Polyurethane hydrogels and process for their manufacture

Details Polyurethane hydrogels and process for their manufacture Polyurethane hydrogels and process for their manufacture

1985-05-23

1987-02-17

Yarbrough, Amelia B.

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...

525453, 525937, C08L 7508

Patent

active

046440330

ABSTRACT:
The hydrogels consist essentially of the polyurethane of polyoxyethylene. The crosslinking is carried out by a reaction of a polyfunctional isocyanate with the polyoxyethylene in solution in a non-aqueous solvent. Transparent hydrogels are obtained, having a high swelling ratio in the presence of water and good mechanical properties.

REFERENCES:
Derwent Abstract, accession No. 82-10626J/51, Japanese Pat. No. J57185602-A.
Chemical Abstract, Abstract No. 129143f, vol. No. 97, Gavrilyuk et al., Lakokras. Mater. Ikn Primen., 1982.

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