JP2001141191A5

JP2001141191A5 - Manufacturing method of fiber reinforced plastic pressure vessel

Info

Publication number: JP2001141191A5
Application number: JP1999317745A
Authority: JP
Filing date: 1999-11-09
Publication date: 2006-12-21

Description

【特許請求の範囲】
【請求項１】トウ係数αが次式を満足する繊維トウに熱硬化性樹脂を含浸しながら、繊維トウをライナー上に巻き付け、その後熱硬化性樹脂を硬化して、繊維強化プラスチック層を形成する、繊維強化プラスチック製圧力容器の製造方法。
α＝２（Ａ／Ｂ）×Ｔ／｛（Ａ／Ｂ）＋Ｔ｝
１．７≦α≦２．７
ここで、α、Ａ、ＢおよびＴは、それぞれ、トウ係数、繊維トウ断面の長径（ｃｍ）、短径（ｃｍ）および撚り数（ターン数／ｍ）である。
【請求項２】繊維トウとして、引張弾性率が２５０ＧＰａ以上、引張強度が４．８ＧＰａ以上の炭素繊維を用いる、請求項１記載の方法。 [Claims]
1. A fiber toe whose toe coefficient α satisfies the following equation is impregnated with a thermosetting resin, and the fiber toe is wound on a liner, and then the thermosetting resin is cured to form a fiber reinforced plastic layer. How to manufacture a fiber reinforced plastic pressure container.
α = 2 (A / B) × T / {(A / B) + T}
1.7 ≤ α ≤ 2.7
Here, α, A, B, and T are the toe coefficient, the major axis (cm), the minor axis (cm), and the number of twists (number of turns / m) of the fiber toe cross section, respectively.
2. The method according to claim 1, wherein a carbon fiber having a tensile elastic modulus of 250 GPa or more and a tensile strength of 4.8 GPa or more is used as the fiber tow.

こうして創出された発明が請求項１に係る発明であって、トウ係数αが次式を満足する繊維トウに熱硬化性樹脂を含浸しながら、繊維トウをライナー上に巻き付け、その後熱硬化性樹脂を硬化して、繊維強化プラスチック層を形成する、繊維強化プラスチック製圧力容器の製造方法にある。
α＝２（Ａ／Ｂ）×Ｔ／｛（Ａ／Ｂ）＋Ｔ｝
１．７≦α≦２．７
ここで、α、Ａ、ＢおよびＴは、それぞれ、トウ係数、繊維トウ断面の長径（ｃｍ）、短径（ｃｍ）および撚り数（ターン数／ｍ）である。ここで、繊維トウの長径と、短径は、トウをボビンより引き出し、張力１ｋｇを与えた時の自然な幅と厚さをノギス、マイクロメータ等の計測器で測定した値を言う。 The invention thus created is the invention according to claim 1, wherein the fiber toe is wound around the liner while impregnating the fiber toe whose toe coefficient α satisfies the following equation with the thermosetting resin, and then the thermosetting resin is used. Is in the method of manufacturing a fiber reinforced plastic pressure vessel, which is cured to form a fiber reinforced plastic layer.
α = 2 (A / B) × T / {(A / B) + T}
1.7 ≤ α ≤ 2.7
Here, α, A, B, and T are the toe coefficient, the major axis (cm), the minor axis (cm), and the number of twists (number of turns / m) of the fiber toe cross section, respectively. Here, the major axis and the minor axis of the fiber toe refer to values measured by a measuring instrument such as a caliper or a micrometer for the natural width and thickness when the toe is pulled out from the bobbin and a tension of 1 kg is applied.

本件請求項２に係る発明にあっては、請求項１に係る発明の繊維トウとして、引張弾性率が２５０ＧＰａ以上、引張強度が４．８ＧＰａ以上の炭素繊維を用いる。 In the invention according to claim 2, as the fiber toe of the invention according to claim 1, a carbon fiber having a tensile elastic modulus of 250 GPa or more and a tensile strength of 4.8 GPa or more is used.