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| 以马铃薯残渣为原料的端羟基乳酸预聚物的制备 | |
| 引用本文： | 张红印,Fu-H sianChang,陈少峰.以马铃薯残渣为原料的端羟基乳酸预聚物的制备[J].安徽农业科学,2011,39(30):18618-18619,18633. |
| 作者姓名： | 张红印 Fu-H sianChang 陈少峰 |
| 作者单位： | 1. 罗德岛大学,美国02916 2. 伯米吉州立大学,美国56601 3. 茂名职业技术学院化学工程系,广东茂名,525000 |
| 摘 要： | 目的]利用马铃薯残渣为原料合成乳酸预聚物,为聚乳酸的生产工艺改造提供理论依据。方法]将由马铃薯残渣发酵所得的乳酸采用熔融缩聚法合成乳酸预聚物,并对此方法进行了优化。结果]最佳工艺：催化剂辛酸亚锡的用量1%,熔融缩聚时间10 h,反应温度170℃,1,4-丁二醇用量1%。结论]熔融缩聚法聚合所得的聚乳酸预聚物的最高分子量为3059 g/mol,用马铃薯残渣为原料合成乳酸预聚物简单易行,该方法提供了一种新的废物利用途径。 |
| 关 键 词： | 马铃薯 乳酸预聚物 制备 |
Synthesis of Hydroxyl Terminated Prepolymer of Polylactic Acid Using Potato Waste as Raw Materials |
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| ZHANG Hong-yin et al.Synthesis of Hydroxyl Terminated Prepolymer of Polylactic Acid Using Potato Waste as Raw Materials[J].Journal of Anhui Agricultural Sciences,2011,39(30):18618-18619,18633. | |
| Authors: | ZHANG Hong-yin |
| Institution: | ZHANG Hong-yin et al(Bemidji State University,USA 56601) |
| Abstract: | Objective]The synthesis of hydroxyl terminated prepolymer of polylactic acid using potato waste was studied to provide theoretical basis for reformation of productive technology of polylactic acid.Methods]This study applied direct condensation method for polymerization of lactic acid produced from potato waste and the methods were optimized.Result]The results showed the following optimum conditions for polymerization:catalyst dosage:1%,reaction time:10 h,reaction temperature:170 ℃,1,4-Butanediol dosage:1%.Conclusion]The highest molecular weight of polylactic acid prepolymer obtained by melt condensation polymerization reached 3 059 g/mol.This study provides an alternative substitute for polylactic acid synthesis,which helps transfer low value potato waste to high value product. |
| Keywords: | Potato Lactic acid prepolymer Synthesis |
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