JP5074075B2 - Used paper towel - Google Patents
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- JP5074075B2 JP5074075B2 JP2007095404A JP2007095404A JP5074075B2 JP 5074075 B2 JP5074075 B2 JP 5074075B2 JP 2007095404 A JP2007095404 A JP 2007095404A JP 2007095404 A JP2007095404 A JP 2007095404A JP 5074075 B2 JP5074075 B2 JP 5074075B2
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- 229920001131 Pulp (paper) Polymers 0.000 claims description 25
- 239000010893 paper waste Substances 0.000 claims description 22
- 239000013054 paper strength agent Substances 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000010521 absorption reaction Methods 0.000 claims description 12
- 239000000835 fiber Substances 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 8
- 238000005259 measurement Methods 0.000 description 8
- 229920002401 polyacrylamide Polymers 0.000 description 7
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- 239000011347 resin Substances 0.000 description 6
- 239000004952 Polyamide Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 229920002647 polyamide Polymers 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 125000002091 cationic group Chemical group 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000002761 deinking Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 230000003405 preventing effect Effects 0.000 description 1
- 239000013055 pulp slurry Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Sanitary Thin Papers (AREA)
- Paper (AREA)
Description
本発明は、ティシュペーパーのようにたとえば２００組折り畳んで包材に内包されて製品とされ、使用に際しては、必要によりホルダー容器に移し替えされ、そのホルダー容器から１シートごと取り出して使用される古紙含有ペーパータオルに関するものである。 In the present invention, for example, 200 sets of tissue paper are folded and encased in a packaging material to obtain a product. When used, the used paper is transferred to a holder container as needed, and is used by taking out one sheet from the holder container. Containing paper towels.
ペーパータオルとしては、主に、手拭き時の（水分）吸収性、手肉感及びホルダー容器からの脱落防止を課題として設計される。
このために、ウエットクレープ加工によりしっかりと紙質のシートされている。なお、柔軟性を高めるための手法としては、特許文献１の提案がなされているが、古紙パルプを使用するものではない。
一方、環境意識に高まりに対応して、古紙パルプを使用したペーパータオルが要求されている。古紙パルプを使用したペーパータオル自体は特許文献２に記載がある。
古紙パルプを使用する場合において問題となるのは、パルプ繊維長が短いために、紙力が小さく、高い吸収性及び良好な手肉感を得難いことである。
For this reason, the paper is firmly formed by wet creping. In addition, as a method for improving flexibility, Patent Document 1 has been proposed, but waste paper pulp is not used.
On the other hand, paper towels using waste paper pulp are required in response to growing environmental awareness. Patent Document 2 describes a paper towel itself using waste paper pulp.
A problem in using waste paper pulp is that the pulp fiber length is short, so that the paper strength is small, and it is difficult to obtain high absorbency and good hand feeling.
そこで、本発明の主たる課題は、１００％古紙パルプを使用するものの、手拭き時の（水分）吸収性、手肉感及びホルダー容器からの脱落防止効果を示すものを提供することにある。 Therefore, the main object of the present invention is to provide a material that exhibits 100% waste paper pulp and exhibits (moisture) absorptivity during hand wiping, hand feeling, and a drop-off preventing effect from the holder container.
上記課題を解決した本発明は次記のとおりである。
＜請求項１記載の発明＞
１プライ当たりの米坪が３０〜５０ｇ／ｍ2 であり、
古紙パルプ９０〜１００％含有しかつ平均繊維長０．７〜１．５ｍｍのパルプ原料を抄紙したものであり、湿潤紙力剤及び乾燥紙力剤をそれぞれ前記パルプ原料に対し０．１０〜０．３０質量％含有され、かつ、湿潤紙力剤／乾燥紙力剤の質量比が０．６〜１．５であり、ドライクレープが施されていることを特徴とする古紙含有ペーパータオル。
The present invention that has solved the above problems is as follows.
<Invention of Claim 1>
Basis weight per ply is 30~50g / m 2,
Paper made of pulp raw material containing 90-100% waste paper pulp and an average fiber length of 0.7-1.5 mm. A wet paper strength agent and a dry paper strength agent are each 0.10-0 with respect to the pulp raw material. A waste paper-containing paper towel containing 30% by mass and having a wet paper strength / dry strength strength ratio of 0.6 to 1.5 and dry crepe.
