JP4485877B2 - Tachograph recording paper base material - Google Patents
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- JP4485877B2 JP4485877B2 JP2004225242A JP2004225242A JP4485877B2 JP 4485877 B2 JP4485877 B2 JP 4485877B2 JP 2004225242 A JP2004225242 A JP 2004225242A JP 2004225242 A JP2004225242 A JP 2004225242A JP 4485877 B2 JP4485877 B2 JP 4485877B2
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- 239000000463 material Substances 0.000 title claims description 20
- 239000000123 paper Substances 0.000 claims description 130
- 239000010410 layer Substances 0.000 claims description 93
- 229920001131 Pulp (paper) Polymers 0.000 claims description 27
- 239000010893 paper waste Substances 0.000 claims description 26
- 239000002344 surface layer Substances 0.000 claims description 20
- 239000000758 substrate Substances 0.000 claims description 9
- 239000003623 enhancer Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 239000011087 paperboard Substances 0.000 claims description 3
- 239000002994 raw material Substances 0.000 description 32
- 230000000052 comparative effect Effects 0.000 description 15
- 238000002156 mixing Methods 0.000 description 7
- 239000002002 slurry Substances 0.000 description 6
- 241000209094 Oryza Species 0.000 description 5
- 235000007164 Oryza sativa Nutrition 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 5
- 235000009566 rice Nutrition 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 239000002775 capsule Substances 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000004040 coloring Methods 0.000 description 2
- 239000004922 lacquer Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Natural products C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
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- Paper (AREA)
Description
本発明はタコグラフ記録用紙用基材に関するものである。 The present invention relates to a base material for tachograph recording paper.
タコグラフ記録用紙としては、上質紙などの基材の表面に黒色顔料から成る着色層を印刷形成し、その上に硝化綿ラッカーを塗布して塗膜層を形成するとともに多湿度条件下でこの塗膜層を白色化して着色層を隠蔽化する記録層を形成したものが知られている。 For tachograph recording paper, a colored layer consisting of a black pigment is printed on the surface of a substrate such as fine paper, and a coated layer is formed on it by applying nitrified cotton lacquer. A recording layer is known in which a film layer is whitened to conceal a colored layer.
また、硝化綿ラッカーの代わりに、隠蔽性粒子であるカプセルを主体とする記録層を形成し、記録ペンでこのカプセルを破壊してカプセルに含まれている溶剤成分を漏出させ、記録層を透明化して記録線を描くようにしたものも知られている（例えば、特許文献１、特許文献２参照。）。 In addition, instead of nitrified cotton lacquer, a recording layer mainly composed of capsules that are concealable particles is formed, and the capsule is broken with a recording pen so that the solvent component contained in the capsules is leaked, and the recording layer is transparent. A recording line is also known (see, for example, Patent Document 1 and Patent Document 2).
このようなタコグラフ記録用紙は、回転させるための係合部を有しているため剛度が求められるとともに、記録ペンの引っ掛かりなどが生じると記録飛びが発生するため、平滑性が求められ、また記録層を形成するために塗工適性が求められることになる。そのため、従来のタコグラフ記録用紙においては、基材としてＬＢＫＰやＮＢＫＰなどのバージンパルプを原料パルプとして抄造した米坪１２０〜１５０ｇ／ｍ2 程度の上質紙やフィルムシートが用いられていた。
ところで、タコグラフ記録用紙には上記のように剛度と平滑性並びに高湿環境下での寸法安定性を確保する必要があるため、従来のタコグラフ記録用紙の基材には、米坪の大きい上質紙が広く用いられているが、コスト高になるとともに森林資源の保護や環境負荷の低減と抵触するという問題がある。 By the way, since it is necessary for the tachograph recording paper to ensure rigidity, smoothness and dimensional stability in a high humidity environment as described above, the base material of the conventional tachograph recording paper is a high-quality paper having a large weight per square meter. Is widely used, but there is a problem that the cost increases and it conflicts with protection of forest resources and reduction of environmental load.
本発明は、上記従来の問題点に鑑み、古紙を含有させることで低コスト化を図りながら、剛度と平滑性と寸法安定性を確保できるタコグラフ記録用紙用基材を提供することを課題とする。 In view of the above-described conventional problems, an object of the present invention is to provide a substrate for tachograph recording paper that can ensure rigidity, smoothness, and dimensional stability while reducing costs by containing waste paper. .
本発明のタコグラフ記録用紙用基材は、古紙を含有しかつ全層での配合比で機械パルプを３０％以上含む多層抄き紙から成り、かつその表層が上白古紙とＬＢＫＰの何れか一方又は両者をパルプ原料とするとともに着色して抄造して構成され、中間層と裏層が機械パルプを含む古紙をパルプ原料として抄造して構成されている多層抄き着色板紙から成るものである。なお機械パルプの含有等は、ＪＩＳ Ｐ８１２０に準拠したものである。 The base material for tachograph recording paper of the present invention is composed of multilayer paper which contains waste paper and contains 30% or more of mechanical pulp in the blending ratio in all layers, and the surface layer is either upper white waste paper or LBKP. Alternatively, both are made of a pulp material and are made by coloring and making paper, and the intermediate layer and the back layer are made of multilayer paper making colored paperboard made by making waste paper containing mechanical pulp . The content of mechanical pulp and the like are based on JIS P8120.
