JP2014069391A5 - - Google Patents
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- JP2014069391A5 JP2014069391A5 JP2012216409A JP2012216409A JP2014069391A5 JP 2014069391 A5 JP2014069391 A5 JP 2014069391A5 JP 2012216409 A JP2012216409 A JP 2012216409A JP 2012216409 A JP2012216409 A JP 2012216409A JP 2014069391 A5 JP2014069391 A5 JP 2014069391A5
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- JP
- Japan
- Prior art keywords
- reinforcing fiber
- fiber sheet
- reference plane
- matrix resin
- slit die
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000835 fiber Substances 0.000 claims description 36
- 230000003014 reinforcing Effects 0.000 claims description 34
- 239000011159 matrix material Substances 0.000 claims description 20
- 239000011342 resin composition Substances 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 239000011347 resin Substances 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 7
- 238000005470 impregnation Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 3
- 238000007373 indentation Methods 0.000 claims description 3
- 229920000049 Carbon (fiber) Polymers 0.000 claims 3
- 239000004917 carbon fiber Substances 0.000 claims 3
- 239000000203 mixture Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000001681 protective Effects 0.000 description 1
Description
本発明は、マトリクス樹脂組成物（Ｒ）をスリットダイ（Ｄ）から吐出して、走行する一方向の強化繊維シート（Ｉ）にマトリクス樹脂組成物（Ｒ）を塗布する塗布工程、及びマトリックス樹脂組成物（Ｄ）を強化繊維シート（Ｉ）に含浸させる含浸工程を有するプリプレグの製造方法であって、
上記塗布工程において、
強化繊維シート（Ｉ）を支持する第１の支持ガイド、スリットダイ（Ｄ）、および、強化繊維シート（Ｉ）を支持する第２の支持ガイドがこの順序で互いに平行に設置され、
強化繊維シート（Ｉ）の一方の面が、第１及び第２の支持ガイドによって支持され、
強化繊維シート（Ｉ）の他方の面にスリットダイ（Ｄ）のマトリクス樹脂吐出口を押し付けてマトリクス樹脂組成物（Ｒ）を塗布し、
強化繊維シート（Ｉ）の張力が３００Ｎ／ｍ以上２９００Ｎ／ｍ未満であり、
第１の支持ガイドと第２の支持ガイドのそれぞれの強化繊維シート（Ｉ）を支持する側の共通接線で構成される面を基準平面として該基準平面とスリットダイ（Ｄ）の吐出口の中心線との距離を押し込み深さｄとし、
第１の支持ガイドと該基準平面との接線とスリットダイ（Ｄ）の吐出口の中心線を該基準平面の法線方向に該基準平面上に投影した線との距離をＬ１とし、
第２の支持ガイドと該基準平面との接線とスリットダイ（Ｄ）の吐出口の中心線を該基準平面の法線方向に該基準平面上に投影した線との距離をＬ２としたときに、
０≦ｄ／Ｌ１＋ｄ／Ｌ２≦０．１
を満足するプリプレグの製造方法である。
The present invention relates to an application step of discharging a matrix resin composition (R) from a slit die (D) and applying the matrix resin composition (R) to a traveling unidirectional reinforcing fiber sheet (I) , and a matrix resin A method for producing a prepreg having an impregnation step of impregnating the reinforcing fiber sheet (I) with the composition (D) ,
In the application step,
The first support guide for supporting the reinforcing fiber sheet (I), the slit die (D), and the second support guide for supporting the reinforcing fiber sheet (I) are installed in parallel with each other in this order,
One surface of the reinforcing fiber sheet (I) is supported by the first and second support guides,
Applying the matrix resin composition (R) by pressing the matrix resin discharge port of the slit die (D) against the other surface of the reinforcing fiber sheet (I),
The tension of the reinforcing fiber sheet (I) is 300 N / m or more and less than 2900 N / m,
The reference plane and the center of the discharge port of the slit die (D) are defined with a plane formed by a common tangent on the side supporting the reinforcing fiber sheets (I) of the first support guide and the second support guide as a reference plane. The distance from the line is the indentation depth d,
The distance between the tangent line between the first support guide and the reference plane and the center line of the outlet of the slit die (D) projected onto the reference plane in the normal direction of the reference plane is L1,
When the distance between the tangent line between the second support guide and the reference plane and the center line of the outlet of the slit die (D) projected onto the reference plane in the normal direction of the reference plane is L2. ,
0 ≦ d / L1 + d / L2 ≦ 0.1
It is a manufacturing method of the prepreg which satisfies these.
