JP2013002009A5 - - Google Patents

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JP2013002009A5
JP2013002009A5 JP2011132167A JP2011132167A JP2013002009A5 JP 2013002009 A5 JP2013002009 A5 JP 2013002009A5 JP 2011132167 A JP2011132167 A JP 2011132167A JP 2011132167 A JP2011132167 A JP 2011132167A JP 2013002009 A5 JP2013002009 A5 JP 2013002009A5
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Japan
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paste
manufactured
cardboard sheet
pasting
liner
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JP2011132167A
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Japanese (ja)
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JP5808159B2 (en
JP2013002009A (en
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基紙の表面に溶液を付与した後、乾燥工程で加熱して乾燥させ、表面層とする。乾燥工程における乾燥温度は100〜120℃が好ましい。乾燥温度が100℃未満であると溶液と基紙を構成する原料パルプとの親和性が低くなり所望の摩擦係数を確保するに塗被量を増加させる必要が生じ、製造コストの上昇と被膜の摩擦係数が高くなる傾向がある。一方、120℃を超えると、乾燥時間にもよるが、加熱により合成樹脂や潤滑剤が基紙中に過剰に浸透し、所望の被膜が得られ難いとともに、基紙表面の平坦性低下する傾向がある。
特に乾燥工程での120℃を超える乾燥は、本発明の構成である潤滑剤の基紙への浸透が助長され、動摩擦係数、静摩擦係数を所望の範囲に調整することが困難となる。
After applying the solution to the surface of the base paper, it is heated and dried in a drying step to form a surface layer. The drying temperature in the drying step is preferably 100 to 120 ° C. When the drying temperature is less than 100 ° C., the affinity between the solution and the raw material pulp constituting the base paper is lowered, and it is necessary to increase the coating amount in order to secure a desired coefficient of friction. The coefficient of friction tends to be high. On the other hand, when the temperature exceeds 120 ° C., although depending on the drying time, the synthetic resin or lubricant excessively penetrates into the base paper due to heating, and it is difficult to obtain a desired film and the flatness of the surface of the base paper is lowered. Tend.
In particular, drying exceeding 120 ° C. in the drying step facilitates the penetration of the lubricant, which is the constitution of the present invention, into the base paper, and makes it difficult to adjust the dynamic friction coefficient and the static friction coefficient to a desired range.

また、上記表面層が設けられた本発明にかかる段ボール用ライナーにおいて、表面層が設けられた表面のJIS P 8151「紙および板紙−表面粗さおよび平滑度試験方法(エア・リーク法)−プリント・サーフ試験機法」において、ソフトバッキングを使用し1MPaに加圧して測定したプリント・サーフ表面粗さが7.0μm〜10.0μmであることが好ましい。プリント・サーフ表面粗さが7.0μm未満の場合、商品包装袋にピンホールの発生を抑制する効果が得られにくい傾向がある。一方、10.0を超える場合には、段ボールケース内面と商品との接触面積が過度に広くなり、面での接触による傷入りとともに、段ボールケース内面商品と「面」で接触することによる段ボールケース内面からの紙粉発生を助長する傾向がある。 Further, in the cardboard liner according to the present invention provided with the above surface layer, JIS P 8151 “paper and paperboard—surface roughness and smoothness test method (air leak method) —printing of the surface provided with the surface layer In the “surf tester method”, it is preferable that the print surf surface roughness measured by applying pressure to 1 MPa using a soft backing is 7.0 μm to 10.0 μm. When the print surf surface roughness is less than 7.0 μm, the effect of suppressing the generation of pinholes in the product packaging bag tends to be difficult to obtain. On the other hand, if it exceeds 10.0, the contact area between the cardboard case inner surface and product becomes excessively large, with scratches filled by contact with the surface, due to the fact that cardboard case inner surface and the product is in contact with "surface" There is a tendency to promote the generation of paper dust from the inner surface of the cardboard case.

<実施例1>
坪量170g/m2のライナー(商品名:JEKライナー、大王製紙社製)の片面に、アクリル樹脂として星光PMC(株)製のVS−1028を、スチレン−アクリル樹脂としてBASFジャパン(株)製のジョンクリル631を潤滑剤としてパラフィン系ワックス(荒川化学工業(株)製HA−541)を表1に記載の割合で混合した溶液を、ハンドプルーファーで絶乾固形分として5g/m2塗布した。塗布後130℃に調整した送風乾燥機に入れて60秒間乾燥した。ザーンカップNo.4(25℃)で測定した粘度は8秒〜35秒であった。
<Example 1>
On one side of a liner (trade name: JEK liner, manufactured by Daio Paper Co., Ltd.) having a basis weight of 170 g / m 2 , VS-1028 made by Seiko PMC Co., Ltd. as an acrylic resin and BASF Japan Co., Ltd. made by a styrene-acrylic resin A solution obtained by mixing paraffin wax (HA-541 manufactured by Arakawa Chemical Industry Co., Ltd.) as a lubricant at a ratio shown in Table 1 as an absolute dry solid content with a hand proofer is 5 g / m 2. Applied. After application, it was put into a blower dryer adjusted to 130 ° C. and dried for 60 seconds. Zaan Cup No. The viscosity measured at 4 (25 ° C.) was 8 seconds to 35 seconds.

