Water-resistant micro-capsular opacifier system and products

Details Water-resistant micro-capsular opacifier system and products Water-resistant micro-capsular opacifier system and products

1973-01-11

1978-05-16

Hayes, Lorenzo B.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

106312, 252316, 260 15, 260 285A, 260 293, 260855, 260856, 264 4, C08L 6120

Patent

active

040898342

ABSTRACT:
Microcapsules having controlled structural integrity are produced by a process which involves admixing a thermosetting condensation polymer-containing oily solution and a polymer-containing aqueous solution and causing a chemical reaction between the polymers at the resulting oil/water interface. The so-formed microcapsules have excellent water resistance and may be employed in the formation of opacifying agents in coatings and particularly in paint films.

REFERENCES:
patent: 2969331 (1961-01-01), Brynko et al.
patent: 3418656 (1968-12-01), Vassiliades
patent: 3459128 (1969-08-01), Erdmann et al.
patent: 3615791 (1971-10-01), Thomas et al.
patent: 3720534 (1973-03-01), Macaulay et al.
patent: 3766105 (1973-10-01), Chan
patent: 3779941 (1973-12-01), Powell

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