3) hard polyurethane
硬质聚氨酯
1.
Introduces a new type of hard polyurethane waterproof heat insulating material,which was made from isocyanic esters and polyhydric alcohols,also added by kinds of suitable auxiliary agents.
介绍了一种以异氰酸酯、多元醇为原料,适量添加多种助剂的硬质聚氨酯防水保温材料。
2.
In this article,with respect to the properties of cool insulation material and material selection principles with economy,the advantages of selecting foam glass and hard polyurethane composition structure under the working condition of-30℃were introduced in this article.
从保冷材料的性能和经济等选用原则入手,重点介绍了-30℃以下的情况下选用泡沫玻璃和硬质聚氨酯复合保冷结构的优点,并结合实践经验,论述了在施工中常见保冷失效的主要原因。
4) rigid polyurethane foam
硬质聚氨酯泡沫
1.
Preparation and Properties of Rigid Polyurethane Foam/layered Silicate Composites;
硬质聚氨酯泡沫塑料/层状硅酸盐复合材料的制备与性能研究
2.
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。
3.
The effect of particle size of expandable graphite (EG) on the fire-retardancy of high density rigid polyurethane foam (RPUF) (0.
考察了不同粒径EG填充的硬质聚氨酯泡沫塑料(RPUF)的微观形态,研究了EG对于RPUF燃烧行为的影响。
5) rigid PU foam
硬质聚氨酯泡沫
1.
The principal of measurement of a true volume and density measurement instrument ULTRA1000 and measurement method of the close (open) cell content for rigid PU foam using the ULTRA1000 were introduced.
介绍了ULTRA1000真密度仪的测量原理,将ULTRA1000真密度仪用于硬质聚氨酯泡沫材料的闭(开)孔率测试,并与ISO4590—2002标准方法进行了比较。
6) spraying rigid polyurethane
喷涂硬质聚氨酯
补充资料：半硬质胶
分子式：
分子量：
CAS号：
性质：见硬质橡胶。
分子量：
CAS号：
性质：见硬质橡胶。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条