JP4235232B2 - 中芯原紙 - Google Patents
中芯原紙 Download PDFInfo
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- JP4235232B2 JP4235232B2 JP2007079158A JP2007079158A JP4235232B2 JP 4235232 B2 JP4235232 B2 JP 4235232B2 JP 2007079158 A JP2007079158 A JP 2007079158A JP 2007079158 A JP2007079158 A JP 2007079158A JP 4235232 B2 JP4235232 B2 JP 4235232B2
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Description
原料パルプの重量平均繊維長、及び無機微粒子の種類、粒子径、アスペクト比を表1に示すように変更したことを除くその他の点は、実施例1と同様にして得た中芯原紙。なお、表1中、「炭カル」とは「炭酸カルシウム」を表し、「水酸化アルミ」とは「水酸化アルミニウム」を表す。
原料パルプの重量平均繊維長、無機微粒子の粒子径、アスペクト比、及び水溶性高分子の種類、分子量を表1に示すように変更したことを除くその他の点は、実施例1と同様にして得た中芯原紙。
原料パルプの重量平均繊維長、無機微粒子のアスペクト比、配合率、及び水溶性高分子の種類、分子量を表1に示すように変更したことを除くその他の点は、実施例1と同様にして得た中芯原紙。
原料パルプの重量平均繊維長、無機微粒子のアスペクト比、及び水溶性高分子の種類、分子量、塗布量を表1に示すように変更したことを除くその他の点は、実施例1と同様にして得た中芯原紙。
原料パルプの原料配合、重量平均繊維長、無機微粒子のアスペクト比、及び水溶性高分子の種類、分子量、塗布量を表1に示すように変更したことを除くその他の点は、実施例1と同様にして得た中芯原紙。
原料パルプの重量平均繊維長、無機微粒子の種類、アスペクト比、及び水溶性高分子の種類、分子量、塗布量を表1に示すように変更したことを除くその他の点は、実施例1と同様にして得た中芯原紙。
原料パルプの重量平均繊維長、無機微粒子のアスペクト比、配合率、及び水溶性高分子の種類、分子量、塗布量を表1に示すように変更したことを除くその他の点は、実施例1と同様にして得た中芯原紙。
原料パルプの重量平均繊維長、無機微粒子のアスペクト比、及び水溶性高分子の塗布量を表1に示すように変更したことを除くその他の点は、実施例1と同様にして得た中芯原紙。
原料パルプの重量平均繊維長、無機微粒子の粒子径、アスペクト比、及び水溶性高分子の塗布量を表1に示すように変更したことを除くその他の点は、実施例1と同様にして得た中芯原紙。
原料パルプの重量平均繊維長、及び無機微粒子のアスペクト比を表1に、製品の坪量を表3に示すように変更したことを除くその他の点は、実施例1と同様にして得た中芯原紙。
水溶性高分子を添加せず、また、原料パルプの原料配合、重量平均繊維長、及び無機微粒子の粒子径、アスペクト比、配合率を表2に示すように、製品の坪量を表4に示すように変更したことを除くその他の点は、実施例1と同様にして得た中芯原紙。
無機微粒子の代わりに有機顔料を用い、また原料パルプの重量平均繊維長、及び水溶性高分子の種類、分子量、塗布量を表2に示すように変更したことを除くその他の点は、実施例1と同様にして得た中芯原紙。
無機微粒子及び水溶性高分子を添加せず、また原料パルプの原料配合、重量平均繊維長を表2に示すように変更したことを除くその他の点は、実施例1と同様にして得た中芯原紙。
無機微粒子を添加せず、また水溶性高分子のワックスを0.2g/m2塗工し、さらに原料パルプの重量平均繊維長を表2に示すように、また製品の坪量を表4に示すように変更したことを除くその他の点は、実施例1と同様にして得た中芯原紙。
