Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Compositions to be polymerized by wave energy wherein said...
Patent
1992-02-11
1994-08-16
Berman, Susan
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Compositions to be polymerized by wave energy wherein said...
522100, 522102, 522109, 522111, 522121, 522123, 522142, 522908, 523109, C08F 250, C08L 302
Patent
active
053387694
ABSTRACT:
A photo-curable resin composition containing a polycarbonate having a number average molecular weight of between 200 and 10,000 and containing at least two (meth)acrylate groups in the molecule, or a diglycidyl phthalate (meth)acrylate, an organic polymer fine powder having an average particle diameter of between 1 .mu.m and 50 .mu.m and a photo-radical polymerization initiator; and a coating liquid to be applied to a resin pattern. This resin composition is useful for preparing a clasp pattern exhibiting a theoretical form for retention, durability, etc., i.e., a cast clasp basic pattern, for producing, by a lost wax method, a cast clasp which is a metal component for holding a partial denture, retaining it and supporting it.
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Hawley, Condensed Chemical Dictionary, 10 Edition, p. 118.
Berman Susan
Mitsui Petrochemical Industries Ltd.
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