A new type gemini surfactant was synthesized from 1,4 - butanediol , maleic anhydride and 1 - octadecanol.

采用1,4- 丁二醇 、 马来酸酐及十八醇为主要原料,合成出一种双子表面活性剂1, 4- 丁二醇双琥珀酸十八醇双酯磺酸钠.

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The catalysis of big pore strong acid resin for 1, 4 - butanediol dehydration to tetrahydrofuran is investigated.

考察了大孔强酸性树脂对1, 4 丁二醇 脱水制四氢呋喃的催化作用.

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The catalysis of big pore strong acid resin for 1,4 - butanediol dehydration to tetrahydrofuran is investigated.

考察了大孔强酸性树脂对1,4 丁二醇 脱水制四氢呋喃的催化作用.

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Company BDO is the world's most advanced to calcium carbide acetylene butanediol as 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.

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The cross - linking agent is formaldehyde, glutaraldehyde, glycol diglycidyl ether , propanediol diglycidyl ether, or butanediol diglycidyl ether.

上述 交联剂 为甲醛 、 戊二醛 、 乙二醇双缩水甘油醚 、 丙二醇双缩水甘油醚或丁二醇双缩水甘油醚.

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