melamine resins

• Specification for industrial rigid laminated sheets based on thermosetting resins for electrical purposes part 3 : specifications for individual materials sheet 3 : requirements for rigid laminated sheets based on melamine resins
  电气用热固性树脂工业硬质层压板规范第3部分:单项材料规范第3篇:对三聚氰胺树脂硬质层压板的要求
• Insulating materials - industrial rigid laminated sheets based on thermosetting resins for electrical purposes - part 3 - 3 : specifications for individual materials - requirements for rigid laminated sheets based on melamine resins
  电工用热固性树脂基工业刚性层压板规范.第3部分:各种材料规范.第3活页:密胺树脂基刚性层压板的要求
• Insulating materials - industrial rigid laminated sheets based on thermosetting resins for electrical purposes - part 3 - 3 : specification for individual materials - requirements for rigid laminated sheets based on melamine resins
  绝缘材料.电工用工业刚性热固性树脂基层压板材.第3 - 3部分:单项材料规范.三聚氰胺树脂基刚性层压板的要求
• When the content of nano - silica reached 1 . 0 % , the waterproofing coatings had the best performance . the organic - mmt and melamine resin compound modification and the organic - mmt and organic nano - sio2 compound modification were studied
  还研究制备了有机蒙脱土和交联剂复合及有机蒙脱土和接枝处理纳米sio _ 2复合改性聚合物水泥基防水涂料。
• In japan , an amendment law on construction standards has been implemented , which is stipulated that the products containing formaldehyde should not be used indoors , including urea - formaldehyde resin , melamine resin and resorcinol resin
  日本已开始实施建筑标准法修正案，规定室内不允许使用含甲醛系列防腐剂的脲醛树脂、三聚氰胺树脂和间苯二酚树脂等产品。
• The synthesizing process can be finished in a single kettle . not only technology is very simple , but also the reaction time is shortened , therefore , the production efficiency is obviously increased . the general performances of modified melamine resin superplasticizer jd can be furthermore improved by compounding amino - arylsulphonate phenol formaldehyde condensate superplasticizer hpp
  使用廉价的活性单体尿素取代三聚氰胺单体以降低高效减水剂的生产成本，并将取代量提高到了目前最高水平17 ；合成在一个反应釜中完成，工艺简单，反应时间缩短，提高了生产效率；本文通过物理改性的手段，即复配氨基磺酸盐高效减水剂hpp ，可进一步改善改性密胺树脂高效减水剂的综合性能。
• By testing according to correlation criterions , the performances of jd such as ratio of water - reducing , ratio of compressive strcngth , effect of accelerating and enhancing strength , ratio of bleeding , air entrainment content , effect of keeping slump value , compatibility with cement , resistance to concrete shrinkage and damage by freezing and thawing and water - tightness etc are all better than that of the traditional melamine resin superplasticizer sm and naphthalene series superplasticizer fdn
  按照相关标准进行测试，所开发的改性密胺树脂高效减水剂的各种性能如减水率、抗压强度比、早强增强效果、泌水率、引气性、坍落度保持效果、与水泥适应性、收缩性能、抗冻融性能、抗渗性能等都远远优于传统的三聚氰胺高效减水剂sm ，也优于萘系高效减水剂fdn 。