Process using same stable foam latex with built-in self gel mech

Details Process using same stable foam latex with built-in self gel mech Process using same stable foam latex with built-in self gel mech

1975-05-14

1980-05-27

Lovering, Richard D.

Coating processes

With post-treatment of coating or coating material

Heating or drying

252316, 252DIG7, 521 65, 521139, B01J 1300, B05D 302

Patent

active

042051037

ABSTRACT:
A heat sensitive, but stable, gellant system is added to a foam latex during manufacture of the latex or as an additive ingredient being incorporated at the time of preparing the liquid foam compound. The system is comprised of an amphoteric surfactant acid or an amphoteric surfactant acid neutralized with a fixed alkali, said surfactant being capable of both sensitizing the latex emulsifier and functioning as a stabilizer; a water soluble ionizable organic or inorganic acid capable of activating the gelation mechanism and a water soluble, volatile, organic or inorganic base which is added in an amount sufficient to neutralize the combination of the surfactant and the acid to a pH of 8 to 12.

REFERENCES:
patent: 2261439 (1941-11-01), Kelly, Jr.
patent: 2568457 (1951-09-01), Meyer
patent: 3304262 (1967-02-01), Corey
patent: 3658985 (1972-04-01), Olson, Jr. et al.
patent: 3755559 (1973-08-01), Hewitt

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