JP3493607B2 - Resin molded product and method for producing the same - Google Patents
Resin molded product and method for producing the sameInfo
- Publication number
- JP3493607B2 JP3493607B2 JP2001342996A JP2001342996A JP3493607B2 JP 3493607 B2 JP3493607 B2 JP 3493607B2 JP 2001342996 A JP2001342996 A JP 2001342996A JP 2001342996 A JP2001342996 A JP 2001342996A JP 3493607 B2 JP3493607 B2 JP 3493607B2
- Authority
- JP
- Japan
- Prior art keywords
- resin
- decorative
- molded product
- printing layer
- sheet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 229920005989 resin Polymers 0.000 title claims description 46
- 239000011347 resin Substances 0.000 title claims description 46
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 238000007639 printing Methods 0.000 claims description 39
- 239000011230 binding agent Substances 0.000 claims description 19
- 229920005992 thermoplastic resin Polymers 0.000 claims description 15
- 238000000465 moulding Methods 0.000 claims description 12
- 238000004040 coloring Methods 0.000 claims description 11
- 239000010410 layer Substances 0.000 description 54
- 239000000976 ink Substances 0.000 description 28
- 239000000088 plastic resin Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 239000004925 Acrylic resin Substances 0.000 description 3
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 3
- 238000001723 curing Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- JWYVGKFDLWWQJX-UHFFFAOYSA-N 1-ethenylazepan-2-one Chemical compound C=CN1CCCCCC1=O JWYVGKFDLWWQJX-UHFFFAOYSA-N 0.000 description 2
- XLPJNCYCZORXHG-UHFFFAOYSA-N 1-morpholin-4-ylprop-2-en-1-one Chemical compound C=CC(=O)N1CCOCC1 XLPJNCYCZORXHG-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000007646 gravure printing Methods 0.000 description 2
- 239000003999 initiator Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000011342 resin composition Substances 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- 238000007666 vacuum forming Methods 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 238000003848 UV Light-Curing Methods 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、表面に加飾印刷が
施された樹脂成形品及びその製造方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a resin molded product whose surface is decoratively printed and a method for manufacturing the same.
【０００２】[0002]
【従来の技術】従来、加飾されたプラスチック樹脂成形
品を作製する方法としては、インサートモルディング成
形法が広く行われている。2. Description of the Related Art Conventionally, an insert molding method has been widely used as a method for producing a decorated plastic resin molded article.
【０００３】このインサートモルディング成形法におい
ては、第１の工程として、先ず平らなプラスチック樹脂
シートの片面または両面に印刷を施して、シートに密着
した一層または多層の加飾印刷層を設けて、加飾シート
を作製する。次に、第２の工程として、第１の工程で得
られた加飾シートを加熱して柔軟化させ、真空成形や圧
空成形によって絞り加工して、所望するプラスチック樹
脂成形品の加飾面の形状に成形し、成形された加飾シー
トを作る。（但し、樹脂成形品の加飾面が平面の場合
は、第２の工程は省略できる。）更に、第３の工程にお
いては、第２の工程で得られた成形された加飾シートを
射出成形機の金型に挿入して金型を閉じた後、射出成形
機のシリンダーから溶融したプラスチック樹脂を金型内
に注入して、注入されたプラスチック樹脂と加飾シート
とを一体化した成形品を作る。またこの際、本発明者は
第１の工程において、プラスチック樹脂シートに加飾印
刷層を設けるに際して紫外線硬化型着色インキを使用し
得ることを発明した（特願２００１−３４２９２８）。In this insert molding method, as a first step, a flat plastic resin sheet is first printed on one side or both sides to form a single-layer or multi-layer decorative printing layer adhered to the sheet, A decorative sheet is produced. Next, as a second step, the decorative sheet obtained in the first step is heated to be softened, and drawn by vacuum forming or pressure forming to obtain a desired decorative surface of a plastic resin molded product. It is shaped into a shape to make a shaped decorative sheet. (However, if the decorative surface of the resin molded product is a flat surface, the second step can be omitted.) Furthermore, in the third step, the molded decorative sheet obtained in the second step is injected. After inserting into the mold of the molding machine and closing the mold, the molten plastic resin is injected into the mold from the cylinder of the injection molding machine, and the injected plastic resin and the decorative sheet are integrated. Make a product. At this time, the present inventor has invented that the ultraviolet curable colored ink can be used when the decorative printing layer is provided on the plastic resin sheet in the first step (Japanese Patent Application No. 2001-342928).
