A facile route for preparing stable co-continuous morphology of LLDPE/PA6 blends with low PA6 content

doi:10.1016/j.polymer.2010.08.023

CORC > 化学研究所 > 中国科学院化学研究所

	A facile route for preparing stable co-continuous morphology of LLDPE/PA6 blends with low PA6 content
	Shi, Hengchong 2; Shi, Dean 1,3; Wang, Xiaoyang 1; Yin, Ligang 2; Yin, Jinghua 2; Mai, Yiu-Wing 3
刊名	POLYMER
	2010-10-01
卷号	51 期号:21 页码:4958-4968
关键词	Lldpe Pa6 Co-continuous Morphology
ISSN号	0032-3861
DOI	10.1016/j.polymer.2010.08.023
英文摘要	A facile method is employed to prepare a series of LLDPE/PA6 blends with co-continuous morphology with low PA6 content via reactive extrusion. In these blends, co-continuous morphology is obtained by introducing graft copolymers with both high and low molecular weight trunk chains to the interface simultaneously. Maleic anhydride functionalized polybutadine (PB-g-MAH, (M) over bar (n) approximate to 3000g/mol and MAH content = 10 wt%) is first melt grafted onto the LLDPE backbones with dicumyl peroxide (DCP) as an initiator. Part of PB-g-MAH is grafted onto LLDPE to form LLDPE-g-PB-g-MAH copolymer. During reactive extrusion, in-situ formed Copolymer II (polybutadiene-graft-polyamide, PB-g-PA6) with a low molecular weight trunk chain (PB) is obtained from the reaction between the maleic anhydride group of free or non-grafted PB-g-MAH and the amino group on PA6 molecules; while Copolymer I (LLDPE-g-PB-g-PA6) is obtained via the reaction between the maleic anhydride group of the grafted PB-g-MAH (i.e., LLDPE-g-PB-g-MAH) and the amino group of PA6. Copolymer I with a high molecular weight trunk chain, LLDPE, should strengthen the interface and favor stress transfer, enabling the deformation of PA6; and Copolymer II (PB-g-PA6) with a low molecular weight trunk chain, PB, facilitates the formation of a flat interface between LLDPE and PA6, thus promoting an elongated PA6 phase. Therefore, co-continuous morphology of LLDPE/PA6 blend is successfully prepared with only 25 wt% PA6 by controlling suitable amounts of Copolymers I and II in the blend. (C) 2010 Elsevier Ltd. All rights reserved.
语种	英语
出版者	ELSEVIER SCI LTD
WOS记录号	WOS:000282354500035
内容类型	期刊论文
源URL	[http://ir.iccas.ac.cn/handle/121111/70205]
专题	中国科学院化学研究所
通讯作者	Shi, Dean
作者单位	1.Hubei Univ, Fac Mat Sci & Engn, Minist Educ, Key Lab Green Preparat & Applicat Funct Mat, Wuhan 430062, Peoples R China 2.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China 3.Univ Sydney, Sch Aerosp Mech & Mechatron Engn, Ctr Adv Mat Technol, Sydney, NSW 2006, Australia
推荐引用方式 GB/T 7714	Shi, Hengchong,Shi, Dean,Wang, Xiaoyang,et al. A facile route for preparing stable co-continuous morphology of LLDPE/PA6 blends with low PA6 content[J]. POLYMER,2010,51(21):4958-4968.
APA	Shi, Hengchong,Shi, Dean,Wang, Xiaoyang,Yin, Ligang,Yin, Jinghua,&Mai, Yiu-Wing.(2010).A facile route for preparing stable co-continuous morphology of LLDPE/PA6 blends with low PA6 content.POLYMER,51(21),4958-4968.
MLA	Shi, Hengchong,et al."A facile route for preparing stable co-continuous morphology of LLDPE/PA6 blends with low PA6 content".POLYMER 51.21(2010):4958-4968.