一种新型纤维增强酚醛树脂密封材料的制备及表征

酚醛树脂具有力学性能好,耐热性好,耐磨损以及阻燃等优点,被广泛的应用于各种工业领域.但是其延展性差,韧性差,反应残余物对人体危害大限制了其在现代工业的应用.本文中,我们在酚醛树脂中引入芳纶长纤维,木质素短纤维及无机纳米铜添加剂,制备了一种新型密封材料.通过力学性能测试,红外谱图分析,摩擦系数测定以及扫描电镜观察对复合材...

Preparation and Surface Features about One New-type of Fibrous Reinforcement Phenol Aldehyde Silicone Sealing Material

The phenol aldehyde resin has been widely used in various industry areas because of its high mechanical strength,heat resistance,and abrasion resistance and flame retardant.But its low elongation,brittleness and the toxicity of reaction residues formaldehyde restricted the application of the phenol aldehyde resin in modern industry.In this paper,we have introduced aramid fiber,lignin fiber and inorganic particles of inorganic nanometer copper into the phenol aldehyde resin to prepare novel phenol aldehyde resin composite.The properties of the obtained composite were investigated by mechanical property tests,FTIR analysis,friction coefficient measurement and SEM observation.The results showed that the mechanical and friction properties had been significantly improved through the method of blending the PA66 long fiber,lignin short fiber,inorganic particles of dolomite and phenol aldehyde resin.