JPH0427640Y2 - - Google Patents
Info
- Publication number
- JPH0427640Y2 JPH0427640Y2 JP3073687U JP3073687U JPH0427640Y2 JP H0427640 Y2 JPH0427640 Y2 JP H0427640Y2 JP 3073687 U JP3073687 U JP 3073687U JP 3073687 U JP3073687 U JP 3073687U JP H0427640 Y2 JPH0427640 Y2 JP H0427640Y2
- Authority
- JP
- Japan
- Prior art keywords
- breathable laminate
- microporous film
- hot melt
- nonwoven fabric
- utility
- 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
- 239000012943 hotmelt Substances 0.000 claims description 21
- 239000004745 nonwoven fabric Substances 0.000 claims description 19
- 239000000843 powder Substances 0.000 claims description 12
- 229920005992 thermoplastic resin Polymers 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000000126 substance Substances 0.000 claims description 9
- 239000011148 porous material Substances 0.000 claims description 6
- 239000006096 absorbing agent Substances 0.000 claims description 4
- 239000003205 fragrance Substances 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 239000003899 bactericide agent Substances 0.000 claims description 2
- 239000000077 insect repellent Substances 0.000 claims description 2
- 239000002917 insecticide Substances 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000005871 repellent Substances 0.000 claims description 2
- 230000002940 repellent Effects 0.000 claims description 2
- 230000002745 absorbent Effects 0.000 claims 2
- 239000002250 absorbent Substances 0.000 claims 2
- 230000000844 anti-bacterial effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 14
- 230000035699 permeability Effects 0.000 description 11
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 239000010410 layer Substances 0.000 description 6
- 238000005187 foaming Methods 0.000 description 5
- 238000003475 lamination Methods 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- -1 etc. Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000004831 Hot glue Substances 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 239000011147 inorganic material Substances 0.000 description 2
- 229920000092 linear low density polyethylene Polymers 0.000 description 2
- 239000004707 linear low-density polyethylene Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000005022 packaging material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229940123973 Oxygen scavenger Drugs 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229920002367 Polyisobutene Polymers 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- NPERTKSDHFSDLC-UHFFFAOYSA-N ethenol;prop-2-enoic acid Chemical compound OC=C.OC(=O)C=C NPERTKSDHFSDLC-UHFFFAOYSA-N 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000000749 insecticidal effect Effects 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920001179 medium density polyethylene Polymers 0.000 description 1
- 239000004701 medium-density polyethylene Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 150000003505 terpenes Chemical class 0.000 description 1
- 235000007586 terpenes Nutrition 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
Description
【考案の詳細な説明】
〈産業上の利用分野〉
本考案は紙オムツや生理用品等の防漏シート、
巴布剤や絆創膏等の基布、乾燥剤、発熱剤、脱酸
素剤、芳香剤等の包装材料、ガス滅菌用の包材、
又はそれ自身吸水、芳香、脱酸素、吸湿、脱臭、
殺虫等の機能を有するシートとして利用できる通
気性積層体に関する。[Detailed description of the invention] <Industrial application field> This invention is applicable to leak-proof sheets for disposable diapers, sanitary products, etc.
Packaging materials for base cloths and adhesive plasters, desiccants, heat-generating agents, oxygen absorbers, fragrances, etc., packaging materials for gas sterilization,
Or itself absorbs water, aroma, deoxidizes, absorbs moisture, deodorizes,
The present invention relates to a breathable laminate that can be used as a sheet having functions such as insecticidal.
