JP2011168906A - Ultraviolet curable inkjet printing material - Google Patents
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- 239000000463 material Substances 0.000 title claims abstract description 37
- 238000007641 inkjet printing Methods 0.000 title claims abstract description 30
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims abstract description 47
- 239000004744 fabric Substances 0.000 claims abstract description 35
- 239000002759 woven fabric Substances 0.000 claims abstract description 22
- 238000001035 drying Methods 0.000 claims abstract description 20
- 239000011247 coating layer Substances 0.000 claims abstract description 18
- 239000000835 fiber Substances 0.000 claims description 10
- 229920000728 polyester Polymers 0.000 claims description 10
- 239000004753 textile Substances 0.000 claims description 4
- 238000007639 printing Methods 0.000 abstract description 33
- 238000005406 washing Methods 0.000 abstract description 13
- 238000000576 coating method Methods 0.000 abstract description 7
- 230000000740 bleeding effect Effects 0.000 abstract description 6
- 239000011248 coating agent Substances 0.000 abstract description 5
- 238000004140 cleaning Methods 0.000 abstract description 4
- 239000000976 ink Substances 0.000 description 19
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 15
- 238000005108 dry cleaning Methods 0.000 description 12
- 239000003431 cross linking reagent Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 239000012948 isocyanate Substances 0.000 description 7
- 150000002513 isocyanates Chemical class 0.000 description 7
- 239000000203 mixture Substances 0.000 description 6
- 238000003490 calendering Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 239000004721 Polyphenylene oxide Substances 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 238000009472 formulation Methods 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 229920000570 polyether Polymers 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 238000002508 contact lithography Methods 0.000 description 2
- 238000009990 desizing Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 239000012209 synthetic fiber Substances 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 238000003848 UV Light-Curing Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000001723 curing Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920001692 polycarbonate urethane Polymers 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
Abstract
Description
本発明は、紫外線硬化型インクジェット印刷用素材に関し、特に織物を基布として用いた紫外線硬化型インクジェット印刷用素材に関する。 The present invention relates to an ultraviolet curable ink jet printing material, and more particularly to an ultraviolet curable ink jet printing material using a woven fabric as a base fabric.
従来、繊維製品の品質及び／又は取扱い表示（クリーニング表示等）を示すケアラベルとして、織物を基布とした各種のケアラベルが知られている。 2. Description of the Related Art Conventionally, various types of care labels based on fabrics are known as care labels that indicate the quality and / or handling indication (cleaning indication, etc.) of textile products.
ケアラベルへの表示の印刷方法としては、サーマルヘッドによるインクリボンの熱転写が一般的である。しかしながら、熱転写は接触印字であるため、織物などの表面の凹凸が大きい素材にはインクが転写されない、いわゆる印字抜け部分が発生する。 As a printing method for displaying on a care label, thermal transfer of an ink ribbon by a thermal head is generally used. However, since thermal transfer is contact printing, a so-called print missing portion is generated in which ink is not transferred to a material having a large surface irregularity such as a fabric.
上記問題の解決策として、基布を熱カレンダー処理した後、印字面にウレタン樹脂層を設けることが提案されている（特許文献１等）。しかしながら、熱転写には、インクリボンの廃棄問題、カラー印刷が困難等の問題があるため、これらの問題を根本的に解決した技術の開発が望まれている。 As a solution to the above problem, it has been proposed to provide a urethane resin layer on the printing surface after heat-calendering the base fabric (Patent Document 1, etc.). However, thermal transfer has problems such as ink ribbon disposal problems and difficulty in color printing. Therefore, development of a technology that fundamentally solves these problems is desired.
