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1.发明公开
公开(公告)号：EP4375256A1
公开(公告)日：2024-05-29
申请号：EP21921648.8
申请日：2021-09-03
发明人： YE, Fenglin , LIU, Juan , DAI, Bilong , ZHOU, Hongya , YANG, Meng
IPC分类号： C03C25/465 , C03C25/36 , E04D3/00
摘要： The present disclosure relates to a glass fiber sizing agent for a daylighting panel. The sizing agent includes effective components and water. The sizing agent has a solid content of 2-8%. Percentage of solid mass of each of the effective components in a solid mass of the sizing agent is as follows: a silane coupling agent: 3-15%; a film-forming agent: 68-93%; a lubricant: 0.5-10%; an antistatic agent: 1-12%; and a pH regulator: 0-5%. The present disclosure further relates to a preparation method of the glass fiber sizing agent for a daylighting panel and use of the sizing agent in fields of glass fibers and composite materials. Compared with the prior art, glass fiber products produced from the sizing agent of the present disclosure have a suitable stiffness and wet-out speed, and the sizing agent has an excellent refractive index, which is similar to that of matrix resin. Glass fibers coated with the sizing agent can improve light transmittance of daylighting panels and strength and service life of composite materials.
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2.发明公开
公开(公告)号：EP3971342A1
公开(公告)日：2022-03-23
申请号：EP20934240.1
申请日：2020-10-27
发明人： YE, Fenglin , FEI, Qifeng , LIU, Juan , ZHOU, Hongya , DAI, Bilong
IPC分类号： D06M13/513 , D06M15/55 , D06M15/507 , D06M15/65 , D06M13/17 , D06M13/207 , D06M13/188 , D06M13/507
摘要： A sizing composition for glass fiber direct roving for producing multiaxial fabrics is provided. The sizing composition includes, based on the total solids mass of the composition, 0.1 to 5.0% by solid mass of a first silane coupling agent, 2.5 to 11.0% by solid mass of a second silane coupling agent, 3.0 to 20.0% by solid mass of a first film former, 45.0 to 75.0% by solid mass of a second film former, 0 to 5.0% by solid mass of a plasticizer, 0.2 to 4.0% by solid mass of a first lubricant, 5.0 to 20.0% by solid mass of a second lubricant, and 0.01 to 3.0% by solid mass of a pH regulator. The first film former is a multifunctional epoxy emulsion, and the second film former is a low-molecular-weight liquid epoxy emulsion. The sizing composition has a suitable dissolution rate in the resin and good compatibility with the resin. It enables the wind turbine blades made from glass fiber multiaxial fabrics containing the sizing composition to have such advantages as stable mechanical strength, excellent fatigue resistance, and longer service life.
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