JP4806361B2 - Fan paper - Google Patents

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Publication number
JP4806361B2
JP4806361B2 JP2007028879A JP2007028879A JP4806361B2 JP 4806361 B2 JP4806361 B2 JP 4806361B2 JP 2007028879 A JP2007028879 A JP 2007028879A JP 2007028879 A JP2007028879 A JP 2007028879A JP 4806361 B2 JP4806361 B2 JP 4806361B2
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paper
layers
pigment
delamination strength
inorganic pigments
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JP2008190097A (en
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敏典 小林
進 小畑
正夫 木村
雅義 小泉
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Hokuetsu Kishu Paper Co Ltd
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Hokuetsu Kishu Paper Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide paper of low delamination strength meeting requirements such as for applications of using paper by peeling itself interlaminarly and those of sticking bones interlaminarly. <P>SOLUTION: The paper is pigment-sprayed paper obtained by papermaking in multilaminar way, being such as to be decreased in delamination strength by papermaking through interlaminarly spraying a pigment in the form of a dispersion. <P>COPYRIGHT: (C)2008,JPO&amp;INPIT

Description

本発明は、二層抄き以上で層間剥離強度が弱くなるように抄紙した扇子用紙のように、紙の層間に骨を刺すような用途に関する。 The present invention, as the fan stator sheet having paper as delamination strength is weakened in two-ply or more, to uses Lancinating bone between layers of paper.

従来、紙の層間剥離強度に関する技術としては、強度向上を目的として、生澱粉、燐酸エステル澱粉、カチオン澱粉、アニオン澱粉、両性澱粉、馬鈴薯澱粉、アクリルアミドなどを、紙の層間にスプレーするなどの技術が一般的であり、そのための多種多様の方法が提案されてきたが、反対に層間剥離強度を弱めて、工業的材料として使用するという技術の提案は皆無であった。    Conventionally, as technology related to the delamination strength of paper, for the purpose of improving strength, technologies such as spraying raw starch, phosphate starch, cationic starch, anionic starch, amphoteric starch, potato starch, acrylamide, etc. between paper layers However, there has been no proposal of a technique for reducing the delamination strength and using it as an industrial material.

しかし、印刷などを行った後に紙の層間で剥いで使用する、掛け軸用紙、写経用紙、表具用紙など、又は紙の層間に骨を刺す扇子用紙など、比較的、層間剥離強度の弱い紙を望む用途も多岐に渡り存在し、層間剥離強度向上だけでなく、作業性を向上させるために、層間剥離強度を弱く抄紙した方が都合の良い用途もある。   However, it is desirable to use paper with relatively low delamination strength, such as hanging paper, copying paper, cover paper, or fan paper that pierces bone between paper layers, which is peeled between paper layers after printing. There are a variety of uses, and in order to improve not only the delamination strength but also the workability, it is more convenient to make paper with a weak delamination strength.

本発明は、層間に骨を刺す用途など、作業性向上のために、比較的層間剥離強度が弱めであることを要求される分野に、その要求に応じた紙を提供することを目的とする。 The invention, and objectives such applications prick bone between the layers, for improving workability, in the field of relatively delamination strength is required that is weakened to provide a paper in response to the request To do.

本発明は、前記課題に着目し、鋭意研究を重ねた結果、二層抄き以上の紙の層間に、ピグメント分散液をスプレーすることによって、層間剥離強度を弱めることができ、かつ、ピグメントの種類、ピグメント分散液の濃度およびピグメント付与量を変えることによって、要求に応じた弱い層間剥離強度の扇子用紙を提供できることを見出した。 The present invention pays attention to the above-mentioned problem, and as a result of extensive research, it is possible to weaken the delamination strength by spraying the pigment dispersion liquid between the paper layers of two or more layers, and the pigment type, by varying the concentration and Pigment application amount of pigment dispersion was found to be able to provide a fan for feeding the weak delamination strength in accordance with the request.

