JP5130553B1 - 印刷インキバインダー用ポリウレタン樹脂組成物 - Google Patents
印刷インキバインダー用ポリウレタン樹脂組成物 Download PDFInfo
- Publication number
- JP5130553B1 JP5130553B1 JP2012115512A JP2012115512A JP5130553B1 JP 5130553 B1 JP5130553 B1 JP 5130553B1 JP 2012115512 A JP2012115512 A JP 2012115512A JP 2012115512 A JP2012115512 A JP 2012115512A JP 5130553 B1 JP5130553 B1 JP 5130553B1
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- JP
- Japan
- Prior art keywords
- polyurethane resin
- resin composition
- alcohol
- printing ink
- solvent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000007639 printing Methods 0.000 title claims abstract description 56
- 229920005749 polyurethane resin Polymers 0.000 title claims abstract description 49
- 239000011342 resin composition Substances 0.000 title claims abstract description 26
- 239000011230 binding agent Substances 0.000 title description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000002904 solvent Substances 0.000 claims abstract description 31
- 239000000203 mixture Substances 0.000 claims abstract description 26
- 229920005862 polyol Polymers 0.000 claims abstract description 26
- 150000003077 polyols Chemical class 0.000 claims abstract description 26
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 claims abstract description 22
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 21
- 229920000642 polymer Polymers 0.000 claims abstract description 21
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000005056 polyisocyanate Substances 0.000 claims abstract description 16
- 229920001228 polyisocyanate Polymers 0.000 claims abstract description 16
- 150000004985 diamines Chemical class 0.000 claims abstract description 11
- 239000012046 mixed solvent Substances 0.000 claims abstract description 10
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 claims abstract description 5
- 150000002009 diols Chemical class 0.000 claims description 20
- 238000006243 chemical reaction Methods 0.000 claims description 16
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 12
- 229920000570 polyether Polymers 0.000 claims description 12
- 229920000728 polyester Polymers 0.000 claims description 8
- 229920005906 polyester polyol Polymers 0.000 claims description 7
- 150000002148 esters Chemical class 0.000 abstract description 17
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 abstract description 12
- 230000000903 blocking effect Effects 0.000 abstract description 12
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 abstract description 9
- 239000003960 organic solvent Substances 0.000 abstract description 6
- 230000000704 physical effect Effects 0.000 abstract description 6
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 abstract description 3
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 abstract description 3
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 abstract description 3
- 239000008096 xylene Substances 0.000 abstract description 3
- 239000002635 aromatic organic solvent Substances 0.000 abstract description 2
