The production process, technical characteristics and equipment of flexible polyurethane foam using liquid carbon dioxide as physical foaming agent were introduced. 介绍了以液体二氧化碳作物理发泡剂生产软质聚氨酯泡沫的生产工艺、技术特点及其设备;
The results showed that the physical and mechanical properties of bio-fiber composites can be improved though foaming. 研究结果表明:以碳酸氢钠为发泡剂对生物质纤维基复合材料进行发泡可以有效提高材料的物理力学性能。
The influence of attapulgite, Rutile Titania and Kaolin on the physical property, the foaming state and the fire retardant property of the coatings was studied in detail. The composition of elements and chemical structure of surface of foaming layer were analyzed. 研究了凹凸棒土、金红石型TiO2和高岭土对钢结构超薄膨胀型防火涂料的物理性能、发泡状况以及耐火性能的影响,分析了发泡层表面的元素组成与化学结构。
Ethylene-vinyl acetate ( EVA)/ ethylene propylene diene monomer ( EPDM)/ poly-vinyl chloride ( PVC) ternary plastic alloy non-rigid foam was produced by physical blending and chemical crosslinking moulding foaming process. 采用物理共混及化学交联模压发泡工艺生产乙烯-醋酸乙烯酯共聚物(EVA)/三元乙丙橡胶(EPDM)/聚氯乙烯(PVC)三元塑料合金软质泡沫体。
Nucleation Theory of Physical Foaming of Microcellular Plastics 微孔塑料物理发泡的成核理论
The prescriptions and rheology of physical foaming PE insulant for CATV cable were studied, and the application test of the insulant was done. 研究了聚乙烯同轴电视(CATV)电缆物理发泡绝缘料的配方和流变性能,并进行了应用试验。
Effect of rotation speed of blender is more remarkable in physical foaming system than in chemical foaming system, and mean cell diameter of foam decreases with increasing rotation speed of blender. 与化学发泡体系相比,物理发泡体系中搅拌速度对孔径的影响较为显著,随搅拌速度的增大,孔径减小。
The effects of TiO 2 on the physical properties of slag and its foaming are discussed together. 还探讨了TiO2对炉渣物性的影响以及对渣的发泡性能的影响。
The foaming mechanism, the foaming method, the variety of foaming agent were described briefly. The twin-screw extrusion foaming, the physical and the chemical foaming technology were presented. 简述了聚丙烯(PP)的发泡机理、发泡方法和发泡剂种类,并介绍了其物理、化学发泡工艺及单螺杆、双螺杆挤出发泡工艺。
The article discussed foaming mechanism, printing paste compositions of physical foaming ( for stereo-printing of raised fabric) and of chemical foaming ( foaming printing) as well as the difference of visual discrimination in printed fabrics. 论述了发泡立体印花中物理性发泡(起绒印花)和化学性发泡(发泡印花)印花浆的组成、发泡机理以及印花织物在视觉上的区别。
Supercritical Carbon dioxide ( SC-CO_2), as a possible replacement of traditional physical foaming agents, have high diffusivity in polymer melts and can get high nucleation rate. 超临界CO2(SupercriticalCarbonDioxide,简称SC-CO2)由于其传质系数高,可实现微孔塑料所需的很高的成核速率等优点,而取代传统的发泡剂,用于微孔塑料的挤出发泡。
Preparation of Hydroxyaptite/ Collagen Protein Porous Scaffolds by Physical Foaming Method 物理发泡法制备羟基磷灰石/胶原蛋白多孔支架材料
The Status of Research on Physical Foaming of Microcellular Plastics Abroad 国外微孔塑料物理发泡研究现状
The cellular silicone elastomer with special property and structure was molded with physical foaming agent. 用物理发泡剂制备了具有特殊性能要求的韧性泡沫硅橡胶,重点介绍了原材料预处理、成型技术及加工工艺参数等。
Molding of Cellular Silicone Elastomer with Physical Foaming Agent 用物理发泡剂制备韧性泡沫硅橡胶
Development of weldable PVC foam made by a continuous physical foaming method 可连续生产的物理发泡法可熔接PVC泡沫的研制
A wood-like PVC foaming material was made by the process of coloring and clouding. The physical properties and mix processing of PVC foaming material are observed, the structure of mold 、 test and applications are also introduced. 阐述了应用色拉、云纹工艺制作的仿木纹PVC发泡材料的物理特性、生产配料工艺、制作的模具类型以及试验与应用等方面的内容。
According to the analysis of physical characteristic and chemical ingredient of coal ash and adding the foaming agent and foam stabilizer in its slurry, three phase foam of coal ash is formed by the physical foaming method to prevent spontaneous combustion. 通过对粉煤灰物理特性和化学成分分析,在其浆液中加入一种合适的发泡剂和稳泡剂,经过物理发泡方式形成粉煤灰三相泡沫,用于防治矿井自然发火。
Study of Foaming Printing with Micro-capsule Physical Foaming Agent 微胶囊物理发泡剂的发泡印花研究
The physical foaming PE insulant for CATV were prepared by mixing HDPE as the primary material, LDPE as the modifier and suitable auxiliaries such as antioxidants, metal passivators, processing modifiers. 以高密度聚乙烯(HDPE)为主料,LDPE为改性剂,添加适当的抗氧剂、金属钝化剂及加工助剂,研制成功CATV电缆物理发泡绝缘料。
To date, Carbon foam was prepared by submitting coal tar pitch, petroleum mesophase pitch and polymer to cracking foaming, physical foaming method and template method mainly. 目前泡沫炭的制备主要以煤焦油沥青、石油中间相沥青、高聚物等通过自裂解发泡法、物理发泡法及模板法制备。
Particularly the physical foaming use of inert gas as CO2 N 2 meet environmental protection requirements, is payed more attention. 特别是采用CO2,N2等惰性气体作为物理发泡剂的发泡方法因其符合环保的要求,日益受到重视。
According to different principles of gas process, it can be divided into physical foaming and chemical foaming. 根据发泡剂发气过程原理的不同,可以分为物理发泡和化学发泡两大类。
In the physical foaming, the most crucial part is formation of homogeneous phase. 利用惰性气体作为发泡剂的发泡方法中,关键的部分是形成均相体系。