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...
Patent
1983-02-23
1984-05-29
Griffin, Ronald W.
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...
260DIG35, 524449, 524451, 524539, 524604, 524605, 525444, 528275, 528279, 528285, 528295, C08G 6370, C08G 6376
Patent
active
044516061
ABSTRACT:
Novel nucleating agents have been discovered which are effective in polyesters, especially poly(ethylene terephthalate). The novel nucleating agents are copolymers derived from a poly(alkylene terephthalate) and a sulfonate salt.
Also provided by this invention are a process for nucleating polyesters, particularly poly(alkylene terephthalates), especially poly(ethylene terephthalate) and the compositions so produced.
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General Electric Company
Griffin Ronald W.
Mufatti William F.
Welch II Edward K.
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