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
1984-08-20
1985-12-10
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, 524394, 524449, 524456, 524539, 524605, 525166, 525408, 525437, 525425, C08L 6702
Patent
active
045580855
ABSTRACT:
The fast crystallizing polyalkyleneterephthalate resin compositions disclosed herein contain 0.05-4 percent by weight of a sodium salt of a hydrocarbon acid having the formula R.degree.(COO).sub.y Na.sub.z wherein R.degree. is a hydrocarbon group having a valency of y and having 1-25 carbon atoms therein, preferably 1-10 carbon atoms, y is an integer having a value of at least one, advantageously 1-10 and preferably 1-3, and z is an integer having a value of at least one and no greater than the value of y, this sodium salt of the hydrocarbon acid being in the form of a complex with 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 polymers containing a recurring structure of [(CH.sub.2).sub.x O--].sub.m wherein x is an integer having a value of no more than 5 and m is an integer having a value 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 sodium carboxylate based on the weight of polyalkyleneterephthalate.
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Bleutge John C.
Monacelli Walter J.
Plastics Engineering Company
Short Patricia
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