聚合松香基环氧树脂的合成与表征

›› 2008, Vol. 28 ›› Issue (5): 40-44.

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Synthesis and Characterization of Polymerized Rosin Epoxy Resin

HUANG Huo-yang^1,2, HA Cheng-yong¹, LI Yin-wen^1,2, SHEN Min-min¹

1. Guangzhou Institute of Chemistry, Chinese Academy of Sciences, Key Lab. of Cellulose and Lignocellulosics Chemistry, Guangzhou 510650, China;2. Graduate School of Chinese Academy of Sciences, Beijing 100039, China

Received:2007-11-19 Revised:1900-01-01 Online:2008-10-30 Published:2008-10-30

Abstract

Abstract: Polymerized rosin epoxy resin was synthesized by esterification and ring-closing reaction of polymerized rosin and epichlorohydrin. The product was identified by FT-IR and ¹H NMR spectrometries. The influencing factors of product properties were discussed emphatically. The suitable reaction conditions were as follows:mole ratio of polymerized rosin to epichlorohydrin 1:8,reaction temperature 75℃,reaction time 8h. The product had following properties:epoxy value 0.19mol/100g, viscosity (at 30℃) 30.8Pa·s, and acid value 0.2mg/g. This novel epoxy rosin had a rigid polycyclic structure, which would enrich the varieties of epoxy resin,widen the application range of rosin and increase the additional value of rosin.

Key words: polymerized rosin, epoxy resin, epoxy value, viscosity

CLC Number:

TQ351.47

HUANG Huo-yang;HA Cheng-yong;LI Yin-wen;SHEN Min-min. Synthesis and Characterization of Polymerized Rosin Epoxy Resin[J]. , 2008, 28(5): 40-44.

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Synthesis and Characterization of Polymerized Rosin Epoxy Resin

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