すなわち本発明は、二層以上で抄紙する扇子用紙において、該層間に無機系ピグメントを、無機系ピグメントだけを水に分散させたピグメント分散液として0.2〜1.4g/m の無機系ピグメント適用量でスプレーして抄紙することによって層間剥離強度を5N/m〜25N/mとしたことを特徴とする扇子用紙を提供する。 That is, the present invention provides a fan for feeding the paper in two or more layers, the inorganic pigments between the layers, only the inorganic pigment as a pigment dispersion prepared by dispersing in water a 0.2~1.4g / m 2 inorganic providing fan for paper, characterized in that the interlayer peel strength was 5N / m~25N / m by paper by spraying in a system pigment application amount.

また、本発明は、層間剥離強度を5N/m〜25N/mとした、二層以上で抄紙する扇子用紙の製造方法において、該層間に無機系ピグメントを、無機系ピグメントだけを水に分散させた無機系ピグメント濃度0.5%〜30%の分散液として0.2〜1.4g/m の無機系ピグメント適用量でスプレーし、スプレーされた湿紙を重ねて吸引および/またはプレス脱水し、その後で乾燥工程をへて抄き合わせ抄造することを特徴とする、上記方法を提供する。 Further, the present invention is that the delamination strength was 5N / m~25N / m, the dispersion in the manufacturing method of the fan for feeding the paper in two or more layers, the inorganic pigments between the layers, only the inorganic pigments in water Sprayed with an inorganic pigment application amount of 0.2 to 1.4 g / m 2 as a dispersion having a concentration of 0.5 to 30% of the inorganic pigment concentration, and superimposed and sprayed wet paper. There is provided the above-mentioned method , characterized in that it is dehydrated, and then subjected to a drying process to make paper sheets.

本発明の層間にスプレーされたピグメントが層間剥離強度を弱める理由は、ピグメントがパルプ繊維間に介在して、パルプ繊維間の結合を阻害することによって、層間剥離強度が低下するためと思われる。 従って層間に適用されるピグメントの量は層間剥離強度を適当な程度に弱めるために重要な要素である。層間のピグメント適用量は経済性および製造能率から少ないスプレー回数、即ち1度または2度、特に好ましくは1度のスプレー回数による場合には、スプレーされるピグメント濃度によって調整できる。しかしスプレー回数を複数回にすれば、1回毎のピグメント濃度でなく合計のピグメント適用量が最も重要となることは言うまでもない。    The reason why the pigment sprayed between the layers of the present invention weakens the delamination strength is thought to be because the delamination strength decreases due to the pigment interposing between the pulp fibers and inhibiting the bonding between the pulp fibers. Accordingly, the amount of pigment applied between the layers is an important factor in reducing the delamination strength to an appropriate degree. The amount of pigment applied between the layers can be adjusted according to the concentration of the pigment to be sprayed when the number of sprays is small, that is, 1 or 2 times, particularly preferably 1 time, because of economy and production efficiency. However, if the number of sprays is made multiple times, it is needless to say that the total pigment application amount is the most important, not the pigment concentration at each time.

ピグメント分散液の濃度が低くピグメント適用量が少ないと、ピグメント分散液をスプレーしない紙に近い層間剥離強度となり、ピグメント分散液の濃度が高くピグメント適用量が多いと、抄紙時に剥離してしまう程、層間剥離強度が限りなく0 N/mに近くなる。したがって、ピグメント分散液の濃度を変えてピグメント適用量を変えることによって、層間剥離強度を任意に選択することができる。   When the concentration of the pigment dispersion is low and the amount of applied pigment is small, the delamination strength is close to that of paper that does not spray the pigment dispersion, and when the concentration of the pigment dispersion is high and the amount of applied pigment is large, peeling occurs during papermaking. The delamination strength is as close as possible to 0 N / m. Therefore, the delamination strength can be arbitrarily selected by changing the pigment application amount by changing the concentration of the pigment dispersion.

鋭意研究の結果、ピグメント分散液の濃度が低過ぎ0.1g/m以下のピグメント適用量だと、層間剥離強度が40 N/m以上となり、剥がすときの抵抗が強すぎて、剥がしにくく作業性が悪くなる。 また、骨を刺すときの抵抗が強すぎて、骨が刺しにくく作業性が悪くなる。 As a result of diligent research, when the concentration of the pigment dispersion is too low and the applied amount of pigment is 0.1 g / m 2 or less, the delamination strength becomes 40 N / m or more, the resistance when peeling is too strong, and the work is difficult to remove. Sexuality gets worse. In addition, the resistance when piercing the bone is too strong, making it difficult for the bone to pierce and the workability deteriorates.

