Butyraldehyde 1,2 propanediol acetal was synthesized by using stannous chloride as catalyst.

以非质子酸氯化亚锡为催化剂,催化合成了丁醛-1,2-丙二醇缩醛.

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Under suitable conditions, the conversion on 1 , 2 - propanediol and the selectivity on acetone aldehyde is 69 %.

试验结果表明,在适宜的条件下, 该催化剂对 12- 丙二醇的转化率达到98%, 对丙酮醛选择性达到了69%.

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Copper - containing catalysts are the most suitable catalysts for producing 1, 2 - propanediol through catalytic hydrogenolysis of glycerol.

对甘油催化氢解制取1, 2- 丙二醇效果最好的是含铜的催化剂.

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Under suitable conditions, the conversion on 1, 2 - propanediol asas % and the selectivity on acetone aldehyde %.

试验结果表明,在适宜的条件下, 该催化剂对1, 2-丙%,对丙酮醛选择性达到了%.

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The latest technical advance of 1, 3 - propanediol for PTT raw materials production technique were introduced emphatically.

以及生产PTT的原料1, 3- 丙二醇生产工艺近期所取得的新进展.

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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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Polyurethane foam wastes were recycled by alcoholysis with 1, 2 - propanediol . Polyol and amine compound were gained.

以1, 2- 丙二醇醇解废旧聚氨酯得到多元醇混合物和胺类化合物,红外光谱法分析了多元醇混合物.

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