JP2573680B2 - Porous film-fiber composite and method for producing the same - Google Patents
Porous film-fiber composite and method for producing the sameInfo
- Publication number
- JP2573680B2 JP2573680B2 JP63310755A JP31075588A JP2573680B2 JP 2573680 B2 JP2573680 B2 JP 2573680B2 JP 63310755 A JP63310755 A JP 63310755A JP 31075588 A JP31075588 A JP 31075588A JP 2573680 B2 JP2573680 B2 JP 2573680B2
- Authority
- JP
- Japan
- Prior art keywords
- porous film
- film
- fiber composite
- heat
- moisture permeability
- 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 - Fee Related
Links
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は透湿性と防水性を有する多孔性フィルム−繊
維複合体に関し、さらに詳しくは紙おしめのバックシー
ト、防水衣料、防水手袋等の用途に適する多孔性複合フ
ィルムおよびその製造方法に関する。Description: TECHNICAL FIELD The present invention relates to a porous film-fiber composite having moisture permeability and waterproofness, and more specifically, to uses such as a backsheet of paper diapers, waterproof clothing, and waterproof gloves. And a method for producing the same.
防水衣料等の材料としては、一般的に孔径約100μｍ
以下の微孔を多数有する、透湿度約500g/m2・24hr以上
のものが要求されている。従来このような材料として、
多孔性フィルムや、多孔性フィルムに不織布を熱圧着し
たもの等が知られている。その例として特開昭60−1990
37号記載のように、ポリエチレン等に微粒子状の無機物
を混合し製膜後延伸することにより多孔化したもの、ポ
リエチレン等に微粒子状無機物を混合し製膜後エンボス
を付与し、さらに延伸することにより多孔質化したもの
（特開昭62−167332号）等が知られている。前記の多孔
質フィルムは、透湿性を大きくするために膜厚をできる
だけ薄くしている。しかも破断伸度が約200％以上と大
きく、低伸長時（伸長率10％）の強力も約2kg/5cm以下
と低い。従ってわずかの応力でも伸び易く、このような
フィルムは一旦伸びると歪が残ったり、透湿度が変化す
る等の欠点を有していた。As a material for waterproof clothing, etc., generally the pore size is about 100μm.
It is required to have a water vapor permeability of about 500 g / m 2 · 24 hr or more, which has many of the following micropores. Conventionally, as such a material,
A porous film, a non-woven fabric formed by thermocompression bonding of a porous film, and the like are known. For example, Japanese Patent Application Laid-Open No. 60-1990
As described in No. 37, those obtained by mixing fine particles of inorganic material with polyethylene and the like and then stretching after film formation and being porous, mixing fine particles of inorganic material with polyethylene and the like, imparting emboss after film formation, and further stretching. And the like (Japanese Patent Application Laid-Open No. 62-167332). The porous film is made as thin as possible in order to increase the moisture permeability. Moreover, the elongation at break is as large as about 200% or more, and the strength at low elongation (elongation rate 10%) is as low as about 2kg / 5cm or less. Therefore, the film is easily stretched even by a slight stress, and such a film has a drawback that once it is stretched, distortion remains or moisture permeability changes.
低伸長時の強力を上げる目的で、多孔性フィルムに不
織布を熱接着することも試みられてはいるが、熱接着す
るとフィルムの微孔を塞ぐことになり、透湿性が極端に
低下する。Attempts have been made to heat bond a nonwoven fabric to a porous film for the purpose of increasing the strength at low elongation, but when heat bonding is performed, the pores of the film are closed, and the moisture permeability is extremely reduced.
本発明の目的は、透湿度が500g/m2・24hr以上と高
く、かつ低伸長時の強力の大きい、伸びにくい多孔性フ
ィルム−繊維複合体およびその製法を提供することにあ
る。An object of the present invention is to provide a porous film-fiber composite having high moisture permeability as high as 500 g / m 2 · 24 hr or more and having high strength at low elongation and low elongation, and a method for producing the same.