この構成によれば、タコグラフ記録用紙用基材に、上質紙に代えて、古紙を含有しかつ剛度が得られる機械パルプを全層での配合比で３０％以上含む多層抄き紙を用いることで、低コストで紙厚を厚く、剛度を強くすることができ、低コスト化を図りながら必要な剛度のタコグラフ記録用紙用基材を提供することができ、また多層抄き紙の各層の原料を変え、表層は平滑性が得られる原料を用い、中間層や裏層は安価で剛度の高い原料を用いることで、所要の特性のタコグラフ記録用紙用基材を得ることができる。 According to this configuration, the base material for the tachograph recording paper is a multilayer paper that contains recycled paper and contains mechanical pulp containing 30% or more in all layers, instead of high-quality paper. Therefore, it is possible to provide a base material for tachograph recording paper with the required rigidity while reducing the cost, and to increase the thickness and thickness of the paper at low cost. In other words, the surface layer is made of a raw material that can provide smoothness, and the intermediate layer and the back layer are made of a raw material that is inexpensive and has high rigidity, whereby a substrate for tachograph recording paper having required characteristics can be obtained.
また、多層抄き着色板紙は、その表層が上白古紙とＬＢＫＰの何れか一方又は両者をパルプ原料とするとともに着色して抄造して構成され、中間層と裏層が機械パルプを含む古紙をパルプ原料として抄造して構成されていると、表層が上白古紙とＬＢＫＰをパルプ原料とすることで所要の平滑性を確保できるとともに、着色の均一性及び安定性が高く、基材表面に高品質の着色層や記録層を形成することができ、かつ中間層と裏層が機械パルプを含む古紙を含有していることで必要な剛度を確保することができる。 In addition, the multi-layered colored paperboard has a surface layer composed of either upper white waste paper or LBKP or both as a raw material for pulp production and coloring, and the intermediate layer and the back layer are made of waste paper containing mechanical pulp. When the paper is made as a pulp raw material, the surface layer can be used as a raw material for pulp and white paper and LBKP to ensure the required smoothness, and the color uniformity and stability are high, and the surface of the base material is high. A quality colored layer or recording layer can be formed, and the intermediate layer and the back layer contain used paper containing mechanical pulp, so that necessary rigidity can be ensured.
また、密度が０．９５ｇ／ｃｍ3 以下で、ＪＩＳ Ｐ８１２５に基づくテーバーこわさ（横）が０．７０ｍＮ・ｍ以上とするのが好適である。また、ＪＩＳ Ｐ８１１９に基づく表面の平滑度が２０〜２００秒、好ましくは３０〜１００秒とするのが好適である。 Further, it is preferable that the density is 0.95 g / cm 3 or less and the Taber stiffness (horizontal) based on JIS P8125 is 0.70 mN · m or more. The surface smoothness based on JIS P8119 is 20 to 200 seconds, preferably 30 to 100 seconds.
また、全層若しくは表層と裏層又は任意の層に湿潤紙力増強剤を含有させると、高湿環境化での寸法安定性をより確実に保持させることができて好適である。 In addition, it is preferable to add a wet paper strength enhancer to the entire layer, the front layer and the back layer, or an arbitrary layer because the dimensional stability in a high humidity environment can be more reliably maintained.
本発明によれば、上質紙に代えて古紙を含有しかつ全層での配合比で機械パルプを３０％以上含む多層抄き紙を用いることで、紙厚を厚くし、剛度を強くすることができ、低コスト化を図りながら必要な剛度のタコグラフ記録用紙用基材を提供することができ、また多層抄き紙の各層の原料を変え、表層は平滑性が得られる原料を用い、中間層や裏層は安価で剛度の高い原料を用いることで、所要の特性のタコグラフ記録用紙用基材を得ることができる。 According to the present invention, by using multilayer paper that contains used paper instead of fine paper and contains 30% or more of mechanical pulp in the total layer, the paper thickness is increased and the rigidity is increased. It is possible to provide a base material for tachograph recording paper with the required rigidity while reducing costs, and by changing the raw material of each layer of the multilayer paper, using a raw material that can obtain smoothness, For the layer and the back layer, a base material for tachograph recording paper having required characteristics can be obtained by using an inexpensive and highly rigid raw material.
以下、本発明のタコグラフ記録用紙用基材の一実施形態について、詳細に説明する。 Hereinafter, an embodiment of the substrate for tachograph recording paper of the present invention will be described in detail.
本実施形態のタコグラフ記録用紙用基材は、複数層、例えば５層の湿紙を抄き合わせた多層抄き紙にて構成されている。表層の湿紙は、上質紙（ＬＢＫＰ、ＮＢＫＰを原料として抄造した紙）の白損から成る上白古紙とＬＢＫＰを、それぞれ単独若しくは適宜の配合割合で混合した原料パルプを用い、かつタコグラフ記録用紙の着色層が容易に高品質に形成されるようにグレー色（例えば、明度（ＪＩＳ Ｚ８７２２に準じて測定したハンターＬａｂ表示系における明度（Ｌ値）による。以下、同じ。）２８〜４５程度）に着色して抄造している。また、中間層及び裏層は、紙器製造時に発生する砂裁古紙、新聞・雑誌などを原料として抄造した白ボールなどの地券古紙から成る原料パルプを主として用い、必要に応じてコート紙の白損から成る中白古紙や、コート紙の印刷・製本工程での砂裁古紙からなるケント古紙やＬＢＫＰを添加して抄造される。また、タコグラフ記録用紙の寸法安定性を向上するため、全層に湿潤紙力増強剤を添加して抄造している。 The base material for tachograph recording paper of the present embodiment is composed of a multi-layer paper made by combining a plurality of layers, for example, five layers of wet paper. The wet paper used for the surface layer is made of high-quality paper (paper made from LBKP, NBKP as a raw material), white raw paper consisting of white loss and LBKP, each of which is a single material or a raw material pulp mixed in an appropriate blending ratio, and a tachograph recording paper (For example, lightness (depending on lightness (L value) in Hunter Lab display system measured according to JIS Z8722; the same applies hereinafter) 28 to 45). It is colored and made. In addition, the intermediate layer and the back layer are mainly made of raw pulp made of old paper such as sand balls used in the manufacture of paper containers, white balls made from newspapers and magazines, etc. Paper is made by adding medium white waste paper consisting of spoiled paper, Kent waste paper consisting of sanded waste paper in the printing / binding process of coated paper, and LBKP. Further, in order to improve the dimensional stability of the tachograph recording paper, the paper is made by adding a wet paper strength enhancer to all layers.