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、特願２
００１−３４２９２８のプラスチック樹脂シートに加飾
印刷層を設けるに際して紫外線硬化型着色インキを使用
したインサートモルディング成形品においては、加飾層
と射出成形された樹脂本体との密着強度が必ずしも充分
でないことが見出された。[Problems to be Solved by the Invention] However, Japanese Patent Application No. 2
The adhesive strength between the decorative layer and the injection-molded resin body is not always sufficient in the insert molding molded product using the ultraviolet curable coloring ink when providing the decorative printing layer on the plastic resin sheet of 001-342928. Was found.
【０００５】したがって本発明の目的は、熱可塑性樹脂
シート上に紫外線硬化型着色インキによって加飾印刷層
を設けるという利点を損なわずに、加飾印刷層と成型樹
脂本体との密着強度の高い樹脂成形品及びその製造方法
を提供することである。Therefore, an object of the present invention is to provide a resin having a high adhesion strength between the decorative printing layer and the molded resin body without impairing the advantage of providing the decorative printing layer on the thermoplastic resin sheet with the ultraviolet curable coloring ink. A molded article and a method for producing the same are provided.
【０００６】[0006]
【課題を解決するための手段】前記課題を解決するため
に本発明は、熱可塑性樹脂シート上に紫外線硬化型着色
インキによって加飾印刷層を設け、さらに該加飾印刷層
上に熱可塑性樹脂を成分とするバインダー層を設け、該
バインダー層側に樹脂を一体成形したことを特徴とする
樹脂成形品を提供する。In order to solve the above-mentioned problems, the present invention provides a decorative printing layer on a thermoplastic resin sheet with an ultraviolet curable coloring ink, and further, a thermoplastic resin on the decorative printing layer. A resin molded article is provided in which a binder layer containing as a component is provided, and a resin is integrally molded on the binder layer side.
【０００７】この樹脂成形品の加飾印刷層の形成に用い
られるインキは、溶剤を含まない紫外線硬化型着色イン
キであるから、印刷に溶剤の乾燥除去は不要である。よ
って、長い乾燥時間を加熱エネルギーが必要となること
もなく、溶剤による大気汚染の発生を伴うこともない。Since the ink used for forming the decorative print layer of this resin molded product is a solvent-free UV-curable colored ink, it is not necessary to dry and remove the solvent for printing. Therefore, heating energy is not required for a long drying time, and air pollution due to the solvent does not occur.
【０００８】また、加飾印刷層と樹脂との間には、例え
ば、ポリカーボネート樹脂、塩化ビニル酢酸ビニル共重
合体（塩酢ビ樹脂）、アクリル樹脂、ポリエステル樹脂
などの熱可塑性樹脂を成分とするバインダー層が設けら
れているので、得られた加飾成形品の加飾印刷層と成型
樹脂本体との密着強度も良好である。Between the decorative printing layer and the resin, for example, a thermoplastic resin such as a polycarbonate resin, a vinyl chloride / vinyl acetate copolymer (a vinyl chloride / vinyl acetate resin), an acrylic resin or a polyester resin is contained as a component. Since the binder layer is provided, the adhesive strength between the decorative printing layer of the obtained decorative molded product and the molded resin body is also good.
