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- The application actualities and developing trend of rigid polyurethane foam plastics in field works are introduced. 介绍了硬质聚氨酯泡沫塑料在野战工事领域应用现状、发展趋势。
- The semi rigid package system features Bemis EZ Peel?Reseal film, an advanced peelable technology that exposes a pressure sensitive layer when the consumer opens the package. 半刚性包装系统的功能比米斯易剥离?重新封装薄膜，先进的剥离技术，暴露了压力感应层当消费者打开包。
- A polyether premix for rigid polyurethane foam was prepared from self made polyether polyol,isopentane,water,etc. 以异戊烷和水为发泡剂,采用自制的聚醚多元醇,研制一种聚氨酯硬泡聚醚组合料。
- It is a good-quality and new-type product used for manufacturing rigid polyurethane cellula plastic. 主要应用于生产硬质聚氨酯泡沫塑料，是一种优良的新型产品。
- The hole break of rigid polyurethane foam and the RPU were discussed by analyzing meso structures of RPU. 通过对合成的纯的和增强的硬质聚氨酯泡沫塑料(RPU)进行的细观分析,探讨了泡孔的破坏形式和增强相的作用。
- A rigid polyurethane foam for the roof trimming is prepared, and the moulding method is introduced. 制备了顶内饰用聚氨酯硬泡，介绍了硬泡顶内饰成型方法。
- Accelerated hygrothermal aging tests of rigid polyurethane foam were carried out to simulate the in-door store lifetime. 对硬质聚氨酯泡沫塑料进行了贮存寿命预测研究。
- The relevant safety technique and the safety operaional procedures in cyclopentane blowing process of rigid polyurethane foam are introduced. 介绍了聚氨酯硬泡环戊烷发泡工艺中相关的安全技术和安全操作规程。
- The preparation,microstructure,compressive properties and thermal stability of the glass bead reinforced rigid polyurethane foams(PUR/GB) are studied. 研究了玻璃微珠增强硬质聚氨酯泡沫塑料的制备、微观结构、压缩性能和热稳定性。
- The main materials to such as isocyanate, polyol, blowing agent and foam stabilizer et al, prepare rigid polyurethane foam are introduced. 摘要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；
- Rigid polyurethane foams reinforced by nano-SiO_2 and nano-CaCO_3 were prepared through in-situation dispersion and polymerization by ultrasonic. 通过超声作用,利用在位分散聚合方法制得了纳米二氧化硅及纳米碳酸钙增强硬质聚氨酯泡沫塑料。
- The selection of blowing agent and the method of modifying fire retardance of rigid polyurethane foams were briefly 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 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. 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 aging mechanism of rigid polyurethane foams at indoor storage conditions was investigated with indoor storage tests, accelerated hygrothermal aging tests and IR spectra. 采用室内贮存试验、人工加速湿热老化试验和红外光谱法研究了硬质聚氨酯泡沫塑料在室内贮存条件下的老化机理。
- Rigid Polyurethane Foam (RPUF) has a series of excellent properties, such as low density, high strength, low thermoconductivity, easy processing, and water proof. 聚氨酯硬泡具有密度小、强度高、导热系数低、隔音、防水、施工方便等优点。
- Discussion on the semi rigid base of high-grade highway 高等级公路半刚性基层探讨
- Some CFC-free or CFC-reducing rigid polyurethane foams based on it are prepared,including half-reducing HCFC-141b or CFC-11 system, n-/iso-pentane system,all-water-blown system. Some studies arc being carried on. 以该聚醚多元醇为基础,制备了无CFC或CFC减半PU硬泡,包括HCFC-141b减半体系、正(异)戊烷发泡体系、全水发泡及CFC-11减半体系。
- A polyether polyol-based premix was prepared, and bulky rigid polyurethane based on it was prepared by free foaming techniope. Some factors in core-scorch controlling are discussed. 制备了聚醚组合料，并采用自由发泡工艺制备大体积硬质聚氨酯泡沫塑料，讨论了控制泡沫烧芯的有关因素。
- He principally engaged in the field of technology consultative about the multi-molecule materials, especially the rigid polyurethane foams, the soft foams and their assistant agent. 主要从事技术咨询中化工类有关高分子材料，尤其是聚氨酯硬泡，软泡及其助剂的咨询业务。
- Quality control of 'two ashes'in semi rigid road surface construction 半刚性路面施工中二灰土的质量控制
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
