JP2008018646A - Under film - Google Patents
Under film Download PDFInfo
- Publication number
- JP2008018646A JP2008018646A JP2006193483A JP2006193483A JP2008018646A JP 2008018646 A JP2008018646 A JP 2008018646A JP 2006193483 A JP2006193483 A JP 2006193483A JP 2006193483 A JP2006193483 A JP 2006193483A JP 2008018646 A JP2008018646 A JP 2008018646A
- Authority
- JP
- Japan
- Prior art keywords
- protective layer
- image
- under film
- adhesive layer
- layer
- 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.)
- Granted
Links
- 239000011241 protective layer Substances 0.000 claims abstract description 73
- 239000012790 adhesive layer Substances 0.000 claims abstract description 33
- 229920005992 thermoplastic resin Polymers 0.000 claims abstract description 16
- 229920001225 polyester resin Polymers 0.000 claims abstract description 7
- 239000004645 polyester resin Substances 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 description 19
- 229920005989 resin Polymers 0.000 description 12
- 239000011347 resin Substances 0.000 description 12
- 239000001993 wax Substances 0.000 description 11
- 239000000853 adhesive Substances 0.000 description 8
- 230000001070 adhesive effect Effects 0.000 description 8
- 239000010410 layer Substances 0.000 description 8
- -1 polyethylene terephthalate Polymers 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 239000004925 Acrylic resin Substances 0.000 description 5
- 229920000178 Acrylic resin Polymers 0.000 description 5
- 229920001577 copolymer Polymers 0.000 description 5
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- 235000014113 dietary fatty acids Nutrition 0.000 description 4
- 239000000194 fatty acid Substances 0.000 description 4
- 229930195729 fatty acid Natural products 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000012188 paraffin wax Substances 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 235000010724 Wisteria floribunda Nutrition 0.000 description 2
- 239000011354 acetal resin Substances 0.000 description 2
- 239000002216 antistatic agent Substances 0.000 description 2
- 239000004204 candelilla wax Substances 0.000 description 2
- 235000013868 candelilla wax Nutrition 0.000 description 2
- 229940073532 candelilla wax Drugs 0.000 description 2
- 239000004203 carnauba wax Substances 0.000 description 2
- 235000013869 carnauba wax Nutrition 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 description 2
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 2
- IUJAMGNYPWYUPM-UHFFFAOYSA-N hentriacontane Chemical compound CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC IUJAMGNYPWYUPM-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000012170 montan wax Substances 0.000 description 2
- 235000019809 paraffin wax Nutrition 0.000 description 2
- 235000019271 petrolatum Nutrition 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 2
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 229920006267 polyester film Polymers 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 229920005672 polyolefin resin Polymers 0.000 description 2
- 229920006324 polyoxymethylene Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 229920012266 Poly(ether sulfone) PES Polymers 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000007754 air knife coating Methods 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 238000007611 bar coating method Methods 0.000 description 1
- 229920006378 biaxially oriented polypropylene Polymers 0.000 description 1
- 239000011127 biaxially oriented polypropylene Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 238000007756 gravure coating Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001023 inorganic pigment Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 239000005026 oriented polypropylene Substances 0.000 description 1
- 239000004209 oxidized polyethylene wax Substances 0.000 description 1
- 235000013873 oxidized polyethylene wax Nutrition 0.000 description 1
- 239000003002 pH adjusting agent Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000011112 polyethylene naphthalate Substances 0.000 description 1
- 229920006389 polyphenyl polymer Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 239000013053 water resistant agent Substances 0.000 description 1
Landscapes
- Duplication Or Marking (AREA)
- Laminated Bodies (AREA)
- Adhesive Tapes (AREA)
Abstract
Description
画像が各種のプリンタ等で受像体上に印刷された上に、保護層転写シートを用いて保護層を設ける際に使用するアンダーフィルムに関する。
The present invention relates to an under film used when an image is printed on a receiver with various printers and a protective layer is provided using a protective layer transfer sheet.
