Poly(dialkylaminoalkyl (meth)acrylamide)-based superabsorbent ge

Details Poly(dialkylaminoalkyl (meth)acrylamide)-based superabsorbent ge Poly(dialkylaminoalkyl (meth)acrylamide)-based superabsorbent ge

1997-11-19

1999-10-05

Merriam, Andrew E. C.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524501, 524555, 524556, 524922, 525217, 525218, 5253282, 5253595, C08F 3900, C08F 3300

Patent

active

059625783

ABSTRACT:
Poly(dialkylaminoalkyl (meth)acrylamide)-based superabsorbent gels are disclosed. The superabsorbent gels either comprise a mixture of a poly(dialkylaminoalkyl (meth) acrylamide) polymer and an acidic water-absorbing polymer, like polyacrylic acid, or comprise a salt of a poly(dialkylaminoalkyl (meth)acrylamide) polymer. An improved method of preparing an N-(dialkylaminoalkyl) (meth)acrylamide monomer also is disclosed.

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Chang et al., "Water-soluble copolymers. 49. Effect of the distribution of the hydrophobic cationic monomer dimethyldodecyl(2-acrylamidoethyl)ammonium bromide on the solution behavior of associating acrylamide copolymers," Macromolecules, 26, pp. 6121-6126 (1993).

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