この多層抄き紙には、全層での配合比で機械パルプを３０％以上、好ましくは５０〜６５％含んでいる。また、湿潤紙力増強剤としては、ホルムアルデヒドの発生がないポリアミドエピクロロヒドリンが好適である。 This multi-layered paper contains 30% or more, preferably 50 to 65% of mechanical pulp in the blending ratio in all layers. As the wet paper strength enhancer, polyamide epichlorohydrin that does not generate formaldehyde is suitable.
上記５層の多層抄き紙は、５つの円網ワイヤを有するワイヤパート、プレスパート、ドライヤーパート、カレンダー、及びリールを備えた抄紙機にて各層の湿紙を抄き合わせて製造される。ワイヤパートにおいては、５つの円網が適当な間隔をあけて直列して配設され、これら円網の上端に下面が接するように無端ベルト状の毛布が配設され、毛布が表層用の円網から裏層用の円網に向けて順次走行した後上向きに反転し、後続工程のプレスパートに抄き合わせた湿紙を受け渡して表層用の円網に戻る無端状の回動経路を各円網の周速と等速で同期して回動するように構成されている。各円網には、その上端よりも回転方向上手側位置にそれぞれに原料スラリーを供給して円網の周面上に湿紙を形成するインレットが配設され、かつ各円網の上部にクーチロールが配設されている。 The five-layer multilayer paper is produced by making wet paper of each layer together in a paper machine equipped with a wire part having five circular mesh wires, a press part, a dryer part, a calendar, and a reel. In the wire part, five circular meshes are arranged in series with an appropriate interval, and an endless belt-like blanket is arranged so that the lower surface is in contact with the upper ends of these circular meshes. After traveling sequentially from the net toward the back net, it is turned upside down, and the endless rotating path that returns to the surface net is delivered to the press part of the subsequent process. It is configured to rotate synchronously with the circumferential speed of the circular net. Each circular net is provided with an inlet for supplying raw material slurry to a position on the upper side in the rotational direction from the upper end thereof to form wet paper on the peripheral surface of the circular net, and a couch roll at the upper part of each circular net Is arranged.
このような抄紙機による抄造時には、多層抄き紙の表層を形成する湿紙が表層用の円網上に形成された後毛布に保持され、中間層の湿紙が第２番目〜第４番目の中間層用の円網上に形成された後表層の湿紙の下面に順次抄き合わされ、次いで裏層の湿紙が第５番目の円網上に形成された後中間層の湿紙の下面に抄き合わされ、その後５層に抄き合わされた湿紙がプレスパートに向けて搬送されて受け渡される。なお、抄紙機としては、このようなものに限定されるものではなく、長網多筒抄紙機などの他の抄紙機を適用することもできる。 At the time of paper making by such a paper machine, the wet paper forming the surface layer of the multilayer paper is formed on the circular mesh for the surface layer and then held on the blanket, and the wet paper of the intermediate layer is the second to fourth After forming on the lower layer of the wet paper web of the front layer formed on the intermediate net of the intermediate layer, and subsequently forming the back layer wet paper on the fifth circular net, The wet paper that has been made on the lower surface and then made in 5 layers is conveyed toward the press part and delivered. Note that the paper machine is not limited to this, and other paper machines such as a long-mesh multi-cylinder paper machine can also be applied.
以上のような抄紙機によりタコグラフ記録用紙用基材として要請される以下のような物性を有するように多層抄き紙が抄造される。記録性を向上させるために、ＪＩＳ Ｐ８１１９に基づく表面の平滑度が、２０〜２００秒、好ましくは３０〜１００秒、より好適には４０〜８０秒となるように調整される。また、米坪が１６０〜１７５ｇ／ｍ2 、紙厚さが１５０〜１８０μｍ、密度が０．９５ｇ／ｃｍ3 以下、ＪＩＳ Ｐ８１２５に基づくテーバーこわさ（横）が０．７０ｍＮ・ｍ以上となるように調整される。 Multi-layer paper is produced by the paper machine as described above so as to have the following properties required as a base material for tachograph recording paper. In order to improve the recording property, the surface smoothness based on JIS P8119 is adjusted to 20 to 200 seconds, preferably 30 to 100 seconds, and more preferably 40 to 80 seconds. In addition, the US basis is 160 to 175 g / m 2 , the paper thickness is 150 to 180 μm, the density is 0.95 g / cm 3 or less, and the Taber stiffness (horizontal) based on JIS P8125 is 0.70 mN · m or more. Adjusted.
