rosin ester是什么意思

网络释义

用法例句

This emulsion is consisted of paraffin wax10,138rosin ester gum7,422rosin modified maleic rosin7,nonionic surfactant 4.

采用转相温度法,以三种非离子表面活性剂作乳化剂,乳化制得O/W型石蜡-松香酸酯稳定乳状液,其中含有石蜡10份、138甘油松香树脂7份、422甘油失水苹果酸松香树脂7份、非离子表面活性剂4。

The Presence Application and Developing of Resin Industry;

松香工业的现状、应用和发展

Study on Modification of Octyl-phenolic Resin by Rosin;

松香改性辛基酚醛树酯的研究

Abietic type resin acid is the main ingredient of rosin.

松香是我国重要的生物质资源,枞酸型树脂酸是松香的重要成分,它们的分离提纯及其衍生物的合成与生物活性研究对于开发松香深加工产品具有重要意义。

Synthesis of rosin-[(2-acryloyloxy) ethyl] ester;

松香丙烯酸乙二醇酯的合成研究

Lumping kinetic model for catalytic disproportionation of rosin on Pd/C;

Pd/C上松香催化歧化反应集总动力学

A study on the preparation and application of cationic rosin neutral sizing agent;

阳离子松香中性施胶剂的制备及应用

Investigation on gum rosin quality in Fujian and suggestion on its quality improvement;

福建省脂松香质量调查与提高质量的建议

The gas chromatography quantitative analysis conditions of gum rosin were studied by selection of chromatographic columns and chromatographic resolution conditions with the pure rosin sample of P.

用纯思茅松松香样品,通过选择色谱柱和色谱分离条件,研究确定了脂松香气相色谱定量分析的条件,定量分析了松香树脂酸的相对百分含量;定量分析数据通过统计学中的Grubb′s检验法进行误差检验,在确定的条件下脂松香气相色谱定量分析结果具有稳定性、准确性和复现性结果;对马尾松、湿地松松香定量分析也取得同样结果。

State on quality of Chinese gum rosin from 1995 through 2002 was investigated in detail.

　从各种不同渠道详细调查了1995年至2002年中国脂松香的质量状况。

Advances in preparation of rosin and rosin ester emulsion;

松香和松香酯乳液制备的研究进展

In this paper, linear rosin ester sizer was synthesized from modified rosin and diethylene glycol.

本文以改性松香和二甘醇为原料,合成线性松香酯。

A new emulsifier (SX-1) for emulsifying rosin ester was prepared from rosin as origin material.

以松香为原料制备松香酯专用乳化剂SX - 1,并探讨用其制备松香酯乳液的工艺 ,研究各种影响因素如乳化剂的用量、添加方式、离子型表面活性剂与助乳剂的选择、转相过程的操作条件等对乳液稳定性的影响 ,提出了合理的工艺条件。

In the presence of alkaline soap as emulsifier and catalyst, hydrogenated rosin sucrose esters (HRSE) were synthesized by transesterification reaction of hydrogenated rosin ethyl ester and sucrose under the conditions of (125±1)℃,molar ratio of hydrogenated rosin ethyl ester to sucrose 1 ∶1, pressure 0.

090MPa及无溶剂的条件下,通过氢化松香乙酯与蔗糖的酯交换反应合成了氢化松香蔗糖酯(HRSE)。

The hydrogenated rosin (HR) and hydroxyethyl methacrylate (HEMA) based ester was synthesized in one step method.

用一步法制备了氢化松香与甲基丙烯酸β-羟乙酯(HEMA)酯化物,结果表明,以对苯二酚为阻聚剂,氧化锌为催化剂,用量为氢化松香的1%,反应温度240℃,氢化松香与HEMA的摩尔比为1∶1。

By analyzing a plenty of practical production data,suitable conditions for controlling the product color during the production of hydrogenated rosin are concluded to be super grade rosin as raw material,melting time 5h and melting temperature 130150,molten rosin flow rate 400L/h,reaction temperature 240250.

另外还应尽量减少反应系统中的CO、CO2、SO2、重金属离子的含量,避免有色油类和空气进入反应系统,最后对产品进行水蒸气蒸馏,能得到颜色较浅的氢化松香产品。