Process for the production of radiation curable coating composit

Details Process for the production of radiation curable coating composit Process for the production of radiation curable coating composit

1977-04-29

1979-07-17

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

8 25R, 8 7, 106308M, 427 44, 427 54, 427150, 427151, 521 54, 521134, 521136, 521137, 521138, 521140, C08J 932

Patent

active

041615700

ABSTRACT:
A process is provided for producing a radiation curable coating composition containing microcapsules comprising the steps of preparing a dispersion of substantially discrete microcapsules in a continuous phase, the continuous phase comprising a liquid volatile solvent, preparing a liquid radiation curable suspending medium, the liquid radiation curable suspending medium comprising one or more ethylenically unsaturated organic compounds having at least one terminal ethylenic group per molecule, mixing the dispersion of substantially discrete microcapsules in the continuous phase and the liquid radiation curable suspending medium with turbulent agitation to form an intimate mixture of the dispersion of microcapsules and the liquid radiation curable suspending medium, and applying heat and vacuum to the mixture, while maintaining the agitation, until the liquid volatile solvent is substantially removed from the mixture to form a dispersion of substantially discrete microcapsules in the liquid radiation curable suspending medium, the heat being applied to maintain the mixture at a temperature above the boiling point of the volatile solvent at the vacuum level.

REFERENCES:
patent: 3585149 (1971-06-01), Vassiliades et al.
patent: 3669899 (1972-06-01), Vassiliades et al.
patent: 3672935 (1972-06-01), Miller et al.
patent: 3752698 (1973-08-01), Vassiliades et al.
patent: 3779957 (1973-12-01), Vassiliades et al.
patent: 3781230 (1973-12-01), Vassiliades et al.
patent: 3801329 (1974-04-01), Sandner et al.
patent: 3847768 (1974-11-01), Muruyama

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