CN104927506B - 一种用于制作标签的水溶性涂料 - Google Patents
一种用于制作标签的水溶性涂料 Download PDFInfo
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- CN104927506B CN104927506B CN201510321646.4A CN201510321646A CN104927506B CN 104927506 B CN104927506 B CN 104927506B CN 201510321646 A CN201510321646 A CN 201510321646A CN 104927506 B CN104927506 B CN 104927506B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 239000003973 paint Substances 0.000 title claims abstract description 20
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 15
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 10
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 5
- 235000010215 titanium dioxide Nutrition 0.000 claims abstract description 5
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 6
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 5
- 229920002472 Starch Polymers 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000008107 starch Substances 0.000 claims description 3
- 235000019698 starch Nutrition 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 14
- 239000002184 metal Substances 0.000 abstract description 14
- 238000000576 coating method Methods 0.000 abstract description 9
- 239000011248 coating agent Substances 0.000 abstract description 8
- 238000005406 washing Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000007747 plating Methods 0.000 abstract description 2
- 239000012670 alkaline solution Substances 0.000 description 3
- 238000006136 alcoholysis reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 238000003854 Surface Print Methods 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 150000002085 enols Chemical class 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000013528 metallic particle Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D129/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Coating compositions based on hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Coating compositions based on derivatives of such polymers
- C09D129/02—Homopolymers or copolymers of unsaturated alcohols
- C09D129/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
- Laminated Bodies (AREA)
Abstract
本发明公开了一种用于制作标签的水溶性涂料，包括：9～91wt%的醇化淀粉胶PVAD，0.5～5wt%的钛白色浆，0.5～5wt%的碳酸钙色浆，其余为乙醇。所述的用于制作标签的水溶性涂料，其涂布在标签表面后能够快速干燥，形成一层能被水容易洗脱的水洗涂层，使得随后附着在水洗涂层上的金属镀层可以简单地剥离标签表面。本发明可用于局部定位金属电镀标签的生产过程。
Description
技术领域
本发明涉及印刷物涂料技术领域，特别涉及一种用于制作标签的水溶性涂料。
背景技术
在标签制造行业中，要想实现局部定位的金属花纹，需要先将其整个表面进行镀印，然后对花纹区域表面施加保护层，再用碱性溶液将花纹区域以外的金属蚀去。由于保护层仅能保护金属花纹的上表面，而碱性溶液却可以从侧面渗入，使得花纹区域边缘的金属容易发生剥落；同时碱性溶液也可能对标签的基材产生不良影响，降低产品的合格率。
发明内容
针对现有技术的不足，本发明提供了一种用于制作标签的水溶性涂料，该水溶性涂料可以改变局部定位的金属花纹的获得方法，能有效保障标签生产的合格率。
一种用于制作标签的水溶性涂料，包括：9～91wt%的醇化淀粉胶PVAD，0.5～5wt%的钛白色浆，0.5～5wt%的碳酸钙色浆，其余为乙醇。
