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  2. Butyl rubber - Wikipedia

    en.wikipedia.org/wiki/Butyl_rubber

    Butyl rubber gloves. Butyl rubber, sometimes just called "butyl", is a synthetic rubber, a copolymer of isobutylene with isoprene. The abbreviation IIR stands for isobutylene isoprene rubber. Polyisobutylene, also known as "PIB" or polyisobutene, (C 4 H 8) n, is the homopolymer of isobutylene, or 2-methyl-1-propene, on which butyl rubber is ...

  3. Robert M. Thomas - Wikipedia

    en.wikipedia.org/wiki/Robert_M._Thomas

    Robert McKee Thomas (1908 – July 23, 1984) was a co-inventor of butyl rubber, [1] [2] along with William J. Sparks. [3] Thomas held 75 patents, and directed the work of several notable polymer scientists including Francis P. Baldwin and Joseph Kennedy. [4]

  4. Synthetic rubber - Wikipedia

    en.wikipedia.org/wiki/Synthetic_rubber

    Examples include Viton rubber, EPDM and butyl rubber. A new class of synthetic rubber is the thermoplastic elastomers which can be moulded easily unlike conventional natural rubber vulcanized rubber. Their structure is stabilized by cross-linking by crystallites in the case of polyurethanes or by amorphous domains in the case of SBS block ...

  5. Elastomer - Wikipedia

    en.wikipedia.org/wiki/Elastomer

    Chloroprene rubber (CR), polychloroprene, neoprene; Butyl rubber (copolymer of isobutene and isoprene, IIR) Halogenated butyl rubbers (chloro butyl rubber: CIIR; bromo butyl rubber: BIIR) Styrene-butadiene rubber (copolymer of styrene and butadiene, SBR) Nitrile rubber (copolymer of butadiene and acrylonitrile, NBR), also called Buna N rubbers

  6. Isobutylene - Wikipedia

    en.wikipedia.org/wiki/Isobutylene

    Polymerization of isobutylene produces butyl rubber (polyisobutylene or PIB). Antioxidants such as butylated hydroxytoluene (BHT) and butylated hydroxyanisole (BHA) are produced by Friedel-Crafts alkylation of phenols with isobutylene. tert-Butylamine is produced commercially by amination of isobutylene using zeolite catalysts: [6]

  7. ExxonMobil CEO Darren Woods on what it takes to get to net zero

    www.aol.com/finance/exxonmobil-ceo-darren-woods...

    We started making butyl rubber. And so as the needs of society have evolved, so has our company. And they all come back to our ability to manage these molecules, these hydrogen carbon molecules ...

  8. Natural rubber - Wikipedia

    en.wikipedia.org/wiki/Natural_rubber

    The major commercial source of natural rubber latex is the Amazonian rubber tree (Hevea brasiliensis), [1] a member of the spurge family, Euphorbiaceae.Once native to Brazil, the species is now pan-tropical.

  9. Akron aims to bounce back, using its rubber and plastics ...

    www.aol.com/akron-aims-bounce-back-using...

    Not just rubber for tires, but for all the polymers and plastics that create so much of what we depend on today, from the toothbrush you pick up in the morning to the light switch you turn off at ...

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