- 230000008030 elimination Effects 0.000 abstract description 2
- 238000003379 elimination reaction Methods 0.000 abstract description 2
- 150000002576 ketones Chemical class 0.000 abstract description 2
- 239000000976 ink Substances 0.000 description 72
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 25
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 24
- -1 aromatic isocyanate Chemical class 0.000 description 18
- 239000012948 isocyanate Substances 0.000 description 14
- 239000003086 colorant Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 11
- 239000000049 pigment Substances 0.000 description 11
- 238000012546 transfer Methods 0.000 description 10
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 9
- 150000001412 amines Chemical class 0.000 description 8
- 229920005989 resin Polymers 0.000 description 8
- 239000011347 resin Substances 0.000 description 8
- 239000004970 Chain extender Substances 0.000 description 6
- 239000005058 Isophorone diisocyanate Substances 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 125000003118 aryl group Chemical group 0.000 description 6
- 239000003054 catalyst Substances 0.000 description 6
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 description 6
- RNLHGQLZWXBQNY-UHFFFAOYSA-N 3-(aminomethyl)-3,5,5-trimethylcyclohexan-1-amine Chemical compound CC1(C)CC(N)CC(C)(CN)C1 RNLHGQLZWXBQNY-UHFFFAOYSA-N 0.000 description 5
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 5
- 239000002253 acid Substances 0.000 description 5
- 239000005456 alcohol based solvent Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000003759 ester based solvent Substances 0.000 description 5
- 238000007646 gravure printing Methods 0.000 description 5
- 150000002513 isocyanates Chemical class 0.000 description 5
- 238000010030 laminating Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000002985 plastic film Substances 0.000 description 5
- 229920006255 plastic film Polymers 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 238000003786 synthesis reaction Methods 0.000 description 5
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 4
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 description 4
- 239000005020 polyethylene terephthalate Substances 0.000 description 4
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 4
- YKYONYBAUNKHLG-UHFFFAOYSA-N propyl acetate Chemical compound CCCOC(C)=O YKYONYBAUNKHLG-UHFFFAOYSA-N 0.000 description 4
- BBEAQIROQSPTKN-UHFFFAOYSA-N pyrene Chemical compound C1=CC=C2C=CC3=CC=CC4=CC=C1C2=C43 BBEAQIROQSPTKN-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000003849 aromatic solvent Substances 0.000 description 3
- 230000000740 bleeding effect Effects 0.000 description 3
- 238000003851 corona treatment Methods 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 239000002270 dispersing agent Substances 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 150000002466 imines Chemical class 0.000 description 3
