EFFECT OF REPTATION ON FRACTURE-MECHANICS OF RUBBER NETWORKS

	EFFECT OF REPTATION ON FRACTURE-MECHANICS OF RUBBER NETWORKS
	HE TB ; LIU WL
刊名	polymer
	1991
卷号	32 期号:14 页码:2601-2604
关键词	STRESS-RELAXATION TEAR STRENGTH ELASTOMERS
ISSN号	0032-3861
通讯作者	he tb
中文摘要	end-linked hydroxyl-terminated polybutadiene containing unattached linear polybutadiene was used to study the effect of reptating species on the fracture mechanics of rubber networks. the concentration of reptating species in the networks ranged from 0 to 100%. the fracture mechanics of the networks was described using the critical strain energy release rate in mode iii testing, i.e. the tearing energy. the tearing energy was measured at room temperature using a 'trouser' specimen at a strain rate spanning five logarithmic decades. when the strain rate was as low as 10(-4) s-1, the tearing energy of the networks increased with reduction in reptating species. in this case the reptating species did not contribute to the tearing energy of the networks due to relaxation. hence, the tearing energy increased with the number of crosslinked chains per unit volume in the networks. at a strain rate ranging from 10(-3) to 10(-1) s-1, the tearing energy of the networks was governed by local viscosity. the tearing energies of the networks containing various amounts of reptating species were superimposed to give a master curve based on the williams-landel-ferry equation.
收录类别	SCI收录期刊论文
语种	英语
公开日期	2011-03-03 ; 2011-06-10
内容类型	期刊论文
源URL	[http://ir.ciac.jl.cn/handle/322003/38369]
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	HE TB,LIU WL. EFFECT OF REPTATION ON FRACTURE-MECHANICS OF RUBBER NETWORKS[J]. polymer,1991,32(14):2601-2604.
APA	HE TB,&LIU WL.(1991).EFFECT OF REPTATION ON FRACTURE-MECHANICS OF RUBBER NETWORKS.polymer,32(14),2601-2604.
MLA	HE TB,et al."EFFECT OF REPTATION ON FRACTURE-MECHANICS OF RUBBER NETWORKS".polymer 32.14(1991):2601-2604.