Crosslinked polyolefinic foams with enhanced physical properties

Details Crosslinked polyolefinic foams with enhanced physical properties Crosslinked polyolefinic foams with enhanced physical properties

1999-06-14

2000-09-26

Foelak, Morton

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

521149, 521150, 521 81, B29C 4402

Patent

active

061243701

ABSTRACT:
Foamed articles having enhanced tensile, elastic recovery, and creep and fatigue resistance properties are prepared using a dual cure system. This system comprises a heat or radiation-activated first stage cure (which follows or coincides with foaming) followed by a moisture-activated second stage cure. Heat-activated curing systems include peroxide, sulfur, etc., and radiation-activated cure systems include electron beam, gamma-ray, etc. Moisture-activated systems include silane, sulfonyl chloride, and the like.

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Phillips, P.J., et al., Crosslinking of Homogeneous Polyethylenes,May 1-4, 1994, Society of Plastics Engineers Conference Proceedings. vol. II.

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