Fast crystallizing polyalkyleneterephthalate resin compositions

Details Fast crystallizing polyalkyleneterephthalate resin compositions Fast crystallizing polyalkyleneterephthalate resin compositions

1982-09-20

1984-03-20

Bleutge, John C.

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, 524368, 524424, 524442, 524449, 524539, 525166, 525408, 525425, 525437, 525444, C08L 6702

Patent

active

044382332

ABSTRACT:
The fast crystallizing polyalkyleneterephthalate resin compositions disclosed herein contain 0.05-4 percent by weight of lithium bromide, chloride or iodide in the form of a selected complex of the lithium halide (LiX) 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 0.05 to 4 percent, preferably 0.1-2 percent by weight of LiX based on the weight of polyalkyleneterephthalate.

REFERENCES:
patent: 3458462 (1969-07-01), Hostetler
patent: 3761450 (1973-09-01), Herwig
patent: 4322335 (1982-03-01), Nield
patent: 4351758 (1982-09-01), Lu
patent: 4362839 (1982-12-01), Tonoki
patent: 4365036 (1982-12-01), Lee
Lee, C. C., Polymer, vol. 19, pp. 234-235, 1978.

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