熱転写の問題を解決する方法としてインクジェット印刷がある。インクジェット印刷は、印刷が非接触であり、鮮明且つ高精細な印刷が可能である。そして、インクジェット印刷に用いられるインクには水性、油性及び溶剤系があり、織物を印刷素材とする例として、水性インク用印刷素材（特許文献２等）、油性インク用印刷素材（特許文献３等）などが開示されている。 Ink jet printing is a method for solving the problem of thermal transfer. Ink jet printing is non-contact printing and enables clear and high-definition printing. Ink used for inkjet printing includes water-based, oil-based, and solvent-based inks. Examples of using fabric as a printing material include water-based ink printing materials (such as Patent Document 2) and oil-based ink printing materials (such as Patent Document 3). ) Etc. are disclosed.
しかしながら、上記公知の水性インク用印刷素材又は油性インク用印刷素材を用いてケアラベルを作製した場合には、それぞれ耐洗濯性、耐ドライクリーニング性が不十分であることから、繰り返して洗濯又はドライクリーニングに供される繊維製品のケアラベルとして使用することができない。また、油性及び溶剤系インクには、揮発成分の毒性、火災の危険性、ノズルの目詰まりが発生し易い等の問題がある。 However, when a care label is prepared using the above known water-based ink printing material or oil-based ink printing material, washing resistance and dry cleaning resistance are insufficient. It cannot be used as a care label for textile products used in Oil-based and solvent-based inks also have problems such as toxicity of volatile components, fire hazard, and nozzle clogging.
これらの従来品の問題の解決策として、紫外線や電子線等の活性エネルギー線硬化型インクが提案されている。このインクは基本的に無溶剤であり、水性や油性溶剤系インクのような問題点がない。 As a solution to the problems of these conventional products, active energy ray-curable inks such as ultraviolet rays and electron beams have been proposed. This ink is basically solvent-free and does not have the problems like water-based or oil-based solvent-based inks.
このように、活性エネルギー線硬化型インクは、他のインクに対して優位性を持つが、現状ではコート紙、フィルム等を対象として実用化されているものの、織物や不織布のように表面に凹凸があり、インクの浸透性がある基材への印刷は困難とされている。なお、特許文献４には、布帛にＵＶ硬化型インクジェット印刷により表示を印刷し、ケアラベルとして用いることが記載されているが、耐洗濯性及び耐ドライクリーニング性の両方において、未だ改善の余地がある。 As described above, the active energy ray curable ink has an advantage over other inks, but at present, it is practically used for coated paper, film, etc., but the surface is uneven like a woven or non-woven fabric. Therefore, it is difficult to print on a substrate having ink permeability. In addition, Patent Document 4 describes that a display is printed on a cloth by UV curable ink jet printing and used as a care label, but there is still room for improvement in both washing resistance and dry cleaning resistance. .
ケアラベルには、印字の鮮明さ（滲みがない）が要求されるとともに、優れた耐洗濯性と耐ドライクリーニング性が要求されることから、これらを満足する印刷素材（特に朱子織物）の開発が切望されている。 Care labels are required to have clear print (no bleeding) and excellent washing resistance and dry cleaning resistance. Therefore, the development of printing materials (especially satin woven fabrics) that satisfy these requirements has been developed. Longed for.
本発明は、紫外線硬化型インクジェット印刷により表示を印字した場合に、鮮明な印刷（滲みがない）が可能であるとともに、ケアラベルとして使用した場合に優れた耐洗濯性及び耐ドライクリーニング性を発揮する紫外線硬化型インクジェット印刷用素材を提供することを目的とする。 The present invention is capable of clear printing (no bleeding) when a display is printed by ultraviolet curable ink jet printing, and exhibits excellent washing resistance and dry cleaning resistance when used as a care label. It aims at providing the raw material for ultraviolet curing type inkjet printing.
本発明者は、上記目的を達成すべく鋭意研究を重ねた結果、織物からなる基布の片面又は両面に特定のウレタン樹脂コーティング層を形成した場合には上記目的を達成できることを見出し、本発明を完成するに至った。 As a result of intensive studies to achieve the above object, the present inventor has found that the above object can be achieved when a specific urethane resin coating layer is formed on one or both sides of a woven fabric base fabric. It came to complete.
