PC的回收:使用温和解聚聚碳酸酯基盘的方法。
Recycling PC: Using the temperate method to depolymerize PC.
本发明是关于酯基硫化锡稳定化合物及其制备方法和应用。
The present invention relates to an ester-based stannic sulfide stable compound and its preparation method and application.
制备并得到了三种基于二乙酯基甘脲的手性分子夹的晶体结构。
The X-ray crystal structures of three chiral molecular clips based on diethoxycarbonyl glycoluril were obtained.
下述的清漆,塑料,密封件以及橡皮管都可适用我们的酯基合成油。
The following paints, plastics, and seal and hose materials are recommended for use with our ester-based synthetic lubricants.
含不同增塑剂的推进剂的燃速随增塑剂中硝酸酯基含量的增加而增加;
The more nitrate ester group, the higher the combustion rate of propellant with different plasticizers;
本文合成了侧链上带有酰胺基、羧基、酯基和羟基的水溶性聚丙烯酸树脂。
A water soluble acrylic coatings with amide, carboxyl, ester and hydroxyl group on side-chain have been synthesized.
D1821对织物白度有较大的影响,而酯基季铵盐对织物白度的影响不大。
D1821 has a remarkable adverse effect on fabric whiteness as opposed to esterquats.
之后,经引入手性试剂,双键还原,氢解,水解酯基得到目标产物的合成路线。
The target molecule was synthesized through using chiral reagent, reduction of double bond, hydrogenolysis and hydrolysis of ester group.
本发明可以应用于包括水解、酯化、酯基转移、酯交换或酰化反应的任意方法中。
The present invention may have application in any process involving hydrolysis, esterification, transesterification, interesterification or acylation reactions.
扩链剂是用来将聚二甲基硅氧烷两端活性较弱的羟基转变为高活性的异氰酸酯基。
The chain extender is used to convert the low-activity hydroxy groups of both ends of the polydimethylsiloxane into high-activity isocyanate groups.
用含有异氰酸酯基的预聚体对热塑性淀粉材料(T PS)表面进行了疏水化处理。
The surface of thermoplastic starch(TRS) is hydrophobicated with prepolymers having —NCO groups.
通过紫外光引发甲基丙烯酸甲酯的接枝聚合,在聚丙烯膜表面引入了反应性基团酯基。
The surface of polypropylene microporous membranes was activated by the graft polymerization of methyl methacrylate initiated with ultraviolet-photo.
最后,当然,利息的主要反应是异氰酸酯基和羟基的聚酯或聚醚组反应形成聚氨酯组。
Lastly, of course, the main reaction of interest is the formation of urethane groups by reaction of isocyanate groups and hydroxy - groups of the polyester or polyether.
研究了作为新型水显影阻焊剂组分的含丙烯酸酯基及季铵碱基的酚醛树脂的各种感光条件。
A new water developable, photosensitive phenolic resin containing quaternary ammonium hydroxide groups and acrylate groups(AQHPR) was synthesized.
此类柴油流动改进剂的酯基侧链碳数分布和柴油的正构烷烃分布是影响其效果的主要因素。
It is indicated that the performance of the flow improver is influenced by the carbon distribution of the alkyl ester and then paraffin distribution of the diesel.
将涤纶废产物用二甘醇和三元醇经酯基转移合成齐聚酯多元醇,并用其制备聚氨酯硬质泡沫塑料。
A study was conducted to synthesize oligoester alcohols from poly (ethylene terephthalate) production wastes via transesterification with diethylene glycol and tribasic alcohol.
用对甲苯磺酸酸式水解烃羧酸甲酯基和烃羧酸高碳醇酯基双官能基硅油,并和碱性水解的效果比较。
The modified silicone was hydrolysed by toluene-p-sulfonic acid, and the hydrolysis ratios in acid and base were compared.
介绍了阳离子表面活性剂在织物柔顺剂市场的应用,尤其是环境友好型的酯基季铵盐的性能及应用。
The application situation of cationic surfactant in textile softener, especially the application and properties of the esterquats were introduced.
并对制得的二酯基磁性液体饱和磁化强度、密度、粘度、稳定性和粒子直径等性能参数进行表征实验。
The experiments were carried on the synthesized diester-based magnetic fluids to characterize their saturation magnetization, density, viscosity, stability and the diameter of particles.
实验结果表明,聚丙烯酸类树脂与同时含丙烯酸单元和酯基的树脂分别配合不同的染料使用效果较好。
Results showed that the resins containing acrylic acid and ester unit have good combined properties and compatibility with different IR dyes.
通过添加由端羟基丁二烯——丙烯腈共聚物(HTBN)制得的端异氰酸酯基预聚物,可改性环氧树脂。
Modified epoxy resin was produced by adding the isocyanate-terminated prepolymer obtained from hydroxy-terminated butadiene-acrylonitrile copolymer (HTBN).
结果表明:单酯基季铵盐、双酯基季铵盐和三酯基季铵盐易生物降解,13天后降解度都在90%以上;
The results showed that EQ could be biodegraded readily and completely. More than 90% EQ can be degraded in 13 days.
同样的道理我们建议人们不要使用聚碳酸酯基的奶瓶,孕妇也就避免接触此类热敏纸,或者接触过后要洗手。
In the same way we advise people not to use polycarbonate-based baby bottles, it would be smart to advise pregnant women to avoid or wash their hands after touching these sorts of papers.
酯酶可以催化涤纶大分子中的酯基水解,为疏水性的涤纶引入亲水性基团,明显提高涤纶的润湿性及手感。
Esterase could catalyze the hydrolysis of ester group in the polyester macromolecular and introduce hydrophilic group into the hydrophobic PET...
通过对该合聚物的IR和NMR谱图分析,得知该聚合物含有酯基和酮基的结构单元,以及环缩醛的侧链。
The IR and NMR spectra of the polymers indicated that the polymer structure contained ester and ketone units in the backbone, and a cyclic acetals as side chain.
涂敷导电底材的方法,含水涂料组合物,含氨基甲酸乙酯基加合物的制备方法及含氨基甲酸乙酯基的加合物。
Process for coating electrically conductive substrates, aqueous coating composition, process for preparation of adduct containing urethane groups and adduct containing urethane groups.
从蓖麻油分子中羟基、酯基、烯键等官能团的化学反应出发,对种类繁多的蓖麻油化学品加工技术进行综述归类。
Many kinds of chemicals were made from castor oil. There production techniques were summarized and classified according to the reactions of hydroxy, ester group and olefinic bond.
该方法用于聚氨酯中微量游离异氰酸酯基的测定,相对标准偏差小于5%,具有简便、快速、准确、可靠的特点。
The relative standard deviation (RSD) of this method is less than 5 % and this method has been used to determine trace amounts of n...
异氟酸酯、多元醇、硅烷等原材料的选择以及异氰酸酯基与羟基的配比是影响S PU密封胶性能的主要因素。
The selection of raw materials such as iso- cyanate, polyol and silicone etc, and the ratio of isocyanate and hydroxy are the main factors affecting the properties of SPU sealant.
异氟酸酯、多元醇、硅烷等原材料的选择以及异氰酸酯基与羟基的配比是影响S PU密封胶性能的主要因素。
The selection of raw materials such as iso- cyanate, polyol and silicone etc, and the ratio of isocyanate and hydroxy are the main factors affecting the properties of SPU sealant.
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