JPS6244889B2 - - Google Patents
Info
- Publication number
- JPS6244889B2 JPS6244889B2 JP55035575A JP3557580A JPS6244889B2 JP S6244889 B2 JPS6244889 B2 JP S6244889B2 JP 55035575 A JP55035575 A JP 55035575A JP 3557580 A JP3557580 A JP 3557580A JP S6244889 B2 JPS6244889 B2 JP S6244889B2
- Authority
- JP
- Japan
- Prior art keywords
- fibers
- water
- water absorption
- fiber
- nonwoven fabric
- 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.)
- Expired
Links
- 239000000835 fiber Substances 0.000 claims description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 39
- 239000004745 nonwoven fabric Substances 0.000 claims description 30
- 238000010521 absorption reaction Methods 0.000 claims description 27
- 241000736285 Sphagnum Species 0.000 claims description 18
- 239000002131 composite material Substances 0.000 claims description 17
- 238000002844 melting Methods 0.000 claims description 13
- 239000000853 adhesive Substances 0.000 claims description 12
- 230000008018 melting Effects 0.000 claims description 12
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 230000002745 absorbent Effects 0.000 description 8
- 239000002250 absorbent Substances 0.000 description 8
- -1 polypropylene Polymers 0.000 description 8
- 239000004743 Polypropylene Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 229920000642 polymer Polymers 0.000 description 6
- 229920001155 polypropylene Polymers 0.000 description 6
- 239000004698 Polyethylene Substances 0.000 description 4
- 229930014626 natural product Natural products 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- 239000002657 fibrous material Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229920002125 Sokalan® Polymers 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010413 gardening Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000004584 polyacrylic acid Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229920000247 superabsorbent polymer Polymers 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 229920002292 Nylon 6 Polymers 0.000 description 1
- 229920002302 Nylon 6,6 Polymers 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 238000009960 carding Methods 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 229920000233 poly(alkylene oxides) Polymers 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920005606 polypropylene copolymer Polymers 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004583 superabsorbent polymers (SAPs) Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Landscapes
- Cultivation Of Plants (AREA)
- Nonwoven Fabrics (AREA)
Description
【発明の詳細な説明】
本発明は人工水苔に関する。さらに詳しくは、
高吸水性能を有する不織布状物より成る人工水苔
に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to artificial sphagnum moss. For more details,
This invention relates to artificial sphagnum moss made of a nonwoven material with high water absorption performance.
最近の園芸農業の活発化と家庭園芸ブームを反
映して、水苔の需要は急速に延びているが、天然
に産するだけでは需要に追いつかず、価格高騰を
きたしており、供給量の増大が望まれている。そ
れを反映して、吸湿性を有する天然繊維、化学繊
維等の繊維原料を用いた人工水苔の開発もなされ
ているが、天然品に比して保水性に劣り、又、
虫、かびに対する抵抗性に問題があり、満足でき
るものは未だ現われていない。 Demand for sphagnum moss is rapidly increasing, reflecting the recent activation of horticultural agriculture and the boom in home gardening.However, simply producing it naturally cannot keep up with the demand, causing prices to soar, and the supply amount is increasing. is desired. In response to this, artificial sphagnum moss has been developed using fiber materials such as natural fibers and chemical fibers that have hygroscopic properties, but these have inferior water retention properties compared to natural products.
There are problems with resistance to insects and mold, and no satisfactory product has yet emerged.
一方、最近、高吸水性能を有するポリマーが粉
末状、繊維状で商品化されており、その保水能を
農業分野に応用する事が積極的になされようとし
ている。粉末状や繊維状のままでは取り扱いがむ
つかしく、又、このような高吸水性ポリマーは、
粉末または繊維状物の形態にしてそれらが密集し
た状態で吸水させると、凝集して本来の高い吸水
能が発揮できない。吸水性ポリマーを分散した状
態で使用することが望ましく、その為に不織布に
分散保持せしめることが試みられたが、接着剤を
使用して不織布に分散保持せしめたものは、接着
剤の吸水性ポリマー表面被覆による吸水能低下の
欠点があり、また加工も困難である。粉末状吸水
性ポリマーを接着剤または熱接着性繊維による接
着によつて不織布内に保持したものは、持ち運
び、散布、厚み調整等の園芸作業において屡々受
ける圧縮、動揺、打撃、或は揉みほぐし等の諸作
用によつて粉末状吸水性ポリマーは脱落し易い。 On the other hand, recently, polymers with high water absorption performance have been commercialized in the form of powders and fibers, and efforts are being made to actively apply their water retention ability to the agricultural field. It is difficult to handle in powdered or fibrous form, and superabsorbent polymers such as these are
If water is absorbed in the form of powder or fibrous materials in a dense state, they will aggregate and cannot exhibit their original high water absorption ability. It is desirable to use water-absorbing polymers in a dispersed state, and attempts have been made to have them dispersed and held in non-woven fabrics. It has the disadvantage of reduced water absorption capacity due to surface coating, and is also difficult to process. Powdered water-absorbing polymers held in non-woven fabric by adhesive or heat-adhesive fibers are resistant to compression, agitation, blows, or kneading, which are often encountered during horticultural work such as carrying, spreading, and adjusting thickness. Powdered water-absorbing polymers tend to fall off due to various effects.
