JP3209590B2 - Water disintegrable nonwoven laminate - Google Patents
Water disintegrable nonwoven laminateInfo
- Publication number
- JP3209590B2 JP3209590B2 JP30489792A JP30489792A JP3209590B2 JP 3209590 B2 JP3209590 B2 JP 3209590B2 JP 30489792 A JP30489792 A JP 30489792A JP 30489792 A JP30489792 A JP 30489792A JP 3209590 B2 JP3209590 B2 JP 3209590B2
- Authority
- JP
- Japan
- Prior art keywords
- water
- polyvinyl alcohol
- fiber sheet
- disintegrable nonwoven
- disintegrable
- 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 - Lifetime
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 14
- 239000000835 fiber Substances 0.000 claims description 23
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 20
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 20
- 239000004745 nonwoven fabric Substances 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 10
- 230000001747 exhibiting Effects 0.000 claims description 9
- 229920000728 polyester Polymers 0.000 claims description 9
- 150000003839 salts Chemical class 0.000 claims description 9
- 239000011780 sodium chloride Substances 0.000 claims description 9
- 238000005185 salting out Methods 0.000 claims description 8
- 229920000098 polyolefin Polymers 0.000 claims description 7
- 229920000247 Superabsorbent polymer Polymers 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- IMROMDMJAWUWLK-UHFFFAOYSA-N ethenol Chemical group OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 claims 1
- 239000012530 fluid Substances 0.000 claims 1
- 238000010030 laminating Methods 0.000 claims 1
- 239000002759 woven fabric Substances 0.000 claims 1
- 239000000047 product Substances 0.000 description 14
- 235000002639 sodium chloride Nutrition 0.000 description 8
- 238000004090 dissolution Methods 0.000 description 5
- 239000002002 slurry Substances 0.000 description 5
- 239000004698 Polyethylene (PE) Substances 0.000 description 4
- 229920002472 Starch Polymers 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- PMZURENOXWZQFD-UHFFFAOYSA-L na2so4 Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 4
- -1 polyethylene Polymers 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- 229910052938 sodium sulfate Inorganic materials 0.000 description 4
- 235000011152 sodium sulphate Nutrition 0.000 description 4
- 239000008107 starch Substances 0.000 description 4
- 235000019698 starch Nutrition 0.000 description 4
- 210000004369 Blood Anatomy 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 239000008280 blood Substances 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- TZCXTZWJZNENPQ-UHFFFAOYSA-L Barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 229960003563 Calcium Carbonate Drugs 0.000 description 2
- 210000002700 Urine Anatomy 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 239000010791 domestic waste Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L mgso4 Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- 238000007127 saponification reaction Methods 0.000 description 2
- DIZPMCHEQGEION-UHFFFAOYSA-H Aluminium sulfate Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N Ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229940092690 Barium Sulfate Drugs 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N Boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 210000003666 Nerve Fibers, Myelinated Anatomy 0.000 description 1
- 229920002544 Olefin fiber Polymers 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- QEEAPRPFLLJWCF-UHFFFAOYSA-K Potassium citrate Chemical compound [K+].[K+].[K+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O QEEAPRPFLLJWCF-UHFFFAOYSA-K 0.000 description 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L Potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 1
- 210000003491 Skin Anatomy 0.000 description 1
- 229940032147 Starch Drugs 0.000 description 1
- NWONKYPBYAMBJT-UHFFFAOYSA-L Zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 1
- 230000001070 adhesive Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 235000010338 boric acid Nutrition 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 230000002175 menstrual Effects 0.000 description 1
- 230000000813 microbial Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000004767 olefin fiber Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- 239000001508 potassium citrate Substances 0.000 description 1
- 229960002635 potassium citrate Drugs 0.000 description 1
- 229910052939 potassium sulfate Inorganic materials 0.000 description 1
- 235000011151 potassium sulphates Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 235000011008 sodium phosphates Nutrition 0.000 description 1
- 239000011791 tripotassium citrate Substances 0.000 description 1
- 235000015870 tripotassium citrate Nutrition 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- 235000014692 zinc oxide Nutrition 0.000 description 1
- 229960001763 zinc sulfate Drugs 0.000 description 1
- 229910000368 zinc sulfate Inorganic materials 0.000 description 1
Description
【０００１】[0001]
【産業上の利用分野】本発明は、水崩壊性不織布を用い
た積層物に関し、更に詳しくは、生理用品、紙おむつ等
の衛生用品の、使用時における限定された量の水または
水溶液との接触においては、溶解による前記素材の破壊
および裏面への浸透現象がなく、吸収能力以上の量の水
中においては、崩壊して放流可能な状態となる水崩壊性
不織布積層物に関する。更に、使用済み後の廃棄物処理
方法としては前記した下水中への放流処理の外に、地中
での埋没による微生物の分解法、または、天然の繊維と
殆ど同じ４０００〜５０００ｋｃａｌの低い燃焼カロリ
ーであることから、既存の焼却炉による焼却法が可能で
ある。BACKGROUND OF THE INVENTION The present invention relates to a water-disintegrable nonwoven fabric .
