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学校录入文章，急求文章入藏号，拜托拜托 Synthesis of chlorinated and anhydride-modified low density polyethylene by solid-phase chlorination and grafting—improving the adhesion of a film-forming polymer. RSC Advances, 2014, 4 (24), 12490 - 12496 |
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baiyuefei
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2楼2014-11-11 16:27:53
baiyuefei
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Synthesis of chlorinated and anhydride-modified low density polyethylene by solid-phase chlorination and grafting-improving the adhesion of a film-forming polymer 作者:Wang, Y (Wang, Yuan)[ 1 ] ; Liu, LJ (Liu, Lijuan)[ 1 ] ; Jing, Z (Jing, Zhao)[ 1 ] ; Zhao, JR (Zhao, Jiruo)[ 1,2 ] ; Feng, Y (Feng, Ying)[ 1 ] RSC ADVANCES 卷: 4 期: 24 页: 12490-12496 DOI: 10.1039/c3ra47562j 出版年: 2014 查看期刊信息 摘要 This paper is mainly focused on the modification of low density polyethylene (LDPE) by chlorinating and grafting it simultaneously in the gas-solid phase. There are two key obstacles to the success of this process. The first is the feasibility of the chlorination and grafting occurring simultaneously on the LDPE chains, and the second is how to gain control of the high chlorinated polyethylene (HCPE, Clwt% > 60%) preparation, when using LDPE as the raw material, which is a heterogeneous reaction. The feasibility of the process is discussed by FTIR and H-1-NMR, in which LDPE is chlorinated to a high chlorine content (Clwt% = 64%) while maleic anhydride (MAH) is grafted onto the backbone chain (LDPE). This is a novel modification method patented by us, called in situ chlorinating graft copolymerization (ISCGC). The products' molecular weight and distribution, thermal properties, and the factors affecting the modification process are analyzed by gel permeation chromatography (GPC), differential scanning calorimetry (DSC), stereoscopic microscopy and the curve of chlorine content versus time. A graft degree (GD) of about 2% is achieved for the graft copolymer, which has a broad practical significance. The adhesion and impact strength tests of the product as a film-forming polymer in coatings indicate that it could effectively increase the adhesion when MAH is grafted onto the LDPE by ISCGC. 关键词 KeyWords Plus:MALEIC-ANHYDRIDE; MECHANICAL-PROPERTIES; POLYPROPYLENE; COMPATIBILIZER; BEHAVIOR; STATE 作者信息 通讯作者地址: Zhao, JR (通讯作者) Qingdao Univ Sci & Technol, Key Lab Rubber Plast, Minist Educ, Shandong Prov Key Lab Rubber Plast, Qingdao 266042, Peoples R China. 地址: [ 1 ] Qingdao Univ Sci & Technol, Key Lab Rubber Plast, Minist Educ, Shandong Prov Key Lab Rubber Plast, Qingdao 266042, Peoples R China [ 2 ] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China 电子邮件地址:jiruozhao@qust.edu.cn 基金资助致谢 基金资助机构 授权号 National Natural Science Foundation of China 51173090 State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, natural science foundation of Shandong Province ZR2012EMM003 查看基金资助信息 出版商 ROYAL SOC CHEMISTRY, THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND 类别 / 分类 研究方向:Chemistry Web of Science 类别:Chemistry, Multidisciplinary 文献信息 文献类型:Article 语种:English 入藏号: WOS:000332473400053 ISSN: 2046-2069 期刊信息 Impact Factor (影响因子): Journal Citation Reports® 其他信息 IDS 号: AC4EK Web of Science 核心合集中的 "引用的参考文献": 17 Web of Science 核心合集中的 "被引频次": 0 |
3楼2014-11-11 16:28:03
baiyuefei
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4楼2014-11-11 16:28:25
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