This thesis introduces a method of synthesis of lignin phosphonic acid, a new product, by making use of lignin, the scrap material in the course of paper-making.
利用造纸工业副产品—木质素合成木质素膦酸新产品，并测定了它的含磷量和红外光谱。
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 new water stabiliser TJ -302, a compound containing phosphonic acid, is synthetized in water phase with main materials, of maleic anhydride, acrylic acid and phosphate by one step.
以马来酸酐、丙烯酸和含磷化合物为主要原料，在水相中一步合成出含膦马-丙多元共聚物TJ-302；
In this study, N-methylene phosphonic chitosan (NPCS) was synthesized via formaldehyde addition and condensation with phosphoric acid in a step reaction.
以甲醛和磷酸为反应试剂，采用均相反应法制备出壳聚糖(CS)的磷酸化衍生物-甲基磷酸化壳聚糖(NPCS)。
To inhibit scale formation in oil well, a new type of solid scale inhibitor, which can be hung to oil pump in well bore, was made mainly from phosphonic type inhibitors.
研究了以膦酸盐防垢剂为主要材料的、可悬挂于抽油泵下面使用的固体防垢块。
A simple method of preparation of phosphonic heterocyclic compounds has been found.
发现了一种简便制备邻位含吸电子取代基的膦酰基杂环化合物的方法。
A simple method of preparation of phosphonic heterocyclic compounds has been found.
发现了一种简便制备邻位含吸电子取代基的膦酰基杂环化合物的方法。
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