Glass fiber sizing agent

Details Glass fiber sizing agent Glass fiber sizing agent

1976-12-10

1978-01-10

Griffin, Ronald W.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 292E, 260 296PM, 427390A, 428392, C08L 6708, C08L 6706

Patent

active

040678350

ABSTRACT:
A glass fiber sizing agent comprising, as a sizing component, an oil-in-water emulsion of a saturated polyester which is formed by emulsifying in water, a saturated polyester obtained by reacting, under heating, (a) an aromatic or saturated aliphatic dicarboxylic acid or lower alkyl ester thereof, (b) a diol component containing at least 40 mole %, based on the total diol component, of an adduct of 2 to 10 moles of an alkylene oxide to 2,2-bis(4-hydroxyphenyl)propane, and (c) 5 to 30 parts by weight, per 100 parts by weight of the sum of the starting components (a) and (b), of an emulsifier selected from the group consisting of an adduct of 10 to 200 moles of ethylene oxide to castor oil, an adduct of 10 to 200 moles of ethylene oxide to hardened castor oil and a polyethylene glycol having an average molecular weight of 1000 to 6000.

REFERENCES:
patent: 3262809 (1966-07-01), Aber
patent: 3310512 (1967-03-01), Curtice
patent: 3763064 (1973-10-01), Soliday
patent: 3920596 (1975-11-01), Furukawa et al.
patent: 3923708 (1975-12-01), Furukawa et al.
patent: 4009132 (1977-02-01), Furukawa et al.

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