For the laminated product, more specifically, sanitary products such as sanitary products, disposable diapers, in contact with a limited amount of water or aqueous solution at the time of use, there is no phenomenon of destruction of the material due to dissolution and penetration into the back surface. The present invention relates to a water-disintegrable nonwoven fabric laminate that disintegrates and can be discharged in water having an absorption capacity or more. Furthermore, in addition to the above-mentioned sewage discharge treatment, the waste disposal method after use is a method of decomposing microorganisms by burial in the ground, or a low burning calorie of 4000 to 5000 kcal which is almost the same as natural fiber. Therefore, an incineration method using an existing incinerator is possible.
【０００２】[0002]
【従来の技術】従来、使用時の限定された量の水との接
触では、素材の溶解による製品の構造破壊を生ずること
なく、商品としての機能を有し、吸収能力以上の量の水
中においては崩壊して放流可能となり、更に量的に多い
成分の微生物による生分解も可能となるポリマー・シス
テムは存在しなかった。従って、生理用品，紙おむつ等
の衛生用品の基本となる共通の構造は、 （１）表面の保護と皮膚接触面の乾燥状態維持のための
ポリエチレン製ネット。 （２）水分または血液等の吸収のための吸収層。 （３）衣服への浸透を防止するためのポリエチレン製フ
ィルム。 の３層からなり、特にポリエチレン製ネット，フィルム
は崩壊しないので、前記衛生用品全体が排泄物を吸収し
た非常に不潔な状態で、一般の家庭ゴミと共に運搬，処
理されている状態で、特に運搬時、包装袋の破裂による
排泄物の飛散は、作業員に対する衛生上の問題ともな
り、社会的関心をひき始めた。2. Description of the Related Art Conventionally, in contact with a limited amount of water at the time of use, the product has a function as a product without causing structural destruction of the product due to dissolution of the material. There was no polymer system that could be disintegrated and released, and also biodegraded by more microbial components. Therefore, the common structure that is the basis of sanitary products such as sanitary products and disposable diapers is as follows: (1) A polyethylene net for protecting the surface and maintaining the dry state of the skin contact surface. (2) An absorption layer for absorbing water or blood. (3) A polyethylene film for preventing penetration into clothes. In particular, since the polyethylene net and film do not collapse, the entire sanitary article is transported and treated with general household waste in a very dirty state in which excrement has been absorbed, especially transported. At times, the scattering of excrement due to the rupture of the packaging bag became a hygiene problem for workers and began to attract public interest.
【０００３】[0003]
【発明が解決しようとする課題】前記したように、従
来、市販されている生理用品，紙おむつ等の衛生用品
は、それらの使用状況から要求される機能を満足させる
ために、既存の構造をとっているものであるが、この要
因は、前記したような条件を満足させるポリマー・シス
テムが見出されていなかったからである。従って本発明
は、前記した生理用品，紙おむつ等の衛生用品としての
機能を満足し、同時に廃棄処理の問題を解決し、最終的
には大部分の成分が微生物で生分解され、下水処理場
で、処理可能な水崩壊性不織布およびその積層物を提供
することを目的とする。As described above, conventionally available sanitary products such as sanitary products and disposable diapers have an existing structure in order to satisfy the functions required according to their usage. This is because no polymer system has been found that satisfies the conditions described above. Therefore, the present invention satisfies the above-mentioned functions as sanitary products such as sanitary products and disposable diapers, and at the same time, solves the problem of disposal treatment. It is an object of the present invention to provide a water-disintegrable nonwoven fabric which can be treated and a laminate thereof.