受像体に熱転写プリンタ、インクジェットプリンタ、レーザープリンタ等で画像が印刷されたものは、画像の耐擦過性が劣ったり、耐水性、耐光性がなかったり、画像の光沢性が十分でなかったりしていた。そこで、支持体上に保護層を設けた保護層転写シートを画像面に当てて熱転写により保護層を画像面に転写して画像を保護することにより前記の問題を解決する画像保護方法が行われている。 If the image is printed on the image receptor with a thermal transfer printer, ink jet printer, laser printer, etc., the image has poor scratch resistance, water resistance and light resistance, and the image is not sufficiently glossy. It was. Therefore, an image protection method for solving the above-mentioned problem is performed by applying a protective layer transfer sheet provided with a protective layer on a support to the image surface and transferring the protective layer to the image surface by thermal transfer to protect the image. ing.
保護層は、受像体の全域に転写するため受像体の縦横のサイズより大きい保護層転写シートを用意して受像体の画像面と保護層面を面合わせして熱転写される。その際、受像体は、プレス台上やローラ上にセットされるが、保護層転写シートは受像体より大きいため受像体よりはみ出した保護層がプレス台やローラに熱転写して、プレス台やローラを汚すことがあった。そこで、特許文献１に見られるように受像体と下ロールの間にアンダーフィルムをセットしてローラの汚れを防止していた。 Since the protective layer is transferred to the entire area of the image receptor, a protective layer transfer sheet larger than the vertical and horizontal sizes of the image receptor is prepared, and the image surface of the image receptor and the surface of the protective layer are brought into thermal contact with each other. At that time, the image receiver is set on a press table or a roller, but since the protective layer transfer sheet is larger than the image receiver, the protective layer protruding from the image receiver is thermally transferred to the press table or roller, and the press table or roller It was possible to get dirty. Therefore, as seen in Patent Document 1, an under film is set between the image receiver and the lower roll to prevent the rollers from being soiled.
受像体の厚みは、数１０μｍから数１００μｍぐらいあるため受像体の端部において保護層とアンダーフィルムとの接着力が弱くなりアンダーフィルム側にきちんと熱転写しない問題があった。そうなると保護層のキレが悪くなり、保護層が転写された受像体の端部は、保護層が受像体のサイズよりはみ出した状態になり見栄えがよくないものとなっていた。 Since the thickness of the image receiving member is about several tens of μm to several hundreds of μm, there is a problem that the adhesive force between the protective layer and the under film is weak at the end of the image receiving member and the thermal transfer is not properly performed on the under film side. When this happens, the protective layer becomes less crisp, and the edge of the image receptor to which the protective layer has been transferred is in a state in which the protective layer protrudes beyond the size of the image receptor and is not attractive.
本発明は、アンダーフィルムの上に画像が印刷された受像体を重ね、画像面に保護層転写シートを重ねて保護層を熱転写して画像を保護する際に、受像体を支える支持台等に保護層の汚れを防ぎ、受像体の端部における保護層のキレをシャープにして見栄えをよくするアンダーフィルムを提供するものである。 The present invention provides a support or the like that supports an image receiving member when the image receiving member is overlaid on an under film, and a protective layer transfer sheet is overlaid on the image surface to thermally transfer the protective layer to protect the image. It is an object of the present invention to provide an under film that prevents contamination of the protective layer and sharpens the sharpness of the protective layer at the end of the image receptor to improve the appearance.
第１発明は、アンダーフィルムが支持体の上に接着層を設けたものとする。第２発明は、アンダーフィルムの接着層が熱可塑性樹脂を主材とするものである。第３発明は、熱可塑性樹脂をポリエステル樹脂とするものである。 In the first invention, the under film is provided with an adhesive layer on the support. In the second invention, the adhesive layer of the under film is mainly composed of a thermoplastic resin. In the third invention, the thermoplastic resin is a polyester resin.
保護層を受像体に熱転写する際に、本発明のアンダーフィルムを受像体の下に敷くことにより、受像体を支持するプレス台、ローラ等への保護層の汚れを防ぎ、受像体の端部における保護層のキレをシャープにすることができる。 When the protective layer is thermally transferred to the image receptor, the under film of the present invention is laid under the image receptor to prevent contamination of the protective layer on the press table, the roller, etc. that supports the image receptor, and the edges of the image receptor The sharpness of the protective layer can be sharpened.
