Polymeric web compositions having improved alkaline solubility

Details Polymeric web compositions having improved alkaline solubility Polymeric web compositions having improved alkaline solubility

1993-02-17

1994-09-13

Cannon, James C.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525166, 525167, C08L 3102, C08L 3302, C08L 5302, C08L 7712

Patent

active

053469550

ABSTRACT:
The properties of (meth)acrylic ester/(meth)acrylic acid copolymer webs, such as films and nonwovens, are improved by blending the ester/acid copolymer with a modified polyolefin, such as an ethylene/(meth)acrylic acid copolymer and/or a styrene/butadiene block copolymer, and a polyether block amide copolymer. The copolymer blend provides a polymeric material which is useful for making personal care products such as diapers and feminine pads in that it can be made water-soluble in alkaline solutions while exhibiting other properties which are necessary for adequate product performance. Such materials are also useful for packaging products, such as film for plastic bags and the like.

REFERENCES:
patent: 4238582 (1980-12-01), Deleens et al.
patent: 4331786 (1982-05-01), Foy et al.
patent: 4870148 (1989-09-01), Beiz
patent: 5063272 (1991-11-01), Sasse
patent: 5217795 (1993-06-01), Sasse et al.
patent: 5231146 (1993-07-01), Brown et al.
patent: 5253871 (1993-10-01), Viollaz

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