JP2007111967A - Sealing tool and its manufacturing method - Google Patents
Sealing tool and its manufacturing method Download PDFInfo
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- JP2007111967A JP2007111967A JP2005305135A JP2005305135A JP2007111967A JP 2007111967 A JP2007111967 A JP 2007111967A JP 2005305135 A JP2005305135 A JP 2005305135A JP 2005305135 A JP2005305135 A JP 2005305135A JP 2007111967 A JP2007111967 A JP 2007111967A
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- elastic body
- printing
- porous elastic
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- 238000004519 manufacturing process Methods 0.000 title abstract description 11
- 238000007789 sealing Methods 0.000 title abstract 4
- 239000004094 surface-active agent Substances 0.000 claims abstract description 67
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000011148 porous material Substances 0.000 claims abstract description 22
- 229920001971 elastomer Polymers 0.000 claims abstract description 10
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 8
- 239000000057 synthetic resin Substances 0.000 claims abstract description 8
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 8
- 239000004416 thermosoftening plastic Substances 0.000 claims abstract description 8
- 239000000758 substrate Substances 0.000 claims description 31
- -1 fatty acid ester Chemical class 0.000 claims description 28
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 14
- 229930195729 fatty acid Natural products 0.000 claims description 14
- 239000000194 fatty acid Substances 0.000 claims description 14
- 238000005470 impregnation Methods 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 12
- 230000037237 body shape Effects 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 229920001296 polysiloxane Polymers 0.000 claims description 6
- 239000003086 colorant Substances 0.000 claims description 5
- 238000009472 formulation Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 4
- 239000003599 detergent Substances 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims 1
- 239000002904 solvent Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 239000000976 ink Substances 0.000 description 63
- DNIAPMSPPWPWGF-UHFFFAOYSA-N monopropylene glycol Natural products CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 9
- 239000004698 Polyethylene Substances 0.000 description 6
- 229920000573 polyethylene Polymers 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 5
- 229920002379 silicone rubber Polymers 0.000 description 5
- 239000004945 silicone rubber Substances 0.000 description 5
- 239000003125 aqueous solvent Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 229960004063 propylene glycol Drugs 0.000 description 4
- 235000013772 propylene glycol Nutrition 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 2
- BTANRVKWQNVYAZ-UHFFFAOYSA-N butan-2-ol Chemical compound CCC(C)O BTANRVKWQNVYAZ-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 229920005992 thermoplastic resin Polymers 0.000 description 2
- IIZPXYDJLKNOIY-JXPKJXOSSA-N 1-palmitoyl-2-arachidonoyl-sn-glycero-3-phosphocholine Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](COP([O-])(=O)OCC[N+](C)(C)C)OC(=O)CCC\C=C/C\C=C/C\C=C/C\C=C/CCCCC IIZPXYDJLKNOIY-JXPKJXOSSA-N 0.000 description 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerol Natural products OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004146 Propane-1,2-diol Substances 0.000 description 1
- 239000004359 castor oil Substances 0.000 description 1
- 235000019438 castor oil Nutrition 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 229940105990 diglycerin Drugs 0.000 description 1
- GPLRAVKSCUXZTP-UHFFFAOYSA-N diglycerol Chemical compound OCC(O)COCC(O)CO GPLRAVKSCUXZTP-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 229940093476 ethylene glycol Drugs 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000000787 lecithin Substances 0.000 description 1
- 235000010445 lecithin Nutrition 0.000 description 1
- 229940067606 lecithin Drugs 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 125000006353 oxyethylene group Chemical group 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
Landscapes
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
Description
本発明は、インキ含浸用基体に水性インキを容易に浸透させることができる捺印用具とその製造法に関するものである。 The present invention relates to a printing tool that can easily allow water-based ink to penetrate into an ink-impregnated substrate and a method for producing the same.
