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.
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.
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.
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.
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.
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?
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?
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.
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.
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.
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.
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.
本文介绍低温绝热用硬质聚氨酯泡沫塑料的力学、热学性质及其成型工艺。
This thesis introduces the moulding technique, mechanical and thermal properties of the rigid polyurethane foams used in cryogenic insulation.
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.
钢铠阻燃型硬质聚氨脂泡沫塑料弧板是由黑龙江省商业厅设计的一种新型保温材料。
Flame-retarding rigid polyurethane foam arc plate armoured with steel is a new type thermal insulation material developed by the Commercial Department of Heilongjiang Province.
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.
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.
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.
对合成的硬质聚氨酯泡沫塑料(纯的和增强的)进行了多种力学性质的测量和讨论，给出了实验结果。
Measurements and discussion are made for mechanical properties of synth etic pure and reinforced rigid polyurethane foamed plastics, experimental results are given.
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.
对硬质聚氨酯泡沫塑料的物理性能，如力学性能、阻燃性能、老化性能等及其在工程上的应用情况进行了综述。
Physical properties like mechanical, fire retardant and aging properties et al and applications of rigid polyurethane foam are reviewed.
综述了提高硬质聚氨酯泡沫塑料阻燃性的方法，介绍了常用添加型阻燃剂的作用和特点以及常用的结构改性提高阻燃性的技术途径。
Approaches to improve flame retardation of rigid polyurethane foams are reviewed. The effects and features of some additive flameretardants and reactive flameretardants are 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 features of rigid PU foam and its applications in construction were introduced.
介绍了冰箱用硬质聚氨酸泡沫塑料(简称硬泡)的制备工艺，设计了冰箱用硬泡生产过程中的质量控制流程。
The preparation of rigid PU foam for refrigerator is studied. The production quality control flow scheme of rigid PU foam for refrigerator is designed.
介绍了冰箱用硬质聚氨酸泡沫塑料(简称硬泡)的制备工艺，设计了冰箱用硬泡生产过程中的质量控制流程。
The preparation of rigid PU foam for refrigerator is studied. The production quality control flow scheme of rigid PU foam for refrigerator is designed.
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