本発明に係る多孔性フィルム−繊維複合体は、多孔性
フィルムに、熱接着成分としてエチレン−メチルメタク
リレート共重合体を含有する熱接着性複合繊維を30wt％
以上含有するウェブまたは不織布を積層させ、熱圧着面
積５〜40％で分散状に熱圧着させてなる、透湿度が500g
/m2・24hr以上を有するものである。The porous film-fiber composite according to the present invention comprises a porous film containing 30% by weight of a thermoadhesive conjugate fiber containing an ethylene-methyl methacrylate copolymer as a thermoadhesive component.
A web or non-woven fabric containing the above is laminated and thermocompression bonded in a thermocompression bonding area with a thermocompression bonding area of 5 to 40%.
/ m and has a higher 2 · 24 hr or.
またその製法は、多孔性フィルムに、熱接着成分とし
てエチレン−メチルメタクリレート共重合体を含有する
熱接着性複合繊維を30wt％以上含有するウェブまたは不
織布を重ね合せ、凸部面積５〜40％のエンボスロースを
用い、多孔性フィルムの融点より以下、熱接着性複合繊
維の熱接着温度以上の温度で熱圧着することを特徴とす
る。In addition, the production method is such that a web or nonwoven fabric containing at least 30 wt% of a heat-adhesive conjugate fiber containing an ethylene-methyl methacrylate copolymer as a heat-adhesive component is superimposed on a porous film, and the convex area is 5 to 40%. It is characterized in that thermocompression bonding is carried out at a temperature lower than the melting point of the porous film and higher than the heat bonding temperature of the thermoadhesive conjugate fiber by using embothrose.
以下、本発明について詳述する。 Hereinafter, the present invention will be described in detail.
本発明に用いる多孔性フィルムの素材としては、低密
度ポリエチレン（LDPE）、線状低密度ポリエチレン（Ｌ
−LDPE）等のポリオレフィン、ポリアミド、ポリエステ
ル、ウレタン樹脂、エチレン−酢酸ビニル樹脂等の熱可
塑性樹脂、セルロース系樹脂、ポリアクリル系等の樹脂
が用いられる。より好ましくはLDPE,L−LDPE等である。As the material of the porous film used in the present invention, low density polyethylene (LDPE), linear low density polyethylene (L
-LDPE), thermoplastic resins such as polyolefins, polyamides, polyesters, urethane resins, and ethylene-vinyl acetate resins, cellulose resins, and polyacrylic resins. More preferred are LDPE, L-LDPE and the like.
上記多孔性フィルムは、透湿度500g/m2・24hr以上を
有するが、このようなフィルムは、上記の樹脂に粒子径
約７μｍ以下の微粉末を添加混合し、溶融製膜後一軸ま
たは二軸延伸し孔径約100μｍ以下に多孔化するか、ま
たは多孔化後さらに溶剤処理し微粉末の一部を溶出する
ことによって得られる。微粉末の具体例としては、炭酸
カルシウム、炭酸マグネシウム、硫酸バリウム、けいそ
う土、ゼオライト、ガラスビーズ等の無機系微粉末、パ
ルプ系、粉状熱硬化性樹脂等の有機系微粉末等があげら
れる。多孔性フィルムの厚みは、約0.05〜1mmであれば
前記用途として十分である。The porous film has a water vapor permeability of 500 g / m 2 · 24 hr or more. Such a film is prepared by adding and mixing a fine powder having a particle diameter of about 7 μm or less to the above resin, and forming a uniaxial or biaxial film after melt film formation. It can be obtained by stretching and making it porous to a pore diameter of about 100 μm or less, or by making it more porous and eluted a part of the fine powder. Specific examples of the fine powder include inorganic fine powders such as calcium carbonate, magnesium carbonate, barium sulfate, diatomaceous earth, zeolite and glass beads, and organic fine powders such as pulp-based and powdery thermosetting resins. Can be If the thickness of the porous film is about 0.05 to 1 mm, it is sufficient for the above use.
本発明に用いるウェブまたは不織布は、熱接着成分と
してエチレン−メチルメタクレート共重合体を含有する
熱接着性複合繊維30wt％以上（好ましくは50〜100wt
％）と他の繊維70wt％以下を混合したものが用いられ
る。前記エチレン−メチルメタクリレート共重合体はメ
ルトフロレート２〜500g/10分、融点60〜100℃（エチレ
ンとメチルメタクリレートの共重合比はエチレン90〜60
％、メチルメタクリレート10〜40％）であるものが好ま
しい。The web or nonwoven fabric used in the present invention is a heat-adhesive conjugate fiber containing an ethylene-methyl methacrylate copolymer as a heat-adhesive component at least 30% by weight (preferably 50 to 100% by weight).
