Process for preparing glass fiber mats

Details Process for preparing glass fiber mats Process for preparing glass fiber mats

1976-05-28

1977-10-18

Lesmes, George F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

156236, 156283, 260 40R, 260 75UA, 264136, 264137, 427195, 427390A, 428286, 428287, 428296, 428436, 428482, 428522, B05D 500, B32B 1704

Patent

active

040547132

ABSTRACT:
Glass fiber mats are prepared by binding glass fibers with a resinous component, wherein the resinous component is an unsaturated polyester resin powder having a melting point of 80.degree. to 130.degree. C and a molecular weight of 2,500 to 7,000 obtained by reacting (A) one mole of a dicarboxylic acid component comprising an .alpha.,.beta.-unsaturated dicarboxylic acid or anhydride thereof, alone or in admixture thereof with a saturated dicarboxylic acid, with (B) 0.9 to 1.1 moles of a polyol component containing at least 50 molar percent of bis(.beta.-hydroxy-ethyl) terephthalate of the formula: ##STR1##

REFERENCES:
patent: 3252941 (1966-05-01), Mayer
patent: 3340136 (1967-09-01), Burns
patent: 3345339 (1967-10-01), Parker
patent: 3427267 (1969-02-01), Stieger
patent: 3598693 (1971-08-01), Anderson
patent: 3649338 (1972-03-01), Ishida
patent: 3736278 (1973-05-01), Wada et al.

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