JPS6110406A - Manufacture of fiber reinforced cement molded shape - Google Patents
Manufacture of fiber reinforced cement molded shapeInfo
- Publication number
- JPS6110406A JPS6110406A JP13004584A JP13004584A JPS6110406A JP S6110406 A JPS6110406 A JP S6110406A JP 13004584 A JP13004584 A JP 13004584A JP 13004584 A JP13004584 A JP 13004584A JP S6110406 A JPS6110406 A JP S6110406A
- Authority
- JP
- Japan
- Prior art keywords
- cement
- short fibers
- unhardened
- fiber
- reinforced cement
- 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.)
- Granted
Links
- 239000004568 cement Substances 0.000 title claims description 57
- 239000000835 fiber Substances 0.000 title claims description 39
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 239000011230 binding agent Substances 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 2
- 125000003118 aryl group Chemical group 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 239000011398 Portland cement Substances 0.000 description 2
- 150000001408 amides Chemical class 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 239000011400 blast furnace cement Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000008119 colloidal silica Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000002241 glass-ceramic Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000012784 inorganic fiber Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000001935 peptisation Methods 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001470 polyketone Polymers 0.000 description 1
- 229920001021 polysulfide Polymers 0.000 description 1
- 239000005077 polysulfide Substances 0.000 description 1
- 150000008117 polysulfides Polymers 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Producing Shaped Articles From Materials (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、例えば建築材料等として用いられる繊維強化
セメント成形体の製造方法に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a method for producing a fiber-reinforced cement molded body used, for example, as a building material.
（従来の技術）
従来、繊維強化セメント成形体は未硬化セメント中に短
繊維を混入し、混入された該短繊維を該未硬化セメント
の攪拌に工って該未硬化セメント中に分散させ、次で該
未硬化セメントを硬化することによって製造している。(Prior Art) Conventionally, a fiber-reinforced cement molded article is produced by mixing short fibers into unhardened cement, and dispersing the mixed short fibers into the unhardened cement by stirring the unhardened cement. It is manufactured by subsequently curing the uncured cement.
（発明が解決しようとする問題点）
従来の前記繊維強化セメント成形体の製造方法は、例え
ば特開昭５３−８０４２３号公報に開示の如くポリエチ
レンオキシド等のデフロキュレーション剤を用いても、
第１図示の如く短繊維ａが未硬化セメン）ｂ中に混入さ
れる前に該未硬化セメン）ｂの界面で不足方向に絡み合
ってかたまりケ形成してしまい、該未硬化セメントｂ中
に均一に分散せず、得られた繊維強化セメント成形体の
機械的強度にばらつきが生じるという不都合を有する。(Problems to be Solved by the Invention) In the conventional method for producing the fiber-reinforced cement molded article, even if a deflocculation agent such as polyethylene oxide is used as disclosed in JP-A No. 53-80423,
As shown in Figure 1, before the short fibers a are mixed into the unhardened cement (b), they become entangled in the direction of the unhardened cement (b) at the interface of the unhardened cement (b), forming clumps, and are uniformly distributed in the unhardened cement (b). This has the disadvantage that the mechanical strength of the obtained fiber-reinforced cement molded product varies.
（問題点を解決するための手段）
本発明は短繊維がセメント中に均一に分散し、機械的強
度に優れた繊維強化セメント成形体の製造方法を提供す
ることをその目的とするもので、未硬化セメント中に短
繊維な分散させ、その後該未硬化セメントを硬化するこ
とから成る繊維強化セメント成形体の製造方法に於て、
該短繊維を一定方向に配向してバインダーでゆるく結束
した状態にして核未硬化セメント中に混入し、混入され
た該短繊維な該未硬化セメントの攪拌によって該短繊維
の結束を解きながら該未硬化セメント中に分散させるこ
とを特徴とする、セメントとしては、ポルトランドセメ
ント、アルミナセメント、高炉セメント、シリカセメン
ト、フライアッシュセメント、シェツトセットセメント
等のあらゆるセメントが用いられる。(Means for Solving the Problems) An object of the present invention is to provide a method for producing a fiber-reinforced cement molded body in which short fibers are uniformly dispersed in cement and have excellent mechanical strength. In a method for producing a fiber-reinforced cement molded body, which comprises dispersing short fibers in unhardened cement and then hardening the unhardened cement,
The short fibers are oriented in a certain direction and loosely bound with a binder and mixed into the core unhardened cement, and the unhardened short fibers are loosened by stirring the mixed short fibers and the unhardened cement. As the cement, which is characterized by being dispersed in unhardened cement, any cement such as Portland cement, alumina cement, blast furnace cement, silica cement, fly ash cement, and shetset cement can be used.
