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blowing agent
相关语句
  发泡剂
    A Study on the Foaming Process of Microcellular Foams and Using Nano-Particles as the Carrier to Make Blowing Agent by Inserting
    微孔泡沫塑料发泡过程及以纳米粒子为载体插层制备微发泡剂的研究
短句来源
    Another research for us to pursue is what to be selected as "green" blowing agent and how to practice it.
    另一个需要从事的研究是选择何种“绿色”发泡剂,以及如何实践它。
短句来源
    Solving the cooperation problem of crosslinking velocity of foam and decomposing velocity of blowing agent through reducing the decomposing temperature of blowing agent H by adding pentaerythrite and carbamide;
    选用季戊四醇及尿素降低了发泡剂H的分解温度,解决了泡体的交联速率与发泡剂的分解速率相配合的问题;
短句来源
    WT5BZ]A new metallic foam, i e the foam of SiC particle reinforced aluminum matrix composite with the porosity of 60%~85% is introduced The foam is produced by the foaming process with TiH 2 blowing agent The foaming process is controlled easily since the viscosity of composite melts is quite great, without the addition of viscosity increasing agent Comparing with common foamed aluminum or its alloys, the composite has greater tensile and compression strength
    介绍了一种新的泡沫金属材料—泡沫 Si C颗粒增强铝基复合材料 ,泡沫的孔隙率为 6 0 %~ 85 %。 用 Ti H2 作发泡剂 ,采用直接发泡工艺制备。
短句来源
  相似匹配句对
    Another research for us to pursue is what to be selected as "green" blowing agent and how to practice it.
    另一个需要从事的研究是选择何种“绿色”发泡剂,以及如何实践它。
短句来源
    A Study on the Foaming Process of Microcellular Foams and Using Nano-Particles as the Carrier to Make Blowing Agent by Inserting
    微孔泡沫塑料发泡过程及以纳米粒子为载体插层制备微发泡剂的研究
短句来源
    Study on the Static Cracking Agent and Its Application
    静态破碎剂的研制及应用
短句来源
    PRESSURE PROPERTY OF STATIC DEMOLITION AGENT
    静力破碎剂的压力特性
短句来源
    Study on property and curing temperature of low elasticity shock-absorbing blowing material
    低弹性吸震发泡材料硫化交联温度及其力学性能的研究
短句来源
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  blowing agent
Finally, metallic foams can be made by mixing metal powders with a blowing agent, compacting the mix, and then foaming the compact by melting.
      
Methylsilicone resin foams were obtained through controlling the melt viscosity around 210°C, temperature where the blowing agent started to decompose, by varying the initial molecular weight of the preceramic polymer and the amount of the catalyst.
      
The raw material consisted of a methylsilicone resin, a catalyst (which accelerated the cross-linking reaction of the silicone resin) and a blowing agent (which generated gas above 210°C).
      
A process for the production of SiOC ceramic foams has been for the first time developed through melt foaming of a siloxane preceramic polymer with the help of a blowing agent, followed by pyrolysis under an inert atmosphere.
      
As the water started to boil, it acted as a blowing agent, leaving a porous closed-cell starch structure.
      
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A new type of sound absorbent material mainly made from PVC, EPR and rock-wool was produced by the thermal decomposition of chemical blowing agent. Its average sound absorbing coefficient is higher than 0.5. The material has better acoustical performance at low frequencies than general porous materials. In the present paper, the effects of EPR, blowing agent, plasticizer and rock-wool content on the sound absorption coefficient of the foamed materials were also studied and analysed. Optimum base...

A new type of sound absorbent material mainly made from PVC, EPR and rock-wool was produced by the thermal decomposition of chemical blowing agent. Its average sound absorbing coefficient is higher than 0.5. The material has better acoustical performance at low frequencies than general porous materials. In the present paper, the effects of EPR, blowing agent, plasticizer and rock-wool content on the sound absorption coefficient of the foamed materials were also studied and analysed. Optimum base formulation is defined through orthogonal tests.

采用化学发泡方法制得了以乙丙橡胶、聚氯乙烯和岩棉为主要原料的泡沫吸声材料 ,其平均吸声系数达 0 .5以上 ,且此材料的低频吸声性能比一般多孔型吸声材料的要好得多。通过正交实验得出了最佳配方。还对乙丙橡胶用量、增塑剂用量、发泡剂用量和岩棉用量对材料吸声性能的影响做了研究。

WT5BZ]A new metallic foam, i e the foam of SiC particle reinforced aluminum matrix composite with the porosity of 60%~85% is introduced The foam is produced by the foaming process with TiH 2 blowing agent The foaming process is controlled easily since the viscosity of composite melts is quite great, without the addition of viscosity increasing agent Comparing with common foamed aluminum or its alloys, the composite has greater tensile and compression strength

介绍了一种新的泡沫金属材料—泡沫 Si C颗粒增强铝基复合材料 ,泡沫的孔隙率为 6 0 %~ 85 %。用 Ti H2 作发泡剂 ,采用直接发泡工艺制备。由于复合材料熔体自身粘度较大 ,不需要采用任何增粘措施 ,发泡工艺简单 ,易于操作。该泡沫材料比普通泡沫铝或铝合金具有更高的抗拉、抗压强度

A new type sound absorbing foamed composites mainly made from inorganic fiber and polymer has been produced by the thermal decomposition of chemical blowing agents. The benefits offered by such samples include flame retardancy, high specific stiffness, and less mass and lower material costs per unit volume. Most importantly, the foam has excellent sound absorbent properties at both medium frequencies and low frequencies. This overcomes the defect that general porous sound absorbing materials have poor...

A new type sound absorbing foamed composites mainly made from inorganic fiber and polymer has been produced by the thermal decomposition of chemical blowing agents. The benefits offered by such samples include flame retardancy, high specific stiffness, and less mass and lower material costs per unit volume. Most importantly, the foam has excellent sound absorbent properties at both medium frequencies and low frequencies. This overcomes the defect that general porous sound absorbing materials have poor acoustic performances at low frequencies. In this present paper, the sound absorption coefficient of the foamed materials has been measured and analyzed with standing wave method when some important variables in the formulation change. These variables include the blowing agent content, inorganic fiber content, cross linking agent content, and the cavity depth at the foam back. The measurement results show that the variables have great effects on the acoustic absorption performance of the samples.

以聚合物和无机纤维为主要原料 ,用化学发泡方法制成了一种新型泡沫吸声材料。它具有质轻、阻燃、强度大、成本低的特点 ,尤其是它在中低频范围内具有优异的吸声性能 ,克服了一般多孔性吸声材料在低频处吸声性能欠佳的缺陷。文中对发泡剂用量、无机纤维用量、交联剂用量及空腔对材料吸声性能的影响进行了测试分析。结果表明 ,这些因素对材料吸声性能均有重要影响

 
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