Method for producing amino-formaldehyde microcapsules and photos

Details Method for producing amino-formaldehyde microcapsules and photos Method for producing amino-formaldehyde microcapsules and photos

1989-06-22

1990-10-09

Michl, Paul R.

Radiation imagery chemistry: process, composition, or product th

Microcapsule, process, composition, or product

430 56, 430 58, 430 90, 430281, 42840221, 42840224, 264 47, G03C 168, B01J 1302

Patent

active

049620100

ABSTRACT:
A method for forming microcapsules by enwrapping an oily core material in a formaldehyde condensation product formed in situ wherein methylated polygalacturonic acid is used in combination with a sulfonated polystyrene as an emulsion stabilizer; the method is particularly useful in forming photosensitive microcapsules in that uniform small microcapsules size is obtained.

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patent: 4842978 (1989-06-01), Ishikawa

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