JP4365686B2 - インクジェット用紙 - Google Patents
インクジェット用紙 Download PDFInfo
- Publication number
- JP4365686B2 JP4365686B2 JP2004004287A JP2004004287A JP4365686B2 JP 4365686 B2 JP4365686 B2 JP 4365686B2 JP 2004004287 A JP2004004287 A JP 2004004287A JP 2004004287 A JP2004004287 A JP 2004004287A JP 4365686 B2 JP4365686 B2 JP 4365686B2
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- paper
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- base paper
- ink
- titanium dioxide
- Prior art date
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- 238000000034 method Methods 0.000 claims description 52
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 15
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- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 229920002717 polyvinylpyridine Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 235000018102 proteins Nutrition 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007127 saponification reaction Methods 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000012748 slip agent Substances 0.000 description 1
- 235000010413 sodium alginate Nutrition 0.000 description 1
- 239000000661 sodium alginate Substances 0.000 description 1
- 229940005550 sodium alginate Drugs 0.000 description 1
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 1
- 229940006186 sodium polystyrene sulfonate Drugs 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 229940014800 succinic anhydride Drugs 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 235000007586 terpenes Nutrition 0.000 description 1
- 150000003505 terpenes Chemical class 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 239000003232 water-soluble binding agent Substances 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
- 239000012224 working solution Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 description 1
- 229910000165 zinc phosphate Inorganic materials 0.000 description 1
Landscapes
- Ink Jet (AREA)
- Ink Jet Recording Methods And Recording Media Thereof (AREA)
- Paper (AREA)
Description
以下、実施例を挙げて本発明をより具体的に説明するが、本発明はこれら実施例に限定されるものではない。また、例中の「部」及び「%」は特に断らない限り「重量部」及び「重量%」を示す。
<紙料A1> 内部基紙層となる紙料として、カナディアンスタンダードフリーネス(CSF)500mlに叩解したL−BKP100部に対して、内添顔料として二酸化チタン(商品名:TITONE−110A、堺化学工業製)12部を添加し、更に硫酸バンド3%、ロジンサイズ剤(商品名:AL−120、星光PMC社製)0.25部、カチオン化澱粉(商品名:マーメイドC−50、敷島スターチ社製)1.0部を添加し調製した。
<紙料A2> 二酸化チタンの添加量を8部とした以外は紙料A1と同様に調製した。
<紙料A3> 二酸化チタンの添加量を20部とした以外は紙料A1と同様に調製した。
<紙料A4> 二酸化チタンの添加量を5部とした以外は紙料A1と同様に調製した。
<紙料A5> 二酸化チタンの添加量を30部とした以外は紙料A1と同様に調製した。
