并对大坝的保温方案进行分析，最后采用硬质发泡沫聚氨酯保温方案对大坝坝面进行保温。
The scheme of spraying the hard foaming polyurethane is chosen to heat insulated of the dam.
酚醛泡沫资料属高分子有机硬质铝箔泡沫商品，是由热固性酚醛树酯发泡而成。
Phenolic foam material is a kind of polymer organic hard aluminum foil foam products, is made of thermosetting phenolic resin foam.
探讨了聚酯多元醇、泡沫稳定剂、发泡剂及催化剂等原料对硬质聚氨酯泡沫塑料制备的影响。
The influence of some raw materials such as polyester the uniformity vesica nt foams and catalysts to the preparation of rigid polyurethanes foam is also discussed.
介绍了硬质聚氨酯泡沫塑料全水发泡工艺的基本原理。
Introduced the rigid polyurethane foam plastics entire water foaming craft basic principle.
介绍硬质聚氯乙烯结皮发泡板材性能特点及其在音响器材上的应用。
The properties and characteristics of HPVC crust foaming plate as well as its application in the acoustics have been introduced.
以淀粉乙二醇糖甙聚醚、多苯基多次甲基多异氰酸酯(PAPI)为主要原料，对聚氨酯硬质泡沫塑料的发泡工艺进行了研究。
A polyurethane (PU) rigid foam was prepared, using PAPI and the polyether polyols deried from starch ethylene glycol glycoside (EGG) as the main materials, and the foaming processing was studied.
在低发泡硬质聚氯乙烯整体门板的挤出成型中，控制聚合物熔体的流动和发泡是保证产品质量的关键。
To control the melt flowing and foaming of polymer are the key factors to ensure the quality of products during the extrusion moulding of the integral door leaf of low foamed rigid PVC.
用途：钛粉原料，发泡材料，粉末冶金，硬质合金添加剂，烟花。
Uses: titanium powder materials, foam materials, powder metallurgy, hard alloy additives, fireworks.
探讨了聚酯多元醇、泡沫稳定剂、发泡剂及催化剂等原料对硬质聚氨酯泡沫塑料制备的影响。
The influence of some raw materials such as polyester the uniformity, vesicant foams and catalysts to the preparation of rigid polyurethanes foam is also discussed.
探讨了聚酯多元醇、泡沫稳定剂、发泡剂及催化剂等原料对硬质聚氨酯泡沫塑料制备的影响。
The influence of some raw materials such as polyester the uniformity vesicant foams and catalysts to the preparation of rigid polyurethanes foam is also discussed.
探讨了聚酯多元醇、泡沫稳定剂、发泡剂及催化剂等原料对硬质聚氨酯泡沫塑料制备的影响。
The influence of some raw materials such as polyester, the uniformity, vesicant foams and catalysts to the preparation of rigid polyurethanes foam is also discussed.
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；
The main materials to such as isocyanate, polyol, blowing agent and foam stabilizer et al, prepare rigid polyurethane foam are 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 selection of blowing agent and the method of modifying fire retardance of rigid polyurethane foams were briefly introduced.
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。
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.
用RM-200转矩流变仪对不同配方的硬质低发泡聚氯乙烯（PVC）的流变性能进行了分析。
The RM-200 torque-rheometer was used to study the rheological properties of the rigid low-foamed poly(vinyl chloride)(PVC) in this paper.
研究了硬质pvc低发泡窗饰片材的工艺配方及生产中易出现的问题。
Process and compositions of low expanded rigid PVC sheets for window decoration are studied as well as the problems easily occurred in the production process.
本发明涉及一种由甘蔗渣制备的聚氨酯硬质泡沫材料，其采用甘蔗渣降解液完全替代聚合多元醇经发泡而成。
The present invention relates to a kind of hard foamed polyurethane material prepared with bagasse degrading liquid to replace polyol polymer and through foaming.
本发明涉及一种由甘蔗渣制备的聚氨酯硬质泡沫材料，其采用甘蔗渣降解液完全替代聚合多元醇经发泡而成。
The present invention relates to a kind of hard foamed polyurethane material prepared with bagasse degrading liquid to replace polyol polymer and through foaming.
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