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  2. Polybutylene terephthalate - Wikipedia

    en.wikipedia.org/wiki/Polybutylene_terephthalate

    PBT and PET are sensitive to hot water above 60 °C (140 °F). PBT and PET need UV protection if used outdoors, and most grades of these polyesters are flammable, although additives can be used to improve both UV and flammability properties. PBT is produced by the polymerization of 1,4-butanediol and terephthalic acid. [4] [5]

  3. Polybutylene - Wikipedia

    en.wikipedia.org/wiki/Polybutylene

    PB-1 is a high molecular weight, linear, isotactic, and semi-crystalline polymer. PB-1 combines typical characteristics of conventional polyolefins with certain properties of technical polymers.

  4. Chain transfer - Wikipedia

    en.wikipedia.org/wiki/Chain_transfer

    In polymer chemistry, chain transfer is a polymerization reaction by which the activity of a growing polymer chain is transferred to another molecule: [1] [2] + + where • is the active center, P is the initial polymer chain, X is the end group, and R is the substituent to which the active center is transferred.

  5. Reversible addition−fragmentation chain-transfer polymerization

    en.wikipedia.org/wiki/Reversible_addition%E2%88...

    RAFT polymerization today is mainly carried out by thiocarbonylthio chain transfer agents. It was first reported by Rizzardo et al. in 1998. [6] RAFT is one of the most versatile methods of controlled radical polymerization because it is tolerant of a very wide range of functionality in the monomer and solvent, including aqueous solutions. [7]

  6. Polybutylene adipate terephthalate - Wikipedia

    en.wikipedia.org/wiki/Polybutylene_adipate_tere...

    PBAT (short for polybutylene adipate terephthalate) is a biodegradable random copolymer, specifically a copolyester of adipic acid, 1,4-butanediol and terephthalic acid.PBAT is produced by many different manufacturers and may be known by the brand names ecoflex, Wango, Ecoworld, Eastar Bio, and Origo-Bi.

  7. Polymer blend - Wikipedia

    en.wikipedia.org/wiki/Polymer_blend

    The first technique of modification developed was the polymerization, in other words, the joint polymerization of more than one kind of polymer. A new polymers modification process, based on a simple mechanical mixture of two polymers first appeared when Thomas Hancock created a mixture of natural rubber with gutta-percha. This process ...

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  9. Polymerization - Wikipedia

    en.wikipedia.org/wiki/Polymerization

    In polymer chemistry, polymerization (American English), or polymerisation (British English), is a process of reacting monomer molecules together in a chemical reaction to form polymer chains or three-dimensional networks. [1] [2] [3] There are many forms of polymerization [4] and different systems exist to categorize them. IUPAC definition for ...