Diphenylmethane

Study of Reproductive and Developmental Toxicity on Male Mice Caused by Fetal Exposure to Diphenylmethane Diisocyanate

二苯基甲烷二异氰酸酯胎儿期暴露对雄性小鼠的生殖发育毒性研究

Production and Application of Diphenylmethane Diisocyanate in the World and its Market Analysis

国内外二苯基甲烷二异氰酸酯生产应用及市场分析

Solution thermodynamics of alcohols in diphenylmethane by gas liquid chromatography

气相色谱法研究醇类在二苯甲烷中的溶液热力学

Diphenylmethane would have a two proton peak .

二苯甲烷必定有一个二质子的峰。

Synthesis of Diphenylmethane Catalyzed by Activated Carbon Modified with H_2SO_4

H2SO4改性活性炭催化合成二苯甲烷

The applications and production of 4,4 ′ - diphenylmethane diisocyanate are described .

综述4,4′-二苯甲烷二异氰酸酯（MDI）应用及生产现状。

Specific serum IgG antibodies against diphenylmethane diisocyanate in occupationally exposed workers

二苯甲烷二异氰酸酯作业工人血清中抗原特异性IgG抗体测定

Preparation of benzyl chloride and diphenylmethane by chloromethylation of benzene in Two steps

用氯甲基化反应分两步制造氯化苄和二苯甲烷

Diphenylmethane diisocyanates ( MDI ) is an important material used for manufacturing polyurethanes .

二苯甲烷二异氰酸酯（MDI）是重要的聚氨酯原料，市场需求量很大。

The results show that the application of iron acetate catalyst can not only promote diphenylmethane conversion , but also accelerate the reaction rate .

研究表明用醋酸铁作催化剂不仅可以使二苯甲烷的转化率增加，而且可使反应速度加快。

Homogeneous Synthesis of N , N ′ - ( 4,4 ′ - Diphenylmethane ) Bismaleimide

N，N-′4,4′-二苯甲烷双马来酰亚胺的均相合成

Roles of Hydrogen , Sulfur , FeS_2 and Solvents in Diphenylmethane Hydrocracking

氢气、硫、二硫化铁和溶剂对二苯甲烷氢化裂解的作用

Synthesis of diphenylmethane catalyzed by acid clays

酸性粘土催化合成二苯甲烷

Co / MCM-41 was used as a catalyst to catalyze the oxidation of diphenylmethane to benzophenone .

研究了掺杂金属离子的MCM-41作为一种催化剂催化氧化二苯甲烷制备二苯甲酮的反应。

Catalytic Composition of Diphenylmethane Diisocyanate

二苯甲烷二异氰酸酯的绿色催化合成

The polyurethane was synthesized by modified lignin substituting part of glycol and toluene diisocyananate or diphenylmethane diisocyanate .

利用改性木素取代部分聚乙二醇与异氰酸酯合成了聚氨酯，并对热性能和机械性能进行了研究。

Aromatic polyureas were synthesized from 4,4 ′ - diphenylmethane diisocyanate and m-phenylene diamine by two step solution polymerization .

采用4,4′-二苯甲烷二异氰酸酯（MDl）和间苯二胺为单体，经两步法溶液聚合制备了芳香族聚脲。

As an artificial enzyme , it can be optimized by changing the diphenylmethane units or bridging chains or by chemical modification of hydrophobic cavities to form new host compounds .

作为人工模拟酶，通过改变氮杂环蕃化合物的形状以及引入活性基团，形成不同包结性能的主体化合物。

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。

In this paper , polyethylene glycol ( PEG ) and diphenylmethane diisocyanate ( MDI ) was introduced into the epoxy resins by modification , and a kind of waterborne epoxy emulsion was prepared .

本文采用化学改性的方法，将聚乙二醇（PEG）和二苯甲基二异氰酸酯（MDI）链段引入到环氧树脂当中，制备了一种自乳化环氧树脂。

Polybutadiene - polyurethane thermoplastic elastomers [ PU ( HTPB ) ] were synthesized using hydroxyl terminated polybutadiene ( HTPB ), diphenylmethane - 4,4 ' - diisocyanate and 1,4-butanediol .

以端羟基聚丁二烯（HTPB）和二苯甲烷-4,4′-二异氰酸酯（MDI）为原料，1,4-丁二醇为扩链剂。

By the reaction of diphenylmethane - 4,4 ' - diisocyanate ( MDI ) and 1,4-butanediol ( BDO ), narrow distributed B ( MB ) 1 and B ( MB ) 2 were separated and purified .

用二苯甲烷-4,4′-二异氰酸酯（MDI）和1,4-丁二醇反应后，可分离出单分散的B（MB）1，和B（MB）2；

When the loading of InCl_3 is 1.41 mmol / g , the supported catalyst shows the highest activity , and the conversion of benzyl chloride is up to 90 % and the selectivity to diphenylmethane is up to 98 % .

InCl3/HMS负载试剂中InCl3的最佳负载量为1.41mmol/g，在7min内苄氯的转化率可达90%以上，二苯甲烷的选择性可达到98%以上；

The present situation , feasibility , manufacture processing technology and excellent characteristics of wood-rubber composite materials were outlined . The composite are composed of waste tire rubber and wood spill and diphenylmethane diisocyanate ( MDI ) and UF are used as binder to cure scrap tires and wood spill .

本文论述了采用MDI-UF为胶粘剂胶合木材刨花与废弃轮胎橡胶颗粒制备木质-橡胶多功能环保复合材料的研究现状、生产工艺、性能优势、环保效果和应用和发展前景。