JPH01201589A - Production of patterned nonwoven fabric - Google Patents
Production of patterned nonwoven fabricInfo
- Publication number
- JPH01201589A JPH01201589A JP16785188A JP16785188A JPH01201589A JP H01201589 A JPH01201589 A JP H01201589A JP 16785188 A JP16785188 A JP 16785188A JP 16785188 A JP16785188 A JP 16785188A JP H01201589 A JPH01201589 A JP H01201589A
- Authority
- JP
- Japan
- Prior art keywords
- nonwoven fabric
- dyeing
- pattern
- patterned
- embossed
- 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.)
- Pending
Links
- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 55
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 238000004043 dyeing Methods 0.000 claims abstract description 15
- 229920002994 synthetic fiber Polymers 0.000 claims abstract description 7
- 239000012209 synthetic fiber Substances 0.000 claims abstract description 7
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 7
- 239000004416 thermosoftening plastic Substances 0.000 claims abstract description 7
- 239000000835 fiber Substances 0.000 claims description 13
- 238000004049 embossing Methods 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 10
- 239000004952 Polyamide Substances 0.000 description 3
- 229920002647 polyamide Polymers 0.000 description 3
- 239000004753 textile Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Landscapes
- Decoration Of Textiles (AREA)
Abstract
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は模様付き不織布に関する。[Detailed description of the invention] [Industrial application field] The present invention relates to patterned nonwoven fabrics.
現在不織布はその強靭性、安価大量生産性等の優れた特
性により各種の用途に用いられている。Currently, nonwoven fabrics are used for various purposes due to their excellent properties such as toughness and low cost and mass productivity.
このような用途の中には、例えば包装材料や壁紙等の如
く、装飾を目的として各種の模様が付されていることが
より好ましい分野がある。従来この種を分野に不織布を
用いる場合には、無色又は色付き不織布に捺染あるいは
印刷を施して模様を付けたり、あるいはエンボス加工に
よって立体的な型付けによる形状だけの模様が付与され
ている。−この場合、捺染又は印刷は平面上での色模様
付けであり、高級感、立体感に乏しく、かつ通常の浸染
工程より複雑な手数の要する工程であり、この工程を用
いることは模様付き不織布の製造コストの上昇を伴い、
安価大量供給の不織布を製造するためには好ましくない
。又立体的な形状だけの模様では、その模様効果が貧弱
であって用途分野が限定されることになる。また捺染ま
たは印刷での模様付は部に合せ、エンボスで立体的形状
を組合せることもあり得るが工程上複雑であり、図柄を
合せることも難しくコスト高となる。Among these uses, there are fields in which it is preferable to have various patterns attached for decorative purposes, such as packaging materials and wallpaper. Conventionally, when nonwoven fabrics are used in this type of field, a colorless or colored nonwoven fabric is given a pattern by printing or printing, or a three-dimensional pattern is given by embossing. - In this case, textile printing or printing involves color patterning on a flat surface, which lacks a sense of luxury and three-dimensionality, and is a process that is more complex and time-consuming than the normal dyeing process. With the increase in manufacturing costs,
This is not preferable for producing nonwoven fabrics that can be supplied in large quantities at low cost. Moreover, a pattern consisting only of three-dimensional shapes has a poor pattern effect, and the field of application is limited. Furthermore, patterns can be added by textile printing or printing to match the area, and three-dimensional shapes can be combined by embossing, but the process is complicated and it is difficult to match the designs, resulting in high costs.
またエンボスで立体的形状を付与した後、このエンボス
周辺の繊維層に着色インキを含浸させ、隅どり模様とす
ることも知られているが（特開昭５７−１６１１７８号
公報参照）、この方法ではインキ量のコントロールが微
妙であり、さらにインキの脱落防止用のビヒクル樹脂が
必要であり、繊維の風合を損なうという問題が発生する
。It is also known that after giving a three-dimensional shape by embossing, the fiber layer around the embossing is impregnated with colored ink to create a corner pattern (see JP-A-57-161178), but this method However, the control of the amount of ink is delicate, and a vehicle resin is required to prevent the ink from falling off, resulting in the problem of spoiling the texture of the fibers.
