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Poly(butylene terephthalate)

Poly(butylene terephthalate) Structure
Poly(butylene terephthalate)
  • CAS No.26062-94-2
  • Chemical Name:Poly(butylene terephthalate)
  • CBNumber:CB0328216
  • Molecular Formula:C12H16O6
  • Formula Weight:256.25
  • MOL File:26062-94-2.mol
Poly(butylene terephthalate) Property
  • Melting point 226 °C
  • Density 1.31 g/mL at 25 °C(lit.)
  • storage temp. -70°C
  • form pellets
  • biological source human
  • Specific Activity 6-8nmol/min·mg
  • InChI InChI=1S/C8H6O4.C4H10O2/c9-7(10)5-1-2-6(4-3-5)8(11)12;5-3-1-2-4-6/h1-4H,(H,9,10)(H,11,12);5-6H,1-4H2
  • InChIKey PCVVBHUFWPHCAL-UHFFFAOYSA-N
  • SMILES C(C1C=CC(C(=O)O)=CC=1)(=O)O.C(CO)CCO
  • CAS DataBase Reference 26062-94-2
  • Indirect Additives used in Food Contact Substances POLY(TETRAMETHYLENE TEREPHTHALATE)
  • EPA Substance Registry System Terephthalic acid 1,4-butanediol polymer (26062-94-2)
  • UNSPSC Code 23201100
  • NACRES NA.32
Safety
Hazard and Precautionary Statements (GHS)
  • Symbol(GHS)
  • Signal word
  • Hazard statements
  • Precautionary statements

Poly(butylene terephthalate) Chemical Properties,Usage,Production

  • Description Polybutylene terphthalate (PBT; Poly(butylene terephthalate)) is a semicrystalline thermoplastic polyester considered as a medium performance engineering polymer. It is produced industrially in a two-step batch or continuous process. The first step involves the transesterification of dimethyl terephthalate (DMT) with 1,4-butanediol (BDO) to produce hydrobutyl terephtlate (bis-HBT) at a temperature of 200°C. The second step consists to the polycondensation of bis-HBT at 250°C to yield PBT. It exhibits both excellent electrical properties and chemical resistance. When reinforced with glass fibers, it has improved stiffness and mechanical strength. Typical uses include connectors, capacitors and cable enclosures. PBT is also used in hot appliances such as iron and kettles.
  • Chemical Properties Poly(butylene terephthalate) is prepared in a condensation reaction between dimethyl terephthalate and 1,4-butanediol and its repeating unit has the general structure:
    Poly(butylene terephthalate) structure
    This thermoplastic shows good tensile strength, toughness, low water absorption, and good frictional properties, plus good chemical resistance and electrical properties.
Poly(butylene terephthalate) Preparation Products And Raw materials
Raw materials
Preparation Products
Poly(butylene terephthalate) Suppliers
Global(100)Suppliers
  • Supplier：
    Henan Fengda Chemical Co., Ltd
  • Tel：+86-371-86557731<br/>+86-13613820652
  • Email：info@fdachem.com
  • Country：China
  • ProdList：20235
  • Advantage：58
  • Supplier：
    Henan Tianfu Chemical Co.,Ltd.
  • Tel：+86-0371-55170693<br/>+86-19937530512
  • Email：info@tianfuchem.com
  • Country：China
  • ProdList：21628
  • Advantage：55
  • Supplier：
    career henan chemical co
  • Tel：+86-0371-86658258<br/>+8613203830695
  • Email：factory@coreychem.com
  • Country：China
  • ProdList：29808
  • Advantage：58
  • Supplier：
    ZHEJIANG JIUZHOU CHEM CO., LTD
  • Tel：+86-0576225566889<br/>+86-13454675544
  • Email：admin@jiuzhou-chem.com；jamie@jiuzhou-chem.com；alice@jiuzhou-chem.com
  • Country：China
  • ProdList：12272
  • Advantage：58
Poly(butylene terephthalate) Spectrum
26062-94-2, Poly(butylene terephthalate)Related Search:
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