Fiber reinforced molding compositions providing improved surface

Details Fiber reinforced molding compositions providing improved surface Fiber reinforced molding compositions providing improved surface

1986-06-19

1988-07-05

Short, Patricia A.

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

Synthetic resins

Ethylenically unsaturated reactant admixed with either...

525 43, 525 49, 525168, 525170, 524107, 524108, 524110, 524111, C08L 6706

Patent

active

047555572

ABSTRACT:
A molding composition is provided which, through the use of a lactone monomer, improves the surface characteristics of the molded composite. In particular, the use of .epsilon.-caprolactone (oxepane-2-one) provides a smoother surface and enhanced dimensional stability.

REFERENCES:
patent: 3718714 (1973-02-01), Comstock
patent: 3842142 (1974-10-01), Harpold
patent: 4020036 (1977-04-01), South, Jr.
patent: 4032494 (1977-06-01), Gentry
patent: 4079024 (1978-03-01), Hess et al.
patent: 4101604 (1979-07-01), Rowe
patent: 4160759 (1979-07-01), Gardner et al.
patent: 4161471 (1979-07-01), Kassal
patent: 4172059 (1979-10-01), Atkins et al.
patent: 4210571 (1980-07-01), Herman et al.
patent: 4210572 (1980-07-01), Herman et al.
patent: 4263199 (1981-04-01), Atkins
patent: 4284736 (1981-08-01), Comstock et al.
patent: 4288571 (1981-09-01), Comstock et al.
patent: 4374215 (1983-02-01), Atkins
Atkins et al., "Low Profile Additives for Reinforced Polyester", Plastics Compounding, Jan./Feb. 1982.
Atkins, "Low Profile Behavior", Polymer Blends, vol. 2, 1978.

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