【０００４】[0004]
【課題を解決するための手段】本発明に従えば、ポリエ
ステルまたはポリオレフィン繊維シートにポリビニルア
ルコール・フィルムを加熱，接着させてなる水崩壊性不
織布と、パルプ繊維シートと、ポリエステルまたはポリ
オレフィン繊維シートにポリビニルアルコール・フィル
ムを加熱，接着させてなる水崩壊性不織布とを積層し、
周辺を加熱，接着して得られる水崩壊性不織布積層物が
提供される。パルプ繊維シートは、高吸水性ポリマー、
またはダイタランシーを示す材料とポリビニルアルコー
ルの塩析効果を示す塩類との混合物、を内蔵する。According to the present invention, a water-disintegratable nonwoven fabric obtained by heating and bonding a polyvinyl alcohol film to a polyester or polyolefin fiber sheet ; a pulp fiber sheet;
Polyvinyl alcohol fill on olefin fiber sheet
Laminated with a water-disintegrable nonwoven fabric made by heating and bonding
A water-disintegrable nonwoven laminate obtained by heating and bonding the periphery is provided. Pulp fiber sheet is made of super absorbent polymer,
Alternatively, a mixture of a material exhibiting dilatancy and salts exhibiting a salting-out effect of polyvinyl alcohol is incorporated.
【０００５】本発明の第一の態様に従えば、鹸化度８０
〜８８％、平均重合度５００〜１０００のポリビニルア
ルコールをＴ−ダイ方式で厚さ５０〜１００ミクロンの
フィルムを調製し、このフィルムをポリエステルまたは
ポリオレフィン繊維シートに加熱，接着させることによ
り、水崩壊性のポリエステルまたはポリオレフィン繊維
不織布を得、該水崩壊性不織布をポリビニルアルコール
・フィルム面内側にして重ね合わせ、その中間に、高吸
水性ポリマーを含有するパルプ繊維シートを挿入して、
周辺を加熱，加圧して接着させることにより、既存の生
理帯，紙おむつの機能を有し、しかも、使用後トイレッ
トの水中に投入してスラリー状に崩壊し、放流可能とな
る水崩壊性不織布積層物を得ることができる。本発明で
用いられる不織布は、水および水溶液を容易に透過し、
しかもポリエステルまたはポリオレフィン繊維の有する
撥水性のために、水および水溶液との接触においても乾
燥した状態が得られる。即ち、既存の紙おむつ使用の時
は、紙おむつ自体で大便を包み、それを一般の家庭ゴミ
と一緒に運搬，処理するという、極めて非衛生的な廃棄
処理方法がとられているが、本発明によって得られる水
崩壊性不織布積層物を使用する時は、小便は容易に透過
して紙おむつに吸収されるが、大便はライナーとして使
用した上記の薄い水崩壊性不織布上に残るので、包んで
トイレットの水中に投入すれば、全体がスラリー状とな
り、放流可能となる。According to a first aspect of the present invention, a saponification degree of 80
A film having a thickness of 50 to 100 microns is prepared from a polyvinyl alcohol having an average degree of polymerization of 500 to 1000% by a T-die method, and this film is heated and adhered to a polyester or polyolefin fiber sheet to obtain a water-disintegrating property. give polyester or polyolefin fiber nonwoven fabric, polyvinyl alcohol aqueous disintegration nonwoven fabric
・ Lay it on the inside of the film surface, and in the middle, high absorption
Insert a pulp fiber sheet containing an aqueous polymer,
By heating and pressurizing the surrounding area to adhere,
It has the functions of a bandage and a disposable diaper.
Into water and disintegrate into a slurry, allowing it to be released.
Water-disintegrable nonwoven laminate can be obtained. The nonwoven fabric used in the present invention easily permeates water and aqueous solution,
In addition, due to the water repellency of the polyester or polyolefin fibers, a dry state can be obtained even in contact with water and an aqueous solution. That is, when an existing disposable diaper is used, an extremely unsanitary disposal method is adopted in which the stool is wrapped in the disposable diaper itself and transported and treated together with general household waste. When using the resulting water-disintegrable nonwoven laminate, urine easily penetrates and is absorbed by the disposable diaper, but stool remains on the thin water-disintegrable nonwoven used as a liner, so wrap it and use it as a toilet. When put into water, the whole becomes a slurry and can be discharged.
