phosphite
n. 亚磷酸盐
2026-03-22 01:54 浏览次数 36
n. 亚磷酸盐
1. a salt or ester of phosphorous acid
2. a salt or ester of phosphorous acid
Dibutyl phosphite亚磷酸二正丁酯
Tridecyl Phosphite亚磷酸十三烷酯
Triethyl phosphite亚磷酸三乙酯
lead phosphite磷酸铅
phenyl phosphite亚膦酸苯酯
Diphenyl phosphite亚磷酸二苯酯
triphenyl phosphite亚磷酸三苯酯
Triisooctyl phosphite亚磷酸三异辛基酯
barium phosphite亚磷酸氢钡
organic phosphite有机亚磷酸酯
a technique for continuous recovery and recycling of triethyl amine catalyst during production of glyphosate from dimethyl phosphite is discussed.
介绍了烷基酯法草甘膦生产中催化剂三乙胺回收的连续化工艺。
oxidronate was prepared from triisopropyl phosphite by diphosphonation, chlorination, pyrolysis and reduction with 32% overall yield.
以亚磷酸三异丙酯为原料,经膦酸化、氯化、热解、还原等反应合成奥昔膦酸盐,总收率为32%。
the typical process for the synthesis of dimethyl phosphite is the continuous process starting from methanol and trichloro phosphine.
亚磷酸二甲酯的合成工艺主要为以甲醇、三氯化磷为原料的无溶剂的连续化生产工艺。
the yield was increased through adding tetrabutyl ammonium bromide as the phase transfer catalyst, and using excessive diisopropyl phosphite to compensate its hydrolyzation.
通过添加适量四丁基溴化铵为相转移催化剂,使用过量的亚磷酸二异丙酯以补偿其在强堿环境中的水解,从而提高了反应产率。
a method for preparing dimethyl phosphite was developed from methanol and phosphorous trichloride.
研究了用三氯化磷和甲醇合成亚磷酸二甲酯的方法。
sodium sulfate and sodium phosphite are tending to be accumulated gradually in the solution during electroless nickel plating, which affect the life of the plating solution.
随着施镀的进行,化学镀镍液中的硫酸钠和亚磷酸钠的积累越来越多,从而影响镀液的使用寿命。
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。
the process of preparing glyphosate with dimethyl phosphite and progress in relevant technology are introduced in this paper.
介绍了烷基酯法生产草甘膦的工艺及其近年来的技术进展。
the method for synthesizing dialkyl phosphite from phosphorus trichloride was improved.
对用三氯化磷和醇合成亚磷酸二烷基酯方法进行了改进。
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。
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;
dimethyl phosphite is an important chemical intermediate, which has widespread availability in chemical industry.
亚磷酸二甲酯是一种重要的化工中间体,有着广泛的应用。
the iron phosphite eutectic and ledeburite in wearre-sistant cast iron are contradistinguished with metallography and microhardness and scanning electron microscope.
采用金相、显微硬度与扫描电镜,以区别含磷减磨铸铁中磷共晶与菜氏体。
an environmentally-friendly antirusting coatings has been prepared, based on non toxic calcium phosphite as dominant antirust pigment and phosphates as auxiliary antirust pigment.
用无毒亚磷酸钙作为主要防锈颜料,磷酸盐作为辅助防锈颜料,研制了一种环保型亚磷酸钙防锈涂料。
dibenzyl phosphite was synthesized by benzyl alcohol and trichlorophosphorous in the presence of pyridine.
以苯甲醇和三氯化磷为原料,在吡啶存在下合成了二芐基亚磷酸酯。
tribenzyl phosphite is synthesized with phosphorus trichloride and benzyl alcohol as starting materials, n, n-dimethyl aniline as acid binding agent and petroleum ether as solvent.
以三氯化磷、芐醇为原料,以n,n-二甲基苯胺为缚酸剂,石油醚为溶剂,合成了亚磷酸三芐酯。
it has shown that the antirust properties of calcium phosphite coatings are similar to the red lead antirusting coatings and superior to the zinc chromate or zinc phosphate antirusting coatings.
试验结果表明,亚磷酸钙涂料的防锈性能与红丹防锈涂料相当,优于锌铬黄、磷酸锌防锈涂料。
hyperbranched aromatic polyamides were prepared by direct polycondensations of the two monomers in the presence of triphenyl phosphite and pyridine as condensation agents in nmp.
用亚磷酸三苯酯和吡啶做缩合剂,在nmp 溶液中发生聚合反应,合成了端基为氨基的两种新型超支化聚酰胺。
as shown by results, phosphite in cathodal cell was really converted into hypophosphite to a certain extent but its conversion rate was low due to the confinement of decomposition voltage.
实验结果表明,阴极室亚磷酸盐在一定程度上被转化为次磷酸盐,但是由于受电解电压的制约,转化率较低。
four compounds of phosphite ester and phosphoramide containing azido groups were synthesized. the molecular structure of the products has been confirmed by ir, 1hnmr, fab ms and elemental analysis.
首次合成了叠氮亚磷酸酯及叠氮磷酰胺类化合物,并用ir、1 hnmr、fabms及元素分析对化合物结构进行了鑒定。
the effects of methyl tin, antioxidant 1010 and triphenyl phosphite on the heat stability of high flow pvc/abs alloy were studied.
研究了甲基锡、抗氧剂1010、亚磷酸三苯酯的不同用量对高流动pvc/abs合金的稳定性影响。
the modified pearlite pigment includes sheet base material, titania painted onto the sheet base, and hydrate of metal phosphite and metal oxide painted onto the surface of titania.
本发明涉及一种经后涂覆改性的珠光颜料,该珠光颜料包括片状基材、在 基片上涂覆二氧化钛、以及在二氧化钛表面上再涂覆金属亚磷酸盐和金属氧化 物的水合物。
micromorphology analysis by sem is performed on the film of triphenyl phosphite formed on a3 steel.
用扫描电镜(sem)分析了亚磷酸三苯酯在a3钢表面所成膜的微观形貌特征。
it discussed the characteristics and mechanism of phosphite antioxidant.
叙述了亚磷酸酯类抗氧剂的特征、作用机理。
stabilization of polyamide hot melt adhesives (pahma) to thermo-oxidizing by using various antioxidants, which were hindered phenols, acryl amines, cupric salts and phosphite esters etc.
系统研究了各种抗氧剂及一些抗氧剂复合配方体系对聚酰胺热熔胶热氧化的稳定作用,所用抗氧剂包括受阻酚、芳香胺、铜盐、亚磷酸酯等。
the common phosphite antioxidants were introduced, and the application fields of them were pointed out.
列举了具有代表性的亚磷酸酯类抗氧剂,并介绍了其应用领域。