アンダーフィルムに用いる支持体は、保護層の熱転写時において所定の加熱加圧条件下で形状を安定して維持できるような耐熱性を有するものを用いる。具体的には、ポリエチレンテレフタレート（ＰＥＴ）、二軸延伸ポリプロピレン（ＯＰＰ）、ポリエチレンナフタレート（ＰＥＮ）、ポリフェニルスルフィド（ＰＰＳ）、ポリエーテルスルフォン（ＰＥＳ）、ポリスチレン（ＰＳ）、ポリプロピレン（ＰＰ）等の樹脂フィルムを用いることができる。支持体の厚みは、取扱性、搬送性等の面から６〜５０μｍの範囲が好ましい。 As the support used for the under film, a support having heat resistance that can stably maintain the shape under a predetermined heating and pressing condition at the time of thermal transfer of the protective layer is used. Specifically, polyethylene terephthalate (PET), biaxially oriented polypropylene (OPP), polyethylene naphthalate (PEN), polyphenyl sulfide (PPS), polyether sulfone (PES), polystyrene (PS), polypropylene (PP), etc. The resin film can be used. The thickness of the support is preferably in the range of 6 to 50 μm from the viewpoints of handleability and transportability.
支持体の上に設ける接着層は、熱可塑性樹脂、ワックス類等からなるものである。熱可塑性樹脂としては、ポリエステル樹脂、エポキシ樹脂、ウレタン樹脂、エチレン重合体あるいはプロピレン重合体およびこれらの共重合体等のオレフィン系樹脂ならびに変性オレフィン系樹脂、エチレン酢酸ビニル共重合樹脂、塩化ビニリデン系樹脂、スチレン系樹脂、（メタ）アクリル酸エステル系重合体および共重合体、ポリビニルブチラール等のアセタール樹脂、石油樹脂等のタッキファイヤーが挙げられる。ワックス類としては、パラフィンワックス、カルナバワックス、キャンデリラワックス、モンタンワックス、ポリエチレン系ワックス、マレイン化ワックス、高級脂肪酸エステル、高級脂肪酸エステル塩、高
級アルコール等が挙げられる。保護層の材料と熱接着しやすい材料であることや、保護層転写シートの熱転写条件を考慮して、これらの熱可塑性樹脂、ワックス類の中から適宜選択して用いる。接着力には、帯電防止剤、可塑剤等を添加してもよい。また、接着層が設けられていることが目視でわかるように、染料、顔料等の着色剤を添加して接着層を着色してもよい。
The adhesive layer provided on the support is made of a thermoplastic resin, wax or the like. Examples of thermoplastic resins include polyester resins, epoxy resins, urethane resins, ethylene polymers or propylene polymers and copolymers thereof, modified olefin resins, ethylene vinyl acetate copolymer resins, and vinylidene chloride resins. And tackifiers such as styrene resins, (meth) acrylic acid ester polymers and copolymers, acetal resins such as polyvinyl butyral, and petroleum resins. Examples of the wax include paraffin wax, carnauba wax, candelilla wax, montan wax, polyethylene wax, maleated wax, higher fatty acid ester, higher fatty acid ester salt, higher alcohol and the like. In consideration of the material that is easily thermally bonded to the material of the protective layer and the thermal transfer conditions of the protective layer transfer sheet, these thermoplastic resins and waxes are appropriately selected and used. You may add an antistatic agent, a plasticizer, etc. to adhesive force. Further, as can be seen visually that the adhesive layer is provided, a colorant such as a dye or pigment may be added to color the adhesive layer.
接着層の厚みは、０．１〜１．０μｍの範囲が好ましい。前記範囲未満であると保護層
のキレが悪くなり、保護層が転写後の受像体の端部に保護層がはみ出し見栄えが悪くなる
。前記範囲を超えると保護層転写シートを巻き体にした場合、ブロッキングしやすくなる
。
The thickness of the adhesive layer is preferably in the range of 0.1 to 1.0 μm. When the thickness is less than the above range, the protective layer is poorly crisp, and the protective layer protrudes from the edge of the image-receiving body after transfer, resulting in poor appearance. When the above range is exceeded, blocking tends to occur when the protective layer transfer sheet is wound.
