发明授权
US5397827A Thermoplastic polyester compositions and films formed using same 失效
热塑性聚酯组合物和使用其形成的薄膜

Thermoplastic polyester compositions and films formed using same
摘要:
The thermoplastic polyester compositions of the present invention are characterized by containing special colloidal silica particles having a straight-chain or branched shape, so when formed into film, particularly film for magnetic tape, there are attained superior abrasion resistance, scratch resistance and sliding property.
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