例えば、印判またはスタンプパッド等の捺印用具に使用するインキとして、従来から水性インキが広く知られている。一方、多孔質印字体として、ＮＢＲ・シリコーン等のゴム製多孔質印字体や、ポリエチレン・ポリプロピレン・ポリウレタン等の熱可塑性樹脂製多孔質印字体も広く知られている（例えば、特許文献１〜３を参照）。しかしながら、ゴムや熱可塑性樹脂製の多孔質印字体はは疎水性であるため、水性インキを含浸させることは非常に透印を得ることが困難であった。 For example, water-based inks have been widely known as inks used for printing tools such as stamps or stamp pads. On the other hand, as a porous printed body, a porous printed body made of rubber such as NBR and silicone, and a porous printed body made of thermoplastic resin such as polyethylene, polypropylene, and polyurethane are widely known (for example, Patent Documents 1 to 3). See). However, since the porous printed body made of rubber or thermoplastic resin is hydrophobic, it is very difficult to obtain a transparent mark when impregnated with water-based ink.
そこで、メーカー側が真空含浸等の機械により多孔質印字体に水性インキを強制含浸させていたが、ユーザー自身が手作業で水性インキを含浸補充するということはできないため使い捨てとするしかなかった。また、メーカーが出荷してからユーザーが使用するまでに長時間かかった場合の品質劣化を防止したり、ユーザーの好みによって任意のカラー作成ができるように、使用に際してユーザー自身が手作業で水性インキを多孔質印字体に含浸させる形式の印判またはスタンプパッド等のニーズも出てきたが、現時点ではこのニーズに応えられる製品は開発されていないのが現状である。
本発明は上記のような問題点を解決して、使用に際しユーザー自身が手作業で水性インキを多孔質印字体に含浸させることができる捺印用具とその製造法を提供することを目的として完成されたものである。 The present invention has been completed for the purpose of solving the above-mentioned problems and providing a printing tool and a method for producing the same, in which a user can manually impregnate a porous printing body with water-based ink in use. It is a thing.
上記課題を解決するためになされた本発明の捺印用具は、ケースに組み付けられた無数の連続気孔を有する多孔質弾性体により印字体形状またはパッド形状に形成されたインキ含浸用基体に捺印用インキを含浸させて印判またはスタンプパッドとする捺印用具において、前記したインキ含浸用基体として、無数の連続気孔を有するゴム系または熱可塑性合成樹脂系の多孔質弾性体の気孔面に界面活性剤を付着させた改質多孔質弾性体を用いる一方、捺印用インキとして、前記した界面活性剤と同種の界面活性剤の適量が配合されている界面活性剤配合水性インキを用いたことを特徴とするものである。 In order to solve the above-mentioned problems, the printing tool of the present invention is a printing ink applied to a substrate for ink impregnation formed into a printed body shape or a pad shape by a porous elastic body having countless continuous pores assembled to a case. In a printing tool that is impregnated with a stamp or stamp pad, a surfactant is attached to the pore surface of a rubber-based or thermoplastic synthetic resin-based porous elastic body having numerous continuous pores as the ink-impregnated substrate. While using the modified porous elastic body, a surfactant-containing water-based ink containing an appropriate amount of the same type of surfactant as the above-described surfactant is used as a printing ink. It is.