以上の構成によれば、古紙を含有しかつ全層での配合比で機械パルプを３０％以上配合した多層抄き紙を用いることにより、紙厚を厚くし、剛度を強くすることができ、低コスト化を図りながら必要な剛度のタコグラフ記録用紙用基材を提供することができる。また、多層抄き紙の各層の原料を変え、表層は平滑性が得られる原料を用い、中間層や裏層は安価で剛度の高い原料を用いることで、所要の特性のタコグラフ記録用紙用基材を得ることができる。 According to the above configuration, by using a multilayer paper that contains waste paper and contains 30% or more of mechanical pulp with a blending ratio in all layers, the paper thickness can be increased and the rigidity can be increased, It is possible to provide a base material for tachograph recording paper having a necessary rigidity while reducing costs. In addition, by changing the raw material of each layer of the multi-layer paper, the surface layer uses a raw material that provides smoothness, and the intermediate layer and the back layer use a low-cost and high-stiffness raw material. A material can be obtained.
特に、表層を上白古紙とＬＢＫＰの何れか一方又は両者をパルプ原料とするとともに着色して抄造して構成し、中間層と裏層を機械パルプを含む古紙をパルプ原料として抄造して構成すると、表層が上白古紙とＬＢＫＰから成ることで所要の平滑性を確保できるとともに、着色の均一性及び安定性が高く、基材表面に高品質の着色層や記録層を形成することができ、かつ中間層と裏層が機械パルプを含む古紙を含有していることで必要な剛度を確保することができる。 In particular, the surface layer is composed of either one or both of upper white waste paper and LBKP as a pulp raw material and colored and made, and the intermediate layer and the back layer are made by making old paper containing mechanical pulp as a pulp raw material. The surface layer is composed of upper white waste paper and LBKP to ensure the required smoothness, and the color uniformity and stability are high, and a high-quality colored layer or recording layer can be formed on the substrate surface. In addition, since the intermediate layer and the back layer contain used paper containing mechanical pulp, the necessary rigidity can be ensured.
また、全層若しくは表層と裏層又は任意の層に湿潤紙力増強剤を含有させると、高湿環境化での寸法安定性をより確実に保持させることができて好適である。 In addition, it is preferable to add a wet paper strength enhancer to the entire layer, the front layer and the back layer, or an arbitrary layer because the dimensional stability in a high humidity environment can be more reliably maintained.
次に、本発明のいくつかの実施例と比較例を説明する。 Next, some examples and comparative examples of the present invention will be described.
（実施例１）
表層の湿紙は、上質紙の白損から成る上白古紙とＬＢＫＰを１：１の重量比率で配合したものを主成分とし、フリーネス３８０ｍｌに調整し、明度３９となるようにグレー色に着色した原料スラリーを用い、中間層及び裏層の湿紙は、地券古紙を主成分とする原料スラリーを用いた。全原料スラリー中の機械パルプ含有率は６５％であった。そして、全層に湿潤紙力増強剤（「ＷＳ−５４７」、星光ＰＭＣ社製）を７ｋｇ／ｔ添加して多層抄き紙を抄造した。その際に、抄造条件を調整することで、表面の平滑度は５０秒となり、米坪が１６５ｇ／ｍ2 、紙厚が１７７μｍ、密度が０．９３ｇ／ｃｍ3となるように多層抄き紙を抄造した。この多層抄き紙のＪＩＳ Ｐ８１２５に基づくテーバーこわさは縦１．４４ｍＮ・ｍ、横０．７９ｍＮ・ｍであった。また、２３℃、５０％ＲＨの標準環境下から２３℃、９０％ＲＨの環境下に２時間晒した後の伸び率は、縦０．２５％、横０．９５％であった。
Example 1
The wet paper on the surface layer is mainly composed of a mixture of old white paper made of fine white paper and LBKP at a weight ratio of 1: 1, adjusted to a freeness of 380 ml, and colored in gray so that the brightness is 39 The raw material slurry was used, and the wet paper for the intermediate layer and the back layer was a raw material slurry mainly composed of old paper. The mechanical pulp content in all the raw slurry was 65%. Then, 7 kg / t of a wet paper strength enhancer (“WS-547”, manufactured by Seiko PMC) was added to all layers to produce a multilayer paper. At that time, by adjusting the papermaking conditions, the smoothness of the surface is 50 seconds, the paper weight is 165 g / m 2 , the paper thickness is 177 μm, and the density is 0.93 g / cm 3. Made. The Taber stiffness of this multilayer paper based on JIS P8125 was 1.44 mN · m in length and 0.79 mN · m in width. The elongation after exposure for 2 hours from a standard environment of 23 ° C. and 50% RH to an environment of 23 ° C. and 90% RH was 0.25% in length and 0.95% in width.
（実施例２）
表層をＬＢＫＰを主成分とし、明度を３３に変更した以外、実施例１と同様に抄造した。ただし、この変更に伴って、平滑度が５３秒に変化した。
(Example 2)
The surface layer was made in the same manner as in Example 1 except that LBKP was the main component and the brightness was changed to 33. However, with this change, the smoothness changed to 53 seconds.
