Method for making amino functional polysiloxane emulsions

Details Method for making amino functional polysiloxane emulsions Method for making amino functional polysiloxane emulsions

1996-06-24

1998-12-22

Short, Patricia A.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524714, 524724, C08L 8308

Patent

active

058521100

ABSTRACT:
The instant invention pertains to a method for making amino-functional polysiloxane emulsions wherein said method comprises the emulsion polymerization of a mixture comprising cyclosiloxanes and an aminosilane having an amino-functional group solubility parameter equal to or less than 10.0. Said emulsion polymerization is carried out in the presence of water, at least one cationic surfactant and a basic polymerization catalyst. By using an aminosilane having an amino-functional group solubility parameter of equal to or less than 10.0 it is possible to produce emulsions with higher amine concentrations in the resulting polymer.

REFERENCES:
patent: 2891920 (1959-06-01), Hyde et al.
patent: 4784665 (1988-11-01), Ona et al.
patent: 4999398 (1991-03-01), Graiver et al.
"A Method For Estimating Both The Solubility Parameters and Molar Volumes of Liquids" Robert F. Fedors, Polymer Engineering And Science, Feb. 1974 vol. 14 No. 2 pp. 147-154.

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