Soluble laminates

Details Soluble laminates Soluble laminates

1993-06-30

1995-08-15

Buffalow, Edith

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428500, 428520, 428 366, B32B 2708

Patent

active

054418054

ABSTRACT:
A water soluble laminate may be prepared comprising one or more relatively water insoluble layers of polymers such as polyvinyl alcohol or crosslinked polyvinyl alcohol and one or more relatively more water soluble layers such as linear uncrosslinked sulphonated vinylaromatic polymers.

REFERENCES:
patent: 3072618 (1963-01-01), Turbak
patent: 3205285 (1965-09-01), Turbak et al.
patent: 4261066 (1981-04-01), Belz
patent: 4469728 (1984-09-01), Belz
patent: 4671982 (1987-06-01), Belz
patent: 5009648 (1991-04-01), Arnoff et al.
patent: 5280079 (1994-01-01), Allen et al.

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