Unsaturated polyester resin composition and sheet-form molding m

Details Unsaturated polyester resin composition and sheet-form molding m Unsaturated polyester resin composition and sheet-form molding m

1994-10-03

1995-08-29

Acquah, Samuel A.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

528272, 525 10, 525 11, 525437, 525444, 525445, 428221, 428480, B32B 516

Patent

active

054458773

ABSTRACT:
An unsaturated polyester resin composition capable of affording a molded product having a small cured volume shrinkage, a superior dimensional stability, a surface quality and a high hardness, a sheet-form molding material using the composition and a process for producing a fiber-reinforced plastic molded product are provided, which composition comprises a saturated polyester obtained by reacting a saturated dibasic acid component containing 20% by mol or more of adipic acid with a saturated glycol component and having a number average molecular weight of 4,000 or higher and an acid value of 2 to 8 KOH mg/g, an unsaturated polyester and an ethylenic unsaturated monomer; which sheet-form molding material has the unsaturated resin composition together with a fiber reinforcing material placed between two films.

REFERENCES:
patent: 3923927 (1975-12-01), Miyake et al.
patent: 4122132 (1978-10-01), Murata et al.
patent: 4837270 (1989-06-01), Kraemer et al.
patent: 5075393 (1991-12-01), Thompson
patent: 5077326 (1991-12-01), Shibata et al.

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