Vinyl ester resins containing polyoxyalkylene low profile additi

Details Vinyl ester resins containing polyoxyalkylene low profile additi Vinyl ester resins containing polyoxyalkylene low profile additi

1978-04-26

1979-04-24

Lieberman, Paul

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 37EP, 260830R, 260837R, C08L 6300

Patent

active

041512197

ABSTRACT:
Low shrink and low profile reinforced plastic systems are prepared from vinyl ester resins by incorporating therein an additive having the formula: ##STR1## WHEREIN R.sub.1 and R.sub.2 are hydrogen, methyl or ethyl with the provision that, if either R.sub.1 or R.sub.2 is hydrogen, the other is methyl or ethyl, n and m are whole numbers such that said additive is soluble in said resin when uncured and insoluble in said resin when cured; and B is the residue of a hydroxyl containing initiating compound. Typical of such compounds are water, ethylene glycol, glycerine and phenol. The value of p is equal to or less than the number of hydroxyls in the initiating compound.

REFERENCES:
patent: 3367992 (1968-02-01), Bearden
patent: 3466259 (1969-09-01), Jernigan
patent: 3674893 (1972-07-01), Nowak
patent: 3836600 (1974-09-01), Brewbaker
patent: 3976615 (1976-08-01), Sekmakas

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