また、セメントに分散させる短繊維としては、炭素繊維
、ガラス繊維、セラミック繊維等の無機繊維、芳香族ポ
リアミド、芳香族７１？ ＩＪエーテルアミド、芳香族
ポリサルファイドア建ド、芳香族ポリスルホンアミド、
芳香族ポリケトンアぐド、芳香族ポリアミンアミド等の
有機繊維、スチール繊維等の金Ｍ繊維等が用いられ、該
セメントに対して０．５〜１０容ｔ％程度の割合で配合
する。In addition, short fibers to be dispersed in cement include inorganic fibers such as carbon fibers, glass fibers, and ceramic fibers, aromatic polyamides, and aromatic 71? IJ etheramide, aromatic polysulfide amide, aromatic polysulfonamide,
Organic fibers such as aromatic polyketone agglomerate and aromatic polyamine amide, gold M fibers such as steel fibers, etc. are used, and are blended in a proportion of about 0.5 to 10% by volume to the cement.
かかる短繊維に一般に１〜５０デニールで繊維長５〜３
０ｍのものを用い、その数百乃至数千本をバインダーで
ゆるく結果する。Such short fibers generally have a denier of 1 to 50 and a fiber length of 5 to 3.
Use 0m long ones and loosely bind several hundred to several thousand of them with a binder.
バインダーとしては、結束する短繊維の禎類に応じ、エ
ポキシ系、フェノール系等の硬化性樹脂、コロイダルシ
リカ等の無機系、或いにこれらの複合系等を適宜に用い
る。As the binder, a curable resin such as an epoxy type or a phenol type, an inorganic type such as colloidal silica, a composite type thereof, or the like is appropriately used depending on the properties of the short fibers to be bound.
一！たかかるバインダーによる短繊維の結束の程ｆｆｌ
、結束される短繊維並びにバインダーの種類に応じ、結
束された短繊維？未硬化セメント内に混入してこれをオ
ニムミキサー等で攪拌した場合に容易に結束が解かれる
種層に結束する。one! The degree of bundling of short fibers with a heavy binderffl
, depending on the short fibers to be bound and the type of binder, the short fibers that are bound? When mixed into unhardened cement and stirred with an onim mixer, it binds into a seed layer that is easily untied.
この場合、短繊維とバインダーの容鍍比を５＝５〜９：
１程度とするのが一般である。In this case, the volume ratio of short fibers and binder is 5=5 to 9:
Generally, it is about 1.
（実施例）
以下添付図面に従って本発明の繊維強セメント成形体の
製造方法の一実施例に付＠説明する。(Example) An example of the method for manufacturing a fiber-reinforced cement molded article of the present invention will be described below with reference to the accompanying drawings.
筐ず、第１図示の如く炭素繊維の短繊維１を一足方向に
配向してエポキシ系樹脂のバインダー２でゆるく結束し
た状態にしてポルトランドセメントから成る未硬化セメ
ント３に投じる。この時、各短繊維１は一定方向に配向
されてバインダー２でゆるく結束されたままなので未硬
化セメント３の界面に各短繊維１の絡み合いによるかた
まりが生じない。As shown in the first figure, carbon fiber short fibers 1 are oriented in one direction, loosely bound with an epoxy resin binder 2, and thrown into uncured cement 3 made of Portland cement. At this time, the short fibers 1 are oriented in a certain direction and remain loosely bound by the binder 2, so that no lumps are formed at the interface of the uncured cement 3 due to the entanglement of the short fibers 1.
次で、図示しないオニムミキサーによる未硬化セメント
３の攪拌な開始する。この時、ｔｔＩ３図示の如く、短
繊維１はバインダー２による結束を除々に解かれ、しか
しながら一定方向への配向けほぼ保ったままの状態で未
硬化セメント３の深部へと分散される。Next, stirring of the unhardened cement 3 using an onim mixer (not shown) is started. At this time, as shown in ttI3, the short fibers 1 are gradually unbound by the binder 2, but are dispersed deep into the uncured cement 3 while maintaining their orientation in a certain direction.
かかる未硬化セメント３の攪拌を続けると、第４図示の
如く短繊維１は略完全に結束を解かれ互いに絡み合って
かたまりを作ることなく未硬化セメント３中に極めて均
一に分散され、最後にかく短繊維１を分散された未硬化
セメント３を硬化させて繊維強化セメント成形体を得る
。When the unhardened cement 3 is continuously stirred, the short fibers 1 are almost completely untied and dispersed extremely uniformly in the unhardened cement 3 without intertwining with each other to form a lump, as shown in FIG. The uncured cement 3 in which the short fibers 1 are dispersed is cured to obtain a fiber-reinforced cement molded body.