本発明の目的は、高吸水性ポリマーの吸水性能
を充分に発揮させ、且つ取り扱い容易な人工水苔
を提供することにある。 An object of the present invention is to provide artificial sphagnum moss that fully exhibits the water absorption performance of a superabsorbent polymer and is easy to handle.
本発明は、融点差が20℃以上の高低両融点成分
から成る繊維長36〜125mmの熱接着性複合繊維20
％（重量）以上と、高吸水性能を有する繊維長25
〜125mmの繊維（以下高吸水性繊維と称する）20
〜80％（重量）を含有する不織布状物であつて熱
接着性複合繊維の熱接着により安定化されてお
り、且つその不織布状物の密度が0.08ｇ／以下
で、１mm以上の厚みを有する事を特徴とする人工
水苔である。 The present invention is a heat-adhesive composite fiber 20 having a fiber length of 36 to 125 mm and consisting of high and low melting point components with a melting point difference of 20°C or more.
% (weight) or more and a fiber length of 25 with high water absorption performance.
~125mm fiber (hereinafter referred to as super absorbent fiber)20
~80% (by weight) of a non-woven fabric, stabilized by thermal adhesion of thermoadhesive composite fibers, with a density of 0.08 g/or less and a thickness of 1 mm or more This is an artificial sphagnum moss that is characterized by:
本発明において用いる熱接着性複合繊維として
は、複合成分間に20℃以上の融点差があり、低融
点成分が繊維表面の少なくとも一部を形成して熱
接着性があるものであれば何でも用い得るが、望
ましくは低融点成分の繊維断面円周率（複合繊維
断面の全周長に対する特定成分の占める周長の百
分率）50〜100％となるよう並列型又は、鞘芯型
の構造であつて、複合成分の組み合わせとして
（ポリプロピレン／ポリエチレン）、（ポリプロピ
レン／エチレン−酢酸ビニル共重合体、またはそ
の鹸化物、またはこれらとポリエチレンの混合
物）、（ポリエステル／ポリプロピレン）、（ナイロ
ン６／ナイロン66）等のものが示される。 The heat-adhesive conjugate fiber used in the present invention may be anything that has a melting point difference of 20°C or more between the composite components, the low-melting point component forms at least a part of the fiber surface, and has heat-adhesive properties. However, it is preferable to have a parallel type or sheath-core type structure so that the fiber cross-sectional circumference of the low melting point component (the percentage of the circumference occupied by the specific component to the total circumference of the composite fiber cross section) is 50 to 100%. As a combination of composite components, (polypropylene/polyethylene), (polypropylene/ethylene-vinyl acetate copolymer or its saponified product, or a mixture of these and polyethylene), (polyester/polypropylene), (nylon 6/nylon 66) etc. are shown.
両複合成分間の融点差は20℃以上あれば、低融
点成分のみ溶融状態に加熱して熱接着を容易に行
うのに充分である。 If the melting point difference between the two composite components is 20° C. or more, it is sufficient to heat only the low melting point component to a molten state and easily perform thermal bonding.
水苔としての吸水量を多くするには、高吸水性
繊維を20％（重量）以上とするのが好ましく、ま
た熱接着複合繊維が20％（重量）以下までは水苔
としての使用上、不織布状物の強度が不充分とな
る。 In order to increase the amount of water absorbed by sphagnum moss, it is preferable to use superabsorbent fibers at 20% (by weight) or more, and if the amount of thermally bonded composite fibers is 20% (by weight) or less, when used as sphagnum moss, The strength of the nonwoven fabric becomes insufficient.
繊度としては、1.5デニール程度から30デニー
ル程度までの広い範囲から適宜選択出来る。 The fineness can be appropriately selected from a wide range from about 1.5 denier to about 30 denier.