（作用効果）
本発明のペーパータオルは、平均繊維長が０．７〜１．５ｍｍの古紙パルプを９０〜１００％含有する。紙力を増強するために、パルプ原料に対しポリアクリルアミド・エピクロルヒドリン樹脂に代表される湿潤紙力剤を、パルプ原料に対し０．１０〜０．３０質量％添加する。湿潤紙力剤の添加量が少ない場合は、湿潤強度が不十分であり、他方で過度の添加量では吸水特性が低下する。
繊維長が長いバージンパルプを使用する場合には、特許文献１のように湿潤紙力剤の添加のみで十分の紙力を得るのは容易である。これに対し、平均繊維長が０．９〜１．１ｍｍの古紙パルプを、特に１００％現有させる場合、紙力が十分でなく、特に乾燥時における表面における強度が低いものとなり、紙粉の発生などを生じる。
そこで、本発明では、乾燥紙力剤をパルプ原料に対し０．１０〜０．３０質量％添加して表面を強度高まる。
しかるに、前述のように、ペーパータオルとして手拭き時の（水分）吸収性及び手肉感が良好であることが要求されるところ、紙力を高めるために、かなり多い量（通常は湿潤紙力剤のみをパルプ原料に対し０．０５〜０．０８質量％程度である。）で湿潤紙力剤及び乾燥紙力剤を添加すると、手拭き時の（水分）吸収性及び手肉感が損なわれ、嵩高感のないものなる。
そこで、ウエットクレープによることなくドライクレープ加工を採用することで、手拭き時の（水分）吸収性、嵩高感及び手肉感を優れるものとしたのである。
なお、本発明において所要の吸収量を確保するために、１プライ当たりの米坪が３０〜５０ｇ／ｍ2とした。通常は、２プライをエンボス加工により一体化させて製品シートとする。
(Function and effect)
The paper towel of the present invention contains 90 to 100% of waste paper pulp having an average fiber length of 0.7 to 1.5 mm. In order to enhance paper strength, 0.10 to 0.30 mass% of wet paper strength agent represented by polyacrylamide / epichlorohydrin resin is added to the pulp material. When the addition amount of the wet paper strength agent is small, the wet strength is insufficient. On the other hand, when the addition amount is excessive, the water absorption property is lowered.
When virgin pulp having a long fiber length is used, it is easy to obtain a sufficient paper strength only by adding a wet paper strength agent as in Patent Document 1. On the other hand, when used paper pulp having an average fiber length of 0.9 to 1.1 mm, especially 100%, the paper strength is not sufficient, and the strength on the surface particularly during drying is low, and paper dust is generated. And so on.
Therefore, in the present invention, the strength of the surface is increased by adding 0.10 to 0.30 mass% of the dry paper strength agent to the pulp raw material.
However, as described above, when paper towels are required to have good (water) absorbency and hand feeling when wiping, a large amount (usually only wet paper strength agent is used to increase paper strength. When the wet paper strength agent and the dry paper strength agent are added at about 0.05 to 0.08 mass% with respect to the pulp raw material, the (moisture) absorbability and hand feeling at the time of hand wiping are impaired, and the bulkiness It will not be.
Therefore, by adopting dry crepe processing without using wet crepe, (water) absorbability, bulkiness and hand feeling at the time of hand wiping are excellent.
In the present invention, in order to ensure the required amount of absorption, the rice basis weight per ply was set to 30 to 50 g / m 2 . Usually, two plies are integrated by embossing to form a product sheet.
＜請求項２記載の発明＞
クレープ率が１５〜２０％である請求項１記載の古紙含有ペーパータオル。
<Invention of Claim 2>
The used paper towel according to claim 1, wherein the crepe rate is 15 to 20%.
（作用効果）
クレープ率としては、１３〜２２％、特に１５〜２０％が望ましい。クレープ率が低いと、シート表面が平滑化の方向となるため、表面積が小さくなり、吸水特性が小さくなり、しかも必要な嵩高感及び手肉感を得難い。逆に、２２％を超えると、嵩高になるため、吸水特性は向上するものの、ホルダー容器から引き出すとき破れの原因となる。
(Function and effect)
The crepe rate is preferably 13 to 22%, particularly preferably 15 to 20%. When the crepe rate is low, the surface of the sheet is in a smoothing direction, the surface area is reduced, the water absorption characteristics are reduced, and the necessary bulkiness and hand feeling are difficult to obtain. On the other hand, if it exceeds 22%, it becomes bulky, so that the water absorption property is improved, but when it is pulled out from the holder container, it causes tearing.
＜請求項３記載の発明＞
吸水量が１５０〜３００ｇ／ｍ2である請求項１または２項に記載の古紙含有ペーパータオル。
<Invention of Claim 3>
Waste paper containing paper towel of claim 1 or 2, wherein water absorption is 150 to 300 g / m 2.
