Effects of different catalysts on the structure and properties of polyurethane/water glass grouting materials

Wiley - Tập 135 Số 27 - 2018
Qian Zhang1, Xiangming Hu1, Mingyue Wu1, Yan‐Yun Zhao2, Chuang Yu3
1Key Lab of Mine Disaster Prevention and Control, College of Mining and Safety Engineering, Shandong University of Science and Technology, Qingdao, Shandong 266590, China
2College of Chemical and Environmental Engineering, Shandong University of Science and Technology, Qingdao 266590, China
3College of Mining Engineering, Taiyuan University of Technology, Taiyuan, Shanxi 030024, China

Tóm tắt

ABSTRACTPolyurethane/water glass (PU/WG) grouting materials were prepared in presence of different proportions of catalyst. The effects of catalyst on the mechanical properties, thermal properties, and chemical cross‐sectional morphologies of the grouting materials were also investigated. Catalyst addition can significantly increase the chemical reaction rate, reduce the gel time and curing time, and improve the thermal stability of PU/WG grouting materials. It was found that the grouting material containing 0.1 wt % BDMA + 0.1 wt % DBTDL demonstrated high fluidity, short curing time, and high early‐stage and late‐stage (up to 66.1 MPa) compression strengths. However, when the content of the added catalyst was equal to 0.5 wt %, fine cracks were formed in the material structure accompanied by the detachment of spherical particles from the PU matrix, which significantly deteriorated its mechanical properties. © 2018 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 46460.

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Tài liệu tham khảo

10.1016/j.powtec.2017.09.044

10.1016/j.psep.2016.12.005

10.1016/j.ijhydene.2017.04.192

10.1016/j.psep.2017.10.023

10.1016/j.expthermflusci.2017.10.002

Liu W. T., 2017, Mine Water. Environ., 4, 1

10.1016/j.ijrmms.2016.11.015

10.1520/GTJ20160090

10.1144/qjegh2017-041

10.1016/j.ijrmms.2015.03.025

Zhao T. B., 2017, Eng. Geol. Environ., 1

10.1016/j.jhazmat.2017.04.031

Chen S. J., Int. J. Eng. Sci.,

10.1002/jctb.5291

10.1016/j.apt.2017.11.007

10.1016/j.powtec.2018.01.064

10.1520/GTJ20160156

10.1016/j.coal.2008.05.018

10.1007/s12404-008-0080-7

10.1016/j.proenv.2011.12.233

10.1016/j.tust.2018.01.013

10.1016/j.conbuildmat.2013.09.050

Zhang Z., 2014, Jiangxi Coal Sci. Technol., 25

Feng Z. Q., 2009, J. Yangtze River Sci. Res. Inst., 26, 60

10.1016/j.fuel.2017.09.007

10.1177/0954008318758489

Yang L., 2014, Bull. CCS, 33, 97

10.1002/pc.23411

10.1007/s10853-013-7838-z

10.1016/j.conbuildmat.2015.03.067

Shi H., 2004, J. Chem. Mater. Constr., 42

10.1016/j.conbuildmat.2012.09.088

10.1016/j.matdes.2013.05.068

10.1016/j.conbuildmat.2010.02.004

Shan C. B., 2011, Build. Sci., 27, 48

Mo J., 2009, Eng. Plast. Appl., 37, 52

10.1080/00218464.2012.694302

10.1002/pen.24119

10.1002/app.23306

10.1016/j.conbuildmat.2017.01.113

10.1007/s10973-016-5454-2

10.1016/j.conbuildmat.2016.04.112

10.1016/j.conbuildmat.2013.10.005

10.1016/j.compscitech.2005.02.017

10.1016/j.eurpolymj.2007.06.031

10.1016/j.cej.2011.04.004

10.1016/j.polymer.2008.07.057

10.1016/j.polymer.2005.10.049

10.1061/(ASCE)MT.1943-5533.0001954

10.1007/BF02697963

Issam A. M., 2011, Polym. Sic., 53, 52

Bechara I. S.Ph.D. Thesis Air Products and Chemical Inc. Linwood PA 1981.

GB/T7193.6–1987 Chinese Specification Unsaturated Polyester Resin Determination of Gel Time at 25 °C;1987.

GB/T 2567‐2008 Chinese Specification. Test Methods for Properties of Resin Casting Body;2008.

ASTM C348‐14 Standard Test Method for Flexural Strength of Hydraulic Cement Mortars;2014.

Adams R. D., 2002, Adhesion Sci. Eng., 111

GB/T 6343‐2009 Chinese Specification. Foams and Rubber—Determination of Apparent Density;2009.

10.1016/j.cej.2017.05.013

Liu Y. J.Polyurethane Resin and Its Application 2002; Chapter 2 pp26–35.

Tang Q., 2017, Int. J. Polym. Anal. Charact., 1

10.1177/096739111702500803

10.1016/j.matdes.2016.03.005

Yang Z., 2014, Polym. Compos., 584, 1818

10.1007/s11663-014-0041-z

10.1007/s12613-015-1136-5

10.1016/j.seppur.2011.05.022

10.1021/ed083p1746

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Tập 135 Số 27

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