Thermosetting resin composition for fiber-reinforced composite material, preform, fiber-reinforced composite material, and method for producing fiber-reinforced composite material

    公开(公告)号:AU2018343713A1

    公开(公告)日:2020-01-16

    申请号:AU2018343713

    申请日:2018-09-20

    Abstract: The purpose of the present invention is to provide: a thermosetting resin composition for a fiber-reinforced composite material, the thermosetting resin composition having an excellent balance of rapid curability and storage stability as well as excellent handleability at normal temperature and ability to impregnate a reinforcing fiber base material; and a preform for a fiber-reinforced composite material and a fiber-reinforced composite material that use the same. To achieve this purpose, the first embodiment of the thermosetting resin composition for a fiber-reinforced composite material according the present invention has the following constitution. Specifically, a thermosetting resin composition for a fiber-reinforced composite material having domains of each of [A] a base compound and [B] a curing agent and/or [C] a catalyst and having a specific gravity of 0.90-1.30 and a complex viscosity η* of 1 x 10 7 Pa·s or higher in dynamic viscoelasticity measurement at 25°C.

    PREPREG AND FIBER-REINFORCED COMPOSITE MATERIAL

    公开(公告)号:CA2842643A1

    公开(公告)日:2013-01-31

    申请号:CA2842643

    申请日:2012-07-25

    Abstract: Provided is a prepreg for obtaining a fiber-reinforced composite material which combines stable impact resistance and interlaminar toughness with compressive strength under wet heat conditions. The prepreg comprises an epoxy resin, reinforcing fibers, and polymer particles [C] which are insoluble in the epoxy resin and are either [Cx] or [Cy], wherein 90% or more of [C] are present in the range of from one or each surface of the prepreg to a depth corresponding to 20% of the thickness of the prepreg. [Cx] Polymer particles giving a particle diameter distribution chart (x-i) which has at least two peaks and (x-ii) in which the particle diameter ratio between the two highest peaks is in the range of 1.5-7 and (x-iii) in which the peak, of the two highest peaks, that is located on the larger-particle-diameter side has a half-value width in the range of 1.1-3. [Cy] Polymer particles (y-i) which have an average particle diameter which is 1-18 µm or is larger than 12 µm but not larger than 50 µm, (y-ii) which have a degree of sphericity of 90-100, and (y-iii) which have a glass transition temperature of 80-155ºC.

    Composición de resina epoxi para materiales compuestos reforzados con fibras, y material compuesto reforzado con fibras

    公开(公告)号:ES2908294T3

    公开(公告)日:2022-04-28

    申请号:ES18805134

    申请日:2018-05-21

    Abstract: Una composición de resina epoxi para materiales compuestos reforzados con fibras que comprende los siguientes componentes (A) a (E): componente (A): una resina epoxi componente (B): una diciandiamida o un derivado de la misma componente (C): un compuesto poliisocianato, y componente (D): un compuesto de urea representado por la fórmula (1): **(Ver fórmula)** (en la que R1 y R2 son cada uno independientemente H, CH3, OCH3, OC2H5, NO2, halógeno, o NH-CO-NR3R4; y R3 y R4 son cada uno independientemente un grupo hidrocarburo, grupo alilo, grupo alcoxi, grupo alquenilo, grupo aralquilo, o un compuesto alicíclico que contiene a la vez R3 y R4, conteniendo todos de 1 a 8 átomos de carbono), y componente (E): al menos un compuesto seleccionado del grupo que consiste en sales de amonio cuaternario, sales de fosfonio, compuestos de imidazol y compuestos de fosfina.

