it is recommended that one step process of dimethylamine carbonylation should be adopted by manufacturer in order to reduce the production cost and promote product quality and elevate market competition of products.

1、

pech-amine is one of the cationic modification agents which come from the reaction of dimethylamine and polymer of epichlorohydrin under the condition of 95 ℃.

聚环氧氯丙烷胺化物PECH-amine是由环氧氯丙烷的聚合物与二甲胺在95℃条件下反应得到的阳离子改性剂。

互联网摘选

2、

linen was chemically modified by the synthetic product of polyepichlorohydrin and dimethylamine, so as to improve its dye uptake and dyeing behaviour.

利用聚环氧氯丙烷与二甲胺的合成产物对亚麻织物进行化学改性，以提高亚麻织物的上染率，改善其染色性能。

互联网摘选

3、

a study was made on the effect of dimethylamine ( dma) as impurity in butadiene on the synthesis and properties of medium vinyl polybutadiene rubber.

本工作研究了二甲胺对聚合速度、转化率、高聚物的微观结构、特性粘数及分子量分布的影响。

互联网摘选

4、

the results showed that adsorbent r-3 with 10% crosslink degree and dimethylamine group performed the most appropriate power to purify triterpenoid acids.

结果表明交联度为10%、引入二甲胺的R-3树脂对三萜酸的吸附选择性最佳。

互联网摘选

5、

study on the kinetics of the reactions between tris ( alkylxanthato) cobalt(ⅲ) and dimethylamine by high-performance liquid chromatography

高效液相色谱法对烷基黄原酸合钴（Ⅲ）与二甲胺反应动力学的研究

互联网摘选

6、

preparation of alkyl dimethylamine

烷基二甲基胺的研制

互联网摘选

7、

the results showed that polymerization temperature, molar ratio of epichlorohydrin and dimethylamine, and polymerization time all had an optimum value under certain polymerization conditions.

结果表明：在一特定聚合体系下，交联剂加入量、反应温度、环氧氯丙烷和二甲胺摩尔比、聚合时间等因素对于聚合物的阳离子度和分子量都存在一最佳值。

互联网摘选

8、

the syntheses of phenol-formaldehyde resin modified with dimethylamine or isopropylamine under suitable conditions were conducted.

利用二甲胺和异丙胺在适宜的条件下对酚醛树脂进行改性，得到了胺改性酚醛树脂。

互联网摘选

9、

in the product solution at the end period. methyl formate and dimethylamine are controlled at equal molar feeding.

反应过程控制甲酸甲酯与二甲胺等摩连续进料。

互联网摘选

10、

the results showed that the selectivity for dimethylamine was over 60% at the methanol conversion of 98.5%.

结果表明：该催化剂具有优良的转化活性和二甲胺选择性。

互联网摘选

11、

development of a room temperature curing agent, metaphenylene dimethylamine polycondensate, for epoxy resin

环氧树脂室温固化剂间苯二甲胺缩聚物的研制

互联网摘选

12、

it shows that self-made catalyst nahm has more higher dimethylamine selectivity than others.

结果表明：自制NaHM催化剂对二甲胺具有更高选择性。

互联网摘选

13、

study on the synthesis of n, n-dimethylformamide from methyl formate and dimethylamine

甲酸甲酯与二甲胺合成二甲基甲酰胺的研究

互联网摘选

14、

study on the new technology for recovery of dimethylamine from dmf distillery wastewater in tannery factories

合成革厂DMF蒸馏废水中回收二甲胺的新工艺研究

互联网摘选

15、

determination of ammonia, dimethylamine and trimethylamine in the air by ion chromatography

离子色谱法同时测定空气中的氨、二甲胺、三甲胺

互联网摘选

16、

molecular sieve catalyst for high proportion dimethylamine

高比例二甲胺分子筛催化剂

互联网摘选

17、

the steam treated mordenite for selective catalytic synthesis of dimethylamine

用水蒸汽处理丝光沸石选择性催化合成二甲胺的研究

互联网摘选

18、

effect of pretreatment on catalytic performance of natural mordenite for the synthesis of dimethylamine

预处理对天然丝光沸石合成二甲胺催化性能的影响

互联网摘选

19、

preparation and reactivity of the catalysts for selective synthesis of dimethylamine

选择性合成二甲胺催化剂的制备和反应性能

互联网摘选

20、

effects of different elements on the performances of copper based catalysts for disproportionation of dimethylamine

铜基催化剂中助组分对二甲胺歧化性能的影响

互联网摘选