（実施例３）
中間層及び裏層を、地券古紙とケント古紙を１：１の重量比率で配合したものを主成分にした以外、実施例１と同様に抄造した。この中間層及び裏層のパルプ原料に変更により、全原料スラリー中の機械パルプ含有率は３５％となった。また、紙厚が１７４μｍ、密度が０．９５ｇ／ｃｍ3、テーバーこわさ（横）が０．７１ｍＮ・ｍ、表面の平滑度が５８秒となった。
(Example 3)
The intermediate layer and the back layer were made in the same manner as in Example 1 except that the main component was a mixture of waste paper waste paper and Kent waste paper in a weight ratio of 1: 1. By changing to the intermediate layer and the back layer pulp raw material, the mechanical pulp content in the total raw material slurry was 35%. The paper thickness was 174 μm, the density was 0.95 g / cm 3 , the Taber stiffness (horizontal) was 0.71 mN · m, and the surface smoothness was 58 seconds.
（実施例４）
表層を、上白古紙とＬＢＫＰを４：６の重量比率で配合したものを主成分とし、中間層及び裏層を、地券古紙とケント古紙とＬＢＫＰを４：４：２の重量比率で配合したものを主成分にし、明度を３８に変更した以外、実施例１と同様に抄造した。これらのパルプ原料に変更により、全原料スラリー中の機械パルプ含有率は３０％となった。また、紙厚が１７９μｍ、密度が０．９２ｇ／ｃｍ3、テーバーこわさ（横）が０．７０ｍＮ・ｍ、表面の平滑度が４０秒となった。
Example 4
The top layer is composed of a mixture of upper white waste paper and LBKP at a weight ratio of 4: 6, and the intermediate layer and the back layer are blended at a weight ratio of waste paper, Kent waste paper and LBKP at a weight ratio of 4: 4: 2. The paper was made in the same manner as in Example 1 except that the main component was changed and the brightness was changed to 38. By changing to these pulp raw materials, the mechanical pulp content in all raw material slurries became 30%. The paper thickness was 179 μm, the density was 0.92 g / cm 3 , the Taber stiffness (horizontal) was 0.70 mN · m, and the surface smoothness was 40 seconds.
（実施例５）
各層のパルプ原料は実施例３と同一であるが、抄造条件を変化させ、明度が４５、米坪が１６０ｇ／ｍ2 、紙厚が１７８μｍ、密度が０．９０ｇ／ｃｍ3、テーバーこわさ（横）が０．７４ｍＮ・ｍ、平滑度が２２秒と低くなった多層抄き紙を抄造した。
(Example 5)
The pulp raw material of each layer is the same as in Example 3, but the papermaking conditions are changed, the lightness is 45, the rice basis weight is 160 g / m 2 , the paper thickness is 178 μm, the density is 0.90 g / cm 3 , the Taber stiffness (horizontal ) Was 0.74 mN · m and the smoothness was as low as 22 seconds.
（実施例６）
実施例５と同様に各層のパルプ原料は実施例３と同一であるが、抄造条件を変化させ、明度が３８、米坪が１６５ｇ／ｍ2 、紙厚が１７９μｍ、密度が０．９２ｇ／ｃｍ3、テーバーこわさ（横）が０．７３ｍＮ・ｍ、平滑度が３０秒と実施例５より若干高くなった多層抄き紙を抄造した。
(Example 6)
The pulp raw material of each layer is the same as that of Example 3 as in Example 5, but the papermaking conditions were changed, the lightness was 38, the weight of rice was 165 g / m 2 , the paper thickness was 179 μm, and the density was 0.92 g / cm. 3. A multilayer paper having a Taber stiffness (horizontal) of 0.73 mN · m and a smoothness of 30 seconds, which was slightly higher than Example 5, was produced.
（実施例７）
実施例５と同様に各層のパルプ原料は実施例３と同一であるが、抄造条件を変化させ、明度が３８、米坪が１６５ｇ／ｍ2 、紙厚が１７７μｍ、密度が０．９３ｇ／ｃｍ3、テーバーこわさ（横）が０．７２ｍＮ・ｍ、平滑度が８０秒の多層抄き紙を抄造した。
(Example 7)
As in Example 5, the pulp raw material of each layer is the same as in Example 3, but the papermaking conditions were changed, the lightness was 38, the rice basis weight was 165 g / m 2 , the paper thickness was 177 μm, and the density was 0.93 g / cm. 3. A multilayer paper having a Taber stiffness (horizontal) of 0.72 mN · m and a smoothness of 80 seconds was produced.
（実施例８）
実施例３における中間層と裏層のパルプ原料の地券古紙を中白古紙に変えるが、機械パル含有率は３５％を維持した。また、抄造条件を調整して、明度が２９、米坪が１６８ｇ／ｍ2 、紙厚が１７９μｍ、密度が０．９４ｇ／ｃｍ3、テーバーこわさ（横）が０．７２ｍＮ・ｍ、平滑度が１００秒の多層抄き紙を抄造した。
(Example 8)
In the case of Example 3, the old paper used for the intermediate layer and the back layer of the pulp material was changed to medium white used paper, but the mechanical pal content was maintained at 35%. Also, by adjusting the papermaking conditions, the lightness is 29, the tsubo weight is 168 g / m 2 , the paper thickness is 179 μm, the density is 0.94 g / cm 3 , the Taber stiffness (width) is 0.72 mN · m, and the smoothness is A 100 second multilayer paper was made.
