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1. 发明公开

EP4082738A1 PREPREG, MOLDED ARTICLE, AND INTEGRALLY MOLDED ARTICLE 审中-实审
公开(公告)号：EP4082738A1
公开(公告)日：2022-11-02
申请号：EP20904661.4
申请日：2020-11-06
申请人： Toray Industries, Inc.
发明人： ONODERA, Miho , TAKEBE, Yoshiki , KONISHI, Daisuke , NAITO, Yuta , NAKAYAMA, Yoshifumi , HONMA, Masato
IPC分类号： B29B11/16 , B29K105/08 , B32B27/04
摘要： A problem of the present invention is to provide a prepreg and an integrally molded article, the prepreg including a thermoplastic resin existing on one face of a layer in which reinforcing fibers are impregnated with a thermosetting resin, wherein the prepreg exhibits, in injection molding or press molding, thermal weldability with a member containing a thermoplastic resin, and wherein the thermosetting resin has a specific peak on a loss tangent (tan δ) curve obtained by dynamic mechanical analysis (DMA), so that the prepreg exhibits suitable flexibility and adhesiveness, excellent formability on a complicated mold face, and adhesion to a mold face, causes no positional shift, and can be efficiently reinforced and stiffened at an intended position. A main object of the present invention is to provide a prepreg containing (A) reinforcing fibers, (B) a thermosetting resin, and (C) a thermoplastic resin, wherein the (C) thermoplastic resin exists on one face of a layer in which the (A) reinforcing fibers are impregnated with the (B) thermosetting resin, and wherein the (B) thermosetting resin has a peak at 30°C or more and 100°C or less on a loss tangent (tan δ) curve obtained by dynamic mechanical analysis (DMA).

2. 发明公开

EP3974465A1 FIBER-REINFORCED RESIN SUBSTRATE, INTEGRATED MOLDED ARTICLE, AND METHOD FOR MANUFACTURING FIBER-REINFORCED RESIN SUBSTRATE 审中-实审
公开(公告)号：EP3974465A1
公开(公告)日：2022-03-30
申请号：EP20810505.6
申请日：2020-05-15
申请人： Toray Industries, Inc.
发明人： FUJIOKA, Takashi , IMAI, Naokichi , HONMA, Masato , TAKEBE, Yoshiki , SHINOHARA, Kotaro
IPC分类号： C08J5/04 , B29C70/16 , B29C70/42 , B29C70/68 , B32B7/02 , B32B27/00 , B32B27/12 , B32B27/32 , B32B27/34 , B32B27/36 , B32B27/38 , B29K105/08
摘要： A fiber-reinforced plastic substrate including components [A], [B], and [C] shown below:
[A] reinforcing fibers;
[B] thermoplastic resin (b); and
[C] thermoplastic resin (c),
wherein
the component [A] is arranged in one direction,
in the fiber-reinforced plastic substrate, a resin area including the component [B] and a resin area including the component [C] are present,
the resin area including the component [B] is present on a surface of one side of the fiber-reinforced plastic substrate,
a distance Ra( bc ) between Hansen solubility parameters of the component [B] and the component [C] satisfies formula (1): Ra bc = 4 δ DB − δ DC 2 + δ PB − δ PC 2 + δ HB − δ HC 2 1 / 2 ≥ 8
wherein
Ra( bc ) is a distance between Hansen solubility parameters of the component [B] and the component [C];
δDB is an energy due to intermolecular dispersive power of the component [B];
δDC is an energy due to intermolecular dispersive power of the component [C];
δPB is an energy due to intermolecular dipole interaction of the component [B];
δPC is an energy due to intermolecular dipole interaction of the component [C];
δHB is an energy due to intermolecular hydrogen bonding of the component [B]; and
δHC is an energy due to intermolecular hydrogen bonding of the component [C], and
the component [A] is present across a boundary between the resin area including the component [B] and the resin area including the component [C] and included in both resin areas. The present invention provides a fiber-reinforced plastic substrate in which a plurality of resins having different properties are firmly compounded.

