Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1993-12-01
1995-04-18
Acquah, Samuel A.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
528272, 528296, 528299, 528300, 528301, 528302, 528303, 528306, 528308, 5283086, 525 33, 525 35, 525 36, 525 41, 525437, 525444, 525447, 525448, 428480, 428482, C08F 2000
Patent
active
054080134
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.
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patent: 4837270 (1989-06-01), Kraemer et al.
patent: 5075393 (1991-12-01), Thompson
patent: 5077326 (1991-12-01), Shibata et al.
Kawakami Hiroyuki
Sasaki Shoichi
Yasuda Masa'aki
Acquah Samuel A.
Hitachi Chemical Co. Ltd.
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