（実施例９）
実施例８で中間層と裏層のパルプ原料における中白古紙とケント古紙の比率が５：５であったものを、ＬＢＫＰを配合して、中白古紙とケント古紙とＬＢＫＰの比率を５：４：１に変えるが、機械パル含有率は３５％を維持した。また、抄造条件を調整して、明度が２８、米坪が１７１ｇ／ｍ2 、紙厚が１８０μｍ、密度が０．９５ｇ／ｃｍ3、テーバーこわさ（横）が０．７１ｍＮ・ｍ、平滑度が１９５秒と高い多層抄き紙を抄造した。
Example 9
In Example 8, the ratio of the intermediate white paper to the Kent waste paper in the intermediate layer and the back layer of the pulp raw material was 5: 5, LBKP was blended, and the ratio of the intermediate white waste paper to the Kent waste paper to the LBKP was 5: 5. Although changed to 4: 1, the mechanical pal content was maintained at 35%. Also, by adjusting the papermaking conditions, the lightness is 28, the rice paper weight is 171 g / m 2 , the paper thickness is 180 μm, the density is 0.95 g / cm 3 , the Taber stiffness (width) is 0.71 mN · m, and the smoothness is A multi-layer paper having a high value of 195 seconds was made.
（比較例１）
表層及び中間層と裏層の全てがＬＢＫＰで、機械パルプを含有しない原料パルプを用い、抄造条件を調整して、明度が３９、米坪が１６５ｇ／ｍ2 、紙厚が１７０μｍ、密度が０．９７ｇ／ｃｍ3、テーバーこわさ（横）が０．６９ｍＮ・ｍ、平滑度が７０秒の多層抄き紙を抄造した。
(Comparative Example 1)
All of the surface layer, the intermediate layer and the back layer are LBKP, using raw material pulp not containing mechanical pulp, and adjusting the papermaking conditions, the lightness is 39, the tsubo is 165 g / m 2 , the paper thickness is 170 μm, and the density is 0 A multilayer paper having a 97.97 g / cm 3 , Taber stiffness (width) of 0.69 mN · m, and a smoothness of 70 seconds was produced.
（比較例２）
表層は実施例１、３〜９と同様に上白古紙とＬＢＫＰの配合比率を１：１とし、中間層と裏層は比較例１と同様にＬＢＫＰとした、機械パルプを含有しない原料パルプを用い、抄造条件を調整して、明度が４８、米坪が１６５ｇ／ｍ2 、紙厚が１５３μｍ、密度が１．０８ｇ／ｃｍ3、テーバーこわさ（横）が０．６５ｍＮ・ｍ、平滑度が３２０秒と非常に高い多層抄き紙を抄造した。
(Comparative Example 2)
The surface layer is the same as in Examples 1 and 3-9, and the mixing ratio of the upper white waste paper and LBKP is 1: 1, and the intermediate layer and the back layer are LBKP as in Comparative Example 1, and the raw material pulp containing no mechanical pulp is used. Use, adjusting papermaking conditions, lightness is 48, US basis weight is 165 g / m 2 , paper thickness is 153 μm, density is 1.08 g / cm 3 , Taber stiffness (width) is 0.65 mN · m, smoothness is A very high multi-layer paper was made at 320 seconds.
（比較例３）
比較例２に対して、中間層と裏層の原料パルプを、ＬＢＫＰが１００％から地券古紙とケント古紙の配合比率を３：７に変化させ、機械パルプを２５％含有する原料パルプを用いた。そして、抄造条件を調整して、明度が３９、米坪が１６５ｇ／ｍ2 、紙厚が１６５μｍ、密度が１．００ｇ／ｃｍ3、テーバーこわさ（横）が０．６７ｍＮ・ｍ、平滑度が９０秒の多層抄き紙を抄造した。
(Comparative Example 3)
Compared with Comparative Example 2, the raw material pulp of the intermediate layer and the back layer was changed from 100% LBKP to 3: 7, and the raw pulp containing 25% mechanical pulp was used. It was. Then, by adjusting the papermaking conditions, the lightness is 39, the weight per square meter is 165 g / m 2 , the paper thickness is 165 μm, the density is 1.00 g / cm 3 , the Taber stiffness (width) is 0.67 mN · m, and the smoothness is A 90 second multilayer paper was made.
（比較例４）
実施例１、２に対して表層の上白古紙に変えて中白古紙を用い、ＬＢＫＰと中白古紙の配合比率を１：１とし、機械パルプ含有率を７０％と高くした原料パルプを用い、抄造条件を調整して、明度が３９、米坪が１６５ｇ／ｍ2 、紙厚が１７９μｍ、密度が０．９２ｇ／ｃｍ3、テーバーこわさ（横）が０．８０ｍＮ・ｍ、平滑度が６０秒の多層抄き紙を抄造した。
(Comparative Example 4)
Using raw white paper with medium white old paper instead of upper white old paper for Examples 1 and 2, with a blending ratio of LBKP and old white paper of 1: 1, and a high mechanical pulp content of 70% By adjusting the papermaking conditions, the lightness is 39, the weight per square meter is 165 g / m 2 , the paper thickness is 179 μm, the density is 0.92 g / cm 3 , the Taber stiffness (width) is 0.80 mN · m, and the smoothness is 60 Second multi-layer paper was made.
