High-strength synthetic resin foam and process of fabrication th

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...

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264 455, 521142, 521149, 521155, 521182, 521183, C08J 934

Patent

active

057836108

ABSTRACT:
A structure of synthetic resin foam has a core layer of thermoplastic resin foam and skin layers of non-foamed thermoplastic resin merged with the core layer, and the skin layers gives rise to increase the mechanical strength of the structure.

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patent: 5334356 (1994-08-01), Baldwin et al.
patent: 5530032 (1996-06-01), Wayand et al.
patent: 5536458 (1996-07-01), Kawakita et al.

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