<紙料B1> 裏面基紙層となる紙料として、カナディアンスタンダードフリーネス(CSF)500mlに叩解したL−BKP100部に対して、内添顔料としてタルク(商品名:Tライト83、太平タルク社製)5部を添加し、更に硫酸バンド3%、ロジンサイズ剤(商品名:AL−120、星光PMC社製)0.25部、カチオン化澱粉(商品名:マーメイドC−50、敷島スターチ社製)1.0部を添加し調製した。
<紙料B2> 内添顔料としてカオリン(商品名:伊那カオリン#44、大春化学工業社製)5部を使用した以外は紙料B1と同様に調製した。
<紙料B3> 内添顔料としてタルク(商品名:Tライト83、太平タルク社製)5部に加えて二酸化チタン(商品名:TITONE−110A、堺化学工業製)0.8部を使用した以外は紙料B1と同様に調製した。
<紙料B4> 内添顔料としてタルク(商品名:Tライト83、太平タルク社製)5部に加えて二酸化チタン(商品名:TITONE−110A、堺化学工業製)3部を使用した以外は紙料B1と同様に調製した。
平均粒径9μmの合成非晶質シリカ(商品名:サイロジェットP409、グレースジャパン社製)100部に、水とpH調整剤として酢酸0.2部を添加し、カウレス分散機で20%の顔料スラリーを調製した。この顔料スラリーにポリビニルアルコール(商品名:PVA−117、クラレ社製)15部、及びポリエチレン酢酸ビニル(EVA)バインダー(商品名:ポリゾールEVA AD−6、昭和高分子社製)35部、及びインク定着剤15部(商品名:SR1001、住友化学社製)を添加・攪拌し、更に水を添加し、固形分濃度が18%の塗工液を得た。
<裏面塗工液1> 水に、ポリビニルアルコール(商品名:PVA―117K、クラレ社製)0.1部及びインク定着剤(商品名:パピオゲンP−103、センカ社製)1.5部を添加し、固形分濃度1.6%の塗工液を得た。
<裏面塗工液2> 水に、ポリビニルアルコール(商品名:PVA―117K、クラレ社製)4.5部及びインク定着剤(商品名:パピオゲンP−103、センカ社製)1.5部を添加し、固形分濃度6.0%の塗工液を得た。
コロイダルシリカ(商品名:スノーテックスO、日産化学工業社製)100部に対し、ポリビニルアルコール(商品名:PVA−117K、クラレ社製)8部を添加し、更にインク定着剤(商品名:ダイドールEC−HS−1、大同化学社製)10部、離型剤(商品名:SNコート287、サンノプコ社製)3部を添加・攪拌し、更に水を添加し、固形分濃度18%の塗工液を得た。
更にサイズプレス装置でポリアクリルアマイド(商品名:ST481H、星光PMC社製)を片面の乾燥塗布量が1.0g/m2となるように両面塗布し、その後マシンカレンダーにて比容が1.2cm3/gとなるようにカレンダ処理を行い、基紙を得た。
得られた基紙の内部基紙層側の面に、上記のインク受容層塗工液を乾燥塗工量が10g/m2となるようにエアナイフコーターで塗工し、また裏面には上記の裏面塗工液1を乾燥塗工量が0.25g/m2となるようにエアナイフコーターで塗工し、エアドライヤーで熱風乾燥した後、ソフトカレンダーを用いて表面平滑化処理を行った。
上述のようにして得られたインクジェット用紙のインク受容層側の面に、更に光沢発現層を乾燥塗工量が8g/m2となるようにエアナイフコーターで塗工し、硼砂の3%水溶液を塗工面に接触させて塗工面をゲル化させた後、キャストドラムに圧着乾燥して鏡面を写し取り、光沢発現層を形成した。
R0.89を測定し、前述の式より求めた。
◎…優れている、○…良い(実用レベル)、△…やや劣る(実用下限)、×…劣る(実用に適さない)
Claims (4)
- パルプを主原料とした多層抄き合わせの基紙の片面に、顔料と接着剤からなる一層以上のインク受容層を設けたインクジェット用紙において、該インク受容層の最表層がキャスト法により設けられた光沢発現層であり、該キャスト法がゲル化法であり、基紙のパルプのカナディアンスタンダードフリーネス(CSF)が400〜550mlであり、基紙が二酸化チタンを多く含むことで高不透明度である一層以上の内部基紙層と二酸化チタンをほとんど含まないことで高表面強度である一層以上の裏面基紙層とで構成され、基紙全体での二酸化チタン含有率が5重量%〜12重量%であり、内部基紙層に含有される二酸化チタンが6.75重量%以上であり、インク受容層を設けた面の裏面となる裏面基紙層に含有される二酸化チタンが1重量%以下であり、且つ基紙全体に占める裏面基紙層の割合が40重量%以下であり、且つ基紙の透気度が300秒以下であることを特徴とするインクジェット用紙。
- 上記裏面基紙層の、JAPAN TAPPI NO.1に規定される表面強度が16A以上であることを特徴とする請求項1記載のインクジェット用紙。
- 上記基紙の比散乱係数が550cm2/g以上であることを特徴とする請求項1又は2記載のインクジェット用紙。
- 上記インク受容層の乾燥塗工量が6g/m2以上であることを特徴とする請求項1〜3の何れか一つに記載のインクジェット用紙。
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JP2011104922A (ja) * | 2009-11-19 | 2011-06-02 | Oji Paper Co Ltd | インクジェット記録用紙の製造方法 |
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JP5794846B2 (ja) * | 2011-07-08 | 2015-10-14 | 大王製紙株式会社 | 記録用紙 |
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