3. 发明授权

EP3352548B1 ELECTRONIC DEVICE HOUSING 有权
公开(公告)号：EP3352548B1
公开(公告)日：2020-10-28
申请号：EP16846311.5
申请日：2016-09-06
申请人： Toray Industries, Inc.
发明人： HONMA, Masato , TAKEBE, Yoshiki , IMAI, Naokichi , FUJIOKA, Takashi
IPC分类号： H05K7/20

4. 发明授权

EP1593491B1 LAYERED PRODUCT, ELECTROMAGNETIC-SHIELDING MOLDED OBJECT, AND PROCESSES FOR PRODUCING THESE 有权
标题翻译： LAYER产品形式BODY ON电磁屏蔽及其制造方法
公开(公告)号：EP1593491B1
公开(公告)日：2012-03-14
申请号：EP03768228.3
申请日：2003-12-25
申请人： TORAY INDUSTRIES, INC.
发明人： HONMA, Masato , ISHIBASHI, Souichi , TAKEBE, Yoshiki , OBARA, Haruo , NISHIZAWA, Takeshi, Park-City Kitaoji 412 , SHIHO, Kosuke , ETO, Seiichiro , HASEGAWA, Takashi , TANISUGI, Hideaki
IPC分类号： B32B5/28
CPC分类号： B32B5/24 , B29C65/02 , B29C65/08 , B29C65/16 , B29C65/4815 , B29C65/5057 , B29C65/8215 , B29C66/0242 , B29C66/1122 , B29C66/30322 , B29C66/3034 , B29C66/43 , B29C66/71 , B29C66/7212 , B29C66/72141 , B29C66/73115 , B29C66/73117 , B29C66/73161 , B29C66/73752 , B29C66/7392 , B29C66/7394 , B29C66/73941 , B29C66/8322 , B29C66/91445 , B29C66/919 , B29C66/91921 , B29C66/91933 , B29C66/91935 , B29C66/91943 , B29C66/929 , B29C66/949 , B29C70/00 , B32B5/022 , B32B5/10 , B32B5/26 , B32B27/04 , B32B2260/021 , B32B2260/046 , B32B2262/106 , B32B2305/08 , B32B2457/00 , B32B2535/00 , B32B2605/00 , B60K15/03177 , B60K2015/03046 , H05K9/009 , Y10T428/24364 , Y10T428/249924 , Y10T428/249942 , Y10T428/249945 , Y10T428/24995 , Y10T428/249952 , Y10T428/2826 , Y10T428/2896 , Y10T428/31504 , Y10T428/31507 , Y10T428/31511 , Y10T428/31551 , Y10T428/31725 , Y10T428/31739 , Y10T428/31786 , Y10T428/31855 , Y10T428/31935 , Y10T428/31938 , B29K2307/04 , B29K2077/00 , B29K2069/00 , B29K2067/00 , B29K2081/04 , B29K2063/00 , B29K2075/00 , B29K2033/08 , B29K2025/04 , B29K2023/083 , B29K2023/00
摘要： A layered product which is a molded object comprising a thermoset resin layer, a thermoplastic resin layer, and reinforcing fibers comprising many continuous filaments, wherein the thermoset resin layer has been united with the thermoplastic resin layer at the interface between these layers, the resin of the thermoset resin layer and the resin of the thermoplastic resin layer each having an irregular surface shape at the interface, and a group of filaments among the reinforcing fibers are in contact with at least the resin of the thermoset resin layer and the other group of filaments among the reinforcing fibers are in contact with at least the resin of the thermoplastic resin layer, that side of the thermoplastic resin layer which is opposite to the interface being a surface of the molded object.

5. 发明公开

EP4282644A1 PREPREG, MOLDED ARTICLE, AND INTEGRALLY MOLDED ARTICLE 审中-实审
公开(公告)号：EP4282644A1
公开(公告)日：2023-11-29
申请号：EP21921323.8
申请日：2021-12-21
申请人： Toray Industries, Inc.
发明人： ONODERA, Miho , TAKEBE, Yoshiki , NAITO, Yuta , MISUMI, Jun , NAKAYAMA, Yoshifumi , HONMA, Masato
IPC分类号： B32B5/10 , C08J5/24
摘要： A problem to be solved by the present invention is to provide a prepreg and an integrally molded article, wherein the prepreg exhibits suitable flexibility and adhesiveness, excels in formability on a complicated mold face and adhesion to a mold face, causes no positional shift, and can be efficiently reinforced and stiffened at an intended position. A main object of the present invention is to provide a prepreg including (A) reinforcing fibers, (B) a thermosetting resin, and (C) a thermoplastic resin, wherein the (C) thermoplastic resin exists in at least a part of a face of the prepreg, and wherein the prepreg satisfies the condition [I], and satisfies the condition [II] or the condition [III]: [I]: the (B) thermosetting resin has a peak in the temperature range of more than 100°C and 180°C or less on a loss tangent (tan δ) curve measured under isokinetic heating by dynamic mechanical analysis (DMA); [II]: on a loss angle δ curve obtained by measuring the prepreg isothermally by dynamic mechanical analysis (DMA), the loss angle δ curve has a point representing the maximum value, and has a point which represents a loss angle δ value 5° or more smaller than the maximum value, and which is on the earlier time side of the point representing the maximum value; and [III]: even if, on the loss angle δ curve obtained by measuring the prepreg isothermally by dynamic mechanical analysis (DMA), the loss angle δ curve has a point representing the maximum value, the loss angle δ curve does not have a point which represents a loss angle δ value 5° or more smaller than the maximum value, and which is on the earlier time side of the point representing the maximum value, or the loss angle δ curve does not have a point representing the maximum value, and has a descendingly behaving section in which the loss angle δ value becomes 5° or more smaller at a slope of -1.4°/minute or more.

