CN110792000A - 一种水果包装箱用瓦楞纸印刷工艺 - Google Patents
一种水果包装箱用瓦楞纸印刷工艺 Download PDFInfo
- Publication number
- CN110792000A CN110792000A CN201911052868.5A CN201911052868A CN110792000A CN 110792000 A CN110792000 A CN 110792000A CN 201911052868 A CN201911052868 A CN 201911052868A CN 110792000 A CN110792000 A CN 110792000A
- Authority
- CN
- China
- Prior art keywords
- corrugated paper
- treatment
- printing
- laminating
- corrugated
- 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.)
- Withdrawn
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/80—Paper comprising more than one coating
- D21H19/82—Paper comprising more than one coating superposed
- D21H19/828—Paper comprising more than one coating superposed two superposed coatings, the first applied being non-pigmented and the second applied being pigmented
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
- B31F1/08—Creasing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/02—Letterpress printing, e.g. book printing
- B41M1/04—Flexographic printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
- B41M7/009—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using thermal means, e.g. infrared radiation, heat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
- B41M7/02—Dusting, e.g. with an anti-offset powder for obtaining raised printing such as by thermogravure ; Varnishing
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- 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
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
- C09D11/033—Printing inks characterised by features other than the chemical nature of the binder characterised by the solvent
-
- 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
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/106—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C09D11/107—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/38—Coatings with pigments characterised by the pigments
- D21H19/42—Coatings with pigments characterised by the pigments at least partly organic
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/72—Coated paper characterised by the paper substrate
- D21H19/74—Coated paper characterised by the paper substrate the substrate having an uneven surface, e.g. crêped or corrugated paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/46—Pouring or allowing the fluid to flow in a continuous stream on to the surface, the entire stream being carried away by the paper
- D21H23/48—Curtain coaters
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
- D21H25/04—Physical treatment, e.g. heating, irradiating
