JP2007146340A - 塗工紙 - Google Patents
塗工紙 Download PDFInfo
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- JP2007146340A JP2007146340A JP2005344858A JP2005344858A JP2007146340A JP 2007146340 A JP2007146340 A JP 2007146340A JP 2005344858 A JP2005344858 A JP 2005344858A JP 2005344858 A JP2005344858 A JP 2005344858A JP 2007146340 A JP2007146340 A JP 2007146340A
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Abstract
【解決手段】基材の表裏面の少なくとも一方の面に、顔料及び接着剤を主成分とする塗工剤を塗工して形成される塗工層を有する塗工紙であって、白紙光沢度が20%以下、かつ、白紙光沢度と印刷光沢度との差が30%以上とし、また、塗工層は、厚みの平均が5〜12μmとし、さらにまた塗工紙密度が0.7〜0.9g/cm3とする。
【選択図】なし
Description
[実施例1]
LBKP80重量%、NBKP20重量%から成り、中性サイズ剤(アルキルケテンダイマー)が0.3重量%配合され、また、填料として軽質炭酸カルシウムが灰分で12%となるように添加されているパルプスラリーを抄紙機で抄造し、坪量が80g/m2である基材を作製する。
Claims (5)
- 基材の表裏面の少なくとも一方の面に、顔料及び接着剤を主成分とする塗工剤を塗工して形成される塗工層を有する塗工紙であって、白紙光沢度が20%以下であり、かつ、該白紙光沢度と印刷光沢度との差が30%以上であることを特徴とする塗工紙。
- 前記塗工層は、厚みの平均が5〜12μmであり、塗工紙密度が0.7〜0.9g/cm3であることを特徴とする請求項1に記載の塗工紙。
- 前記顔料として、炭酸カルシウム及びクレーが少なくとも配合されたものを用い、また、前記クレーはデラミネーテッドクレーであることを特徴とする請求項1又は請求項2に記載の塗工紙。
- 前記顔料には、脱墨フロスを主原料とし、脱水工程、乾燥工程、焼成工程、粉砕工程を経て得られた、カルシウム、ケイ素、及びアルミニウムを、酸化物換算で30〜82:9〜35:9〜35の質量割合で含有し、かつ、前記カルシウム、前記ケイ素、及び前記アルミニウムの合計含有割合が、90質量%以上である再生粒子が含有されていることを特徴とする請求項1ないし請求項3のいずれかに記載の塗工紙。
- 前記塗工層の表面は、走査電子顕微鏡で観察したとき、前記基材に由来するパルプ繊維露出割合が5%未満であることを特徴とする請求項1ないし請求項4のいずれかに記載の塗工紙。
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JP2005344858A JP4027953B2 (ja) | 2005-11-30 | 2005-11-30 | 塗工紙 |
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JP2005344858A JP4027953B2 (ja) | 2005-11-30 | 2005-11-30 | 塗工紙 |
Publications (2)
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JP2007146340A true JP2007146340A (ja) | 2007-06-14 |
JP4027953B2 JP4027953B2 (ja) | 2007-12-26 |
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JP2005344858A Active JP4027953B2 (ja) | 2005-11-30 | 2005-11-30 | 塗工紙 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014198920A (ja) * | 2013-03-29 | 2014-10-23 | 大王製紙株式会社 | 印刷用塗工紙 |
JP2014227634A (ja) * | 2013-05-24 | 2014-12-08 | 北越紀州製紙株式会社 | 印刷用塗工紙 |
JP2014237897A (ja) * | 2013-06-05 | 2014-12-18 | 王子ホールディングス株式会社 | 印刷用塗工紙 |
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2005
- 2005-11-30 JP JP2005344858A patent/JP4027953B2/ja active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014198920A (ja) * | 2013-03-29 | 2014-10-23 | 大王製紙株式会社 | 印刷用塗工紙 |
JP2014227634A (ja) * | 2013-05-24 | 2014-12-08 | 北越紀州製紙株式会社 | 印刷用塗工紙 |
JP2014237897A (ja) * | 2013-06-05 | 2014-12-18 | 王子ホールディングス株式会社 | 印刷用塗工紙 |
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JP4027953B2 (ja) | 2007-12-26 |
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