聚环氧丙烷
- 网络Polypropylene oxide;ppo;PPG
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纯化物经红外光谱法、核磁共振波谱法、凝胶渗透色谱法、膜渗透压法和元素分析法测试表明,试样为聚苯乙烯与聚环氧丙烷的多嵌段共聚物。
The purified products were characterized by infrared spectroscopy , nuclear magnetic resonance spectroscopy , gel permeation chromatography , membrane osmometry , elemental analysis , and shown to be multiblock copolymers of polystyrene and polypropylene oxide .
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非交联组份对端乙烯基聚环氧丙烷/聚苯乙烯网状共聚物粘弹性的影响
The effect of unattached macromolecule chains on the viscoelasticity of vinyl terminated polypropylene oxide / polystyrene copolymer networks
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以聚环氧丙烷醚(PPG)和端羟基聚环氧氯丙烷醚(PECH)为聚醚多元醇,合成了多嵌段聚醚型聚氨酯弹性体(PU)。
A series of segmented polyurethane ( PU ) based on polyoxypropylene ( PPG ) and hydroxy terminated polyepichlorohydrin ( PECH ) was synthesized .
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聚环氧丙烷与氧的接触电荷转移复合物及其暗氧化降解
The oxygen contact charge transfer complex of poly ( propylene oxide ) and its dark oxidative degradation
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并通过正交实验研究了最佳反应条件,对聚环氧丙烷的分子量影响顺序为:引发剂用量,反应温度和催化剂浓度。
The best reactional condition is : the amount of initiator , temperature and concentration of catalyst .
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该方法适用于环氧基封端的聚环氧丙烷环氧乙烷聚醚多元醇和脂肪醇环氧基封端聚醚。
But the method was used for the end-epoxy group polyether polyols and the end-epoxy groupalkyl alcohol polyether .
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用溶液聚合法合成了五种不同扩链剂,软段为胺端基聚环氧丙烷的聚脲氨酯和聚脲。
A series of amine-terminated polypropylene oxide based thermoplastic polyureas with various chain extender were synthesized vis solution polymerization .
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用(13)~C-NMR波谱研究了稀土聚环氧丙烷的微结构。
The microstructure of rare-earth poly ( propylene oxide )( ppo ) has been investigated by 13 C-NMR spectra .
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介绍了聚环氧丙烷类高抗收缩剂的收缩机理和制备方法,并且对其进行了抗压强度及抗拉强度的性能测试。
The reaction mechanism , method of synthesis and property testing of polyoxypropylene series compounds as shrinkage reducing agents in cement concrete are introduced in this paper .
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聚环氧氯丙烷γ辐射效应的NMR研究
NMR Studies of γ - Irradiated Bulk Polyepichlorohydrin
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聚环氧氯丙烷的合成及其在PU中的应用
Synthesis of Polyepichlorohydrin and Its Application in PU
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聚环氧氯丙烷聚氨酯/聚苯乙烯IPN的玻璃化转变行为
The glass transition behavior of POLYEPICHLOROHYDRIN-BASED polyurethane / polystyrene interpenetrating polymer networks
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聚环氧氯丙烷&二甲胺与PAC复配,不仅可使絮凝效果更佳,而且可降低处理成本。
Using polyamine flocculants with PAC , not only shows better flocculation performance , but also can lower the water treatment cost .
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因此,本课题研究了减少溶剂四氯化碳用量以及使用其他溶剂对合成的聚环氧氯丙烷胺化物PECH-amine的影响。
For this reason , this paper trys to use less amount of CCl4 or replace CCl4 by other solvents for the synthesis of PECH-amine .
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聚环氧氯丙烷胺化物PECH-amine是由环氧氯丙烷的聚合物与二甲胺在95℃条件下反应得到的阳离子改性剂。
PECH-amine is one of the cationic modification agents which come from the reaction of dimethylamine and polymer of epichlorohydrin under the condition of 95 ℃ .
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并通过烧杯实验研究了聚环氧氯丙烷&二甲胺对染料模拟废水、实际印染废水和炼油厂废水的效果,以及与聚合铝(PAC)复配的絮凝效果。
At the end of the experiments , the flocculation efficiency of the polymers for dye liquor , printing and dyeing wastewater and oil refinery effluent and the flocculation efficiency of polyamine flocculants used with PAC were studied by jar test .
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阳离子开环聚合制备端羟基聚环氧氯丙烷(PECH)时,往往伴随着一定量齐聚物的生成而使聚醚质量劣化。
Oligomers are often formed in the preparation of hydroxy-terminated polyepichlorohydrin ( PECH ) by cation ring-opening polymerization , so that quality of PECH is reduced .
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PEI的亚胺基与聚环氧氯丙烷(PECH)的氯甲基反应得到交联的PEI膜,二甲基甲酰胺为交联反应的溶剂,交联反应温度为100℃,反应时间以3小时为宜。
Cross-linked PEI membrane was prepared through the reaction between secondary amino groups in PEI with chloromethyl groups in polyepichlorohydrin ( PECH ) . The solvent used is N , N-dimethylformamide , the cross-linking temperature and time are 100 ℃ and 3h , respectively .
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目前,关于聚环氧氯丙烷胺化物PECH-amine的研究报道已经有很多,但主要都是研究PECH-amine对棉麻等纤维素纤维织物的改性以及改性纤维纤维的活性、直接等染料染色性能。
Currently there are many researches about the PECH-amine , but they are mainly about the modification of cotton or other cellulose fibers with PECH-amine and also the dyeing performance of modified fabric on reactive or direct dyes .
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聚环氧氯丙烷/液晶复合富氧膜的研究聚环氧氯丙烷的合成
A Study on Oxygen-Enrichment of PECH / Liquid Crystal Composite Membranes
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纸浆纤维-聚环氧氯丙烷-二甲胺接枝物的制备及其助留助滤性能
Preparation and Properties of Pulp Fibers-epichlorohydrin-dimethylamine as Retention and Drainage Aid
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端羟基聚环氧氯丙烷醚合成的可控性研究
Controllability Study of Controllable Polymerization of Epoxy Chloropropane with Hydroxyl Terminated
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聚环氧氯丙烷氨酯阻尼材料的阻尼性能研究
Study on the damping property of polyepichlorohydrin urethane damping materials
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单体插入-层间聚合法合成聚环氧氯丙烷二甲胺/膨润土
Preparation of epichlorohydrin-dimethylamine cationic polymer / bentonite by inter-layer polymerization
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聚环氧氯丙烷胺的合成及其在荷电镶嵌膜中的应用
Preparation of polyepichlorohydrin amine and its application to the charged mosaic membrane
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相转移催化聚环氧氯丙烷与亚硫酸盐磺化反应
Sulfonation of Polyepichlorohydrin and Sulfite with Phase Transfer Catalysis
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阳离子改性剂聚环氧氯丙烷胺化物的应用
Application of Cationic Modifying Agent PECH-Amine to Cellulosic Fibres
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齐聚醚接枝聚环氧氯丙烷中的离子传导行为
Ionic conduction behavior in the oligo-oxyethylene grafted polyepichlorohydrin
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端环氧基聚环氧氯丙烷的合成及性能研究
Study on synthesis and performance of epoxy-terminated polyepichlorohydrin
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聚环氧氯丙烷聚氨酯/聚甲基丙烯酸甲酯互穿网络的合成与动态力学行为
Synthesis and dynamic mechanical behavior of polyepichlorohydrin polyurethane / polymethyl methacrylate interpenetrating polymer networks