【０００９】また、本発明において、前記紫外線硬化型
着色インキは、該着色インキを構成するベヒクルを紫外
線硬化して成形した厚さ１００μｍの膜が、２５℃にお
いて１．０ｋｇ／ｃｍ以上の破断強度と１３０％以上の
破断伸びを持つことが好ましい。係る条件を満たす紫外
線硬化型着色インキは、例えばポリウレタン（メタ）ア
クリレート樹脂と、Ｎ−ビニルカプロラクタムと、アク
ロイルモルフォリンを必須成分として含有する樹脂組成
物中に、光重合性反応を開始または促進する光重合開始
剤、着色を目的とする顔料、インキ適性および印刷適性
を調整する添加剤を添加することにより得ることができ
る。また、その他の好ましい紫外線硬化型インキの例は
特願２００１−３４２９２８に記載されている。Further, in the present invention, the ultraviolet curable color ink has a breaking strength of 1.0 kg / cm or more at 25 ° C. when a film having a thickness of 100 μm formed by ultraviolet curing the vehicle constituting the color ink. It is preferable to have a breaking elongation of 130% or more. The ultraviolet-curable colored ink satisfying such a condition starts or accelerates a photopolymerizable reaction in a resin composition containing, for example, a polyurethane (meth) acrylate resin, N-vinylcaprolactam, and acroylmorpholine as essential components. It can be obtained by adding a photopolymerization initiator, a pigment for coloring, and an additive for adjusting ink suitability and printability. Further, examples of other preferable ultraviolet curable inks are described in Japanese Patent Application No. 2001-342928.
【００１０】そして、紫外線硬化型着色インキを構成す
るベヒクルを紫外線硬化して成形した厚さ１００μｍの
膜が、２５℃において１．０ｋｇ／ｃｍ以上の破断強度
と１３０％以上の破断伸びを持つものであれば、このイ
ンキをシートに印刷及び紫外線硬化させて加飾印刷層を
形成し、これにより得られた加飾シートの一部に深い絞
り加工を施しても、その立ち上がり部分のシートに密着
していた加飾印刷層が剥離または亀裂を生じるようなこ
とがないことが判明した。A film having a thickness of 100 μm formed by ultraviolet-curing a vehicle constituting an ultraviolet-curable colored ink has a breaking strength of 1.0 kg / cm or more and a breaking elongation of 130% or more at 25 ° C. In this case, this ink is printed on a sheet and cured by ultraviolet light to form a decorative print layer, and even if a part of the decorative sheet obtained by this is deep drawn, it will adhere to the sheet at the rising portion. It was found that the decorative printing layer that had been used did not peel or crack.
【００１１】また、本発明は、熱可塑性樹脂シート上に
紫外線硬化型着色インキによって加飾印刷層を設ける工
程と、該加飾印刷層上に熱可塑性樹脂を成分とするバイ
ンダー層を設ける工程と、該バインダー層側に樹脂を一
体成形する工程とを含むことを特徴とする樹脂成形品の
製造方法を提供するものである。この製造方法によれ
ば、前述したように、加飾印刷層と成型樹脂本体との密
着強度の高い加飾樹脂成形品が得られる。Further, according to the present invention, a step of providing a decorative printing layer on the thermoplastic resin sheet with an ultraviolet curable coloring ink, and a step of providing a binder layer containing a thermoplastic resin as a component on the decorative printing layer. And a step of integrally molding a resin on the side of the binder layer, to provide a method for producing a resin molded product. According to this manufacturing method, as described above, a decorative resin molded product having a high adhesion strength between the decorative printing layer and the molded resin body can be obtained.
【００１２】さらに、本発明の樹脂成形品の製造方法に
おいて、前記紫外線硬化型着色インキは、該着色インキ
を構成するベヒクルを紫外線硬化して成形した厚さ１０
０μｍの膜が、２５℃において１．０ｋｇ ／ｃｍ以上
の破断強度と１３０％以上の破断伸びを持つことが好ま
しい。係る紫外線硬化型着色インキを用いれば、前述の
ように、このインキをシートに印刷及び紫外線硬化させ
て加飾印刷層を形成し、これにより得られた加飾シート
の一部に深い絞り加工を施しても、その立ち上がり部分
のシートに密着していた加飾印刷層が剥離または亀裂を
生じるようなことがない。Further, in the method for producing a resin molded product according to the present invention, the ultraviolet curable color ink has a thickness of 10 formed by ultraviolet curing a vehicle constituting the color ink.
