JPH03241079A - Water-permeable sheet unit and production thereof - Google Patents
Water-permeable sheet unit and production thereofInfo
- Publication number
- JPH03241079A JPH03241079A JP2034863A JP3486390A JPH03241079A JP H03241079 A JPH03241079 A JP H03241079A JP 2034863 A JP2034863 A JP 2034863A JP 3486390 A JP3486390 A JP 3486390A JP H03241079 A JPH03241079 A JP H03241079A
- Authority
- JP
- Japan
- Prior art keywords
- water
- permeable sheet
- sheet
- film
- permeable
- 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
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- 239000011347 resin Substances 0.000 claims abstract description 48
- 229920005989 resin Polymers 0.000 claims abstract description 48
- 239000002985 plastic film Substances 0.000 claims abstract description 31
- 229920006255 plastic film Polymers 0.000 claims abstract description 30
- 230000002745 absorbent Effects 0.000 claims abstract description 15
- 239000002250 absorbent Substances 0.000 claims abstract description 15
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 8
- 239000004088 foaming agent Substances 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 7
- 238000001035 drying Methods 0.000 abstract description 6
- 239000011248 coating agent Substances 0.000 abstract 2
- 238000000576 coating method Methods 0.000 abstract 2
- 238000005187 foaming Methods 0.000 description 9
- -1 polyethylene Polymers 0.000 description 7
- 229920006378 biaxially oriented polypropylene Polymers 0.000 description 4
- 239000011127 biaxially oriented polypropylene Substances 0.000 description 4
- 239000002775 capsule Substances 0.000 description 4
- 229920000728 polyester Polymers 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 3
- 239000001273 butane Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 3
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 2
- 239000004604 Blowing Agent Substances 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000002964 rayon Substances 0.000 description 2
- QLZJUIZVJLSNDD-UHFFFAOYSA-N 2-(2-methylidenebutanoyloxy)ethyl 2-methylidenebutanoate Chemical compound CCC(=C)C(=O)OCCOC(=O)C(=C)CC QLZJUIZVJLSNDD-UHFFFAOYSA-N 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 229940072049 amyl acetate Drugs 0.000 description 1
- PGMYKACGEOXYJE-UHFFFAOYSA-N anhydrous amyl acetate Natural products CCCCCOC(C)=O PGMYKACGEOXYJE-UHFFFAOYSA-N 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 229920006244 ethylene-ethyl acrylate Polymers 0.000 description 1
- 239000005042 ethylene-ethyl acrylate Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- MNWFXJYAOYHMED-UHFFFAOYSA-M heptanoate Chemical compound CCCCCCC([O-])=O MNWFXJYAOYHMED-UHFFFAOYSA-M 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000003094 microcapsule Substances 0.000 description 1
- ALIFPGGMJDWMJH-UHFFFAOYSA-N n-phenyldiazenylaniline Chemical compound C=1C=CC=CC=1NN=NC1=CC=CC=C1 ALIFPGGMJDWMJH-UHFFFAOYSA-N 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〔発明の目的〕
（産業上の利用分野）
本発明は、紙オムツおよび生理用ナプキン等の吸収性物
品に用いられる通水性シート体、および通水性シート体
の製造方法に関する。[Detailed Description of the Invention] [Object of the Invention] (Industrial Application Field) The present invention relates to a water-permeable sheet body used in absorbent articles such as disposable diapers and sanitary napkins, and a method for manufacturing the water-permeable sheet body. Regarding.
（従来の技術）
紙オムツおよび生理用ナプキン等の吸収性物品は、通水
性のトップシートと、非通水性のバックシートとを備え
ており、これらトップシートとバックシートとの間に、
紙、パルプ、吸水性ポリマ等からなる吸水層が設けられ
ている。また、一般に、トップシートとしては、主とし
てプラスチック性の不織布が用いられている（例えば、
特公昭６１−９０６５号公報、および特公昭６１−９４
０２号公報参照）。(Prior Art) Absorbent articles such as disposable diapers and sanitary napkins include a water-permeable top sheet and a water-impermeable back sheet.
A water-absorbing layer made of paper, pulp, water-absorbing polymer, etc. is provided. In addition, generally, a plastic nonwoven fabric is mainly used as the top sheet (for example,
Special Publication No. 61-9065, and Special Publication No. 61-94
(See Publication No. 02).