以下、本発明を詳細に説明する。
本発明は、マトリクス樹脂組成物（Ｒ）をスリットダイ（Ｄ）から吐出して、走行する一方向の強化繊維シート（Ｉ）にマトリクス樹脂組成物（Ｒ）を塗布する塗布工程、及びマトリックス樹脂組成物（Ｄ）を強化繊維シート（Ｉ）に含浸させる含浸工程を有するプリプレグの製造方法である。
本発明のプリプレグの製造方法では、強化繊維シート（Ｉ）にマトリックス樹脂組成物（Ｒ）を塗布する上記の塗布工程において、
強化繊維シート（Ｉ）を支持する第１の支持ガイド、スリットダイ（Ｄ）、および、強化繊維シート（Ｉ）を支持する第２の支持ガイドがこの順序で互いに平行に設置され、
強化繊維シート（Ｉ）の一方の面が、第１及び第２の支持ガイドによって支持され、
強化繊維シート（Ｉ）の他方の面にスリットダイ（Ｄ）のマトリクス樹脂吐出口を押し付けてマトリクス樹脂組成物（Ｒ）を塗布する。
この工程において、強化繊維シート（Ｉ）の張力が３００Ｎ／ｍ以上２９００Ｎ／ｍ未満であり、
第１の支持ガイドと第２の支持ガイドのそれぞれの強化繊維シート（Ｉ）を支持する側の共通接線で構成される面を基準平面として該基準平面とスリットダイ（Ｄ）の吐出口の中心線との距離を押し込み深さｄとし、
第１の支持ガイドと該基準平面との接線とスリットダイ（Ｄ）の吐出口の中心線を該基準平面の法線方向に該基準平面上に投影した線との距離をＬ１とし、
第２の支持ガイドと該基準平面との接線とスリットダイ（Ｄ）の吐出口の中心線を該基準平面の法線方向に該基準平面上に投影した線との距離をＬ２としたときに、
０≦ｄ／Ｌ１＋ｄ／Ｌ２≦０．１
を満足する。
Hereinafter, the present invention will be described in detail.
The present invention relates to an application step of discharging a matrix resin composition (R) from a slit die (D) and applying the matrix resin composition (R) to a traveling unidirectional reinforcing fiber sheet (I) , and a matrix resin It is a method for producing a prepreg having an impregnation step of impregnating the reinforcing fiber sheet (I) with the composition (D) .
In the manufacturing method of the prepreg of the present invention, in the above application step of applying the matrix resin composition (R) to the reinforcing fiber sheet (I),
The first support guide for supporting the reinforcing fiber sheet (I), the slit die (D), and the second support guide for supporting the reinforcing fiber sheet (I) are installed in parallel with each other in this order,
One surface of the reinforcing fiber sheet (I) is supported by the first and second support guides,
The matrix resin composition (R) is applied by pressing the matrix resin discharge port of the slit die (D) against the other surface of the reinforcing fiber sheet (I).
