Polyethyleneterephthalate ternary blends

Details Polyethyleneterephthalate ternary blends Polyethyleneterephthalate ternary blends

1981-02-17

1982-10-05

Briggs, Sr., Wilbert J.

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...

524449, 525439, 525444, C08L 6702, C08K 340

Patent

active

043529070

ABSTRACT:
The compositions disclosed herein comprise blends of polyethyleneterephthalate (PET) having improved impact strength and heat resistance without any sacrifice of other properties such as flexural strength, humidity resistance, low mold shrinkage, etc. These compositions comprise ternary blends of 30-95 percent, preferably 35-95 percent by weight of PET, 1-30 percent, preferably 3-15 percent by weight of an aromatic polycarbonate (PC); and 1-12, preferably 2.5-10 percent of a copolyester of terephthalic acid with ethylene glycol and cyclohexane-1,4-dimethanol.

REFERENCES:
patent: 3651172 (1972-03-01), Barkey et al.
patent: 4113692 (1978-09-01), Wainbach

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