进一步地，所述醇化淀粉胶PVAD包括1.2～12wt%的聚乙烯醇，0.2～2wt%的淀粉，4.4～44wt%的乙醇，4.4～44wt%的水组成。所述聚乙烯醇的醇解度≥50%，固含量≤20%。
本发明所述水溶性涂料的固含量为15～80wt%。
本发明所述的用于制作标签的水溶性涂料，其涂布在标签表面后能够快速干燥，形成一层能被自来水容易洗脱的水洗涂层，使得随后附着在水洗涂层上的金属镀层可以简单地剥离标签表面，并且剥离后的金属镀层会被水溶性涂料裹住，容易沉降，既能简化污水处理的步骤，又可以将金属颗粒回收利用，有利于节能环保。本发明可用于局部定位金属电镀标签的生产过程。
具体实施方式
以下将结合实施例对本发明的构思及产生的技术效果进行清楚、完整地描述，以充分地理解本发明的目的、特征和效果。显然，所描述的实施例只是本发明的一部分实施例，而不是全部实施例，基于本发明的实施例，本领域的技术人员在不付出创造性劳动的前提下所获得的其他实施例，均属于本发明保护的范围。
一种用于制作标签的水溶性涂料，包括：9～91wt%的醇化淀粉胶PVAD，0.5～5wt%的钛白色浆，0.5～5wt%的碳酸钙色浆，其余为乙醇。其中，所述醇化淀粉胶PVAD包括1.2～12wt%的聚乙烯醇，0.2～2wt%的淀粉，4.4～44wt%的乙醇，4.4～44wt%的水组成。所述聚乙烯醇的醇解度≥50%，固含量≤20%。所述用于制作标签的水溶性涂料的固含量为15～80wt%。所述钛白色浆和碳酸钙色浆均选用市面常规产品。
本发明所述的用于制作标签的水溶性涂料的使用方法：针对需要添加金属花纹的标签，①在基材表面以套印的方式对花纹区域以外的区域定位涂布本发明所述的用于制作标签的水溶性涂料；②待水溶性涂料干燥形成水洗涂层后，对标签的整个表面进行真空蒸镀；③用水冲洗标签，所述水洗涂层遇水溶解，使得花纹区域以外的金属层剥落；④溶解后的水洗涂层将附着在其表面的金属裹住并在沉淀池中沉淀，使得金属易于回收。
以上对本发明的较佳实施方式进行了具体说明，但本发明创造并不限于所述实施例，熟悉本领域的技术人员在不违背本发明精神的前提下还可做出种种的等同变型或替换，这些等同的变型或替换均包含在本申请权利要求所限定的范围内。
Claims (4)
1.一种用于制作标签的水溶性涂料，其特征在于包括：9～91wt％的醇化淀粉胶PVAD，0.5～5wt％的钛白色浆，0.5～5wt％的碳酸钙色浆，其余为乙醇；
所述醇化淀粉胶PVAD包括1.2～12wt％的聚乙烯醇，0.2～2wt％的淀粉，4.4～44wt％的乙醇，4.4～44wt％的水组成。
2.根据权利要求1所述的用于制作标签的水溶性涂料，其特征在于：所述聚乙烯醇的醇解度≥50％。
3.根据权利要求1所述的用于制作标签的水溶性涂料，其特征在于：所述聚乙烯醇的固含量≤20％。
4.根据权利要求1所述的用于制作标签的水溶性涂料，其特征在于：所述水溶性涂料的固含量为15～80wt％。
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3772073A (en) * | 1970-10-19 | 1973-11-13 | Nalco Chemical Co | Paper coated with a composition comprising pigments and styrene-acrolein polymers |
| KR101882368B1 (ko) * | 2010-01-19 | 2018-07-27 | 코러테크 | 개선된 접착제 조성물 |
| CN103073953A (zh) * | 2013-02-07 | 2013-05-01 | 苏州牛剑新材料有限公司 | 一种水性导电油墨及其制备方法 |
| CN104077960B (zh) * | 2014-06-24 | 2016-09-07 | 广东万昌印刷包装股份有限公司 | 一种薄膜标签及制备方法 |
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Effective date of registration: 20170905 Address after: 528000 Guangdong city of Foshan province Lecong Hengxi town Shunde District fine Sea Road Industrial Area Applicant after: GUANGDONG WANCHANG PRINTING PACKAGING Co.,Ltd. Applicant after: MANCHEONG PACKAGING PRINTING (SHENYANG) Co.,Ltd. Applicant after: CHENGDU MANCHEONG PACKAGING PRINTING Co.,Ltd. Applicant after: GUANGDONG MANCHEONG KEYI MATERIAL CO.,LTD. Applicant after: LUOYANG MANCHEONG PRINTING & PACKAGING Co.,Ltd. Address before: 528000 Guangdong city of Foshan province Lecong Hengxi town Shunde District fine Sea Road Industrial Area Applicant before: GUANGDONG WANCHANG PRINTING PACKAGING Co.,Ltd. Applicant before: MANCHEONG PACKAGING PRINTING (SHENYANG) Co.,Ltd. Applicant before: CHENGDU MANCHEONG PACKAGING PRINTING Co.,Ltd. Applicant before: GUANGDONG MANCHEONG KEYI MATERIAL CO.,LTD. Applicant before: LUOYANG MANCHEONG PRINTING & PACKAGING Co.,Ltd. Applicant before: TIANJIN MANCHEONG PRINTING Co.,Ltd. |
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