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- 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。
- 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。
- 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。
- 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。
- 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。
- It hax strong stickness and freezing-resistant.It can stick foam glass and non-deep-cold polyurethane material in the deep-cold part. 具有粘结力强,抗冻性好,能在深冷部位对泡沫玻璃和非深冷层聚氨酯等材料粘结成型,有较好的柔韧性和低温粘结力。
- The good characteristic of polyurethane material makes the polyurethane sieve plate evidently exceed the rubber sieve plate in the application and processing. 由于聚氨酯材料优良的特性使得聚氨酯筛板在应用与加工方面明显优于橡胶筛板。
- The large base that polyurethane material makes is used in shoemaking industry, certain proportion is had in the whole bottom material of place application. 在制鞋工业中使用聚氨酯材料制作的大底,在所应用的整个底材中占有一定的比例。
- Moreover, a polyurethane material which has the excellent properties such as high clarity, strong rigidity, wearable and high glass transition temperature was synthesized by the obtained polyester. 并以所得聚酯合成了具有透明度高、硬度大、耐磨、玻璃化温度高等优异性能的聚氨酯材料。
- Investigation on cement joint polyurethane materials 水泥嵌缝用聚氨酯密封胶
- Many natural materials are becoming scarce. 许多天然原料越来越少。
- The beautiful curtain is made of remnant materials. 这个漂亮的窗帘是用零头布做的。
- Standard Classification System for Thermoplastic Polyurethane Materials 热塑性聚氨酯材料的标准分类系统
- Some synthetic materials do not crush easily. 有些化纤衣料不易起皱。
- General Analysis of Chain Extender in a Kind of Polyurethane Materials 一种聚氨酯材料中扩链剂的综合解析
- Everything we used was made from natural materials. 我们所用的一切都是由天然材料做成的。
- He buys the materials wholesale. 他成批地购买原材料。
- The protective plastic jacket consists mainly of polyurethane. 现在给瓶子包上一层用聚安酯制成的外套。
- He is collecting materials for a book. 他正在为写书搜集素材。
- Building materials are expensive. 建筑材料很昂贵。