Water vapor absorbing and transmitting sheet material of rubber

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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Details

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

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