无规则羧基丁腈橡胶改性环氧树脂的制备及性能研究

doi:10.3969/j.issn.1673-5854.2013.06.001

›› 2013, Vol. 47 ›› Issue (6): 1-5.doi: 10.3969/j.issn.1673-5854.2013.06.001

• 研究报告 • Next Articles

Preparation and Properties of Random Carboxylated Butadiene Nitrile Rubber Modified Epoxy Resins

CHANG Xia, NIE Xiao-an, WANG Yi-gang, CHEN Jie, LI Ke

Institute of Chemical Industry of Forest Products, CAF; National Engineering Lab. for Biomass Chemical Utilization; Key and Open Lab. of Forest Chemical Engineering, SFA, Key Lab. of Biomass Energy and Material, Jiangsu Province, Nanjing 210042, China

Received:2013-07-12 Revised:1900-01-01 Online:2013-11-30 Published:2013-11-30

Abstract

Abstract: The preparation of epoxy resin modified by random carboxylated butadiene nitrile rubber and the properties of its cured products were studied in this paper. By infrared spectrum and chemical analysis, the effects of catalyst dosage, reaction temperature and reaction time on the properties of modified epoxy resin were discussed. Through the analysis of the mechanical properties of the cured products, the modified epoxy resin and its application were evaluated. The results showed that the modified product of epoxy value 0.40 and viscosity 90-95 Pa·s were obtained under conditions of mass proportion of epoxy resin:RCBN:catalyst 100:15:0.3, reaction temperature 120 ℃ and reaction time 3 h. The shear strength and elongation at break of the cured products of modified epoxy resin modified amine 411 were 18.41 MPa and 4.41%, respectively. The random carboxylated butadiene nitrile rubber had obvious toughening effect on epoxy resin.

Key words: random carboxylated butadiene nitrile rubbe(RCBN), epoxy resin(EP), modification, properties

CLC Number:

TQ35

CHANG Xia;NIE Xiao-an;WANG Yi-gang;CHEN Jie;LI Ke. Preparation and Properties of Random Carboxylated Butadiene Nitrile Rubber Modified Epoxy Resins[J]. , 2013, 47(6): 1-5.

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Preparation and Properties of Random Carboxylated Butadiene Nitrile Rubber Modified Epoxy Resins

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