Poly(ether ester) block copolymers were prepared using a transesterification/ polycondensation bulk synthesis with systematic control of the terephthalic acid/butanediol aromatic diester block ('hard segment') and with poly(tetramethylene oxide) [PTMO], poly(hexamethylene oxide) [PHMO], or poly(deca
Synthesis and characterization of hydroxy-terminated poly(alkylene oxides) by condensation polymerization of diols
β Scribed by Pathiraja A. Gunatillake; Gordon F. Meijs; Ronald C. Chatelier; Donna M. McIntosh; Ezio Rizzardo
- Book ID
- 104528313
- Publisher
- John Wiley and Sons
- Year
- 1992
- Tongue
- English
- Weight
- 826 KB
- Volume
- 27
- Category
- Article
- ISSN
- 0959-8103
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Block copolymers of polysulfone-poly(alky1ene oxide)-poly(dimethylsi1oxane) have been prepared by the addition of preformed a,w-bis(hydrogensily1) poly(dimethylsi1oxane) oligomers to allyl end-capped poly(alky1ene oxide)-polysulfone. The hydrosilylation reaction, catalyzed by platinum, was employed
## Abstract Poly(ethylene oxide)s having a primary or secondary amino group at one chain end have been synthesized by direct anionic polymerization of ethylene oxide initiated by aminoalcoholates. The ring opening reaction of ethylene oxide by the amino group could be avoided when the alcoholate wa