JP4505237B2 - 層間強度向上剤および層間強度向上方法 - Google Patents
層間強度向上剤および層間強度向上方法 Download PDFInfo
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- JP4505237B2 JP4505237B2 JP2004042177A JP2004042177A JP4505237B2 JP 4505237 B2 JP4505237 B2 JP 4505237B2 JP 2004042177 A JP2004042177 A JP 2004042177A JP 2004042177 A JP2004042177 A JP 2004042177A JP 4505237 B2 JP4505237 B2 JP 4505237B2
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- GYCUTPICSQQWKP-UHFFFAOYSA-N bis[2-(5-methyl-4,5-dihydro-1h-imidazol-2-yl)propan-2-yl]diazene Chemical compound N1C(C)CN=C1C(C)(C)N=NC(C)(C)C1=NCC(C)N1 GYCUTPICSQQWKP-UHFFFAOYSA-N 0.000 description 1
- PZXSLFQJOZPCJG-UHFFFAOYSA-N bis[2-(5-methyl-4,5-dihydro-1h-imidazol-2-yl)propan-2-yl]diazene;dihydrochloride Chemical compound Cl.Cl.N1C(C)CN=C1C(C)(C)N=NC(C)(C)C1=NCC(C)N1 PZXSLFQJOZPCJG-UHFFFAOYSA-N 0.000 description 1
- BRXCDHOLJPJLLT-UHFFFAOYSA-N butane-2-sulfonic acid Chemical compound CCC(C)S(O)(=O)=O BRXCDHOLJPJLLT-UHFFFAOYSA-N 0.000 description 1
- 239000011111 cardboard Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 235000010980 cellulose Nutrition 0.000 description 1
- NEHMKBQYUWJMIP-NJFSPNSNSA-N chloro(114C)methane Chemical compound [14CH3]Cl NEHMKBQYUWJMIP-NJFSPNSNSA-N 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- VGHRSPNHHSLNCP-UHFFFAOYSA-M ethyl-dimethyl-[phenyl(prop-2-enoyloxy)methyl]azanium;chloride Chemical compound [Cl-].C=CC(=O)OC([N+](C)(C)CC)C1=CC=CC=C1 VGHRSPNHHSLNCP-UHFFFAOYSA-M 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000010954 inorganic particle Substances 0.000 description 1
- 235000009973 maize Nutrition 0.000 description 1
- 229940050176 methyl chloride Drugs 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 235000019426 modified starch Nutrition 0.000 description 1
- OVHHHVAVHBHXAK-UHFFFAOYSA-N n,n-diethylprop-2-enamide Chemical compound CCN(CC)C(=O)C=C OVHHHVAVHBHXAK-UHFFFAOYSA-N 0.000 description 1
- QYZFTMMPKCOTAN-UHFFFAOYSA-N n-[2-(2-hydroxyethylamino)ethyl]-2-[[1-[2-(2-hydroxyethylamino)ethylamino]-2-methyl-1-oxopropan-2-yl]diazenyl]-2-methylpropanamide Chemical compound OCCNCCNC(=O)C(C)(C)N=NC(C)(C)C(=O)NCCNCCO QYZFTMMPKCOTAN-UHFFFAOYSA-N 0.000 description 1
- SRSFOMHQIATOFV-UHFFFAOYSA-N octanoyl octaneperoxoate Chemical compound CCCCCCCC(=O)OOC(=O)CCCCCCC SRSFOMHQIATOFV-UHFFFAOYSA-N 0.000 description 1
- 235000013808 oxidized starch Nutrition 0.000 description 1
- 239000001254 oxidized starch Substances 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 239000007870 radical polymerization initiator Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 229940079827 sodium hydrogen sulfite Drugs 0.000 description 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
Landscapes
- Paper (AREA)
