a-Chloromethyl-a-methyl-b-propionolactone (CMMPL) has been copolymerized with e-caprolactone (CL) using a wide range of feed compositions and aluminium triisopropoxide [Al(O i Pr) 3 ] as an initiator. Random copolymers of CMMPL with CL were obtained. The pendant chloromethyl groups of the copolymer
Lipase-catalyzed ring-opening polymerization of α-methyl-δ-valerolactone and α-methyl-ε-caprolactone
✍ Scribed by Kai Küllmer; Hirofumi Kikuchi; Hiroshi Uyama; Shiro Kobayashi
- Publisher
- John Wiley and Sons
- Year
- 1998
- Tongue
- English
- Weight
- 285 KB
- Volume
- 19
- Category
- Article
- ISSN
- 1022-1336
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📜 SIMILAR VOLUMES
Poly(-caprolactone) (PCL) macromonomers capped by a polymerizable norbornene end-group have been synthesized and (co)polymerized by ring-opening metathesis with formation of graft copolymers and polymacromonomers. ␣-Norbornenyl PCL macromonomers have been synthesized by ring opening polymerization (
New Sm(III) -halo-bis(trimethylsilyl)amido complexes [Sm(-X) {N(SiMe 3 ) 2 } 2 (THF)] 2 (X ϭ Cl, Br) were synthesized and their crystal structures were analyzed. These complexes were used as catalysts for the homopolymerization of -caprolactone and ␦-valerolactone and found to initiate ring-opening