前述のように、従来公知の模様付き不織布の製造方法は
その製造コスト又はその模様効果について種々の問題点
を有する。本発明は従来公知の模様付き不織布の製造方
法が有する欠点を解消して優れた模様効果を有すると共
に安価大量に供給することができる模様付き不織布の製
造方法を提供することを目的とする。As mentioned above, the conventionally known methods for producing patterned nonwoven fabrics have various problems regarding the production cost or the pattern effect. SUMMARY OF THE INVENTION An object of the present invention is to provide a method for producing a patterned nonwoven fabric that eliminates the drawbacks of conventionally known methods for producing a patterned nonwoven fabric, has an excellent pattern effect, and can be supplied in large quantities at low cost.
本発明者等は前述の問題点を解決すべく鋭意研究の結果
、熱可塑性合成繊維不織布を熱圧着すると、熱圧着され
た部分では染料の吸着速度、吸着炭が異なり劣ること、
はとんど元の不織布の色並みの無色か条件を選定するこ
とで色が付いても圧着されてない他の部分より淡色にし
か染色されないこと、さらにその部分が光沢を有し他の
部分から浮上った光り具合を示すことに着目し、本発明
に到達した。As a result of intensive research to solve the above-mentioned problems, the present inventors found that when thermoplastic synthetic fiber nonwoven fabrics are thermocompression bonded, the dye adsorption speed and adsorbed carbon are different and inferior in the thermocompression bonded area.
By selecting conditions, the non-woven fabric should be colorless, similar to the color of the original non-woven fabric, or even if it is colored, it will only be dyed in a lighter color than the other parts that are not crimped, and furthermore, that part will be shiny and the other parts will be dyed. The present invention was developed by focusing on showing the degree of brightness that emerged from the surface.
本発明の目的は熱可塑性合成繊維から成る不織布に、加
熱押圧によってフィルム的な凹模様が形成されるような
温度と圧力条件下でエンボス加工して凹模様部分の繊維
を変形、密着させ、次いで該不織布を凹模様部分に対し
て染着の遅い染料で染色することを特徴とする、均一に
染色された非圧着部と、実質的に無色又は非圧着部より
同一系統色彩で淡色である凹模様部分（好ましくは表裏
共に実質的に無色又は非圧着部より同一系統色彩で淡色
である凹模様部分）を有する模様付き不織布の製造方法
によって達成される。The object of the present invention is to emboss a nonwoven fabric made of thermoplastic synthetic fibers under temperature and pressure conditions that form a film-like concave pattern by heating and pressing, deforming and adhering the fibers in the concave pattern area, and then The non-woven fabric is characterized by dyeing the concave pattern portion with a dye that is slow to dye, and has a non-crimped portion that is uniformly dyed, and a concave portion that is substantially colorless or lighter in color in the same color system as the non-crimped portion. This is achieved by a method for producing a patterned nonwoven fabric having a patterned portion (preferably a concave patterned portion that is substantially colorless on both the front and back sides or a concave patterned portion that is the same color and lighter in color than the non-crimped portion).
前記熱可塑性合成繊維不織布はいわゆるスパンボンド法
による長繊維不織布、あるいは短繊維不織布の何れであ
ってもよい。ただしエンボス後で浸染し得るものである
ことが必要であり、特に浸染に耐えるものとしてスパン
ボンド法によるウェブを熱圧着法で接合したものが好ま
しいと言える。The thermoplastic synthetic fiber nonwoven fabric may be either a long fiber nonwoven fabric produced by a so-called spunbond method or a short fiber nonwoven fabric. However, it is necessary that the web can be immersed and dyed after embossing, and it is preferable to use a spunbond web joined by thermocompression bonding as a material that is particularly resistant to immersion dyeing.
次に本発明による製造方法によって作られた模様付き不
織布の一実施例を示す添付図面を参照して本発明を詳述
する。Next, the present invention will be described in detail with reference to the accompanying drawings showing an example of a patterned nonwoven fabric produced by the production method according to the present invention.
