Method for production of hydrophilic polymer from hydrated gel p

Details Method for production of hydrophilic polymer from hydrated gel p Method for production of hydrophilic polymer from hydrated gel p

1988-04-29

1990-04-24

Schofer, Joseph L.

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

Synthetic resins

Treating polymer containing material or treating a solid...

528481, 528503, 526240, 5263077, 34 36, C08F 600

Patent

active

049202022

ABSTRACT:
A method for the production of a hydrophilic polymer having a small residual monomer content from a hydrated gel polymer, which method comprises drying said hydrated gel polymer by contact thereof with a gas containing at least steam and having a dew point in the range of 50.degree. to 100.degree. C. at a temperature in the range of 80.degree. C. to 250.degree. C., and a hydrophilic polymer obtained therefrom.

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patent: 4193903 (1980-03-01), Giddings et al.
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patent: 4365057 (1982-12-01), Saito et al.
patent: 4625001 (1986-11-01), Tsubakimoto et al.
patent: 4789713 (1988-12-01), Sanner et al.

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