〈従来の技術〉
通気性を有する材料としては、紙、不織布、穴
あきフイルム、微多孔性フイルム等があり、これ
らを単独であるいは複合化して様々な用途に使用
されている。しかし、紙、不織布、穴あきフイル
ムは透水性であり、透水性の低い不織布でも耐水
圧が低いという欠点があり、これらの組合せで
は、耐水性に難点がある。従つて、紙オムツのバ
ツクシートや潮解性除湿剤容器の蓋材等、耐水性
が必要とされる用途には微多孔性フイルムが用い
られている。しかし、微多孔性フイルムは強度が
小さく、耐熱性が劣るという欠点があり、これを
克服するために不織布との貼り合せが行なわれて
いる。これまで行なわれている貼り合せ方法は加
熱ラミネート法や接着剤の部分的塗布によるラミ
ネート法が主体であつた。<Prior Art> Examples of breathable materials include paper, nonwoven fabric, perforated film, and microporous film, which are used alone or in combination for various purposes. However, paper, nonwoven fabric, and perforated film are water permeable, and even nonwoven fabrics with low water permeability have a drawback of low water pressure resistance, and a combination of these has a drawback in water resistance. Therefore, microporous films are used in applications that require water resistance, such as back sheets for disposable diapers and lids for deliquescent dehumidifier containers. However, microporous films have the drawbacks of low strength and poor heat resistance, and in order to overcome these problems, they are bonded with nonwoven fabrics. The bonding methods that have been used so far have mainly been heat lamination methods and lamination methods that involve partial application of an adhesive.
〈考案が解決しようとする問題点〉
しかしながら、加熱ラミネート法では、加熱に
より微多孔性フイルムを形成している熱可塑性樹
脂が軟化するので、通気性が損なわれるととも
に、大きな積層強度が期待できない。また接着剤
の部分的塗布によるラミネート法では、接着剤塗
布部の通気性が失なわれ、また非塗布部が接着し
ていないという欠点がある。<Problems to be solved by the invention> However, in the heat lamination method, the thermoplastic resin forming the microporous film is softened by heating, so air permeability is impaired and high lamination strength cannot be expected. Furthermore, the lamination method in which adhesive is applied partially has the disadvantage that the adhesive-applied area loses air permeability and the non-applied area is not bonded.
従つて本考案の目的は均一で良好な通気性を有
するとともに十分な強度を有する積層体を提供す
ることである。 Therefore, an object of the present invention is to provide a laminate having uniform and good air permeability and sufficient strength.
特に本考案の目的は微多孔性フイルムと不織布
との積層体であつて、良好な通気性とともに十分
な接着強度を有する通気性積層体を提供すること
である。 In particular, an object of the present invention is to provide a breathable laminate of a microporous film and a nonwoven fabric, which has good air permeability and sufficient adhesive strength.
さらに本発明の目的は接着層に種々の粉体を含
有させることで機能性を付与した通気性積層体を
提供することである。 A further object of the present invention is to provide an air-permeable laminate which is imparted with functionality by containing various powders in the adhesive layer.
〈問題点を解決するための手段〉
上記目的に鑑み鋭意研究の結果、本発明者は微
多孔性フイルムと不織布とを発泡型ホツトメルト
で接着することにより良好な通気性を保持したま
ま強い接着力で積層体を得ることができることを
発見し、本考案に想到した。<Means for Solving the Problems> In view of the above objectives, as a result of intensive research, the present inventors bonded a microporous film and a nonwoven fabric with a foamed hotmelt, thereby achieving strong adhesive strength while maintaining good air permeability. They discovered that it was possible to obtain a laminate using the following methods, and came up with the present invention.
すなわち、本考案の通気性積層体は、微多孔性
フイルムと不織布とをスプレー塗布した発泡型ホ
ツトメルトにより接着してなることを特徴とす
る。 That is, the breathable laminate of the present invention is characterized in that it is formed by adhering a microporous film and a nonwoven fabric using a spray-applied foamed hotmelt.
前記積層体のホツトメルト接着剤層に各種の粉
体を保持させることにより、種々の機能性を付与
することができる。 Various functionalities can be imparted by holding various powders in the hot melt adhesive layer of the laminate.
〈実施例〉
第１図は本考案の一実施例による通気性積層体
を示す。第１図において、１は微多孔性フイルム
を示し、２は不織布、及び３は発泡型ホツトメル
ト層を示す。<Example> FIG. 1 shows a breathable laminate according to an example of the present invention. In FIG. 1, 1 represents a microporous film, 2 represents a nonwoven fabric, and 3 represents a foamed hot melt layer.
