Plastic moldings made of water-expanded polymer resin

Details Plastic moldings made of water-expanded polymer resin Plastic moldings made of water-expanded polymer resin

1992-02-12

1993-10-19

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 72, 521 82, 521 99, 521122, 521123, 5211091, 521117, 521130, 521121, 521149, 523440, 523443, 524560, 524561, 524801, 524832, 524833, C08G 1814

Patent

active

052545997

ABSTRACT:
To arrive at an economical method of producing water-expanded polymer resin moldings, it is proposed that a monomer component and a cross-linker on an acrylate basis and/or a PMMA prepolymer be used as resin-forming components of a curable mixture, with the weight ratio of the water component to the resin-forming component being at least 1:1.

REFERENCES:
Kurt Frisch and James H. Saunders, Plastic Foams, pp. 538, 708, 710-712, 749, 779, 780, New York 1973.
Calvin J. Benning, Plastic Foams: the physics and chemistry of product performance and process technology, pp. 560-564, 1973.

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