トップシートは液を透過させるものであり、また肌と直
接接触する部分である。このため、トップシートに用い
る不織布としては、柔軟性を有しかつ感触の良いものが
選定されている。The topsheet is permeable to liquids and is the part that comes into direct contact with the skin. For this reason, a nonwoven fabric that is flexible and has a good feel is selected as the nonwoven fabric used for the top sheet.
（発明が解決しようとする課題）
しかしながら、トップシートに用いられる不織布はプラ
スチック製の繊維からなっており、このため肌触りには
限界がある。また液はトップシートに浸込むように透過
していくため、トップシートの表面は常に濡れた状態と
なり、肌に対して湿った感じを与えている。(Problems to be Solved by the Invention) However, the nonwoven fabric used for the top sheet is made of plastic fibers, and therefore has a limited feel to the touch. Furthermore, since the liquid permeates through the top sheet, the surface of the top sheet is always wet, giving a damp feeling to the skin.
ところで、このような不織布に代わるものとして、ポリ
エチレン等のプラスチックフィルムに穴を開けたプラス
チックシートをトップシートとして用いたものがある（
例えば、特開昭５６−１６９８０１号公報）。しかしプ
ラスチックフィルムに穴を開けたものをトップシートと
して用いた場合、トップシート強度が小さくなってしま
うという問題がある。By the way, as an alternative to such non-woven fabric, there is a top sheet using a plastic sheet made of plastic film such as polyethylene with holes made (
For example, Japanese Patent Application Laid-Open No. 56-169801). However, when a plastic film with holes made is used as the top sheet, there is a problem that the strength of the top sheet decreases.
本発明はこのような点を考慮したものであり、肌に対す
る感触が良く、湿り感を生じさせない通水性シート体、
およびその製造方法を提供することを目的とする。The present invention takes these points into consideration, and provides a water-permeable sheet body that feels good on the skin and does not cause a wet feeling.
The purpose is to provide a method for producing the same.
（課題を解決するための手段）
本発明は、通水性シート表面の一部に発泡樹脂層を設け
たことを特徴とする通水性シート体、通水性シートと、
非通水性シートと、これら通水性シートと非通水性シー
トとの間に設けられた吸収層とからなる吸収性物品にお
いて、前記通水性シート表面の一部の、発泡樹脂層を形
成したことを特徴とする吸収性物品、およびプラスチッ
クフィルムに発泡剤を添加した発泡性樹脂溶液を塗布Ｕ
−１このプラスチックフィルムの塗布面に通水性シート
を密着させ、前記通水性シートに塗布された発泡性樹脂
を加熱して通水性シートに発泡樹脂層を形成することか
らなる通水性シート体の製造方法である。(Means for Solving the Problems) The present invention provides a water-permeable sheet body, a water-permeable sheet, and a water-permeable sheet, characterized in that a foamed resin layer is provided on a part of the surface of the water-permeable sheet.
In an absorbent article consisting of a water-impermeable sheet and an absorbent layer provided between the water-permeable sheet and the water-impermeable sheet, a foamed resin layer is formed on a part of the surface of the water-permeable sheet. Characteristic absorbent articles and plastic films coated with a foaming resin solution containing a foaming agent
-1 Manufacture of a water-permeable sheet body by bringing a water-permeable sheet into close contact with the coated surface of this plastic film, and heating the foamable resin coated on the water-permeable sheet to form a foamed resin layer on the water-permeable sheet. It's a method.
（作 用）
本発明によれば、通水性シートの表面の一部に発泡樹脂
層を設けたことにより、肌に対する感触と液のもどり性
にすぐれた通水性シート体を得ることができる。また、
この通水性シート体を用いた吸収性物品においても、同
様に感触と液のもどり性の向上を図ることができる。(Function) According to the present invention, by providing a foamed resin layer on a part of the surface of the water-permeable sheet, it is possible to obtain a water-permeable sheet body that is excellent in feel on the skin and in liquid return properties. Also,
In an absorbent article using this water-permeable sheet, it is possible to similarly improve the feel and liquid return properties.
（実施例）
以下、図面を参照して本発明の実施例について説明する
。(Example) Hereinafter, an example of the present invention will be described with reference to the drawings.
第１図乃至３８４図は本発明による通水性シート体およ
びその製造方法の実施例を示す図である。FIGS. 1 to 384 are diagrams showing examples of the water-permeable sheet body and the manufacturing method thereof according to the present invention.
