Crystallization phenomena in bacterial poly[(R)-3-hydroxybutyrate]. 2. Embrittlement and rejuvenation

G.J.M. Koning, de; P.J. Lemstra

doi:10.1016/0032-3861(93)90671-V

Crystallization phenomena in bacterial poly[(R)-3-hydroxybutyrate]. 2. Embrittlement and rejuvenation

G.J.M. Koning, de, P.J. Lemstra

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Abstract

Poly[(R)-3-hydroxybutyrate] (I) (Biopol) is a bacterial storage polymer, currently receiving much attention because of its potential as a biodegradable plastic. A major drawback of I is its intrinsic brittleness. Although as-molded I shows ductile behavior, upon storage at ambient temp. is detrimental aging process seriously embrittles the material and restricts its application possibilities. This remarkable embrittlement is delineated in the present study and could be attributed to progressive crystn. By using a simple annealing treatment I can be rejuvenated while subsequent aging is prevented to a large extent. This observation might considerably enlarge the applicability of I

Original language	English
Pages (from-to)	4089-4094
Journal	Polymer
Volume	34
Issue number	19
DOIs	https://doi.org/10.1016/0032-3861(93)90671-V
Publication status	Published - 1993

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abstract = "Poly[(R)-3-hydroxybutyrate] (I) (Biopol) is a bacterial storage polymer, currently receiving much attention because of its potential as a biodegradable plastic. A major drawback of I is its intrinsic brittleness. Although as-molded I shows ductile behavior, upon storage at ambient temp. is detrimental aging process seriously embrittles the material and restricts its application possibilities. This remarkable embrittlement is delineated in the present study and could be attributed to progressive crystn. By using a simple annealing treatment I can be rejuvenated while subsequent aging is prevented to a large extent. This observation might considerably enlarge the applicability of I",

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Y1 - 1993

N2 - Poly[(R)-3-hydroxybutyrate] (I) (Biopol) is a bacterial storage polymer, currently receiving much attention because of its potential as a biodegradable plastic. A major drawback of I is its intrinsic brittleness. Although as-molded I shows ductile behavior, upon storage at ambient temp. is detrimental aging process seriously embrittles the material and restricts its application possibilities. This remarkable embrittlement is delineated in the present study and could be attributed to progressive crystn. By using a simple annealing treatment I can be rejuvenated while subsequent aging is prevented to a large extent. This observation might considerably enlarge the applicability of I

AB - Poly[(R)-3-hydroxybutyrate] (I) (Biopol) is a bacterial storage polymer, currently receiving much attention because of its potential as a biodegradable plastic. A major drawback of I is its intrinsic brittleness. Although as-molded I shows ductile behavior, upon storage at ambient temp. is detrimental aging process seriously embrittles the material and restricts its application possibilities. This remarkable embrittlement is delineated in the present study and could be attributed to progressive crystn. By using a simple annealing treatment I can be rejuvenated while subsequent aging is prevented to a large extent. This observation might considerably enlarge the applicability of I

U2 - 10.1016/0032-3861(93)90671-V

DO - 10.1016/0032-3861(93)90671-V

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JO - Polymer

JF - Polymer

IS - 19

ER -

Crystallization phenomena in bacterial poly[(R)-3-hydroxybutyrate]. 2. Embrittlement and rejuvenation

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