- 239000005453 ketone based solvent Substances 0.000 description 3
- 229920001684 low density polyethylene Polymers 0.000 description 3
- 239000004702 low-density polyethylene Substances 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N monopropylene glycol Natural products CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- ARXKVVRQIIOZGF-UHFFFAOYSA-N 1,2,4-butanetriol Chemical compound OCCC(O)CO ARXKVVRQIIOZGF-UHFFFAOYSA-N 0.000 description 2
- JOLQKTGDSGKSKJ-UHFFFAOYSA-N 1-ethoxypropan-2-ol Chemical compound CCOCC(C)O JOLQKTGDSGKSKJ-UHFFFAOYSA-N 0.000 description 2
- LIPRQQHINVWJCH-UHFFFAOYSA-N 1-ethoxypropan-2-yl acetate Chemical compound CCOCC(C)OC(C)=O LIPRQQHINVWJCH-UHFFFAOYSA-N 0.000 description 2
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 description 2
- 229920000298 Cellophane Polymers 0.000 description 2
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 125000003277 amino group Chemical group 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- JQVDAXLFBXTEQA-UHFFFAOYSA-N dibutylamine Chemical compound CCCCNCCCC JQVDAXLFBXTEQA-UHFFFAOYSA-N 0.000 description 2
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 2
- 239000003085 diluting agent Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
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- GVEPBJHOBDJJJI-UHFFFAOYSA-N fluoranthrene Natural products C1=CC(C2=CC=CC=C22)=C3C2=CC=CC3=C1 GVEPBJHOBDJJJI-UHFFFAOYSA-N 0.000 description 2
- 238000005227 gel permeation chromatography Methods 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 description 2
- GJRQTCIYDGXPES-UHFFFAOYSA-N iso-butyl acetate Natural products CC(C)COC(C)=O GJRQTCIYDGXPES-UHFFFAOYSA-N 0.000 description 2
- FGKJLKRYENPLQH-UHFFFAOYSA-M isocaproate Chemical compound CC(C)CCC([O-])=O FGKJLKRYENPLQH-UHFFFAOYSA-M 0.000 description 2
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 2
- JMMWKPVZQRWMSS-UHFFFAOYSA-N isopropanol acetate Natural products CC(C)OC(C)=O JMMWKPVZQRWMSS-UHFFFAOYSA-N 0.000 description 2
- 229940011051 isopropyl acetate Drugs 0.000 description 2
- GWYFCOCPABKNJV-UHFFFAOYSA-N isovaleric acid Chemical compound CC(C)CC(O)=O GWYFCOCPABKNJV-UHFFFAOYSA-N 0.000 description 2
- OQAGVSWESNCJJT-UHFFFAOYSA-N isovaleric acid methyl ester Natural products COC(=O)CC(C)C OQAGVSWESNCJJT-UHFFFAOYSA-N 0.000 description 2
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- 150000008064 anhydrides Chemical class 0.000 description 1
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- 125000000129 anionic group Chemical group 0.000 description 1
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Classifications
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
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Abstract
トルエンやキシレンなどの芳香族有機溶剤、メチルエチルケトンやメチルイソブチルケトンなどのケトン系有機溶剤の排除に対応したエステル/アルコール溶剤系において、優れた版かぶり性等の印刷適性と、優れた耐ブロッキング性、接着性、耐アルコールブリード性等の印刷物性を両立したポリウレタン樹脂組成物使用の印刷インキ組成物を提供することにある。
【解決手段】