まず、第４図により、紙オムツおよび生理用ナプキン等
の吸収性物品について説明する。第４図において、吸収
性物品１０は肌側のトップシートとして用いられる通水
性シート１１と、バックシートとして用いられる非通水
性シート１３とを備えており、これら通水性シート１１
と非通水性シート１３との間に吸水層１４が設けられて
いる。First, absorbent articles such as paper diapers and sanitary napkins will be explained with reference to FIG. In FIG. 4, the absorbent article 10 includes a water-permeable sheet 11 used as a top sheet on the skin side and a water-impermeable sheet 13 used as a back sheet.
A water-absorbing layer 14 is provided between the water-impermeable sheet 13 and the water-impermeable sheet 13 .
このうち、非通水性シート１３はプラスチック製のフィ
ルムシートからなり、また吸水層１４は紙、パルプ、お
よび吸水性ポリマ等から形成されている。Of these, the water-impermeable sheet 13 is made of a plastic film sheet, and the water-absorbing layer 14 is made of paper, pulp, water-absorbing polymer, or the like.
また、通水性シート１１の表面には発泡樹脂層１２が形
成され、通水性シート１１と発泡樹脂層１２とによって
通水性シート体が構成されている。Further, a foamed resin layer 12 is formed on the surface of the water-permeable sheet 11, and the water-permeable sheet 11 and the foamed resin layer 12 constitute a water-permeable sheet body.
通水性シート体について、第１図乃至第３図によりさら
に詳述する。The water-permeable sheet body will be explained in more detail with reference to FIGS. 1 to 3.
発泡樹脂層１２は、通水性シート１１の表面に、格子状
（第２図）またはドツト状（第３図）に配設されている
。The foamed resin layer 12 is arranged on the surface of the water-permeable sheet 11 in a grid pattern (FIG. 2) or a dot pattern (FIG. 3).
本実施例による通水性シート１１は、レーヨン、ポリエ
チレン、ポリプロピレン、ナイロン、ポリエステルなど
の繊維を用いた不織布からなっている。また通水性シー
ト１１は、乾式、湿式、スパンボンド法など、公知の方
法により作成され、その均量は１５〜１００ｇ／ｒｒｒ
となっている。不織布を構成する各繊維は、２種の樹脂
を芯鞘構造に複合したものも用いられる。The water permeable sheet 11 according to this embodiment is made of a nonwoven fabric using fibers such as rayon, polyethylene, polypropylene, nylon, and polyester. The water-permeable sheet 11 is made by a known method such as a dry method, a wet method, or a spunbond method, and its average weight is 15 to 100 g/rrr.
It becomes. Each fiber constituting the nonwoven fabric may be a composite of two types of resins in a core-sheath structure.
発泡樹脂層１２は、ポリエチレン、エチレンー酢酸ビニ
ル共重合体、エチレン−アクリル酸共重合体、エチレン
−エチルアクリレート無水マレイン酸共重合体、アクリ
ル系樹脂、ポリウレタン、ポリエステル、ポリアミド、
塩化ビニル系樹脂、ポリプロピレン、などの熱可塑性樹
脂（発泡性樹脂）を発泡させたものである。The foamed resin layer 12 is made of polyethylene, ethylene-vinyl acetate copolymer, ethylene-acrylic acid copolymer, ethylene-ethyl acrylate maleic anhydride copolymer, acrylic resin, polyurethane, polyester, polyamide,
It is made by foaming thermoplastic resin (foamable resin) such as vinyl chloride resin or polypropylene.
発泡剤としてはブタンが最適であり、その他炭酸水素ナ
トリウム、炭酸アンモニウム、酢酸アミル、酢酸ブチル
、ジアゾアミノベンセンなどがある。気泡は独立でも連
続でも良い。Butane is most suitable as a blowing agent, and other agents include sodium bicarbonate, ammonium carbonate, amyl acetate, butyl acetate, and diazoaminobenzene. The bubbles may be independent or continuous.
次に、通水性シート１１に発泡樹脂層１２を形成してな
る通水性シート体の製造方法について第５図により説明
する。Next, a method for manufacturing a water-permeable sheet body formed by forming a foamed resin layer 12 on a water-permeable sheet 11 will be described with reference to FIG.
第５図は通水性シート体の製造装置を示す図である。FIG. 5 is a diagram showing an apparatus for manufacturing a water-permeable sheet body.
