JP2023070241A - 耐水紙の製造方法及び耐水紙 - Google Patents
耐水紙の製造方法及び耐水紙 Download PDFInfo
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- JP2023070241A JP2023070241A JP2021182283A JP2021182283A JP2023070241A JP 2023070241 A JP2023070241 A JP 2023070241A JP 2021182283 A JP2021182283 A JP 2021182283A JP 2021182283 A JP2021182283 A JP 2021182283A JP 2023070241 A JP2023070241 A JP 2023070241A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 42
- 239000000057 synthetic resin Substances 0.000 claims abstract description 42
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 25
- 238000003851 corona treatment Methods 0.000 claims abstract description 20
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- -1 alkyl ketene dimer Chemical compound 0.000 claims description 8
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- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 6
- 125000002091 cationic group Chemical group 0.000 claims description 5
- 239000003822 epoxy resin Substances 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims description 5
- 229920000647 polyepoxide Polymers 0.000 claims description 5
- 239000012466 permeate Substances 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 3
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 3
- 239000004576 sand Substances 0.000 description 6
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- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000011121 hardwood Substances 0.000 description 3
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- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 2
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- 239000005995 Aluminium silicate Substances 0.000 description 1
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Abstract
Description
2…原紙;21…非浸透層
3…合成樹脂;31…浸透層
4…サンドラミネート装置;41…挟圧ローラ;42…挟圧ローラ;43…ノズル;44…押出機
R1…原紙ロール
R2…耐水紙ロール
Claims (3)
- パルプの叩解度を低くし、填料を内添せずサイズ剤を内添した紙料を製造する調成工程と、
前記紙料から原紙を抄造する抄造工程と、
前記原紙に前記填料及び撥水剤を塗工せず、前記原紙の片面にコロナ処理を施すコロナ処理工程と、
前記片面にコロナ処理を施した二つの原紙を同時に一対の挟圧ローラの間に、当該原紙のコロナ処理を施してない面が前記挟圧ローラの表面に接するよう供給すると共に、前記一対の挟圧ローラ上の前記二つの原紙の相互間に、溶融した合成樹脂をスリットから押し出し、該押し出されたフィルム状の合成樹脂を前記原紙に、当該原紙の表面から一定以上の厚さの非浸透層ができるよう当該原紙の裏面から一定深さまで浸透させることで前記二つの原紙を貼り合わせるラミネート工程とを含むことを特徴とする耐水紙の製造方法。 - 請求項1に記載の耐水紙の製造方法であって、
前記紙料は、前記抄造工程において、炭酸水素ナトリウム、カチオン性エポキシ樹脂、及び前記サイズ剤としてアルキルケテンダイマーを夫々所定量ずつ内添したものであり、濾水度が600ml以上である耐水紙の製造方法。 - パルプの叩解度を低くし、サイズ剤を内添した紙料から抄造し、填料を内添も塗工もせず、撥水剤を塗工せずに、対向面を夫々コロナ処理した、互いに重なる二つの原紙と、
前記二つの原紙の間に溶融状態で供給され、当該二つの原紙の各表面から夫々一定以上の厚さを有する非浸透層ができるよう当該二つの原紙の各裏面から夫々一定深さまで当該二つの原紙の各繊維間に浸透して固まった合成樹脂とからなる耐水紙。
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JP2021182283A JP7229321B1 (ja) | 2021-11-09 | 2021-11-09 | 耐水紙の製造方法及び耐水紙 |
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JP2021182283A JP7229321B1 (ja) | 2021-11-09 | 2021-11-09 | 耐水紙の製造方法及び耐水紙 |
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JP7229321B1 JP7229321B1 (ja) | 2023-02-27 |
JP2023070241A true JP2023070241A (ja) | 2023-05-19 |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS623724U (ja) * | 1985-06-24 | 1987-01-10 | ||
JP2001030395A (ja) * | 1999-07-23 | 2001-02-06 | Asahi Chem Ind Co Ltd | 積層加工紙 |
JP2002019206A (ja) * | 2000-07-04 | 2002-01-23 | Washi No Ishikawa:Kk | 印刷用疑似接着積層体 |
JP2004017541A (ja) * | 2002-06-18 | 2004-01-22 | Washi No Ishikawa:Kk | 単位片印刷用シートおよびその製造方法 |
JP2011224846A (ja) * | 2010-04-19 | 2011-11-10 | Nippon Paper Papylia Co Ltd | 樹脂含浸用インクジェット印刷薄葉紙及びインクジェット印刷用積層シート |
JP2014109082A (ja) * | 2012-12-03 | 2014-06-12 | Daio Paper Corp | 包装材 |
JP2014145010A (ja) * | 2013-01-28 | 2014-08-14 | Osaka Sealing Printing Co Ltd | 擬似接着シート |
JP2018051930A (ja) * | 2016-09-29 | 2018-04-05 | ソルトリバー株式会社 | 障子紙 |
-
2021
- 2021-11-09 JP JP2021182283A patent/JP7229321B1/ja active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS623724U (ja) * | 1985-06-24 | 1987-01-10 | ||
JP2001030395A (ja) * | 1999-07-23 | 2001-02-06 | Asahi Chem Ind Co Ltd | 積層加工紙 |
JP2002019206A (ja) * | 2000-07-04 | 2002-01-23 | Washi No Ishikawa:Kk | 印刷用疑似接着積層体 |
JP2004017541A (ja) * | 2002-06-18 | 2004-01-22 | Washi No Ishikawa:Kk | 単位片印刷用シートおよびその製造方法 |
JP2011224846A (ja) * | 2010-04-19 | 2011-11-10 | Nippon Paper Papylia Co Ltd | 樹脂含浸用インクジェット印刷薄葉紙及びインクジェット印刷用積層シート |
JP2014109082A (ja) * | 2012-12-03 | 2014-06-12 | Daio Paper Corp | 包装材 |
JP2014145010A (ja) * | 2013-01-28 | 2014-08-14 | Osaka Sealing Printing Co Ltd | 擬似接着シート |
JP2018051930A (ja) * | 2016-09-29 | 2018-04-05 | ソルトリバー株式会社 | 障子紙 |
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