（発明の効果）
このように、本発明の繊維強化セメント成形体の製造方
法によれば、短繊維な一定方向に配向してバインダーで
ゆるく結束した状態にして未硬化セメント中に混入し、
混入された該短繊維な未硬化セメントの攪拌によって該
短繊維の結束な解きながら該未硬化セメント中に分散き
せるので、該短繊維な該未硬化セメント中に極めて容易
に均一に分散でき、機械的強度に優れた繊維強化セメン
ト成形体が得られる効果を有する。(Effects of the Invention) As described above, according to the method for producing a fiber-reinforced cement molded body of the present invention, short fibers are oriented in a certain direction and loosely bound with a binder and mixed into unhardened cement,
By stirring the short fibers mixed in the unhardened cement, the short fibers are dispersed in the unhardened cement while loosening their bonds, so that the short fibers can be dispersed very easily and uniformly in the unhardened cement. This has the effect of producing a fiber-reinforced cement molded product with excellent mechanical strength.
第１図は従来の繊維強化セメント成形体の製造方法に於
ける未硬化セメント中への短繊維投入時の状態な示す裁
断面図、第２図乃至第４図は本発明の繊維強化セメント
成形体の製造方法に於ける未硬化セメント中への短繊維
の分散状態を示す裁断面図である。
■・・・短繊維 ２・・・バインダー３・・・
未硬化セメントFig. 1 is a cross-sectional view showing the state when short fibers are introduced into uncured cement in the conventional manufacturing method of fiber-reinforced cement molded bodies, and Figs. 2 to 4 show the fiber-reinforced cement molding of the present invention. FIG. 3 is a cross-sectional view showing the state of dispersion of short fibers in uncured cement in the method for manufacturing the body. ■...Short fiber 2...Binder 3...
uncured cement
Claims (1)
セメントを硬化することから成る繊維強化セメント成形
体の製造方法に於て、該短繊維を一定方向に配向してバ
インダーでゆるく結束した状態にして該未硬化セメント
中に混入し、混入された該短繊維を該未硬化セメントの
攪拌によって該短繊維の結束を解きながら該未硬化セメ
ント中に分散させることを特徴とする繊維強化セメント
成形体の製造方法。In a method for producing a fiber-reinforced cement molded body, which comprises dispersing short fibers in unhardened cement and then hardening the unhardened cement, the short fibers are oriented in a certain direction and loosely bound with a binder. Fiber-reinforced cement molding characterized in that the short fibers are mixed into the unhardened cement and the short fibers are dispersed in the unhardened cement while untying the short fibers by stirring the unhardened cement. How the body is manufactured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13004584A JPS6110406A (en) | 1984-06-26 | 1984-06-26 | Manufacture of fiber reinforced cement molded shape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13004584A JPS6110406A (en) | 1984-06-26 | 1984-06-26 | Manufacture of fiber reinforced cement molded shape |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6110406A true JPS6110406A (en) | 1986-01-17 |
| JPH0251363B2 JPH0251363B2 (en) | 1990-11-07 |
Family
ID=15024752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13004584A Granted JPS6110406A (en) | 1984-06-26 | 1984-06-26 | Manufacture of fiber reinforced cement molded shape |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6110406A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62235237A (en) * | 1986-01-31 | 1987-10-15 | モンテフイブレ・ソチエタ・ペル・アツイオニ | Acrylic fiber showing improved dispersibility in viscous organic or inorganic matrix |
| JP2008190078A (en) * | 2007-02-05 | 2008-08-21 | Asahi Kasei Fibers Corp | Reinforcing fiber |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5394515A (en) * | 1977-01-31 | 1978-08-18 | Kubota Ltd | Method of producing glass fiber reinforced cement plate |
| JPS5427028A (en) * | 1977-07-26 | 1979-03-01 | Kanebo Ltd | Alkali-resistant glass fibers for sheet formation |
| JPS58124608A (en) * | 1982-01-19 | 1983-07-25 | 株式会社クラレ | Method for manufacturing molded products made of fiber-reinforced hydraulic material |
| JPS5918152A (en) * | 1982-07-19 | 1984-01-30 | ユニチカ株式会社 | Cement reinforcing strand |
-
1984
- 1984-06-26 JP JP13004584A patent/JPS6110406A/en active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5394515A (en) * | 1977-01-31 | 1978-08-18 | Kubota Ltd | Method of producing glass fiber reinforced cement plate |
| JPS5427028A (en) * | 1977-07-26 | 1979-03-01 | Kanebo Ltd | Alkali-resistant glass fibers for sheet formation |
| JPS58124608A (en) * | 1982-01-19 | 1983-07-25 | 株式会社クラレ | Method for manufacturing molded products made of fiber-reinforced hydraulic material |
| JPS5918152A (en) * | 1982-07-19 | 1984-01-30 | ユニチカ株式会社 | Cement reinforcing strand |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62235237A (en) * | 1986-01-31 | 1987-10-15 | モンテフイブレ・ソチエタ・ペル・アツイオニ | Acrylic fiber showing improved dispersibility in viscous organic or inorganic matrix |
| JP2008190078A (en) * | 2007-02-05 | 2008-08-21 | Asahi Kasei Fibers Corp | Reinforcing fiber |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0251363B2 (en) | 1990-11-07 |
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