    Composición de resina epoxídica, producto de resina epoxídica curada, material compuesto preimpregnado y reforzado con fibra

    公开(公告)号:ES2773002T3

    公开(公告)日:2020-07-09

    申请号:ES16850830

    申请日:2016-07-21

    Abstract: Una composición de resina epoxídica, que comprende al menos los componentes [A], [B] y [C], tal y como se relaciona a continuación: [A] una resina epoxídica como la representada por la Fórmula 1 o una resina epoxídica como la representada por la Fórmula 2, [A] representa de 15 a 70 partes en masa con respecto a la cantidad total de resina epoxídica, que representa 100 partes en masa, cuando [A] es una resina epoxídica como la representada por la Fórmula 1: **(Ver fórmula)** en las que cada R1 de la Formula 1 y de la Fórmula 2 es un átomo de hidrógeno o un grupo metilo, no siendo la pluralidad de R1 necesariamente idéntica entre sí; R2 a R6 son cada uno un grupo sustituyente seleccionado entre el grupo, que consiste en un grupo alquilo, que contiene de 1 a 10 átomos de carbono, un grupo cicloalquilo, que contiene de 6 a 15 átomos de carbono, un grupo arilo, que contiene de 6 a 18 átomos de carbono, un átomo de hidrógeno y un átomo de halógeno; cada k, que denota el número de sustituyentes, es un número entero de 0 a 4, no siendo la k necesariamente idéntica entre sí; n, que denota el número de unidades de repetición, es un número entero de 0 o más; X, que denota un grupo de unión, es uno seleccionado entre el grupo que consiste en -C(Y)(Z)- (en donde Y y Z son cada uno un grupo alquilo que contiene de 1 a 10 átomos de carbono, un grupo cicloalquilo, que contiene de 6 a 15 átomos de carbono, un grupo arilo, que contiene de 6 a 18 átomos de carbono, un átomo de hidrógeno o un átomo de halógeno, siendo Y y Z idénticos o diferentes entre sí), -C(=O)NH-, -C(=O)O-, -S(=O)2- , -C(=O)-, -O-, -S-, y- (sin átomos); [B] al menos un componente seleccionado entre el grupo, que consiste en resinas termoplásticas, que es compatible con la resina epoxídica [A] y con los polímeros de núcleo-envoltura; y [C] agente de curado de amina.

    6.
    发明专利
    未知

    公开(公告)号:BRPI0507208A

    公开(公告)日:2007-06-12

    申请号:BRPI0507208

    申请日:2005-03-02

    Abstract: The invention provides epoxy resin composition containing, as epoxy resin, the following epoxy resin (a) and epoxy resin (b), solid rubber at a ratio of 1 to 20 parts by weight to 100 parts by weight of the entire epoxy resins, and an aromatic amine as a curing agent and having a glass transition temperature of 160 to 220°C in form of a cured material after heat curing at 180°C for 2 hours: (a) an epoxy resin having oxazolidone rings and (b) a glycidylamine type epoxy resin.

    7.
    发明专利
    未知

    公开(公告)号:DE69822287D1

    公开(公告)日:2004-04-15

    申请号:DE69822287

    申请日:1998-12-01

    Abstract: The phenolic resin composition for fiber-reinforced composite materials of the invention comprises at least the following constituent elements A and B of a thermoplastic resin: A: phenolic resin, B: at least one thermoplastic resin selected from polyvinyl formals, polyvinyl acetals, polyvinyl butyrals, polyvinyl pyrrolidones, polyvinyl acetates, polyvinyl alcohols, polyethylene glycols, copolymerized nylons and dimer acid polyamides. The resin composition is filmwise applied to reinforcing fibers, and the resulting film is heated under pressure whereby it is impregnated into the reinforcing fibers to give a prepreg for fiber-reinforced composite materials.

    Molding material and fiber reinforced composite material

    公开(公告)号:AU2021217266A1

    公开(公告)日:2022-08-18

    申请号:AU2021217266

    申请日:2021-01-27

    Abstract: The purpose of the present invention is to provide: a molding material from which a carbon fiber reinforced composite material having excellent impact resistance and tensile strength is obtained; and a molding material from which a glass fiber reinforced composite material, that has high bending strength and impact resistance, has excellent weather resistance, and can suppress a decrease in bending strength after water absorption, is obtained. In order to achieve the purpose, the molding material according to the present invention is a molding material formed of an epoxy resin composition and a carbon fiber and/or a glass fiber, wherein the epoxy resin composition includes all of [A] to [C], the carbon fiber satisfies conditions [a] and [b], and the glass fiber has a surface functional group capable of forming a covalent bond with an isocyanate group. [A] Epoxy resin having at least two oxylan groups in molecule [B] Epoxy resin curing agent having at least two isocyanate groups in molecule [C] Catalyst [a] Having substantially perfect circular cross section [b] Average fiber diameter of 4.0-8.0 μm

