JP2010090489A - 多層抄き板紙 - Google Patents
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- JP2010090489A JP2010090489A JP2008259406A JP2008259406A JP2010090489A JP 2010090489 A JP2010090489 A JP 2010090489A JP 2008259406 A JP2008259406 A JP 2008259406A JP 2008259406 A JP2008259406 A JP 2008259406A JP 2010090489 A JP2010090489 A JP 2010090489A
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Abstract
【解決手段】2種以上のカチオン性物質と発泡粒子とを混合し、形成させた発泡粒子凝集体を含有する発泡粒子懸濁液を表層、中層、裏層のうち少なくとも1層に添加し、該層を発泡層として有し、前記発泡層を発泡させることにより、平均面積が25mm2〜400mm2、個数がA4サイズ当り150個〜2400個のフロック状の模様を有する多層抄き板紙を製造する。
【選択図】図1
Description
<1>表層
広葉樹晒クラフトパルプ(LBKP)70質量%と上白古紙パルプ30質量%とを配合した後に、離解フリーネスを400ccに調整した表層用の原料パルプに、硫酸バンドを0.5質量%、サイズ剤(商品名:R−22、近代化学株式会社製)を固形分換算で0.5質量%、乾燥紙力増強剤(商品名:ハーマイドRB−33、ハリマ化成株式会社製)を固形分換算で0.3質量%添加して表層用の原料スラリーを調製した。
<2>中層(1)(2)[発泡層]
針葉樹晒クラフトパルプ(NBKP)30質量%と、広葉樹晒クラフトパルプ(LBKP)10質量%と、上白古紙パルプ(LBKP)60質量%とを配合した後に、離解フリーネスを400ccに調整した中層(1)及び(2)用の原料パルプに、硫酸バンドを0.7質量%、サイズ剤(商品名:R−22、近代化学株式会社製)を固形分換算で0.5質量%、乾燥紙力増強剤(商品名:ハーマイドRB−33、ハリマ化成株式会社製)を固形分換算で0.7質量%、熱溶融性繊維(クラレ社製ソフィットN720)を5質量%添加し、中層(1)(2)用の原料スラリーを調製した。その後、また、中層(1)(2)用の原料パルプには、発泡粒子(商品名:マツモトマイクロスフェアー F−48、松本油脂製薬株式会社製)のスラリー液に、カチオン性高分子化合物(商品名:ハーマイドRB−33、ハリマ化成株式会社製)と無機系カチオン性化合物(硫酸バンド、多木化学株式会社製)を予め混合して、発泡粒子を凝集させ粘度190cpsの発泡粒子懸濁液を作製し、発泡粒子をパルプの固形分に対して6.0質量%、カチオン性高分子化合物をパルプの固形分に対して0.4質量%、無機系カチオン性化合物をパルプの固形分に対して0.2質量%となるように前記発泡粒子懸濁液を添加し、中層用のスラリーを調製した。
段ボール古紙パルプ70質量%と地券古紙パルプ30質量%とを配合した後に、離解フリーネスを300ccに調整した裏層用の原料パルプに、硫酸バンドを0.5質量%、サイズ剤(商品名:R−22、近代化学株式会社製)を固形分換算で0.5質量%、乾燥紙力増強剤(商品名:ハーマイドRB−33、ハリマ化成株式会社製)を固形分換算で0.4質量%添加して裏層用の原料スラリーを調製した。
「発泡層の合計坪量(g/m2)」とは、下記の手順に従い各試料の層剥離を行い、JIS−P8142に記載の「紙及び板紙―坪量測定方法」に準拠して測定した発泡層である中層(1)、または中層(1)及び(2)の合計坪量の値である。
(評価基準)
◎:ろ紙上に発泡粒子が微量残存している。
○:ろ紙上に発泡粒子が少量残存している。
×:ろ紙上に発泡粒子が多量に残存している。
11 表層
12,13 中層
14,15 裏層
Claims (6)
- 少なくとも、表層、単層又は複数層からな成る中層、裏層から成る多層抄き板紙において、2種以上のカチオン性物質と発泡粒子とを混合し、形成させた発泡粒子凝集体を含有する発泡粒子懸濁液を前記表層、中層、裏層のうち少なくとも1層に添加し、該層を発泡層として有し、前記発泡層を発泡させることにより、平均面積が25mm2〜400mm2、個数がA4サイズ当り150個〜2400個のフロック状の模様を有することを特徴とする多層抄き板紙。
- 前記発泡粒子凝集体のカチオン性物質が、カチオン性高分子化合物と無機系カチオン化合物であることを特徴とする請求項1記載の多層抄き板紙。
- 前記発泡層には、前記発泡粒子をパルプ固形分に対して固形分換算で1〜15質量%、熱溶融性繊維をパルプ固形分に対して1〜10質量%含有しており、さらにJ.TAPPI No.18−2で規定する層間強度が88mJ以上であることを特徴とする請求項1又は2に記載の多層抄き板紙。