また、本発明の捺印用具の製造法は、無数の連続気孔を有するゴム系または熱可塑性合成樹脂系の多孔質弾性体により印字体形状またはパッド形状に形成された多孔質弾性体と、この多孔質基体の組付部を有するケースと、水系溶剤に脂肪酸エステル系、アミノ酸エステル系、シリコーン系のうちから選ばれた界面活性剤を配合した改質液とをそれぞれ用意し、この改質液を前記した多孔質基体に十分含浸させたうえ脱水乾燥して気孔面に界面活性剤の適量が付着された改質多孔質弾性体よりなるインキ含浸用基体として、このインキ含浸用基体を前記した印字体ケースまたはスタンプパッドケースに印字面またはパッド面を露呈させて組み付けておく一方、これとは別に前記した界面活性剤と同種の界面活性剤の適量を着色剤とともに配合した界面活性剤配合水性インキを製造しておき、この界面活性剤配合水性インキを前記インキ含浸用基体の印字面またはパッド面に供給して内部に自然含浸させることを特徴とするものである。 Further, the manufacturing method of the stamping tool of the present invention comprises a porous elastic body formed into a printed body shape or a pad shape by a rubber-based or thermoplastic synthetic resin-based porous elastic body having innumerable continuous pores, and this porous material. A case having an assembling part of a porous substrate, and a modification liquid in which a surfactant selected from a fatty acid ester system, an amino acid ester system, and a silicone system is mixed in an aqueous solvent. The ink-impregnated substrate is used as an ink-impregnated substrate composed of a modified porous elastic body in which the porous substrate is sufficiently impregnated, dehydrated and dried and an appropriate amount of a surfactant is adhered to the pore surface. The print surface or pad surface is exposed and assembled to the font case or stamp pad case. Separately, an appropriate amount of the same type of surfactant as described above is blended with the colorant. Was leave produce surfactant formulation based ink and is characterized in that is naturally impregnated therein the detergent formulation based ink is supplied to the printing surface or pad surface of the ink impregnating body.
本発明の捺印用具は、インキ含浸用基体として、無数の連続気孔を有するゴム系または熱可塑性合成樹脂系の多孔質弾性体の気孔面に界面活性剤を付着させた改質多孔質弾性体を用いる一方、捺印用インキとして、前記した界面活性剤と同種の界面活性剤の適量が配合されている界面活性剤配合水性インキを用いたものとしたので、インキ含浸用基体に付着した界面活性剤と、水性インキに配合された界面活性剤により親水性が向上し、インキ含浸用基体に対して水性インキが吸引力等の外力を加えなくても自然に、かつ迅速に浸透することとなる。 The stamping tool of the present invention comprises a modified porous elastic body in which a surfactant is attached to the pore surface of a rubber-based or thermoplastic synthetic resin-based porous elastic body having an infinite number of continuous pores as a substrate for ink impregnation. On the other hand, as the ink for printing, a surfactant-containing water-based ink in which an appropriate amount of the same type of surfactant as that described above is used is used, so that the surfactant adhered to the substrate for ink impregnation is used. Thus, the hydrophilicity is improved by the surfactant blended in the water-based ink, and the water-based ink can permeate naturally and rapidly without applying an external force such as a suction force to the ink-impregnated substrate.
また、本発明の捺印用具の製造法によれば、気孔面に界面活性剤の適量が付着された改質多孔質弾性体よりなるインキ含浸用基体と、界面活性剤配合水性インキとを、使用に際してユーザー自身が手作業で水性インキを多孔質印字体に自然含浸させるのみで、簡単に所望の捺印用具を製造することができることとなる。 Further, according to the method for producing a printing tool of the present invention, an ink-impregnated substrate made of a modified porous elastic body having an appropriate amount of a surfactant adhered to the pore surface, and a surfactant-containing water-based ink are used. At this time, the user can easily manufacture a desired printing tool simply by manually impregnating the porous print with water-based ink manually.
以下に、本発明の好ましい形態を示す。
本発明の捺印用具は、ケースに組み付けられた無数の連続気孔を有する多孔質弾性体により印字体形状またはパッド形状に形成されたインキ含浸用基体に捺印用インキを含浸させて印判またはスタンプパッドとするものである点は、従来の捺印用具と基本的に同じである。
そして、本発明の捺印用具では、前記したインキ含浸用基体として、無数の連続気孔を有するゴム系または熱可塑性合成樹脂系の多孔質弾性体の気孔面に界面活性剤を付着させた改質多孔質弾性体を用いる一方、捺印用インキとして、前記した界面活性剤と同種の界面活性剤の適量が配合されている界面活性剤配合水性インキを用いた点を特徴としている。
Below, the preferable form of this invention is shown.
The stamping tool of the present invention includes a stamp or stamp pad formed by impregnating a base for ink impregnation formed in a printed body shape or a pad shape with a porous elastic body having countless continuous pores assembled in a case, with a stamping ink. This is basically the same as a conventional stamping tool.