It is preferable that the 0 μm film has a breaking strength of 1.0 kg / cm 2 or more and an elongation at break of 130% or more at 25 ° C. If such a UV-curable colored ink is used, as described above, the ink is printed on the sheet and UV-cured to form a decorative printing layer, and a deep drawing process is performed on a part of the decorative sheet thus obtained. Even if it is applied, the decorative printing layer adhered to the sheet at the rising portion does not peel or crack.
【００１３】[0013]
【実施例】実施例１
以下、本発明の実施例１を図に従って説明する。図１に
示すように、本実施例に係る樹脂成形品１は、加飾シー
ト２と、この加飾シート２の背面にモールドされた樹脂
３とで構成されている。加飾シート２は、透明性を有す
るポリカーボネート、ポリエステルシート等の熱可塑性
樹脂シートからなる透明シート４の背面に加飾印刷層５
を形成し、更にこの加飾印刷層５上にバインダー層６を
形成したものである。EXAMPLE 1 Example 1 of the present invention will be described below with reference to the drawings. As shown in FIG. 1, the resin molded product 1 according to the present embodiment includes a decorative sheet 2 and a resin 3 molded on the back surface of the decorative sheet 2. The decorative sheet 2 includes a decorative printing layer 5 on the back surface of a transparent sheet 4 made of a thermoplastic resin sheet such as a transparent polycarbonate or polyester sheet.
And the binder layer 6 is formed on the decorative printing layer 5.
【００１４】加飾印刷層５は、紫外線硬化型着色インキ
を構成するベヒクルを紫外線硬化して成形した厚さ１０
０μｍの膜が、２５℃において１．０ｋｇ／ｃｍ以上の
破断強度と１３０％以上の破断伸びを持つものである。
すなわち、ポリウレタン（メタ）アクリレート樹脂と、
Ｎ−ビニルカプロラクタムと、アクロイルモルフォリン
を必須成分として含有する樹脂組成物中に、光重合性反
応を開始または促進する光重合開始剤、顔料、インキ適
性および印刷適性を調整する添加剤を添加することによ
り、前記破断伸び及び破断強度を発生するように調整さ
れたインキ（紫外線硬化型着色インキ）を印刷し、紫外
線を照射した硬化させたものである。The decorative printing layer 5 has a thickness 10 formed by UV-curing a vehicle that constitutes the UV-curable coloring ink.
A film of 0 μm has a breaking strength of 1.0 kg / cm or more and a breaking elongation of 130% or more at 25 ° C.
That is, a polyurethane (meth) acrylate resin,
Into a resin composition containing N-vinylcaprolactam and acroylmorpholine as essential components, a photopolymerization initiator for initiating or accelerating a photopolymerization reaction, a pigment, an additive for adjusting ink suitability and printability are added. By doing so, an ink (ultraviolet curable color ink) adjusted to generate the elongation at break and the breaking strength is printed, and the ink is cured by irradiation with ultraviolet rays.
【００１５】また、バインダー層６は、熱可塑性樹脂で
ある塩酢ビ樹脂をバインダーとする溶剤型インキを使用
して、加飾印刷層５上に印刷を施して形成したものであ
る。The binder layer 6 is formed by printing on the decorative printing layer 5 using a solvent type ink containing a vinyl chloride resin, which is a thermoplastic resin, as a binder.