%) And 70% by weight or less of other fibers. The ethylene-methyl methacrylate copolymer has a melt flow rate of 2 to 500 g / 10 minutes and a melting point of 60 to 100 ° C. (the copolymerization ratio of ethylene and methyl methacrylate is ethylene 90 to 60).
%, Methyl methacrylate 10 to 40%).
上記複合繊維の熱接着成分中に含有する上記共重合体
量は5wt％以上が好ましく、より好ましくは15〜100wt％
である。他の熱接着成分としては、LDPE、Ｌ−LDPE、高
密度ポリエチレン（HDPE）、PP、低融点ポリエステル、
低融点ポリアミド等が用いられる。複合繊維の他成分
（高融点成分）としては、PP、PET、ポリアミド等の、
低融点成分よりも融点が約20℃以上高いものが用いられ
る。複合繊維の複合形態としては、好ましい繊度は約0.
05〜〜30D/fであり、鞘芯形、並列形等が用いられる。
該複合繊維100wt％または30wt％以上と他の繊維70wt％
以下とを混合し、ウェブまたは不織布に加工される。不
織布等の目付は特に限定されない。The amount of the copolymer contained in the heat bonding component of the composite fiber is preferably 5% by weight or more, more preferably 15 to 100% by weight.
It is. Other thermal adhesive components include LDPE, L-LDPE, high density polyethylene (HDPE), PP, low melting polyester,
A low melting point polyamide or the like is used. Other components of the composite fiber (high melting point component) include PP, PET, polyamide, etc.
Those having a melting point higher than that of the low melting point component by about 20 ° C. or more are used. As the composite form of the composite fiber, the preferred fineness is about 0.
05 to 30 D / f, and a sheath-core type, a parallel type and the like are used.
100% by weight or 30% by weight of the composite fiber and 70% by weight of other fibers
The following are mixed and processed into a web or nonwoven fabric. The basis weight of the nonwoven fabric or the like is not particularly limited.
本発明でウェブまたは不織布を多孔性フィルムに積層
させる理由は、多孔性フィルムを補強し、厚みが薄いも
のであっても、低伸長時の強力を上げ、伸びにくくする
とともに、風合のソフト化を図るためである。The reason why the web or nonwoven fabric is laminated on the porous film in the present invention is that the porous film is reinforced, and even if the thickness is thin, the strength at the time of low elongation is increased, the elongation is reduced, and the feeling is softened. It is for planning.
本発明の多孔性フィルム−複合体は、上記のように得
られた多孔性フィルムとウェブまたは不織布を積層さ
せ、熱圧着面積５〜40％で線状または点状に不連続に熱
圧着して得られる、透湿度が500g/m2・24hr以上を有す
るものである。多孔性フィルム−複合体の透湿度が500g
/m2・24hrに達しない場合、または透湿度が500g/m2・24
hr以上であっても、熱接着面積が５％に達しない場合に
は、防水衣料等に用いた場合透湿性が低すぎたり、低応
力下での強力の向上が十分でなくなる。熱接着面積が40
％を越える場合にも透湿度が大幅に低下する。The porous film-composite of the present invention is obtained by laminating the porous film obtained as described above and a web or a nonwoven fabric, and thermocompression-bonding the wire or dot discontinuously in a thermocompression area of 5 to 40%. It has a moisture permeability of 500 g / m 2 · 24 hr or more. The moisture permeability of the porous film-composite is 500 g
/ m 2 · If 24hr not reach or moisture permeability 500 g / m 2 · 24,
If the heat-bonded area does not reach 5% even if it is longer than hr, the moisture permeability is too low when used for waterproof clothing or the strength is not sufficiently improved under low stress. Thermal bonding area is 40
%, The moisture permeability is significantly reduced.