（作用効果）
この吸水量は市販品（古紙パルプを使用しないバージンパルプ品）と比較しても、湿潤紙力剤及び乾燥紙力剤を添加するものでありながら、高い値を示す。これは、ウエットクレープによることなくドライクレープ加工によることに基因しているものと考えられる。
(Function and effect)
Even if this water absorption amount adds a wet paper strength agent and a dry paper strength agent compared with a commercial item (virgin pulp product which does not use waste paper pulp), it shows a high value. This is considered to be based on dry creping rather than wet creping.
本発明によれば、古紙パルプを９０〜１００％含有するものを使用するものの、手拭き時の（水分）吸収性、手肉感及びホルダー容器からの脱落防止効果を示す古紙含有ペーパータオルを得ることができる。 According to the present invention, a paper towel containing used paper pulp containing 90 to 100% can be obtained, and a used paper towel that exhibits (moisture) absorbency during hand wiping, hand feeling and prevention of falling out of the holder container can be obtained. .
以下、本発明の一実施形態について詳説する。
本発明の古紙含有ペーパータオルは、古紙パルプを９０〜１００％含有する。より好ましくは古紙パルプ１００％のものである。古紙パルプとしては、デインキングパルプ（ＤＩＰ）の何れをも使用できる。古紙パルプの原料には、例えば上白、罫白、カード、特白、中白、模造、ケント、白アート、新聞、雑誌等があげられる。これらのパルプを２種以上用いてもよい。
Hereinafter, an embodiment of the present invention will be described in detail.
The used paper-containing paper towel of the present invention contains 90-100% of used paper pulp. More preferably, the waste paper pulp is 100%. As the waste paper pulp, any of deinking pulp (DIP) can be used. Examples of the raw material for waste paper pulp include upper white, ruled white, card, special white, medium white, imitation, Kent, white art, newspaper, magazine and the like. Two or more of these pulps may be used.
資材の有効利用のために、雑誌古紙脱墨パルプを使用するのが望ましい。雑誌古紙脱墨パルプの繊維長は、操業条件によるが、平均繊維長が０．７〜１．５ｍｍである。雑誌古紙パルプの特徴は、新聞古紙パルプなどの通常の古紙パルプが機械パルプを５〜１０％程度含むのに対し、機械パルプを２０〜３０％程度含み紙力が弱い原因となることである。しかるに、本発明に従えば、雑誌古紙脱墨パルプを使用したとしても、特性に優れた古紙含有ペーパータオルを得ることができる。 It is desirable to use waste magazine deinked pulp for effective use of materials. The fiber length of the magazine waste paper deinked pulp depends on the operating conditions, but the average fiber length is 0.7 to 1.5 mm. The feature of magazine waste paper pulp is that normal waste paper pulp such as newspaper waste paper pulp contains about 5 to 10% mechanical pulp, while it contains about 20 to 30% mechanical pulp and causes a weak paper strength. However, according to the present invention, even if the used magazine deinked pulp is used, it is possible to obtain a used paper-containing paper towel having excellent characteristics.
本発明では、古紙パルプ原料スラリーを、好適には、カナディアンスタンダードフリーネスが、２８０〜３５０ｍｌになるように調整され、湿潤紙力剤及び乾燥紙力剤をそれぞれパルプ原料に対し０．１０〜０．３０質量％含有するように添加し、円網抄紙機、短網抄紙機などにより抄紙する。
その際に、１プライ当たりの米坪が３０〜５０ｇ／ｍ2とする。抄紙機のドライヤー出口にドライクレープ加工する。クレープ率は１３〜２２％が望ましい。
In the present invention, the waste paper pulp raw material slurry is preferably adjusted so that the Canadian standard freeness is 280 to 350 ml. It is added so as to contain 30% by mass, and paper is made with a circular paper machine or a short paper machine.
In that case, the rice tsubo per 1 ply shall be 30-50 g / m < 2 >. Dry crepes are processed at the dryer outlet of the paper machine. The crepe rate is desirably 13 to 22%.
本発明で使用する湿潤紙力剤としては、ポリアクリルアミド・エピクロルヒドリン樹脂、ポリアミド樹脂、ポリアミド・エピクロルヒドリン樹脂、ポリアミド・ポリアミン・エピクロルヒドリン樹脂などを使用できるが、ポリアミド・エピクロルヒドリン樹脂が好適である。 As the wet paper strength agent used in the present invention, polyacrylamide / epichlorohydrin resin, polyamide resin, polyamide / epichlorohydrin resin, polyamide / polyamine / epichlorohydrin resin and the like can be used, and polyamide / epichlorohydrin resin is preferable.
