Synthesis of polyester-poly(vinyl monomer) block copolymers
β Scribed by C.I. Simionescu; E. Comanita; V. Harabagiu; B.C. Simionescu
- Book ID
- 107754091
- Publisher
- Elsevier Science
- Year
- 1987
- Tongue
- English
- Weight
- 104 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0014-3057
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π SIMILAR VOLUMES
Polycondensation of 4,4'-azobis-4-cyanovaleryl chloride and :t,co-bis(3-hydroxypropyl)polydimethylsiloxane was carried out to yield poly(azo-containing siloxane ester)s. These were used to induce the radical polymerization of various vinyl monomers through the thermal decomposition of the azo groups
ABA-type block copolymers containing segments of poly(dimethyl siloxane) and poly(vinyl pyrrolidinone) were synthesized. Dihydroxyl-terminated poly(dimethyl siloxane) was reacted with isophorone diisocyanate and then with t-butyl hydroperoxide to obtain macroinitiators having siloxane units. The per