受像体の厚みは、少なくとも数１０〜数１００μｍある。そのため保護層転写シートを
重ねて熱転写する際に受像体の端部の保護層は、アンダーフィルムに強く面接触すること
ができない。アンダーフィルムに接着層を設けていない支持体のみのアンダー
フィルムを使用すると強く面接することのできないところの保護層はアンダーフィルムに
熱転写しにくくなる。その結果、保護層が受像体の端部にはみ出した状態で受像体に残る
ようになる。しかし、本発明のアンダーフィルムを使用すれば、受像体の端部においても
保護層は、アンダーフィルムの接着層によって強い接着力でアンダーフィルムに転写する
ので、受像体の端部における保護層のキレは良好となる。
The thickness of the image receiver is at least several 10 to several 100 μm. Therefore, when the protective layer transfer sheet is overlaid and thermally transferred, the protective layer at the end of the image receiver cannot make strong surface contact with the under film. If an underfilm having only a support which is not provided with an adhesive layer is used for the underfilm, the protective layer which cannot be strongly interviewed becomes difficult to thermally transfer to the underfilm. As a result, the protective layer remains on the image receiver in a state of protruding from the end of the image receiver. However, when the under film of the present invention is used, the protective layer is transferred to the under film with a strong adhesive force by the under film adhesive layer even at the end of the image receiving member. Is good.
一般に保護層は、画像の耐擦過性を上げるためにアクリル樹脂等の熱可塑性樹脂が好ま
しく用いられる。そのため、アンダーフィルムの接着層にワックス類を主材（主材とは、
層中の５０重量％以上の含有をさす）にすると、支持体と接着層の接着力に比べて保護層
と保護層転写シートの基材との接着力の方が勝り、保護層が転写せずに接着層が保護層側
に逆転写する現象が発生しやすくなる。このようになると、受像体の端部における保護層
のキレが悪くなる。
Generally, a thermoplastic resin such as an acrylic resin is preferably used for the protective layer in order to increase the scratch resistance of the image. For this reason, wax is used as the main material for the adhesive layer of the under film.
If the content is 50% by weight or more in the layer), the adhesive force between the protective layer and the base material of the protective layer transfer sheet is superior to the adhesive force between the support and the adhesive layer, and the protective layer can be transferred. Without causing a phenomenon that the adhesive layer is reversely transferred to the protective layer side. In such a case, the sharpness of the protective layer at the end of the image receiver deteriorates.
したがって、接着層の材料としては、熱可塑性樹脂を主材として用いると上記のような
問題はなく受像体の端部の保護層のキレは良好になる。熱可塑性樹脂のＴｇは、２５〜１
００℃の範囲のものを使用することが好ましい前記範囲未満であるとアンダーフィルムを
巻き体にした場合にブロッキングを起こしやすくなる。前記範囲を超えると保護層との接
着性が低下するようになる。
Therefore, when a thermoplastic resin is used as the main material for the adhesive layer, there is no problem as described above, and the sharpness of the protective layer at the end of the image receiver is improved. The Tg of the thermoplastic resin is 25-1
When the temperature is less than the above range, it is easy to cause blocking when the under film is wound. If it exceeds the above range, the adhesiveness with the protective layer is lowered.
さらにまた、熱可塑性樹脂の中でもポリエステル樹脂を用いると支持体と接着層の接着
力および保護層との接着力が強力となり、保護層のキレをますますシャープにすることが
できる。
Furthermore, when a polyester resin is used among the thermoplastic resins, the adhesive strength between the support and the adhesive layer and the adhesive strength between the protective layer becomes strong, and the sharpness of the protective layer can be made sharper.
支持体の背面には、アンダーフィルムを巻き体にして保管した際のブロッキングの防止
のために、シリコーン系樹脂やフッ素系樹脂等による離型層を設けても良い。背面層の厚
みは、０．０５〜０．５μｍの範囲とする。
On the back surface of the support, a release layer made of a silicone resin, a fluorine resin, or the like may be provided to prevent blocking when the under film is wound and stored. The thickness of the back layer is in the range of 0.05 to 0.5 μm.
支持体に接着層や背面層を形成する方法は、接着材料や背面材料を適当な溶剤に溶解し
支持体にグラビアコート方式、バーコート方式、エアナイフコート方式等を用いて塗布、
乾燥する方法を用いればよい。
The method of forming the adhesive layer and the back layer on the support is to dissolve the adhesive material and the back material in an appropriate solvent and apply the support to the support using a gravure coating method, a bar coating method, an air knife coating method,
A drying method may be used.
