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- butanediol diacrylate 丁二醇二丙烯酸酯
- The domestic and foreign consumption market of 1,4 butanediol has been analyzed. 分析了国内外1,4丁二醇消费情况并展望了未来市场前景;
- Dodecylbenzene sulfonic acid was used as catalyst for the preparation of polyethylene glycol diacrylate. 用十二烷基苯磺酸作酯化催化剂,制备聚乙二醇二丙烯酸酯。
- Synthesis of tetrahydrofuran(THF) from Butanediol(BDO) catalyzed by the acidic resin containing silica was studied. 利用自制的含硅强酸性阳离子交换树脂催化1,4丁二醇脱水合成四氢呋喃的反应。
- The liquid crystal/monomer mixtures are prepared using a ferroelectric liquid crystal and a diacrylate monomer. 液晶/单体混合物由铁电液晶和双丙烯酸单体制成。
- Company BDO is the world's most advanced to calcium carbide acetylene butanediol as raw material production facilities. 公司BDO是全球最先进的以电石乙炔为原料的丁二醇生产装置。
- The synthesis processes of polyethyleneglycol diacrylate cross-linker of the super absorbent polymer were studied. 研究了高吸水性树脂交联剂聚乙二醇双丙烯酸酯的合成工艺。
- Production technology, market prospect and application of 1,4- butanediol are introduced in this paper. 本文介绍了1,4-丁二醇的几种生产技术,市场需求及应用。
- Based on epoxy diacrylate and fural amine/epoxy IPN as binder, an anticorrosive paint with excellent heat and impact resistance is developed. 以环氧丙烯酸酯与呋喃胺/环氧树脂的互穿聚合物网络(IPN)为基料,制备了耐温、抗冲击性能优良的防腐蚀涂料。
- Cross-linked polyglycol diacrylate is a kind of organic polymer, which is envirmental friendly and has a high water absorbency. 交联聚乙二醇二丙烯酸酯是一种高分子聚合物材料,性质温和,吸水性强,其独特的结构和性能使其可能成为漆酶固定化的潜在载体。
- Fermenting liquor containing 2, 3 - butanediol is obtained by Klebsiclla oxytoca fermenting glucose. Commercial MEK is obtained. 利用 Klebsiella oxytoca菌发酵葡萄糖制得2,3-丁二醇发酵液,再将经过离心去除菌体的该发酵液进行蒸馏获得商品级甲乙酮,转化率为99%25以上,收率95%25以上。
- The polyether type polyurethane elastomers based on polyether-polyol, 4,4'-diphenylmethane diisocyanate and 1,4- butanediol were synthesized. 以聚醚多元醇、4,4'-二苯基甲烷二异氰酸酯和1,4-丁二醇为原料合成了聚醚型聚氨酯弹性体。
- With the acrylic acid(AA) and the glycol(EG) as raw materials,Direct etherification method is usded to synthesize the ethylene glycol diacrylate(EGDA). 以丙烯酸(AA)与乙二醇(EG)为原料,采用直接酯化法合成出了二丙烯酸乙二醇酯(EGDA)。
- Here we rough estimate the specific heat of butanediol, and work out the necessary on heal to calculate the area of heater. 本文通过丁二醇的比热估算,利用实验室相关数据,算出反应需热量,求得换热器面积。
- Model hard segments were synthesized using ethyldiol,butanediol and tetragycol,model hard segments ends were reacted with di-n-butylamine. 用乙二醇、1,4-丁二醇、三缩四乙二醇和甲苯二异氰酸酯为原料,以二正丁胺为封端剂合成了几种不同结构的聚氨酯纯硬段模拟化合物。
- A reactive microgel emulsion has been developed by polymerization unsaturated polyester and/or vinyl monomers and tetrapropylene glycol diacrylate as cross - linkable monomer. 采用三缩丙二醇二丙烯酸酯作为交联单体,与不饱和聚酯和/或乙烯系不饱和单体乳液聚合,合成了反应性微凝胶乳液。
- Firstly, biodegradable crosslinking agent having a poly(ethylene glycol) (PEG) central block, extended with poly(D,L-lactide) and terminated with diacrylate, was prepared. 摘要先以聚乙二醇(PEG)为中心嵌段,经消旋-丙交酯(D,L-LA)开环扩链,进而用丙烯酸酯封端制备了可生物降解交联剂。
- And two new segmented poly(urethaneureas) were prepared from poly(tetramethylene glycol)(PTMG) or polyadipate of 1,4 butanediol(PBA), MDI and Urea(as chain extender). 通过对聚氨酯脲及其硬段模型化合物的结构与性能的研究,发现这种体系有高相分离程度、高氢键密度的特点,并暗示了三维氢键网络结构的存在。
- The ethylene glycol diacrylate(EGDA) was synthesized by transesterification of methyl acrylate(MA) with ethylene glycol(EG) and the main reactive conditions were investigated. 以丙烯酸甲酯(MA)与乙二醇(EG)为原料,采用酯交换法合成出了二丙烯酸乙二醇酯(EGDA),对合成反应中的主要条件进行了实验研究。
- MAIN COMPONENTS metallothionein,gly 1*3 butanediol ,HA, fresh rose extracting solution ,witch hazel solution ,many kinds of acid and water-locking factors ,anion water. 甘油、1*3丁二醇、HA新鲜玫瑰提取液、金缕梅液、多种氨基酸和锁水因子、负离子水。