Polyurethane diacrylate compositions

Details Polyurethane diacrylate compositions Polyurethane diacrylate compositions

1980-11-12

1982-11-16

Cockeram, H. S.

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

Synthetic resins

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

521905, 525455, 528 75, 528904, C08G 1814, C08G 1830

Patent

active

043595588

ABSTRACT:
Polyurethane diacrylate compositions are obtained by reacting a diacrylate in the presence of from about 30 to about 95 weight percent of a hydrophilic polyurethane resin. The resulting products will form a hydrogel upon immersion in water and are permeable to gases, ions and other low molecular weight species. The hydrophilic polyurethane diacrylate compositions may be molded to form shaped products that are dimensionally stable after repeated exposure to boiling water and exhibit memory.

REFERENCES:
patent: 3297745 (1967-01-01), Fekete et al.
patent: 3931123 (1976-01-01), Vacik et al.
patent: 3975350 (1976-08-01), Hudgin et al.
patent: 4056496 (1977-11-01), Mancini et al.
patent: 4116786 (1978-09-01), Hodakowski
patent: 4117184 (1978-09-01), Erickson et al.
patent: 4250248 (1981-02-01), Faust

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