高吸水性能を有する繊維としては、デンプンに
アクリル酸あるいはアクリロニトリルをグラフト
したもの、エピクロルヒドリン等による架橋型の
CMC（カルボキシ＊メチル＊セルロース）親水
性ポリアクレート（ポリアクリル酸又はポリアク
リル酸エステルを加水分解等の処理で親水性にし
たもの）、架橋型ポリアルキレンオキサイド、等
のポリマーを繊維状化したもので、少くとも、繊
維自重の数倍以上の水を吸水或は、保持する能力
を有するものが用いられる。 Fibers with high water absorption properties include those made by grafting acrylic acid or acrylonitrile onto starch, and those made by cross-linking with epichlorohydrin, etc.
Fibrous polymers such as CMC (carboxy*methyl*cellulose) hydrophilic polyacrylate (polyacrylic acid or polyacrylic acid ester made hydrophilic through treatment such as hydrolysis), crosslinked polyalkylene oxide, etc. Therefore, a material having the ability to absorb or retain at least several times the weight of the fiber itself is used.
熱接着性複合繊維と高吸水性繊維を含む不織布
状物の吸水及保水能力は不織布状物密度及び厚み
に大きな影響を受ける。本発明者は、高融点成分
としてポリプロピレン、低融点成分としてポリエ
チレンから成る熱接着性複合繊維（３D×51mm）
50％（重量）と、繊維自重の45倍の吸水能力を有
する高吸水性繊維（３D×38mm）50％（重量）を
フラツトカードに適し、熱処理して、密度と厚み
の異なる不織布状物をつくり、その吸水量を測定
して、不織布状物中の高吸水性繊維の繊維重量当
りの吸水倍率を求めた。それを、高吸水性繊維の
自由状態（不織布中でなく、自由に動き得る状
態）での吸水倍率（45倍）に対する比（吸収量比
と云う）で表わし、これを図に示す。 The water absorption and water retention ability of a nonwoven fabric containing heat-adhesive composite fibers and superabsorbent fibers is greatly influenced by the density and thickness of the nonwoven fabric. The present inventor has developed a thermoadhesive composite fiber ( 3D x 51mm) consisting of polypropylene as a high melting point component and polyethylene as a low melting point component.
50% (weight) of super absorbent fiber ( 3D x 38mm), which has a water absorption capacity of 45 times the fiber's own weight, is suitable for flat cards and heat treated to produce non-woven fabrics with different densities and thicknesses. The amount of water absorbed was measured, and the water absorption capacity per fiber weight of the super absorbent fibers in the nonwoven fabric was determined. This is expressed as a ratio (referred to as the absorption ratio) to the water absorption capacity (45 times) of the superabsorbent fiber in its free state (not in a nonwoven fabric, but in a state where it can move freely), and this is shown in the figure.
吸水量及び吸水倍率は、次のようにして測定し
た。500ｇの水に、高吸水性繊維の場合は１ｇを
単繊維を分離した状態に分散させ、不織布状物の
場合は５cm×５cmの不織布状物試験片を浸漬し、
５分後300メツシユの金網で過し、５分間放置
後、その重量を測定し吸水前試料重量に対する吸
水後重量の倍率を求め、５回の平均値を以つて吸
水倍率とした。 The water absorption amount and water absorption capacity were measured as follows. In the case of super absorbent fibers, 1 g of single fibers are dispersed in 500 g of water, and in the case of non-woven fabrics, a 5 cm x 5 cm non-woven fabric test piece is immersed.
After 5 minutes, it was passed through a 300-mesh wire mesh, and after being left for 5 minutes, its weight was measured, and the ratio of the weight after water absorption to the sample weight before water absorption was determined, and the average value of 5 times was taken as the water absorption capacity.
図より吸水量比は、不織布密度0.06附近で1.00
を超え最大となる。この理由は不織布を構成する
高吸水性繊維が、その能力一杯もしくは、それに
近い処迄吸水し、且、不織布組織の空隙にも水を
保持する為と考えられる。 From the figure, the water absorption ratio is 1.00 when the nonwoven fabric density is around 0.06.
exceeds the maximum. The reason for this is thought to be that the superabsorbent fibers constituting the nonwoven fabric absorb water at or near their full capacity, and also retain water in the voids of the nonwoven fabric.
不織布状物密度が0.08ｇ／c.c.以上で吸水能力が
急激に低下する理由は、不織布状物密度の高い処
では、高吸水性繊維が吸水して膨潤する際、繊維
密集度が高い為膨潤がさまたげられる結果、充分
な吸水能を発揮出来ない為と考えられる。 The reason why the water absorption capacity decreases rapidly when the density of the nonwoven material is 0.08 g/cc or more is that when the density of the nonwoven material is high, when the superabsorbent fibers absorb water and swell, the swelling is difficult due to the high fiber density. This is thought to be due to the fact that sufficient water absorption capacity cannot be exhibited as a result of being blocked.