即ち、本発明は、下記の紫外線硬化型インクジェット印刷用素材に関する。
１．織物からなる基布の片面又は両面にウレタン樹脂コーティング層が形成された紫外線硬化型インクジェット印刷用素材であって、
前記ウレタン樹脂コーティング層は、１００％モジュラスが１〜１０ＭＰａのウレタン樹脂の溶液を、前記ウレタン樹脂の乾燥後の付着量が各面あたり２〜１０ｇ／ｍ２となるように塗布・乾燥することにより形成されている、
ことを特徴とする紫外線硬化型インクジェット印刷用素材。
２．前記織物は、ポリエステル繊維織物である、上記項１に記載の紫外線硬化型インクジェット印刷用素材。
３．前記織物は、朱子織物である、上記項１又は２に記載の紫外線硬化型インクジェット印刷用素材。
４．繊維製品の品質及び／又は取扱い表示を示すケアラベルに用いられる、上記項１〜３のいずれかに記載の紫外線硬化型インクジェット印刷用素材。
That is, the present invention relates to the following ultraviolet curable ink jet printing material.
1. A UV-curable ink-jet printing material in which a urethane resin coating layer is formed on one or both sides of a base fabric made of woven fabric,
The urethane resin coating layer is formed by applying and drying a urethane resin solution having a 100% modulus of 1 to 10 MPa so that the adhesion amount after drying of the urethane resin is 2 to 10 g / m 2 per surface. Formed,
An ultraviolet curable ink jet printing material characterized by the above.
2. Item 2. The ultraviolet curable ink jet printing material according to Item 1, wherein the fabric is a polyester fiber fabric.
3. Item 3. The ultraviolet curable ink jet printing material according to Item 1 or 2, wherein the fabric is a satin fabric.
4). Item 4. The ultraviolet curable ink jet printing material according to any one of Items 1 to 3, which is used for a care label indicating a quality and / or handling indication of a textile product.
以下、本発明の紫外線硬化型インクジェット印刷用素材について詳細に説明する。 Hereinafter, the ultraviolet curable ink jet printing material of the present invention will be described in detail.
本発明の紫外線硬化型インクジェット印刷用素材は、織物からなる基布の片面又は両面にウレタン樹脂コーティング層が形成されており、
前記ウレタン樹脂コーティング層は、１００％モジュラスが１〜１０ＭＰａのウレタン樹脂の溶液を、前記ウレタン樹脂の乾燥後の付着量が各面あたり２〜１０ｇ／ｍ２となるように塗布・乾燥することにより形成されていることを特徴とする。
The ultraviolet curable ink jet printing material of the present invention has a urethane resin coating layer formed on one side or both sides of a base fabric made of woven fabric,
The urethane resin coating layer is formed by applying and drying a urethane resin solution having a 100% modulus of 1 to 10 MPa so that the adhesion amount after drying of the urethane resin is 2 to 10 g / m 2 per surface. It is formed.
上記特徴を有する本発明の紫外線硬化型インクジェット印刷用素材は、特に織物からなる基布の片面又は両面に特定のウレタン樹脂コーティング層が形成されていることにより、紫外線硬化型インクジェット印刷により表示を印字した場合に、鮮明な印刷（滲みがない）が可能であるとともに、ケアラベルとして使用した場合に優れた耐洗濯性及び耐ドライクリーニング性を発揮する。以下では、鮮明な印刷を「印刷発色が良い」、耐洗濯性を「洗濯堅牢性」、耐ドライクリーニング性を「ドライクリーニング堅牢性」とも言い、特に両者の堅牢性をまとめて「堅牢性」とも言う。 The ultraviolet curable ink jet printing material of the present invention having the above-described features is printed with ultraviolet curable ink jet printing, in particular, by forming a specific urethane resin coating layer on one or both sides of a woven fabric base fabric. In this case, clear printing (no bleeding) is possible, and excellent washing resistance and dry cleaning resistance are exhibited when used as a care label. In the following, clear printing is also called “printing color is good”, washing resistance is “washing fastness”, and dry cleaning resistance is “dry cleaning fastness”. Also say.
