Modification of (CO)polymers with unsaturated peroxyacids

Details Modification of (CO)polymers with unsaturated peroxyacids Modification of (CO)polymers with unsaturated peroxyacids

1993-10-28

1995-09-05

Lipman, Bernard

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...

524536, C08F 600

Patent

active

054479851

ABSTRACT:
A process for the modification of a (co)polymer selected from C.sub.3 -C.sub.10 .alpha.-olefin polymers, ethylene polymers, diene polymers and copolymers of C.sub.3 -C.sub.10 .alpha.-olefins with ethylene and/or diene, to make the (co)polymer more suitable for reinforcement with polymer reinforcing material is disclosed. In the process, the (co)polymer is contacted with an acid group-containing unsaturated peroxide to modify the (co)polymer. The modification process results in improved properties such as adhesion to PUR lacquer and improved mechanical properties.
Also disclosed are a modification process carried out in the presence of an unsaturated coagent as well as the use of acid group-containing unsaturated peroxides for the modification of (co)polymers. Finally, the process may be carried out in a single processing step or in two or more successive processing steps.

REFERENCES:
"The Effects of Glass Fiber Size and Coupling Additives on the Properties of Glass Fiber Reinforced Polypropylene," PPG Silenka Information, pp. 7-12 (Oct. 1990).
"Degradation of Polyolefins During Melt Processing," Hinsken et al.; Polymer Degradation and Stability, 34, pp. 279-293 (1991).
Rubber Chemistry and Technology, vol. 61, pp. 242-253 W. Hofman, "Progress in Rubber and Plastics Technology," vol. 1, No. 2, Mar. 1985, pp. 18-50.

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