Sheet-like structure of polyurethane, which is capable of absorb

Details Sheet-like structure of polyurethane, which is capable of absorb Sheet-like structure of polyurethane, which is capable of absorb

1977-12-22

1980-01-01

Woodberry, Edward M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

20415912, 20415914, 2041592, 2041601, 260 9, 260 13, 260 174GC, 428243, 428423, 428425, 428532, 428904, 428913, C08L 128, C08L 308

Patent

active

041816374

ABSTRACT:
This invention relates to a sheet-like structure of polyurethane, which is capable of absorbing water vapor and transmitting water vapor, with a uniformly incorporated additive composed of solid 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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