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Control interfacial properties and tensile strength of glass fibre/PP composites by grafting poly(ethylene glycol) chains on glass fibre surface
Liu, ZY (Liu, Zeyu); Hao, B (Hao, Bin); Zhang, YG (Zhang, Yagang)
2015
Source PublicationRSC ADVANCES
ISSN2046-2069
Volume5Issue:51Pages:40668-40677
Abstract

To control the interphase properties of glass fibre/PP composites, poly(ethylene glycol) (PEG) chains with different average molar mass ((M) over bar (w)) were grafted onto the glass fibre surface by treating the fibres with gamma-APS, HDI and PEG stepwise. The interfacial adhesion of composites was studied as a function of the (M) over bar (w) of PEG chain grafted on the glass surface. The contact angle measurement, ATR-FTIR, XPS and AFM analysis for the grafted glass fibres (GFs) proved that the PEG chains were grafted onto the GF surface successfully. The increasing roughness of the GF surface confirms that the lengths of the grafted chains grow as the (M) over bar (w) of PEG increases. The single fibre strength was measured and the data were analyzed by using the two-parameter Weibull model. The results showed that the grafting of PEG on the GF surface lead to a slightly reduced tensile strength and Weibull modulus. The tensile strength of the unidirectional GF reinforced PP composites was tested from 90 degrees and 0 degrees off-axis. It is found that grafting PEG chains onto the GF surface by this three-stage method is an effective means to improve the interfacial adhesion and transverse and longitudinal tensile properties of GF/PP composites. The results showed that as the (M) over bar (w) of PEG increased, the interfacial adhesion of the composites improved.

DOI10.1039/c5ra05491e
Indexed BySCI
WOS IDWOS:000354212300023
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.xjipc.cas.cn/handle/365002/4882
Collection资源化学研究室
Corresponding AuthorZhang, YG (Zhang, Yagang)
Affiliation1.Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Urumqi 830011, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Xinjiang Inst Engn, Dept Chem & Environm Engn, Urumqi 830023, Peoples R China
4.Urumqi Longcheng Ind Co Ltd, Urumqi 830022, Peoples R China
Recommended Citation
GB/T 7714
Liu, ZY ,Hao, B ,Zhang, YG . Control interfacial properties and tensile strength of glass fibre/PP composites by grafting poly(ethylene glycol) chains on glass fibre surface[J]. RSC ADVANCES,2015,5(51):40668-40677.
APA Liu, ZY ,Hao, B ,&Zhang, YG .(2015).Control interfacial properties and tensile strength of glass fibre/PP composites by grafting poly(ethylene glycol) chains on glass fibre surface.RSC ADVANCES,5(51),40668-40677.
MLA Liu, ZY ,et al."Control interfacial properties and tensile strength of glass fibre/PP composites by grafting poly(ethylene glycol) chains on glass fibre surface".RSC ADVANCES 5.51(2015):40668-40677.
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