第１図に本発明による製造方法によって作られた模様付
き不織布の一実施例の平面図を示し、第２図に第１図の
線■−■による断面図を示す。FIG. 1 shows a plan view of an embodiment of a patterned nonwoven fabric produced by the manufacturing method of the present invention, and FIG. 2 shows a cross-sectional view taken along line 1--2 in FIG.
第１図に示す実施例の不織布１はポリアミド長繊維を用
い、且つ複数のポリアミド繊維の交絡が千鳥状の熱圧着
部３１で行われているスパンボンド不織布である。本発
明に係る不織布にはさらに複数の絵柄状のエンボス部３
２と複数本の縞状のエンボス部３３が付与されている。The nonwoven fabric 1 of the embodiment shown in FIG. 1 is a spunbond nonwoven fabric in which polyamide long fibers are used and a plurality of polyamide fibers are intertwined at staggered thermocompression bonding parts 31. The nonwoven fabric according to the present invention further includes a plurality of pattern-shaped embossed portions 3.
2 and a plurality of striped embossed portions 33 are provided.
前記エンボス部３１．３２．３３では第２図の断面図に
略示するように、不織布１が圧縮され、その部分では複
数の構成フィラメント単糸４が密着状態になってフィル
ム化している。その結果エンボス部３１．３２．３３以
外の不織布部分２が青色であるのに対し、エンボス部３
１，３２．３３の部分は同一色相の薄い色、すなわち淡
青色を呈する。In the embossed portions 31, 32, and 33, as schematically shown in the cross-sectional view of FIG. 2, the nonwoven fabric 1 is compressed, and the plurality of constituent filaments 4 are in close contact with each other to form a film. As a result, while the nonwoven fabric portion 2 other than the embossed portions 31, 32, and 33 is blue, the embossed portion 3
The portions 1, 32, and 33 exhibit a light color of the same hue, that is, pale blue.
この場合エンボス部３１は１個の面積が小さく、かつ散
点状に配置された熱圧着部であって視覚的に濃淡差を見
分は難く、したがって特定の意匠効果が乏しい。本発明
に係る不織布では熱圧着部３２゜３３によってきわめて
立体感と濃度差の高い特定の意匠効果が与えられている
。In this case, each of the embossed parts 31 has a small area and is a thermocompression bonded part arranged in a scattered manner, so that it is difficult to visually distinguish the difference in shade, and therefore, a specific design effect is poor. In the nonwoven fabric according to the present invention, the thermocompression bonded portions 32 and 33 provide a specific design effect with an extremely three-dimensional effect and a high density difference.
なお第１図および第２図に示した実施例には多数の熱圧
着部３１で複数の単糸フィラメントが交絡されたスパン
ボンド不織布にエンボスと濃度差による模様が付与され
た模様付き不織布が示されたが、前記不織布が溶着性を
有する長繊維を混用して複数の単糸フィラメントを交絡
したスパンボンド不織布であってもよい。The examples shown in FIGS. 1 and 2 show a patterned nonwoven fabric in which a spunbond nonwoven fabric in which a plurality of single filaments are intertwined at a large number of thermocompression bonding parts 31 is given a pattern by embossing and density difference. However, the nonwoven fabric may be a spunbond nonwoven fabric in which a plurality of single filaments are intertwined by mixing long fibers with weldability.
又第１図および第２図に示した不織布１ではポリアミド
長繊維が用いられているが、ポリエチレンテレフタレー
ト繊維、ポリアクリルニトリル繊維等の他の熱可塑性合
成繊維またその混合、複合したものを用いてもよい。Although polyamide long fibers are used in the nonwoven fabric 1 shown in FIGS. 1 and 2, other thermoplastic synthetic fibers such as polyethylene terephthalate fibers and polyacrylonitrile fibers, or mixtures and composites thereof may also be used. Good too.
次に本発明による模様付き不織布の製造方法の一例を示
し、併せて模様部分の色の差を測定する。Next, an example of a method for manufacturing a patterned nonwoven fabric according to the present invention will be shown, and the difference in color of the patterned portion will also be measured.