繊維としては、ポリエステル、ポリアミド、ポリウレタン等の合成繊維、アセテート等の半合成繊維、レーヨン等の再生繊維、セルロース繊維等の天然繊維等が挙げられる。これらの繊維は単独のみならず、それらの混紡、混繊、芯鞘構造で使用してもよい。これらの繊維の中でも特に寸法安定性、加工適性、価格面でポリエステル繊維が好ましい。 Examples of the fibers include synthetic fibers such as polyester, polyamide and polyurethane, semi-synthetic fibers such as acetate, regenerated fibers such as rayon, and natural fibers such as cellulose fibers. These fibers may be used not only independently but also in a mixed spinning, mixed fiber or core-sheath structure. Among these fibers, polyester fibers are particularly preferable in terms of dimensional stability, processability, and cost.
これらの織物は平織物又は朱子織物のいずれでもよく、特に平滑感及び光沢感を得る場合には、朱子織物が好ましい。 These woven fabrics may be either plain woven fabrics or satin woven fabrics, and in particular, satin woven fabrics are preferable in order to obtain smoothness and gloss.
本発明では、上記基布の片面又は両面にウレタン樹脂コーティング層を形成する。このウレタン樹脂コーティング層は、織物の風合いを損なうことなく、印刷発色及び堅牢性を付与することができる。そして、本発明では、ウレタン樹脂コーティング層は、１００％モジュラスが１〜１０ＭＰａ（好ましくは、１〜７ＭＰａ）のウレタン樹脂の溶液を、前記ウレタン樹脂の乾燥後の付着量が片面あたり２〜１０ｇ／ｍ２（好ましくは、２〜６ｇ／ｍ２）となるように塗布・乾燥することにより形成する。 In the present invention, a urethane resin coating layer is formed on one side or both sides of the base fabric. The urethane resin coating layer can impart printing color and fastness without impairing the texture of the fabric. In the present invention, the urethane resin coating layer is a urethane resin solution having a 100% modulus of 1 to 10 MPa (preferably 1 to 7 MPa), and the adhesion amount after drying of the urethane resin is 2 to 10 g / per side. m 2 (preferably, 2~6g / m 2) is formed by applying and drying such that.
ウレタン樹脂の１００％モジュラスが１ＭＰａ未満の場合には、塗膜の粘着度が増したり、ドライクリーニング堅牢性が不十分となる場合がある。また、１０ＭＰａを超える場合には、印刷インクが滲んだり風合いが硬くなる場合がある。 When the 100% modulus of the urethane resin is less than 1 MPa, the adhesion of the coating film may increase or the dry cleaning fastness may be insufficient. On the other hand, if it exceeds 10 MPa, the printing ink may bleed or the texture may become hard.
ウレタン樹脂の乾燥後の付着量が片面あたり２ｇ／ｍ２未満の場合には、印刷インクが滲んだり、ドライクリーニング堅牢性が不十分となる場合がある。また、１０ｇ／ｍ２を超える場合には、風合いが硬くなる場合がある。 If the adhesion amount of the urethane resin after drying is less than 2 g / m 2 per side, the printing ink may bleed or the dry cleaning fastness may be insufficient. Moreover, when it exceeds 10 g / m < 2 >, a texture may become hard.
ウレタン樹脂としては、１００％モジュラスの値が上記範囲である限り限定されない。例えば、ポリエステル系、ポリエステル／ポリエーテル系、ポリエーテル系、ポリカーボネート系等のいずれでもよく、原料となるイソシアネート及びポリオールの配合割合を変えることで１００％モジュラスの値を調整することができる。 The urethane resin is not limited as long as the value of 100% modulus is within the above range. For example, any of polyester, polyester / polyether, polyether, polycarbonate and the like may be used, and the value of 100% modulus can be adjusted by changing the blending ratio of isocyanate and polyol as raw materials.
