Resinous composition for dental use

Details Resinous composition for dental use Resinous composition for dental use

1998-03-31

2000-10-17

Merriam, Andrew E. C.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523115, 523116, 523120, 524533, 525902, C08L 5100

Patent

active

061333433

ABSTRACT:
A cured product of a resinous composition for dental use is neither stained nor discolored while used in the mouth for long periods of time. In addition, the cured product of the composition is not discolored with hot water, and its impact strength is high. The composition is easy to handle, and its storage stability is good. The composition comprises (a) an impact-resistant resinous complex composed of a (meth)acrylic polymer and core-shell structured polymer particles having at least one hard polymer layer, at least one soft polymer layer and an outermost hard polymer layer, wherein the impact-resistant resinous complex contains ionic components in an amount not larger than 0.05% by weight of the resinous composition, (b) (meth)acrylate monomer, and (c) a polymerization initiator.

REFERENCES:
patent: 3427274 (1969-02-01), Cornell
patent: 4564653 (1986-01-01), Kamata et al.
patent: 5182332 (1993-01-01), Yamamoto et al.
patent: 5210109 (1993-05-01), Tateosian et al.

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