composites Thermoset polyesters are low-temperature resins generally produced from the reaction of an organic alcohol (glycol) with both a saturated (isophthalic) and an unsaturated (maleic or fumaric) organic acid ( Ref 1 , 8 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23...
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
... simply, it refers to a method of manufacture wherein a collection of reinforcements saturated with reactive resin is pulled through a heated die that imparts the final geometry to the composite profile. In virtually every case, the continuous reinforcing fiber choices are integral to the processibility...
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
...) with both a saturated (isophthalic) and an unsaturated (maleic or fumaric) organic acid. The polyester is then dissolved in a liquid reactive monomer such as styrene, and the solutions are sold as polyester resins. Some polyesters are supplied as pellets or granular solids, and some are premixed with glass...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001278
EISBN: 978-1-62708-170-2
..., trimethylolpropane, adipic acid, and isophthalic acid. The degree of branching of this polyester polyol is key to the performance of the resin in the coating. In this case the branching is defined as the number of moles of polyol or polyacid in 500 g of the polyhydric material, typically the polyester. The patent...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003453
EISBN: 978-1-62708-195-5
... fibers with an epoxy thermoset-resin matrix to bind them together. They can be classified into two systems: shop-manufactured and field-manufactured. Shop-Manufactured Composites Shop-manufactured composites are premanufactured in the form of plates, shells, or other shapes and are bonded...