また、必要に応じて、イソシアネート系架橋剤、顔料、多孔質粉末等の添加剤を加えても良い。特に、イソシアネート系架橋剤で架橋させると洗濯堅牢性、ドライクリーニング堅牢性等を向上させることができる。 Moreover, you may add additives, such as an isocyanate type crosslinking agent, a pigment, and a porous powder, as needed. In particular, when crosslinked with an isocyanate-based crosslinking agent, washing fastness, dry cleaning fastness, and the like can be improved.
ウレタン樹脂の溶液を調製するために用いる有機溶剤としては、例えば、トルエン、メチルエチルケトン、酢酸エチル、ジメチルホルムアミド等が挙げられる。本発明では、これらの有機溶剤で調製したウレタン樹脂の溶液を織物の片面又は両面に塗布する。ここで、織物の片面のみを印刷面とする場合には、片面のみに塗布すればよく、織物の両面を印刷面とする場合には、両面に塗布する。 Examples of the organic solvent used for preparing the urethane resin solution include toluene, methyl ethyl ketone, ethyl acetate, dimethylformamide, and the like. In the present invention, a urethane resin solution prepared with these organic solvents is applied to one or both sides of the fabric. Here, when only one side of the fabric is used as the printing surface, it may be applied only to one side. When both sides of the fabric are used as the printing surface, application is performed on both sides.
本発明では、ウレタン樹脂の乾燥後の付着量を片面あたり２〜１０ｇ／ｍ２とし、好ましくは２〜６ｇ／ｍ２とする。このような付着量に設定することにより、織物の風合いを損なうことなく、印刷発色性及び堅牢性を付与することができる。なお、ウレタン樹脂の乾燥後の付着量は片面あたり２〜１０ｇ／ｍ２の範囲から適宜設定できるが、風合いを柔らかくすることを重視する場合には、ウレタン樹脂コーティング層を基布の片面に形成するか、又は両面に形成する場合にウレタン樹脂の乾燥後の付着量を減らすことにより調整することができる。 In the present invention, the deposition amount after drying of the urethane resin per one surface 2 to 10 g / m 2, preferably between 2 to 6 g / m 2. By setting such an adhesion amount, it is possible to impart printing color development and fastness without impairing the texture of the fabric. In addition, the adhesion amount after drying of the urethane resin can be appropriately set from the range of 2 to 10 g / m 2 per side. However, when emphasizing softening the texture, the urethane resin coating layer is formed on one side of the base fabric. In the case of forming on both sides, it can be adjusted by reducing the adhesion amount after drying of the urethane resin.
ウレタン樹脂塗膜の形成方法としては、従来公知の方法を用いればよく、ドクターコーティング方式、グラビア方式、含浸加工方式、ロータリースクリーン方式が例示される。 As a method for forming the urethane resin coating film, a conventionally known method may be used, and a doctor coating method, a gravure method, an impregnation processing method, and a rotary screen method are exemplified.
ウレタン樹脂の塗布後、乾燥させることにより乾燥塗膜を得る。乾燥方法は限定されず、自然乾燥又は加熱乾燥、更には水槽内で凝固させた後に加熱乾燥させてもよい。 A dry coating film is obtained by drying after application of the urethane resin. The drying method is not limited, and may be naturally dried or heat dried, and further solidified in a water tank and then heat dried.
又、光沢を出すなどの目的で、織物またはウレタン樹脂を塗布・乾燥後にカレンダー加工を行っても良い。 Further, for the purpose of giving a gloss or the like, calendering may be performed after applying or drying a woven fabric or urethane resin.
