UV curable high tensile strength resin composition

Details UV curable high tensile strength resin composition UV curable high tensile strength resin composition

1985-02-07

1986-10-21

Bleutge, John C.

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

Synthetic resins

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

522 93, 522 44, 523527, 525 21, 525 28, C08L 6702

Patent

active

046186328

ABSTRACT:
Disclosed is a resin composition which comprises a mixture of a polyester, an acrylate urethane, in about stoichiometric proportion with the polyester up to about 10% excess polyester over stoichiometric, and a liquid acrylate reactive diluent sufficient to give the resin composition the viscosity of less than 5,000 centipoise. The polyester resin is the reaction product of a polyhydroxy compound having at least three hydroxyl groups, and an aromatic compound that is at least difunctional in acid, anhydride, or ester groups, where the proportion of the polyhydroxy compound to the aromatic compound is such that the polyester has about 150 to about 250 mole % excess hydroxyl groups. The acrylate urethane compound is the reaction product of a hydroxy acrylate and an isocyanate having at least two isocyanate groups, where the hydroxy acrylate and a hydroxy acrylate having a single hydroxyl group are equimolar (when a diisocyanate is used) with the isocyanate .+-.10 mole %. Also disclosed is a method of making the resin composition.

REFERENCES:
patent: 3780133 (1973-12-01), Kolyer
patent: 3891523 (1975-06-01), Hisamatsu
patent: 3933728 (1976-01-01), Henbest
patent: 4317858 (1982-03-01), Sattler
patent: 4357219 (1982-11-01), Sattler
patent: 4481258 (1984-11-01), Sattler

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