一方不織布状物密度0.06をピークとして、それ
以下では、平行もしくは低下する理由は、不織布
状物の空隙が大きすぎて、不織布組織の空隙での
水の保持性が悪くなるためと考えられる。 On the other hand, the reason why the nonwoven fabric density peaks at 0.06 and becomes flat or decreases below that level is thought to be that the voids in the nonwoven fabric are too large and water retention in the voids of the nonwoven fabric becomes poor.
又不織布状物の厚みが厚い程、水の保持性が良
好となり、厚みが１mm以上のとき、吸水量比は
1.00以上となり水苔として好ましい。 In addition, the thicker the non-woven fabric, the better the water retention, and when the thickness is 1 mm or more, the water absorption ratio is
It is 1.00 or more, which is preferable as sphagnum moss.
不織布状物の厚みが５mm以上では、厚みの大小
によらず略同程度の吸水能力を示す。取り扱い上
厚みは10mm以下が適当である。本発明において不
織布の厚みとは、常識的に解釈されるものであ
り、不織布状物の断面が扁平でないもの、例えば
円または正方形、またはこれらに近いものについ
ては、縦または横の径の何れか小さい方または同
じものを指す。 When the thickness of the nonwoven fabric is 5 mm or more, the water absorption capacity is approximately the same regardless of the thickness. For handling purposes, a thickness of 10 mm or less is appropriate. In the present invention, the thickness of a nonwoven fabric is interpreted as common sense, and for nonwoven fabrics whose cross section is not flat, such as a circle or square, or something close to these, it refers to either the vertical or horizontal diameter. Refers to the smaller one or the same thing.
人工水苔を得る為の不織布状物の製造方法とし
ては、高吸水性繊維及び熱接着性複合繊維を含む
繊維混合物をカード法や乾式パルプ法等一般のウ
エツブ形成法によつてウエツブを構成し、加熱し
て熱接着複合繊維の熱接着によつて構造を安定化
する方を用いる事が出来る。またスライバー状に
して加熱管中を通過させて棒状成型物として得る
方法も用いることが出来る。 As a method for producing a non-woven fabric to obtain artificial sphagnum moss, a fiber mixture containing highly absorbent fibers and heat-adhesive conjugate fibers is formed into a web by a general web forming method such as a carding method or a dry pulping method. , it is possible to use a method in which the structure is stabilized by thermal bonding of thermally bonded composite fibers by heating. It is also possible to use a method in which the material is made into a sliver and passed through a heating tube to obtain a rod-shaped molded product.
このようにして得られた不織布状物は、人工水
苔として用いる為には３〜10mm程度の巾に適宜ス
リツトとし、長さも30〜100mmに適宜切所したも
のが取り扱い上好ましい。又天然品に類似させる
目的で、スリツト前もしくはスリツト後に不織布
状物表面を起毛して毛羽立たせる事も出来る。保
水量の調整は使用する吸水性繊維の吸水能力と混
合量から適宜行うことが出来る。 In order to use the nonwoven fabric thus obtained as artificial sphagnum moss, it is preferable to slit it to a width of about 3 to 10 mm and cut it to a length of 30 to 100 mm. Furthermore, in order to make it resemble a natural product, the surface of the nonwoven fabric can be raised to make it fluffy before or after slitting. The amount of water retained can be adjusted as appropriate based on the water absorption capacity of the water absorbent fibers used and the amount of water to be mixed.
人工水苔となる不織布状物は、熱接着性複合繊
維と吸水性繊維の他に第三の繊維素材を混合使用
に構成しても何等差し支えない。 The non-woven material that becomes the artificial sphagnum moss may be composed of a mixture of heat-adhesive composite fibers, water-absorbing fibers, and a third fiber material.
更に、水苔としての価値を高め、或は好ましい
機能を加えるために不織布化の工程中に於て肥料
や活性炭或は種子類等を添加し、熱接着性複合繊
維の熱接着によつて水苔中に保持させる事も出来
る。 Furthermore, in order to increase the value of sphagnum moss or add desirable functions, fertilizers, activated carbon, seeds, etc. are added during the process of making it into a non-woven fabric, and water is removed by thermal bonding of the heat-adhesive composite fibers. It can also be kept in moss.
