Polymer mixtures and articles formed therefrom

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...


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524451, 524605, 524495, C08K 332, C08K 334, C08K 304, C08L 6702




The invention relates to polymer mixtures comprising a first polyalkylene phthalate, for example, polybutylene terephthalate, and a second polyalkylene phthalate and/or a thermoplastic elastomer and phosphorus compounds. It has been found that, with regard to the crystallisation behaviour, the addition of certain nucleating agents (namely talcum or carbon black) show a synergistic effect with certain phosporus compounds.

patent: 3953539 (1976-04-01), Kawase et al.
patent: 4351758 (1982-09-01), Lu et al.
patent: 4699942 (1987-10-01), Weaver et al.
patent: 5114998 (1992-05-01), Golder et al.
patent: 5252653 (1993-10-01), van Helmond
patent: 5367011 (1994-11-01), Walsh


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