TY - JOUR
T1 - A new strategy for sustainable polymer recycling using an enzyme
T2 - Poly(ε-caprolactone)
AU - Matsumura, Shuichi
AU - Ebata, Hiroki
AU - Toshima, Kazunobu
PY - 2000/8/18
Y1 - 2000/8/18
N2 - Enzymatic degradation and polymerization using an enzyme were analyzed with respect to the establishment of a sustainable chemical recycling system for poly(ε-caprolactone) (PCL) which is a typical biodegradable synthetic plastic. As the typical example, the enzymatic degradation of PCL having an M̄n of 110 000 using lipase CA in toluene containing water at 70°C for 6 h afforded a unimodal oligomer having an M̄n of about 1 000 quantitatively consisting of linear and cyclic oligomers. This was again polymerized by lipase CA in toluene under restricted water concentration to produce PCL having an M̄n of greater than 70 000.
AB - Enzymatic degradation and polymerization using an enzyme were analyzed with respect to the establishment of a sustainable chemical recycling system for poly(ε-caprolactone) (PCL) which is a typical biodegradable synthetic plastic. As the typical example, the enzymatic degradation of PCL having an M̄n of 110 000 using lipase CA in toluene containing water at 70°C for 6 h afforded a unimodal oligomer having an M̄n of about 1 000 quantitatively consisting of linear and cyclic oligomers. This was again polymerized by lipase CA in toluene under restricted water concentration to produce PCL having an M̄n of greater than 70 000.
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U2 - 10.1002/1521-3927(20000801)21:12<860::aid-marc860>3.0.co;2-u
DO - 10.1002/1521-3927(20000801)21:12<860::aid-marc860>3.0.co;2-u
M3 - Article
AN - SCOPUS:23044520965
SN - 1022-1336
VL - 21
SP - 860
EP - 863
JO - Macromolecular Rapid Communications
JF - Macromolecular Rapid Communications
IS - 12
ER -