g)糊貼り適性
段ボール用ライナーを表層および裏層として、中芯(120g/m2、大王製紙社製)とコルゲータマシン(型番:ベルトンプレス60G、三菱重工業(株)製)を用い、貼合速度180m/分で、塗布層を有する面を段ボールシートの表側となるよう(塗布層を中芯ライナーと貼合しないよう)貼合し、Aの段ボールシートを製造する。得られた段ボールシートを製函機(フレキソフォルダグルアー サミット100 三菱重工業(株)製)および糊(セビアンA56104 ダイセル化学工業(株)製)を用い、加工速度200枚/分にてA式の段ボールケースに製函加工し、1分後に貼合部分(シートのジョイント部分)を手で剥がし、次のとおり糊貼り適性を評価する。
◎:糊貼り個所が剥離しなかった(段ボールシートが破壊された)部分が、糊貼り面積全体うち2/3以上あり、糊貼り適性に優れる。
○:糊貼り個所が剥離しなかった(段ボールシートが破壊された)部分が、糊貼り面積全体うち1/3以上あり、糊貼り適性がよい。
△:糊貼り個所が剥離しなかった(段ボールシートが破壊された)部分が、糊貼り面積全体うち1/3以下あり、糊貼り適性がよい。
×:糊貼り個所が剥離しなかった(段ボールシートが破壊された)部分がなく、糊貼り適性が悪い。
g) Adhesive paste suitability Using a corrugated liner as a surface layer and a back layer, using a core (120 g / m 2 , manufactured by Daio Paper Co., Ltd.) and a corrugator machine (model number: Belton Press 60G, manufactured by Mitsubishi Heavy Industries, Ltd.) At a speed of 180 m / min, the surface having the coating layer is bonded so as to be on the front side of the corrugated cardboard sheet (not to bond the coating layer to the core liner) to produce an A- type cardboard sheet. The obtained corrugated cardboard sheet is used as a type A corrugated board at a processing speed of 200 sheets / min using a box making machine (Flexo Folder Gluer Summit 100 manufactured by Mitsubishi Heavy Industries, Ltd.) and glue (Sebian A56104 manufactured by Daicel Chemical Industries, Ltd.). The case is processed into a box, and after 1 minute, the pasting part (the joint part of the sheet) is peeled off by hand, and the paste applicability is evaluated as follows.
(Double-circle): The part where the paste pasting part did not peel (the corrugated cardboard sheet was destroyed) is 2/3 or more of the entire paste pasting area, and is excellent in paste pasting ability.
◯: The portion where the paste application part did not peel (the corrugated cardboard sheet was destroyed) was 1/3 or more of the entire paste application area, and the paste application property was good.
(Triangle | delta): The part where the paste pasting part did not peel (the corrugated cardboard sheet was destroyed) has 1/3 or less of the whole glue pasting area, and paste pasting is good.
X: There is no portion where the paste application part was not peeled off (the corrugated cardboard sheet was destroyed), and the paste application property was poor.

JP2011132167A 2011-06-14 2011-06-14 Cardboard liner Active JP5808159B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2011132167A JP5808159B2 (en) 2011-06-14 2011-06-14 Cardboard liner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011132167A JP5808159B2 (en) 2011-06-14 2011-06-14 Cardboard liner

Publications (3)

Publication Number Publication Date
JP2013002009A JP2013002009A (en) 2013-01-07
JP2013002009A5 true JP2013002009A5 (en) 2014-07-31
JP5808159B2 JP5808159B2 (en) 2015-11-10

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016191164A (en) * 2015-03-31 2016-11-10 日本製紙株式会社 Coated white paperboard
JP6729205B2 (en) * 2016-09-05 2020-07-22 王子ホールディングス株式会社 White liner for corrugated board, manufacturing method thereof, and white corrugated board

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5425972A (en) * 1993-04-16 1995-06-20 Westvaco Corporation Heat sealed, ovenable food carton lids
JPH0891359A (en) * 1994-09-20 1996-04-09 Otsuka Pharmaceut Factory Inc Corrugated fiberboard box
JPH08151037A (en) * 1994-11-29 1996-06-11 Shinagawa Fuel Co Ltd Antibacterially processed corrugated cardboard case and method for antibacterial processing thereof
JP5357577B2 (en) * 2009-03-02 2013-12-04 大王製紙株式会社 Processed paper

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