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Synthesis of poly(vinyl alcohol) core-polystyrene shell-type flower microgels

✍ Scribed by Reiko Saito; Satoru Yoshida; Koji Ishizu

Publisher: John Wiley and Sons
Year: 1997
Tongue: English
Weight: 156 KB
Volume: 63
Category: Article
ISSN: 0021-8995
DOI: 10.1002/(sici)1097-4628(19970214)63:7<849::aid-app4>3.0.co;2-q

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✦ Synopsis

Four types of poly(vinyl alcohol-b-styrene-b-vinyl alcohol) (P(VA-b-S-b-VA)) triblock copolymers were synthesized by hydrolysis of poly(vinyl acetate-b-styrene-b-vinyl acetate) triblock copolymers prepared by radical living polymerization.

The polyvinyl alcohol (PVA) core-polystyrene corona-type flower micelles were formed with ASA-4 in benzene at 25ЊC. The PVA core part of the micelle was crosslinked with hexamethylene diisocyanate in solution. The monodispersed spherical products (microspheres) were synthesized by crosslinking.

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