In this step, the tension of the reinforcing fiber sheet (I) is 300 N / m or more and less than 2900 N / m,
The reference plane and the center of the discharge port of the slit die (D) are defined with a plane formed by a common tangent on the side supporting the reinforcing fiber sheets (I) of the first support guide and the second support guide as a reference plane. The distance from the line is the indentation depth d,
The distance between the tangent line between the first support guide and the reference plane and the center line of the outlet of the slit die (D) projected onto the reference plane in the normal direction of the reference plane is L1,
When the distance between the tangent line between the second support guide and the reference plane and the center line of the outlet of the slit die (D) projected onto the reference plane in the normal direction of the reference plane is L2. ,
0 ≦ d / L1 + d / L2 ≦ 0.1
Satisfied.
ここで、プリプレグを製造する方法の一例について、図１を用いて具体的に説明する。
図１に示すプリプレグ製造装置１０は、強化繊維シート（Ｉ）１１ｂにマトリクス樹脂組成物を付着させる塗布手段１２ａと、強化繊維シート（Ｉ）１１ｂに付着したマトリクス樹脂組成物（Ｒ）を強化繊維シート（Ｉ）１１ｂおよび強化繊維シート（ＩＩ）１１ａに含浸させる３組の含浸手段１３と、駆動ロール１５と、保護シートを繰り出す繰り出し手段１４と、得られたプリプレグ１６を巻き取る巻き取り手段１７とを具備して構成される。
塗布手段１２ａは、樹脂組成物を貯蔵するレジンタンク（図示略）と、レジンタンクから供給されたマトリクス樹脂組成物（Ｒ）を強化繊維シート（Ｉ）１１ｂに塗布するスリットダイ（Ｄ）を備える。
含浸手段１３は、加温可能な１対の含浸ロール１３ａ、１３ｂを備える。
Here, an example of a method for producing a prepreg will be specifically described with reference to FIG.
The prepreg manufacturing apparatus 10 shown in FIG. 1 reinforces the matrix resin composition (R) attached to the reinforcing fiber sheet (I) 11b and the coating means 12a for attaching the matrix resin composition to the reinforcing fiber sheet (I) 11b. Three sets of impregnation means 13 for impregnating the fiber sheet (I) 11b and the reinforcing fiber sheet (II) 11a, a driving roll 15, a feeding means 14 for feeding out the protective sheet, and a winding means for winding up the obtained prepreg 16 17.
The application means 12a includes a resin tank (not shown) for storing the resin composition, and a slit die (D ) for applying the matrix resin composition (R) supplied from the resin tank to the reinforcing fiber sheet (I) 11b. Prepare.
The impregnation means 13 includes a pair of impregnating rolls 13a and 13b that can be heated.
Claims (6)
上記塗布工程において、
強化繊維シート（Ｉ）を支持する第１の支持ガイド、スリットダイ（Ｄ）、および、強化繊維シート（Ｉ）を支持する第２の支持ガイドがこの順序で互いに平行に設置され、
強化繊維シート（Ｉ）の一方の面が、第１及び第２の支持ガイドによって支持され、
強化繊維シート（Ｉ）の他方の面にスリットダイ（Ｄ）のマトリクス樹脂吐出口を押し付けてマトリクス樹脂組成物（Ｒ）を塗布し、
強化繊維シート（Ｉ）の張力が３００Ｎ／ｍ以上２９００Ｎ／ｍ未満であり、
第１の支持ガイドと第２の支持ガイドのそれぞれの強化繊維シート（Ｉ）を支持する側の共通接線で構成される面を基準平面として該基準平面とスリットダイ（Ｄ）の吐出口の中心線との距離を押し込み深さｄとし、
第１の支持ガイドと該基準平面との接線とスリットダイ（Ｄ）の吐出口の中心線を該基準平面の法線方向に該基準平面上に投影した線との距離をＬ１とし、
第２の支持ガイドと該基準平面との接線とスリットダイ（Ｄ）の吐出口の中心線を該基準平面の法線方向に該基準平面上に投影した線との距離をＬ２としたときに、
０≦ｄ／Ｌ１＋ｄ／Ｌ２≦０．１
を満足するプリプレグの製造方法。 An application step of discharging the matrix resin composition (R) from the slit die (D) and applying the matrix resin composition (R) to the unidirectional reinforcing fiber sheet (I) , and the matrix resin composition (D ) In the reinforcing fiber sheet (I)
In the application step,
The first support guide for supporting the reinforcing fiber sheet (I), the slit die (D), and the second support guide for supporting the reinforcing fiber sheet (I) are installed in parallel with each other in this order,
One surface of the reinforcing fiber sheet (I) is supported by the first and second support guides,
