Preparation and Properties of Unsaturated Polyester Resin Sheet Molding Compound

doi:10.11944/j.issn.1000-0518.2018.10.170355

Chinese Journal of Applied Chemistry ›› 2018, Vol. 35 ›› Issue (10): 1222-1226.DOI: 10.11944/j.issn.1000-0518.2018.10.170355

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Preparation and Properties of Unsaturated Polyester Resin Sheet Molding Compound

CHEN Mingfeng^a^b^*(),LIU Yuhui^a^b,FAN Xianmou^a^b,YANG Songwei^a,LIN Jinhuo^a^b,LIU Canpei^a^b,HUANG Haibin^a

^aQuangang Petrochemical Research Institute of Fujian Normal University,Quanzhou,Fujian 362801,China
^bFujian Key Laboratory of Polymer Materials,College of Chemistry and Materials Science,Fujian Normal University,Fuzhou 350007,China

Received:2017-09-27 Accepted:2018-01-05 Published:2018-10-01 Online:2018-10-09
Contact: CHEN Mingfeng
Supported by:
Supported by JK Project of Education Department of Fujian Province(No.JK2017010);the Key Research and Development Platform of Polyresin Functionalization Technology of Fujian Province(No.2014H2003)

Abstract

Abstract:

The unsaturated polyester resin sheet molding compound(UP-SMC) products were prepared by compression molding. The mechanical properties, thermal stability and flame retardant performance of UP-SMC products were characterized by the universal testing machine, thermogravimetric analysis, dynamic mechanical analysis, limiting oxygen index and nanoindentation technology. The results show that the bending strength and impact strength of UP-SMC products are up to 203.4 and 94.2 MPa, respectively, and the micromechanical properties are different from resin to fiber phases. The glass transition temperature is 169.4 ℃, the temperature at 5% mass loss(T_d5) and maximum mass loss rate(T_dmax) are 333.5 and 389.7 ℃, respectively. The residue at 600 ℃ is up to 75%, but the limiting oxygen index is only 25.7%, indicting that the prepared UP-SMC products have excellent mechanical and thermal stability properties.

Key words: sheet molding compound, compression molding, mechanical properties, thermal stability

CHEN Mingfeng, LIU Yuhui, FAN Xianmou, YANG Songwei, LIN Jinhuo, LIU Canpei, HUANG Haibin. Preparation and Properties of Unsaturated Polyester Resin Sheet Molding Compound[J]. Chinese Journal of Applied Chemistry, 2018, 35(10): 1222-1226.

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Preparation and Properties of Unsaturated Polyester Resin Sheet Molding Compound

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