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- dipropyl phthalate 酞酸二丙酯
- Dibutyl phthalate is commonly employed as such a plasticizer. 酞酸二丁酯一般用来作为这类增塑剂。
- Conclusion Dibutyl Phthalate is a slow toxicity substance. 结论邻苯二甲酸二辛酯对人体有慢性毒性。
- Magnesium phthalate dihydrate was synthesized by rheological phase reaction. 用流变相反应法合成了二水邻苯二甲酸镁。
- In the first place,the uses and character of safety of phthalate are described. 首先说明了邻苯二甲酸脂的用途及安全性。
- Phthalate is a chemical used to soften plastics and make it less brittle. 邻苯二甲酸是一种用于软化塑料,降低脆性的化学剂。
- Dipropyl phosphite was prepared form phosphorus thichloride and n-propyl alcohol then chlorinated O,O-dipropyl chlorohosphate, the yield over 90%. 三氯化磷与正丙醇合成亚磷酸二正丙酯再氯化成O,O-二正丙基磷酰氯,收率达到90%25。
- The polyester in these compositions is a 50% solution of a maleic acid-prophlene glycol condensate in diallyl phthalate. 在这些配方中的聚酯是马来酸--丙二醇缩合物在酞酸二烯丙酯中的50%25溶液。
- Finally, the catalytic properties of KNO_3/AlSBA-15 for the synthesis of dipropyl carbonate (DPC) by interesterification from dimethyl carbonate (DMC) and propanol were studied. 第四部分,研究了KNO_3/AISBA-15负载型分子筛催化剂用于催化碳酸二甲酯(DMC)与丙醇酯交换合成碳酸二丙酯(DPC)的反应。
- The thermal stability of dimethyl methylphosphonate,diethyl ethylphosphonate and dipropyl propyphosphonate in flexible polyurethane foam were studied by thermal analysis method. 用热分析方法研究甲基膦酸二甲酯、乙基膦酸二乙酯和丙基膦酸二丙酯在聚氨酯软质泡沫塑料(PU)的热稳定性能。
- Examples are sodium carbonate and potassium acid phthalate which are used to standardize acid and base solutions. 例如碳酸钠和邻苯二酸氢钾,分别用来标定酸和碱溶液。
- Preconcentration of phthalate esters in environmental aquatic samples by n-octadecyl-bonded membrane extraction. 环境水样中邻苯二甲酸酯固相膜萃取预富集方法。
- Dioctyl phthalate was synthesized using di n octyl tin oxide as an aprotic acid catalyst. 用氧化二辛基锡催化合成邻苯二甲酸二辛酯。
- Process for synthesizing dimethyl phthalate(DMP) for phthalic anhydride and methanol has developed. 研究以苯酐、甲醇为原料合成邻苯二甲酸二甲酯的方法。
- Acetanilide and hexane diacid,potassium hydrogen phthalate could improve PVC crystallinity. 乙酰苯胺、己二酸和邻苯二甲酸氢钾可以使PVC结晶度增大。
- Toluene is a colorless liquid used as a solvent, formaldehyde helps harden nails and dibutyl phthalate is a plasticizer that makes nail polish flexible. 甲苯是一种无色液体,用做溶媒;甲醛帮助硬化指甲;而邻苯二甲酸二丁酯是一种增塑剂,增强指甲油的柔韧性。
- The ECD Gas chromatography is high sensitive method for Di-n-cotyl phthalate determination. 气相色谱电子捕获检测器测定工业设施验收中的邻苯二甲酸二正辛酯是一种灵敏度高的有效方法,但检测器的放射源极易受污染且很难清洗。
- Acetanilide and hexane diacid, potassium hydrogen phthalate could improve PVC crystallinity. 乙酰苯胺、己二酸和邻苯二甲酸氢钾可以使PVC结晶度增大。
- The oxidation of Di-methyl phthalate was studied by ultravioletlight alone, ozonation and UV/O3 respectively. 本文采用紫外光-臭氧氧化法、单纯紫外光照及单纯臭氧氧化法处理邻苯二甲酸二甲酯废水。
- Objective To study the preparation and characterization of hapten and artificial antigen of dicyclohexyl phthalate. 目的合成邻苯二甲酸二环己酯半抗原衍生物和合格的人工全抗原,探讨其制备方法。