Fast crystallizing polyalkyleneterephthalate resin compositions

Details Fast crystallizing polyalkyleneterephthalate resin compositions Fast crystallizing polyalkyleneterephthalate resin compositions

1981-12-15

1982-12-21

Lieberman, Allan

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...

524315, 524318, 524366, 524424, 524449, 524442, 525408, 525437, 525165, 525166, 525425, 525444, C08K 512, C08K 506, C08K 1100, C08L 6702

Patent

active

043650368

ABSTRACT:
The fast crystallizing polyalkyleneterephthalate resin compositions disclosed herein contain 0.025-2 percent by weight of NaI in the form of a selected complex of sodium iodide (NaI) and an organic compound, such as a polymeric compound, which contains at least two recurring units of the formula --CH.sub.2 CH.sub.2 O-- together with reinforcing agents, fillers and/or additives and optionally a flow promoter selected from low molecular weight organic esters or block copolymers containing a recurring structure of [(CH.sub.2).sub.x O--].sub.m wherein x is an integer of no more than 5 and m is an integer ranging from 2, preferably from 200 to about 5,000. The amount of complex is such as to give 0.025-2 percent, preferably 1-2 percent by weight of NaI based on the weight of polyalkyleneterephthalate.

REFERENCES:
patent: 3458462 (1969-07-01), Hostetler
patent: 3624041 (1971-11-01), Brandrup
patent: 3761450 (1973-09-01), Herwig
patent: 4071504 (1978-01-01), Korver
patent: 4322335 (1982-03-01), Nield
patent: 4327207 (1982-04-01), Lazarus

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