トリレンジイソシアネートを含むポリイソシアネートと高分子ポリオールとを反応させてなる末端にイソシアネート基を有するウレタンプレポリマーに、さらに、有機ジアミンおよびアルカノールアミンを反応させ、[NCO(全)]/[OH]および[NCO(TDI)]/[OH]、ポリウレタン樹脂の水酸基価、有機ジアミンとアルカノールアミンとの比率を制御したポリウレタン樹脂、ならびにエステル系溶剤とアルコールとを含む混合溶剤を含むポリウレタン樹脂組成物を用いる。
【選択図】なし
Description
並びに混合溶剤を含むポリウレタン樹脂組成物であって、
下記の(A)〜(F)であることを特徴とするポリウレタン樹脂組成物に関するものである。
(A)ポリイソシアネートの全イソシアネート基と高分子ポリオールの水酸基との反応におけるモル比[NCO(全)]/[OH]が、1.8〜2.3である。
(B)トリレンジイソシアネートのイソシアネート基と高分子ポリオールの水酸基との反応におけるモル比[NCO(TDI)]/[OH]が、1.0〜2.1である。
(C)ポリウレタン樹脂の水酸基価が1.0〜10.0mgKOH/gである。
(D)有機ジアミンのモル数d1とアルカノールアミンのモル数d2とのモル比d1/d2が、3〜25である。
(E)混合溶剤が、エステル系溶剤とアルコール系溶剤とを含む。
(F)高分子ポリオールが、ポリエステルジオールとポリエーテルジオールとからなる。
高分子ポリオール中の、ポリエステルジオールが20〜80重量%、ポリエーテルジオール80〜20重量%であることを特徴とする請求項1記載のポリウレタン樹脂組成物に関するものである。
試料を0.5〜2g精秤する。(試料量:Sg)精秤した試料に中性エタノール(BDG中性)30mLを加え溶解させる。得られた溶液を0.2mol/Lエタノール性塩酸溶液(力価:f)で滴定を行なう。溶液の色が緑から黄に変化した点を終点とし、この時の滴定量(AmL)を用い次の(式1)によりアミン価を求めた。
アミン価=(A×f×0.2×56.108)/S [mgKOH/g]
攪拌機、温度計、還流冷却器および窒素ガス導入管を備えた四つ口フラスコに、分子量2000のPPA2000(水酸基価56.1mgKOH/g)111.99部、分子量1000のPPG1000(水酸基価112.2mgKOH/g)111.99部、トリレンジイソシアネート52.65部、2−エチルヘキサン酸スズ(II)0.03部、酢酸エチル82.5部を仕込み、窒素気流下に90℃で3時間反応させ、末端イソシアネートプレポリマーの溶液359.16部を得た。次いでイソホロンジアミン21.74部、モノエタノールアミン1.64部、イソプロピルアルコール290部、酢酸エチル327.47部を混合したものへ、得られた末端イソシアネートプレポリマーの溶剤溶液359.16部を室温で徐々に添加し、次に50℃で1時間反応させ、固形分30.0%、重量平均分子量30000、アミン価4.0mgKOH/gのポリウレタン樹脂組成物(PU01)を得た。
表1および表2の仕込み比にて、合成例1と同様の操作で、ポリウレタン樹脂組成物(PU02〜PU24)を得た。
なお合成には下記の原料を用いた。
PPA2000:ポリ(1,2−プロピレンアジペート)ジオール(数平均分子量2000)
NPG2000:ポリ(ネオペンチルアジペート)ジオール(数平均分子量2000)
PMPA2000:ポリ(3−メチル−1,5−ペンタンアジペート)ジオール(数平均分子量2000)
PPG1000:ポリ(1,2−プロピレングリコール)(数平均分子量1000)
TDI:トリレンジイソシアネート
IPDI:イソホロンジイソシアネート
MDI:ジフェニルメタンジイソシアネート
IPDA:イソホロンジアミン
MEA:モノエタノールアミン
DEA:ジエタノールアミン
DBA:ジ−n−ブチルアミン
IPA:イソプロピルアルコール
酸化チタン(TITONE R45M 堺化学製)30.00部、ポリウレタン樹脂組成物(PU01)10.00部、酢酸エチル/イソプロピルアルコール混合溶剤(重量比70/30)10.00部を撹拌混合しサンドミルで練肉した後、ポリウレタン樹脂組成物(PU01)40.00部、酢酸エチル/イソプロピルアルコール混合溶剤(重量比70/30)10.00部を攪拌混合し、白色印刷インキ組成物(W01)を得た。さらに、この白色印刷インキ組成物100.00部に、重量比で酢酸エチル/イソプロピルアルコール=85/15の希釈溶剤1、または酢酸エチル/イソプロピルアルコール=50/50の希釈溶剤2を、それぞれ40.00部混合し、評価用の白色希釈印刷インキ1および白色希釈印刷インキ2とした。
実施例1と同様の操作で、白色印刷インキ組成物(W02〜16及びW17〜24)を得た。なお、各々の印刷インキ組成物に用いるポリウレタン樹脂組成物は表3および表4の通りである。また、実施例1と同様の操作で、得られた白色印刷インキ組成物100.00部に、重量比で酢酸エチル/イソプロピルアルコール=85/15の希釈溶剤1、または酢酸エチル/イソプロピルアルコール=50/50の希釈溶剤2を、それぞれ40.00部混合し、評価用の白色希釈印刷インキ1および白色希釈印刷インキ2とした。
NBR(ニトリルブタジエンゴム)製のゴム硬度80Hsの圧胴、刃先の厚みが60μm(母材の厚み40μm、片側セラミック層の厚み10μm)のセラミックメッキドクターブレード、東洋プリプレス株式会社製のクロム硬度1050Hvの電子彫刻版(スタイラス角度120度、200線/inch)の富士機械工業株式会社製グラビア印刷機に白色希釈印刷インキ1または白色希釈印刷インキ2をセットし、ドクター圧2kg/cm2、100m/分の回転速度で空転を60分行った後、片面コロナ処理OPPフィルム「パイレンP−2161(東洋紡績株式会社製)」のコロナ処理面に、印刷速度100m/分で印圧2kg/cm2、60℃の熱風で乾燥し、印刷物を得た。この印刷物を黒色の紙の上に貼り、余白部分(非画線部)に付着したインキの量を以下の基準で目視評価した。
◎ :非画像部にインキの転移が全く認められなかった。
○ :非画像部にインキの転移が僅かに認められた。
○△:非画像部の小面積にインキの転移が認められた。これ以上実用レベルである。
△ :非画像部の大面積にインキの転移が認められた。
× :非画像部全面にインキの転移が認められた。
白色希釈印刷インキ1を、版深35μmグラビア版を備えたグラビア校正機によるコロナ処理OPPフィルム(太閤FOR フタムラ #20)に印刷して40〜50℃で乾燥し、印刷物を得た。この印刷物を4cm×4cmにサンプリングし、このサンプルの印刷面と同じ大きさの未印刷フィルムの非処理面とを合わせて、50℃12時間、10kgfの加圧を行い、サンプルを剥離した時の、インキ取られ及び抵抗感を観察した。
◎ :印刷物からインキの転移が全く認められず、剥離時の抵抗感もなかった。
○ :印刷物からインキの転移が全く認められなかったが、剥離時の抵抗感があった。
○△:印刷物からインキの転移が認められたが、面積にして10%未満であった。
これ以上実用レベルである。
△ :印刷物からインキの転移が、10%以上50%未満の面積で認められた。
