Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1992-04-03
1993-10-05
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
526192, 526204, 5263297, C08F 444, C08F12018
Patent
active
052506410
ABSTRACT:
A method of curing dental resin according to this invention is characterized by adding a morpholine derivative to a conventional curing process, more particularly, the dental resin is cured by polymerizing (1) a polymerizable compound having at least one ethylenically unsaturated double bond in the presence of (2) a morpholine derivative, (3) 1-cyclohexyl-5-ethylpyrimidinetrione, (4) an organometal compound and (5) an organohalogen compound, in which the self-polymerizing dental resin is polymerized or cured more rapidly than is possible with the conventional process and without detriment to its transparency, color tone stability and physical properties.
REFERENCES:
patent: 4873269 (1989-10-01), Nakazato
patent: 4880887 (1989-11-01), Hasegawa
R. Epton, P. Goddard, G. Marr, J. V. McLaren and G. J. Morgan, Polymer 20, 1444-1446, 1979.
Hasegawa Akira
Kumagai Tomohiro
Cheng Wu C.
GC Dental Products Corp.
Schofer Joseph L.
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