- 前記発泡層は、前記多層抄き板紙の中層であることを特徴とする請求項1〜3のいずれかに記載の多層抄き板紙。
- 前記多層抄き板紙の熱伝導率が0.05W/mk以下であることを特徴とする請求項1ないし4のいずれかに記載の多層抄き板紙。
- 前記多層抄き板紙の遮水率が81%以上であることを特徴とする請求項1ないし5のいずれかに記載の多層抄き板紙。
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013041987A3 (en) * | 2011-09-21 | 2013-06-13 | Kimberly-Clark Worldwide, Inc. | Soft tissue product comprising cotton |
JP2014070320A (ja) * | 2012-09-28 | 2014-04-21 | Daio Paper Corp | 板紙及びその製造方法。 |
WO2016032450A1 (en) * | 2014-08-27 | 2016-03-03 | Kimberly-Clark Worldwide, Inc. | Durable wet-pressed tissue |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6059198A (ja) * | 1983-09-07 | 1985-04-05 | リンテック株式会社 | 発泡フロックを有する模様紙およびその製造法 |
JP2000336597A (ja) * | 1999-06-01 | 2000-12-05 | Oji Paper Co Ltd | 模様入り段ボール用ライナー原紙および模様入り段ボール |
JP2003119692A (ja) * | 2001-10-16 | 2003-04-23 | Oji Paper Co Ltd | 填料内添紙およびその製造方法 |
JP2008031601A (ja) * | 2006-07-31 | 2008-02-14 | Daio Paper Corp | 多層抄き板紙 |
JP2008088575A (ja) * | 2006-09-29 | 2008-04-17 | Daio Paper Corp | 多層抄き板紙 |
JP2008144347A (ja) * | 2008-01-07 | 2008-06-26 | Oji Paper Co Ltd | 填料内添紙およびその製造方法 |
-
2008
- 2008-10-06 JP JP2008259406A patent/JP5066049B2/ja active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6059198A (ja) * | 1983-09-07 | 1985-04-05 | リンテック株式会社 | 発泡フロックを有する模様紙およびその製造法 |
JP2000336597A (ja) * | 1999-06-01 | 2000-12-05 | Oji Paper Co Ltd | 模様入り段ボール用ライナー原紙および模様入り段ボール |
JP2003119692A (ja) * | 2001-10-16 | 2003-04-23 | Oji Paper Co Ltd | 填料内添紙およびその製造方法 |
JP2008031601A (ja) * | 2006-07-31 | 2008-02-14 | Daio Paper Corp | 多層抄き板紙 |
JP2008088575A (ja) * | 2006-09-29 | 2008-04-17 | Daio Paper Corp | 多層抄き板紙 |
JP2008144347A (ja) * | 2008-01-07 | 2008-06-26 | Oji Paper Co Ltd | 填料内添紙およびその製造方法 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013041987A3 (en) * | 2011-09-21 | 2013-06-13 | Kimberly-Clark Worldwide, Inc. | Soft tissue product comprising cotton |
JP2014070320A (ja) * | 2012-09-28 | 2014-04-21 | Daio Paper Corp | 板紙及びその製造方法。 |
WO2016032450A1 (en) * | 2014-08-27 | 2016-03-03 | Kimberly-Clark Worldwide, Inc. | Durable wet-pressed tissue |
US9896805B2 (en) | 2014-08-27 | 2018-02-20 | Kimberly-Clark Worldwide, Inc. | Durable wet-pressed tissue |
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