Effect of homopolymer poly(vinyl acetate) on compatibility and mechanical properties of poly(propylene carbonate)/poly(lactic acid) blends
A small amount of homopolymer poly(vinyl acetate) (PVAc) is used to compatibilize the biodegradable blends of poly(propylene carbonate) (PPC) and poly(lactic acid) (PLA). Scanning electron microscopy (SEM) and differential scanning calorimetry (DSC) results show that PVAc is selectively localized in...
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| Format: | Article |
| Language: | English |
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Budapest University of Technology and Economics
2012-11-01
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| Series: | eXPRESS Polymer Letters |
| Subjects: | |
| Online Access: | http://www.expresspolymlett.com/letolt.php?file=EPL-0003564&mi=cd |
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| author | J. Gao Q. Fu H. Bai Q. Zhang Y. Gao L. Chen |
| author_facet | J. Gao Q. Fu H. Bai Q. Zhang Y. Gao L. Chen |
| author_sort | J. Gao |
| collection | DOAJ |
| description | A small amount of homopolymer poly(vinyl acetate) (PVAc) is used to compatibilize the biodegradable blends of poly(propylene carbonate) (PPC) and poly(lactic acid) (PLA). Scanning electron microscopy (SEM) and differential scanning calorimetry (DSC) results show that PVAc is selectively localized in the PLA phase and at the interface between PPC and PLA phases. As a result, these interface-localized PVAc layers act as not only a compatibilizer to improve the phase dispersion significantly but also a bridge to increase the interfacial adhesion between PPC and PLA phases dramatically. Both of them are believed to be responsible for the enhancement in mechanical properties. This work provides a simple avenue to fabricate eco-friendly PPC/PLA blends with high performance, and in some cases, reducing the demand for petroleumbased plastics such as polypropylene. |
| format | Article |
| id | doaj-art-6612fceaa3a74fbba7bbf50018d91350 |
| institution | Kabale University |
| issn | 1788-618X |
| language | English |
| publishDate | 2012-11-01 |
| publisher | Budapest University of Technology and Economics |
| record_format | Article |
| series | eXPRESS Polymer Letters |
| spelling | doaj-art-6612fceaa3a74fbba7bbf50018d913502025-08-20T03:33:46ZengBudapest University of Technology and EconomicseXPRESS Polymer Letters1788-618X2012-11-0161186087010.3144/expresspolymlett.2012.92Effect of homopolymer poly(vinyl acetate) on compatibility and mechanical properties of poly(propylene carbonate)/poly(lactic acid) blendsJ. GaoQ. FuH. BaiQ. ZhangY. GaoL. ChenA small amount of homopolymer poly(vinyl acetate) (PVAc) is used to compatibilize the biodegradable blends of poly(propylene carbonate) (PPC) and poly(lactic acid) (PLA). Scanning electron microscopy (SEM) and differential scanning calorimetry (DSC) results show that PVAc is selectively localized in the PLA phase and at the interface between PPC and PLA phases. As a result, these interface-localized PVAc layers act as not only a compatibilizer to improve the phase dispersion significantly but also a bridge to increase the interfacial adhesion between PPC and PLA phases dramatically. Both of them are believed to be responsible for the enhancement in mechanical properties. This work provides a simple avenue to fabricate eco-friendly PPC/PLA blends with high performance, and in some cases, reducing the demand for petroleumbased plastics such as polypropylene.http://www.expresspolymlett.com/letolt.php?file=EPL-0003564&mi=cdMechanical propertiespoly(propylene carbonate)poly(lactic acid)poly(vinyl acetate)compatibility |
| spellingShingle | J. Gao Q. Fu H. Bai Q. Zhang Y. Gao L. Chen Effect of homopolymer poly(vinyl acetate) on compatibility and mechanical properties of poly(propylene carbonate)/poly(lactic acid) blends eXPRESS Polymer Letters Mechanical properties poly(propylene carbonate) poly(lactic acid) poly(vinyl acetate) compatibility |
| title | Effect of homopolymer poly(vinyl acetate) on compatibility and mechanical properties of poly(propylene carbonate)/poly(lactic acid) blends |
| title_full | Effect of homopolymer poly(vinyl acetate) on compatibility and mechanical properties of poly(propylene carbonate)/poly(lactic acid) blends |
| title_fullStr | Effect of homopolymer poly(vinyl acetate) on compatibility and mechanical properties of poly(propylene carbonate)/poly(lactic acid) blends |
| title_full_unstemmed | Effect of homopolymer poly(vinyl acetate) on compatibility and mechanical properties of poly(propylene carbonate)/poly(lactic acid) blends |
| title_short | Effect of homopolymer poly(vinyl acetate) on compatibility and mechanical properties of poly(propylene carbonate)/poly(lactic acid) blends |
| title_sort | effect of homopolymer poly vinyl acetate on compatibility and mechanical properties of poly propylene carbonate poly lactic acid blends |
| topic | Mechanical properties poly(propylene carbonate) poly(lactic acid) poly(vinyl acetate) compatibility |
| url | http://www.expresspolymlett.com/letolt.php?file=EPL-0003564&mi=cd |
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