Synthesis and structure-property relationships of polypropylene-g-polystyrene and polypropylene-g-poly(n-butyl acrylate) graft copolymers with well-defined molecular structures

	Synthesis and structure-property relationships of polypropylene-g-polystyrene and polypropylene-g-poly(n-butyl acrylate) graft copolymers with well-defined molecular structures
	Wang L ; Yang HF ; Tan HY ; Yao K ; Gong J ; Wan D ; Qiu J ; Tang T
刊名	polymer
	2013
卷号	54 期号:14 页码:3641-3653
关键词	CHAIN BRANCHED POLYPROPYLENE SUPERCRITICAL CARBON-DIOXIDE CONTROLLED RADICAL POLYMERIZATION ISOTACTIC POLY(PROPYLENE) SEMICRYSTALLINE POLYMERS CRYSTALLIZATION KINETICS OLEFIN POLYMERIZATION PHASE-SEPARATION POLYOLEFIN BLEND SOLID-STATE
ISSN号	0032-3861
通讯作者	tang t
中文摘要	several polypropylene-g-polystyrene (pp-g-ps) and polypropylene-g-poly(n-butyl acrylate) (pp-g-pnba) graft copolymers with well-defined molecular structures, basing on the same pp-br precursor, were synthesized via a combination of metallocene-catalyzed polymerization and atrp. the structure -property relationships of the resultant graft copolymers were systematically investigated. the crystallization temperatures of the obtained pp-g-ps and pp-g-pnba graft copolymers decreased first and increased then with the enhancement of branch lengths. compared to pp-br, the introduction of ps or pnba branches onto pp backbones both led to increased eta(0), more pronounced shear-thinning behavior, elevated value of g' at low shear frequencies, and reduced loss angle. under the same foaming conditions, the resulting pp-g-ps and pp-g-pnba foams exhibited closed cell structure, increased cell density, and uniformized cell size distribution compared to the pp-br foam. the cell density of pp-g-ps foam increased first and decreased then with the enhancement of branch length, and the cell size increased as the branch length increased. however, the cell density of the obtained three pp-g-pnba foams was almost the same regardless of the pnba branch length, and the cell size decreased first and increased then with increasing the branch length. (c) 2013 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:000320679600027
公开日期	2014-04-15
内容类型	期刊论文
源URL	[http://ir.ciac.jl.cn/handle/322003/49818]
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	Wang L,Yang HF,Tan HY,et al. Synthesis and structure-property relationships of polypropylene-g-polystyrene and polypropylene-g-poly(n-butyl acrylate) graft copolymers with well-defined molecular structures[J]. polymer,2013,54(14):3641-3653.
APA	Wang L.,Yang HF.,Tan HY.,Yao K.,Gong J.,...&Tang T.(2013).Synthesis and structure-property relationships of polypropylene-g-polystyrene and polypropylene-g-poly(n-butyl acrylate) graft copolymers with well-defined molecular structures.polymer,54(14),3641-3653.
MLA	Wang L,et al."Synthesis and structure-property relationships of polypropylene-g-polystyrene and polypropylene-g-poly(n-butyl acrylate) graft copolymers with well-defined molecular structures".polymer 54.14(2013):3641-3653.