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- diphenyl pentaerythritol phosphite 亚磷酸二苯基季戊四醇酯
- pentaerythritol phosphite 季戊四醇亚磷酸酯
- pentaerythritol tetrakis(diphenyl phosphite) 季戊四醇四(亚磷酸二苯酯)
- The yieldsof pentaerythritol and dipentaerythritol were above 20percent under the optimum reaction parame... 在此工艺条件下,单、双季戊四醇的收率均在20%25以上。
- 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。
- Diisopropyl phosphite was directly synthesized from phosphorus trichoride and isopropanol by using the solvent method. 以三氯化磷与异丙醇为原料,用溶剂法合成了标题化合物。
- Novelty intumescent flame retardant(IFR) was made from phosphoric acid,pentaerythritol(PER) and melamine. 使用磷酸、季戊四醇、三聚氰胺合成了一种膨胀型阻燃剂。
- Dibromo neopentyl glycol was prepared from pentaerythritol and hydrobromic acid. 由季戊醇、氢溴酸制备了二溴新戊二醇。
- Triisodecyl phosphite ester is synthesized with isodecyl alcohol and PCl_3 by using the direct esterification method. 由异癸醇和三氯化磷反应制得亚磷酸三异癸酯。
- A bis-phosphite antioxidant, 2,4-di-test-butylphenyl phosphite, antioxidant 626, was synthesized by a new technology. 以新工艺合成了双(2,4-二叔丁基苯基)季戊四醇二亚磷酸酯(抗氧剂626)。
- The yieldsof pentaerythritol and dipentaerythritol were above 20 percent under the optimum reaction parameters. 在此工艺条件下,单、双季戊四醇的收率均在20%25以上。
- Triphenyl phosphite provided prominent stabilization only when used in combination with other stabilizers. 亚磷酸三苯酯单独使用时效果较差,但与其它种类的稳定剂混合使用能得到较好的效果。
- In the production of polyurethane paint,pentaerythritol is em ployed in the place of alkyd resin . 介绍以季戊四醇代甘油制聚氨酯漆醇酸组份的配方、工艺及树脂性能。
- Triisopropyl phosphite was synthsized from phosphorus trichloride and isopropanol using pyridine as an organic base. 采用三氯化磷、异丙醇为原料,吡啶为有机碱合成亚磷酸三异丙酯。
- An economical and practical detector in pentaerythritol production, its principle and application are introduced. 介绍季戊四醇生产中比较经济实用的一种检测装置,对其原理和实际应用加以论述。
- The synthesis of monomethylhydrazine was investigated with dimethyl phosphite as methylating agent. 以亚磷酸二甲酯为甲基化试剂,一步合成了单取代的一甲基肼。
- With the rising demand for dimethyl phosphite, more attention was paid to its production process. 随着市场需求的增大,人们对亚磷酸二甲酯的生产工艺越来越关注。
- 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 easy procedure provided a neat environment-friendly synthetic method for pentaerythritol diacetals in high yields and the catalyst was reusable. 该方法操作简便,收率高,催化剂可重复使用,是一种环境友好型催化反应。
- The process of recovering methyl chloride from the tail gas of dimethyl phosphite was introduced. 本文介绍了从亚磷酸二甲酯生产尾气中回收氯甲烷的工艺。
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