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US4067855A Fiber and film forming polyester composition 失效
纤维和成膜聚酯组合物

Fiber and film forming polyester composition
摘要:
Polyester compositions suitable for fiber and film formation contain from 0.2 to 3.0% by weight of fine particles of uniform size and possess sufficient slippery tendency, appropriate opacity and crystallizing potential; said particles containing lithium and phosphorus as a lithium salt of a phosphoric acid ester constituent of short chain polyesters.
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