また、ピグメント分散液の濃度が高過ぎて6g/m以上のピグメント適用量だと、層間剥離強度が1 N/m以下になり、常態でも剥がれ易くなり、抄紙時又は印刷時に剥がれたり、骨を刺したときに、そこからはらはらと全体に剥がれてしまったりする。 If the pigment dispersion concentration is too high and the applied amount of pigment is 6 g / m 2 or more, the delamination strength becomes 1 N / m or less, and it is easy to peel off even in normal conditions. When it is stabbed, it peels off from there.

よって、ピグメント分散液を紙の層間にスプレーすることによって、層間剥離強度の弱い紙を得ることができるようになるが、扇子用紙などの用途としては、抄紙した紙の層間剥離強度をN/m〜25N/mとすることが望ましい。 Therefore, by spraying the pigment dispersion between layers of paper, but it is possible to obtain a weak paperless delamination strength, as applications such as fan child paper, paper making and 5 delamination strength of paper it was N / M to 25 N / m is desirable.

前述したように、本発明によって、紙の層間剥離強度を任意に弱めることができ、層間に骨を刺す用途などに提供でき、それらの用途での作業性を画期的に向上できる。 As described above, the present invention, delamination strength of the paper can be arbitrarily weakening can be provided such as in applications where stinging bone between layers can remarkably improve workability in those applications.

以下、本発明について説明するが、本発明はこれらの実施形態に限定して解釈されない。   Hereinafter, the present invention will be described, but the present invention is not construed as being limited to these embodiments.

本発明は、木材パルプを用いて抄紙し、その抄紙の途中で層間剥離強度を弱めるために、ピグメント分散液を層間にスプレーして抄造したピグメントスプレー紙である。   The present invention is a pigment spray paper which is made by making paper using wood pulp and making the paper by spraying a pigment dispersion liquid between the layers in order to weaken the delamination strength during the paper making.

本発明の紙を構成する材料、構成要素及びその製法について項分けして説明する。   The materials, components, and manufacturing methods of the paper of the present invention will be described separately.

本発明で使用する木材パルプとしては、主にN−BKP(針葉樹晒しクラフトパルプ)及びL−BKP(広葉樹晒しクラフトパルプ)に代表される木材漂白化学パルプが使用される。必要に応じて、GP(砕木パルプ)、TMP(サーモメカニカルパルプ)、BCTMP(晒ケミサーモメカニカルパルプ)などの機械パルプ、古紙パルプを適宜配合することもできる。   As the wood pulp used in the present invention, wood bleached chemical pulp typified by N-BKP (softwood bleached kraft pulp) and L-BKP (hardwood bleached kraft pulp) is mainly used. If necessary, mechanical pulp such as GP (crushed wood pulp), TMP (thermomechanical pulp), BCTMP (bleached chemothermomechanical pulp), and used paper pulp can be appropriately blended.

二層以上の各層の坪量は、特に限定されるものではないが、要望によって任意に設定できる。また、層の数も、設定坪量に合わせて、任意に設定できる。また、スプレーをする層間の数は、剥がす箇所の数又は骨を差し込む箇所の数によって任意に選択できる。
(スプレー用ピグメント)
スプレー用ピグメントとしては、カオリンクレー、タルク、炭酸カルシウム、酸化チタン、シリカ、水酸化アルミニウムなどが適宜用いられる。
(添加薬品)
スプレー用ピグメント以外に、他の要求特性に応じて、紙料中には、サイズ剤、紙力剤、填料、バンド、歩留まり向上剤、染料、蛍光染料などが適宜用いられる。
The basis weight of each layer of two or more layers is not particularly limited, but can be arbitrarily set according to demand. Also, the number of layers can be arbitrarily set according to the set basis weight. Further, the number of layers to be sprayed can be arbitrarily selected depending on the number of places to be peeled off or the number of places to insert bones.
(Pigment for spray)
As the spray pigment, kaolin clay, talc, calcium carbonate, titanium oxide, silica, aluminum hydroxide and the like are appropriately used.
(Additive chemicals)
In addition to the spray pigment, a sizing agent, a paper strength agent, a filler, a band, a yield improver, a dye, a fluorescent dye, and the like are appropriately used in the paper according to other required characteristics.