第５図の製造装置２０において、ポリエチレン、ポリプ
ロピレン、ポリエステル等のプラスチックフィルム２２
が供給ロール２３から供給され、塗布部２４においてプ
ラスチックフィルム２２に前述した発泡性樹脂が塗布さ
れる。In the manufacturing apparatus 20 shown in FIG. 5, a plastic film 22 made of polyethylene, polypropylene, polyester, etc.
is supplied from the supply roll 23, and the above-described foamable resin is applied to the plastic film 22 in the application section 24.
すなわち、塗布部２４の槽２４ｂには、発泡性樹脂を溶
剤や水に溶解させ、エマルジョン化またはディスバージ
ョン化した発泡性樹脂溶液が貯留されている。また、こ
の発泡性樹脂溶液中には、適当な発泡剤、例えば塩化ビ
ニリデンやアクリルニトリル樹脂からなるカプセルにブ
タンを内包したマイクロカプセルが添加されている。そ
して塗布部２４において、発泡剤が添加された発泡性樹
脂溶液が、グラビアシリンダ２４ａを用いて格子状また
はドツト状にプラスチックフィルム２２に塗布される。That is, the tank 24b of the application section 24 stores a foamable resin solution obtained by dissolving foamable resin in a solvent or water and forming an emulsion or dispersion. In addition, a suitable blowing agent, such as microcapsules in which butane is encapsulated in capsules made of vinylidene chloride or acrylonitrile resin, is added to this foamable resin solution. Then, in the application section 24, a foamable resin solution to which a foaming agent has been added is applied to the plastic film 22 in a grid pattern or dot pattern using a gravure cylinder 24a.
続いて、プラスチックフィルム２２はニップ部２６に送
られ、このニップ部２６において、プラスチックフィル
ム２２の発泡性樹脂溶液塗布面に、供給ロール２５から
供給された通水性シート１１が密着する。次に、互いに
密着した通水性シート１１およびプラスチックフィルム
２２は乾燥部２７に送られ、ここで乾燥させられ、通水
性シート１１に発泡性樹脂の膜が形成される。乾燥部２
７を通過した通水性シート１１およびプラスチックフィ
ルム２２は、分離部３１において分離される。すなわち
、通水性シート１１からプラスチックフィルム２２が剥
離され、プラスチックフィルム２２は巻取ロール２８に
巻取られる。Subsequently, the plastic film 22 is sent to the nip section 26, where the water permeable sheet 11 supplied from the supply roll 25 is brought into close contact with the foamable resin solution applied surface of the plastic film 22. Next, the water-permeable sheet 11 and the plastic film 22 that are in close contact with each other are sent to a drying section 27 and dried there to form a foamable resin film on the water-permeable sheet 11. Drying section 2
The water-permeable sheet 11 and the plastic film 22 that have passed through the separation section 31 are separated. That is, the plastic film 22 is peeled off from the water-permeable sheet 11, and the plastic film 22 is wound onto the take-up roll 28.
その後、表面に発泡性樹脂の膜が形成された通水性シー
ト１１が、発泡部２９において発泡温度まで加熱される
。この場合、発泡性樹脂の膜が発泡して発泡樹脂層１２
が形成され、このようにして通水性シート体が得られる
。その後、通水性シート体は巻取ロール３０に巻取られ
る。Thereafter, the water-permeable sheet 11 having a foamable resin film formed on its surface is heated to a foaming temperature in the foaming section 29 . In this case, the foamable resin film is foamed to form the foamed resin layer 12.
is formed, and thus a water-permeable sheet body is obtained. Thereafter, the water-permeable sheet body is wound up on a winding roll 30.
なお、上記実施例において、プラスチックフィルム２２
の塗布面に通水性シート１１を密着させた後、乾燥させ
た例を示したが、これに限らずプラスチックフィルム２
２を乾燥させた後に、通水性シート１１にプラスチック
フィルム２２を密着させてもよい。また、通水性シート
１１からプラスチックフィルム２２を剥離した後、発泡
性樹脂の膜を発泡させた例を示したが、これに限らず発
泡性樹脂の膜を発泡させた後、通水性シート１１からプ
ラスチックフィルム２２を剥離させてもよい。さらにま
た、発泡前の通水性シート１１を巻取ロールで巻き取っ
てしまい、巻き取り状態でオーブンに入れて発泡性樹脂
の膜を発泡させてもよい。さらに、発泡性樹脂中に、顔
料、滑剤、帯電防止剤、脱臭剤、抗菌剤等を添加しても
よい。In addition, in the above embodiment, the plastic film 22
Although the example is shown in which the water-permeable sheet 11 is brought into close contact with the coated surface of the plastic film 2 and then dried, the present invention is not limited to this.
