聚合MDI是制造聚氨酯硬质和半硬质泡沫材料的主要原料。
Polymetric MDI is important material to make polyurethane horniness and semi-horniness foam.
介绍了固体火箭发动机喷管硬质泡沫塑料堵盖的设计方法与试验过程。
Design methods and test process of nozzle closure made of hard foamed plastics for SRM are introduced.
聚苯乙烯泡沫塑料和聚氨酯硬质泡沫是影响外保温体系防火安全机能的枢纽因素。
Polystyrene foamed plastic and polyurethane hard foam is the influence of the thermal insulation system of fire prevention safety factors of the functioning of the hub.
是否需要在现有的技术前提下过多地进步聚苯乙烯泡沫塑料和聚氨酯硬质泡沫的阻燃性指标？
Whether to need in the existing technology premise too much progress polystyrene foamed plastic and polyurethane hard foam flame retardancy index?
它的目的用它制作航模，能克服制作尾部上翘，上表面略穹的硬质泡沫塑料机翼难以定型的困难。
It is used to produce the model airplane without causing the tail to bend upwards. The difficulty for the stereotype of the rigid foam plastic wing with dome upper surface is solved.
将涤纶废产物用二甘醇和三元醇经酯基转移合成齐聚酯多元醇，并用其制备聚氨酯硬质泡沫塑料。
A study was conducted to synthesize oligoester alcohols from poly (ethylene terephthalate) production wastes via transesterification with diethylene glycol and tribasic alcohol.
那么，聚苯乙烯泡沫塑料和聚氨酯硬质泡沫材料的阻燃机能达到何等程度才能保证整个体系的防火安全？
So, polystyrene foamed plastic and polyurethane hard foam to the flame retardant function to ensure the whole system how much the fire prevention safety?
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.
RW实验室测试显示：虽然后跟避震可能是基于从后跟到足弓的硬质泡沫薄边，但是后跟避震效果是稳定牢固的。
RW Lab tests show the resulting heel cushioning to be on the firm side, though this could be a result of the thin band of hard foam extending from the heel to the arch.
原油长输管道浅埋及低洼段的热能损失较大，采用聚氨酯硬质泡沫保温层效果良好（其保温效率达86.3％）。
Shallow buried and lowland laid pipelines, on account of their greater energy loss, are better to be insulated with hard polyurethane (Its insulation efficiency goes up to 86.3%).
由于甲甙聚醚中有甲基葡萄糖甙稳定的环状结构，因此由其合成的聚氨酯硬质泡沫塑料综合性能优异，应用前景广阔。
Because of the stable methyl glucoside cyclical structure in its polyether, its rigid urethane foam is excellent in comprehensive performance with wide prospect of use.
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.
某型号发动机硬质泡沫喷管堵盖打开压强模拟点火试验结果表明，这种硬质泡沫喷管堵盖设计方案可行，并已在实际中得到应用。
The pressure for opening the nozzle closure was determined in the simulated ignition test. The results show that the design scheme is reasonable. This kind of closure has been used in the practice.
为提高军用聚氨酯硬质泡沫迷彩伪装材料的阻燃性能，对各种阻燃剂进行了筛选并进行正交复配试验，确定了复配阻燃剂的最佳配方。
The incombustibility of the military rigid polyurethane (PU) foam materials was studied. The optimum formula of compound flame retardant was determined by screening and orthogonal test.
广泛应用于高回弹冷熟化，微孔弹性体及半硬质聚氨酯泡沫塑料制品。
They are widely used in high elastic resilient cold cure, microporous elastomer and semi-rigid polyurethane foam plastics.
若干聚酯改性松香及其泡沫配方已用于制备硬质尿烷泡沫。
A number of polyester modified rosin with foam formulations have been utilized to prepare rigid urethane foams.
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.
研制了铝蒙皮-硬质聚氨酯泡沫塑料夹层结构。
Then a sandwich composite of metal Al clad Pu rigid foaming plastic is fabricated.
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.
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.
以马来海松酸酯多元醇、马来松香酯多元醇和松节油马来酐加成物酯多元醇为基，制备了硬质聚氨酯泡沫塑料。
A series of rigid PU foams based respectively on maleopimaric acid ester polyols , rosin-maleicanhydride adduct ester polyols and turpentine-maleic anhydride adduct ester polyols were synthesized.
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.
对用于硬质聚氨酯泡沫塑料的高、低压喷涂设备及高压灌注设备作了简单的比较和介绍。
The differences between high pressure spray, low pressure spray and high pressure pouring equipment for rigid polyurethane foam are simply introduced.
简要介绍了硬质聚氨酯泡沫塑料的特点及其在建筑业的应用情况。
The advantages of rigid polyurethane foam and its applications in construction industry are brief 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.
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.
研究了加入空心玻璃微珠后，硬质聚氨酯泡沫塑料的泡孔结构、压缩性能以及阻尼性能。
The cell structure, compression and damping properties of rigid polyurethane foam filled with hollow glass bead were studied.
研究了加入空心玻璃微珠后，硬质聚氨酯泡沫塑料的泡孔结构、压缩性能以及阻尼性能。
The cell structure, compression and damping properties of rigid polyurethane foam filled with hollow glass bead were studied.
应用推荐