本発明で使用する乾燥紙力剤としては、アニオン性ポリアクリルアミド、ＰＡＭ、澱粉、カチオン性ポリアクリルアミドなどを使用できるが、カチオン性ポリアクリルアマイドが好適である。
本発明では湿潤紙力剤／乾燥紙力剤の質量比は０．６〜１．５である。
As the dry paper strength agent used in the present invention, anionic polyacrylamide, PAM, starch, cationic polyacrylamide and the like can be used, and cationic polyacrylamide is preferable.
In the present invention, the mass ratio of wet paper strength agent / dry paper strength agent is 0.6 to 1.5.
本発明によれば、吸水量が１５０〜３００ｇ／ｍ2である製品を得ることができる。この場合に吸水量は、シートにある一定の時間の間に浸み込み、保水した時の水の量を計測することによって測定できるものである。 According to the present invention, a product having a water absorption of 150 to 300 g / m 2 can be obtained. In this case, the amount of water absorption can be measured by soaking in the sheet for a certain period of time and measuring the amount of water when the water is retained.
以下に、実施例及び比較例を示して本発明の効果を明らかにする。
（実施例１〜５）
雑誌古紙脱墨パルプのパルプスラリーを表１に示すフリーネスに調整し、湿潤紙力剤としてポリアミド・エピクロルヒドリン樹脂（星光ＰＭＣ社製「ＷＳ４０２４」）、及び乾燥紙力剤としてカチオン性ホリアクリルアミドポリアミド（ハリマ化成社製「ハーマイドＤＮ−４２０」）、及びを添加し、丸網抄紙機、ヤンキードライヤーにて乾燥し製造した。ヤンキードライヤーの出口でドライクレープ加工をした。
得られたシートを、インターホルダーにより２００組ものとして折り畳み製品とした。
各実施例の製造条件及び結果を表１に示す。
Hereinafter, the effects of the present invention will be clarified by showing examples and comparative examples.
(Examples 1-5)
The pulp slurry of the magazine waste paper deinked pulp was adjusted to the freeness shown in Table 1. Polyamide epichlorohydrin resin (“WS4024” manufactured by Seiko PMC) as a wet paper strength agent, and cationic polyacrylamide polyamide (Harima) as a dry paper strength agent "Harmide DN-420" manufactured by Kasei Co., Ltd.) was added, and dried by a round net paper machine and a Yankee dryer. Dry creping was done at the exit of the Yankee dryer.
The obtained sheets were folded into 200 sets using an inter holder.
The production conditions and results for each example are shown in Table 1.
（比較例１〜５）
表１に示すように製造条件を換えた。比較例の製造条件及び結果を表１に併せて示す。
測定及び評価条件は次記のとおりである。
〔米 坪〕：ＪＩＳ Ｐ ８１２４に基づいて測定した。
〔乾燥紙力〕：ＪＩＳ Ｐ ８１１３に基づいて測定した。
〔湿潤紙力〕：ＪＩＳ Ｐ ８１３５に基づいて測定した。
〔吸水量〕：実施例及び比較例にかかるペーパータオルを１００ｍｍ方に裁断し測定用試料とした。この測定試料を実施例、比較例毎に５枚準備し、各試料の重量を測定した。次いで、測定機の平面網状の試料支持部に測定試料を載せ、試料支持部を純水が満たされたバットに浸し、1分間浸漬させる。1分間浸漬後、試料支持部を上昇させ、３０秒間放置して測定試料の水切りを行い、その後に再度測定試料の重量を測定した。そして、純水に浸漬した測定試料の重量から、浸漬前の測定試料の重量を除いて、増加した重量％を求め、5枚の平均値を算出して吸収量とした。
〔ウェブ嵩〕：２００枚のシートをティシュペーパーのように組み合わせながら折りたたんだときのウェブ高さを測定した。
〔クレープ率〕： ドドライヤーとリールとの速度差をリール速度で割った数値をパーセント表示した。
(Comparative Examples 1-5)
The production conditions were changed as shown in Table 1. The production conditions and results of the comparative examples are also shown in Table 1.
Measurement and evaluation conditions are as follows.
[US tsubo]: Measured based on JIS P 8124.
[Dry paper strength]: Measured based on JIS P8113.
[Wet paper strength]: Measured based on JIS P 8135.