本考案において、微多孔性フイルムとして0.01
〜10μmの平均孔径を有するものが適当である。
0.01μm未満の平均孔径では充分な通気性が得ら
れず、また10μmを越えると、充分な耐水圧が得
られない。 In this invention, as a microporous film, 0.01
Those with an average pore size of ~10 μm are suitable.
If the average pore diameter is less than 0.01 μm, sufficient air permeability cannot be obtained, and if it exceeds 10 μm, sufficient water pressure resistance cannot be obtained.
微多孔性フイルムは熱可塑性樹脂に可溶性物質
を混合してシートを形成し、その後シートから可
溶性物質を溶出させる方法、熱可塑性樹脂の粉末
を焼結させる方法、熱可塑性樹脂に無機物質を混
合してシートを形成し、それを延伸する方法、結
晶性熱可塑性樹脂のシートを形成して延伸する方
法などにより得ることができる。中でも熱可塑性
樹脂と無機物からなるシートを少なくとも一軸方
向に延伸することにより得られる微多孔性フイル
ムが安価であり、本考案の目的に適当である。 Microporous films can be produced by mixing a thermoplastic resin with a soluble substance to form a sheet and then eluting the soluble substance from the sheet, by sintering thermoplastic resin powder, or by mixing an inorganic substance with a thermoplastic resin. It can be obtained by a method of forming a sheet of crystalline thermoplastic resin and stretching it, or a method of forming a sheet of crystalline thermoplastic resin and stretching it. Among these, a microporous film obtained by stretching a sheet made of a thermoplastic resin and an inorganic material in at least one axis is inexpensive and suitable for the purpose of the present invention.
ここで上記微多孔性フイルムに使用し得る熱可
塑性樹脂として、低密度ポリエチレン、中密度ポ
リエチレン、高密度ポリエチレン、線状低密度ポ
リエチレン、ポリプロピレン、エチレン−酢酸ビ
ニル共重合体等があり、またそれに含有させる無
機物として、炭酸カルシウム、炭酸マグネシウ
ム、硫酸バリウム、硫酸マグネシウム、タルク、
ケイ酸、クレイ等がある。 Here, as thermoplastic resins that can be used for the above-mentioned microporous film, there are low density polyethylene, medium density polyethylene, high density polyethylene, linear low density polyethylene, polypropylene, ethylene-vinyl acetate copolymer, etc. Inorganic substances include calcium carbonate, magnesium carbonate, barium sulfate, magnesium sulfate, talc,
There are silicic acid, clay, etc.
上記無機物の平均粒径は0.1〜10μm、好ましく
は１〜5μm程度であり、またその含有量は30〜80
重量％、好ましくは40〜60重量％である。 The average particle size of the above inorganic material is about 0.1 to 10 μm, preferably about 1 to 5 μm, and the content is about 30 to 80 μm.
% by weight, preferably 40-60% by weight.
上記平均孔径を有するために、上記無機物を含
有する熱可塑性樹脂のシートを少なくとも一軸方
向に50〜1000％程度延伸する。 In order to have the above-mentioned average pore diameter, the thermoplastic resin sheet containing the above-mentioned inorganic substance is stretched approximately 50 to 1000% in at least one direction.
なお微多孔性フイルムは、その他に必要に応じ
滑剤、顔料安定剤、帯電防止剤、可塑剤等を含有
してもよい。 In addition, the microporous film may also contain a lubricant, a pigment stabilizer, an antistatic agent, a plasticizer, etc., if necessary.
不織布はポリエチレンやポリプロピレン等のポ
リオレフイン、ナイロン等のポリアミド、ポリエ
ステル、レ−ヨン等の熱可塑性樹脂から形成する
ことができる。製造方法としては、湿式法、乾式
法、スパンボンド法、ニードルパンチ法等があ
る。 The nonwoven fabric can be formed from polyolefins such as polyethylene and polypropylene, polyamides such as nylon, and thermoplastic resins such as polyester and rayon. Manufacturing methods include a wet method, a dry method, a spunbond method, a needle punch method, and the like.