先ず単糸２ｄのナイロンフィラメントを溶融紡糸し、こ
れを用いて目付１００ ｇ ／ ｍ”のウェブを作る。First, 2 d of single nylon filaments are melt-spun and used to make a web with a basis weight of 100 g/m''.
このウェブの上に千鳥状に配置された突起部を有するエ
ンボスローラを用いて、不織布表面全体に対する面積比
率が１２％に相当する部分熱圧着部３１を形成する。こ
の時のエンボスローラの温度は２００℃／である。次に
第１図に示した絵柄状のエンボス部３２と縞状のエンボ
ス部３３に相当する突起部を有する別のエンボスローラ
を用いて温度１９０℃、線圧２０ｋｇ／Ｃｍでエンボス
加工をする。この場合のエンボス加工は高温のエンボス
ロールと可撓性ロールの組合せて行ってもよいが、熱圧
着による模様を鮮明にするためには金属／金属ロールの
組合せが好ましい。このようにして得られたエンボス加
工された不織布を次に通常の染色方法によって青色に染
色する。その結果前記エンボス加工された部分３１，３
２．３３以外の不織布部分２が全体に青色に染色されて
いるのに、エンボス部３１，３２．３３は、僅かに淡青
色に染められているのに過ぎず、不織布１の表面上に抜
き柄状の顕著な模様が付与される。Using an embossing roller having protrusions arranged in a staggered manner on this web, partial thermocompression bonded parts 31 having an area ratio of 12% to the entire surface of the nonwoven fabric are formed. The temperature of the embossing roller at this time was 200°C. Next, embossing is performed at a temperature of 190° C. and a linear pressure of 20 kg/cm using another embossing roller having protrusions corresponding to the pattern-like embossed portions 32 and striped embossed portions 33 shown in FIG. In this case, the embossing process may be performed using a combination of a high-temperature embossing roll and a flexible roll, but a metal/metal roll combination is preferred in order to make the pattern created by thermocompression bonding clear. The embossed nonwoven fabric thus obtained is then dyed blue by conventional dyeing methods. As a result said embossed portion 31,3
Although the entire nonwoven fabric portion 2 other than 2.33 is dyed blue, the embossed portions 31, 32.33 are only slightly dyed pale blue, and are not cut out on the surface of the nonwoven fabric 1. A prominent pattern is imparted.
この場合、染色条件、特に時間を短縮してエンボス模様
部が染着開始する前に染色終了することで、また染着の
遅い染料を選定することで、さらにまた染料量の選定で
エンボス模様部を白く残すことも可能である。In this case, by shortening the dyeing conditions, especially the time, and finishing dyeing before the embossed pattern starts dyeing, by selecting a slow dyeing dye, and by selecting the amount of dye, the embossed pattern can be dyed. It is also possible to leave it white.
得られた模様付き不織布についてエンボス加工された部
分３１．３２．３３とエンボス加工されてない部分２と
の色の差をＬ′″ａ′″ ｂ９値で測定した。The difference in color between the embossed portions 31, 32, and 33 and the non-embossed portions 2 of the patterned nonwoven fabric obtained was measured using L''a''b9 values.
その結果を第１表に示す。The results are shown in Table 1.
第１表よりエンボス部分の方が白っぽくなり（Ｌ”値）
、赤より緑色によった色彩であり（ａ０値）、黄色より
青味寄りの色になっていることが判明した。すなわちエ
ンボス部分はＬ′″ａ＊ ｂ＊値で見ても色が淡色にな
っていることが証明された。From Table 1, the embossed part is whitish (L” value)
It was found that the color was more green than red (a0 value), and the color was more bluish than yellow. In other words, it was proven that the embossed portion was lighter in color even when viewed in terms of L'''a*b* values.