受像体は、紙、樹脂フィルム等の基材に各種のプリンタに適応した受像層を設けたもの
である。受像層は、なくてもいい場合もある。
The image receiver is obtained by providing an image receiving layer suitable for various printers on a substrate such as paper or a resin film. The image receiving layer may not be necessary.
画像を印刷するプリンタとしては、熱転写プリンタ、インクジェットプリンタ、レーザ
ープリンタ、プロッター、電子写真機等が挙げられる。
Examples of the printer that prints an image include a thermal transfer printer, an inkjet printer, a laser printer, a plotter, and an electrophotographic machine.
保護層転写シートは、基材上に保護層を設けたものである。基材としては、前記支持体
で挙げた各種の樹脂フィルムを同様に用いることができる。基材の厚みは、２〜３０μｍ
の範囲が好ましい。保護層は、熱可塑性樹脂やワックス類を用いる。熱可塑性樹脂として
は、ポリエステル樹脂、エポキシ樹脂、ウレタン樹脂、エチレン重合体あるいはプロピレ
ン重合体およびこれらの共重合体等のオレフィン系樹脂ならびに変性オレフィン系樹脂、
エチレン酢酸ビニル共重合樹脂、塩化ビニリデン系樹脂、スチレン系樹脂、（メタ）アク
リル酸エステル系重合体および共重合体、ポリビニルブチラール等のアセタール樹脂、石
油樹脂等のタッキファイヤーが挙げられる。ワックス類としては、パラフィンワックス、
カルナバワックス、キャンデリラワックス、モンタンワックス、ポリエチレン系ワックス
、マレイン化ワックス、高級脂肪酸エステル、高級脂肪酸エステル塩、高級アルコール等
が挙げられる。
The protective layer transfer sheet is obtained by providing a protective layer on a substrate. As a base material, the various resin films quoted by the said support body can be used similarly. The thickness of the substrate is 2 to 30 μm
The range of is preferable. For the protective layer, a thermoplastic resin or wax is used. Examples of thermoplastic resins include polyester resins, epoxy resins, urethane resins, ethylene polymers or propylene polymers, and copolymers thereof and modified olefin resins.
Examples include ethylene vinyl acetate copolymer resins, vinylidene chloride resins, styrene resins, (meth) acrylic acid ester polymers and copolymers, acetal resins such as polyvinyl butyral, and tackifiers such as petroleum resins. As waxes, paraffin wax,
Carnauba wax, candelilla wax, montan wax, polyethylene wax, maleated wax, higher fatty acid ester, higher fatty acid ester salt, higher alcohol and the like.
これらの材料のなかでも、高い耐擦過性を得るために（メタ）アクリル酸エステル系重
合体および共重合体つまりアクリル樹脂を主材として用いることが好ましい。
Among these materials, in order to obtain high scratch resistance, it is preferable to use a (meth) acrylic acid ester polymer and a copolymer, that is, an acrylic resin as a main material.
保護層の転写性を高めるために、保護層の上に最上接着層を設けても良い。最上接着層は、保護層で挙げた熱可塑性樹脂、ワックス類と同じ材質のものを用いることができるが、保護層の材質に比べＴｇや軟化点、融点等の物性値に低いものを用いる必要がある。例えば、保護層にＴｇが１０５℃のアクリル樹脂を用いるのであれば、最上接着層には、Ｔｇが２０℃のアクリル樹脂を用いるといった組み合わせである。他の例では、保護層に融点が１２５℃の酸化ポリエチレンワックスを主材に用いるのであれば、最上接着層には、融点が６０℃のパラフィンワックスを用いるといった組み合わせである。 In order to improve the transferability of the protective layer, an uppermost adhesive layer may be provided on the protective layer. The uppermost adhesive layer can be made of the same material as the thermoplastic resin and waxes mentioned in the protective layer, but it is necessary to use a material having lower physical properties such as Tg, softening point and melting point than the protective layer material. There is. For example, if an acrylic resin having a Tg of 105 ° C. is used for the protective layer, a combination in which an acrylic resin having a Tg of 20 ° C. is used for the uppermost adhesive layer. In another example, if an oxidized polyethylene wax having a melting point of 125 ° C. is used as the main material for the protective layer, a combination of paraffin wax having a melting point of 60 ° C. is used for the uppermost adhesive layer.
