Molded products for molding compositions containing thermalsetti

Details Molded products for molding compositions containing thermalsetti Molded products for molding compositions containing thermalsetti

1992-08-14

1994-11-15

Michl, Paul R.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524437, 525278, 526301, C08K 322, C08F22036, C08F22026

Patent

active

053649036

ABSTRACT:
Thermosetting (meth)acrylate molding liquid resin consisting of a specified type of unsaturated oligourethane and alkyl (meth)acrylate within a specified range of ratio. Such a specified type of unsaturated oligourethane may be obtained by reaction between 2-isocyanatoalkyl (meth)acrylate and polyhydric alcohol or by reacting 2-isocyanatoalkyl (meth)acrylate with polyhydric alcohol at molar ratio of functional groups NCO/OH between 1.1 and 1.6 to form a urethane compound and reacting hydroxyalkyl (meth)acrylate with a residual portion of 2-isocyanatoalkyl (meth)acrylate at molar ratio of functional groups OH/NCO between 1.0 and 1.5. This invention also includes molding compositions containing such liquid resin and a specified type of inorganic filler and/or a certain type of thermoplastic high molecular compound as well as molded objects obtained by curing such compositions in a mold.

REFERENCES:
patent: 2882260 (1959-04-01), Bartl et al.
patent: 4528317 (1985-07-01), Theodore et al.
patent: 4600761 (1986-06-01), Ruffner et al.
patent: 4721735 (1988-01-01), Bennett et al.
patent: 4734454 (1988-03-01), Aihara et al.
patent: 4824919 (1989-04-01), Baker et al.
patent: 4829120 (1989-05-01), Yabuta
patent: 4985340 (1991-01-01), Palazzotto et al.
patent: 5185417 (1993-02-01), Takayama et al.

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