サイズ剤としては、中性ロジンサイズ剤、酸性ロジンサイズ剤、アルキルケテンダイマーなどが適宜用いられる。   As the sizing agent, a neutral rosin sizing agent, an acidic rosin sizing agent, an alkyl ketene dimer, and the like are appropriately used.

紙力剤としては、各種澱粉、ポリアクリルアミド(PAM)などが適宜用いられる。   As the paper strength agent, various starches, polyacrylamide (PAM) and the like are appropriately used.

歩留まり向上剤としては、コロイダルシリカ、ポリアクリルアミド、ポリエチレンイミンなどが適宜用いられる。   As the yield improver, colloidal silica, polyacrylamide, polyethyleneimine, or the like is appropriately used.

紙の製法は、複数のシリンダーバットをもつ丸網抄紙機で抄紙し、プレス工程、乾燥工程などを経て紙を抄造する。また、乾燥工程の中間に設置されるオンマシンサイズプレス装置で、表面サイズ処理を行える。通常の2本ロールサイズプレスの他、ゲートロールサイズプレス、メタリングサイズプレスなども使用できる。   The paper is made with a round net paper machine having a plurality of cylinder bats, and the paper is made through a pressing process, a drying process, and the like. In addition, surface sizing can be performed by an on-machine size press apparatus installed in the middle of the drying process. In addition to a normal two-roll size press, a gate roll size press, a metering size press, and the like can also be used.

表面サイズ液としては、各種澱粉、ポリビニルアルコール(PVA)、PAM、水分散エマルジョンバインダーなどが適宜用いられる。   As the surface sizing solution, various starches, polyvinyl alcohol (PVA), PAM, water-dispersed emulsion binders and the like are appropriately used.

填料としては、カオリンクレー、タルク、炭酸カルシウム、酸化チタン、シリカ、水酸化アルミニウムなどが適宜用いられる。   As the filler, kaolin clay, talc, calcium carbonate, titanium oxide, silica, aluminum hydroxide and the like are appropriately used.

本発明によって、スプレーを施す方法としては、抄紙機上で通常通り、ワイヤーに走行方向に対して直角にスプレーノズルを設置し、要求される層間剥離強度に応じて、濃度0.5%〜30%程度のピグメント分散液を0.1〜6g/mの適用量でスプレーする。 According to the present invention, as a method of spraying, as usual on a paper machine, a spray nozzle is installed at a right angle to the running direction on the wire, and the concentration is 0.5% to 30 depending on the required delamination strength. % Of the pigment dispersion is sprayed at an applied amount of 0.1 to 6 g / m 2 .

次にスプレーされた湿紙を複数枚重ねて吸引脱水、プレス脱水した後、乾燥工程を経て抄造し、ピグメントスプレー紙を得る。   Next, a plurality of sprayed wet paper sheets are superposed and subjected to suction dehydration and press dehydration, followed by paper making through a drying process to obtain pigment spray paper.

以上の製法による効果によって、紙の層間剥離強度を任意に弱めることができ、剥がして使う用途、層間に骨を刺す用途などに提供でき、それらの用途での作業性を画期的に向上できる。   Due to the effects of the above-mentioned manufacturing method, the delamination strength of paper can be reduced arbitrarily, and it can be provided for use that peels it off, uses that pierce bone between layers, etc., and operability in those uses can be dramatically improved .

また、抄造後には、スーパーキャレンダー、マシンキャレンダー、ソフトキャレンダーなどのキャレンダー装置を用いて平滑化処理も行うことができる。   Moreover, after papermaking, smoothing can also be performed using a calendar device such as a super calendar, a machine calendar, or a soft calendar.

[実施例]
以下、実施例を挙げて本発明を、より具体的に説明するが、本発明はこれら実施例に限定されるものではない。また、例中の「%」は特に断らない限り「固形質量%」を、「部」は「質量部」を示す。
[Example]
EXAMPLES Hereinafter, although an Example is given and this invention is demonstrated more concretely, this invention is not limited to these Examples. In the examples, “%” indicates “solid mass%” and “parts” indicates “parts by mass” unless otherwise specified.