【００１６】この樹脂成形品１は、以下の工程からなる
製造方法により製造されている。すなわち、前記紫外線
硬化型着色インキを使用し、透明シート４の背面にグラ
ビア印刷、あるいはスクリーン印刷を施して加飾印刷層
５を形成する。さらに、熱可塑性樹脂をバインダーとす
るインキを使用し、加飾印刷層５上にグラビア印刷、あ
るいはスクリーン印刷を施してバインダー層６を形成す
る。これにより、透明シート４の背面に加飾印刷層５及
びバインダー層６が積層された加飾シート２が製造され
る。The resin molded product 1 is manufactured by a manufacturing method including the following steps. That is, the decorative printing layer 5 is formed by performing gravure printing or screen printing on the back surface of the transparent sheet 4 using the ultraviolet curable coloring ink. Further, an ink having a thermoplastic resin as a binder is used, and gravure printing or screen printing is performed on the decorative printing layer 5 to form the binder layer 6. Thereby, the decorative sheet 2 in which the decorative print layer 5 and the binder layer 6 are laminated on the back surface of the transparent sheet 4 is manufactured.
【００１７】次に、このようにして背面に加飾印刷層５
及びバインダー層６が形成された加飾シート２を真空成
形、圧空成形等により、図２に示すように、中央にリン
グ状の凸部２ａを有する形状に賦形する。なお、この加
飾シート２は、同図に示したように、直径が８５ｍｍの
円形であって、前記凸部２ａの外周直径は６５ｍｍ、内
周直径は４０ｍｍ、外側の高さは５ｍｍ、内側の高さは
１０ｍｍ、表面の曲率はＲ＝３０ｍｍである。Then, the decorative printing layer 5 is formed on the back surface in this manner.
The decorative sheet 2 having the binder layer 6 formed thereon is shaped into a shape having a ring-shaped convex portion 2a at the center by vacuum forming, pressure forming, or the like, as shown in FIG. As shown in the figure, the decorative sheet 2 has a circular shape with a diameter of 85 mm, and the convex portion 2a has an outer peripheral diameter of 65 mm, an inner peripheral diameter of 40 mm, and an outer height of 5 mm. Has a height of 10 mm and a surface curvature of R = 30 mm.
【００１８】このとき、賦形された加飾シート２を肉眼
で観察してみたが、凸部２ａの立ち上がり部分の透明シ
ート４に密着していた加飾印刷層５に剥離や亀裂が生じ
てはいなかった。At this time, the decorated decorative sheet 2 was observed with the naked eye, but the decorative printing layer 5 adhered to the transparent sheet 4 at the rising portion of the convex portion 2a was peeled or cracked. I didn't.
【００１９】次に、この賦形された加飾シート２をバイ
ンダー層６のある側を内側に向けて金型中にセットし、
しかる後、熱溶融した合成樹脂を前記金型中に射出し、
樹脂３を硬化させた後型開きする。これにより、図１に
示したように、中央部にリング状の凸部２ａを有する樹
脂成形品１の成形が完成する。この樹脂成形品１を外部
から観察したが、加飾印刷層５に剥離や亀裂が生じてい
る箇所はなかった。よって、賦形された加飾シート２の
加飾印刷層５側に溶融樹脂が注入された際、溶融樹脂の
熱によって加飾シート２に設けられた加飾印刷層５が破
損を受けないことが判明した。また、賦形された加飾シ
ート２とモールドされた樹脂層３とを手で剥がすことを
試みたが、剥がすことができなかった。Next, the shaped decorative sheet 2 is set in the mold with the side having the binder layer 6 facing inward.
Then, the synthetic resin which was melted by heat is injected into the mold,
After the resin 3 is cured, the mold is opened. As a result, as shown in FIG. 1, the molding of the resin molded product 1 having the ring-shaped convex portion 2a in the central portion is completed. When this resin molded product 1 was observed from the outside, there was no place where peeling or cracking occurred in the decorative printed layer 5. Therefore, when the molten resin is injected into the decorative printing layer 5 side of the shaped decorative sheet 2, the decorative printing layer 5 provided on the decorative sheet 2 is not damaged by the heat of the molten resin. There was found. Further, it was attempted to peel off the shaped decorative sheet 2 and the molded resin layer 3 by hand, but it could not be peeled off.
