C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/5706
C08L 67/02 (2006.01)
Patent
CA 1052491
ABSTRACT OF THE DISCLOSURE A stabilized polyalkylene terephthalate resin compo- sition is disclosed. The polyalkylene terephthalate resin composition comprises a polyalkylene terephthalate resin selected from the group consisting of polypropylene tere- phthalate and polybutylene terephthalate, 2 to 60 percent of the total composition of a reinforcing filler and up to below 1 percent by weight of the total composition of a polyamide, preferably polycaprolactam. Articles molded from the composition of the invention are characterized by improved heat stability compared to the molded articles of the prior art produced from filled polyalkylene terephthalate resin compositions, That is, molded articles produced from the composition of this invention retain a higher degree of tensile strength than do compositions produced from poly- alkylene terephthalate resin compositions of the prior art after long term exposure to high temperatures. - 1 -
226530
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