≪ピグメントスプレー紙の作成≫
<原料配合>
N−BKP50%とL−BKP50%からなるカナディアンスタンダードフリーネス(CSF)470mlのパルプスラリーに、パルプ100質量部(固形分)に対してサイズ剤0.3質量部、バンド0.2質量部を添加し、原料とした。
≪Creation of pigment spray paper≫
<Raw material formulation>
Addition of 0.3 parts by weight of sizing agent and 0.2 parts by weight of band to 100 parts by weight (solid content) of pulp slurry of 470 ml of Canadian Standard Freeness (CSF) consisting of 50% N-BKP and 50% L-BKP And used as a raw material.

前記原料を用いて、丸網抄紙機によって四層抄きを行い、表層を坪量40g/m、中層を坪量50g/mと50g/mの二層、及び裏層を坪量40g/mとして抄紙し、湿紙を抄き合わせる前に、次に示す配合のピグメント分散液を、前記中層の二層の中間にスプレーノズルを使って1回でスプレーし、本発明のピグメントスプレー紙を抄造した。 Using the raw materials, four-layer papermaking is performed with a round net paper machine, the surface layer is 40 g / m 2 in basis weight, the middle layer is in two layers with basis weights 50 g / m 2 and 50 g / m 2 , and the back layer is in basis weight. Before making paper with 40 g / m 2 and making wet paper together, the pigment dispersion of the following composition is sprayed once between the two middle layers using a spray nozzle to produce the pigment of the present invention. Spray paper was made.

<ピグメント分散液配合>
タルク(Tライト83、製造元:太平タルク社)を、水で分散して固形分で3%濃度とした。タルク適用量は0.6g/mである。
<Pigment dispersion formulation>
Talc (T-light 83, manufacturer: Taihei Talc Co., Ltd.) was dispersed with water to give a solid content of 3%. The applied amount of talc is 0.6 g / m 2 .

実施例1において、ピグメント分散液配合で、タルクの固形分濃度を7%とし、他は実施例1と同様にして本発明のピグメントスプレー紙を抄造した。タルク適用量は1.4g/mである。 The pigment spray paper of the present invention was made in the same manner as in Example 1 except that in Example 1, the pigment dispersion was mixed and the solid content concentration of talc was 7%. The applied amount of talc is 1.4 g / m 2 .

実施例1において、ピグメント分散液配合で、タルクの固形分濃度を1%とし、他は実施例1と同様にして本発明のピグメントスプレー紙を抄造した。タルク適用量は0.2g/mである。 The pigment spray paper of the present invention was made in the same manner as in Example 1 except that the solid content concentration of talc was 1% in the pigment dispersion mixture in Example 1. The applied amount of talc is 0.2 g / m 2 .

実施例1において、ピグメント分散液配合で、タルクの代わりに、カオリンクレーを使用して、他は実施例1と同様にして本発明のピグメントスプレー紙を抄造した。カオリンクレー適用量は0.6g/mである。
(比較例1)
実施例1において、ピグメント分散液を中間層にノズルでスプレーしない以外は、実施例1と同様にしてピグメントをスプレーしない紙を抄造した。
(比較例2)
実施例1において、ピグメント分散液の代わりに馬鈴薯湖化澱粉の0.2%分散液を用いる以外は、実施例1と同様にして澱粉スプレー紙を抄造した。澱粉適用量は0.02g/mである。
The pigment spray paper of the present invention was made in the same manner as in Example 1 except that kaolin clay was used instead of talc in the pigment dispersion formulation in Example 1. The amount of kaolin clay applied is 0.6 g / m 2 .
(Comparative Example 1)
In Example 1, paper that does not spray pigment was produced in the same manner as in Example 1 except that the pigment dispersion was not sprayed onto the intermediate layer with a nozzle.
(Comparative Example 2)
In Example 1, a starch spray paper was made in the same manner as in Example 1 except that a 0.2% dispersion of potato lake starch was used instead of the pigment dispersion. The starch application amount is 0.02 g / m 2 .

