A new method for synthesizing N -(1,3-dimethyl butyl)- N ′-phenyl- p -diamino benzene (4020),as rubber antioxidant,was investigated in a prototype plant.
以研究成功的橡胶防老剂4020合成新工艺的小试和中试条件为依据,完成了工业化生产的研究。
The conventional process for the synthesis of rubber antioxidant 4020 from the 4-anino diphenylamine and methyl isobutyl ketone under high pressure can be replaced by a new three-step process using p -aminophenol, methyl-isobutyl ketone, formic acid and aniline as raw materials.
以橡胶防老剂 40 2 0合成新工艺小试条件为依据 ,完成了放大试验过程的工艺研究 ,改变了传统的在高压下以较大分子为原料合成橡胶防老剂 40 2 0的工艺路线。
A new method to synthesize rubber antioxidant 4020(N(1,3Dimethylbuty)N ′PhenylPhenylnediamine) is studied bypaminophenol,methylisobutyl ketone,formic acid and aniline under atmosphere.
探索了利用对氨基酚、甲基异丁基酮、甲酸、苯胺在常压下合成橡胶防老剂 4 0 2 0的新方法。
Rubber antioxidant RD, Chemical name is polymerized 2,2,4-trimethyl-1,2-dihydroquinoline Resin(Low molecular weight).
橡胶防老剂RD，化学名称2,2,4—三甲基—1，2—二氢化喹啉聚合体。
Test method of ash for rubber antiagers and vulcanizing accelerators
GB/T11409.7-1989橡胶防老剂、硫化促进剂灰分的测定方法
Test method of crystallizing point for rubber antiagers and vulcanizing accelerators
GB/T11409.2-1995橡胶防老剂、硫化促进剂结晶点测定方法
Test method of fusion point for rubber antiagers and vulcanizing accelerators
GB/T11409.1-1995橡胶防老剂、硫化促进剂熔点测定方法
Test method of apparent density for rubber antiagers and vulcanizing accelerators
GB/T11409.6-1989橡胶防老剂、硫化促进剂表观密度的测定
Laboratory research of catalyst for synthesis of rubber antioxidant 4010 NA
橡胶防老剂4010NA合成用催化剂的实验室研究
Study on the Improvement of the Synthetic Processes of Rubber Antioxidant RD;
橡胶防老剂RD生产工艺改进的初步探索
Synthesis of 2-Mercapto methyl benzimidazole
橡胶防老剂2-巯基甲基苯并咪唑的合成
Test method of residue on sieve for rubber antiagers and vulcanizing accelerators
GB/T11409.5-1989橡胶防老剂、硫化促进剂筛余物的测定方法
Test method of softening point for rubber antiagers and vulcanizing accelerators
GB/T11409.3-1989橡胶防老剂、硫化促进剂软化点的测定方法
Test method of insoluble matter in hydrochloric acid for rubber antiagers and vulcanizing accelerators
GB/T11409.9-1989橡胶防老剂、硫化促进剂盐酸不溶物含量的测定方法
Test method of viscosity for rubber antiagers and vulcanizing accelerators--Rotational viscometer method
GB/T11409.8-1989橡胶防老剂、硫化促进剂粘度的测定方法旋转粘度计法
Test method of weight loss on heating for rubber antiagers and vulcanizing accelerators
GB/T11409.4-1989橡胶防老剂、硫化促进剂加热减量的测定方法
Research progress in antioxidant of bridged alkyl phenols category and its derivates used for synthetic rubber
桥键烷基酚及其衍生物用于合成橡胶防老剂的研究进展
Applicatian of Environmental Antioxidant CTU
环保型防老剂CTU在橡胶中的应用
Vulcanized rubber--Determination of antidegradant content-Thin layer chromatographic method
GB/T4499-1997硫化橡胶中防老化剂的测定薄层色谱法
rubber materials for vibration isolators
防振橡胶用橡胶材料
Prediction for Service Life of Aeronautical Rubbers and Sealant by Computer Technique
计算机辅助航空橡胶和密封剂老化寿命预测
The Effect of Three Hot Fogging Concentrates on Colletotrichum Leaf Fall of Rubber Tree in Rubber Plantation
三种热雾剂对橡胶树炭疽病大田防治试验