不織布の繊維は平均0.1〜100μm程度の太さで
あればよく、また不織布の坪量は５〜500g／m2
程度であればよい。さらに細孔がつぶれない限り
ヒートロール又は圧縮したものでもよい。 The fibers of the nonwoven fabric should have an average thickness of about 0.1 to 100 μm, and the basis weight of the nonwoven fabric is 5 to 500 g/m 2
It is sufficient as long as it is of a certain extent. Furthermore, heat roll or compressed materials may be used as long as the pores are not crushed.
発泡型ホツトメルトは、ポリ酢酸ビニル、ポリ
ビニルブチラール、アクリル樹脂、ポリアミド、
エチレン−酢酸ビニル共重合体、エチレン−アク
リル酸エステル共重合体等の熱可塑性樹脂、ブチ
ルゴム、ポリイソブチレン等のゴム、ロジン及び
ロジン誘導体、テルペン樹脂等の粘着付与剤等か
らなる。これらの材料からなるホツトメルトの発
泡化は、その溶融物中にエアースプレーにより空
気、窒素ガス、炭酸ガス等の気体を無数の独立気
泡として混入させながら吐出し、被着体上に塗布
することにより行なう。上記スプレー法におい
て、ホツトメルトの溶融温度は融点乃至それより
100℃程度高い温度とする。スプレーする気体は
圧力でコントロールする。なお発泡型ホツトメル
ト中に気泡の大きさは直径0.1〜１mm程度であり、
その量は30〜70体積％程度であるのが好もしい。 Foaming hot melts are made of polyvinyl acetate, polyvinyl butyral, acrylic resin, polyamide,
It consists of thermoplastic resins such as ethylene-vinyl acetate copolymer and ethylene-acrylic ester copolymer, rubbers such as butyl rubber and polyisobutylene, rosin and rosin derivatives, and tackifiers such as terpene resins. Foaming of hot melts made of these materials is achieved by mixing air, nitrogen gas, carbon dioxide gas, etc. into the melted material as countless closed bubbles and discharging it using an air spray, and applying it onto the adherend. Let's do it. In the above spray method, the melting temperature of the hot melt is at or above the melting point.
The temperature should be about 100℃ higher. The sprayed gas is controlled by pressure. The size of the bubbles in the foamed hot melt is approximately 0.1 to 1 mm in diameter.
The amount is preferably about 30 to 70% by volume.
第２図は発泡型ホツトメルト層３中に機能性を
付与する粉体４を含有されている例を示す。粉体
４は吸水剤、吸湿剤、脱酸素剤、脱臭剤、芳香
剤、殺虫剤、防虫剤、忌避剤、殺菌剤等からな
り、又はこれらを１種又は２種以上担持する無機
物又は有機物である。粉体４の粒径は0.1〜
500μm程度である。粉体４は、発泡型ホツトメル
トの塗布の後で散布することにより、ホツトメル
ト層３中に含有させることができる。 FIG. 2 shows an example in which the foamed hot melt layer 3 contains powder 4 that imparts functionality. The powder 4 consists of a water absorbing agent, a moisture absorbing agent, an oxygen scavenger, a deodorizing agent, a fragrance, an insecticide, an insect repellent, a repellent, a bactericidal agent, etc., or is an inorganic or organic substance that supports one or more of these. be. The particle size of powder 4 is 0.1~
It is about 500μm. The powder 4 can be contained in the hot melt layer 3 by scattering it after the foamed hot melt is applied.
本考案の通気性積層体は、微多孔性フイルム又
は不織布のいずれか一方に発泡性ホツトメルトを
塗布し、他方を密着することにより得られ、必要
に応じ発泡型ホツトメルトに機能性を付与する粉
体を散布した後で密着してもよい。 The breathable laminate of the present invention is obtained by applying a foaming hot melt to either a microporous film or a nonwoven fabric and adhering the other, and if necessary, a powder that imparts functionality to the foam hot melt. It may be applied closely after being sprayed.
