由于禁止使用CFC - 11，所以原有的聚氨酯发泡系统必须被替代，但是对于冰箱和冷柜隔热用聚氨酯系统的选择涉及诸多因素，因此并不是一个简单的过程。
CFC-11 is prohibited to be used, So old PU blowing system must be replaced. Because of many factors, it is not a simple process that PU system is selected in the refrigerator and refrigerator-cabinet.
在系统中，以一步法和预聚法为对照，研究了半预聚法对医用热塑性聚氨酯（TPU）结构和性能影响。
Medical thermoplastic polyether urethanes(TPU) based on MDI/PTMG/BDO system were prepared by one -shot, prepolymer and semi-prepolymer processes with equivalent stoichiometries respectively.
系统研究了聚氨酯涂料的红外特性及其力学性能。
The infrared characteristic and the mechanical properties of polyurethane coating were systematically investigated.
介绍聚氨酯浇注轮胎成型系统的研究，主要包括芯模、外模及翻转架的设计和研制。
The research of the molding system for the castable polyurethane tire is introduced, mainly including the design and development of the core mold, outer mold and rotatable frame.
聚氨酯灌注XPS复合面板外墙外保温技术是一种新型的外墙外保温系统，其节能效果好，与基层粘结力强，不渗水。
As a new technology of exterior insulation, polyurethane perfusion XPS compound plate has characteristics of good energy saving effect, large bond force and no seepage.
结果表明，该聚氨酯压敏胶贴剂具有良好的药物控释能力，适用于经皮给药系统。
The results indicated that the hydrophilic polyurethane PSA prepared show good transdermal drug release properties, which suit for the TDDs application.
本文研制了一种新型的具有反应活性的端环氧基聚氨酯，并对端环氧基聚氨酯改性环氧树脂胶粘剂进行了系统的研究。
In this paper, a new reactive epoxidized polyurethane has been prepared, and a epoxy adhesive modified by the epoxidized polyurethane also has been studied systemically.
提出了干挂石材墙面采用现浇聚氨酯保温隔热系统的施工程序及方法。
The construction schedule and methods of the latter system were put forward.
介绍了国内外硬泡聚氨酯防水保温一体化屋面系统的应用情况；分析了该屋面系统的优势及推广中存在的问题；
The article introduces current state of the integral waterproofing and insulation roofing system at home and abroad, and analyses its strong points and problems in popularization.
聚氨酯无接缝同步带最适用于低负载同步分级传动，比如办公室自动系统及家用器具。
Seamless PU timing belts perform especially well on light synchronised and stepped drives, in office automation and domestic applianceapplications.
系统地介绍聚氨酯隔振器的国内外研究概况，对国内研制的高性能聚氨酯隔振器和橡胶隔振器进行性能比较。
The newest development of the polyurethane vibration isolator was systematically introduced, and the performance of polyurethane vibration isolator was also compared with that of the rubber isolator.
系统地介绍聚氨酯隔振器的国内外研究概况，对国内研制的高性能聚氨酯隔振器和橡胶隔振器进行性能比较。
The newest development of the polyurethane vibration isolator was systematically introduced, and the performance of polyurethane vibration isolator was also compared with that of the rubber isolator.
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