× :印刷物からインキの転移が、50%以上の面積で認められた。
耐ブロッキング性試験で得た印刷物にセロハンテープ(ニチバン製、幅12mm)を貼り付け親指で5回強く擦った後、セロハンテープを徐々に引き離し途中から、急激に引き離してインキ皮膜の剥離の程度を調べた。
◎ :ゆっくり引き離しても、急激に引き離しても全くインキの剥離が認められない。
○ :ゆっくり引き離しても全くインキの剥離は認められないが、
急激に引き離すとインキの剥離が20%未満の面積で認められた。これ以上実用レベルである。
△ :ゆっくり引き離してもインキの剥離は認められないが、
急激に引き離すとインキの剥離が20%以上の面積で認められた。
△×:ゆっくり引き離しても50%程度までの面積のインキの剥離が認められた。
× :ゆっくり引き離してもほとんどのインキの剥離が認められた。
白色希釈印刷インキ1を、版深35μmグラビア版を備えたグラビア校正機によるコロナ処理OPPフィルム(太閤FOR フタムラ #20)に印刷して40〜50℃で乾燥し、次いでインラインにてイソプロピルアルコールを塗工、40〜50℃で乾燥し、ブリード痕の跡など外観を観察した。
◎ :印刷物に外観不良の発生はなかった。
○ :印刷物に若干むらが認められた。これ以上実用レベルである。
△ :印刷物に薄くブリード痕が認められた。
× :印刷物にはっきりブリード痕が認められた。
版かぶり性試験の印刷条件で、片面コロナ処理で厚み20μmのポリプロピレン(以下OPP)フィルム「パイレンP−2161(東洋紡績株式会社製)」、片面コロナ処理で厚み12μmのポリエチレンテレフタレート(以下PET)フィルム「東洋紡エステルフィルムE5100(東洋紡績株式会社製)」を基材とした印刷物を得て、ポリエチレンイミン系アンカーコート剤「オリバインEL−420」(東洋モートン株式会社製、商品名)を塗布し、塗布面上にシーラントとして低密度ポリエチレン「ノバテックLC600」(日本ポリケム株式会社製、商品名)の溶融温度を315℃にて押し出し、ラミネート加工物を得た。低密度ポリエチレンの溶融温度は、押し出しラミネート機のTダイ直下における温度を接触式温度計(安立計器株式会社製HL−100)にて測定した。該ラミネート加工物におけるインキ部を巾15mmで裁断し、インキ面と溶融樹脂層の層間で剥離させた後、剥離強度をインテスコ製201万能引張り試験機にて剥離強度の測定を行った。なお、OPP/イミン構成では1.0N/15mm以上、PET/イミン構成では1.5N/15mm以上を実用レベルとする。
Claims (3)
- トリレンジイソシアネートを含むポリイソシアネートと高分子ポリオールとを反応させてなる末端にイソシアネート基を有するウレタンプレポリマーを、有機ジアミンおよびアルカノールアミンと反応させてなるポリウレタン樹脂、
並びに混合溶剤を含むポリウレタン樹脂組成物であって、
下記の(A)〜(F)であることを特徴とするポリウレタン樹脂組成物。
(A)ポリイソシアネートの全イソシアネート基と高分子ポリオールの水酸基との反応におけるモル比[NCO(全)]/[OH]が、1.8〜2.3である。
(B)トリレンジイソシアネートのイソシアネート基と高分子ポリオールの水酸基との反応におけるモル比[NCO(TDI)]/[OH]が、1.0〜2.1である。
(C)ポリウレタン樹脂の水酸基価が1.0〜10.0mgKOH/gである。
(D)有機ジアミンのモル数d1とアルカノールアミンのモル数d2とのモル比d1/d2が、3〜25である。
(E)混合溶剤が、エステル系溶剤とアルコール系溶剤とを含む。
(F)高分子ポリオールが、ポリエステルジオールとポリエーテルジオールとからなる。 - 高分子ポリオールが、ポリエステルジオールとポリエーテルジオールとからなり、
高分子ポリオール中の、ポリエステルジオールが20〜80重量%、ポリエーテルジオール80〜20重量%であることを特徴とする請求項1記載のポリウレタン樹脂組成物。 - 請求項1または2記載のポリウレタン樹脂組成物を含有することを特徴とする印刷インキ組成物。
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MYPI2014702779A MY169259A (en) | 2012-03-28 | 2013-03-19 | Polyurethane resin composition for printing ink binder |
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PCT/JP2013/057772 WO2013146452A1 (ja) | 2012-03-28 | 2013-03-19 | 印刷インキバインダー用ポリウレタン樹脂組成物 |
CN201380016733.8A CN104204020B (zh) | 2012-03-28 | 2013-03-19 | 印刷油墨粘合剂用聚氨酯树脂组合物 |
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JP6179775B2 (ja) * | 2014-04-08 | 2017-08-16 | 東洋インキScホールディングス株式会社 | Ptp包装用インキ組成物及び積層体 |
JP2016094548A (ja) * | 2014-11-14 | 2016-05-26 | サカタインクス株式会社 | 有機溶剤性グラビア印刷用ハイソリッドインキ組成物及びグラビア印刷方法 |
WO2018212011A1 (ja) * | 2017-05-16 | 2018-11-22 | Dicグラフィックス株式会社 | リキッドインキ組成物、印刷物及びラミネート積層体 |
JP6905130B1 (ja) * | 2020-07-07 | 2021-07-21 | 大日精化工業株式会社 | バイオポリウレタン樹脂を用いた印刷インキ |
CN112279989A (zh) * | 2020-10-30 | 2021-01-29 | 南通高盟新材料有限公司 | 一种醇溶型聚氨酯油墨连接料及其制备方法 |
KR102570035B1 (ko) * | 2023-01-31 | 2023-08-22 | 김병길 | 고온 변색 잉크 조성물이 채색된 페인팅 가이드 캔버스 및 이의 제조방법 |
KR102565983B1 (ko) * | 2023-04-04 | 2023-08-11 | 주식회사 풍림피앤피 | 후렉소 인쇄용 친환경 잉크 조성물 |
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MY169259A (en) | 2019-03-19 |
KR20140139566A (ko) | 2014-12-05 |
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