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1)  α,α',α''-Tri(dimethylamino)mesitol
三聚催化剂
2)  oligomerization catalyst
齐聚催化剂
1.
According to the type of oligomerization catalysts,dimerization,trimerization,and tetramerization catalyst systems and oligomerization catalysts system for wide range oligomer were introduced respectively.
按照齐聚催化剂的类型,分别介绍了二聚催化体系、宽分布乙烯齐聚催化体系、三聚催化体系及四聚催化体系,并对共聚催化剂作了简要说明。
3)  copolymerization catalyst
共聚催化剂
1.
The copolymerization catalysts were presented briefly.
按照齐聚催化剂的类型,分别介绍了二聚催化体系、宽分布乙烯齐聚催化体系、三聚催化体系及四聚催化体系,并对共聚催化剂作了简要说明。
4)  polycondensation catalyst
缩聚催化剂
1.
Application of antimony ethylene glycol as a polycondensation catalyst;
缩聚催化剂乙二醇锑的应用
2.
The principle of polycondensation catalyst and the of choice catalyst was summarized ,separately compared the catalytic efficiency of antimony ethylene glycol and Sb2O3 and sb(Ac)3 in DMT and PTA .
综述了聚酯缩聚催化剂的催化原理及催化剂的选择原则,并分别比较了乙二醇锑与Sb2O3和Sb(Ac)3催化剂在DMT法和PTA法中的催化效果。
3.
Furthermore, titanium glycolate is used as polycondensation catalyst of poly-ethyleneterephthalate (PET), and shows more active than antimony-based catalysts (Sb_.
乙二醇钛作为聚对苯二甲酸乙二酯(PET)的缩聚催化剂,表现出了较锑系催化剂(Sb2O3)更高的催化活性。
5)  polymerization catalyst
聚合催化剂
6)  dimerization catalyst
二聚催化剂
1.
Several homogeneous bifunctional catalytic systems for the synthesis of the linear low density polyethylene (LLDPE) from a single monomer source were developed, which consisted of a dimerization catalyst Ti(OBu)4/AlEt3 and a copolymerization catalyst, either Cp2zrCl2/MAO or Et(Ind)2ZrCl2/MAO.
研究了由二聚催化剂Ti(OBu)4/AlEt4和共聚催化剂(Cp2ZrCl2/MAO或Et(Ind)2ZrCl2/MAO)组成的双功能均相催化体系。
补充资料:三聚催化剂
分子式:C15H27N3O
分子量:265.40
CAS号:90-72-2

性质:无色或淡黄色透明液体。可燃。纯度为96%以上(换算为胺)、水分为0.10%以下(卡尔-费歇法)、色调为2-7(卡迪纳尔法)时,沸点约250℃,130-135℃(0.133kPa),相对密度0.972-0.978(20/4℃),折射率1.514,闪点110℃。具有氨臭。不溶于冷水,微溶于热水,溶于醇、苯、丙酮。

制备方法:苯酚与二甲胺、甲醛反应后,反应产物经分层、真空脱水、抽滤而得成品。原料消耗定额:苯酚410kg/t、37%的甲醛1100kg/t、40%的二甲胺1480kg/t。

用途:用作热固性环氧树脂的固化剂、粘接剂、层压板材料和地板的密封剂、酸中和剂及聚氨基甲酸酯生产中的催化剂。

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