Sheet-like structure of polyvinyl chloride, which is capable of

Details Sheet-like structure of polyvinyl chloride, which is capable of Sheet-like structure of polyvinyl chloride, which is capable of

1977-12-22

1979-12-11

Woodberry, Edward M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

20415912, 20415914, 2041601, 2041592, 260 17A, 260 174R, 260 174CL, 260 174GC, 260 174ST, 260 174UC, 428532, 428904, 428913, C08L 128, C08L 308

Patent

active

041782712

ABSTRACT:
This invention relates to a sheet-like structure of polyvinyl chloride or a copolymer of vinyl chloride, which is capable of absorbing water vapor and transmitting water vapor, with a uniformly incorporated additive composed of polymeric particles of at least one swellable, modified polymer. The invention also relates to a process for manufacturing the sheet-like structure.

REFERENCES:
patent: 3137664 (1964-06-01), Shulman et al.
patent: 3488302 (1970-06-01), Pyron
patent: 3992495 (1976-11-01), Sano et al.

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