JP4675131B2 - 水性塗料からなる絵柄模様層の密着性が高いポリオレフィン系発泡壁紙 - Google Patents
水性塗料からなる絵柄模様層の密着性が高いポリオレフィン系発泡壁紙 Download PDFInfo
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- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 2
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- NRCMAYZCPIVABH-UHFFFAOYSA-N Quinacridone Chemical compound N1C2=CC=CC=C2C(=O)C2=C1C=C1C(=O)C3=CC=CC=C3NC1=C2 NRCMAYZCPIVABH-UHFFFAOYSA-N 0.000 description 1
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- UHOKSCJSTAHBSO-UHFFFAOYSA-N indanthrone blue Chemical compound C1=CC=C2C(=O)C3=CC=C4NC5=C6C(=O)C7=CC=CC=C7C(=O)C6=CC=C5NC4=C3C(=O)C2=C1 UHOKSCJSTAHBSO-UHFFFAOYSA-N 0.000 description 1
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- 239000012796 inorganic flame retardant Substances 0.000 description 1
- WTFXARWRTYJXII-UHFFFAOYSA-N iron(2+);iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[Fe+2].[Fe+3].[Fe+3] WTFXARWRTYJXII-UHFFFAOYSA-N 0.000 description 1
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- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
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- OBJNZHVOCNPSCS-UHFFFAOYSA-N naphtho[2,3-f]quinazoline Chemical compound C1=NC=C2C3=CC4=CC=CC=C4C=C3C=CC2=N1 OBJNZHVOCNPSCS-UHFFFAOYSA-N 0.000 description 1
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- IZMJMCDDWKSTTK-UHFFFAOYSA-N quinoline yellow Chemical compound C1=CC=CC2=NC(C3C(C4=CC=CC=C4C3=O)=O)=CC=C21 IZMJMCDDWKSTTK-UHFFFAOYSA-N 0.000 description 1
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- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
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- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
- JOUDBUYBGJYFFP-FOCLMDBBSA-N thioindigo Chemical compound S\1C2=CC=CC=C2C(=O)C/1=C1/C(=O)C2=CC=CC=C2S1 JOUDBUYBGJYFFP-FOCLMDBBSA-N 0.000 description 1
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 description 1
- 235000013799 ultramarine blue Nutrition 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- 235000014692 zinc oxide Nutrition 0.000 description 1
- 229910052984 zinc sulfide Inorganic materials 0.000 description 1
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 description 1
Description
(1)発泡樹脂層の表面であって、紙質基材の存在する側とは逆面には、メタクリル酸含有量が4〜15重量%のエチレン−メタクリル酸共重合体樹脂を含む非発泡樹脂層が形成されており、
(2)絵柄模様層は、水性塗料から形成されており、
(3)絵柄模様層は、前記非発泡樹脂層の表面に形成されている、
ことを特徴とする発泡壁紙。
以下、本発明の発泡壁紙について詳細に説明する。
本発明の発泡壁紙は、紙質基材上に、ポリオレフィン系樹脂を含む発泡樹脂層と、絵柄模様層とを少なくとも有する発泡壁紙であって、
(1)発泡樹脂層の表面であって、紙質基材の存在する側とは逆面には、エチレン−メタクリル酸共重合体樹脂(EMAA)を含む非発泡樹脂層が形成されており、
(2)絵柄模様層は、水性塗料から形成されており、
(3)絵柄模様層は、前記非発泡樹脂層の表面に形成されている、
ことを特徴とする。
紙質基材は、壁紙基材として適した機械強度、耐熱性等を有する限り特に限定されず、繊維質シートが一般に使用できる。
本発明の発泡壁紙は、紙質基材上に、ポリオレフィン系樹脂を含む発泡樹脂層を有する。
発泡樹脂層のおもて面には、EMAA含有非発泡樹脂層が形成されている。EMAAは限定的ではないが、MAA含有量が4〜15重量%程度のものが好ましい。このようなEMAAとしては、例えば、EMAA(製品名「ニュクレル N1035」、MFR:35g/10分、三井・デュポンポリケミカル製)が好適である。
本発明の発泡壁紙は、前記EMAA含有非発泡樹脂層のおもて面に水性塗料からなる絵柄模様層が形成されている。EMAA含有非発泡樹脂層のおもて面に絵柄模様層を形成するため、絵柄模様層が水性塗料から形成されるにも関わらず、良好な密着性が得られる。
本発明の発泡壁紙は、最表面層として表面保護層を有してもよい。表面保護層は、発泡壁紙に耐スクラッチ性、耐摩耗性、耐汚染性等の表面物性を付与できる。
本発明の発泡壁紙は、おもて面に任意のエンボス模様をさらに有してもよい。
本発明の発泡壁紙の製造方法は特に限定されない。一般に、紙質基材上に熱分解型発泡剤を含む未発泡樹脂層とEMAA含有非発泡樹脂層とを順に形成後、非発泡樹脂層上に水性塗料により絵柄模様層を形成し、次いで発泡剤を加熱することにより未発泡樹脂層を発泡樹脂層とする製造方法が好適である。
非発泡樹脂層を形成するために、EMAA(製品名「ニュクレル N1035」、MFR:35g/10分、三井・デュポンポリケミカル製)を用意した。
非発泡樹脂層を構成する樹脂を、EVA(製品名「エバテートD4010」、MFR:10、住友化学製)とした以外は、実施例1と同様にして発泡壁紙を作製した。
非発泡樹脂層を構成する樹脂を、EVA(製品名「エバテートD4010」、MFR:10、住友化学製)とし、コロナ放電処理後、グラビア印刷機によりEVA系水性エマルションからなるプライマー層を2g/m2塗工した以外は、実施例1と同様にして発泡壁紙を作製した。
実施例及び比較例で作製した発泡壁紙について、絵柄模様層の密着性を評価した。
実施例及び比較例で作製した発泡壁紙の耐スクラッチ性を評価した。
実施例及び比較例において、発泡壁紙の製造コストを対比評価した。
Claims (5)
- 紙質基材上に、ポリオレフィン系樹脂を含む発泡樹脂層と、絵柄模様層とを少なくとも有する発泡壁紙であって、
(1)発泡樹脂層の表面であって、紙質基材の存在する側とは逆面には、メタクリル酸含有量が4〜15重量%のエチレン−メタクリル酸共重合体樹脂を含む非発泡樹脂層が形成されており、
(2)絵柄模様層は、水性塗料から形成されており、
(3)絵柄模様層は、前記非発泡樹脂層の表面に形成されている、
ことを特徴とする発泡壁紙。 - ポリオレフィン系樹脂が、エチレン−酢酸ビニル共重合体樹脂である、請求項1に記載の発泡壁紙。
- エチレン−酢酸ビニル共重合体樹脂が、架橋している、請求項2に記載の発泡壁紙。
- 非発泡樹脂層が、さらにエチレン−酢酸ビニル共重合体樹脂を含む、請求項1〜3のいずれかに記載の発泡壁紙。
- 非発泡樹脂層の厚さが、5〜50μmである、請求項1〜4のいずれかに記載の発泡壁紙。
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JP2002192669A (ja) * | 2000-12-26 | 2002-07-10 | Dainippon Printing Co Ltd | 化粧シート |
JP2004358717A (ja) * | 2003-06-03 | 2004-12-24 | Dainippon Printing Co Ltd | 化粧シート |
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JP2002192669A (ja) * | 2000-12-26 | 2002-07-10 | Dainippon Printing Co Ltd | 化粧シート |
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