JPH07177822A - Vegetation sheet od nonwoven fabric - Google Patents
Vegetation sheet od nonwoven fabricInfo
- Publication number
- JPH07177822A JPH07177822A JP5324112A JP32411293A JPH07177822A JP H07177822 A JPH07177822 A JP H07177822A JP 5324112 A JP5324112 A JP 5324112A JP 32411293 A JP32411293 A JP 32411293A JP H07177822 A JPH07177822 A JP H07177822A
- Authority
- JP
- Japan
- Prior art keywords
- dimensional
- random
- vegetation sheet
- fiber structure
- woven
- 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.)
- Pending
Links
Landscapes
- Cultivation Of Plants (AREA)
- Protection Of Plants (AREA)
- Biological Depolymerization Polymers (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は路肩、堤防等の法面やゴ
ルフ場等の造成地の緑化を促進させ、特に土砂流出防止
効果に優れた不織布植生シートに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a non-woven fabric vegetation sheet which promotes greening on slopes such as road shoulders, levees and the like, and landslides such as golf courses, and is particularly excellent in preventing sediment outflow.
【０００２】[0002]
【従来の技術および発明が解決しようとする課題】従来
から路肩、堤防等の法面やゴルフ場等の造成地の緑化を
目的とした植生シートの基材としては、メッシュネッ
ト、通常の不織布シート、寒冷紗等が用いられている
が、近年では、主として不織布シートを植生シートとし
て用いるのが主流である（例えば、特願昭６３−６２７
４７号、特願平２−５６９６０号、特願平２−８９５７
８号）。しかしながら、特に造成地斜面にこれらの植生
シートを用いた場合、芝生等の植物が根付く迄に雨等に
よる土砂の流出により、植生の目的が充分に達せないと
いう問題点があった。2. Description of the Related Art Conventionally, mesh nets and ordinary non-woven fabric sheets have been used as a base material for vegetation sheets for the purpose of greening slopes such as road shoulders, levees, etc. In recent years, mainly non-woven fabric sheets are mainly used as vegetation sheets (for example, Japanese Patent Application No. 63-627).
47, Japanese Patent Application No. 2-56960, Japanese Patent Application No. 2-8957
No. 8). However, particularly when these vegetation sheets are used on the slope of the terrain, there is a problem that the purpose of the vegetation cannot be fully achieved due to the outflow of sediment due to rain or the like before the plants such as lawns take root.
【０００３】さらに近年のエコロジーに対する認識の高
まり、あるいは環境美観上の観点から植生後における植
生シートの処理が問題となっているが、植物が根付いて
からの植生シートのみの除去は技術的に大変困難であ
り、早期解決を要請されている。Further, in recent years, there has been a problem in treating vegetation sheets after vegetation from the viewpoint of increasing awareness of ecology or environmental aesthetics. However, it is technically difficult to remove only the vegetation sheets after the rooting of the plants. Difficult and required early resolution.
【０００４】本発明は上記従来技術の問題点を解消する
ものであり、特に造成地斜面の植生を行なう場合であっ
ても、雨等による土砂の流出を防止できると同時に植物
の育成も充分に達成することができ、あわせてエコロジ
ーを阻害しない環境に優しい不織布植生シートを提供す
ることを目的とする。The present invention solves the above-mentioned problems of the prior art, and even when vegetation is performed on the slope of the constructed land, it is possible to prevent the outflow of sediment due to rain or the like and at the same time sufficiently grow the plants. It is an object of the present invention to provide an environmentally friendly non-woven vegetation sheet that can be achieved and also does not hinder ecology.
【０００５】[0005]
【課題を解決するための手段】上記課題を解決するため
に請求項１記載の発明は、天然繊維、化学繊維または合
成繊維の一種または複数種を結合剤によって結合してな
る、厚さ５〜２０mm、見かけ密度0.００５〜0.０２０g/
cm3 のランダム三次元立体繊維構造体で構成したことを
特徴とする不織布植生シートである。In order to solve the above-mentioned problems, the invention according to claim 1 has a thickness of 5 to 5 formed by binding one or more kinds of natural fibers, chemical fibers or synthetic fibers with a binder. 20mm, apparent density 0.005-0.020g /
A non-woven vegetation sheet characterized by comprising a random three-dimensional three-dimensional fiber structure of cm 3 .