本発明の人工水苔は、吸水性ポリマーを一定長
範囲の長さを持つ繊維の形で利用し、かつ耐水性
の熱接着性複合繊維の熱接着点によつて安定化さ
れた不織布状物中に交絡させているために、園芸
作業中に受ける種々な作用によつても脱落するこ
とがない。また用途に応じて保水性を高くも低く
も調整して供給することは容易であり、かつ、そ
の性能を維持することができる。更に天然品より
耐久性に富み繰返し使用することが出来る。 The artificial sphagnum moss of the present invention is a nonwoven fabric that utilizes a water-absorbing polymer in the form of fibers with a certain length range and is stabilized by thermal bonding points of water-resistant thermally adhesive composite fibers. Because they are intertwined inside, they will not fall off even when subjected to various effects during gardening work. In addition, it is easy to adjust and supply the water retaining property to either high or low depending on the application, and the performance can be maintained. Furthermore, it is more durable than natural products and can be used repeatedly.
実施例
ポリプロピレン（融点165℃）とポリエチレン
（融点130℃）とを夫々両複合成分とする並列型の
熱接着性複合繊維（３D×51mm）40％、高吸水性
繊維（エクスラン−WAF3D×38mm）40％、及び
ポリプロピレン繊維（３D×51mm）20％から成る
ウエツブを乾熱処理して密度0.06ｇ／c.c.、厚み３
mm、目付180ｇ／m2の不織布状物を造つた。この
不織布状物を巾６mmにスリツトし、長さ８cmに切
断して人工水苔を得た。この人工水苔の吸水倍率
は、32倍であつた。一方天然の水苔の吸水倍率
は、31倍で本実施例では天然品と同等の吸水倍率
を示した。Example: 40% parallel heat-adhesive composite fiber ( 3D x 51mm) containing polypropylene (melting point 165°C) and polyethylene (melting point 130°C) as composite components, super absorbent fiber (Exlan-WAF3 D x A web consisting of 40% polypropylene fibers (38mm) and 20% polypropylene fibers ( 3D
A non-woven fabric material with a fabric weight of 180 g/m 2 was produced. This nonwoven fabric was slit to a width of 6 mm and cut to a length of 8 cm to obtain artificial sphagnum moss. The water absorption rate of this artificial sphagnum moss was 32 times. On the other hand, the water absorption capacity of natural sphagnum moss was 31 times, which is equivalent to that of the natural product in this example.
図は高吸水性繊維を含有する不織布状物の密度
（ｇ／c.c.）と吸水量比の関係を厚み毎に示した図
である。
The figure shows the relationship between the density (g/cc) and water absorption ratio of a nonwoven fabric containing super absorbent fibers for each thickness.
Claims (1)
繊維長36〜125mmの熱接着性複合繊維20％（重
量）以上と、高吸水性能を有する繊維長25〜125
mmの繊維20〜80％（重量）とを含有する不織布状
物であつて熱接着性複合繊維の熱接着により安定
化されており、且つその不織布状物の密度が0.08
ｇ／c.c.以下で１mm以上の厚みを有する事を特徴と
する人工水苔。1 20% (weight) or more of thermal adhesive composite fibers with a fiber length of 36 to 125 mm consisting of high and low melting point components with a melting point difference of 20°C or more, and a fiber length of 25 to 125 mm with high water absorption performance.
It is a nonwoven fabric containing 20 to 80% (by weight) of fibers of mm, stabilized by thermal adhesion of thermoadhesive composite fibers, and has a density of 0.08 mm.
Artificial sphagnum moss characterized by being less than g/cc and having a thickness of 1 mm or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3557580A JPS56131318A (en) | 1980-03-19 | 1980-03-19 | Artificial sphagnum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3557580A JPS56131318A (en) | 1980-03-19 | 1980-03-19 | Artificial sphagnum |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56131318A JPS56131318A (en) | 1981-10-14 |
| JPS6244889B2 true JPS6244889B2 (en) | 1987-09-24 |
Family
ID=12445552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3557580A Granted JPS56131318A (en) | 1980-03-19 | 1980-03-19 | Artificial sphagnum |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56131318A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0240790U (en) * | 1988-09-07 | 1990-03-20 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61194300A (en) * | 1985-02-16 | 1986-08-28 | マルハ株式会社 | Water absorbable fiber composite |
| WO1988005256A1 (en) * | 1987-01-21 | 1988-07-28 | Toyo Boseki Kabushikikaisha | Support of culture medium for culturing plant |
| JPH01167849U (en) * | 1988-05-09 | 1989-11-27 |
-
1980
- 1980-03-19 JP JP3557580A patent/JPS56131318A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0240790U (en) * | 1988-09-07 | 1990-03-20 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56131318A (en) | 1981-10-14 |
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