（4） 聚氨 酯泡沫塑料 （发泡塑科） 聚氨 酯泡沫塑料 又称为聚氨基甲酸 酯泡沫塑料 （ polyurethane foams ）。按产品软硬程度不 同分为硬质、半硬质和软质三类。
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催化剂对玉米秸秆基聚氨酯泡沫机械性能影响的研究 关键词：玉米秸秆；聚氨酯泡沫；机械特性；催化剂 [gap=1386]Key words：COrn stalk；polyurethane foams；mechanical properties；catalyst
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Flexible Polyester Polyurethane Foams 聚酯型聚氨酯泡沫塑料 ; 聚酯海绵又称聚酯型聚氨酯泡沫塑料
Rigid polyurethane foams 硬质聚氨酯泡沫塑料
Semi-rigid polyurethane foams 半硬质聚氨酯泡沫塑料
Rigid Polyether Polyurethane Foams 硬质聚醚型聚氨酯泡沫塑料 ; 硬质聚醚型
Integra1 skin polyurethane foams 整皮聚氨酯泡沫塑料
Flexible Polyether Polyurethane Foams 软质聚醚型聚氨酯泡沫塑料 ; 软质聚醚型
polyurethane foams foam 聚氨酯软泡
flexible polyurethane foams 软质聚氨酯泡沫塑料
Rigid Polyester Polyurethane Foams 硬质聚酯型聚氨酯泡沫塑料
Last, the structures of polyurethane foams used in cryogenic insulation and their applications are discussed.
最后叙述了聚氨酯泡沫塑料的低温绝热结构及应用情况。
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。
By hydrosilation reaction, the technological conditions for synthesis organosilicon foam stabilizers of polyurethane foams were studied.
通过硅氢化反应研究硅碳型聚氨酯泡沫塑料有机硅匀泡剂合成工艺条件。
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