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公开(公告)号：EP3546627A1
公开(公告)日：2019-10-02
申请号：EP17934362.9
申请日：2017-12-11
摘要： Provided is a glass-fiber-yarn joined body that is not disjoined when applied with tension, can be allowed to pass through a dice without trouble after impregnation of resin, and makes it possible to obtain excellent appearance quality in a molded product. The glass-fiber-yarn joined body 1 is provided with glass fiber yarns 2, 3, and a connection 5 in which a resin yarn 4 is wound around ends of both of the glass fiber yarns 2, 3, the ends being superimposed with each other. The connection 5 has a width W 1 of 20 to 40 mm. When a connection diameter R as a total of diameters of the respective glass fiber yarns 2, 3 and the thickness of the resin yarn 4 wound around the connection 5 is 500 to 5000 µm and a mass of each of the glass fiber yarns 2, 3 is 200 to 6000 tex, a value of a ratio of mass of each of the glass fiber yarns 2, 3 relative to the connection diameter R is in the range of 0.32 to 2.00.
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2.发明公开
公开(公告)号：EP4299541A1
公开(公告)日：2024-01-03
申请号：EP22832776.3
申请日：2022-06-10
发明人： NUKUI, Yosuke , KOMUKAI, Tatsuya
摘要： Provided is a glass composition for glass fiber that has a broad working temperature range and can suppress occurrence of a difference in an elastic modulus from that of E-glass fiber. The glass composition for glass fiber includes 45.60 to 59.00% by mass of SiO 2 , 0.00 to 8.00% by mass of B 2 O 3 , 10.00 to 16.00% by mass of Al 2 O 3 , 17.00 to 25.00% by mass of CaO, 0.01 to 9.50% by mass of TiO 2 , less than 0.03% by mass of P 2 O 5 , 0.00 to 9.50% by mass of ZnO, 0.00 to 2.00% by mass of SO 3 , 0.01 to 11.50% by mass in total of ZnO and SO 3 , and 0.00 to 2.00% by mass in total of Li 2 O, Na 2 O, and K 2 O, with respect to the total amount. The SiO 2 content SI, the B 2 O 3 content B, the TiO 2 content T, the ZnO content Z, and the SO 3 content SO satisfy the following formula (1). 1.79 ≤ SI / B × T / Z + SO 1 / 4 ≤ 122.98
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公开(公告)号：EP3536736A2
公开(公告)日：2019-09-11
申请号：EP18761920.0
申请日：2018-06-11
摘要： Provided is a glass fiber-reinforced resin molded article having excellent mechanical strength, heat resistance, long-term durability, and molding processability. This glass fiber-reinforced resin molded article is characterized in that glass fibers contained in the glass fiber-reinforced resin molded article have a fiber diameter D (µm) in a range from 3.0 to 12.0 µm; the glass fibers contained in the glass fiber-reinforced resin molded article have a number-average fiber length L (µm) in a range from 160 to 350 µm; the glass fiber-reinforced resin molded article has a glass fiber volume fraction V (%) in a range from 3.0 to 50.0%; and D, L, and V satisfy formula (1): 300.0 ≤ D 2 × L/V ≤ 1000.0 ... (1).
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公开(公告)号：EP3147267A1
公开(公告)日：2017-03-29
申请号：EP15895143.4
申请日：2015-12-18
IPC分类号： C03C13/00
CPC分类号： C03C13/00 , C03C3/087 , C03C2213/00
摘要： Provided is a glass composition for glass fiber allowing spinning to be stably performed without mixing of red foreign substances into glass fibers. The glass composition for glass fiber includes, in relation to the total amount thereof, SiO 2 in a content falling within a range from 57.0 to 60.0% by mass, Al 2 O 3 in a content falling within a range from 17.5 to 20.0% by mass, MgO in a content falling within a range from 8.5 to 12.0% by mass, CaO in a content falling within a range from 10.0 to 13.0% by mass and B 2 O 3 in a content falling within a range from 0.5 to 1.5% by mass, the total content of SiO 2 , Al 2 O 3 , MgO and CaO being 98.0% by mass or more.
摘要翻译： 本发明提供一种玻璃纤维用玻璃组合物，其能够在不使红色异物混入玻璃纤维的情况下稳定地进行纺丝。 该玻璃纤维用玻璃组合物相对于其总量含有：SiO 2：57.0〜60.0质量％，Al 2 O 3：17.5〜20.0质量％，MgO： 8.5〜12.0质量％范围内的含量，10.0〜13.0质量％范围内的CaO和0.5〜1.5质量％范围内的B 2 O 3， SiO 2，Al 2 O 3，MgO和CaO为98.0质量％以上。
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公开(公告)号：EP4306491A1
公开(公告)日：2024-01-17
申请号：EP22832774.8
申请日：2022-06-10
摘要： Provided is a method for manufacturing glass long fiber that can be produced into resin pellets without clogging of recovered glass fiber in a kneader, when glass fiber recovered from a glass fiber-reinforced resin molded product and a resin are kneaded to prepare resin pellets. In the method for manufacturing glass long fiber of the present invention, a glass raw material including glass fiber recovered from a glass fiber-reinforced resin molded product is melted into molten glass, and the molten glass is spun to form glass long fiber.
