Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1996-03-28
1998-05-05
Szekely, Peter A.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524 13, 524 35, 524556, 525183, A61C 13087, C08L 102, C08L 3300, C08L 7710
Patent
active
057475539
ABSTRACT:
A fiber reinforced acrylic molding composition is provided which can be molded under low pressures and temperatures to provide thermoset articles. The molding composition can be prepared before use and is shelf stable. The molding composition contains liquid reactive components and a high molecular weight solid acrylic resin which is amorphous and thermoplastic and in the form of large particles. These features enable the solid acrylic resin to slowly absorb the liquid reactive component. The acrylic resin functions as a thickener which delays the viscosity build allowing fiber reinforcement to be incorporated before molding. The molding composition is well suited for use in dentistry and other fields where small amounts or molding composition are used occasionally.
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Reinforced Polymer Inc.
Szekely Peter A.
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