【０００６】本発明で用いられるポリビニルアルコール
・フィルムは、接着剤と防漏性との効果を有するもので
ある。また、前記の高吸水性ポリマーを含有するパルプ
繊維シートの代わりに、レオロジーの一つの現象である
ダイタランシー、つまり”力”の加えられた状態ではス
ラリーまたはペーストを固く変化させる能力のある材料
と、ポリビニルアルコールの塩析効果を有する塩類との
混合物を含有するパルプ繊維シートを使用するときは、
水分、血液等がダイタランシーを示す材料、例えばデン
プンに吸収されて固いペースト上となってポリビニルア
ルコール・フィルムの溶解、破壊を防ぐと共に、さらに
ポリビニルアルコールの塩析効果を示す塩類、例えば芒
硝に吸収されてポリビニルアルコール・フィルムの溶解
の溶解を防止する機能が付加される。従って、生理帯、
紙おむつ等の湿潤状態での折り曲げ、摩擦等にも充分耐
えることができ、多量の水中に投入されるときは、ダイ
タランシーを示す材料および塩析効果を示す塩類の影響
が消失して水に崩壊し、放流可能となる。水分散体でダ
イタランシーを示す材料として使用可能なものは、デン
プン、炭酸カルシウム、硫酸バリウム、亜鉛華等が挙げ
られる。またポリビニルアルコールの塩析効果を有する
塩類として使用できるものは、硫酸ソーダ、硫酸アンモ
ン、硫酸カリウム、硫酸亜鉛、硫酸マグネシウム、硫酸
アルミニウム、食塩、塩化カリウム、燐酸ソーダ、クエ
ン酸カリウム、硼酸等が挙げられる。[0006] The polyvinyl alcohol film used in the present invention has an effect of an adhesive and leakproofness. A pulp containing the superabsorbent polymer ;
Instead of fibrous sheets , a mixture of ditalancy, a phenomenon of rheology, a material that has the ability to change the slurry or paste firmly under "force", and salts that have the effect of salting out polyvinyl alcohol When using a pulp fiber sheet containing
Moisture, blood, etc. are absorbed by a material exhibiting dilatancy, such as starch, forming a hard paste on the hard paste to prevent dissolution and destruction of the polyvinyl alcohol film, and furthermore, salts exhibiting a salting-out effect of polyvinyl alcohol, such as sodium sulfate, are absorbed. Thus, a function of preventing the dissolution of the polyvinyl alcohol film from being dissolved is added. Therefore, menstrual zone,
It can withstand bending, friction, etc. in the wet state of disposable diapers, etc., and when it is put into a large amount of water, the effects of materials that exhibit dilatancy and salts that exhibit a salting-out effect disappear and disintegrate into water. , Can be released. Examples of materials that can be used as a material exhibiting dilatancy in an aqueous dispersion include starch, calcium carbonate, barium sulfate, zinc white, and the like. Further, those which can be used as salts having a salting-out effect of polyvinyl alcohol include sodium sulfate, ammonium sulfate, potassium sulfate, zinc sulfate, magnesium sulfate, aluminum sulfate, salt, potassium chloride, sodium phosphate, potassium citrate, boric acid, and the like. Can be
【０００７】[0007]
【実施例】次に実施例で本発明を具体的に説明するが、
本発明をこれらの実施例に限定するものでないことはい
うまでもない。Next, the present invention will be described in detail with reference to Examples.
It goes without saying that the invention is not limited to these examples.
【０００８】製造例１ 鹸化度８８％、平均重合度５００のポリビニルアルコー
ル１００重量部、平均分子量４００のポリエチレングリ
コール２５重量部、炭酸カルシウム２０重量部の混合物
を加熱，熔融してＴ−ダイより押出して、厚さ５０ミク
ロンのポリビニルアルコール・フィルムを得た。ここに
得られたポリビニルアルコール・フィルムを目付５０ｇ
／ｍ2 のポリエステル繊維シートに加熱，接着させて水
崩壊性不織布を得た。 Production Example 1 A mixture of 100 parts by weight of polyvinyl alcohol having a saponification degree of 88% and an average degree of polymerization of 500, 25 parts by weight of polyethylene glycol having an average molecular weight of 400, and 20 parts by weight of calcium carbonate was melted and extruded from a T-die. Thus, a polyvinyl alcohol film having a thickness of 50 microns was obtained. The obtained polyvinyl alcohol film has a basis weight of 50 g.