前記のエンボス状に熱圧着するには、例えば凸型また
は凹型および凸型が均一に分布した一対の加熱エンボス
ロール間に前記複合体を通過させればよい。加熱エンボ
スロールの温度はエンボス部でのピンホールの発生を阻
止するために多孔性フィルムの融点より以下、熱接着性
複合繊維の熱接着温度以上が好ましい。熱接着温度以上
とは、エチレン−メチルメタクリレート共重合体の融点
以上の温度をいい、好ましくは約60〜110℃である。In order to perform thermocompression bonding in the above-mentioned embossed shape, for example, the composite may be passed between a pair of heated embossing rolls in which convex or concave and convex are uniformly distributed. The temperature of the heated embossing roll is preferably lower than the melting point of the porous film and higher than the heat bonding temperature of the heat bonding conjugate fiber in order to prevent the generation of pinholes in the embossed portion. The temperature higher than the heat bonding temperature means a temperature higher than the melting point of the ethylene-methyl methacrylate copolymer, and is preferably about 60 to 110 ° C.
本発明の複合フィルムは、利用目的に応じ多孔性フィ
ルムの片側に不織布等が熱圧着したもののみならず、両
側に熱圧着したもの、または多孔性フィルムが２層以上
有するもの等でもよい。The composite film of the present invention may be not only a non-woven fabric having a non-woven fabric bonded to one side of the porous film but also a thermo-compressed film on both sides, or a porous film having two or more layers, depending on the purpose of use.
以下、本発明を実施例によりさらに詳述する。なお実
施例の物性等の測定は下記に示す方法で行った。Hereinafter, the present invention will be described in more detail by way of examples. The measurement of the physical properties and the like in the examples was performed by the following methods.
強伸度：試料のタテ方向及びヨコ方向に長さ20cm幅5c
mの試片各５枚を切り取り、引張試験機を用い、試長10c
m引張速度10cm/minで測定。10％伸長時の強力及び破断
時の強力と伸度の平均値を示す。Strong elongation: 20cm long and 5c wide in the vertical and horizontal directions of the sample
Cut out 5 pieces of each test piece with a length of 10c using a tensile tester.
m Measured at a tensile speed of 10 cm / min. The strength at 10% elongation and the average value of strength at break and elongation are shown.
剥離強力:JIS−Ｌ−1086に準ずる。幅5cmの試料の一
端を手で10cm剥離し、引張強度試験機で縦、横方向の剥
離強力を測定した。Peel strength: according to JIS-L-1086. One end of a sample having a width of 5 cm was peeled by 10 cm by hand, and the peel strength in the vertical and horizontal directions was measured by a tensile strength tester.
透湿度:JIS−Ｚ−208に準ずる。 Moisture permeability: according to JIS-Z-208.
実施例および比較例で用いた不織布を第１表に示す。 Table 1 shows the nonwoven fabrics used in the examples and comparative examples.
実施例１〜３、比較例１〜４ 多孔性フィルムとして、LDPEに微粉末炭酸カルシウム
（粒径約2.5μｍ）を添加混合し溶融製膜後、一軸延伸
することにより製造したものを用いた。このフィルムは
膜厚70μｍ、透湿度3980g/m2、24hr、微孔の最大孔径60
μｍであった。Examples 1 to 3 and Comparative Examples 1 to 4 A porous film produced by adding and mixing fine powdered calcium carbonate (particle size: about 2.5 μm) with LDPE, forming a melt film, and then uniaxially stretching the film was used. This film has a thickness of 70 μm, a moisture permeability of 3980 g / m 2 , 24 hours, and a maximum pore diameter of 60
μm.
複合体用不織布として、第１表に示す製法により得ら
れた不織布（ａ）、（ｂ）、（ｃ）、（ｄ）を用いた。Nonwoven fabrics (a), (b), (c), and (d) obtained by the production methods shown in Table 1 were used as the nonwoven fabrics for composites.
