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condensation polyimides

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Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003365
EISBN: 978-1-62708-195-5
...General attributes of condensation (thermoplastic) and addition-type (cross- linked) polyimides Table 1 General attributes of condensation (thermoplastic) and addition-type (cross- linked) polyimides Polyimide type Advantages Disadvantages Condensation (thermoplastic...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003476
EISBN: 978-1-62708-195-5
... in aerospace, electronic, and other applications that demand outstanding elevated-temperature physical and mechanical properties. This article discusses the general characteristics of condensation-type polyimides and polymerization of monomer reactants (PMR) polyimides. It provides information...
Book Chapter

Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003360
EISBN: 978-1-62708-195-5
...., Van Nostrand Reinhold , 1982 p 57 – 88 7. Bruins P.F. , Epoxy Resin Technology , Wiley- Interscience , 1968 8. Mittal K.L. , Ed., Polyimides , Vol 1 , Plenum , 1984 9. Knop A. and Pilato L.A. , Phenolic Resins , Springer-Verlag , 1985 10...
Book Chapter

Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003364
EISBN: 978-1-62708-195-5
...-15, an industry standard condensation polyimide, has higher temperature capability and is usually selected for applications at 230 °C (450 °F) and above. However, PMR-15 has processing disadvantages. It cures by a condensation reaction, and volatiles are formed. The bagging, tooling, and cure cycle...
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
... the general and family characteristics of thermosetting resin families, including allyls, aminos (urea formaldehyde and melamine formaldehyde), cyanates, epoxies, polybenzimidazoles, unsaturated polyesters, thermoset polyimides, phenolics, and vinyl esters. It also explains processing methods, including...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003033
EISBN: 978-1-62708-200-6
... polyethylene fiber (Spectra) produced by AlliedSignal Corporation. Para-Aramid Fiber The chemical composition of Kevlar aramid fiber is poly para-phenyleneterephthalamide. This fiber is known as PPD-T because it is made from the condensation reaction of para-phenylene diamine and terephthaloyl chloride...
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
... properties suit the application. Key property tests are listed in Table 4 . There are a limited number of polyimide resins available for use as composite matrices. These systems cure by means of a condensation reaction with evolution of a high level of volatiles. The two types of polyimide resins most...
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
... in the physical properties of a thermosetting resin brought about by a chemical reaction, condensation, ring closure, or addition. This article discusses the material types and functions of various components considered in the preparation for curing. It presents a discussion on the major elements of an autoclave...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003432
EISBN: 978-1-62708-195-5
...-staged resin on impregnated fabric, and cured resin in a composite laminate. Polymers with chemically different functions are used to categorize resin families. Early industrial polymers were resole type phenolics and polyesters based on styrene condensation. Epoxy and bismaleimide-based polymers...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003031
EISBN: 978-1-62708-200-6
... are now being evaluated by many aerospace users. Polyimide resins are available with maximum hot/wet in-service temperatures of 260 to 320 °C (500 to 600 °F). Unlike the previously mentioned resins, these cure by a condensation reaction that releases volatiles during cure. This poses a problem because...
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
... Houseware, food storage, dunnage (b) (i) (o) (p) Fluoroplastics Corrosion/solvent-resistant parts (b) (c) (f) (i) (g) (k)) (l) (n) (o) (q) Polyimide Aerospace items, electrical insulators (b) (c) (h) (i) (j) (k) (l) (n) (o) (q) Ionomer Bumper rub...
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
...Sealant chemistries Table 1 Sealant chemistries Chemical family and curing type Strengths Weaknesses Silicones, one component (moisture-initiated condensation) and two components (condensation or addition) Best weathering, highest flexibility, good adhesion, heat resistance High...
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
... proportioning and mixing Some have poor peel strength Some are difficult to remove and repair Some require heat to cure Some yield byproducts upon cure (condensation polymers) Thermoplastics have limited elevated-temperature resistance Poor creep resistance Little penetration due...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002464
EISBN: 978-1-62708-194-8
... … Polyamide-imide (PAI) 152 275 … Polyimide (PI) 72–118 310–365 … Polysulfone (PSU or PSF) 70 195 … Polyarylether sulfone (PAS) 70 220 … Polyether sulfone (PES) 90 230 … Polyphenylene sulfide (PPS) 70 85 288 Polyetherketone (PEK) 110 155 365...
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.a0003350
EISBN: 978-1-62708-195-5
... Aerospace Industrial, Recreational, and Infrastructure Summary Polyester and Vinyl Ester Resins Other Resins Epoxy Resins Bismaleimide Resins Polyimide Resins Other Thermosetting Resins Thermoplastic Resins Unlike their organic counterparts, the metal alloy matrix in MMCs...
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
... 3 Abstract Abstract Cyanate ester resins are a family of high-temperature thermosetting resins that bridge the gap in thermal performance between engineering epoxy and high-temperature polyimides. This article discusses the chemistry, properties and characteristics of the cyanate ester...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001286
EISBN: 978-1-62708-170-2
...Abstract Abstract This article describes eight stages of the atomistic film growth: vaporization of the material, transport of the material to the substrate, condensation and nucleation of the atoms, nuclei growth, interface formation, film growth, changes in structure during the deposition...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003009
EISBN: 978-1-62708-200-6
..., polyether 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...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003023
EISBN: 978-1-62708-200-6
...–0.144 25–60 Polyester resins 50–205 120–400 120–150 250–300 0.17–0.22 0.10–0.13 55–100 Polyimide resins 305–360 580–680 260–315 500–600 0.10–0.34 0.058–0.20 25–80 Polyurethane (cast) 50–205 120–400 90–120 190–250 0.17–0.21 0.10–0.12 70–100 Silicone resins … … 260...