研究了漆酚树脂吸附茶多酚的动力学和热力学特性。
The kinetic and thermodynamic characteristics of adsorption of urushiol resin were systematically studied for tea -polyphenols (TP).
探讨了漆酚金属盐高分子复合试剂催化酯化反应的情况。
In this paper, study on esterification reaction catalyzed with polymer compound of urushiol and metal salt was studied.
论述了以生漆改性为基础的环氧改性漆酚糠醛树脂的研制。
Abstract Fpoxy modified urushiol-furfural resin based on the modification of Chinese lacquer has been studied.
生漆是从漆树割取的天然液汁,主要由漆酚、漆酶、树胶质及水分构成。
Lacquer is excised from the lacquer natural SAP, which is mainly composed of urushiol, laccase, tree resin and water.
本文还对漆酚类侧链中双键的存在形式,主要组成及变化进行了分析讨论。
Furthermore, the existing form, main composition and their variation of double bond in the side-chain of urushiols were discussed as well.
研究采用漆酚与四氯化锡和四氯化硅制备漆酚硅锡聚合物的方法及其产物特性。
The preparation method and characteristics of urushiol SiSn polymer, which was formed by reacting urushiol with SiCl 4 and SnCl 4, have been studied.
制备出漆酚镧螯合物,测定了其组分、溶解性、红外光谱、自燃点、分解温度等性质。
The composity, solubility, IR spectra, autoignition temperature and decomposition temperature of urushiol lanthanum chelate were determined.
用漆酚树脂固载化三氯化铁高分子催化剂合成醋酸异戊酯,对催化剂进行了红外光谱表征。
Isoamyl acetate was synthesized by urushiol resin immobilized ferric trichloride catalyst in this paper.
由云南镇雄采取新鲜生漆,经丙酮除去漆酚,沸水浴提取,三氯醋酸—正丁醇除杂蛋白,乙醇沉淀。
The urushiol in the extract was removed from lacquer by autoae. The Polysaccharide btained from acetone powder were extracted by boiling water bath.
研究结果指出,双烯漆酚的含量与漆膜性能有关,是决定生漆质量的重要因素,这是生漆认识史上新的进展。
The results show that diolefinic urushiol content influences film properties and is an important factor affecting the quality of chinese lacquer.
结果表明,淀粉作碳源、干酪素作氮源有利于漆酶的分泌,适宜浓度的愈创木酚和香兰素等对漆酶的产生有一定的作用;
The results showed that starch as carbon source, and casein and soybean powder as nitrogen source, o methoxyphenol and vanillin of suitable concentration had good influence on laccase production.
漆酶是一类多酚氧化酶,它能够催化空气中的氧气直接氧化各种酚类、芳胺等芳香类化合物。
Laccase is one of phenoloxidases that catalyze the transformation of a large amount of phenolic and non-phenolic aromatic compounds.
研究表明:由酚渣油树脂所研制的漆料其性能接近松香改性酚醛树脂漆料,其各项技术指标均达到化工部颁标准。
The results show that it is successful and all the technical indexes of the phenolic residue resin coating are in accordance with National Standard.
研究了羧甲基纤维素酶、半纤维素酶、多酚氧化酶、愈创木酚氧化酶和漆酶的酶活性变化。
The enzymes activities of carboxymethyl cellulase, hemicellulase, polyphenol oxidase, guaiacol oxidase, and laccase were studied.
纯化的蓝色漆酶不具有氨酸酶活性,但能够氧化非传统底物酚红。
Purified blue laccase displayed no activity towards tyrosine, but it was able to oxide untraditional substrate phenol red with high high REDOX potential.
利用酚渣油树脂替代酚醛树脂制备漆料,可降低漆料成本,开拓酚渣油树脂的应用范围。
Phenol formaldehyde resin used for coating is synthesized by using phenolic residue resin. The cost of this coating material can be decrease.
利用酚渣油树脂替代酚醛树脂制备漆料,可降低漆料成本,开拓酚渣油树脂的应用范围。
Phenol formaldehyde resin used for coating is synthesized by using phenolic residue resin. The cost of this coating material can be decrease.
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