Starting from America polylactic acid or polylactic acid made by ourself and polyethylene glycol, poly-( lactic acid)-polyethylene glycol ( PLEG) were synthesized via melt polycondensation. 以美国聚乳酸、自制聚乳酸和聚乙二醇为原料,分别熔融共聚得到聚乳酸-聚乙二醇共聚物(PLEG)。
Phosphorodithioic acid, mixed O, O-diesters with polyethylene glycol monodecyl ether and polyethylene glycol monooctyl ether; 二硫代磷酸与聚乙烯乙二醇单葵醚和聚乙烯乙二醇单辛醚的O,O-混合二酯;
It was found that the ethanol yield increased with the increase of the glycol number in polyethylene glycol dimethacrylate. 固定化酵母的活性随聚乙二醇二甲基丙烯酸分子中乙二醇数目的增加而增加。
In this work, the pervaporation separation of water/ ethylene glycol mixture was performed with sulfonated polyethylene ion-exchange hollow fiber membrane. 应用渗透蒸发膜分离方法,研究磺化聚乙烯中空纤维离子交换膜对水/乙二醇混合物的分离效果。
STUDY ON FCC NAPHTHA DESULFURIZATION BY SOLVENT EXTRACTION WITH POLYETHYLENE GLYCOL 400 A better extractant, polyethylene glycol 400, was selected. PEG-400萃取脱除FCC汽油中硫化物的研究选出了一种脱硫效果较好的溶剂&聚乙二醇400(PEG-400)。
Diethylene glycol, triethylene glycol, polyethylene glycol and diluent are mixed to form the basic solution of HZY2 brake oil. 论述了HZY2型高级合成刹车油所需的改性甘醇基础液的配方组成及其使用性能的研究工作。
The free polyethylene glycol ( PEG) in polyethylene oxide-polypropylene oxide type demulsifiers is separated by extraction, determined by gravimetric analysis and identified by gas chromotography. 本文用分配萃取法测定了AP型原油破乳剂中的聚乙二醇。
Influence of plasticizers, such as sorbitol, glycerol, ethylene glycol and polyethylene glycol 600 etc, on using performance of starch edible tableware was studied when applied these plasticizers as addition agent. 以山梨醇、甘油、乙二醇和聚乙二醇600等4种增塑剂作为可食性淀粉基餐具的添加剂,研究不同增塑剂对淀粉基餐具的吸水性、吸油性和最大承载等使用性能的影响。
Chlorhexidine-iodine complex salt solution was prepared with polyethylene glycol 400 as the solvent and ethanol as the disperser. Polyethylene glycol 400 is thermoresistant, stable, odorless and not irritative, and it can promote the solubility of the complex salt. 本品采用的溶剂聚乙二醇400耐热、性质稳定、无臭、无刺激性,对洗必太碘络盐有良好的助溶作用,且制得的溶液相对稳定。
In this paper, the quarternary ammonium salts ionic liquids modified with poly-( ethylene glycol) chain ( Scheme I) are synthesized by reaction of methylsulfonate of polyethylene glycol with triethylamine. 本论文首次设计并合成了一类由含乙氧基链的磺酸酯与叔胺反应生成的季铵盐离子液体(结构Ⅰ)。
The content of diethylene glycol ( DEG) in polyethylene terephthalate ( PET) chip is a very important quality index and must be strictly controlled in PET production. 二甘醇(DEG)在聚对苯二甲酸乙二酯(PET)切片中的含量是PET的重要质量指标,在生产过程中必须严格控制。
Polyether ester ( PEE) antistatic agent for PET fiber was synthesized from dimethyl terephthalate ( DMT), ethylene glycol ( EG) and polyethylene glycol ( PEG). 以对苯二甲酸二甲酯(DMT)、乙二醇(EG)和聚乙二醇(PEG)为原料合成涤纶用聚醚酯型抗静电整理剂(PEE)。
Effect of Nano-inorganic Fillers/ polyethylene Glycol on the Properties of Polyethylene 纳米无机填料/聚乙二醇对聚乙烯性能的影响
Studies on the Pervaporation of Water/ Ethylene Glycol Mixture with Sulfonated Polyethylene Hollow Fiber 磺化聚乙烯中空纤维膜渗透蒸发分离水/乙二醇混合物的研究
Benzyl triethyl ammonium chloride, tetrabutyl ammonium bromide, OP-10, polyethylene glycol 200, polyethylene glycol 600, etc., these phase transfer catalysts ′ effect on the yield of this step was researched. 探索了苄基三乙基氯化铵、四丁基溴化铵、OP-10、聚乙二醇200和聚乙二醇600等几种相转移催化剂对该步反应收率的影响。
Polyether-ester thermoplastic elastomer, such as polyethylene glycol terephthalate-butylene terephthalate copolymer ( PEGT/ PBT) was synthesized by melt polycondensation from polyethylene glycol, butanediol and dimethyl terephthalate with Ti ( OBu) 4 as catalyst. The copolymer was characterized by means of GPC? FTIR? 采用熔融缩聚法设计合成了对苯二甲酸聚乙二醇酯对苯二甲酸丁二醇酯共聚物(PEGT/PBT),并用GPC、FTIR、NMR对合成产物进行了表征,结果表明所得共聚物与设计相符合。
The surface composition of the poly ( ethylene glycol)/ polyethylene ( PEG/ PE) blends was determined quantitatively using attenuated total reflectance FTIR spectroscopic ( FTIR-ATR) technique. 应用衰减全反射傅里叶变换红外光谱法(FTIRATR)对聚乙二醇/聚乙烯共混物(PEG/PE)薄膜的表面组成进行测试。
The lowest surface resistance of PP was 1.91 × 10~ 6 Ω with about 0.2% phr of polyethylene glycol oleate ( the weighted average molar weight of polyethylene glycol was about 4000 g/ mol). 重均摩尔质量为4000g/mol的油酸聚乙二醇酯最佳添加量是0.2份,共混物的表面电阻为1.91×10~6Ω。