Hydroxylamine modified lower acrylate ester latices

Details Hydroxylamine modified lower acrylate ester latices Hydroxylamine modified lower acrylate ester latices

1993-10-07

1995-04-11

Szekely, Peter A.

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

Synthetic resins

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

525374, 525377, C08F 830

Patent

active

054058988

ABSTRACT:
The acrylate ester groups of lower acrylate ester latex polymers are converted to hydroxamic groups by the expediency of pH adjustment and using salt free hydroxylamine. Lower reaction temperatures are used. A high HLB surfactant is also used to help further stabilize the particles. The finished modified acrylate ester latex polymers are considered to be new compositions having a use in a variety of industrial applications such as settling agents in the treatment Bayer process liquors.

REFERENCES:
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patent: 4767540 (1988-08-01), Spitzer et al.
patent: 4868248 (1989-09-01), Sparapany et al.
patent: 4902751 (1990-02-01), Lewellyn et al.
patent: 5128420 (1992-07-01), Domb et al.

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