本考案をさらに以下の実施例により詳細に説明
する。 The present invention will be further explained in detail by the following examples.
実施例 １
線状低密度ポリエチレン（密度＝0.915、MI＝
2.0）50重量％と、重質炭酸カルシウム（平均孔
径1.7μm）50重量％とを二軸混練機で混合・造粒
後、インフレーシヨン製膜機で厚さ65μmのフイ
ルムとした。このフイルムを一軸延伸機で2.5倍
に延伸し、厚さ50μmの微多孔性フイルムを得た。
またホツトメルト（カネボウNSC製デユロタツ
ク234−4008）を150℃で溶融し、0.3Kg／cm2の圧
力の窒素ガスによりエアスプレーで、ポリエステ
ル不織布（坪量30g／m2）上に噴霧し、直ちに上
記微多孔性フイルムを圧着した。ホツトメルトの
塗布量は15g／m2であつた。Example 1 Linear low density polyethylene (density = 0.915, MI =
2.0) 50% by weight and 50% by weight of heavy calcium carbonate (average pore diameter 1.7 μm) were mixed and granulated using a twin-screw kneader, and then formed into a film with a thickness of 65 μm using an inflation film forming machine. This film was stretched 2.5 times using a uniaxial stretching machine to obtain a microporous film with a thickness of 50 μm.
In addition, hot melt (Durotak 234-4008 manufactured by Kanebo NSC) was melted at 150°C and sprayed onto a polyester nonwoven fabric (basis weight 30 g/m 2 ) using nitrogen gas at a pressure of 0.3 Kg/cm 2 and immediately above. A microporous film was crimped. The amount of hot melt applied was 15 g/m 2 .
得られた積層体の透気度は1000秒／100c.c.（ガ
ーレー法）であり、透湿度は2500g／m2・24Hr
（40℃，90％RH）であつた。 The air permeability of the obtained laminate is 1000 seconds/100c.c. (Gurley method), and the moisture permeability is 2500g/ m2・24Hr.
(40℃, 90%RH).
実施例 ２
実施例１においてホツトメルトを塗布した後、
吸水性樹脂（住友化学製スミカゲルSP−520）を
10g／m2の割合で散布し、微多孔性フイルムと圧
着した。得られたシートは、不織布側のみ吸水
し、通気、透湿性は実施例１と同様であつた。Example 2 After applying the hot melt in Example 1,
Water-absorbing resin (Sumikagel SP-520 manufactured by Sumitomo Chemical)
It was sprayed at a rate of 10 g/m 2 and pressed onto a microporous film. The obtained sheet absorbed water only on the nonwoven fabric side, and its air permeability and moisture permeability were the same as in Example 1.
以上の通り本考案を実施例により説明したが、
本考案はこれに限定されるものではなく、本考案
の思想の範囲内で種々の変更を施こすことができ
る。例えば上記実施例において微多孔性フイルム
及び不織布が１層づつの積層体を示したが、本考
案の積層体はそれに限定されることなく微多孔性
フイルムと不織布の一方又は両方が２層以上の積
層体も本考案の範囲内である。 As mentioned above, the present invention has been explained using examples.
The present invention is not limited to this, and various changes can be made within the scope of the idea of the present invention. For example, in the above embodiments, a laminate is shown in which each layer of microporous film and nonwoven fabric is used, but the laminate of the present invention is not limited thereto, and the laminate of the present invention is not limited to this, but has two or more layers of one or both of microporous film and nonwoven fabric. Laminates are also within the scope of the present invention.
