Synthesis of poly(vinyl alcohol)-graft-poly(ε-caprolactone) and poly(vinyl alcohol)-graft-poly(lactide) in melt with magnesium hydride as catalyst
✍ Scribed by Nadia Guerrouani; André Mas; François Schué
- Publisher
- John Wiley and Sons
- Year
- 2009
- Tongue
- English
- Weight
- 384 KB
- Volume
- 113
- Category
- Article
- ISSN
- 0021-8995
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Triethoxysilane HSi(OEt) 3 was used as coupling agent to graft a poly(organophosphazene) (POPZ) containing allylic functions to the surface of poly(vinyl alcohol) or poly(ethylene-co-vinyl alcohol) films. Hydrolyzed HSi(OEt) 3 , which contained both inorganic (Si-OH) and organic (Si-H) reactivities,
## Abstract Polycaprolactone (PCL) grafting on vinyl alcohol‐__co__‐vinyl acetate) (PVA‐Ac), was investigated in the melt at high temperature (170°C), below the PVA‐Ac melting point, by ring opening polymerization of ϵ‐caprolactone initiated by metal alkoxyde sites present in PVA‐Ac: no additional