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- cyclized oligomer 环化低聚物
- Cyclized polyisoprene was synthsized from polyisoprene with p-toluenesulfonic acid as catalyst. 以聚异戊二烯为原料,在对甲苯磺酸的催化作用下制备环化聚异戊二烯。
- Explain how this information can be used to determine the number of polypeptide chains in an oligomer protein. 请解释次信息如何用于确定一个寡聚体蛋白的肽链数目。
- The prparation means of cyclized rubbers were reviewed and the cation cyclized mechanism was discussed. 综述了几种环化橡胶的制备方法,讨论了阳离子环化机理引起的制备方法的差异。
- The effects of the composition and molecular weight of the HDI oligomer on the properties of coating film were studied. 通过改变HDI齐聚物合成反应的条件，探讨了齐聚物的组成和分子量对涂膜性能的影响。
- Endo and exo cycloaddition products (15)( 16) were obtained when (14) was cyclized by the catalysis of BF_3.Et_2Oat room temperature. Lewis acid(BF3.;Et2O)催化化合物(14)进行IMDA反应，分离得到endo和exo两种环合产物，(15)和(16)；
- Homopiperazine was synthesized by using diethylamine as starting material via three step reaction of tosylation,cyclized and detosylation. 以乙二胺为初始原料,经磺酰化、环化、脱磺酰化3步反应合成高哌嗪,总收率可达78%25。
- Both ESEM and XPS measurements proved that the nylon 6 oligomer was grafted onto the surface of Kevlar fiber. ESEM和XPS分析表明,Kevlar纤维表面接枝上了尼龙6低聚物。
- This paper introduced the preparation of barium salt of sulfo-phosphorized polypropylene from propylene oligomer. 本文介绍用低分子聚丙烯制取硫磷化聚丙烯钡盐的方法。
- Peptides are short oligomer and polymer substances made up of two or more amino acids linked in a chain. 肽是短的寡聚物或两个及以上氨基酸连接成的肽链组成的聚合体。
- Styrene butadiene rubber (SBR) was cyclized with the aid of cationic catalyst system based on diethylaluminum chloride(Al) and benzyl chloride(RCl). 应用一氯二乙基铝和苄基氯催化剂体系进行了丁苯橡胶的阳离子环化反应。
- The still not solved oligomer problem during further processing of dyed PET fibers is as old as the fiber itself. 着色聚酯纤维在进一步处理加工中的低聚物问题与纤维本身一样古老,至今仍未解决。
- The effects of oligomer and diluent on the shrinkage of curing system were discussed. 讨论了齐聚物及稀释剂对固化体系收缩率的影响。
- A modified oligomer has been prepared by the reaction of epoxidized soybean oil acrylate with maleic anhydrede. 用马来酸酐和环氧豆油丙烯酸酯反应,制成一种改性齐聚物。
- The formulation and manufacturing process of hydroxyl acrylic resin and polyester oligomer were given. 介绍了羟基丙烯酸树脂、聚酯齐聚物的配方和制法。
- The process of synthesis and main influence factors of the oligomer of aliphatic polyurethane is introduced. 介绍了脂族聚氨酯齐聚物的合成工艺及主要影响因素;
- Comparing with polyurethane, the prospects of the applications of isobutene telechelic oligomer are presented. 并与聚氨酯材料相比较;说明了聚异丁遥爪预聚物的主要应用前景。
- By the modification of hexamethylene diisocyanate (HDI),a new curing agent HDI oligomer was prepared. 合成了以HDI改性的烯类单体齐聚物。
- The developments of hybrid oligomer,waterborne oligomer and over branched oligomer are introduced especially. 详细介绍了环氧丙烯酸酯、聚酯丙烯酸酯、聚氨酯丙烯酸酯类齐聚物的研究。
- The skeleton of sensors include monomer and oligomer of coumarin, gold nanoparticle and silica nanoparticle. 一旦使感测器分子与分析蛋白质结合，可藉由所设计的信号读出，达到辨识侦测效果。