Description
ここでR1は水素、メチル基またはカルボキシメチル基、AはSO3、C6H4SO3、CONHC(CH3)2CH2SO3、C6H4COOあるいはCOO、R2は水素またはCOOY2、Y1あるいはY2は水素または陽イオンをそれぞれ表わす
ここでR3は水素又はメチル基、R4、R5は炭素数1〜3のアルキルあるいはアルコキシル基、R5は水素、炭素数1〜3のアルキル基、アルコキシル基あるいはベンジル基であり、同種でも異種でも良い、Aは酸素またはNH、Bは炭素数2〜4のアルキレン基またはアルコキシレン基を表わす、X1は陰イオンをそれぞれ表わす。
ここでR7は水素又はメチル基、R8、R9は炭素数1〜3のアルキル基、アルコキシ基あるいはベンジル基、X2は陰イオンをそれぞれ表わす
AAC:アクリル酸、IA:イタコン酸、AMS:アクリルアミド2−メチルプロパンスルホン酸、AAM:アクリルアミド、DMC:メタクリロイルオキシエチルトリメチルアンモニウム塩化物、多糖類A:燐酸エステル化澱粉
分散液粘度:mPa・s
塗布濃度:重量%、塗布量:G/m2T字剥離強さ:(gf/5cm)
塗布濃度:重量%、塗布量:G/m2T字剥離強さ:(gf/5cm)
塗布濃度:重量%、塗布量:G/m2T字剥離強さ:(gf/5cm)
Claims (8)
- 紙層形成後の湿潤紙層を抄き合わせ後プレスし、さらに乾燥する工程を含む2層以上の抄き合わせ紙の製造において、塩水溶液中で水溶性イオン性単量体を必須とし、必要に応じてこれと共重合可能な水溶性非イオン性単量体を加え、少なくとも一種の多糖類を該塩水溶液中に糊化せず分散させた状態で該単量体(混合物)に対して5〜25重量%の存在下に該塩水溶液中に可溶な高分子分散剤を共存させ、攪拌下、糊化温度未満で分散重合して得られたイオン性重合体微粒子の分散液からなる層間強度向上剤。
- 前記イオン性重合体が、下記一般式(1)の単量体2〜100モル%、共重合可能な水溶性非イオン性単量体0〜98モル%からなることを特徴とする請求項1に記載の層間強度向上剤。
ここでR1は水素、メチル基またはカルボキシメチル基、AはSO3、C6H4SO3、CONHC(CH3)2CH2SO3、C6H4COOあるいはCOO、R2は水素またはCOOY2、Y1あるいはY2は水素または陽イオンをそれぞれ表わす - 前記イオン性重合体が、下記一般式(2)及び/又は(3)の単量体2〜70モル%、前記一般式(1)の単量体0〜70モル%及び共重合可能な水溶性非イオン性単量体10〜98モル%からなることを特徴とする請求項1に記載の層間強度向上剤。
ここでR3は水素又はメチル基、R4、R5は炭素数1〜3のアルキルあるいはアルコキシル基、R5は水素、炭素数1〜3のアルキル基、アルコキシル基あるいはベンジル基であり、同種でも異種でも良い、Aは酸素またはNH、Bは炭素数2〜4のアルキレン基またはアルコキシレン基を表わす、X1は陰イオンをそれぞれ表わす。
ここでR7は水素又はメチル基、R8、R9は炭素数1〜3のアルキル基、アルコキシ基あるいはベンジル基、X2は陰イオンをそれぞれ表わす - 前記一般式(1)の単量体が、(メタ)アクリル酸、イタコン酸、2−アクリルアミド2−メチルプロパンスルホン酸またはこれらの塩から選択される一種以上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層間強度向上剤。
- 前記単量体の混合物に架橋性ビニルモノマーを最大で0.5重量%含むことを特徴とする請求項1〜3のいずれかに記載の層間強度向上剤。
- 前記塩水溶液中に可溶な高分子分散剤が、イオン性高分子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層間強度向上剤。
- 前記多糖類の糊化温度が40〜100℃である事を特徴とする請求項1あるいは6に記載の層間強度向上剤。
- 紙層形成後の湿潤紙層を抄き合わせ後プレスし、さらに乾燥する工程を含む2層以上の抄き合わせ紙の製造方法において、請求項1〜7のいずれかに記載のイオン性重合体微粒子の分散液を層間強度向上剤として使用することを特徴とする層間強度向上方法。
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH10331100A (ja) * | 1997-05-28 | 1998-12-15 | Hymo Corp | 層間剥離防止剤および層間剥離防止方法 |
JP2001254290A (ja) * | 2000-01-11 | 2001-09-21 | Hymo Corp | 製紙方法 |
JP2002294595A (ja) * | 2001-01-30 | 2002-10-09 | Hymo Corp | 板紙の製造方法 |
JP2003155691A (ja) * | 2001-11-14 | 2003-05-30 | Hymo Corp | 層間強度向上剤及び層間強度向上方法 |
JP2003166198A (ja) * | 2001-11-29 | 2003-06-13 | Hymo Corp | 層間強度向上剤及び抄き合わせ紙の製造方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10331100A (ja) * | 1997-05-28 | 1998-12-15 | Hymo Corp | 層間剥離防止剤および層間剥離防止方法 |
JP2001254290A (ja) * | 2000-01-11 | 2001-09-21 | Hymo Corp | 製紙方法 |
JP2002294595A (ja) * | 2001-01-30 | 2002-10-09 | Hymo Corp | 板紙の製造方法 |
JP2003155691A (ja) * | 2001-11-14 | 2003-05-30 | Hymo Corp | 層間強度向上剤及び層間強度向上方法 |
JP2003166198A (ja) * | 2001-11-29 | 2003-06-13 | Hymo Corp | 層間強度向上剤及び抄き合わせ紙の製造方法 |
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