本発明の紫外線硬化型インクジェット印刷用素材は、特に織物からなる基布の片面又は両面に特定のウレタン樹脂コーティング層が形成されていることにより、紫外線硬化型インクジェット印刷により表示を印字した場合に、鮮明な印刷（滲みがない）が可能であるとともに、ケアラベルとして使用した場合に優れた耐洗濯性及び耐クリーニング性を発揮する。 The ultraviolet curable ink-jet printing material of the present invention has a specific urethane resin coating layer formed on one side or both sides of a base fabric made of a woven fabric in particular. Visible printing (no bleeding) is possible, and when used as a care label, it exhibits excellent washing resistance and cleaning resistance.
本発明の紫外線硬化型インクジェット印刷用素材は、特に織物からなる基布の片面又は両面に特定のウレタン樹脂コーティング層が形成されていることにより、紫外線硬化型インクジェット印刷により表示を印字した場合に、鮮明な印刷（滲みがない）が可能であるとともに、ケアラベルとして使用した場合に優れた耐洗濯性及び耐クリーニング性を発揮する。 The ultraviolet curable ink-jet printing material of the present invention has a specific urethane resin coating layer formed on one side or both sides of a base fabric made of a woven fabric in particular. Visible printing (no bleeding) is possible, and when used as a care label, it exhibits excellent washing resistance and cleaning resistance.
以下に実施例及び比較例を示して本発明を具体的に説明する。但し、本発明は実施例に限定されない。 The present invention will be specifically described below with reference to examples and comparative examples. However, the present invention is not limited to the examples.
実施例１〜２及び比較例１〜２
糊抜、精練されたポリエステル繊維の５枚朱子織物にカレンダー加工（１６０℃）したものを基布として用意した。なお、経糸は５６ｄｔｅｘ／３６ｆ、密度２７０本／ｉｎｃｈとし、緯糸は５６ｄｔｅｘ／２４ｆ、密度１１０本／ｉｎｃｈとした。
Examples 1-2 and Comparative Examples 1-2
A base fabric was prepared by calendering (160 ° C.) a five-ply satin woven fabric of polyester fibers that had been subjected to desizing and scouring. The warp was 56 dtex / 36f and the density was 270 pieces / inch, and the weft was 56 dtex / 24f and the density was 110 pieces / inch.
上記基布に、下記配合Ａのウレタン樹脂塗料を、下記表１に示す各付着量となるようにドクターコーティング方式により塗布・乾燥し、カレンダー加工（１００℃）を行うことで印刷用素材を得た。 The above-mentioned base fabric is coated and dried with a urethane resin paint of the following formulation A by a doctor coating method so as to have the respective adhesion amounts shown in Table 1 below, and a printing material is obtained by performing calendar processing (100 ° C.). It was.
＜配合Ａ＞ ハイムレンＹ−２６１−１ＮＳ １００部
（ポリエーテル系ウレタン樹脂、大日精化工業製、１００％モジュラス：２ＭＰａ）
レザミンＸ架橋剤（イソシアネート系架橋剤、大日精化工業製）２部
メチルエチルケトン ４０部
実施例３〜４及び比較例３〜４
ウレタン樹脂塗料の組成以外は実施例１と同様にして、下記表１に示す各付着量となるように塗布・乾燥し、カレンダー加工（１００℃）を行うことで印刷用素材を得た。
<Formulation A> Heimlen Y-261-1NS 100 parts (polyether-based urethane resin, manufactured by Dainichi Seika Kogyo, 100% modulus: 2 MPa)
Rezamin X cross-linking agent (isocyanate-based cross-linking agent, manufactured by Dainichi Seika Kogyo) 2 parts
40 parts of methyl ethyl ketone
Examples 3-4 and Comparative Examples 3-4
Except for the composition of the urethane resin paint, it was applied and dried in the same manner as in Example 1 so as to achieve the respective adhesion amounts shown in Table 1 below, and a calendering (100 ° C.) was performed to obtain a printing material.