After drying the plastic film 22, the water permeable sheet 11 may be brought into close contact with the plastic film 22. Further, although an example has been shown in which the foamable resin film is foamed after the plastic film 22 is peeled off from the water permeable sheet 11, the present invention is not limited to this. The plastic film 22 may be peeled off. Furthermore, the water-permeable sheet 11 before foaming may be wound up with a take-up roll, and the wound state may be placed in an oven to foam the foamable resin film. Furthermore, pigments, lubricants, antistatic agents, deodorizing agents, antibacterial agents, etc. may be added to the foamable resin.
次に本発明の詳細な説明する。Next, the present invention will be explained in detail.
（具体例１）
プラスチックフィルム２２として厚さ２０μの二軸延伸
ポリプロピレンを用い、この二軸延伸ポリプロピレンに
２ｎ間隔で０．４璽１幅の発泡性樹脂溶液を版深１１０
μのグラビア版で格子状に塗布した。(Specific Example 1) Biaxially oriented polypropylene with a thickness of 20 μm is used as the plastic film 22, and a foaming resin solution of 0.4 square width is applied to the biaxially oriented polypropylene at 2n intervals at a plate depth of 110 mm.
It was applied in a grid pattern using a μ gravure plate.
発泡性樹脂溶液としてはエチレン−アクリル酸共重合体
エマルジョンを用い、この溶液中にブタンガスを内包す
る塩化ビニリデン樹脂からなるカプセルを添加した。こ
のカプセルの添加量は溶液中の固形分に対し２重量％と
した。An ethylene-acrylic acid copolymer emulsion was used as the foamable resin solution, and capsules made of vinylidene chloride resin containing butane gas were added to this solution. The amount of the capsules added was 2% by weight based on the solid content in the solution.
また、通水性シート１１としてはレーヨン不織布（４０
ｇ／ｒｆ）を用い、この通水性シートとプラスチックフ
ィルムを密着させた後８０℃の温度で乾燥させ、通水性
シートからプラスチックフィルムを剥離した。その後通
水性シートを１３０℃の発泡温度で加熱し、発泡樹脂層
を形成した。In addition, as the water-permeable sheet 11, a rayon nonwoven fabric (40
g/rf), the water permeable sheet and the plastic film were brought into close contact with each other, and then dried at a temperature of 80°C, and the plastic film was peeled off from the water permeable sheet. Thereafter, the water-permeable sheet was heated at a foaming temperature of 130° C. to form a foamed resin layer.
（具体例２）
プラスチックフィルム２２として厚さ２０μの二軸延伸
ポリプロピレンを用い、この二軸延伸ポリプロピレンに
２ｍ１１間隔で０．４１１幅の発泡性樹脂溶液を版深１
１０μのグラビア版で格子状に塗布した。(Specific Example 2) Biaxially oriented polypropylene with a thickness of 20μ is used as the plastic film 22, and a foaming resin solution with a width of 0.411 is applied to the biaxially oriented polypropylene at intervals of 2 m11 at a plate depth of 1.
It was applied in a grid pattern using a 10μ gravure plate.
発泡性樹脂溶液およびこれに添加されるカプセルは、具
体例１と同様のものを用いた。The foamable resin solution and the capsules added thereto were the same as in Example 1.
また、通水性シート１１としてはポリエステル不織布（
４０ｓｒ／ｒｒｆ）を用い、この通水性シートとプラス
チックフィルムとを密着させた後、８０″〜１３０”ま
で徐々に昇温させながら連続的に乾燥発泡させた。その
後、通水性シートからプラスチックフィルムを剥離した
。In addition, as the water permeable sheet 11, a polyester nonwoven fabric (
40sr/rrf), the water-permeable sheet and the plastic film were brought into close contact with each other, and then dried and foamed continuously while gradually increasing the temperature from 80'' to 130''. Thereafter, the plastic film was peeled off from the water-permeable sheet.
