松香中枞酸型树脂酸在酸作用下变化规律的研究

doi:10.3969/j.issn.0253-2417.2015.03.013

Abstract

Abstract: Slash pine (P.elliottii) rosin and masson pine (P.massoniana) rosin were treated using different type of acids at different time.The variation relationships of abietic-type acids were analyzed through the content changes of abietic-type acids and dehydroabietic acid.The results showed that isomerization took place among palustric acid,abietic acid and neoabietic acid,and at the same time dehydrogenation and decarboxylation occurred under acid treatment.The rates of isomerization,dehydrogenation and decarboxylation were affected by the type of acid,acid strength and treating time.With the increase of acid strength,the speed of isomerization,dehydrogenation and decarboxylation increased.

Key words: rosin, abietic-type acids, isomerization, dehydrogenation

CLC Number:

TQ35

GU Yan, CHEN Yu-xiang, ZHAO Zhen-dong, LI Dong-mei, BI Liang-wu, WANG Jing. Variations Relationship of Abietic-type Acids under Acid Treatment[J]. Chemistry and Industry of Forest Products, 2015, 35(3): 73-79.

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Variations Relationship of Abietic-type Acids under Acid Treatment

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