Pressure-sensitive adhesive polymers

Details Pressure-sensitive adhesive polymers Pressure-sensitive adhesive polymers

1997-07-30

1999-06-01

Lipman, Bernard

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526286, 526287, 526302, 5263171, C08F 2010

Patent

active

059089083

ABSTRACT:
This pressure-sensitive adhesive polymer is obtained by emulsion polymerization of the mixture of the following monomers, for a total of 100% by weight: (A) 40 to 95% by weight of at least one (meth)acrylic or vinyl monomer capable of resulting in a homopolymer which has a glass transition temperature lower than or equal to -40.degree. C.; (B) 2 to 50% by weight of at least one (meth)acrylic or vinyl monomer capable of resulting in a homopolymer which has a glass transition temperature higher than or equal to 0.degree. C.; (C) 0.5 to 6% by weight of at least one carboxylic (meth)acrylic monomer; (D) 0 to 5% by weight of at least one (meth)acrylic monomer ethoxylated with 1 to 20 moles of ethylene oxide; (E) 0.05 to 1% by weight of at least one (meth)acrylic or vinyl monomer containing a ureido group; and (F) 0 to 2% by weight of at least one acrylic or vinyl monomer carrying a sulphonate functional group, the said polymer having a glass transition temperature lower than or equal to -25.degree. C.

REFERENCES:
patent: 5070164 (1991-12-01), Min et al.
patent: 5202375 (1993-04-01), Biale
patent: 5536787 (1996-07-01), Scholz et al.

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