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公开(公告)号：EP3912780A1
公开(公告)日：2021-11-24
申请号：EP20834854.0
申请日：2020-03-17
发明人： NUKUI, Yosuke , SAKATA, Junya , MONMA, Hideaki
IPC分类号： B29B15/08 , B29K105/08 , D03D15/00 , D03D15/267
摘要： Provided is a glass roving cloth that has excellent weaving performance and excellent resin impregnability and can achieve a glass fiber-reinforced resin sheet having high mechanical strength and an excellent shape-imparting property.
The glass roving cloth includes glass rovings each composed of glass filaments, each having a filament diameter Dt of 9.5 to 30.0 µm, bundled in a number bundled Ft of 400 to 8000 as a warp yarn and glass rovings each composed of glass filaments, each having a filament diameter Dy of 9.5 to 30.0 µm, bundled in a number bundled Fy of 400 to 8000 as weft yarns, wherein the weaving density of the warp yarns and weft yarn is 2.0 to 14.0 yarns/25 mm, the average yarn width of the warp yarn and the weft yarn are each 500 to 8000 µm, the widening rate of the warp yarn and the weft yarn are each 3.0 to 30.0%, the glass occupancy in the warp yarn direction is 90.0 to 106.0%, and the glass occupancy in the weft yarn direction is 75.0 to 99.0%.-
公开(公告)号：EP3888897A1
公开(公告)日：2021-10-06
申请号：EP19926462.3
申请日：2019-11-11
IPC分类号： B29K105/08 , B29L31/30 , B29C70/06 , B29C70/32
摘要： Provided is a fiber-reinforced resin hollow cylindrical body that is highly resistant to torsion and also comprises impact energy absorbency enabling the cylindrical body to be used in an energy absorbing member such as a crush box. The fiber-reinforced resin hollow cylindrical body is composed of a reinforcing fiber yarn and a resin composition with which the reinforcing fiber yarn is impregnated. The fiber diameter D of the reinforcing fiber yarn is in the range of 10.0 to 18.0 µm, the weight T of the reinforcing fiber yarn is in the range of 100 to 1500 tex, the volume content V of the reinforcing fiber yarn in the fiber-reinforced resin hollow cylindrical body is in the range of 40.0 to 80.0%, the D, T and V satisfy the following formula (1): 0.090 ≤ T 1 / 4 × V / D 3 ≤ 0.155
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公开(公告)号：EP3147267B1
公开(公告)日：2018-09-19
申请号：EP15895143.4
申请日：2015-12-18
CPC分类号： C03C13/00 , C03C3/087 , C03C2213/00
摘要： Provided is a glass composition for glass fiber allowing spinning to be stably performed without mixing of red foreign substances into glass fibers. The glass composition for glass fiber includes, in relation to the total amount thereof, SiO 2 in a content falling within a range from 57.0 to 60.0% by mass, Al 2 O 3 in a content falling within a range from 17.5 to 20.0% by mass, MgO in a content falling within a range from 8.5 to 12.0% by mass, CaO in a content falling within a range from 10.0 to 13.0% by mass and B 2 O 3 in a content falling within a range from 0.5 to 1.5% by mass, the total content of SiO 2 , Al 2 O 3 , MgO and CaO being 98.0% by mass or more.
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公开(公告)号：EP4371955A1
公开(公告)日：2024-05-22
申请号：EP22915455.4
申请日：2022-10-04
发明人： NUKUI, Yosuke
摘要： A method for manufacturing glass long fiber using recovered glass fiber, capable of manufacturing glass long fiber in which a recycle rate is increased, increase of a liquid phase temperature of molten glass and narrowing of an operating temperature range of the molten glass are suppressed, and a spinning temperature is low The method includes a glass melting step of melting a glass raw material containing glass fiber recovered from a glass fiber-reinforced resin molded product, and a glass fiber mineral material to obtain molten glass; and a spinning step of spinning the molten glass to obtain glass long fiber, and a content of the recovered glass fiber in the glass raw material is in the range of 11 to 75% by mass, and differences in the contents of SiO2, Al2O3, B2O3, and CaO between the glass fiber mineral material and the recovered glass fiber satisfy a prescribed relationship.
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10.发明公开
公开(公告)号：EP4043518A1
公开(公告)日：2022-08-17
申请号：EP20917479.6
申请日：2020-11-20
发明人： NUKUI, Yosuke
IPC分类号： C08K7/14 , C08L101/00
摘要： Provided is a glass fiber-reinforced resin composition that has excellent strength and an excellent modulus when processed into a glass fiber-reinforced resin molded article and has excellent processability on producing a glass fiber-reinforced resin molded article. In the glass fiber-reinforced resin composition, the content of SiO 2 S is 48 to 70% by mass and the content of Al 2 O 3 A is 9 to 30% by mass with respect to the total amount of the glass fiber included therein, the glass fiber comprises a flat cross-sectional shape having a minor axis DS of 6.0 to 15.0 µm and a major axis DL of 20.5 to 50.0 µm, the glass fiber content C in the glass fiber-reinforced resin composition is from 65.0 to 85.0% by mass, and S, A, DS, DL, and C satisfy the following formula (1). 2.24 ≤ 100 × A 2 / S × C / 100 8 / DS 3 / 4 × DL 1 / 4 ≤ 5.85
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