＜配合Ｂ＞ ラックスキンＵ１４２５−１ １００部
（ポリエステル系ウレタン樹脂、セイコー化成製、１００％モジュラス：５ＭＰａ）
レザミンＸ架橋剤（イソシアネート系架橋剤、大日精化工業製）２部
メチルエチルケトン ４０部
実施例５〜６及び比較例５〜６
ウレタン樹脂塗料の組成以外は実施例１と同様にして、下記表１に示す各付着量となるように塗布・乾燥し、カレンダー加工（１００℃）を行うことで印刷用素材を得た。
<Blend B> 100 parts of rack skin U1425-1 (polyester urethane resin, manufactured by Seiko Chemical Industries, 100% modulus: 5 MPa)
Rezamin X cross-linking agent (isocyanate-based cross-linking agent, manufactured by Dainichi Seika Kogyo) 2 parts
40 parts of methyl ethyl ketone
Examples 5-6 and Comparative Examples 5-6
Except for the composition of the urethane resin paint, it was applied and dried in the same manner as in Example 1 so as to achieve the respective adhesion amounts shown in Table 1 below, and a calendering (100 ° C.) was performed to obtain a printing material.
＜配合Ｃ＞ ラックスキンＵ２２４５ １００部
（ポリエステル系ウレタン樹脂、セイコー化成製、１００％モジュラス：７ＭＰａ）
レザミンＸ架橋剤（イソシアネート系架橋剤、大日精化工業製）２部
メチルエチルケトン ４０部
実施例７
糊抜、精練されたポリエステル平織り織物を基布として用意した。なお、経糸は５６ｄｔｅｘ／２０ｆ、密度１０５本／ｉｎｃｈとし、緯糸は８４ｄｔｅｘ／３６ｆ、密度８５本／ｉｎｃｈとした。
<Combination C> 100 parts of rack skin U2245 (polyester urethane resin, manufactured by Seiko Kasei, 100% modulus: 7 MPa)
Rezamin X cross-linking agent (isocyanate-based cross-linking agent, manufactured by Dainichi Seika Kogyo) 2 parts
40 parts of methyl ethyl ketone
Example 7
A polyester plain weave fabric that has been sized and refined was prepared as a base fabric. The warp was 56 dtex / 20f and the density was 105 / inch, and the weft was 84 dtex / 36f and the density was 85 / inch.
基布以外は実施例３と同様にして、下記表１に示す付着量となるように塗布・乾燥して印刷用素材を得た。 Except for the base fabric, in the same manner as in Example 3, the material for printing was obtained by applying and drying so as to obtain the adhesion amount shown in Table 1 below.
実施例８
糊抜、精練、晒しされた綿平織り織物を基布として用意した。なお、経糸は４０番手、密度９５本／ｉｎｃｈとし、緯糸は４０番手、密度６０本／ｉｎｃｈとした。
Example 8
A plain cotton woven fabric that had been desizing, scoured and exposed was prepared as a base fabric. The warp was 40 count and the density was 95 / inch, and the weft was 40 count and the density was 60 / inch.
基布以外は実施例３と同様にして、下記表１に示す付着量となるように塗布・乾燥して印刷用素材を得た。 Except for the base fabric, in the same manner as in Example 3, the material for printing was obtained by applying and drying so as to obtain the adhesion amount shown in Table 1 below.
比較例７
実施例１で使用した基布単体（ウレタン樹脂コーティング層の無いもの）を比較例７とした。
Comparative Example 7
The base fabric used alone in Example 1 (without the urethane resin coating layer) was used as Comparative Example 7.
比較例８
ウレタン樹脂塗料の組成以外は実施例１と同様にして、下記表１に示す付着量となるように塗布・乾燥し、カレンダー加工（１００℃）を行うことで印刷用素材を得た。
Comparative Example 8
Except for the composition of the urethane resin coating material, a printing material was obtained in the same manner as in Example 1 by applying and drying so as to achieve the adhesion amount shown in Table 1 below and performing calendar processing (100 ° C.).