【０００６】上記ランダム三次元立体繊維構造体とは、
繊維径１０μm 〜６０μm の繊維を三次元ランダム構造
に配列したウエブの繊維間を結合剤によって結合してな
るものである。尚かつ、その見かけ密度は0.００５〜0.
０２０g/cm3 の範囲、好ましくは０．００６〜０．０１
０g/cm3であり、厚さ６．０〜１４．０mmの適度な三次
元網目構造を有したものをいう。The above-mentioned random three-dimensional three-dimensional fiber structure is
A web is formed by arranging fibers having a fiber diameter of 10 μm to 60 μm in a three-dimensional random structure and binding the fibers with a binder. Moreover, the apparent density is 0.005 to 0.
Range of 020 g / cm 3 , preferably 0.006 to 0.01
It is 0 g / cm 3 and has an appropriate three-dimensional network structure with a thickness of 6.0 to 14.0 mm.
【０００７】また、ランダム三次元立体繊維構造体の厚
さが５mmより薄い場合、土砂の流出を止めるための立体
網目の容積が少なく効果がでにくいため好ましくない。
また、逆に２０mmを超えると植物の種子の発芽、根の成
長が阻害されるため好ましくない。If the thickness of the random three-dimensional three-dimensional fiber structure is thinner than 5 mm, the volume of the three-dimensional mesh for stopping the outflow of earth and sand is small and it is difficult to obtain the effect, which is not preferable.
On the other hand, if it exceeds 20 mm, germination of plant seeds and growth of roots are inhibited, which is not preferable.
【０００８】また上記課題を解決するために請求項２記
載の発明は、ランダム三次元立体繊維構造体をポリエス
テル繊維で構成するとともに合成ゴム系または合成樹脂
結合剤によって結合してなることを特徴とする。In order to solve the above-mentioned problems, the invention according to claim 2 is characterized in that the random three-dimensional three-dimensional fiber structure is composed of polyester fibers and is bonded by a synthetic rubber-based or synthetic resin binder. To do.
【０００９】また上記課題を解決するために請求項３記
載の発明は、ランダム三次元立体繊維構造体を綿、レー
ヨンまたは生分解性繊維の一種または複数種で構成する
とともに、生分解性樹脂結合剤によって結合してなるこ
とを特徴とする。In order to solve the above-mentioned problems, the invention according to claim 3 comprises a random three-dimensional three-dimensional fiber structure composed of one or more kinds of cotton, rayon or biodegradable fiber, and also has a biodegradable resin bond. It is characterized in that it is bound by an agent.
【００１０】また上記課題を解決するために請求項４記
載の発明は、結合剤がキトサン−微細セルロースからな
ることを特徴とする。In order to solve the above-mentioned problems, the invention according to claim 4 is characterized in that the binder comprises chitosan-fine cellulose.
【００１１】また上記課題を解決するために請求項５記
載の発明は、ランダム三次元立体繊維構造体の繊維配列
において縦方向（ｘ），横方向（ｙ），厚さ方向（ｚ）
としたときのその配列比が、ｘ：ｙ：ｚ＝１：（0.７〜
1.２）：（0.５〜1.０）であることを特徴とする。In order to solve the above-mentioned problems, the invention according to claim 5 is the longitudinal (x), lateral (y), and thickness (z) directions in the fiber arrangement of the random three-dimensional three-dimensional fiber structure.
And the arrangement ratio is x: y: z = 1: (0.7-
1.2): It is characterized by being (0.5 to 1.0).
【００１２】上記において、縦と横方向に関しては、差
がないことが望ましい。本発明はランダム三次元立体繊
維構造体が特に厚さ方向（ｚ）に適度に配列されている
ことが必要で、例えば空気流で繊維ウエブを作るとき、
繊維が縦方向（ｘ）に対してある角度を持って連続的に
つくられるのであるが、その角度は一般的に速度、風
速、風量と繊維の関係に依存するため、これらの各々の
条件を調整することにより可能となる。In the above, it is desirable that there is no difference in the vertical and horizontal directions. The present invention requires that the random three-dimensional three-dimensional fiber structure is appropriately arranged, particularly in the thickness direction (z). For example, when a fiber web is produced by air flow,
Fibers are made continuously with a certain angle to the machine direction (x), but the angle generally depends on the relationship between velocity, wind speed, air volume and fiber. It becomes possible by adjusting.
