Prepreg, laminate, and integrated molded article

A prepreg, laminate technology, applied in layered products, synthetic resin layered products, chemical instruments and methods, etc., can solve problems such as insufficient heat resistance and chemical resistance, and achieve excellent bonding strength , Excellent performance, the effect of reducing molding time and molding cost

Pending Publication Date: 2022-07-12
TORAY IND INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

On the other hand, when mechanical properties at high temperature and excellent chemical resistance are required,

Method used

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  • Prepreg, laminate, and integrated molded article
  • Prepreg, laminate, and integrated molded article
  • Prepreg, laminate, and integrated molded article

Examples

Experimental program
Comparison scheme
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Example Embodiment

[0096] Example

[0097] Hereinafter, the present invention will be described in detail by way of examples. However, the scope of the present invention is not limited to these Examples. In addition, the unit "part" of a composition ratio means a mass part unless there is a special note. In addition, the measurement of various characteristics was performed in the environment of temperature 23 degreeC, and relative humidity 50% unless there is a special note.

[0098]

[0099] The components [A], [B] and [C] shown below are used. The components used in the respective Examples and Comparative Examples are shown in Tables 1 to 3.

[0100] Component [A]: Reinforcing fiber

[0101] After obtaining a common carbon fiber bundle serving as a raw material by the following method, various compounds for sizing agents are applied to obtain it. First, by spinning and firing the itaconic acid-copolymerized acrylonitrile copolymer, the total number of filaments was 24,000 and the specif...

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PUM

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Abstract

The present invention addresses the problem of providing: a prepreg for producing a laminate suitable as a structural material, said prepreg having excellent reactivity as a prepreg, having excellent compressive strength and interlayer fracture toughness values for obtaining a laminate, and being capable of being firmly integrated with another structural member by means of welding; and a laminate. The present invention is a prepreg comprising the following constituent elements [A], [B], and [C], [C] being present on the surface of the prepreg, [B] comprising a first curing agent [b1] and a second curing agent [b2], and [A] reinforcing fibers being present in contact with both resin regions across the boundary surface between the resin region comprising [B] and the resin region comprising [C]. [A] reinforcing fibers, [B] thermosetting resin, and [C] thermoplastic resin.

Description

technical field [0001] The present invention relates to a prepreg in which reinforcing fibers are impregnated with a thermosetting resin and a thermoplastic resin, and a laminate or an integrally molded product comprising a thermosetting resin, a thermoplastic resin, and a reinforcing fiber. Background technique [0002] For fiber-reinforced composite materials that use thermosetting resin or thermoplastic resin as a matrix and are combined with reinforcing fibers such as carbon fibers and glass fibers, they are lightweight, and have mechanical properties such as strength, rigidity, heat resistance, and resistance. Due to its excellent corrosion properties, it is used in many fields such as aerospace, automobiles, railway vehicles, ships, civil construction and sporting goods. However, these fiber-reinforced composite materials are not suitable for the manufacture of parts and structures having complex shapes in a single molding process, and in the above-mentioned applicatio...

Claims

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Application Information

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IPC IPC(8): C08J5/24B32B5/00B32B27/38C08J5/04
CPCB32B2260/046B32B27/281B32B27/16B32B2255/26B32B2307/542B32B2307/738B32B2260/023B32B5/12B32B27/34B32B2255/10B32B2307/538B32B27/286B32B2307/54B32B27/36B32B2262/106B32B3/085B32B27/12B32B27/285B32B2307/308B32B2307/558C08J5/249C08J5/243C08J5/248C08J2363/00C08J2377/02C08J2371/00C08J2365/00C08J2381/04C08J2379/08C08J2367/02C08J2377/06B32B5/26B32B27/38B32B2305/72
Inventor 三角润本间雅登筱原响子古川浩司新井厚仁
Owner TORAY IND INC
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