[Water absorption amount]: Paper towels according to Examples and Comparative Examples were cut into 100 mm directions to obtain measurement samples. Five measurement samples were prepared for each example and comparative example, and the weight of each sample was measured. Next, the measurement sample is placed on the flat mesh-like sample support portion of the measuring machine, and the sample support portion is immersed in a bat filled with pure water and immersed for 1 minute. After immersion for 1 minute, the sample support was raised and left for 30 seconds to drain the measurement sample, and then the weight of the measurement sample was measured again. Then, from the weight of the measurement sample immersed in pure water, the weight% increased was obtained by removing the weight of the measurement sample before immersion, and the average value of the five sheets was calculated to obtain the absorption amount.
[Web bulk]: The web height when 200 sheets were folded while being combined like tissue paper was measured.
[Creep rate]: The value obtained by dividing the speed difference between the dryer and the reel by the reel speed was displayed as a percentage.
Claims (3)
古紙パルプ９０〜１００％含有しかつ平均繊維長０．７〜１．５ｍｍのパルプ原料を抄紙したものであり、湿潤紙力剤及び乾燥紙力剤をそれぞれ前記パルプ原料に対し０．１０〜０．３０質量％含有され、かつ、湿潤紙力剤／乾燥紙力剤の質量比が０．６〜１．５であり、ドライクレープが施されていることを特徴とする古紙含有ペーパータオル。 Basis weight per ply is 30~50g / m 2,
Paper made of pulp raw material containing 90-100% waste paper pulp and an average fiber length of 0.7-1.5 mm. A wet paper strength agent and a dry paper strength agent are each 0.10-0 with respect to the pulp raw material. A waste paper-containing paper towel containing 30% by mass and having a wet paper strength / dry strength strength ratio of 0.6 to 1.5 and dry crepe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007095404A JP5074075B2 (en) | 2007-03-30 | 2007-03-30 | Used paper towel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007095404A JP5074075B2 (en) | 2007-03-30 | 2007-03-30 | Used paper towel |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2008255496A JP2008255496A (en) | 2008-10-23 |
| JP2008255496A5 JP2008255496A5 (en) | 2010-03-11 |
| JP5074075B2 true JP5074075B2 (en) | 2012-11-14 |
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| US9752283B2 (en) | 2007-09-12 | 2017-09-05 | Ecolab Usa Inc. | Anionic preflocculation of fillers used in papermaking |
| US8088250B2 (en) | 2008-11-26 | 2012-01-03 | Nalco Company | Method of increasing filler content in papermaking |
| JP5586869B2 (en) * | 2009-03-31 | 2014-09-10 | 大王製紙株式会社 | Paper towel |
| JP5586903B2 (en) * | 2009-09-17 | 2014-09-10 | 大王製紙株式会社 | Paper towel |
| JP5934497B2 (en) * | 2010-12-21 | 2016-06-15 | 花王株式会社 | Tissue paper |
| CN103132383B (en) * | 2011-11-25 | 2017-04-12 | 纳尔科公司 | Sizing agent pretreatment for improving paper strength accessory ingredient performance in papermaking |
| JP6354649B2 (en) * | 2015-04-20 | 2018-07-11 | 王子ホールディングス株式会社 | Sanitary paper |
| JP6210567B2 (en) | 2015-09-14 | 2017-10-11 | 大王製紙株式会社 | Tissue paper |
| JP6701499B2 (en) * | 2015-12-24 | 2020-05-27 | 日本製紙クレシア株式会社 | Rolled paper towel |
| JP2018153481A (en) * | 2017-03-17 | 2018-10-04 | 王子ホールディングス株式会社 | Roll state toilet tissue paper |
| JP6779163B2 (en) * | 2017-03-28 | 2020-11-04 | 大王製紙株式会社 | How to make paper towels |
| JP6994339B2 (en) * | 2017-09-29 | 2022-01-14 | 大王製紙株式会社 | Blotted paper and its manufacturing method |
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| JP3279688B2 (en) * | 1992-11-18 | 2002-04-30 | 株式会社クレシア | Laminated absorbent paper and its rolled paper towel |
| JP3776075B2 (en) * | 2002-10-07 | 2006-05-17 | 大一紙工株式会社 | Method for producing functional base paper, method for producing toilet cleaning sheet, method for producing pet waste disposal sheet, and method for producing fried food storage sheet |
| JP2004175818A (en) * | 2002-11-22 | 2004-06-24 | Seiko Pmc Corp | Method for manufacturing cationic thermosetting resin, paper containing resin obtained by the same and method for manufacturing paper |
| JP4420872B2 (en) * | 2005-08-31 | 2010-02-24 | 大王製紙株式会社 | Sheet products |
| JP4831523B2 (en) * | 2005-09-05 | 2011-12-07 | 星光Ｐｍｃ株式会社 | Creping adhesive, crepe paper manufacturing method, and crepe paper |
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