Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1979-03-16
1980-06-17
Foelak, Morton
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
521 66, 521 67, 521 69, 521 70, 521 71, 521 74, 521 84, 521 85, 521 88, 521 89, 521 95, 521107, 521109, 521114, 521121, 521125, 521145, 521147, 521148, 521178, 521187, 521188, C08J 930
Patent
active
042084857
ABSTRACT:
An expansion agent comprising a foamable mixture of (a) 15-53 weight % of a foaming agent having 6 to 78 carbon atoms selected from the group of an ammonium salt, aliphatic amine salt and/or an alkali metal salt of an alkyl sulfate, hydroxyalkyl sulfate, alkyl ether sulfate and/or aryl alkyl ether sulfate; (b) 5-42 weight % of a dispersant having 22 to 260 carbon atoms selected from the group of an alkyl alkyleneoxy amine and/or its quaternary alkylsulfate, alkylhalide or alkylphosphate derivative; and (c) 5-40 weight % of a stabilizer having 8 to 68 carbon atoms selected from the group of a sodium and/or potassium salt of an alkyl sulfosuccinate; and the combination of said mixture with a synthetic resin, latex or natural rubber to provide a coating or finishing composition; the process of applying said composition to a substrate and the treated substrate product having incorporated the composition of the invention.
REFERENCES:
patent: 2861963 (1958-11-01), Butsch
patent: 3032516 (1962-05-01), Burchord et al.
patent: 3823104 (1974-07-01), Bondy et al.
patent: 4102808 (1978-07-01), Stroka
Foelak Morton
GAF Corporation
Kehm Walter C.
Maue Marilyn J.
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