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    GLASS FIBER SIZING AGENT FOR DAYLIGHTING PANEL, AND PREPARATION METHOD THEREFOR AND USE THEREOF
    1.
    发明公开
    GLASS FIBER SIZING AGENT FOR DAYLIGHTING PANEL, AND PREPARATION METHOD THEREFOR AND USE THEREOF 审中-实审

    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

    申请人： Jushi Group Co., Ltd.

    发明人： YE, Fenglin ,  LIU, Juan ,  DAI, Bilong ,  ZHOU, Hongya ,  YANG, Meng

    IPC分类号： C03C25/465 ,  C03C25/36 ,  E04D3/00

    CPC分类号： C03C25/36 ,  C03C25/40

    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.

    A WHITE COATING MATERIAL, AN INTELLIGENT THERMOCHROMIC COATING MATERIAL AND A COATING LAYER
    3.
    发明公开
    A WHITE COATING MATERIAL, AN INTELLIGENT THERMOCHROMIC COATING MATERIAL AND A COATING LAYER 审中-公开

    公开(公告)号：EP4098629A1

    公开(公告)日：2022-12-07

    申请号：EP21205408.4

    申请日：2021-10-28

    申请人： Fudan University

    发明人： WU, Limin ,  WANG, Tong ,  CHEN, Min

    IPC分类号： C03C12/02 ,  C03C3/089 ,  C03C11/00 ,  C03C25/26 ,  C03C25/285 ,  C03C25/305 ,  C03C25/323 ,  C03C25/326 ,  C03C25/36 ,  C09D5/33 ,  C09D5/29 ,  C09D5/32 ,  C03C17/00 ,  C03C17/02 ,  C03C17/32

    摘要： The present invention belongs to the technical field of functional coatings and thin films, and provides a white coating material, an intelligent thermochromic coating material and a coating layer. The white coating material comprises 10 wt% ∼ 70 wt% hollow glass beads and 30 wt% ∼ 90 wt% resin; The intelligent thermochromic coating material comprises 10 ∼ 70 parts by weight of hollow glass beads, 30 ∼ 90 parts by weight of resin and 0.5 ∼ 5 parts by weight of reversible thermochromic microcapsules. Due to the rich multi-level cavity structure of HGBs and the ideal inherent characteristics of the polymer, the average reflectivity of the coating layer in the solar spectrum range is as high as ∼0.96, and the long-wave infrared emissivity can be as high as ∼0.95. The optical properties, whiteness, hiding power, etc. are better than traditional white coating materials based on titanium dioxide. Not only is it non-toxic, environmentally friendly, and low in cost, but the film also has an obvious cooling effect. The coating layer added with a small amount of reversible thermochromic microcapsules can switch freely between ultra-white and color as the ambient temperature changes. Therefore, intelligent adjustment of solar heating and passive radiative cooling is achieved.

    GLASS DIRECT ROVING PRODUCTION METHOD AND GLASS DIRECT ROVING
    4.
    发明公开
    GLASS DIRECT ROVING PRODUCTION METHOD AND GLASS DIRECT ROVING 审中-公开

    公开(公告)号：EP4046973A1

    公开(公告)日：2022-08-24

    申请号：EP20876580.0

    申请日：2020-07-16

    申请人： Nippon Electric Glass Co., Ltd.

    发明人： KUNITOMO, Akira

    IPC分类号： C03C25/36 ,  C03C25/002 ,  C03C25/64 ,  D06M15/55 ,  D06M15/70 ,  D06M101/00

    摘要： Provided is a method for producing a glass direct roving that has excellent workability and can effectively increase the mechanical strength of a composite material obtained by combination with resin. A method for producing a glass direct roving 10 formed by directly winding up a bundle of glass filaments includes the steps of: applying a sizing agent containing an epoxy resin having an epoxy equivalent of 180 to 240 to surfaces of a plurality of glass filaments to bundle the plurality of glass filaments; winding up a bundle obtained by bundling the plurality of glass filaments, thus making a wound package; and thermally drying the sizing agent at a temperature of 135°C to 155°C to form a coating on the surfaces of the glass filaments.

    OPTICAL FIBER
    10.
    发明公开
    OPTICAL FIBER 审中-公开

    公开(公告)号：EP4023619A1

    公开(公告)日：2022-07-06

    申请号：EP20858408.6

    申请日：2020-08-27

    申请人： Furukawa Electric Co., Ltd.

    发明人： MUKASA, Kazunori ,  MIHALFFY, Tamas ,  VARALLYAY, Zoltan

    IPC分类号： C03C25/1065 ,  C03C25/36 ,  G02B6/036 ,  G02B6/44

    摘要： To provide an optical fiber having high compatibility with respect to G.652 standard and a further smaller diameter, the optical fiber includes a core portion made of silica based glass; a cladding portion made of silica based glass and configured to cover an outer periphery of the core portion, the cladding portion having a refractive index that is lower than a maximum refractive index of the core portion; and a coating portion configured to cover an outer periphery of the cladding portion, the coating portion including a primary coating layer located on the cladding portion side and a secondary coating layer located on an outer peripheral side of the primary coating layer. An outer diameter of the cladding portion is less than 100 µm, a thickness of the primary coating layer is larger than or equal to 15 µm, a mode field diameter at a wavelength of 1310 nm is larger than or equal to 8.6 µm and smaller than or equal to 9.2 µm, an effective cutoff wavelength is smaller than or equal to 1260 µm, and a bending loss at a wavelength of 1550 nm when bending is made at a diameter of 60 mm is smaller than or equal to 0.1 dB/100 turn.