氧化亚锡
- 网络Stannous Oxide;SnO
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在石油酸与二元醇的摩尔比为2.2时,氧化亚锡用量占石油酸用量的2%,反应4h可使二元醇羟基的酯化率达99%。
If the molar ratio of acid to dibasic alcohol is 2.2 , the quantity of SnO to acid is 2 % , and the reaction time is 4 h , the yield of diesters can reach 99 % .
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氧化亚锡的生产工艺控制
The Control of Stannous Oxide Production Process
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SnO-SiO2系中氧化亚锡的挥发性能
Studies on the volatility of SnO in the sno-sio_2 system
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氧化亚锡催化直接熔融聚合法合成生物降解材料聚乳酸-聚乙二醇
Direct Synthesis of Biodegradable Material Polylactic Acid-Polyethylene Glycol via Melt Copolymerization and Catalyzed by Stannous Oxide
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以呋喃甲酸和正丙醇为原料,氧化亚锡为催化剂,合成了呋喃甲酸正丙酯,产率可达77%。
The way using crude material furoic acid and propyl alcohol to synthesize propyl furoate is researched by catalyst stannous oxide . The yield is 77 % .
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通过对三种催化酯化反应的脱水方法及负压下使用不同催化剂的比较和选择,提出了以氧化亚锡为催化剂负压脱水合成氯乙酸2乙基己酯的方法。
By comparing the dehydration methods of three catalytic esterification reactions and the catalysts used under negative pressure , the better method of synthesizing 2 ethylhexyl chloroacetate is using stannous oxide as catalyst under negative pressure .
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以氧化亚锡为催化剂、二甲苯为携水剂、由季戊四醇与油酸酯化,合成了在250℃时热失重率为16.76%-20.72%的耐高温季戊四醇油酸酯。
Pentaerythrite and oleate were esterified with stannous oxide as a catalyst and dimethyl benzene as a water-carrying agent to produce heat-resistant pentaerythrite oleate with thermal weight loss of 16.76 % - 20.72 % at 250 ℃ .