保護層、最上接着層には、必要に応じ、シリカなどの無機顔料、成膜助剤、紫外線吸収剤、光安定剤、酸化防止剤、耐水化剤、防腐剤、界面活性剤、増粘剤、流動性改良剤、ｐＨ調整剤、レベリング剤、帯電防止剤等の各種添加剤を添加することができる。 For the protective layer and the uppermost adhesive layer, inorganic pigments such as silica, film forming aids, UV absorbers, light stabilizers, antioxidants, water-resistant agents, preservatives, surfactants, thickeners as necessary Various additives such as a fluidity improver, a pH adjuster, a leveling agent, and an antistatic agent can be added.
保護層の厚みは、１．０〜２．０μｍの範囲が好ましい。最上接着層の厚みは、１．５〜１０μｍの範囲が好ましい。 The thickness of the protective layer is preferably in the range of 1.0 to 2.0 μm. The thickness of the uppermost adhesive layer is preferably in the range of 1.5 to 10 μm.
保護層、最上接着層の基材への形成方法は、前記の接着層、背面層を支持体に形成する方法と同じ方法を用いることができる。 The method for forming the protective layer and the uppermost adhesive layer on the substrate can be the same as the method for forming the adhesive layer and the back layer on the support.
保護層転写シートによる保護層の熱転写方法は、ラミネーターのように２つの対になっ
た熱ローラの間に、アンダーフィルム、受像体、保護層転写シートを重ねたものを通して
熱転写したり、ホットプレス機を用いたりすることができる。また、熱転写記録媒体プリ
ンタに通して、サーマールヘッドによって熱転写する方法であってもよい。
The thermal transfer method of the protective layer by the protective layer transfer sheet is a method of transferring heat by passing an under film, an image receptor, and a protective layer transfer sheet between two pairs of heat rollers like a laminator, or a hot press machine. Can be used. Alternatively, a thermal transfer recording medium printer may be used for thermal transfer with a thermal head.
１．印刷物の作成
以下の印刷条件でカラー画像を受像体上に印刷した。
熱転写プリンタ：セイコーエプソン製ＰＭ−８００Ｃ
受像体：光沢紙（富士フィルム製写真光沢印画紙、ＷＰＬ１００ＨＩ、Ｌサイズ）
画像データ：デジタルカメラで撮影したカラー画像データ
２．保護層転写シートの作成
厚み４．５μｍのポリエステルフィルムの背面にシリコーンアクリル樹脂等からなる厚み０．２μｍの耐熱滑性層を設け、他方の面上に、表１の保護層、最上接着層塗工液を塗布乾燥して、所定の厚みの保護層、最上接着層を積層して保護層転写シートを作成した。保護層転写シートの幅は、受像体の横幅に対して両幅で１０ｍｍずつ広くしてスリットしてコアに巻いた。
1. Preparation of printed matter A color image was printed on a receiver under the following printing conditions.
Thermal transfer printer: Seiko Epson PM-800C
Image receptor: Glossy paper (Fuji Film photographic glossy photographic paper, WPL100HI, L size)
1. Image data: Color image data taken with a digital camera Preparation of protective layer transfer sheet A 0.2 μm thick heat-resistant slip layer made of silicone acrylic resin or the like is provided on the back surface of a 4.5 μm thick polyester film, and the protective layer and the uppermost adhesive layer are coated on the other surface. The working liquid was applied and dried, and a protective layer transfer sheet was prepared by laminating a protective layer having a predetermined thickness and an uppermost adhesive layer. The width of the protective layer transfer sheet was widened by 10 mm in both widths with respect to the lateral width of the image receptor, slit and wound around the core.
