Films easily soluble in cold water

Details Films easily soluble in cold water Films easily soluble in cold water

1990-12-21

1991-12-03

Lipman, Bernard

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524247, 524286, 524287, 524288, 524503, 525 56, 525 62, 526330, C08K 520

Patent

active

050701266

ABSTRACT:
A film easily soluble in cold water comprises a water-soluble copolymer composed of 6 to 40 mol % of an allyl ester moiety and 94 to 60 mol % of a vinyl ester moiety and having a degree of sponification of not less than 65 mol %. The film is easily soluble in cold water and such solubility in cold water is not lowered even if it comes into contact with either alkaline or acidic materials and it can suitably used as wrapping material for packages which are directly thrown into water together with packed materials.

REFERENCES:
patent: 2611754 (1952-09-01), Rudoff
patent: 2909502 (1959-10-01), Matsumoto et al.

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