【００２０】なお、本実施例においては、樹脂成形品１
として中央にリング状の凸部２ａを有するものを示した
が、これに限らず、より複雑な凹凸形状等を有するも
の、あるいは扁平状の樹脂成形物にも本発明を適用し得
ることは勿論である。In this embodiment, the resin molded product 1
Although the one having the ring-shaped convex portion 2a in the center is shown as the above, the present invention is not limited to this, and it is needless to say that the present invention can be applied to a more complicated uneven shape or the like, or a flat resin molded product. Is.
【００２１】また、本実施例においては、透明シート４
の片面のみに単層の加飾印刷層５を施したものを示した
が、複数層の加飾印刷層５を施したり、透明シート４の
両面に加飾印刷層５を施すようにしてもよい。Further, in this embodiment, the transparent sheet 4
Although the single-layered decorative printing layer 5 is applied to only one surface of the above, a plurality of layers of the decorative printing layer 5 may be applied, or the both sides of the transparent sheet 4 may be applied with the decorative printing layer 5. Good.
【００２２】実施例２
樹脂成形品１における加飾シート２とモールドされた樹
脂３との剥離強度を見るために、樹脂成形品１を作製す
るための第２の工程、すなわち、真空成形、圧空成形の
工程を省き、他は実施例１と同様にして平らな樹脂成形
品を作製し、１ｃｍ幅における、加飾シートとモールド
樹脂との剥離強度を測定したところ、２．０ｋｇ／ｃｍ
であった。Example 2 In order to check the peel strength between the decorative sheet 2 and the molded resin 3 in the resin molded product 1, the second step for producing the resin molded product 1, namely, vacuum molding and pressure molding. A flat resin molded product was produced in the same manner as in Example 1 except that the molding step was omitted, and the peel strength between the decorative sheet and the mold resin in a width of 1 cm was measured to be 2.0 kg / cm.
Met.
【００２３】比較例１
一方、加飾シート２を作製するときにバインダー層６を
施さずに、その他は実施例２と同様にして平らな樹脂成
形物を作製し、実施例２と同様に剥離強度を測定したと
ころ、０．２ｋｇ／ｃｍであった。Comparative Example 1 On the other hand, a flat resin molded product was produced in the same manner as in Example 2 except that the binder layer 6 was not applied when producing the decorative sheet 2, and peeled off in the same manner as in Example 2. When the strength was measured, it was 0.2 kg / cm.
【００２４】[0024]
【発明の効果】以上説明したように本発明によれば、熱
可塑性樹脂シート上に紫外線硬化型着色インキによって
加飾印刷層を設けるという利点を損なわずに、加飾印刷
層と成型樹脂本体との密着強度の高い樹脂成形品を提供
することができる。As described above, according to the present invention, the decorative printing layer and the molded resin body can be formed without impairing the advantage of providing the decorative printing layer on the thermoplastic resin sheet with the ultraviolet curable coloring ink. It is possible to provide a resin molded product having high adhesion strength.
【００２５】また、本発明によれば、熱可塑性樹脂シー
ト上に紫外線硬化型着色インキによって加飾印刷層を設
けるという利点を損なわずに、加飾印刷層と成形樹脂本
体との密着強度の高い樹脂成形品を製造することができ
る。Further, according to the present invention, the adhesion strength between the decorative printing layer and the molding resin main body is high without impairing the advantage of providing the decorative printing layer on the thermoplastic resin sheet with the ultraviolet curable coloring ink. A resin molded product can be manufactured.
【図１】本発明の一実施例を示す一部拡大断面図であ
る。FIG. 1 is a partially enlarged sectional view showing an embodiment of the present invention.
【図２】同実施例の賦形された加飾シート及びその成形
寸法を示す断面図である。FIG. 2 is a cross-sectional view showing a shaped decorative sheet of the example and its molding dimensions.
