The test showed that, the acid phosphite with high chemical activity has excellent extreme-pressure anti-wear property but heat oxidation stability, anti-corrosion and anti-rust properties are poor;
试验说明化学活性很高的酸性亚磷酸酯有很好的极压抗磨性,但热氧化安定性、抗腐蚀性、防锈性不好;
The synthesizing of dimethyl methyl phosphonic acid ester with trimethyl phosphite was catalyzed by methyl alkylbenzenesulfonate.
报道了以烷基苯磺酸甲酯催化异构亚磷酸三甲酯合成甲基膦酸二甲酯。
Using ditertbutyl peroxide as initiator, diethyl phosphite reacted with AA and AMPS, then hydrolyzed with conc. hydrochloric acid.
亚磷酸二乙酯与AA、AMPS在二特丁基过氧化物引发剂存在下进行调聚反应,然后用浓盐酸水解。
Glycine dimethyl phosphoric acid (GDMP) has been synthesized with glycine, formaldehyde and diethyl phosphite as main raw materials.
以甘氨酸、甲醛、亚磷酸二乙酯为主要原料,合成甘氨酸二亚甲基膦酸(GDMP)。
The invention relates to a method for preparing alkyl phosphonic acid, which comprises the following steps: (1) an alkali metal reacts with phosphite ester to obtain phosphite ester;
本发明涉及一种烷烃基膦酸制备方法,包括下列步骤:(1)碱金属与亚磷 酸酯反应,得到亚磷酸酯盐;
The invention relates to a method for preparing alkyl phosphonic acid, which comprises the following steps: (1) an alkali metal reacts with phosphite ester to obtain phosphite ester;
本发明涉及一种烷烃基膦酸制备方法,包括下列步骤:(1)碱金属与亚磷 酸酯反应,得到亚磷酸酯盐;
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