原料パルプの重量平均繊維長、無機微粒子の粒子径、及び水溶性高分子の種類、分子量、塗布量を表2に示すように、また製品の坪量を表4に示すように変更したことを除くその他の点は、実施例1と同様にして得た中芯原紙。
原料パルプの原料配合、重量平均繊維長、無機微粒子の粒子径、及び水溶性高分子の種類、塗布量を表2に示すように変更したことを除くその他の点は、実施例1と同様にして得た中芯原紙。
無機微粒子を配合せず、原料パルプの原料配合、重量平均繊維長、及び水溶性高分子の種類、塗布量を表2に示すように変更したことを除くその他の点は、実施例1と同様にして得た中芯原紙。
無機微粒子を配合せず、また原料パルプの重量平均繊維長、及び水溶性高分子の種類、分子量、塗布量を表2に示すように変更したことを除くその他の点は、実施例1と同様にして得た中芯原紙。
◎:「割れが全く発生しない」
○:「加工巾の3割未満にひび割れが発生するが、中芯の材破には至らず、完成シートは使用できる」
△:「加工巾の3割以上にひび割れが発生するが、中芯の材破には至らず、完成シートは使用できる」
×:「加工巾の5割以上にひび割れが確認され、また一部中芯は材破し、完成シートは使用できない」
の4段階とした。
◎:「巻取り製品をサイドクランプで2回荷役しても、巻取りの最外部のズレが5mm以内である」
○:「巻取り製品をサイドクランプで2回荷役しても、巻取りの最外部のズレが10mm以内である」
△:「巻取り製品をサイドクランプで2回荷役しても、巻取り最外部のズレが15mm以内である」
×:「巻取り製品をサイドクランプで2回荷役すると、巻取り災害部のズレが16mm以上である」
の4段階とした。
なお、サイドクランプでの1回荷役とは、鏡面が下になるように垂直に立てた巾1.5m、重量約1トンの製品巻取りをトラック荷台への積込みを想定し、サイドクランプで水平に掴み、垂直に1m上下させたことを言う。
◎:「30〜50μmの塵の発生量が1300個/m3未満である」
○:「30〜50μmの塵の発生量が1300個/m3以上1500個/m3未満である」
△:「30〜50μmの塵の発生量が1500個/m3以上2000個/m3未満である」
×:「30〜50μmの塵の発生量が2000個/m3以上である」
の4段階とした。
2 ワイヤーパート
3 シュープレス
4 プレスパート
5 ドライヤーパート
6 サイズプレス
7 アフタードライヤーパート
8 カレンダー装置
9 巻取機
Claims (2)
- 中芯原紙であって、古紙パルプを主体とする原料パルプを用い、前記中芯原紙の少なくとも片面にエステル化澱粉を主成分とする水溶性高分子及び無機微粒子として雲母族鉱石またはタルクを含有させて抄紙し、坪量が80〜185g/m2、密度が0.50〜0.70g/cm3であることを特徴とする中芯原紙。
- 前記澱粉は、フェノール硫酸法による比色定量により分析した値で、前記中芯原紙中に2.5〜10g/m2含有されていることを特徴とする請求項1に記載の中芯原紙。
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JP5530130B2 (ja) * | 2009-08-07 | 2014-06-25 | 大王製紙株式会社 | 段ボール用中芯原紙 |
CN103842452B (zh) * | 2011-09-22 | 2017-05-31 | 凸版印刷株式会社 | 膜形成用组合物、层叠体、膜、片材基体、包装材料、膜形成用组合物的制造方法以及纤维素分散液的制造方法 |
JP5882101B2 (ja) * | 2012-03-28 | 2016-03-09 | 日本製紙株式会社 | 中芯原紙 |
JP6239904B2 (ja) * | 2013-03-25 | 2017-11-29 | 日本製紙株式会社 | 電子写真用転写紙およびその製造方法 |
CN113136738B (zh) * | 2021-03-25 | 2022-11-29 | 上海福铮纸业有限公司 | 一种瓦楞纸板及其制备方法 |
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