Controlling the evolution of polypropylene microstructure during melt free radical modification using zinc dithiocarbamate with different N-substituted groups
文献类型：期刊论文
| 作者 | Zhang ZJ ; Wan D ; An YJ ; Liu F ; Xing HP ; Wang L ; Jiang ZW ; Tang T |
| 刊名 | polymer degradation and stability
 |
| 出版日期 | 2011 |
| 卷号 | 96期号:4页码:653-659 |
| 关键词 | BRANCHED ISOTACTIC POLYPROPYLENE ETHYLENE-PROPYLENE COPOLYMERS MOLECULAR-WEIGHT TAIL LONG-CHAIN BRANCHES RHEOLOGICAL PROPERTIES METALLOCENE CATALYST POLYOLEFIN MELTS CROSS-LINKING POLYETHYLENE IRRADIATION |
| ISSN号 | 0141-3910 |
| 通讯作者 | tang t |
| 中文摘要 | the effects of zinc dithiocarbamates on degradation and branching of polypropylene (pp) were studied during melt radical modification using a tri-functional monomer (trimethylol propane triacrylate (tmpta)). high-temperature size-exclusion chromatography (ht-sec) coupled with differential refractive index detector (dri), light scattering detector (lsd) and viscometer detector (vd) and rotational rheometry were used to analyse the microstructure of modified pp samples. the chemical structure of the n-substituted group showed an important influence in controlling the evolution of pp microstructure during melt radical reaction. the chain cleavage of pp was controlled in the presence of zinc n, n-dimethyldithiocarbamate (zdmc), and a substantial long chain branched (lcb) fraction was formed. without co-agent, the molecular weight of pp decreased measurably, and only a minor lcb fraction was formed. importantly, considerable amounts of highly branched (microgel and hyperbranched) structures were formed in this case. (c) 2011 elsevier ltd. all rights reserved. |
| 收录类别 | SCI收录期刊论文 |
| 语种 | 英语 |
| WOS记录号 | WOS:000288877300034 |
| 公开日期 | 2012-06-11 |
| 源URL | [http://ir.ciac.jl.cn/handle/322003/44730]  |
| 专题 | 长春应用化学研究所_长春应用化学研究所知识产出_期刊论文 |
| 推荐引用方式 GB/T 7714 | Zhang ZJ,Wan D,An YJ,et al. Controlling the evolution of polypropylene microstructure during melt free radical modification using zinc dithiocarbamate with different N-substituted groups[J]. polymer degradation and stability,2011,96(4):653-659. |
| APA | Zhang ZJ.,Wan D.,An YJ.,Liu F.,Xing HP.,...&Tang T.(2011).Controlling the evolution of polypropylene microstructure during melt free radical modification using zinc dithiocarbamate with different N-substituted groups.polymer degradation and stability,96(4),653-659. |
| MLA | Zhang ZJ,et al."Controlling the evolution of polypropylene microstructure during melt free radical modification using zinc dithiocarbamate with different N-substituted groups".polymer degradation and stability 96.4(2011):653-659. |
入库方式： OAI收割
来源：长春应用化学研究所
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