研究了D, L -丙交酯在浓硫酸催化作用下与正丁醇进行酯交换反应合成乳酸丁酯的条件。
Butyl lactate was synthesized by the ester exchange reaction of d, L-lactide and n-butanol under the catalysis of sulfuric acid.
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。
The catalysis of big pore strong acid resin for 1,4-butanediol dehydration to tetrahydrofuran is investigated.
通过热分析方法、推进剂配方工艺研究与性能测试，探讨了它们对NEPE和丁羟固体推进剂固化反应的催化作用。
Their catalytic activities to the curing reaction of NEPE and HTPB solid propellants were studied by thermal analysis methods, formulation process research and performance test of propellants.
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