Alkali-resistant core-shell polymers

Details Alkali-resistant core-shell polymers Alkali-resistant core-shell polymers

1990-09-24

1993-05-18

Seidleck, James J.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525281, 525284, 525285, 525293, 525296, 525301, 525302, 525308, 525317, 5253302, 5253303, 525340, 525354, 525355, 525902, 106 20R, 10628724, 10628729, C08F25702, C08F26304, C08F26502, C08F 614

Patent

active

052122514

ABSTRACT:
Alkali-resistant core-shell polymers having an acid-insoluble core and an acid-soluble shell are prepared by sequential emulsion polymerization of a monomer mixture having acid-ionizable functionality such that the resulting polymer has an acid-insoluble core and an acid-soluble shell. Films from these alkali-resistant, core-shell polymers are resistant to high pH environments where alkali-resistance is required. The alkali-resistant, core-shell polymers are useful in applications such as inks, clear overprint varnishes, coatings, metal adhesion, fiber treatment, paper treatment, cathodic deposition coatings, stain blocking, coagulants and flocculants.

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patent: 5041464 (1991-08-01), Hoshino et al.
"Concise Chemical and Technical Dictionary", H. Bennett (ed), Chemical Pub. Co., New York, 1947, p. 14.

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