1) frothed polyurethane foam
沫状聚氨酯泡沫塑料
3) polyurethane foam
聚氨酯泡沫塑料
1.
Research development of blowing agent of polyurethane foam in environmental protection;
环保聚氨酯泡沫塑料发泡剂研究进展
2.
Study on polyurethane foam modified by bismaleimide and epoxy resin;
双马来酰亚胺/环氧树脂改性聚氨酯泡沫塑料的研究
3.
Preparation and performance characterization of lignin-based polyurethane foam;
碱木质素基聚氨酯泡沫塑料的制备和性能表征
4) polyurethane foams
聚氨酯泡沫塑料
1.
This paper mainly introduced the research and development of polyurethane foams,based on starch,rosin,plant oil,lignin and cellulose both at home and abroad.
主要介绍了目前国内外利用淀粉、松香、植物油、纤维素、木质素等生物质原料用于合成聚氨酯泡沫塑料的研究进展。
2.
The recent progress of silicone active agents both polydimethyl siloxane and oxyalkylene siloxane copolymer for polyurethane foams are reviewed.
综述了近年来有机硅表面活性剂聚二甲基硅氧烷、聚醚改性聚硅氧烷作为聚氨酯泡沫塑料匀泡剂的研究进展,重点介绍了其主要品种S i─C型聚醚改性聚硅氧烷在无溶剂工艺、催化剂的制备及聚醚配方优化等方面的进展,指出目前提高国产软泡匀泡剂的产品质量是聚氨酯有机硅匀泡剂研究的发展方向。
3.
The comparisions were made between the flame retardant behavior of EG and that of some halogen-free flame retardants (HFFR) in rigid polyurethane foams (RPUF).
对近年出现的一种新型膨胀阻燃剂———可膨胀石墨(EG)在硬质聚氨酯泡沫塑料(RPUF)中的阻燃性能与其它几种无卤阻燃剂作了比较。
6) PU foam
聚氨酯泡沫塑料
1.
The conductivity and hardness of the PU foam plastics could be controlled within a certain field to meet the needs of various applications.
通过改变两种胶粘剂及导电填料配比,使聚氨酯泡沫塑料的导电率及泡沫塑料的软硬度在一定范围内可调,产品可满足不同的使用要求。
2.
The density distribution of PU foam for refrigerator was studied.
对冰箱用聚氨酯泡沫塑料的密度分布机理进行了探讨,为配方和工艺优化提供了有价值的参考,并通过对密度分布的研究来解决冰箱泡沫的其他性能缺陷。
3.
The purpose of this paper was that studying the best batch formula of PU foam materials by investigating the synthesis technology of FPUF and RPUF, and improving the performance of PU foam materials by adding nano-SiO_2 We gained the surface modified nano-SiO_2 by treating nano-SiO_2 with KH-570.
聚氨酯泡沫塑料的合成工艺、配方及其与其他材料的复合工艺对它的分子结构、泡孔形态等都有直接的影响,从而影响其力学性能。
补充资料:沫状聚氨酯泡沫塑料
分子式:
CAS号:
性质:利用沫状发泡工艺制备的聚氨酯泡沫塑料。将发泡剂或微细的空气泡在加压下送入聚氨酯混合料液中制成泡沫体。一般利用两种沸点差别较大的氟里昂F11和F12做起泡剂。第一次利用物料温度使F12首先气化,将未参与反应的组分经混合后形成沫状物注入制品模具内。然后再利用化学反应热使F11二次气化,使物料发泡、交联、固化得到泡沫制品。特点是:发泡倍率大,密度低,发泡压力小,对模具耐压要求低,泡沫密度均匀。
CAS号:
性质:利用沫状发泡工艺制备的聚氨酯泡沫塑料。将发泡剂或微细的空气泡在加压下送入聚氨酯混合料液中制成泡沫体。一般利用两种沸点差别较大的氟里昂F11和F12做起泡剂。第一次利用物料温度使F12首先气化,将未参与反应的组分经混合后形成沫状物注入制品模具内。然后再利用化学反应热使F11二次气化,使物料发泡、交联、固化得到泡沫制品。特点是:发泡倍率大,密度低,发泡压力小,对模具耐压要求低,泡沫密度均匀。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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