Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1997-11-10
1999-03-23
Hampton-Hightower, P.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525 92A, 525166, 525167, 525434, C08G 6391, C08L 7700
Patent
active
058860983
ABSTRACT:
A polyetheresteramide having good heat resistance, permanent antistatic property and superior compatibility with thermoplastic resins and a resin composition containing the polyetheresteramide are disclosed, wherein the polyetherester-amide consists essentially of a polyamide oligomer with carboxylic chain ends having a number average molecular weight between 200 and 5,000 and a bisphenol compound with oxyalkylene units having a number average molecular weight between 300 and 3,000. Antistatic resin compositions with good antistatic property and heat resistance are obtained from compositions comprising 3 to 40% by weight of the polyetheresteramide and 60 to 97% by weight of thermoplastic resins. The antistatic resin compositions can contain as compatibilizers vinyl polymers having functional groups such as carboxyl and epoxy groups or block polymers containing polyolefin blocks and aromatic vinyl polymer blocks. To further improve the antistatic property of the resin composition a composition comprising at least 97% by weight of the polyetheresteramide and at least 0.01% by weight of an alkali metal or alkaline earth metal halide can be used in the same way as the polyetheresteramide.
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Ichihara Eiji
Kokubu Tokiko
Okamoto Toshiaki
Senda Eiichi
Takai Yoshitsugu
Hampton-Hightower P.
Sanyo Chemical Industries Ltd.
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