Crosslinkable powder composition which is redispersible in water

Details Crosslinkable powder composition which is redispersible in water Crosslinkable powder composition which is redispersible in water

1998-07-30

2000-05-16

Michl, Paul R.

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

Synthetic resins

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

524503, C08G 6348

Patent

active

060638656

ABSTRACT:
A crosslinkable powder composition is provided which is redispersible in water and comprises
a) from 30 to 95 parts by weight of one or more water-insoluble, film-forming polymers of free-radically polymerizable, ethylenically unsaturated monomers, where from 0.5 to 10% by weight of the monomers, based on the total weight of the polymer a), are ones having one or more substituents selected from the group consisting of aldehyde, keto, epoxide, isocyanate, carboxylic anhydride and aziridine groups,
b) from 5 to 70 parts by weight of one or more water-soluble, film-forming polymers, where the parts by weight of a) and b) add up to 100 parts by weight, and
c) one or more compounds containing at least two functional groups which are present in salt form and are selected from the group consisting of amines, hydrazides, hydroxylamine esters, aryl- and alkylhydrazines or -hydrazones.

REFERENCES:
patent: 3409578 (1968-11-01), Hwa
patent: 4210565 (1980-07-01), Emmons
patent: 5608011 (1997-03-01), Eck et al.
patent: 5668216 (1997-09-01), Kinkel et al.
Derwent Abstract corr. to JP 52 069937 A AN 77-52863 Y.

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