Ultraviolet-hardenable adhesive

Details Ultraviolet-hardenable adhesive Ultraviolet-hardenable adhesive

1990-08-09

1992-03-17

McCamish, Marion E.

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

Synthetic resins

Compositions to be polymerized by wave energy wherein said...

526279, C08F 3008, C08F 250

Patent

active

050969374

ABSTRACT:
An ultraviolet-hardenable adhesive for bonding a waterswellable, ophthalmic-lens blank to a support member, the adhesive containing at least one photo-hardenable silicone oil, and at least one photoinitiator, the at least one silicone oil being selected from polysiloxanes represented by the following general formula: ##STR1## wherein each of R.sub.1 to R.sub.3 is methyl or ethyl; n.sub.1, n.sub.2 and n.sub.3 are positive integers which satisfy the specified three formulas;

REFERENCES:
patent: 4697026 (1987-09-01), Lee et al.
patent: 4972005 (1990-11-01), Aoki et al.

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