次に具体例１および具体例２のようにして得られた通水
性シート体と、不織布について比較実験を行なった。そ
の結果を下表に示す。Next, a comparative experiment was conducted on the water-permeable sheet bodies obtained in Specific Examples 1 and 2 and nonwoven fabrics. The results are shown in the table below.
表 比較実験の結果 上記表において、感触は、肌触りを官能で評価した。Table Comparative experiment results In the above table, the feel was evaluated based on the sense of touch.
また、液のもどり性は、シートの下に脱脂綿を敷き、５
０ｃｃの水を上方から浸透させ、シートの上に紙を置き
、さらに紙の上に５０ｇの分銅を乗せ、紙が濡れるか否
かみた。Also, to check the return of the liquid, place absorbent cotton under the sheet.
0cc of water was permeated from above, paper was placed on the sheet, and a 50g weight was placed on the paper to see if the paper got wet.
以上説明したように、本発明によれば、肌に対する感触
と液のもどり性にすぐれた通水性シート体を得ることが
できる。また、この通水性シート体を用いた紙オムツお
よび生理用ナプキン等の吸収性物品によれば、装着感と
機能性の向上を図ることができる。As explained above, according to the present invention, it is possible to obtain a water-permeable sheet body that has excellent feel on the skin and excellent liquid return properties. Further, absorbent articles such as paper diapers and sanitary napkins using this water-permeable sheet body can improve the feeling of wearing and functionality.
第１図に本発明による通水性シート体を示す側断面図で
あり、第２図および第３図は発泡樹脂層の配置状態を示
す平面図であり、第４図は吸収性物品の側断面図であり
、第５図は通水性シート体の製造装置を示す図である。
１０・・・吸収性物品、１１・・・通水性シート、１２
・・・発泡樹脂層、１３・・・非通水性シート、１４・
・・吸水層、２０・・・通水性シート体の製造装置、２
２・・・プラスチックフィルム、２４・・・塗布部、２
７・・・乾燥部、２９・・・発泡部。FIG. 1 is a side sectional view showing a water-permeable sheet body according to the present invention, FIGS. 2 and 3 are plan views showing the arrangement of a foamed resin layer, and FIG. 4 is a side sectional view of an absorbent article. FIG. 5 is a diagram showing an apparatus for manufacturing a water-permeable sheet body. 10...Absorbent article, 11...Water permeable sheet, 12
... Foamed resin layer, 13... Water-impermeable sheet, 14.
・・Water absorption layer, 20 ・・Production device for water permeable sheet body, 2
2...Plastic film, 24...Applying part, 2
7... Drying section, 29... Foaming section.
Claims (5)
を特徴とする通水性シート体。1. A water-permeable sheet body characterized in that a foamed resin layer is provided on a part of the surface of the water-permeable sheet.
項１記載の通水性シート体。2. The water-permeable sheet body according to claim 1, wherein the water-permeable sheet is a nonwoven fabric.
ット状に配置されていることを特徴とする請求項１記載
の通水性シート体。3. 2. The water-permeable sheet body according to claim 1, wherein the foamed resin layer is arranged on the surface of the water-permeable sheet in a grid pattern or a dot pattern.