多孔性フィルムおよび不織布を積層し、上側が凸部面
積19.5％のエンボスロース、下側がフラットロールの熱
圧着装置を用い、多孔性フィルム側をエンボスロールと
し熱圧着した。熱圧着条件はエンボスロール温度90℃、
フラットロール温度も90℃とし、線圧9kg/cm、加工速度
5m/分で実施例１、２、３、比較例２の多孔性フィルム
−繊維複合体をそれぞれ得た。 The porous film and the nonwoven fabric were laminated, and the upper side was thermocompressed using an embossing roll with a convex area of 19.5% and the lower side using a flat roll thermocompression device, with the porous film side as an embossing roll. The thermocompression bonding conditions are emboss roll temperature 90 ° C,
Flat roll temperature is 90 ℃, linear pressure 9kg / cm, processing speed
The porous film-fiber composites of Examples 1, 2, and 3 and Comparative Example 2 were obtained at 5 m / min.
エンボスロールの代りにフラットロールを用いた以外
は実施例１と同一条件で熱圧着し比較例３、４の複合フ
ィルムをそれぞれ得た。このようにして得た複合フィル
ムの物性を第２表に記載した。The composite films of Comparative Examples 3 and 4 were obtained by thermocompression bonding under the same conditions as in Example 1 except that a flat roll was used instead of the embossing roll. The physical properties of the composite film thus obtained are shown in Table 2.
第２表より本発明の実施例１、２、３の複合体は10％
伸長時の強力3.5kg/5cm以上、剥離強力250g/5cm以上と
高く、かつ透湿度も3200g/m2・24hr以上と良好なことが
判る。この複合フィルムは防水衣料、紙おしめのバック
シート等として好適である。 According to Table 2, the complex of Examples 1, 2, and 3 of the present invention was 10%
It can be seen that the strength at the time of elongation is 3.5 kg / 5 cm or more, the peel strength is 250 g / 5 cm or more, and the moisture permeability is good at 3200 g / m 2 · 24 hr or more. This composite film is suitable as a waterproof garment, a back sheet for paper diapers, and the like.
一方、不織布を複合しない比較例１のフィルムは透湿
度は大であるが10％伸長時の強力が2kg/5cm以下と低
い。不織布として、熱接着成分中にEMMAを含まない比較
例２の複合体は剥離強力が低い。フラットロールを用い
て熱圧着した比較例３、４の複合体はいずれも透湿度が
低い。On the other hand, the film of Comparative Example 1 in which the nonwoven fabric is not combined has a high moisture permeability, but has a low strength at 10% elongation of 2 kg / 5 cm or less. As a nonwoven fabric, the composite of Comparative Example 2 containing no EMMA in the heat bonding component has a low peel strength. The composites of Comparative Examples 3 and 4, which were thermocompression bonded using flat rolls, all have low moisture permeability.
〔発明の効果〕 本発明の多孔性フィルム−繊維複合体は、接着力の強
いEMMA含有複合繊維を不織布等として用い、エンボス状
で熱圧着しているので、熱圧着面積が小の状態でも低伸
長時の強力が大きい、伸びにくい、透湿度が大である等
の効果を有する。本発明の複合体は透湿性を有する防水
衣料、紙おしめのカバー材、防水手袋等の材料として広
く利用される。[Effect of the Invention] Since the porous film-fiber composite of the present invention uses EMMA-containing composite fiber having a strong adhesive force as a nonwoven fabric and is thermocompression-bonded in an embossed shape, even if the thermocompression bonding area is small, it is low. It has effects such as high strength during elongation, difficulty in elongation, and high moisture permeability. The composite of the present invention is widely used as a material for waterproof clothing having moisture permeability, a cover material for paper diapers, waterproof gloves, and the like.
Claims (3)
レン−メチルメタクリレート共重合体を含有する熱接着
性複合繊維を30wt％以上含有するウェブまたは不織布を
積層させ、熱圧着面積５〜40％で分散状に熱圧着させて
なる、透湿度が500g/m2・24hr以上の多孔性フィルム−
繊維複合体。1. A porous film is laminated with a web or a nonwoven fabric containing at least 30% by weight of a thermoadhesive conjugate fiber containing an ethylene-methyl methacrylate copolymer as a thermoadhesive component, and has a thermocompression bonding area of 5 to 40%. distributed shape by thermocompression bonding comprising, moisture permeability 500g / m 2 · 24hr or more porous films -
Fiber composite.
g/5cm以上の物性を有する請求項（１）記載の多孔性フ
ィルム−繊維複合体。2. A 10% elongation strength of 2 kg / 5 cm or more, a peel strength of 100
The porous film-fiber composite according to claim 1, which has physical properties of g / 5 cm or more.