【００１３】不織布植生シートを法面に敷設した場合、
種子からの芽または根は不織布を通して成長するので、
いずれも不織布の網目構造が成育を妨げるのであるが、
不織布の見かけ密度、厚さ方向への繊維配列を上記の範
囲にすることにより、これらの障害を無くし、根付け、
発芽が終わるまで種子を固定させることが出来る。When a non-woven vegetation sheet is laid on the slope,
Since the sprouts or roots from the seed grow through the non-woven fabric,
In both cases, the mesh structure of the non-woven fabric hinders growth.
By setting the apparent density of the non-woven fabric and the fiber arrangement in the thickness direction within the above range, these obstacles are eliminated and rooted,
Seeds can be fixed until germination is complete.
【００１４】また上記課題を解決するために請求項６記
載の発明は、ランダム三次元立体繊維構造体が少なくと
も植物の種子を包含したことを特徴とする。In order to solve the above-mentioned problems, the invention according to claim 6 is characterized in that the random three-dimensional three-dimensional fiber structure includes at least plant seeds.
【００１５】なお、三次元立体繊維構造体は黒、緑色な
ど濃い色で構成すると遮光効果があり、苗木の根の保護
という観点からより好ましい態様として推奨される。When the three-dimensional three-dimensional fiber structure is constructed in a dark color such as black or green, it has a light-shielding effect and is recommended as a more preferable embodiment from the viewpoint of protecting the roots of seedlings.
【００１６】[0016]
【作用】本発明に従えば、不織布植生シートを造成地の
法面等に敷設することによって、風等により運ばれてき
た植物の種子が付着し、且つ取れ難くなり、植物の良好
な育成が図られる。また、不織布の持っている適度な可
とう性は、法面とよくなじみ、三次元立体繊維構造の持
つフィルタ作用により、雨水等から法面を保護するとと
もに土砂の流出を防止する。According to the present invention, by laying the non-woven vegetation sheet on the slope of the land, etc., the seeds of the plant carried by wind or the like will adhere and become difficult to remove, and good plant growth can be achieved. Planned. Moreover, the moderate flexibility of the non-woven fabric is well compatible with the slope, and the filter function of the three-dimensional three-dimensional fiber structure protects the slope from rainwater and prevents the outflow of sediment.
【００１７】また、生分解性を有する繊維および結合剤
を使用することで植生後における植生シートの処理問題
が解消される。特に結合剤として、キトサン−微細セル
ロースからなる生分解性樹脂を使用すれば、キトサンの
もつ育苗の促進効果も期待できる。The use of biodegradable fibers and binders also eliminates the problem of treating vegetation sheets after vegetation. In particular, if a biodegradable resin composed of chitosan-fine cellulose is used as a binder, the effect of promoting seedling growth of chitosan can be expected.
【００１８】また、不織布植生シートの、例えば表面ま
たは内部に、植物種子を有した肥料、農薬、培土等を包
含させ、応用範囲をひろげることも可能である。It is also possible to expand the range of application by incorporating a fertilizer having a plant seed, a pesticide, a soil, etc., on the surface or inside of the non-woven vegetation sheet.
【００１９】[0019]
【実施例】以下、本発明の実施例を詳細に説明する。な
お、本発明は下記実施例に限定して解釈されるものでは
ない。EXAMPLES Examples of the present invention will be described in detail below. The present invention should not be construed as being limited to the following examples.
【００２０】（実施例１）中空ポリエステル６ｄ×５１
mm６０％とポリエステル３ｄ×５１mm４０％をランドウ
エッバで紡出して得た目付４５g/m2のランダムウエブの
両面に、ポリアクリル酸エステルを主体とする結合剤を
各々４g/m2になるよう散布し、目付５３g/m2、厚さ８m
m、見かけ密度0.００６６g/cm3 の不織布植生シートを
得た。Example 1 Hollow polyester 6d × 51
mm 60% and polyester 3d × 51 mm 40% were spun on a land webber and sprinkled on both sides of a random web having a basis weight of 45 g / m 2 so that the binder mainly composed of polyacrylic acid ester was 4 g / m 2 respectively, Basis weight 53g / m 2 , thickness 8m
A non-woven plant sheet having m and an apparent density of 0.0066 g / cm 3 was obtained.
【００２１】（実施例２）レーヨン２０ｄ×５１mm５０
％とポリエステル６ｄ×５１mm５０％をランドウエッバ
で紡出して、目付４５g/m2のランダムウエブとし、その
両面にキトサン−微細セルロース水溶液をスプレーによ
り各々４g/m2になるよう適用固定させ、目付５３g/m2、
厚さ７mm、見かけ密度0.００７５g/cm3 の不織布植生シ
ートを得た。Example 2 Rayon 20d × 51 mm 50
% And polyester 6d × 51 mm 50% are spun by a land webber to make a random web with a basis weight of 45 g / m 2 , and a chitosan-fine cellulose aqueous solution is sprayed on both sides so as to be 4 g / m 2 each and fixed, and a basis weight of 53 g / m 2. m 2 ,
A non-woven vegetation sheet having a thickness of 7 mm and an apparent density of 0.0075 g / cm 3 was obtained.
【００２２】（比較例）実施例１と同じ中空ポリエステ
ル６ｄ×５１mm６０％と、ポリエステル３ｄ×５１mm４
０％をカード機で紡出したフリースをクロスに積層して
目付４５g/m2のクロスウエブとし、実施例１と同様に結
合剤を散布して不織布植生シートを得た。得られた不織
布植生シートは目付５３g/m2、厚さ６mm、見かけ密度0.
００８８g/cm3 であった。(Comparative Example) The same hollow polyester 6d × 51 mm 60% as in Example 1 and polyester 3d × 51 mm 4
A fleece of 0% spun by a card machine was laminated on a cloth to form a cross web having a basis weight of 45 g / m 2 , and the binder was sprinkled in the same manner as in Example 1 to obtain a non-woven plant sheet. The resulting non-woven vegetation sheet has a basis weight of 53 g / m 2 , a thickness of 6 mm and an apparent density of 0.
It was 0088 g / cm 3 .
【００２３】上記実施例１，２および比較例で得た不織
布植生シートを造成地の法面に各々敷設し、植物の種子
を各シート上に等量に散布して４ケ月後の植物の植生状
況、雨等による土砂の流出状況、および植生後の植生シ
ートの状況を目視により観察した結果を下記表１に示
す。The non-woven vegetation sheets obtained in Examples 1 and 2 and Comparative Example were laid on the slopes of the land, respectively, and plant seeds were sprayed on each sheet in an equal amount. Table 1 below shows the results of visual observation of the condition, the condition of sediment outflow due to rain, and the condition of the vegetation sheet after vegetation.
【００２４】[0024]
【表１】 [Table 1]
【００２５】上記表１から実施例１，２の不織布植生シ
ートは、比較例のものに比し、植物の育成に優れてお
り、しかも雨等による土砂の流出も防止することができ
るものであることがわかる。さらに、実施例２の不織布
植生シートは植物の育成後に、生分解作用によりシート
は消失し、造成地法面の外観を損なうことなく緑化を促
進できるものであることがわかる。From the above Table 1, the non-woven vegetation sheets of Examples 1 and 2 are superior in plant growth as compared with the comparative example, and can prevent the outflow of sediment due to rain or the like. I understand. Further, it can be seen that the nonwoven vegetation sheet of Example 2 disappears after the plant is grown due to the biodegradation effect and can promote greening without impairing the appearance of the slope surface of the constructed land.
【００２６】[0026]
【発明の効果】以上のように本発明の不織布植生シート
は、植物の育成を損なうことなしに土砂の流出を防止す
ることができ、しかもエコロジーを阻害することなし
に、特に造成地等の緑化を好適に行なうことができる。INDUSTRIAL APPLICABILITY As described above, the non-woven vegetation sheet of the present invention can prevent the outflow of sediment without impairing the growth of plants, and can prevent the ecology, and especially the greening of land for construction. Can be suitably performed.
Claims (6)
種または複数種を結合剤によって結合してなる、厚さ５
〜２０mm、見かけ密度0.００５〜0.０２０g/cm3 のラン
ダム三次元立体繊維構造体で構成したことを特徴とする
不織布植生シート。1. A thickness 5 formed by binding one or more types of natural fibers, chemical fibers or synthetic fibers with a binder.
A non-woven vegetation sheet characterized by comprising a random three-dimensional three-dimensional fiber structure having a surface density of -20 mm and an apparent density of 0.005-0.020 g / cm 3 .
ステル繊維で構成するとともに合成ゴム系または合成樹
脂結合剤によって結合してなる請求項１記載の不織布植
生シート。2. The non-woven vegetation sheet according to claim 1, wherein the random three-dimensional three-dimensional fiber structure is composed of polyester fibers and is bonded by a synthetic rubber-based or synthetic resin binder.