表１ （重量部）
＊１：三菱レイヨン製
＊２：大日本インキ化学工業製
* 1: Made by Mitsubishi Rayon * 2: Made by Dainippon Ink and Chemicals
３．アンダーフィルムの作成
支持体として厚み１２μｍのポリエステルフィルムの上に下記の接着層塗工液を塗布乾燥して、厚み０．２μｍの接着層を形成して実施例１のアンダーフィルムを作成した。
接着層塗工液
ポリエステル樹脂 ３０重量部
（ニチゴーポリエスターＷＲ９０１Ｓ２０ＷＯ、固形分２０％、Ｔｇ６７℃）
水 ７０重量部
接着層を形成しないで支持体のみのものを比較例１のアンダーフィルムとした。アンダーフィルム幅は、受像体の横幅に対して両幅で２０ｍｍずつ広くしてスリットしてコアに巻いた。
3. The under film of Example 1 was prepared by applying and drying the following adhesive layer coating solution on a polyester film having a thickness of 12 μm as a support to form an adhesive layer having a thickness of 0.2 μm.
Adhesive layer coating liquid polyester resin 30 parts by weight (Nichigo Polyester WR901S20WO, solid content 20%, Tg 67 ° C.)
70 parts by weight of water
The underfilm of Comparative Example 1 was used as a support only without forming an adhesive layer. The width of the under film was widened by 20 mm in both widths with respect to the lateral width of the image receiver, slit and wound around the core.
４．印刷物への保護層の熱転写
実施例１のアンダーフィルムの接着層面の上に印刷物、保護層転写シートをアンダーフィルムからはみ出さないように重ねてから、ラミネーター（フジプラ製ラミパッカーＬＰＡ３３０１）に通して保護層を熱転写した。ラミネーター条件は、ロール温度１１０℃、走行速度は１．６ｍ／分とした。印刷物の端部の保護層のキレはシャープであった。同様に比較例１のアンダーフィルムを使って、他は実施例１と同じ条件で保護層を印刷物にしたところ印刷物の端部の保護層はキレが悪く細かいギザギザとなり見苦しいものとなった。
4). Thermal Transfer of Protective Layer to Printed Material After the printed material and the protective layer transfer sheet are stacked on the adhesive layer surface of the under film of Example 1 so as not to protrude from the under film, the protective layer is passed through a laminator (Lamipacker LPA3301 manufactured by Fuji Plastics). Was thermally transferred. Laminator conditions were a roll temperature of 110 ° C. and a running speed of 1.6 m / min. The sharpness of the protective layer at the edge of the printed material was sharp. Similarly, when the under film of Comparative Example 1 was used and the protective layer was made into a printed material under the same conditions as in Example 1, the protective layer at the edge of the printed material was poor in sharpness and became fine and unsightly.
Claims (3)
The underfilm according to claim 2, wherein the thermoplastic resin is a polyester resin.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103820046A (en) * | 2013-11-25 | 2014-05-28 | 胡勇 | Film applicable to ink-jet printer and manufacturing method of film |
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|---|---|---|---|---|
| JP2005059311A (en) * | 2003-08-08 | 2005-03-10 | Seiko Epson Corp | Image protective film and image protecting method using it |
| JP2005088264A (en) * | 2003-09-16 | 2005-04-07 | Dainippon Printing Co Ltd | Thermal transfer type image protecting sheet member |
| JP2005280157A (en) * | 2004-03-30 | 2005-10-13 | Noritsu Koki Co Ltd | Laminator and lamination method |
| JP2006035796A (en) * | 2004-07-30 | 2006-02-09 | Seiko Epson Corp | Image protecting method and overcoat equipment |
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2006
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005059311A (en) * | 2003-08-08 | 2005-03-10 | Seiko Epson Corp | Image protective film and image protecting method using it |
| JP2005088264A (en) * | 2003-09-16 | 2005-04-07 | Dainippon Printing Co Ltd | Thermal transfer type image protecting sheet member |
| JP2005280157A (en) * | 2004-03-30 | 2005-10-13 | Noritsu Koki Co Ltd | Laminator and lamination method |
| JP2006035796A (en) * | 2004-07-30 | 2006-02-09 | Seiko Epson Corp | Image protecting method and overcoat equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103820046A (en) * | 2013-11-25 | 2014-05-28 | 胡勇 | Film applicable to ink-jet printer and manufacturing method of film |
| CN103820046B (en) * | 2013-11-25 | 2016-02-24 | 胡勇 | A kind of pad pasting and manufacture method thereof being applicable to ink-jet printer |
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