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Polybutadiene

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Published: 01 December 2003
Fig. 11 Degree of polymerization of polybutadiene rubber at 25 °C (77 °F) More
Image
Published: 01 December 2003
Fig. 18 The Fourier transform infrared spectroscopy spectrum obtained on the included particle, characteristic of polybutadiene More
Image
Published: 30 April 2021
Fig. 11.25 Two-body abrasion test results of four rubbers using ASTM International G174. PUR, polyurethane; CR, chloroprene rubber; SBR, styrene-butadiene rubber; CBR, cis polybutadiene rubber More
Image
Published: 01 December 2003
Fig. 12 Fatigue crack propagation behavior for a rubber-toughened epoxy. The addition of rubber decreases the slope, m , at high crack growth rates due to toughening mechanisms and retarded crack growth. CTBN, carboxylterminated polybutadiene acrylonitrile rubber; MBS, methacrylate-butadiene More
Image
Published: 30 April 2021
Fig. 11.26 Breakaway coefficient of friction (COF) of five rubbers sliding on three different counterfaces using the ASTM International D1894 test procedure. PTFE, polytetrafluoroethylene; CBR, cis polybutadiene rubber; CR, chloroprene rubber; EPDM, ethylene propylene diene monomer rubber; SBR More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ems.t53730099
EISBN: 978-1-62708-283-9
.... The radicals, R, are listed in Table 9.2 . Fig. 9.2 Basic structure of rubbers. The filled circles are hydrogen atoms and R stands for a radical. Source: Ref 9.1 Several rubbers Table 9.2 Several rubbers R Rubber H Polybutadiene (buta-rubber) Cl Polychloroprene CH 3...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780359
EISBN: 978-1-62708-281-5
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.tt2.t51060273
EISBN: 978-1-62708-355-3
... . . . . . . Polybutadienes 8.3 1.2 2.8 0.4 Polystyrene, 30% glass reinforced 8.3 1.2 . . . . . . Polyphenylene sulfide, 40% glass reinforced 7.7 1.12 . . . . . . Fluorocarbon, ETFE and ECTFE; glass reinforced 7.6 1.1 . . . . . . Melamines, cellulose electrical 7.6 1.1 6.9 1.0 Cedar...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300301
EISBN: 978-1-62708-323-2
... G174. PUR, polyurethane; CR, chloroprene rubber; SBR, styrene-butadiene rubber; CBR, cis polybutadiene rubber Regular automotive tires that are mostly made from SBR rubber do have additives to promote greater wear life, but they are proprietary. While there are wear ratings on tires, each...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780028
EISBN: 978-1-62708-281-5
... 56–65 Polybutadiene:  1,4-cis 21 (a) –102 …  1,4-trans 14 (a) –107 …  1,2-isotactic 10 (a) –15 …  1,2-syndiotactic 11 (a) –15 90 Poly-(4-methyl-1-pentene) (TPX) 28 55 245 Atactic-polystyrene (PS or a-PS) 50 100 … Syndiotactic-polystyrene (s-PS) 41 100...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780329
EISBN: 978-1-62708-281-5
... formation The balance between chain scission and cross linking depends on the nature of the polymer. Polymers such as polybutadienes, polyacrylates, and polystyrenes tend to form cross links on degradation, while polymers such as polymethacrylates tend to degrade by chain scission. Oxidative-induced...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780105
EISBN: 978-1-62708-281-5
..., which are dramatically less sensitive (η = k ( MW ) 0.6 , as shown in Fig. 12 . Fig. 11 Degree of polymerization of polybutadiene rubber at 25 °C (77 °F) Fig. 12 Sensitivity of solution versus melt rheometry to molecular weight A second example of the unique contribution...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780238
EISBN: 978-1-62708-281-5
... to toughening mechanisms and retarded crack growth. CTBN, carboxylterminated polybutadiene acrylonitrile rubber; MBS, methacrylate-butadiene-styrene Blending rubber-toughened polymers with a small amount of inorganic filler can also improve fatigue crack propagation resistance. Researchers ( Ref 23...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780164
EISBN: 978-1-62708-281-5
...; probably degraded by molecular polarity of acrylonitrile constituent IIR Butyl Isobutylene-isoprene Electrical properties generally good but not outstanding in any area IIR Chlorobutyl Chloroisobutylene-isoprene Same general properties as butyl BR Cis-4 Polybutadiene Used principally...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780003
EISBN: 978-1-62708-281-5
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780383
EISBN: 978-1-62708-281-5
... that is 6 to 7 eV lower in kinetic energy than the main carbon peak appears in the spectrum of polymers with unsaturation (for example, polystyrene and polybutadiene). This so-called shake-up satellite can be useful in distinguishing among the polymers that, although comprising only carbon and hydrogen...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550325
EISBN: 978-1-62708-307-2
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910237
EISBN: 978-1-62708-250-1
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780115
EISBN: 978-1-62708-281-5
... −10 15 176 350 Polyisobutylene −70, −60 −95, −75 128 260 Polyisoprene     Cis: natural rubber −73 −100 28 80     Trans: gutta percha … … … … Polymethylpentene (poly-4-methyl-1-pentene) 29 85 250 480 Polybutadiene (poly-1,2-butadiene, butadiene rubber...