ーヨンまたは生分解性繊維の一種または複数種で構成す
るとともに生分解性樹脂結合剤によって結合してなる請
求項１記載の不織布植生シート。3. The non-woven vegetation sheet according to claim 1, wherein the random three-dimensional three-dimensional fiber structure is composed of one or more kinds of cotton, rayon or biodegradable fiber and is bonded with a biodegradable resin binder.
なる請求項１または３に記載の不織布植生シート。4. The non-woven vegetation sheet according to claim 1, wherein the binder comprises chitosan-fine cellulose.
列において縦方向（ｘ），横方向（ｙ），厚さ方向
（ｚ）としたときのその配列比が、ｘ：ｙ：ｚ＝１：
（0.７〜1.２）：（0.５〜1.０）である請求項１〜４記
載のいずれかに記載の不織布植生シート。5. A fiber array of a random three-dimensional three-dimensional fiber structure, wherein the array ratio in the longitudinal direction (x), the lateral direction (y), and the thickness direction (z) is x: y: z = 1. :
(0.7-1.2): (0.5-1.0) The nonwoven fabric vegetation sheet according to any one of claims 1 to 4.
とも植物の種子を包含した請求項１〜５のいずれかに記
載の不織布植生シート。6. The nonwoven vegetation sheet according to claim 1, wherein the random three-dimensional three-dimensional fiber structure includes at least plant seeds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5324112A JPH07177822A (en) | 1993-12-22 | 1993-12-22 | Vegetation sheet od nonwoven fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5324112A JPH07177822A (en) | 1993-12-22 | 1993-12-22 | Vegetation sheet od nonwoven fabric |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07177822A true JPH07177822A (en) | 1995-07-18 |
Family
ID=18162297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5324112A Pending JPH07177822A (en) | 1993-12-22 | 1993-12-22 | Vegetation sheet od nonwoven fabric |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07177822A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002095361A (en) * | 2000-09-20 | 2002-04-02 | Asahi Kasei Corp | Shading sheet |
| WO2006076057A3 (en) * | 2005-01-11 | 2009-04-16 | World Response Group Inc | Apparatus and methodologies for fertilization, moisture retention, weed control, and seed, root, and plant propagation |
| JP2013238082A (en) * | 2012-05-17 | 2013-11-28 | Maeda Kosen Co Ltd | Restraining type vegetation sheet with sucking-out preventive function, and embankment structure using the same |
| PL424567A1 (en) * | 2018-02-12 | 2019-08-26 | Politechnika Łódzka | Method for production of latex-cellulose agricultural material |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5381341A (en) * | 1976-12-26 | 1978-07-18 | Takemi Momo | Manufacture of cultured mat |
| JPH01235520A (en) * | 1988-03-16 | 1989-09-20 | Kanai Jiyuuyou Kogyo Kk | Sheet for holding plant nutrient component |
| JPH03240417A (en) * | 1990-02-16 | 1991-10-25 | Agency Of Ind Science & Technol | Nursery pot |
| JPH0413963U (en) * | 1990-05-28 | 1992-02-04 |
-
1993
- 1993-12-22 JP JP5324112A patent/JPH07177822A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5381341A (en) * | 1976-12-26 | 1978-07-18 | Takemi Momo | Manufacture of cultured mat |
| JPH01235520A (en) * | 1988-03-16 | 1989-09-20 | Kanai Jiyuuyou Kogyo Kk | Sheet for holding plant nutrient component |
| JPH03240417A (en) * | 1990-02-16 | 1991-10-25 | Agency Of Ind Science & Technol | Nursery pot |
| JPH0413963U (en) * | 1990-05-28 | 1992-02-04 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002095361A (en) * | 2000-09-20 | 2002-04-02 | Asahi Kasei Corp | Shading sheet |
| WO2006076057A3 (en) * | 2005-01-11 | 2009-04-16 | World Response Group Inc | Apparatus and methodologies for fertilization, moisture retention, weed control, and seed, root, and plant propagation |
| US8281516B2 (en) * | 2005-01-11 | 2012-10-09 | Phillip A. McCrory | Apparatus and methodologies for fertilization, moisture retention, weed control, and seed, root, and plant propagation |
| JP2013238082A (en) * | 2012-05-17 | 2013-11-28 | Maeda Kosen Co Ltd | Restraining type vegetation sheet with sucking-out preventive function, and embankment structure using the same |
| PL424567A1 (en) * | 2018-02-12 | 2019-08-26 | Politechnika Łódzka | Method for production of latex-cellulose agricultural material |
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