Biodegradable coatings of ionomer polymer

Details Biodegradable coatings of ionomer polymer Biodegradable coatings of ionomer polymer

1988-02-01

1988-11-29

Lusignan, Michael

Coating processes

Particles, flakes, or granules coated or encapsulated

71 6407, B05D 700, A01N 2500, C05G 506

Patent

active

047880813

ABSTRACT:
A polymeric composite comprising a (a) urea; (b) a coating of sulfonated polymer which has about 10 to about 200 meq. of sulfonate groups per 100 grams of said sulfonated polymer, said sulfonate groups being neutralized with a polycaprolactone polymer having the formula: ##STR1## wherein R.sub.1 or R.sub.2 is an alkyl, cycloalkyl or aryl group; R.sub.3, R.sub.4 and R.sub.5 are a hydrogen or alkyl, cycloalkyl, or aryl groups; m equals 1 to 20 and n equals 1 to 500, wherein said coating is deposited on the surface of said urea.

REFERENCES:
patent: 4356020 (1982-10-01), Granert et al.
patent: 4421898 (1983-12-01), Lundberg et al.

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