１ 樹脂成形品 ２ 加飾シート ２ａ 凸部 ３ 樹脂 ４ 透明シート ５ 加飾印刷層 ６ バインダー層 1 Resin molded product 2 decorative sheet 2a convex part 3 resin 4 transparent sheet 5 decorative printing layer 6 Binder layer
Claims (4)
色インキによって加飾印刷層を設け、さらに該加飾印刷
層上に熱可塑性樹脂を成分とするバインダー層を設け、
該バインダー層側に樹脂を一体成形したことを特徴とす
る樹脂成形品。1. A decorative printing layer is provided on a thermoplastic resin sheet with an ultraviolet curable coloring ink, and a binder layer containing a thermoplastic resin as a component is further provided on the decorative printing layer.
A resin molded product, wherein a resin is integrally molded on the binder layer side.
インキを構成するベヒクルを紫外線硬化して成形した厚
さ１００μｍの膜が、２５℃において１．０ｋｇ／ｃｍ
以上の破断強度と１３０％以上の破断伸びを持つことを
特徴とする請求項１記載の樹脂成形品。2. The ultraviolet curable color ink has a 100 μm-thick film formed by ultraviolet-curing a vehicle constituting the color ink and having a thickness of 1.0 kg / cm at 25 ° C.
The resin molded product according to claim 1, which has the above breaking strength and a breaking elongation of 130% or more.
色インキによって加飾印刷層を設ける工程と、該加飾印
刷層上に熱可塑性樹脂を成分とするバインダー層を設け
る工程と、該バインダー層側に樹脂を一体成形する工程
とを含むことを特徴とする樹脂成形品の製造方法。3. A step of providing a decorative printing layer on a thermoplastic resin sheet with an ultraviolet curable coloring ink, a step of providing a binder layer containing a thermoplastic resin as a component on the decorative printing layer, and the binder layer. And a step of integrally molding a resin on the side thereof.
インキを構成するベヒクルを紫外線硬化して成形した厚
さ１００μｍの膜が、２５℃において１．０ｋｇ／ｃｍ
以上の破断強度と１３０％以上の破断伸びを持つことを
特徴とする請求項３記載の樹脂成形品の製造方法。4. The ultraviolet-curable colored ink has a 100 μm thick film formed by curing the vehicle constituting the colored ink with ultraviolet light at 25 ° C. to 1.0 kg / cm 2.
The method for producing a resin molded product according to claim 3, which has the breaking strength described above and a breaking elongation of 130% or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001342996A JP3493607B2 (en) | 2001-11-08 | 2001-11-08 | Resin molded product and method for producing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001342996A JP3493607B2 (en) | 2001-11-08 | 2001-11-08 | Resin molded product and method for producing the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003145574A JP2003145574A (en) | 2003-05-20 |
| JP3493607B2 true JP3493607B2 (en) | 2004-02-03 |
Family
ID=19156762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001342996A Expired - Lifetime JP3493607B2 (en) | 2001-11-08 | 2001-11-08 | Resin molded product and method for producing the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3493607B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3718496B2 (en) * | 2002-11-13 | 2005-11-24 | 帝国インキ製造株式会社 | Insert molded product |
| JP4578128B2 (en) * | 2004-03-16 | 2010-11-10 | 十条ケミカル株式会社 | Plastic molded product |
| DE102008023499A1 (en) | 2008-05-14 | 2009-11-19 | Bayer Materialscience Ag | Printing ink or printing varnish, coated laminate therewith and process for producing a laminate |
| MX2015013606A (en) * | 2013-03-28 | 2016-01-12 | Seiren Co Ltd | Decorative film for insert molding and decorative insert molded item. |
| JP6525638B2 (en) * | 2015-02-26 | 2019-06-05 | キヤノン株式会社 | Recording method, recorded matter, processing method of recorded matter, and method for improving crack resistance of recorded matter |
-
2001
- 2001-11-08 JP JP2001342996A patent/JP3493607B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2003145574A (en) | 2003-05-20 |
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