Use of a polyfunctional surface-active comonomer and other agent

Details Use of a polyfunctional surface-active comonomer and other agent Use of a polyfunctional surface-active comonomer and other agent

1979-02-09

1981-02-17

Silverberg, Sam

Coating processes

Medical or dental purpose product; parts; subcombinations;...

Particulate or unit-dosage-article base

4274071, 4274072, 428418, 428539, 428441, 525531, 428500, 428420, 428416, 428415, 433226, 156330, A10N 102

Patent

active

042515653

ABSTRACT:
A family of polyfunctional surface-active comonomers which act to improve the adhesion between a resin or composite material and solid surfaces capable of binding polyvalent cations is described. These polyfunctional surface-active comonomers, or "PolySACs", are preferably the reaction product of an epoxy acrylate or methacrylate and an aminobenzoate. The adhesion of the resin or composite material to certain solid surfaces is also improved by the preparatory treatment of these surfaces with a monobasic acid of intermediate strength followed by treatment with a mordant.
In its most preferred form the invention is employed in reconstructive dental work to improve the adhesion between a resin or composite material and dentin. The dentin is cleansed with isotonic formic acid, treated with an isotonic ferric chloride mordant and then treated with a PolySAC which is the reaction product of an oligomeric diglycidyl ether, acrylic acid and lithium ortho-aminobenzoate. The resin or composite material is then applied.

REFERENCES:
patent: 3507041 (1970-04-01), Walraven
patent: 3766132 (1973-10-01), Lee
patent: 3774305 (1973-11-01), Stoffey
patent: 3785832 (1974-01-01), Bowen
patent: 3815239 (1974-06-01), Lee
patent: 4097994 (1978-07-01), Reaville
J. Biomedical Mat. Res., vol. 9, pp. 501-509, 1975, Bowen.

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