6. 发明公开

EP3560985A1 STRUCTURE AND PRODUCTION METHOD THEREFOR 审中-实审
公开(公告)号：EP3560985A1
公开(公告)日：2019-10-30
申请号：EP17884819.8
申请日：2017-12-20
申请人： Toray Industries, Inc.
发明人： FUJIOKA, Takashi , TAKEBE, Yoshiki , HONMA, Masato
IPC分类号： C08J5/04 , B29C43/18
摘要： Provided is a mountain-shaped structure material being excellent in stiffness and lightness. The present invention is a structure material including a resin, reinforced fibers and voids. The structure material has a specific bending stiffness represented as EC 1/3 ·ρ -1 being 2.5 or more where a bending modulus is Ec and a density is p. The structure material has a mountain shape.

7. 发明公开

EP2940065A1 FIBER-REINFORCED RESIN SHEET, INTEGRATED MOLDED PRODUCT AND PROCESS FOR PRODUCING SAME 有权
标题翻译： FASERVERSTÄRKTEHARZFOLIE，INTEGRIERTES GEFORMTES PRODUKT UND VERFAHREN ZUR HERSTELLUNG DAVON
公开(公告)号：EP2940065A1
公开(公告)日：2015-11-04
申请号：EP13868075.6
申请日：2013-12-06
申请人： Toray Industries, Inc.
发明人： TAKEBE, Yoshiki , KIHARA, Hiroki , HIRANO, Noriyuki
IPC分类号： C08J5/06 , B29C43/02 , B29C45/14 , B29C65/70 , B29K105/08
CPC分类号： C08J5/042 , B29C43/18 , B29C43/305 , B29C45/0005 , B29C45/14311 , B29C45/14786 , B29C70/021 , B29C70/345 , B29K2101/12 , B29K2105/12 , B29K2307/04 , B29L2031/3481 , B32B5/022 , B32B27/12 , B32B27/34 , B32B27/365 , B32B2260/023 , B32B2260/046 , B32B2307/538 , B32B2307/542 , B32B2605/00 , B32B2605/003 , C08J5/04 , C08J5/24 , C08J2300/22 , C08J2323/12 , C08J2369/00 , C08J2371/12 , C08J2377/02 , C08J2377/06 , C08J2381/04 , C08K7/06
摘要： A fiber-reinforced resin sheet and an integrally molded article are provided. The fiber-reinforced resin sheet comprises a nonwoven fabric made of reinforcing fibers having a thermoplastic resin (A) impregnated on one side of the nonwoven fabric. The fiber-reinforced resin sheet satisfies any one of the following conditions (I) and (II):
(I) the nonwoven fabric has an area wherein the reinforcing fibers constituting the nonwoven fabric are exposed on the other side in the thickness direction of the nonwoven fabric, and
(II) the nonwoven fabric has a thermoplastic resin (B) impregnated on the other side in thickness direction of the nonwoven fabric, and the nonwoven fabric has a reinforcing fiber volume ratio Vfm of up to 20% by volume, and wherein the thermoplastic resin (A) and the thermoplastic resin (B) form an interface layer in the sheet, and the interface layer has a concave-convex shape with a maximum height Ry of at least 50 µm and an average roughness Rz of at least 30 µm.
摘要翻译：提供纤维增强树脂片和整体模塑制品。纤维增强树脂片包括由在非织造织物的一侧上浸渍有热塑性树脂（A）的增强纤维制成的无纺布。纤维增强树脂片材满足以下条件（I）和（II）中的任何一个：（I）无纺布具有其中构成无纺布的增强纤维在另一侧在厚度方向上露出的区域无纺织物，（II）无纺布具有浸渍在无纺布的厚度方向另一侧的热塑性树脂（B），无纺布的增强纤维体积比Vfm高达20体积％，其中，所述热塑性树脂（A）和所述热塑性树脂（B）在所述片材中形成界面层，并且所述界面层具有凹凸形状，其最大高度Ry为至少50μm，平均粗糙度Rz为至少 30μm。