（比較例５）
表層に中白古紙、中間層と裏層に地券古紙を用いて、機械パルプ含有率を８０％と高くした原料パルプを用い、抄造条件を調整して、明度が２７、米坪が１６０ｇ／ｍ2 、紙厚が１７６μｍ、密度が０．９１ｇ／ｃｍ3、テーバーこわさ（横）が０．８１ｍＮ・ｍ、平滑度が１８秒と低い多層抄き紙を抄造した。
(Comparative Example 5)
Using raw white paper for the surface layer, old paper for the middle layer and back layer, and using raw material pulp with a high mechanical pulp content of 80%, adjusting the papermaking conditions, the lightness is 27, the rice tsubo is 160 g / A multilayer paper having a low m 2 , paper thickness of 176 μm, density of 0.91 g / cm 3 , Taber stiffness (horizontal) of 0.81 mN · m and smoothness of 18 seconds was produced.
以上の実施例１〜９及び比較例１〜５で得られた多層抄き紙をタコグラフ記録用基材とし、その表層の表面上に、
日本ゼオン株式会社製 ＭＨＧ５０４０（架橋アクリル／スチレン共重合体中空ポリマー粒子）１００重量部（固形分）
住友化学株式会社製 スミカフレックス８８０（酢酸ビニル・エチレン・塩ビエマルジョン）２０重量部（固形分）
からなる組成物を、エアーナイフコーターを用いて５ｇ／ｍ2 の塗布量で塗布し、タコグラフ記録用紙を製造した。
The multilayer paper obtained in Examples 1 to 9 and Comparative Examples 1 to 5 was used as a tachograph recording substrate, and on the surface of the surface layer,
100 parts by weight (solid content) of MHG5040 (crosslinked acrylic / styrene copolymer hollow polymer particles) manufactured by Nippon Zeon Co., Ltd.
Sumitomo Chemical Co., Ltd. Sumikaflex 880 (vinyl acetate / ethylene / vinyl chloride emulsion) 20 parts by weight (solid content)
The composition consisting of the above was applied at a coating amount of 5 g / m 2 using an air knife coater to produce a tachograph recording sheet.
各タコグラフ記録用紙を運行記録計に実装し、以下の基準により記録性について評価した。 Each tachograph recording paper was mounted on an operation recorder, and the recordability was evaluated according to the following criteria.
記録濃度
◎ 記録線が鮮明であった
○ 記録線が鮮明でないが、実用上問題ない程度であった
△ 記録線に部分的に不鮮明な部分が生じた
× 記録線が不鮮明であった
記録線とび
◎ 記録とびが無かった
○ 記録とびは無いが、記録線の太さが一定でなかった
× 記録とびが発生した
空回り
◎ 空回りがなかった
○ 空回りは発生しないが、実用上問題ない程度の僅かな位置ずれを生じた
△ 空回りは発生しないが、位置ずれが目立った
× 空回りが発生した
また、以上の記録性の評価とともに、環境負荷について、ＬＢＫＰを使用しない場合は◎、一部に使用する場合は○、全部叉は大部分がＬＢＫＰの場合を×と評価した。
Recording density ◎ The recording line was clear. ○ The recording line was not clear, but there was no problem in practical use. △ The recording line was partially unclear. × The recording line was unclear. ◎ No recording skipping ○ No recording skipping, but the recording line thickness was not constant × Recording skipping occurred Empty ◎ No idle rotation ○ No idle rotation occurred, but there was no practical problem A misalignment occurred △ No idle rotation occurred, but the misalignment was noticeable x An idle rotation occurred. In addition to the above evaluation of recordability, ◎ when not using LBKP, and partially used Was evaluated as ◯, and the case of all or most of LBKP was evaluated as x.
表１から、表層が上白古紙とＬＢＫＰから成り、かつ機械パルプ含有率が３０％以上、テーバーこわさ（横）が０．７０ｍＮ・ｍ以上、平滑度が２０秒以上である実施例１〜９では、記録性評価及び環境負荷で良好な結果が得られことが分かる。また、その中でもテーバーこわさが０．７０〜０．７２と相対的に低い実施例３、４、７〜９では、対空回り特性で若干劣り、平滑度が２０〜３０秒と相対的に低い実施例５、６では対記録とび特性で若干劣り、また明度が４５と高い実施例５と平滑度が１００〜２００の実施例８、９では濃度が若干劣ることになる。 From Table 1, Examples 1 to 9 in which the surface layer is composed of upper white waste paper and LBKP, the mechanical pulp content is 30% or more, the Taber stiffness (horizontal) is 0.70 mN · m or more, and the smoothness is 20 seconds or more. Thus, it can be seen that good results can be obtained with the recordability evaluation and the environmental load. Among them, Examples 3, 4, and 7-9, which have a relatively low Taber stiffness of 0.70 to 0.72, are slightly inferior in anti-air-rotation characteristics and have a relatively low smoothness of 20 to 30 seconds. In Examples 5 and 6, the anti-recording jump characteristics are slightly inferior, and in Examples 5 and 9 in which the brightness is 45, which is high, and in Examples 8 and 9 in which the smoothness is 100 to 200, the density is slightly inferior.
