Patent · US Expired

Poly(alkylene ether)s as plasticizers and flow aids in poly (1,4-cyclohexanedimethylene terephthalate) resins

US5965648A · kind A · utility

11Cited by
17References
32Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 20, 1997
Grant dateOct 12, 1999
Priority date
Expiry dateFeb 20, 2017

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L67/02
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

This invention relates to a polyester composition comprising a blend of: PA1 (A) 99.5 to 75 weight % of a copolyester having an inherent viscosity of 0.1 to 1.2 dL/g and having a melting point in excess of 250.degree. C., comprising: PA2 (a) one or more dicarboxylic acids, and PA2 (b) a glycol component comprising at least 80 mole % 1,4-cyclohexanedimethanol; and PA1 (B) 0.5 to 25 weight % of one or more polyalkylene ethers, wherein the weight percentages of all components in said blend total 100 weight %.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.