Hydrogel fundamental material

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...

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524515, 525 10, 525 47, 525419, 528323, C08L 6706

Patent

active

046999469

ABSTRACT:
An optically transparent hydrogel forming material comprising a copolymer of an optically transparent polyester having a molecular weight of 1,000 to 100,000 and at least one of polymerizable group in its molecule and N-vinyllactam. The hydrogel forming material has an excellent optical property, high gas-permeability and excellent mechanical property.

REFERENCES:
patent: 4002700 (1977-01-01), Fukuzaki et al.
patent: 4205139 (1980-05-01), Barzynski et al.

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