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- Keywords diphenyl sulphone;potassium diphenyl sulfone sulfonate;synthesis; 二苯砜;二苯砜磺酸钾;合成;
- Keywords: diphenyl sulphone, potassium-diphenyl sulfone sulfonate, synthesis, 关键词:二苯砜,二苯砜磺酸钾,合成
- Keywords 4;4'-dihydroxy diphenyl sulphone;naphthalene;sulfonate;condense;tanning powers; 二羟基二苯砜;萘;磺化;缩合;鞣性;
- diphenyl sulphone 二苯砜(杀螨卵剂)
- Diphenyl carbonate shows a typical vinyl ester effect. 碳酸二苯酯表现典型的乙烯的酯类的效应。
- Diphenyl carbonate shows a typical vinyl ester effect . 碳酸二苯酯表现典型的乙烯的酯类的效应。
- Diphenyl ether is used as solvent and azeotropied with water. 利用联苯醚作为溶剂,与体系的水分进行共沸回流,达到充分脱水的目的。
- Diphenyl carbonate(DPC) is an important intermediate in plastic industry. 碳酸二苯酯是重要的有机中间体,应用于塑料工业。
- Diphenyl thiourea is an important intermediate of medicine and dyestuff. 二苯硫脲是重要的医药和染料的中间体。
- Purification of diphenyl ether by crystallization without solvent is discussed. 用无溶剂结晶法纯制二苯醚,该方法具有高效、经济和洁净的特点。
- Diphenyl carbonate is an important intermediate in plastic industry. 碳酸二苯酯是重要的有机中间体,广泛应用于塑料工业。
- BPA-Free: This bottle is made from Polyether Sulphone (PES) - a BPA-Free material with a natural honey-colored tint. 不含BPA,这个奶瓶用PES塑料制成,不含BPA,奶瓶是一种天然的蜂蜜色。
- The properties manufacture technology of polysulfide sulphone and polysulfide ketone were descussed,the applications about it are described. 综述了聚硫醚砜,聚硫醚酮的性能,制造工艺,介绍了应用领域。
- Epoxy resin and polyethersulfone (PES) co-fixing system using 4,4'-diaminodiphenyl sulphone (DDS) as curing agent was studied to discuss the effects of curing process and formula. 摘要为了探讨固化工艺及配方对环氧树脂体系微观结构的影响,研究了用4,4'-二氨基二苯砜(DDS)作固化剂的环氧树脂与聚醚砜(PES)共混体系。
- The MNDO semiempirical quantum chemistry method was used to study theconformation of diphenyl sulfide and diphenyl sulfoxide. 本文使用MNDO半经验量子化学方法对二苯硫醚和二苯亚砜的构象进行研究。
- The paper introduces the injection molding equipment, mold and molding technique for the thermotolerant engineering thermoplastic polyphenylene ether sulphone. 介绍耐高温热塑性工程塑料聚苯醚砜树脂的注射成型设备、模具和注射工艺等。
- The mechanical properties of a epoxy resin modified with poly(ether sulphone) (PES) were studied at room temperature(RT) and liquid nitrogen temperature(LNT). 用聚醚砜对环氧树脂进行室温和超低温的增韧研究,测试了该环氧树脂体系在室温和超低温的断裂韧性、冲击强度、弯曲性能、拉伸性能和压缩性能。
- 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。
- The catalyst system and technics for oxidative carbonylation of phenol to diphenyl carbonate (DPC) has been studied. 针对苯酚氧化羰基化合成碳酸二苯酯(DPC)洁净化工过程用催化剂和工艺条件进行了较系统的研究。
- Curing shrinkage, temperature and curing enthalpy of benzoxazine based on diphenyl oxide resin were investigated. 研究了苯并口恶嗪二苯醚树脂固化时的体积收缩率、固化温度和固化焓变等。