In the printing tool of the present invention, the modified porous material in which a surfactant is attached to the pore surface of a rubber-based or thermoplastic synthetic resin-based porous elastic body having an infinite number of continuous pores as the above-described substrate for ink impregnation. On the other hand, a surfactant-based water-based ink in which an appropriate amount of the same type of surfactant as the above-described surfactant is blended is used as a printing ink.
即ち、インキ含浸用基体に付着した界面活性剤と、水性インキに配合された界面活性剤により親水性を向上させることで、インキ含浸用基体に対して水性インキを吸引力等の外力を加えなくても自然に、かつ迅速に浸透させることができることを見出し本発明を完成するに至ったのである。 In other words, by improving the hydrophilicity with the surfactant adhering to the ink-impregnated substrate and the surfactant blended in the water-based ink, the external force such as suction force is not applied to the ink-impregnated substrate. However, the present invention has been completed by finding that it can penetrate naturally and rapidly.
界面活性剤は、水性インキの浸透を促進させるためのものであり、親水性を付与するものが好ましいが必ずしもこれに限定される訳ではなく、親油性を付与するものものであってもよい。具体的には、グリセリン脂肪酸エステル、ジグリセリンモノ脂肪酸エステル、ポリグリセリン脂肪酸エステル、ソルビタン脂肪酸エステル、プロピレングリコール脂肪酸エステル、レシチン、プロピレングリコール脂肪酸エステル、エチレングリコール脂肪酸エステル、ポリオキシエチレングリセリルエーテル脂肪酸エステル、ポリオキシエチレン硬化ヒマシ油脂肪酸エステル、ポリオキシエチレントリメチロールプロパン脂肪酸エステル、アミノ酸エステル、シリコーン系界面活性剤等があり、これらのうちのいずれか１種または複数種を組み合わせて使用することができる。 The surfactant is for accelerating the penetration of the water-based ink, and preferably imparts hydrophilicity, but is not necessarily limited thereto, and may impart lipophilicity. Specifically, glycerin fatty acid ester, diglycerin mono fatty acid ester, polyglycerin fatty acid ester, sorbitan fatty acid ester, propylene glycol fatty acid ester, lecithin, propylene glycol fatty acid ester, ethylene glycol fatty acid ester, polyoxyethylene glyceryl ether fatty acid ester, poly There are oxyethylene hydrogenated castor oil fatty acid ester, polyoxyethylene trimethylolpropane fatty acid ester, amino acid ester, silicone surfactant, and the like, and any one or a combination of these can be used.
また、多孔質弾性体を改質する界面活性剤はＨＬＢ＝１７以下、捺印用インキに配合する界面活性剤はＨＬＢ＝７以上が好ましい。
多孔質弾性体を改質する界面活性剤がＨＬＢ＝１７より大きいと、捺印用インキ（水性インキ）の浸透時間が遅くなり、捺印用インキに配合する界面活性剤がＨＬＢ＝７未満では捺印用インキ（水性インキ）の界面活性剤が沈降し易く、インキ安定性が悪くなる。
特に多孔質弾性体を改質する界面活性剤はＨＬＢ＝２〜９、捺印用インキに配合する界面活性剤はＨＬＢ＝９〜１７の範囲が好ましい。
Further, the surfactant for modifying the porous elastic body is preferably HLB = 17 or less, and the surfactant blended in the printing ink is preferably HLB = 7 or more.
When the surfactant that modifies the porous elastic body is larger than HLB = 17, the penetration time of the printing ink (water-based ink) is delayed, and when the surfactant incorporated in the printing ink is less than HLB = 7, it is used for printing. The surfactant of the ink (water-based ink) tends to settle and the ink stability is deteriorated.
In particular, the surfactant for modifying the porous elastic body is preferably in the range of HLB = 2 to 9, and the surfactant to be blended in the printing ink is preferably in the range of HLB = 9 to 17.
