Study on Properties of Poly(urethane-ester) Synthesized from Prepolymers of ε-Caprolactone and 2,2-Dimethyl-1,3-Propanediol Monomers and Their Biodegradability

被引：12

作者：

Arcana, I. Made ^{[1
]}

Bundjali, Bunbun ^{[1
]}

Hasan, M. ^{[1
]}

Hariyawati, Ketut ^{[1
]}

Mariani, Helen ^{[1
]}

Anggraini, Shinta Dewi ^{[1
]}

Ardana, Aditya ^{[1
]}

机构：

[1] Inst Teknol Bandung, Fac Math & Nat Sci, Inorgan & Phys Chem Res Div, Bandung 40132, Indonesia

来源：

JOURNAL OF POLYMERS AND THE ENVIRONMENT | 2010年 / 18卷 / 03期

关键词：

Polyurethane; Caprolactone; Prepolymer; Biodegradation; POLYPROPYLENE; COPOLYMERS; BLENDS;

D O I：

10.1007/s10924-010-0189-9

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Poly(urethane-ester) was prepared by polymerization of 4,4'-methylenebis(phenyl isocyanate) (MDI) and prepolymers of epsilon-caprolactone and 2,2-dimethyl-1,3-propanediol monomers P(CL-DP) with various chain lengths as polyol sources. Characterizations of poly(urethane-ester) were carried out by analysis of functional groups (FTIR), thermal properties (DTA/TGA), mechanical properties (Tensile tester), crystallinity (XRD), and biodegradability. The chain length of prepolymers used in polymerization has a significant effect in properties of poly(urethane-ester) as well as their biodegradability. The formation of poly(urethane-ester) was indicated by the presence of new absorption peaks at wave number of 3,348.2 and 1,596.9 cm(-1) for urethane (-NH-) and aromatic groups in chain of polymers, respectively. The increase chain length of prepolymer used in polymerization with 4,4'-methylenebis(phenyl isocyanate) was observed the increase thermal property and crystallinity of poly(urethane-ester). However, the maximum mechanical property and also biodegradability in activated sludge were observed in poly(urethane-ester) prepared by polymerization of 4,4'-methylenebis(phenyl isocyanate) (MDI) and P(CL-DP) prepolymers with DP/CL ratio of 1/20. Apparently, the amorphous parts of polymers are rapidly decomposed by enzymes of microorganisms, so the crystallinity on the whole of poly(urethane-ester) increases after incubation time of 30 days.

引用

页码：188 / 195

页数：8

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