Applying the matrix resin composition (R) by pressing the matrix resin discharge port of the slit die (D) against the other surface of the reinforcing fiber sheet (I),
The tension of the reinforcing fiber sheet (I) is 300 N / m or more and less than 2900 N / m,
The reference plane and the center of the discharge port of the slit die (D) are defined with a plane formed by a common tangent on the side supporting the reinforcing fiber sheets (I) of the first support guide and the second support guide as a reference plane. The distance from the line is the indentation depth d,
The distance between the tangent line between the first support guide and the reference plane and the center line of the outlet of the slit die (D) projected onto the reference plane in the normal direction of the reference plane is L1,
When the distance between the tangent line between the second support guide and the reference plane and the center line of the outlet of the slit die (D) projected onto the reference plane in the normal direction of the reference plane is L2. ,
0 ≦ d / L1 + d / L2 ≦ 0.1
The manufacturing method of the prepreg which satisfy | fills.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012216409A JP6094792B2 (en) | 2012-09-28 | 2012-09-28 | Manufacturing method of prepreg |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012216409A JP6094792B2 (en) | 2012-09-28 | 2012-09-28 | Manufacturing method of prepreg |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2014069391A JP2014069391A (en) | 2014-04-21 |
| JP2014069391A5 true JP2014069391A5 (en) | 2015-08-20 |
| JP6094792B2 JP6094792B2 (en) | 2017-03-15 |
Family
ID=50745073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2012216409A Active JP6094792B2 (en) | 2012-09-28 | 2012-09-28 | Manufacturing method of prepreg |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6094792B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11806899B2 (en) | 2017-03-22 | 2023-11-07 | Toray Industries, Inc. | Method for producing prepreg and method for producing fiber-reinforced composite material |
| US11208535B2 (en) | 2017-03-22 | 2021-12-28 | Toray Industries, Inc. | Production method for prepreg, and production method for fiber-reinforced composite material |
| JP7119539B2 (en) * | 2018-04-25 | 2022-08-17 | 三菱ケミカル株式会社 | Manufacturing method of carbon fiber reinforced resin molding |
| US20220227024A1 (en) | 2019-05-23 | 2022-07-21 | Toray Industries, Inc. | Method for producing fiber-reinforced plastic substrate, and fiber-reinforced plastic substrate and integrated molding thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6183006A (en) * | 1984-10-01 | 1986-04-26 | Mitsubishi Rayon Co Ltd | Manufacture of prepreg sheet reinforced by fiber sheet-like substance oriented in one direction |
| JP2578631B2 (en) * | 1988-02-08 | 1997-02-05 | コニカ株式会社 | Coating device for magnetic recording media |
| JP3008814B2 (en) * | 1995-04-14 | 2000-02-14 | 松下電工株式会社 | Prepreg manufacturing method and apparatus |
| JPH11147061A (en) * | 1997-11-14 | 1999-06-02 | Toppan Printing Co Ltd | Coating equipment |
| JPH11199688A (en) * | 1998-01-07 | 1999-07-27 | Toray Ind Inc | Production of prepreg |
| JP4021667B2 (en) * | 2002-01-18 | 2007-12-12 | 東北リコー株式会社 | Coating device |
| CN103429658B (en) * | 2011-03-03 | 2016-01-06 | 三菱丽阳株式会社 | Matrix resin composition, prepreg and manufacture method thereof and fiber reinforced composite |
-
2012
- 2012-09-28 JP JP2012216409A patent/JP6094792B2/en active Active
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