レン−メチルメタクリレート共重合体を含有する熱接着
性複合繊維を30wt％以上含有するウェブまたは不織布を
重ね合せ、凸部面積５〜40％のエンボスロースを用い、
多孔性フィルムの融点より以下、熱接着性複合繊維の熱
接着温度以上の温度で熱圧着することを特徴とする多孔
性フィルム−繊維複合体の製法。3. A web or nonwoven fabric containing 30% by weight or more of a heat-adhesive conjugate fiber containing an ethylene-methyl methacrylate copolymer as a heat-adhesive component is superimposed on a porous film. Using embossed roast,
A method for producing a porous film-fiber composite, comprising thermocompression bonding at a temperature not higher than the melting point of the porous film and not lower than the heat bonding temperature of the thermoadhesive conjugate fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63310755A JP2573680B2 (en) | 1988-12-08 | 1988-12-08 | Porous film-fiber composite and method for producing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63310755A JP2573680B2 (en) | 1988-12-08 | 1988-12-08 | Porous film-fiber composite and method for producing the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02155639A JPH02155639A (en) | 1990-06-14 |
| JP2573680B2 true JP2573680B2 (en) | 1997-01-22 |
Family
ID=18009090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63310755A Expired - Fee Related JP2573680B2 (en) | 1988-12-08 | 1988-12-08 | Porous film-fiber composite and method for producing the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2573680B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2715948B1 (en) * | 1994-02-09 | 1996-04-12 | Peaudouce | Coated nonwoven material, process for obtaining it and its use in a disposable absorbent hygiene article. |
| ATE242349T1 (en) * | 1994-11-23 | 2003-06-15 | Bba Nonwovens Simpsonville Inc | EXPANDABLE COMPOSITE NON-WOVENS |
| JP3457481B2 (en) * | 1996-09-05 | 2003-10-20 | 花王株式会社 | Composite sheet and absorbent article using the same |
| EP2212106B1 (en) * | 2007-11-13 | 2017-06-28 | E. I. du Pont de Nemours and Company | Breathable waterproof garment |
| JP6997563B2 (en) * | 2017-09-08 | 2022-01-17 | 株式会社イノアックコーポレーション | Breathable waterproof sheet and clothing fabric |
-
1988
- 1988-12-08 JP JP63310755A patent/JP2573680B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02155639A (en) | 1990-06-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5910225A (en) | Film and nonwoven laminate and method | |
| US4748070A (en) | Film/fiber laminates | |
| US6271155B1 (en) | Composite sheet comprising a non-woven fabric and a film | |
| CA2130168A1 (en) | Hydraulically entangled, autogenous-bonding, nonwoven composite fabric | |
| JP2573680B2 (en) | Porous film-fiber composite and method for producing the same | |
| CA2117684A1 (en) | Soft stretchable composite fabric | |
| JP2849929B2 (en) | Moisture permeable laminate | |
| WO1988002604A1 (en) | Protective garment material and construction | |
| EP0301624B1 (en) | Multi-ply films of high impact strength and tear strength, process for their production and their use | |
| JP3474044B2 (en) | Laminate | |
| JP2001030395A (en) | Laminated processed paper | |
| JPH0354156Y2 (en) | ||
| JPS581218B2 (en) | Laminated dry nonwoven fabric and its manufacturing method | |
| JPH05247764A (en) | Composite flat yarn and laminated sheets using the same | |
| JPH0740485A (en) | Laminate sheet and its manufacture | |
| JPS609056A (en) | Separator for alkaline battery | |
| JPH11151785A (en) | Laminated sheet, its production, and back sheet of disposable diaper using laminated sheet | |
| JPH0556910B2 (en) | ||
| JP2567028B2 (en) | Nonwoven sheet and metal foil composite | |
| JPH01266261A (en) | Bonding of nonwoven fabric | |
| JP3283320B2 (en) | Manufacturing method of laminated molded products | |
| JP2675847B2 (en) | Water repellent interlining for clothing | |
| JPS6328640A (en) | Molding ceiling material for automobile | |
| JPS6328963A (en) | Production of composite sheet like article | |
| JPH0532216B2 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |