Dental resin materials

Details Dental resin materials Dental resin materials

1992-01-28

1994-01-04

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...

4332221, 4332281, 522 24, 522 75, 522 79, 522 81, 522 82, 522 83, 522 96, 522103, 522908, 523116, 526313, 526314, 528 75, C08F 250, C08F 440, C08F21800, C08F22020

Patent

active

052760685

ABSTRACT:
A polycarbonate dimethacrylate which is the condensation product of 2 parts of hydroxyalkylmethacrylate of the formula ##STR1## in which A is C.sub.1 -C.sub.6 alkylene, and 1 part of a bis(chloroformate) of the formula ##STR2## in which R is C.sub.2 -C.sub.5 alkylene having at least two carbon atoms in its principal chain and n is an integer from 1 to 4, is usable, admixed with a secondary monomer suitable for dental applications, such as BIS-GMA; PUDMA or the like, as an adhesive system for dental restorative materials. Particularly useful is the novel condensation product of 2-hydroxyethylmethacrylate and triethylene glycol bis(chloroformate).

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