| 铸型尼龙6嵌段共聚合改性的研究 |
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| 引用本文： | 董丙祥,方宇. 铸型尼龙6嵌段共聚合改性的研究[J]. 北京师范大学学报(自然科学版), 2001, 37(4): 530-534 |
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| 作者姓名： | 董丙祥 方宇 |
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| 作者单位： | 北京师范大学化学系, |
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| 摘 要： | 研究了阴离子引发己内酰胺与聚合物活性剂的嵌段共聚合，聚丁二烯或聚醚作为预聚体软段引入到聚酰胺主链上，以改善铸尼龙产品抗冲击性能及低温韧性，探讨了预聚体链的长短及用量对嵌段共聚物性能的影响，得出了有意义的结论。
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| 关 键 词： | 单体烧铸尼龙 改性 嵌段共聚合 阴离子催化聚合 己内酰胺 预聚体 铸型尼龙 |
| 修稿时间： | 2001-05-10 |
STUDY ON BLOCK COPOLYMERIZATION OF CAST NYLON 6 FOR ITS MODIFICATION |
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| Dong Bingkiang Fang Yu. STUDY ON BLOCK COPOLYMERIZATION OF CAST NYLON 6 FOR ITS MODIFICATION[J]. Journal of Beijing Normal University(Natural Science), 2001, 37(4): 530-534 |
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| Authors: | Dong Bingkiang Fang Yu |
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| Abstract: | The block copolymerization of caprolactam by anionic initiator with polymeric activators is studied. The soft segment, polybutadiene or polyether prepolymers used as activators are introduced on the polyamide chain through copolymerization for improving the low temperature impact strength and tenacity of cast nylon products. The effects of the prepolymer length and weight ratio on the properties of block copolymers are investigated. Significant results are obtained. |
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| Keywords: | monomer cast nylon modification block copolymerization anionic poly- merization caprolactam prepolymer |
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