    КОМПОЗИЦИЯ ЭПОКСИДНОЙ СМОЛЫ, ОТВЕРЖДЕННЫЙ ПРОДУКТ ЭПОКСИДНОЙ СМОЛЫ, ПРЕПРЕГ И КОМПОЗИТНЫЙ МАТЕРИАЛ, АРМИРОВАННЫЙ ВОЛОКНАМИ

    公开(公告)号:RU2715237C1

    公开(公告)日:2020-02-26

    申请号:RU2018116012

    申请日:2016-07-21

    Abstract: Изобретениеотноситсяк композицииэпоксиднойсмолы, препрегуи композитномуматериалу, которыйможетбытьпримененв аэрокосмическойпромышленностиилидляпроизводстваспортивныхтоваров. Композицияэпоксиднойсмолысодержитпоменьшеймереодинкомпонент [A], выбранныйизгруппыглицидильногосоединения 2,2'-бифенола, 2,2'-дигидроксидифенилметана, 2,2'-метилен-бис(4-метилфенола), 2,2'-изопропилидендифенола, 2,2'-тиодифенолаи 2,2'-оксидифенола, илиглицидильноесоединение 2-аминофенола; поменьшеймереодинкомпонент [B], выбранныйизгруппы, состоящейизтермопластичныхсмол, которыесовместимыс [A], илиполимеровтипасердцевина-оболочка; поменьшеймереодинкомпонент [C], представляющийсобойаминовыйотверждающийагент. Компонент [A] составляетот 15 до 70 частеймассовыхпоотношениюк общемуколичествуэпоксиднойсмолы. Препрегполучаютимпрегнированиемармирующеговолокнавышеуказаннойкомпозиции. Композитныйматериал, армированныйволокнами, получаютотверждениемвышеуказанногопрепрега. Композитныйматериалсодержитматериалотвержденнойэпоксиднойсмолы, полученнойотверждениемкомпозицииэпоксиднойсмолы, иармирующееволокно. Изобретениепозволяетполучитьотвержденнуюкомпозицию, котораяимеетвысокиймодульупругостии высокуюноминальнуюдеформациюсжатияприразрыве, атакжеполучитькомпозитныйматериал, имеющийпревосходнуюпрочностьприсжатиии межслойнуюжесткость. 4 н. и 8 з.п. ф-лы, 11 табл., 29 пр.

    EPOXY RESIN COMPOSITION FOR FIBER-REINFORCED COMPOSITE MATERIALS, PREPREG, AND FIBER-REINFORCED COMPOSITE MATERIAL

    公开(公告)号:CA2825080A1

    公开(公告)日:2012-08-02

    申请号:CA2825080

    申请日:2012-01-20

    Abstract: Provided are: a fiber-reinforced composite material which has mode I interlaminar fracture toughness, mode II interlaminar fracture toughness and compressive strength under wet heat conditions at the same time; an epoxy resin composition for obtaining the fiber-reinforced composite material; and a prepreg which is obtained using the epoxy resin composition. An epoxy resin composition for fiber-reinforced composite materials, which contains at least the following constituent elements (A), (B), (C) and (D). (A) An epoxy resin (B) Resin particles that satisfy the following conditions (b1)-(b3) and are insoluble in an epoxy resin (b1) The particle size distribution index is 1.0-1.8. (b2) The particle sphericity is 90 or more. (b3) The glass transition temperature of the particles is 80-180°C. (C) At least one elastomer component that is selected from among block copolymers containing a block having a glass transition temperature of 20°C or less and rubber particles (D) An epoxy resin curing agent

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