シートと非通水性シートとの間に設けられた吸収層とか
らなる吸収性物品において、前記通水性シート表面の一
部に、発泡樹脂層を形成したことを特徴とする吸収性物
品。4. In an absorbent article comprising a water permeable sheet, a water impermeable sheet, and an absorbent layer provided between the water permeable sheet and the water impermeable sheet, a foamed resin layer is provided on a part of the surface of the water permeable sheet. An absorbent article comprising:
脂溶液を塗布し、このプラスチックフィルムの塗布面に
通水性シートを密着させ、前記通水性シートに塗布され
た発泡性樹脂を加熱して通水性シートに発泡樹脂層を形
成することからなる通水性シート体の製造方法。5. A foamable resin solution containing a foaming agent is applied to a plastic film, a water-permeable sheet is brought into close contact with the coated surface of the plastic film, and the foamable resin coated on the water-permeable sheet is heated to foam the water-permeable sheet. A method for manufacturing a water permeable sheet body comprising forming a resin layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2034863A JP2974715B2 (en) | 1990-02-15 | 1990-02-15 | Water-permeable sheet body and method for producing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2034863A JP2974715B2 (en) | 1990-02-15 | 1990-02-15 | Water-permeable sheet body and method for producing the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03241079A true JPH03241079A (en) | 1991-10-28 |
| JP2974715B2 JP2974715B2 (en) | 1999-11-10 |
Family
ID=12426006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2034863A Expired - Fee Related JP2974715B2 (en) | 1990-02-15 | 1990-02-15 | Water-permeable sheet body and method for producing the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2974715B2 (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0434082A (en) * | 1990-05-24 | 1992-02-05 | Uni Charm Corp | Surface sheet of absorbing article |
| WO1998043587A1 (en) * | 1997-03-31 | 1998-10-08 | Kimberly-Clark Worldwide, Inc. | High permeability liner with improved intake and distribution |
| JP2011074517A (en) * | 2009-09-30 | 2011-04-14 | Daio Paper Corp | Crepe paper having weir part |
| JP2014526365A (en) * | 2011-10-05 | 2014-10-06 | エスセーアー・ハイジーン・プロダクツ・アーベー | Method for applying structural elements to absorbent articles |
| JP2017014679A (en) * | 2005-05-02 | 2017-01-19 | インターナショナル・ペーパー・カンパニー | Lignocellulosic material and product made therefrom |
| JP2017522103A (en) * | 2014-06-27 | 2017-08-10 | ザ プロクター アンド ギャンブル カンパニー | Heterogeneous mass containing foam |
| US11000466B2 (en) | 2014-06-30 | 2021-05-11 | Johnson & Johnson Consumer Inc. | Hair growth composition and method |
| US11173078B2 (en) | 2015-11-04 | 2021-11-16 | The Procter & Gamble Company | Absorbent structure |
| US11332886B2 (en) | 2017-03-21 | 2022-05-17 | International Paper Company | Odor control pulp composition |
| US11376168B2 (en) | 2015-11-04 | 2022-07-05 | The Procter & Gamble Company | Absorbent article with absorbent structure having anisotropic rigidity |
| US11957556B2 (en) | 2015-06-30 | 2024-04-16 | The Procter & Gamble Company | Absorbent structure |
-
1990
- 1990-02-15 JP JP2034863A patent/JP2974715B2/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0434082A (en) * | 1990-05-24 | 1992-02-05 | Uni Charm Corp | Surface sheet of absorbing article |
| WO1998043587A1 (en) * | 1997-03-31 | 1998-10-08 | Kimberly-Clark Worldwide, Inc. | High permeability liner with improved intake and distribution |
| AU724797B2 (en) * | 1997-03-31 | 2000-09-28 | Kimberly-Clark Worldwide, Inc. | High permeability liner with improved intake and distribution |
| JP2017014679A (en) * | 2005-05-02 | 2017-01-19 | インターナショナル・ペーパー・カンパニー | Lignocellulosic material and product made therefrom |
| US10907304B2 (en) | 2005-05-02 | 2021-02-02 | International Paper Company | Ligno cellulosic materials and the products made therefrom |
| JP2011074517A (en) * | 2009-09-30 | 2011-04-14 | Daio Paper Corp | Crepe paper having weir part |
| US9072630B2 (en) | 2011-10-05 | 2015-07-07 | Sca Hygiene Products Ab | Method of applying structural elements to an absorbent article |
| JP2014526365A (en) * | 2011-10-05 | 2014-10-06 | エスセーアー・ハイジーン・プロダクツ・アーベー | Method for applying structural elements to absorbent articles |
| JP2017522103A (en) * | 2014-06-27 | 2017-08-10 | ザ プロクター アンド ギャンブル カンパニー | Heterogeneous mass containing foam |
| US11000466B2 (en) | 2014-06-30 | 2021-05-11 | Johnson & Johnson Consumer Inc. | Hair growth composition and method |
| US11957556B2 (en) | 2015-06-30 | 2024-04-16 | The Procter & Gamble Company | Absorbent structure |
| US11173078B2 (en) | 2015-11-04 | 2021-11-16 | The Procter & Gamble Company | Absorbent structure |
| US11376168B2 (en) | 2015-11-04 | 2022-07-05 | The Procter & Gamble Company | Absorbent article with absorbent structure having anisotropic rigidity |
| US11332886B2 (en) | 2017-03-21 | 2022-05-17 | International Paper Company | Odor control pulp composition |
| US11613849B2 (en) | 2017-03-21 | 2023-03-28 | International Paper Company | Odor control pulp composition |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2974715B2 (en) | 1999-11-10 |
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