＜配合Ｄ＞ クリスボンＭＰ８６５ＰＳ １００部
（ポリカーボネート系ウレタン樹脂、ＤＩＣ製、１００％モジュラス：１１ＭＰａ）
レザミンＸ架橋剤（イソシアネート系架橋剤、大日精化工業製）２部
メチルエチルケトン ５０部
上記により得られた印刷用素材に、コニカミノルタ製インクジェットヘッド（３６０ｄｐｉ）搭載の紫外線硬化型インクジェットプリンタ及びＴ＆Ｋ ＴＯＫＡ製の紫外線硬化型インク（ＵＶＩＪブラック）によって印刷を施してケアラベルを作成した。
<Formulation D> Crisbon MP865PS 100 parts (polycarbonate urethane resin, manufactured by DIC, 100% modulus: 11 MPa)
Rezamin X cross-linking agent (isocyanate-based cross-linking agent, manufactured by Dainichi Seika Kogyo) 2 parts
50 parts of methyl ethyl ketone The printing material obtained as described above was printed with a Konica Minolta inkjet head (360 dpi) UV curable inkjet printer and T & K TOKA UV curable ink (UVIJ black) to create a care label. .
作成したケアラベルについて、印刷発色、光沢、洗濯堅牢性、ドライクリーニング堅牢性及び風合いを評価した。評価基準は次の通りであり、評価結果は下記表１に示す。 About the produced care label, printing color development, glossiness, washing fastness, dry cleaning fastness, and texture were evaluated. The evaluation criteria are as follows, and the evaluation results are shown in Table 1 below.
印刷発色：○…文字が鮮明に読み取れる、△…文字が滲んで読み取り難い、×…文字が滲んで読み取れない
洗濯堅牢性：ＪＩＳ Ｌ ０８４４ Ａ−３法を１０回後の印字変退色を級判定した。
Printing color: ○… Character can be read clearly, Δ… Character is blurred and difficult to read, ×… Character is blurred and cannot be read Washing fastness: JIS L 0844 A-3 method 10 times after printing discoloration did.
ドライクリーニング堅牢性（表中ではドライ堅牢性と表記）：ＪＩＳ Ｌ ０８６０ Ａ−１法を１０回後の印字変退色を級判定した。 Fastness to dry cleaning (denoted as dry fastness in the table): The color fading after 10 times of JIS L 0860 A-1 method was evaluated.
風合い：○…風合いがソフト、△…やや硬い、×…硬い Texture: ○… Soft texture, △… Slightly hard, ×… Hard
表１の結果からも明らかなように、本発明のウレタン樹脂コーティング層を形成することにより、朱子織物を用いた場合でも、朱子織物の特長である光沢感を維持しつつ性能の優れた紫外線硬化型インクジェット印刷用素材が得られることがわかる。 As is clear from the results in Table 1, by forming the urethane resin coating layer of the present invention, even when using a satin fabric, UV curing with excellent performance while maintaining the glossiness characteristic of the satin fabric. It turns out that the type | mold inkjet printing material is obtained.
Claims (4)
前記ウレタン樹脂コーティング層は、１００％モジュラスが１〜１０ＭＰａのウレタン樹脂の溶液を、前記ウレタン樹脂の乾燥後の付着量が各面あたり２〜１０ｇ／ｍ２となるように塗布・乾燥することにより形成されている、
ことを特徴とする紫外線硬化型インクジェット印刷用素材。 A UV-curable ink-jet printing material in which a urethane resin coating layer is formed on one or both sides of a base fabric made of woven fabric,
The urethane resin coating layer is formed by applying and drying a urethane resin solution having a 100% modulus of 1 to 10 MPa so that the adhesion amount after drying of the urethane resin is 2 to 10 g / m 2 per surface. Formed,
An ultraviolet curable ink jet printing material characterized by the above.
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| JPS60190393A (en) * | 1984-03-13 | 1985-09-27 | Dynic Corp | Printing sheet and manufacture thereof |
| JPH05188862A (en) * | 1992-01-09 | 1993-07-30 | Mitsubishi Rayon Co Ltd | Label for printed name |
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