また、水性インキは水と前記界面活性剤を必須成分とし、改質液は水系溶剤と前記界面活性剤を必須成分としている。ここで、水系溶剤とは水、メタノール、エタノール、ｎ−プロパノール、ｎ−ブタノール、ｓｅｃ−ブタノール、ｔｅｒｔ−ブタノール、エチレングリコール、プロピレングリコール、プロパン−1,2−ジオールから選ばれる１又は２以上のものである。 The water-based ink has water and the surfactant as essential components, and the modifying liquid has an aqueous solvent and the surfactant as essential components. Here, the aqueous solvent is one or more selected from water, methanol, ethanol, n-propanol, n-butanol, sec-butanol, tert-butanol, ethylene glycol, propylene glycol, and propane-1,2-diol. Is.
なお、捺印用具の商品流通形態や販売形態として、界面活性剤配合水性インキを容器入りとしておき、この容器入りの界面活性剤配合水性インキとこれとは別体の改質多孔質弾性体とを１つに組み合わせて包装しておくことができる。この場合は、捺印用具の購入後においてユーザー自身が手作業で水性インキを多孔質印字体に自然含浸させるのみで、簡単に所望の捺印用具を製造することができることとなり好ましい。 In addition, as a product distribution form or sales form of a stamping tool, a surfactant-containing water-based ink is placed in a container, and the surfactant-containing water-based ink contained in the container and a modified porous elastic body separately from this are used. It can be combined and packaged in one. In this case, it is preferable that a user can easily manufacture a desired printing tool simply by naturally impregnating the porous printing body with water-based ink by himself after purchasing the printing tool.
次に、本発明の捺印用具の製造法について説明する。
先ず、無数の連続気孔を有するゴム系または熱可塑性合成樹脂系の多孔質弾性体により印字体形状またはパッド形状に形成された多孔質弾性体と、この多孔質基体の組付部を有するケースと、水系溶剤に脂肪酸エステル系、アミノ酸エステル系、シリコーン系のうちから選ばれた界面活性剤を配合した改質液とをそれぞれ用意する。
そして、この改質液を前記した多孔質基体に十分含浸させたうえ脱水乾燥して気孔面に界面活性剤の適量が付着された改質多孔質弾性体よりなるインキ含浸用基体とする。
また、このインキ含浸用基体を前記した印字体ケースまたはスタンプパッドケースに印字面またはパッド面を露呈させて組み付けておく。
一方、これとは別に前記した界面活性剤と同種の界面活性剤の適量を着色剤とともに配合した界面活性剤配合水性インキを製造しておく。
そして、この界面活性剤配合水性インキを前記インキ含浸用基体の印字面またはパッド面に供給して内部に自然含浸させることにより捺印用具とする。
Next, the manufacturing method of the stamping tool of this invention is demonstrated.
First, a porous elastic body formed into a printing body shape or a pad shape by a rubber-based or thermoplastic synthetic resin-based porous elastic body having innumerable continuous pores, and a case having an assembly portion of the porous substrate A modified liquid prepared by blending a surfactant selected from fatty acid ester, amino acid ester, and silicone with an aqueous solvent is prepared.
Then, the porous substrate is sufficiently impregnated with the modified liquid, dehydrated and dried to obtain an ink-impregnated substrate made of a modified porous elastic body having an appropriate amount of a surfactant attached to the pore surface.
Further, this ink-impregnated substrate is assembled to the above-described printing body case or stamp pad case with the printing surface or pad surface exposed.
On the other hand, a surfactant-containing water-based ink is prepared in which an appropriate amount of the same type of surfactant as that described above is mixed with a colorant.
Then, the surfactant-containing water-based ink is supplied to the printing surface or pad surface of the ink-impregnating substrate and naturally impregnated therein to obtain a printing tool.