〈考案の効果〉
以上の通り発泡型ホツトメルト接着剤により微
多孔性フイルムと不織布とを接着しているので、
本考案の通気性積層体は通気性を損なわずに十分
な接着強度を有する。またホツトメルトは発泡し
ているのでその塗布量は少なくてすむ。さらに発
泡型ホツトメルトに適当な粉末を含有させること
により機能性を付与することができる。<Effects of the invention> As mentioned above, since the microporous film and the nonwoven fabric are bonded using a foaming hot melt adhesive,
The breathable laminate of the present invention has sufficient adhesive strength without impairing breathability. Moreover, since hot melt is foamed, the amount of application can be small. Furthermore, functionality can be imparted to the foamed hot melt by incorporating a suitable powder into the foamed hot melt.
第１図は本考案の一実施例による通気性積層体
の断面図であり、第２図は本考案の別の実施例に
よる通気性積層体の断面図である。
１……微多孔性フイルム、２……不織布、３…
…発泡型ホツトメルト、４……粉体。
FIG. 1 is a sectional view of a breathable laminate according to one embodiment of the present invention, and FIG. 2 is a sectional view of a breathable laminate according to another embodiment of the present invention. 1...Microporous film, 2...Nonwoven fabric, 3...
...Foaming hot melt, 4...Powder.
Claims (1)
した発泡型ホツトメルトにより接着してなるこ
とを特徴とする通気性積層体。 (2) 実用新案登録請求の範囲第１項に記載の通気
性積層体において、前記ホツトメルトの層が粉
体を含有することを特徴とする通気性積層体。 (3) 実用新案登録請求の範囲第１項又は第２項に
記載の通気性積層体において、前記微多孔性フ
イルムが0.01〜10μmの平均孔径を有すること
を特徴とする通気性積層体。 (4) 実用新案登録請求の範囲第３項に記載の通気
性積層体において、前記微多孔性フイルムが無
機物を含有する熱可塑性樹脂のシートを少なく
とも一軸方向に延伸することにより得られたも
のであることを特徴とする通気性積層体。 (5) 実用新案登録請求の範囲第２項乃至第４項の
いずれかに記載の通気性積層体において、前記
粉体が、吸水剤、吸湿剤、脱酸素剤、脱臭剤、
芳香剤、殺虫剤、防虫剤、忌避剤、殺菌剤又は
これらの少なくとも１種を含有する物質の１種
又は２種以上からなることを特徴とする通気性
積層体。[Claims for Utility Model Registration] (1) A breathable laminate characterized by being formed by adhering a microporous film and a nonwoven fabric using spray-applied foamed hotmelt. (2) Utility Model Registration The breathable laminate according to claim 1, wherein the hot melt layer contains powder. (3) Utility model registration The breathable laminate according to claim 1 or 2, wherein the microporous film has an average pore diameter of 0.01 to 10 μm. (4) Utility model registration In the breathable laminate according to claim 3, the microporous film is obtained by stretching a thermoplastic resin sheet containing an inorganic substance in at least one axis. A breathable laminate characterized by: (5) The breathable laminate according to any one of claims 2 to 4, wherein the powder contains a water absorbent, a moisture absorbent, an oxygen absorber, a deodorizer,
A breathable laminate comprising one or more of a fragrance, an insecticide, an insect repellent, a repellent, a bactericide, or a substance containing at least one of these.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3073687U JPH0427640Y2 (en) | 1987-03-03 | 1987-03-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3073687U JPH0427640Y2 (en) | 1987-03-03 | 1987-03-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63136926U JPS63136926U (en) | 1988-09-08 |
| JPH0427640Y2 true JPH0427640Y2 (en) | 1992-07-02 |
Family
ID=30835821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3073687U Expired JPH0427640Y2 (en) | 1987-03-03 | 1987-03-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0427640Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3848708B2 (en) * | 1996-10-07 | 2006-11-22 | レンゴー株式会社 | Packaging for water-reactive drugs |
| JP5246587B2 (en) * | 2008-08-08 | 2013-07-24 | 日産自動車株式会社 | Interior material and manufacturing method thereof |
-
1987
- 1987-03-03 JP JP3073687U patent/JPH0427640Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63136926U (en) | 1988-09-08 |
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