Abstract: In order to prepare filter paper with high mechanical properties, good hydrophobicity and proper air permeability for internal combustion engine, the mixture of high strength and high modulus polyethylene (UHMWPE) fiber and softwood pulp was used. The effects of base paper preparation, resin impregnation and hot pressing on the properties of filter paper were discussed, the mechanical properties, thermal stability, pore size and hydrophobicity of the filter paper were characterized. The results showed that when the mass ratio of UHMWPE fiber to softwood pulp was 8∶2 and the beating degree of softwood pulp was 22 °SR, the mass fraction of dispersant PEO and reinforcing agent CPAM were 0.5% and 0.1%, respectively, and the hot pressing temperature was 140 ℃, the hot pressing time was 15 min, and the hot pressing pressure was 10 MPa, the filter paper made by UHMWPE for internal combustion engine has the best performance, in which the tensile index of the filter paper was 50.28 N·m/g, the bursting strength was 503.55 kPa, the contact angle was 123.52° and the filter paper was impervious within 1 min, and the melting point was raised to 155 ℃.
通讯作者: *龙柱,现任江南大学纺织科学与工程学院造纸研究室教授、博士研究生导师,2001年于天津轻工业学院(现天津科技大学)制浆造纸工程专业毕业,获工学博士学位;2000年芬兰University of Tampere Polytechnic访问学者,2003年天津大学博士后,2011年加拿大University of New Brunswick访问教授。发表学术论文300多篇,其中被SCI检索收录60余篇。获得国家发明专利授权30余项。获得国家科技进步二等奖1项。主要从事特种纸与功能纸、高性能纤维纸基材料、生物基化学品和材料等领域研究。
马锐, 金圣楠, 龙柱, 朱瑞丰, 孙昌. 高性能内燃机用滤纸的制备及其对性能的影响[J]. 材料导报, 2024, 38(6): 22050334-6.
MA Rui, JIN Shengnan, LONG Zhu, ZHU Ruifeng, SUN Chang. Preparation of Filter Paper for High Performance Internal Combustion Engine and Its Influence on Performance. Materials Reports, 2024, 38(6): 22050334-6.
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