以上のような製造法により、使用に際しユーザー自身が手作業で水性インキを多孔質印字体に含浸させることができ、容易かつ即座に捺印用具を製造することができることとなる。
なお、配合水性インキをインキ含浸用基体の印字面またはパッド面に供給して内部に自然含浸させる具体的な方法としては、インキを直接滴下する方法や、インキをスタンプ台等に染み込ませておいて、このスタンプ台にインキ含浸用基体を接触させインキを吸い上げる方法などがある。
According to the manufacturing method as described above, the user can manually impregnate the porous printing body with the water-based ink in use, and the printing tool can be manufactured easily and immediately.
In addition, as a specific method of supplying the mixed water-based ink to the printing surface or pad surface of the substrate for ink impregnation and allowing the ink to naturally impregnate the interior, a method of directly dropping the ink or a method in which the ink is soaked into a stamp stand or the like. In addition, there is a method of sucking ink by bringing a substrate for ink impregnation into contact with the stamp stand.
インキ含浸用基として、ＮＢＲ製の多孔質弾性体、シリコーンゴム製の多孔質弾性体、ポリエチレン製の多孔質弾性体を準備した。
この多孔質弾性体を改質する界面活性剤を配合した改質液として、表１に示すものを作成し、この改質液（Ａ、Ｂ、Ｃ）を前記した多孔質基体に十分含浸させたうえ脱水乾燥して、気孔面に界面活性剤の適量が付着された改質多孔質弾性体よりなるインキ含浸用基体を得た。なお、改質液に配合される界面活性剤は、水１００重量部に対し０．２〜１．０重量部配合するのが好ましい。
As the ink impregnation group, a porous elastic body made of NBR, a porous elastic body made of silicone rubber, and a porous elastic body made of polyethylene were prepared.
As a modification liquid containing a surfactant that modifies the porous elastic body, a modification liquid shown in Table 1 is prepared, and the porous substrate described above is sufficiently impregnated with the modification liquid (A, B, C). Furthermore, it was dehydrated and dried to obtain an ink-impregnated substrate comprising a modified porous elastic body having an appropriate amount of a surfactant adhered to the pore surface. In addition, it is preferable to mix | blend 0.2-1.0 weight part of surfactant with respect to a modifier liquid with respect to 100 weight part of water.
一方、表２に示すように、界面活性剤の適量を着色剤とともに配合した界面活性剤配合水性インキを製造した。なお、着色剤は、染料・顔料は問わない。 On the other hand, as shown in Table 2, a surfactant-containing water-based ink in which an appropriate amount of a surfactant was blended with a colorant was produced. The colorant may be any dye or pigment.
［実施例１〜３］
表１に示す改質液（Ａ〜Ｃ）を、ＮＢＲ・シリコーンゴム・ポリエチレン製の多孔質印字体に含浸させた後、脱水乾燥させて多孔質内（気泡内）を改質したインキ含浸用基体に、表２に示す配合例の界面活性剤配合水性インキを３０ｍｌ滴下し、浸透する時間を計測した結果を、［実施例１〜３］として表４に示す。
一方、界面活性剤で改質しないＮＢＲ・シリコーンゴム・ポリエチレン製の多孔質印字体に、表２に示す配合例の界面活性剤配合水性インキを３０ｍｌ滴下し、浸透する時間を計測した結果を［比較例１］として表４に示す。
[Examples 1 to 3]
After impregnating the NBR / silicone rubber / polyethylene porous printed material with the modifying liquids (A to C) shown in Table 1, dehydrating and drying to modify the inside of the porous (inside of the bubbles) for ink impregnation Table 4 shows the results obtained by dropping 30 ml of the surfactant-containing water-based ink of the formulation example shown in Table 2 and measuring the permeation time on the substrate as [Examples 1 to 3].
On the other hand, 30 ml of the surfactant-containing water-based ink of the formulation example shown in Table 2 was dropped on a porous print body made of NBR / silicone rubber / polyethylene that was not modified with the surfactant, and the result of measuring the permeation time was [ Comparative Example 1] is shown in Table 4.