一方、機械パルプを含有せず、全てがＬＢＫＰから成る比較例１では、１６５ｇ／ｍ2 という同様の米坪で、テーバーこわさ（横）が０．６９ｍＮ・ｍで、０．７０ｍＮ・ｍ以下であるので、対空回り特性で劣りかつ環境負荷が大きい。また、機械パルプを含有せず、中間層と裏層がＬＢＫＰから成るとともに平滑度が３２０秒と非常に高くなっている比較例２では、記録濃度、対空回り特性で劣りかつ環境負荷が大きい。また、機械パルプ含有率が２５％と、３０％に満たず、平滑度が９０秒と多少高い目の比較例３では、濃度が若干劣り、対空回り特性が不良である。また、表層に中白古紙を含み、機械パルプ含有率が７０％の比較例４では、対記録とび特性が不良である。また、表層がすべて中白古紙で、機械パルプ含有率が８０％の比較例５では、明度が２７と低いため濃度が若干劣り、対記録とび特性が不良である。
On the other hand, in the comparative example 1 which does not contain mechanical pulp and is entirely made of LBKP, the Taber stiffness (horizontal) is 0.69 mN · m and 0.70 mN · m or less with the same US basis weight of 165 g / m 2. As a result, the anti-air travel characteristics are inferior and the environmental load is large. Further, in Comparative Example 2 which does not contain mechanical pulp, the intermediate layer and the back layer are made of LBKP, and the smoothness is very high at 320 seconds, the recording density and anti-air-rotation characteristics are inferior and the environmental load is large. Further, in Comparative Example 3 in which the mechanical pulp content is 25%, less than 30%, and the smoothness is slightly high as 90 seconds, the concentration is slightly inferior and the anti-circularity characteristics are poor. Further, in Comparative Example 4 in which the surface layer contains medium white old paper and the mechanical pulp content is 70%, the anti-recording jump characteristic is poor. Further, in Comparative Example 5 in which all the surface layers are medium white old paper and the mechanical pulp content is 80%, the lightness is as low as 27, so the density is slightly inferior and the anti-recording characteristics are poor.
Claims (4)
かつその表層が上白古紙とＬＢＫＰの何れか一方又は両者をパルプ原料とするとともに着色して抄造して構成され、中間層と裏層が機械パルプを含む古紙をパルプ原料として抄造して構成されている多層抄き着色板紙から成ることを特徴とするタコグラフ記録用紙用基材。 Consists of multi-layer paper that contains waste paper and contains 30% or more of mechanical pulp in the blend ratio in all layers,
In addition, the surface layer is composed of one or both of upper white waste paper and LBKP as a pulp material and colored and made, and the intermediate layer and the back layer are made by making waste paper containing mechanical pulp as a pulp material. A substrate for tachograph recording paper, characterized in that it comprises a multi-layered colored paperboard.
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| JP5178326B2 (en) * | 2008-05-29 | 2013-04-10 | 大王製紙株式会社 | Shock absorber base material for steel plate coil packing and shock absorber for steel plate coil packing |
| JP7224108B2 (en) * | 2018-03-20 | 2023-02-17 | 大王製紙株式会社 | tissue paper container |
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| JPH0968443A (en) * | 1995-08-30 | 1997-03-11 | Lintec Corp | Recording paper |
| JPH11105202A (en) * | 1997-10-07 | 1999-04-20 | Mitsubishi Paper Mills Ltd | Base for printed image material |
| JP2001174295A (en) * | 1999-12-15 | 2001-06-29 | Lintec Corp | Sheet for recording |
| JP2001355192A (en) * | 2000-06-13 | 2001-12-26 | Daio Paper Corp | Drawing paper |
| JP2002220792A (en) * | 2001-01-25 | 2002-08-09 | Oji Paper Co Ltd | Paper for processing |
| JP2003011499A (en) * | 2002-08-30 | 2003-01-15 | Lintec Corp | Recording paper |
| JP2005048293A (en) * | 2003-07-29 | 2005-02-24 | Daio Paper Corp | Color liner and method for producing the same |
| JP2005105490A (en) * | 2003-10-01 | 2005-04-21 | Daio Paper Corp | Multilayer cardboard |
| JP2005133223A (en) * | 2003-10-28 | 2005-05-26 | Daio Paper Corp | Multiply paperboard and method for producing the same |
| JP2005208013A (en) * | 2004-01-26 | 2005-08-04 | Sansui Kk | Recyclable tachograph recording paper |
-
2004
- 2004-08-02 JP JP2004225242A patent/JP4485877B2/en not_active Expired - Lifetime
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0968443A (en) * | 1995-08-30 | 1997-03-11 | Lintec Corp | Recording paper |
| JPH11105202A (en) * | 1997-10-07 | 1999-04-20 | Mitsubishi Paper Mills Ltd | Base for printed image material |
| JP2001174295A (en) * | 1999-12-15 | 2001-06-29 | Lintec Corp | Sheet for recording |
| JP2001355192A (en) * | 2000-06-13 | 2001-12-26 | Daio Paper Corp | Drawing paper |
| JP2002220792A (en) * | 2001-01-25 | 2002-08-09 | Oji Paper Co Ltd | Paper for processing |
| JP2003011499A (en) * | 2002-08-30 | 2003-01-15 | Lintec Corp | Recording paper |
| JP2005048293A (en) * | 2003-07-29 | 2005-02-24 | Daio Paper Corp | Color liner and method for producing the same |
| JP2005105490A (en) * | 2003-10-01 | 2005-04-21 | Daio Paper Corp | Multilayer cardboard |
| JP2005133223A (en) * | 2003-10-28 | 2005-05-26 | Daio Paper Corp | Multiply paperboard and method for producing the same |
| JP2005208013A (en) * | 2004-01-26 | 2005-08-04 | Sansui Kk | Recyclable tachograph recording paper |
Also Published As
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|---|---|
| JP2006045697A (en) | 2006-02-16 |
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