8. 发明公开

EP1803551A1 SANDWICH STRUCTURE AND INTEGRATED FORMED ARTICLE USING THE SAME 有权
标题翻译： SANDWICHSTRUKTUR VERWENDENDER INTEGRIERTERFORMKÖRPER
公开(公告)号：EP1803551A1
公开(公告)日：2007-07-04
申请号：EP05778257.5
申请日：2005-09-07
申请人： TORAY INDUSTRIES, INC.
发明人： HONMA, Masato , TSUCHIYA, Atsuki , TAKEBE, Yoshiki , ISHIKAWA, Syuji
IPC分类号： B32B5/28
CPC分类号： B32B5/28 , B29C70/086 , B32B5/245 , B32B27/065 , B32B27/32 , B32B27/34 , B32B2250/40 , B32B2260/021 , B32B2260/046 , B32B2262/106 , B32B2266/025 , B32B2266/08 , B32B2307/718 , Y10T428/249977 , Y10T428/249982
摘要： A sandwich structure (III) which has a core material (I) and, arranged on the both surfaces of said core material (I), a fiber-reinforced material (II) composed of a continuous reinforcing fiber (A) and a matrix resin (B), wherein the above core material (I) comprises a void. The void is formed by bubbles of a foamed material or, the core is composed of a discontinuous reinforcing fiber and a thermoplastic resin and the void is formed by interstices formed at crossings of filaments of said reinforcing fiber.
摘要翻译： 1.一种具有芯材（I）并配置在所述芯材（I）的两面的夹层结构体（III），由连续增强纤维（A）和基质树脂（A）构成的纤维强化材料（B），其中上述芯材（I）包含空隙。空隙由发泡材料的气泡形成，或者芯由不连续的增强纤维和热塑性树脂构成，并且通过在所述增强纤维的细丝的交叉处形成的间隙形成空隙。

9. 发明公开

EP3974142A1 METHOD FOR PRODUCING FIBER-REINFORCED RESIN SUBSTRATE, FIBER-REINFORCED RESIN SUBSTRATE, AND MOLDED ARTICLE INTEGRATED THEREWITH 审中-实审
公开(公告)号：EP3974142A1
公开(公告)日：2022-03-30
申请号：EP20810669.0
申请日：2020-05-15
申请人： Toray Industries, Inc.
发明人： SHINOHARA, Kotaro , TAKEBE, Yoshiki , NAKAYAMA, Yoshihumi , HONMA, Masato
IPC分类号： B29B11/16 , B32B17/04 , B32B27/32 , B32B27/34 , B32B27/36 , B32B27/38 , B32B27/42 , B32B37/15 , C08J5/04
摘要： In order to provide a fiber-reinforced plastic substrate that simultaneously satisfies three points of joinability, mechanical characteristics, and productivity, there is provided a method for producing a fiber-reinforced plastic substrate including the following components [A], [B], and [C], wherein at least the following drawing step, first impregnating step, second impregnating step, and take-up step are continuously and sequentially performed while the component [A] is caused to run.
[A] a reinforcing fiber
[B] a thermoplastic resin
[C] a thermosetting resin
step of drawing a continuous reinforcing fiber sheet containing the component [A]
step of impregnating either the component [B] or the component [C] from one surface of the continuous reinforcing fiber sheet to obtain a fiber-reinforced plastic intermediate in which either the component [B] or the component [C] is disposed on a first surface
step of impregnating the other of the component [B] or the component [C] from a second surface opposite to the first surface to obtain a fiber-reinforced plastic substrate
step of taking up the fiber-reinforced plastic substrate

10. 发明公开

EP3778742A1 MOLDED ARTICLE AND PRODUCTION METHOD THEREFOR 审中-实审
公开(公告)号：EP3778742A1
公开(公告)日：2021-02-17
申请号：EP19774265.3
申请日：2019-03-28
申请人： Toray Industries, Inc.
发明人： TAKEBE, Yoshiki , HONMA, Masato
IPC分类号： C08J9/36 , B29C45/14 , B32B5/18 , C08J5/04 , C08J7/04
摘要： The invention provides a molded product having both small specific gravity and high stiffness and also suffering few sink marks and also provide a method for the production thereof. A molded product including a porous body (A) integrated with an injection molded body (B), the porous body (A) having an apparent density of 0.05 to 0.8 g/cm 3 , the average thickness (tA) of the porous body (A) and the average thickness (tB) of the injection molded body (B) satisfying the relation tA ≥ 3 × tB, and the injection molded body (B) covering at least one face of the porous body (A).

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