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- Spray coating with polyphenyl thioether 聚苯硫醚的喷涂
- Keywords Polyphenyl thioether;Synthesis;Fusion heat; 聚苯硫醚;合成;熔化热;
- NMPcan be used as polymer solvents and polymerization process medium,such as polyamides,polyphenyl thioether(pps),etc.which are called engineering plastics; NMP可用于聚合物的溶剂及聚合反应的介质,如聚酰亚胺、聚苯硫醚等工程塑料及芳纶纤维;
- polyphenyl thioether 聚苯硫醚
- Phenyl(or polyphenyl)substituted epoxides serve as excellent precursors to phenyl(or diphenyl)carbenes. 某些苯代(或多苯)环氧化物是制取带苯环(或二苯)碳烯的极好原料。
- A series of various thioether moiety content PEEKK copolymers were synthesized through nucleophilic substitution route. 首先将通过亲核取代反应制备了一系列不同硫醚含量的聚合物,以及硫醚含量相同但连接方式不同的聚合物,结构表征证明这些聚合物具有相近的分子量。
- Separation and analysis method of polyamines polyphenyl methane (MDA) by the LC ESI/MS was researched. 讨论了应用液相色谱 电喷雾质谱联用 (LC ESI/MS)分析多氨基多苯基甲烷的方法。
- Transform rates of thioether can arrive at 100% when the feed ratio of water to thioether is adeq... 当水足量时,硫醚脱硫率可达100%25,温度、压力、原料配比对平衡组成的影响很小。
- The results indicate that water needed by full aquathermolysis reaction increases with molecular weight of thioether. 计算结果表明:硫醚水热裂解反应所需的水蒸汽量随硫醚相对分子质量的增大而增多。
- In this paper, a polyphenyl substituted polyetherketone is synthesized in ambient conditions. 成功地合成了一种耐温等级高、可溶解的新型聚醚酮-多苯基取代联苯型聚醚酮。
- The effect of reaction temperature of the formation on thioether dianhydride monomer was discussed. 讨论了温度对硫醚二酐形成的影响。
- Toughening effects of polyphenyl elastomer, ABS, polyolefin elastomer and styrene resins on PS were studied with PS466F as matrix. 以聚苯乙烯 (PS) 46 6F为基体树脂 ,研究了不同抗冲击改性剂 :类苯乙烯弹性体、ABS、POE和苯乙烯类树脂对PS的增韧效果。
- A novel polyamic acid containing thioether segments with excellent thermal stability and transpanency was synthesized and characterized. 合成了一种具有耐高温、氧化稳定性及透明性的聚硫醚酰胺酸,并对各步中间产物进行了基本表征。
- The authors synthesized a new thioether compound whose molecular structure was identified by IR, MS and elementary analyses. 作者合成了新型的硫醚化合物,经元素分析、红外光谱和质谱分析,确证了化合物的分子结构。
- The double-faced color plate is normally used for the door.In the middle of door-body polyurethane or polyphenyl should be filled.The pervious window and small door can be set. 门体系统 :门板一般采用双面彩板,中间填充聚氨脂或聚苯,可开设透光窗和小门;
- The thermal stability of polyphenyl phosphate was analyzed by thermogravimetry and differential thermal method.The results indicated that it was thermal stable. 用热重和差热分析的方法对其热稳定性进行了分析,结果表明,其热稳定性甚好。
- Sulfur compounds in Russian atmospheric gas oil were separated into thiophene and thioether compounds by the oxidation-reduction method using selective oxidant and reducing agent. 摘要采用选择性氧化剂和还原剂对俄罗斯直馏柴油中的硫醚类硫化物和噻吩类硫化物分别进行分离和富集,得到两者的浓缩液。
- The process and conditions,including the temperature,molar ratio of reactants,catalyst and its quantity to be added, for the manufacture of polyphenyl phosphate,were studied. 对缩聚磷酸苯酯的合成工艺中的反应温度、反应物分子比、催化剂及其用量等进行了探讨,得出了合成缩聚磷酸苯酯的合适条件。
- Though adjusting the content and distribution of thioether moiety, we synthesized a series of novel poly (ether ether ketone) containing thioether moiety. 调整硫醚结构的含量及其序列分布,制备出一系列新型含硫醚结构聚醚醚酮。
- The purpose of polymethylene polyphenyl polyamines purification system is to get rid of anilin and water.The stripping tower and drying tower are two main separation units in the system. 多胺精制系统的任务是脱除粗多胺中的苯胺和水,针对现有工艺存在的精制效果差、消耗高等问题,分别对影响汽提塔和干燥塔的因素进行了模拟分析,提出了相应的改进措施。