Fluorine and/or silicone containing poly(alkylene-oxide)-block c

Details Fluorine and/or silicone containing poly(alkylene-oxide)-block c Fluorine and/or silicone containing poly(alkylene-oxide)-block c

1990-02-28

1992-05-19

Marquis, Melvyn I.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526245, 526247, 526251, 526279, 525404, 525455, 351160R, 351160H, C08F 1230

Patent

active

051150565

ABSTRACT:
Fluorine and/or silicone containing block copolymers are described which are the copolymerization product of mono; di- or trivinyl substituted poly(alkylene oxide) prepolymers (A) and fluoroalkyl-alkylene acrylates or methacrylates (B1), oligosiloxy-silyl alkyl-acrylates or methacrylates (B2), and optionally other copolymerizable comonomers (C). The novel block copolymers are prepared in solution or bulk and are characterized by high oxygen permeability, flexibility and wettability and are therefore well suited as biocompatible polymers, especially as contact lenses.

REFERENCES:
patent: 4440918 (1984-04-01), Rice et al.
patent: 4686267 (1987-08-01), Ellis et al.
patent: 4818801 (1989-04-01), Rice et al.
patent: 4933408 (1990-06-01), Goldenberg

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