Figure 0004806361
Figure 0004806361

(1)層間剥離強度の測定方法
JAPAN TAPPI 紙パルプ試験方法 No.19−1「板紙−すき合わせ層のはく離強さ試験方法−第1部:最大荷重測定方法」による
(2)手による剥がし易さの試験方法
50mm幅でカットして、手の指を用いて紙の層間から剥がし、次のように判定する。
○−簡単に、軽く層間で剥がすことができる。
△−層間で剥がすことができるが、重い感じがして、ゆっくり剥がさないと、他の層 に移動し、剥がす用途の紙としては、作業性が悪い。
×−なかなか剥がし難く、きれいに層間で剥ぐことができず、すぐに他の層に移動し てしまい、剥がす用途の紙としては、全く商品価値が無い。
(3)紙層間への骨の刺し易さの試験方法
紙の層間に扇子の骨を刺し、次のように判定する。
○−簡単に、軽く層間に骨を刺すことができる。
△−層間に骨を刺すことができるが、重い感じがして、ゆっくり刺さないと、他の層 に骨が移動してしまい、骨を刺す用途の紙としては、作業性が悪い。
×−なかなか骨を刺すことができず、きれいに層間に刺せず、すぐに他の層に骨が移 動してしまい、骨を刺す用途の紙としては、全く商品価値が無い。
(1) Measuring method of delamination strength
JAPAN TAPPI Paper Pulp Test Method No. According to 19-1 “Paperboard-Test method for peel strength of bonded layers-Part 1: Maximum load measurement method”
(2) Test method for ease of peeling by hand
Cut with a width of 50 mm, peel off from the paper layer using the fingers of the hand, and determine as follows.
○-Can be easily and lightly peeled off between layers.
△-Can be peeled between layers, but feels heavy and if not peeled slowly, it moves to another layer and is not workable as paper for peeling.
×-Hard to peel off, cannot be peeled cleanly between layers, immediately moves to another layer, and has no commercial value as paper for peeling.
(3) Test method for ease of bone piercing between paper layers
A fan's bone is stabbed between the paper layers, and the following determination is made.
○-Easily and lightly pierce bone between layers.
△ -Bone can be stabbed between layers, but it feels heavy, and if it is not slowly stabbed, bones will move to other layers, which makes the workability poor as paper for piercing bone.
×-It is difficult to stab bones, it does not pierce cleanly between layers, and bones quickly move to other layers, so there is no commercial value as paper for piercing bones.

Claims (2)

二層以上で抄紙する扇子用紙において、該層間に無機系ピグメントを、無機系ピグメントだけを水に分散させたピグメント分散液として0.2〜1.4g/m の無機系ピグメント適用量でスプレーして抄紙することによって層間剥離強度を5N/m〜25N/mとしたことを特徴とする扇子用紙。 In fan for feeding the paper in two or more layers, the inorganic pigments between the layers, only inorganic pigments with inorganic pigments dose of 0.2~1.4g / m 2 as a pigment dispersion prepared by dispersing in water fan for paper, characterized in that the delamination strength by paper by spraying was 5N / m~25N / m. 層間剥離強度を5N/m〜25N/mとした、二層以上で抄紙する扇子用紙の製造方法において、該層間に無機系ピグメントを、無機系ピグメントだけを水に分散させた無機系ピグメント濃度0.5%〜30%の分散液として0.2〜1.4g/m の無機系ピグメント適用量でスプレーし、スプレーされた湿紙を重ねて吸引および/またはプレス脱水し、その後で乾燥工程をへて抄き合わせ抄造することを特徴とする、上記方法。 Delamination strength was 5N / m~25N / m, in the manufacturing method of the fan for feeding the paper in two or more layers, the inorganic pigments between the layers, inorganic pigments concentration only inorganic pigments are dispersed in water Spray as an inorganic pigment application amount of 0.2 to 1.4 g / m 2 as a dispersion of 0.5% to 30%, suck and / or press dehydrate over the sprayed wet paper, and then dry A method as described above, wherein the steps are combined to make a sheet.
JP2007028879A 2007-02-08 2007-02-08 Fan paper Expired - Fee Related JP4806361B2 (en)

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JP3385315B2 (en) * 2000-02-17 2003-03-10 株式会社谷口松雄堂 Fan
JP2003013397A (en) * 2001-06-26 2003-01-15 Lintec Corp Body paper for wallpaper
JP4922512B2 (en) * 2001-08-31 2012-04-25 株式会社中村製紙所 Peelable backing paper
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