/ M 2 of polyester fiber sheet was heated and adhered to obtain a water-disintegrable nonwoven fabric.
【０００９】製造例２ 製造例１ において用いたポリエステル繊維の代りに、ポ
リエチレン繊維のシートを使用した以外は製造例１と同
様にして、水崩壊性不織布を得た。 [0009] Instead of the polyester fibers used in Production Example 2 Production Example 1, except for using a sheet of polyethylene fiber as in Preparation Example 1 the
Thus, a water-disintegrable nonwoven fabric was obtained.
【００１０】実施例１ 製造例１ の水崩壊性不織布、高吸水性ポリマーを含有す
るパルプ繊維シートを図１のように重ねて、加熱，接着
させて切断する。このような操作により、生理帯，紙お
むつを調製した。このような積層構造を有する生理帯，
紙おむつは、既存の商品と同じような機能を有し、トイ
レットに投入するときは、繊維のスラリー状に崩壊して
放流可能の状態を示した。図１において、（１）の全面
に、多数のピンホールを開けた場合は、液体の透過、吸
収の速度が非常に大きい。血液，小便等の液体は（３）
の吸収層に吸収され、（４）のポリビニルアルコール・
フィルムの溶解を防ぎ、完全な防漏性を示した。[0010] Example 1 Production Example 1 of water-disintegratable nonwoven fabric, a pulp fiber sheet containing superabsorbent polymer overlapped as shown in FIG. 1, the heating is cut adhered. By these operations, a sanitary band and a disposable diaper were prepared. Physiological zone having such a laminated structure,
The disposable diaper had the same function as existing products, and when put into a toilet, it disintegrated into a slurry of fibers and showed a state in which it could be discharged. In FIG. 1, when many pinholes are formed on the entire surface of (1), the speed of liquid permeation and absorption is very high. For liquids such as blood and urine (3)
(4) polyvinyl alcohol
It prevented dissolution of the film and showed complete leakproofness.
【００１１】実施例２ 図１において、３の高吸水性ポリマーの代わりに、ダイ
タランシーを示す材料としてデンプン、ポリビニルアル
コールの塩析効果を示す塩類として無水芒硝を選び、パ
ルプ繊維１００重量部、デンプン５０重量部、無水芒硝
５０重量部からなるパルプ繊維シートを用いて不織布積
層物を調製した。このようにして調製された積層物は、
生理帯、紙おむつとして既存の商品と同じような機能を
有し、トイレットに投入するときは、繊維のスラリー状
に崩壊して放流可能の状態となった。特に、本実施例の
場合、使用時の湿潤状態における強度が大きく、折り曲
げ、摩擦等の外的要因に充分耐えることができる。 Example 2 In FIG. 1, instead of the superabsorbent polymer of 3, starch was selected as a material exhibiting dytalency and anhydrous sodium sulfate was selected as a salt exhibiting a salting-out effect of polyvinyl alcohol, and 100 parts by weight of pulp fiber and starch 50 were used. A nonwoven fabric laminate was prepared using a pulp fiber sheet consisting of 50 parts by weight of anhydrous sodium sulfate. The laminate thus prepared is
It has the same function as existing products as a sanitary band and a disposable diaper, and when put into a toilet, it collapses into a slurry of fibers and can be released. In particular, in the case of this embodiment, the strength in a wet state at the time of use is large, and it can sufficiently withstand external factors such as bending and friction.
【００１２】[0012]
【図１】本発明の積層物の断面図の概要を示す。FIG. 1 shows a schematic cross-sectional view of a laminate of the present invention.
