水性环氧树脂乳化沥青在高温、低温和浸水条件下的粘结性能

doi:10.11896/j.issn.1005-023X.2018.10.028

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Abstract The present work made a successful endeavor to prepare a favorable pavement adhesive layer material —waterborne epoxy resin emulsified asphalt (WEREA), by modifying the emulsified asphalt through the cross-linking reaction between curing agent and waterborne epoxy resin (WER), the latter of which served as the modifier. We then conducted a comparative analysis with respect to the adhesion performances under high-temperature, low-temperature and water-immersion environments via the shear test and pullout test (with various testing temperature, interlayer texture and water immersion duration) upon the ordinary emulsified asphalt, SBS modified emulsified asphalt, and the resultant WEREAs differing in WER content. The results showed that the interlayer performance of WEREA improves considerably with the increase of WER contents. The higher temperature could lead to the decaying shear strength and pullout strength, both of which are superior to those of the ordinary emulsified asphalt and SBS modified emulsified asphalt. Our experiment suggested the conspicuous positive influence of the WER’s cross-linking effect to the interlayer material’s strength and the interlayer adhesion, and in consequence, the deceleration of the water-immersion-induced decline in WEREA’s adhesion, and the adhesive material’s water stability is improved significantly.

Key words： road engineering waterborne epoxy resin curing agent emulsified asphalt adhesion performance high tempe-rature low temperature water immersion

Published: 25 May 2018 Online: 2018-07-06

CLC number:

U416.217

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	Articles by authors
	LIU Mengmei
	HAN Sen
	PAN Jun
	LI Wei
	REN Wanyan

Cite this article:

LIU Mengmei,HAN Sen,PAN Jun, et al. The Adhesion Performance of a Waterborne Epoxy Resin Emulsified Asphalt: a Study Under High- & Low-temperature and Water-immersion Environments[J]. Materials Reports, 2018, 32(10): 1716-1720.

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https://www.mater-rep.com/EN/10.11896/j.issn.1005-023X.2018.10.028 OR https://www.mater-rep.com/EN/Y2018/V32/I10/1716

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