异氰酸酯

  • 网络MDI;tdi;PMDI;papi;HDI
异氰酸酯异氰酸酯
  1. 异氰酸酯在麦秸刨花板制造中的作用研究

    Influence of MDI on the making of wheat - straw particleboard

  2. 在异氰酸酯麦秸刨花板制造中粘板问题的研究

    The research on sticking board of MDI in the wheat-straw particleboard

  3. 介绍了一种无游离异氰酸酯基聚氨酯胶粘剂的制备方法,采用端环氧基聚氨酯为A组分,多胺化合物为B组分。

    A method for preparing a polyurethane adhesive without free isocyanate monomer is introduced .

  4. 封闭型异氰酸酯齐聚物及与PET反应性共混

    Synthesis of Terminated Isocyanate Oligomers and Their Reactive Blending With PET

  5. 热塑性聚氨酯弹性体主要由含OH的低聚物多元醇、小分子扩链剂和异氰酸酯等原料聚合而成。

    Thermoplastic polyurethane elastomers are prepared with polyol ester containing OH , isocyanate and a chain extender .

  6. 该胶以端异氰酸酯基聚氨酯预聚体为A组分,以端羟基聚氨酯预聚体和其它固化剂为B组分。

    Hydroxyl-Terminated polyurethane prepolymer is the mainly component of A , B is made of Isocyanate-Terminated polyurethane prepolymer and other curing agents .

  7. 对甲苯磺酰异氰酸酯柱前衍生化HPLC法测定二甘醇等物质的含量

    Determination of Diethylene Glycol Et Al . by HPLC after Precolumn Derivatization with P-toluenesulfonyl Isocyanate

  8. 利用DSC研究异氰酸酯与纤维素的反应机理

    The DSC Study on the Reaction Mechanism of Isocyanate with Cellulose

  9. 选用聚合物H和改性异氰酸酯K为主要原料合成聚氨酯灌封胶。

    Polyurethane ( PU ) pouring sealant was synthesized with polymer H and modified isocyanate K as basic materials .

  10. 并通过天然维生素E生产、废润滑油回收、鱼油精制、异氰酸酯单体脱除、烷基多苷脱醇的工业化实例,阐明了分子蒸馏技术在绿色精细化工中的广阔应用前景。

    Examples are given to expound the broad prospects for the application of molecular distillation in green fine chemical industry .

  11. 本文采用水性高分子异氰酸酯胶(API胶粘剂)对东北主要树种落叶松、桦木和柞木的胶接性能进行了研究。

    Bonding properties of Larch , Birch and Oak with aqueous polymer isocyanate adhesives were studied in this paper .

  12. 利用FTIR对苯基异氰酸酯与不同含水率纤维素反应的研究

    The FTIR Study on the Reaction of Benzyl Isocyanate and Cellulose with Different Moisture Content

  13. 介绍了用于双组分水性聚氨酯涂料的羟基丙烯酸酯树脂分散体(A组分)和多异氰酸酯(B组分)的改性进展;

    The research progresses of hydroxyl acrylic resin dispersion ( component A ) and modified polyisocyanate ( component B ) used in two-component waterborne polyurethane coatings were introduced .

  14. 松香酯树脂改性多异氰酸酯预聚物是松香在PU涂料中应用的一个途径。

    One of applications of rosin in PU paint is rosin ester resin modified polyisocyanate prepolymer .

  15. 稀土Schiff碱配合物催化烷基异氰酸酯室温聚合

    Room temperature polymerization of alkyl-isocyanates catalyzed by rare earth Schiff base complexes

  16. 封端异氰酸酯对低粘度PBT改性的研究

    Study on modification of low viscosity PBT with blocked isocyanate

  17. 异氰酸酯对EPDM橡胶粘接的影响

    Effect of Isocyanates on Adhesion of EPDM Rubber

  18. 多元醇的结构舒展性与多异氰酸酯预聚物的游离TDI

    Extension property of structures of polyols and free TDI of polyisocyanate prepolymer

  19. 直接合成法制造低游离TDI多异氰酸酯预聚物的配方设计与实用配方参数

    Formulation Design of Direct Preparation of Low Free-TDI Polyisocyanate Prepolymer and Formulation Parameters

  20. 结果表明:随异氰酸酯指数R的提高,微孔聚氨酯弹性体的硬度、拉伸强度和冲击弹性增加,而伸长率则下降;

    The result shows that with the increase of isocyanate index ( R ), hardness , tensile strength and elasticity accordingly increase , but elongation at break reduces .

  21. 另外,还利用DSC,对二月桂酸二丁基锡对封闭异氰酸酯组分热解封温度的影响进行了讨论。

    The catalytic effect of dibutyl tin dilaurate on thermal dissociation of blocked isocyanate crosslinkers by DSC was also discussed .

  22. 异氰酸酯(MDI)胶在麦秸板制造中的作用研究

    The Influence of MDI on the Making of Wheat-straw Particleboards

  23. TGA与FTIR的结果表明失重阶段即对应封闭异氰酸酯的解封闭反应。

    Results from TGA and FTIR showed that the degradation stage was a deblocking reaction of the blocked adduct .

  24. 利用异氰酸酯(&NCO)封端的聚氨酯(PU)预聚物同丙烯酸/丙烯酸羟丙酯共聚物(PA)反应得到聚氨酯接枝聚丙烯酸共聚物网络。

    The copolymer networks were prepared by the reaction of isocyanate terminated PU prepolymer with acrylic acid / hydroxy propyl ester acrylate .

  25. 本文将介绍并简单评述异氰酸酯改性的双酚F型乙烯酯树脂的合成工艺、性能与结构的关系及应用。

    In this paper is briefly described the synthesis , relationship between properties and structures . and application of Bisphenol F type vinyl ester resin modified with isocyanate .

  26. 对水性高分子-异氰酸酯胶黏剂(API)主剂进行改性,以提高API的耐水、耐热及胶接硬木的性能。

    Aqueous vinyl polymer-isocyanate adhesive ( API ) was modified to improve its bonding strength , water - and heat-resistance when it was used for hardwood bonding .

  27. 本论文采用差示量热扫描仪(DSC)研究方法,探讨了封闭异氰酸酯的解封闭温度以及影响封闭产物解封闭的主要因素;

    By means of DSC , the unblocking temperature of blocked isocyanate adhesives and the key parameters that affected the unblocking were discussed .

  28. 以HDI为异氰酸酯组分,制备聚醚型脂肪族聚氨酯预聚体。

    Using HDI as isocyanate component , aliphatic polyether PU prepolymer was prepared .

  29. 无游离异氰酸酯聚氨酯胶粘剂的研制分光光度法测聚氨酯胶粘剂中NCO含量的研究

    Study on Isocyanate Monomer Free Polyurethane Adhesive

  30. 异氰酸酯MDI制造及市场概况

    Isocyanate MDI producing add market survey