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- rigid polyurethane materials 硬质聚氨酯
- The main materials to such as isocyanate, polyol, blowing agent and foam stabilizer et al, prepare rigid polyurethane foam are introduced. 摘要介绍了合成硬质聚氨酯泡沫塑料的主要原料，包括主体成分和发泡剂、泡沫稳定剂等；
- He principally engaged in the field of technology consultative about the multi-molecule materials, especially the rigid polyurethane foams, the soft foams and their assistant agent. 主要从事技术咨询中化工类有关高分子材料，尤其是聚氨酯硬泡，软泡及其助剂的咨询业务。
- The incombustibility of the military rigid polyurethane (PU) foam materials was studied.The optimum formula of compound flame retardant was determined by screening and orthogonal test. 为提高军用聚氨酯硬质泡沫迷彩伪装材料的阻燃性能,对各种阻燃剂进行了筛选并进行正交复配试验,确定了复配阻燃剂的最佳配方。
- The application actualities and developing trend of rigid polyurethane foam plastics in field works are introduced. 介绍了硬质聚氨酯泡沫塑料在野战工事领域应用现状、发展趋势。
- A polyether premix for rigid polyurethane foam was prepared from self made polyether polyol,isopentane,water,etc. 以异戊烷和水为发泡剂,采用自制的聚醚多元醇,研制一种聚氨酯硬泡聚醚组合料。
- It is a good-quality and new-type product used for manufacturing rigid polyurethane cellula plastic. 主要应用于生产硬质聚氨酯泡沫塑料，是一种优良的新型产品。
- The hole break of rigid polyurethane foam and the RPU were discussed by analyzing meso structures of RPU. 通过对合成的纯的和增强的硬质聚氨酯泡沫塑料(RPU)进行的细观分析,探讨了泡孔的破坏形式和增强相的作用。
- The chemorheology of multiphase/cure system of polyurethane materials was studied by using different quantity of catalyst for each catalyst system. 通过采用不同催化体系及在同一体系下不同催化剂的用量,研究了聚氨酯交联多相体系的化学流变性。
- A rigid polyurethane foam for the roof trimming is prepared, and the moulding method is introduced. 制备了顶内饰用聚氨酯硬泡，介绍了硬泡顶内饰成型方法。
- Isocyanate trimers possess characteristics of good thermal stability,lower viscosity,lower volatility and so on,and are widely used in preparation of polyurethane materials. 异氰酸酯三聚体具有热稳定性好、黏度和挥发性低等特点,在聚氨酯材料制备中得到广泛应用。
- Accelerated hygrothermal aging tests of rigid polyurethane foam were carried out to simulate the in-door store lifetime. 对硬质聚氨酯泡沫塑料进行了贮存寿命预测研究。
- The used chain extender N,N-bis(2-hydroxypropyl) aniline was separated from polyurethane materials by dissolution,reduction,solvent extraction and column chromatographic analysis. 采用溶解、还原、溶剂萃取和柱层析从聚氨酯材料中分离出所用扩链剂N,N二(2羟丙基)苯胺。
- The relevant safety technique and the safety operaional procedures in cyclopentane blowing process of rigid polyurethane foam are introduced. 介绍了聚氨酯硬泡环戊烷发泡工艺中相关的安全技术和安全操作规程。
- Abstract The chemorheology of multiphase/cure system of polyurethane materials was studied by using different quantity of catalyst for each catalyst system. 摘要 通过采用不同催化体系及在同一体系下不同催化剂的用量,研究了聚氨酯交联多相体系的化学流变性。
- The preparation,microstructure,compressive properties and thermal stability of the glass bead reinforced rigid polyurethane foams(PUR/GB) are studied. 研究了玻璃微珠增强硬质聚氨酯泡沫塑料的制备、微观结构、压缩性能和热稳定性。
- Rigid polyurethane foams reinforced by nano-SiO_2 and nano-CaCO_3 were prepared through in-situation dispersion and polymerization by ultrasonic. 通过超声作用,利用在位分散聚合方法制得了纳米二氧化硅及纳米碳酸钙增强硬质聚氨酯泡沫塑料。
- The selection of blowing agent and the method of modifying fire retardance of rigid polyurethane foams were briefly introduced. 简要介绍硬质聚氨酯泡沫塑料的发泡剂选择和改进阻燃性的方法。
- The main component of polyurethane foam and the technique were studied to develop a rigid polyurethane foam(PUF) which could be used in the sandwich structure. 针对夹层结构的特点,通过对聚氨酯泡沫的各主要组分及发泡工艺的研究,研制出了一种适用于夹层结构的硬质聚氨酯泡沫。
- Biodegradable polyurethane materials,which possess excellent properties,such as good biocompatibility and mechanical strength,facile formation and so on,have been applied in medical treatment widely. 可生物降解聚氨酯材料具有良好的生物相容性、机械强度好、易加工等特点,在医学中应用十分广泛。