［比較例２〜５］
表１に示す改質液（Ａ〜Ｃ）を、ＮＢＲ・シリコーンゴム・ポリエチレン製の多孔質印字体に含浸させた後、脱水乾燥させて多孔質内（気泡内）を改質したインキ含浸用基体に、表２に示す配合例の界面活性剤配合水性インキから界面活性剤を除いた表３に示す水性インキを３０ｍｌ滴下し、浸透する時間を計測した結果を、［比較例２〜４］として表５に示す。更に、何も改質しないＮＢＲ・シリコーンゴム・ポリエチレン製の多孔質印字体に、界面活性剤配合水性インキから界面活性剤を除いた表３に示す水性インキを３０ｍｌ滴下し、浸透する時間を計測した結果を［比較例５］として表５に示す。
以上の実施例と比較例から、本発明ではインキ含浸用基体に対して水性インキが吸引力等の外力を加えなくても自然に、かつ迅速に浸透することが確認できた。
[Comparative Examples 2 to 5]
After impregnating the NBR / silicone rubber / polyethylene porous printed material with the modifying liquids (A to C) shown in Table 1, dehydrating and drying to modify the inside of the porous (inside of the bubbles) for ink impregnation 30 ml of the water-based ink shown in Table 3 obtained by removing the surfactant from the surfactant-containing water-based ink of the blending example shown in Table 2 was dropped on the substrate, and the results of measuring the permeation time were measured as [Comparative Examples 2 to 4]. As shown in Table 5. Furthermore, 30 ml of the water-based ink shown in Table 3 obtained by removing the surfactant from the surfactant-containing water-based ink was dropped on the NBR / silicone rubber / polyethylene porous printing body, which was not modified, and the permeation time was measured. The results are shown in Table 5 as [Comparative Example 5].
From the above Examples and Comparative Examples, it was confirmed in the present invention that water-based ink permeates naturally and rapidly without applying external force such as suction force to the ink-impregnated substrate.
Claims (5)
A porous elastic body formed into a printed body shape or a pad shape by a rubber-based or thermoplastic synthetic resin-based porous elastic body having innumerable continuous pores, a case having an assembly portion of the porous substrate, and an aqueous system A modified liquid prepared by mixing a surfactant selected from a fatty acid ester type, an amino acid ester type, and a silicone type into a solvent is prepared, and the porous substrate is sufficiently impregnated with the modified liquid and dehydrated. As an ink-impregnated substrate made of a modified porous elastic body having an appropriate amount of a surfactant adhered to the pore surface, the ink-impregnated substrate is used as a printing surface or a pad surface on the above-mentioned printing body case or stamp pad case. A surfactant-based water-based ink is prepared by mixing an appropriate amount of the same surfactant as the surfactant described above together with a colorant. And advance, the preparation of stamping tool, characterized in that to naturally impregnated therein the detergent formulation based ink is supplied to the printing surface or pad surface of the ink impregnating body.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2014180790A (en) * | 2013-03-19 | 2014-09-29 | Shachihata Inc | Porous rubber print body |
| JP2015209445A (en) * | 2014-04-24 | 2015-11-24 | 株式会社パイロットコーポレーション | Water-based ink composition for stamp and stamp including the same |
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| JPH06191133A (en) * | 1992-12-25 | 1994-07-12 | Tanikawa Shoji Kk | Production of liquid infiltrated seal |
| JPH09109410A (en) * | 1995-10-23 | 1997-04-28 | Fujitsu Ltd | Ink cartridge for ink jet recording |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06191133A (en) * | 1992-12-25 | 1994-07-12 | Tanikawa Shoji Kk | Production of liquid infiltrated seal |
| JPH09109410A (en) * | 1995-10-23 | 1997-04-28 | Fujitsu Ltd | Ink cartridge for ink jet recording |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014180790A (en) * | 2013-03-19 | 2014-09-29 | Shachihata Inc | Porous rubber print body |
| JP2015209445A (en) * | 2014-04-24 | 2015-11-24 | 株式会社パイロットコーポレーション | Water-based ink composition for stamp and stamp including the same |
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