Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1978-08-10
1980-04-08
Woodberry, Edward M.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
521 65, 521905, 521916, 260 17R, 260 174BB, 260 174ST, 260 174UC, B29D 2700, C08L 128, C08L 308
Patent
active
041973712
ABSTRACT:
This invention relates to an improvement in a sheet material comprising natural or synthetic rubber or a rubber-like polymer, which is capable of absorbing and transmitting water vapor and which contains a uniformly incorporated addition of polymer particles, the improvement that the addition comprises particles of at least one swellable modified polymer. The invention also relates to a process for the manufacture of the sheet material.
REFERENCES:
patent: 3137664 (1964-06-01), Shulman
Fischer Wilhelm
Holst Arno
Schermann Walter
Bryan James E.
Hoechst Aktiengesellschaft
Woodberry Edward M.
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