１，５−ポリエステル又はポリオレフィン繊維シート ２，４−ポリビニルアルコール・フィルム ３−高吸水性ポリマー、またはダイタランシーを示す材
料とポリビニルアルコールの塩析効果を有する塩類との
混合物を含有するパルプ繊維シートPulp fiber sheet containing a mixture of 1,5-polyester or polyolefin fiber sheet 2,4 polyvinyl alcohol film 3 superabsorbent polymer or salt having salting-out effect of the material and the polyvinyl alcohol showing a Daitaranshi,
───────────────────────────────────────────────────── フロントページの続き 審査官 平井 裕彰 (56)参考文献 特開 平３−162956（ＪＰ，Ａ) 特開 平１−160550（ＪＰ，Ａ) 特開 昭59−125973（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) B32B 1/00 - 35/00 D04H 1/00 - 18/00 ──────────────────────────────────────────────────の Continuing from the front page Examiner Hiroaki Hirai (56) References JP-A-3-162295 (JP, A) JP-A 1-160550 (JP, A) JP-A-59-125973 (JP, A) ( 58) Field surveyed (Int.Cl. 7 , DB name) B32B 1/00-35/00 D04H 1/00-18/00
Claims (4)
シートにポリビニルアルコール・フィルムを加熱，接着Heat and adhere polyvinyl alcohol film to sheet
させてなる水崩壊性不織布、Water disintegrable nonwoven fabric, パルプ繊維シート、Pulp fiber sheet, 及びポリエステルまたはポリオレフィン繊維シートにポAnd polyester or polyolefin fiber sheet
リビニルアルコール・フィルムを加熱，接着させてなるHeated and bonded to vinyl alcohol film
水崩壊性不織布を積層し、周辺を加熱，接着して得られIt is obtained by laminating a water-disintegrable nonwoven fabric and heating and bonding the periphery.
る水崩壊性不織布積層物。Water-disintegrable nonwoven laminate.
ルを有することを特徴とする請求項１記載の水崩壊性不2. The water-disintegrable fluid according to claim 1, wherein
織布積層物。Woven fabric laminate.
有するパルプ繊維シートからなる請求項１又は２記載の
水崩壊性不織布積層物。 3. A superabsorbent polymer made of pulp fiber sheet containing 10 wt% claim 1 or 2 water disintegratable non-woven fabric laminate according.
アルコールの塩析効果を示す塩類との混合物を５０〜３
００重量％含有するパルプ繊維シートを用いる請求項１
又は２記載の水崩壊性不織布積層物。 4. A mixture of a material exhibiting dilatancy and a salt exhibiting a salting-out effect of polyvinyl alcohol is mixed with 50 to 3 times.
00 claims using pulp fiber sheet containing wt% 1
Or the water-disintegrable nonwoven fabric laminate according to 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30489792A JP3209590B2 (en) | 1992-10-16 | 1992-10-16 | Water disintegrable nonwoven laminate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30489792A JP3209590B2 (en) | 1992-10-16 | 1992-10-16 | Water disintegrable nonwoven laminate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06126901A JPH06126901A (en) | 1994-05-10 |
| JP3209590B2 true JP3209590B2 (en) | 2001-09-17 |
Family
ID=17938605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30489792A Expired - Lifetime JP3209590B2 (en) | 1992-10-16 | 1992-10-16 | Water disintegrable nonwoven laminate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3209590B2 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5981012A (en) * | 1997-11-25 | 1999-11-09 | Kimberly-Clark Worldwide, Inc. | Flushable release liner comprising a release coating on a water-sensitive film |
| US5985396A (en) * | 1997-11-25 | 1999-11-16 | Kimberly-Clark Worldwide, Inc. | Flushable release liners and methods of making the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6224550B2 (en) * | 1982-09-21 | 1987-05-28 | Kuraray Co | |
| JP2583084B2 (en) * | 1987-12-17 | 1997-02-19 | 日本合成化学工業株式会社 | Waste container |
| JP2976344B2 (en) * | 1989-08-29 | 1999-11-10 | 大日本印刷株式会社 | Substrate having resin coating layer |
-
1992
- 1992-10-16 JP JP30489792A patent/JP3209590B2/en not_active Expired - Lifetime
Cited By (6)
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| KR102194394B1 (en) * | 2018-09-07 | 2020-12-24 | (주)제일기초이엔씨 | Construction method for earth self-retaining wall using reinforcing member and SCW construction method |
| KR102194388B1 (en) * | 2018-09-07 | 2020-12-24 | (주)제일기초이엔씨 | Construction method for earth self-retaining wall using reinforcing member and Soil retaining plate construction method |
| KR102195504B1 (en) * | 2018-09-07 | 2020-12-29 | 주식회사 도건이엔텍 | Construction method for Eearth self-retaining wall using reinforcing member and CIP construction method |
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Also Published As
| Publication number | Publication date |
|---|---|
| JPH06126901A (en) | 1994-05-10 |
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