本文论述了用机械发泡法制备聚乙烯醇缩甲醛泡沫塑料的工艺及其影响因素。
The preparation technology and its effect factors for polyvinyl formal foam plastic by way of mechanical foaming method were studied.
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.
表面活性剂是酚醛泡沫塑料的重要组成部分。文中探讨了表面活性剂在酚醛发泡树脂中的作用及表面活性剂的选择原则。
The surfactant is an important component of phenolic foam plastics. In the paper, the surfactant effects in phenolic foam resins and the method of choosing surfactant are 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 vesica nt foams and catalysts to the preparation of rigid polyurethanes foam is also discussed.
泡沫塑料是一种复合塑料，是通过发泡的方法加工出来的。
Foam plastic is a kind of composite plastics, is produced by foaming method.
复合泡沫塑料是新型的发泡塑料，对其缓冲特性进行评定具有重要的意义。
Syntactic foam is a new kind of foamed polymer. It is very important to value its cushioning properties.
PP发泡材料更是以其独特的性能成为泡沫塑料行业中的热点。
PP foamed material has become the hot spot in the plastic industry because of is unique properties.
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.
找出了发泡剂为氟里昂- 11的聚醚基浇注型聚氨酯硬泡沫塑料上述弹性性质的经验公式。
The experience formulas for the above-mentioned elastic properties of a moulded PUR foam of polyether base blown by F-11 are presented here.
合成高活性酚醛树脂，用它发泡制备酚醛泡沫塑料。
The phenolic foam plastic is prepared by foaming of synthetic high active phenolic resin.
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.
而泡沫塑料碗因含有发泡剂，经热水浸泡后，发泡剂中有害的物质就会溶出，随食物进入人体。
The bowl for containing foam blowing agents, the hot water immersion, foaming agent of harmful substances will be dissolved, with the food into the body.
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.
使用1,1,1,2-四氟乙烷和醇作为发泡剂的挤塑乙烯基芳族泡沫塑料。
Extruded vinyl aromatic foam with 1, 1, 1, 2 - tetrafluoroethane and alcohol as blowing agent.
在聚氨酯发泡过程中，加入稻壳，制备了稻壳添加聚氨酯泡沫塑料。
Rice hull was added in the molding of polyurethane foam system and a polyurethane foam material was synthesized. its preparation and degradation in natural condition were studied.
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.
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.
采用全水发泡工艺，通过对配方的调节，研制了一种具有一定耐压强度和较好吸油性能的聚氨酯软质泡沫塑料。
The flexible polyurethane foam that had certain compressive resistance and high oil absorption was prepared by water-blown formulation adjustment.
随着热水发泡时间的延长，泡沫塑料密度呈现负相关的联系。
With extending the period of hot water foaming time, the density of foamed sheet was decreased.
以改性聚丙烯酰胺与甲苯二异氰酸酯等进行混合发泡合成功能泡沫塑料。
The functional polyether polyurethane foam was synthesized by mixing the polyacrylamide and toluene 2, 4-diisocyanate, etc.
本文用水作发泡剂，通过变化用水量，研究软质聚氨酯泡沫塑料的密度与物理机械性能之间的关系。
This Paper studies the relationship between density of flexible polyurethane foam and it's physical-mechanical properties Under the condition of different amount of water as blowing agents.
综述了国内外淀粉和木质素基可降解发泡材料的研究现状，主要阐述了淀粉挤出发泡、烘焙发泡和木质素作为泡沫塑料增强剂的最新研究进展。
The newest research progress of starch-based and lignin-based foams is summarized. The extruded and baked starch-based foams and lignin-based foams as intensifiers in foamed plastics are discussed.
以PUR 发泡硬泡沫塑料为例，将此方法的计算结果与试验数据进行了比较。
The method has been used on the PUR rigid foam as an example and the result is satisfied comparing with the data of the experiment.
简单地介绍了几种用于聚氨酯泡沫塑料的CFC替代物——HCFC 发泡剂的性能特点。
Some HCFC blowing agents replacing CFC 11 for polyurethane foam are introduced in this paper.
简单地介绍了几种用于聚氨酯泡沫塑料的CFC替代物——HCFC 发泡剂的性能特点。
Some HCFC blowing agents replacing CFC 11 for polyurethane foam are introduced in this paper.
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