本発明による製造方法で作られた模様付き不織布は前述
のように色彩的に明らかな差を有すると共に光沢を有し
た立体的な模様を有する不織布である。したがって顕著
な模様効果を発揮する。又本発明に係る模様付き不織布
は不織布にエンボス加工した上で浸染染色することだけ
形成することができるので、本発明による製造方法は従
来の捺染又は印刷加工に比し、その加工コストを安価に
した上で高級感を有した良好な模様効果を付与すること
ができ、その結果安価大量供給の装飾用模様付き不織布
を得る製造方法として好適である。As described above, the patterned nonwoven fabric produced by the manufacturing method of the present invention is a nonwoven fabric that has a clear difference in color and has a three-dimensional pattern with gloss. Therefore, it exhibits a remarkable pattern effect. Furthermore, since the patterned nonwoven fabric according to the present invention can be formed by simply embossing the nonwoven fabric and then dyeing it by dyeing, the manufacturing method according to the present invention can reduce the processing cost compared to conventional textile printing or printing. In addition, it is possible to impart a good pattern effect with a luxurious feel, and as a result, it is suitable as a manufacturing method for obtaining a decorative patterned nonwoven fabric that can be supplied in large quantities at low cost.
第１図は本発明に總る模様付き不織布の一実施例を示す
平面図であり、第２図は第１図の線■−■による断面図
である。
■・・・模様付き不織布、 ２・・・非エンボス部、４
・・・不織布を構成する繊維、
３１・・・スパンボンド不織布を形成するためのエンボ
ス部、
３２．３３・・・模様用エンボス部。FIG. 1 is a plan view showing an embodiment of a patterned nonwoven fabric according to the present invention, and FIG. 2 is a sectional view taken along line 1--2 in FIG. ■...Patterned nonwoven fabric, 2...Non-embossed part, 4
... Fibers constituting the nonwoven fabric, 31... Embossed part for forming spunbond nonwoven fabric, 32.33... Embossed part for pattern.
Claims (1)
ってフィルム的な凹模様が形成されるような温度と圧力
条件下でエンボス加工して凹模様部分の繊維を変形、密
着させ、次いで該不織布を凹模様部分に対して染着の遅
い染料で染色することを特徴とする、均一に染色された
非圧着部と、実質的に無色又は非圧着部より同一系統色
彩で淡色である凹模様部分を有する模様付き不織布の製
造方法。1. A nonwoven fabric made of thermoplastic synthetic fibers is heated and pressed under such temperature and pressure conditions that a film-like concave pattern is formed, thereby deforming and adhering the fibers in the concave pattern, and then the nonwoven fabric is The concave pattern part is dyed with a slowly dyeing dye, with a non-crimped part dyed uniformly, and a concave pattern part that is substantially colorless or lighter in color in the same color scheme as the non-crimped part. A method for producing a patterned nonwoven fabric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16785188A JPH01201589A (en) | 1988-07-07 | 1988-07-07 | Production of patterned nonwoven fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16785188A JPH01201589A (en) | 1988-07-07 | 1988-07-07 | Production of patterned nonwoven fabric |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01201589A true JPH01201589A (en) | 1989-08-14 |
Family
ID=15857265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16785188A Pending JPH01201589A (en) | 1988-07-07 | 1988-07-07 | Production of patterned nonwoven fabric |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01201589A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015224403A (en) * | 2014-05-28 | 2015-12-14 | 住江織物株式会社 | Fiber fabric |
| JP2022512008A (en) * | 2018-10-15 | 2022-02-01 | ロレアル | Cosmetic goods |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51139972A (en) * | 1975-04-17 | 1976-12-02 | Ici Ltd | Manufacture of segmentally heat bonded unwoven fabrics |
| JPS5468471A (en) * | 1977-11-09 | 1979-06-01 | Japan Vilene Co Ltd | Production of nonwoven fabric with pattern |
-
1988
- 1988-07-07 JP JP16785188A patent/JPH01201589A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51139972A (en) * | 1975-04-17 | 1976-12-02 | Ici Ltd | Manufacture of segmentally heat bonded unwoven fabrics |
| JPS5468471A (en) * | 1977-11-09 | 1979-06-01 | Japan Vilene Co Ltd | Production of nonwoven fabric with pattern |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015224403A (en) * | 2014-05-28 | 2015-12-14 | 住江織物株式会社 | Fiber fabric |
| JP2022512008A (en) * | 2018-10-15 | 2022-02-01 | ロレアル | Cosmetic goods |
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