- D21H25/06—Physical treatment, e.g. heating, irradiating of impregnated or coated paper
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/20—Exposure; Apparatus therefor
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/06—Polyethene
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Thermal Sciences (AREA)
- Toxicology (AREA)
- Laminated Bodies (AREA)
- Cartons (AREA)
- Paper (AREA)
Abstract
本发明涉及纸箱印刷技术领域,具体涉及一种水果包装箱用瓦楞纸印刷工艺,包括瓦楞纸预处理、柔性制版、瓦楞纸表面处理、瓦楞纸PE淋膜、外层PE淋膜表面处理、柔性版印刷、上光压光处理七大步骤;本发明通过电晕处理增强PE淋膜与瓦楞纸之间附着力,再通过低温等离子处理使得水性油墨与PE淋膜之间有效结合,从而提高了墨层结合牢度,而且通过PE淋膜使得瓦楞纸的密封性和防潮性更佳;水性油墨相对于溶剂型油墨不会产生有害气体,安全性能更高,与UV油墨相比,不仅价格上低于UV油墨,而且水性油墨成膜后的韧性与PE淋膜适应,不会出现脆裂现象,解决了UV油墨成膜后易脆裂的不足。
Description
技术领域
本发明涉及纸箱印刷技术领域,具体涉及一种水果包装箱用瓦楞纸印刷工艺。
背景技术
目前市场上水果的包装箱绝大部分都是由瓦楞纸制备的,但是瓦楞纸由于自身材料的原因存在各种不足,例如气密性、防潮性以及耐磨性能均达不到包装水果的要求。另外,由于瓦楞纸的材质原因,在其印刷过程中使用水性油墨的效果较差,因此印刷厂商更多使用溶剂型油墨以达到印刷效果,但是溶剂型油墨中的溶剂均可形成有毒、有害的排放气体,如果用来印刷水果包装箱势必会严重危害消费者的身心健康。而对于UV油墨因为其价格相对较高以及成膜后易与瓦楞纸表面之间发生脆性裂纹,因此不再印刷厂商的考虑范围之内。
专利号为CN108891144A的发明公开了一种瓦楞纸板的环保绿色印刷工艺,包括如下步骤:第一步,制备防水胶体;第二步,将制备的防水胶体加入高压喷涂枪中,均匀喷涂至瓦楞纸板的表面,然后在45℃的烘干室烘至防水胶体凝固,此时在瓦楞纸板的表面形成一层防水胶体层;第三步,通过纸板印刷机在瓦楞纸板表面的防水胶体层上进行印刷;第四步,将印刷后的瓦楞纸板在烘干室中烘干。该发明直接在瓦楞纸板的表面复合一层防水胶体层,虽然能起到防水作用以及能使用湿毛巾擦拭后印刷标识,使得瓦楞纸箱可以直接重复利用,但是其印刷效果不尽人意,遇到高温潮湿的天气容易褪色,实用效果不强。针对上述瓦楞纸印刷工艺的各种不足,发明一种能有效解决上述技术问题的瓦楞纸印刷工艺是一项有待解决的技术难题。
发明内容
本发明所要解决的技术问题是设计了一种水果包装箱用瓦楞纸印刷工艺,以解决现有瓦楞纸印刷时存在气密性、防潮性等方面的不足。
本发明是通过以下技术方案实现的:
一种水果包装箱用瓦楞纸印刷工艺,包括以下步骤:
(1)瓦楞纸预处理:根据水果包装箱的规格进行分纸压线,再根据压线对瓦楞纸板进行剪切,然后再对裁剪后的瓦楞纸进行表面清洁;
(2)柔性制版:根据设计的印刷图案,在版基上涂布感光树脂,再在紫外线下曝光,然后经过冲洗、烘干、热固化处理得到所需柔性制版,备用;
(3)瓦楞纸表面处理:将步骤(1)中清洁后的瓦楞纸放入电晕机中,利用高频高压电源对瓦楞纸内外两表面进行电晕处理,电晕值为26~32W/m;
(4)瓦楞纸PE淋膜:将步骤(3)中经过电晕处理的瓦楞纸送入双面淋膜机上进行PE淋膜处理,PE淋膜温度为72~80℃,PE淋膜厚度为0.02~0.05mm;
(5)外层PE淋膜表面处理:将步骤(4)中经过PE淋膜后的瓦楞纸放入低温等离子机中,对外表面的PE淋膜进行低温等离子处理,处理气体为氮气,处理时间为10~12s,处理后PE淋膜表面张力为45~60mN/m;
(6)柔性版印刷:将步骤(2)制备的柔性制版安装到印刷机中,再上水性油墨至柔性制版上,放入步骤(5)中得到的瓦楞纸进行印刷,然后将印刷后的瓦楞纸在45℃下烘干;
(7)上光、压光处理:对步骤(6)印刷干燥后的瓦楞纸进行印刷区域局部上光,然后在60~65℃的温度下进行压光,压光后常温下冷却即得。
优选地,所述瓦楞纸为双坑瓦楞纸或三坑瓦楞纸其中的一种。
优选地,所述步骤(5)和步骤(6)中的PE淋膜由60%的高密度聚乙烯和40%的低密度聚乙烯组成。
优选地,所述步骤(6)中的水性油墨由丙烯酸乙酯、水性色浆、聚乙烯蜡乳液、消泡剂按(20~25):(60~65):(3~8):1的比例组成。
优选地,所述步骤(6)中瓦楞纸印刷前和印刷后厚度变化范围为0.4mm~1.0mm。
优选地,所述步骤(7)中上光过程中上光油的涂布量为12~16g/m2。
有益效果:
(1)本发明的先将瓦楞纸进行电晕处理,使得瓦楞纸内外两表面的附着能力更强,从而增强了PE淋膜涂覆在瓦楞纸表面上的结合力,通过在瓦楞纸上进行PE淋膜有效解决了现有瓦楞纸气密性差、防潮性不佳的不足;
(2)本发明在PE淋膜上进行水性油墨印刷之前,对外表的PE淋膜进行低温等离子处理,使得原本疏水的PE淋膜外表面形成新的官能团以及改变了聚合物的链结构,极大的改善了PE淋膜的亲水性,然后再进行水性油墨的印刷能够有效提升印刷效果,解决了现有水性油墨在PE淋膜上印刷效果不佳的不足,最后通过上光和压光处理增加了印刷品的光泽和色彩;
(3)另外,水性油墨相对于溶剂型油墨不会产生有害气体,安全性能更高;与UV油墨相比,不仅价格上低于UV油墨,而且水性油墨成膜后的韧性与PE淋膜适应,不会出现脆裂现象,解决了UV油墨成膜后易脆裂的不足。
具体实施方式
实施例1
一种水果包装箱用瓦楞纸印刷工艺,包括以下步骤:
(1)瓦楞纸预处理:根据水果包装箱的规格进行分纸压线,再根据压线对瓦楞纸板进行剪切,然后再对裁剪后的瓦楞纸进行表面清洁;
(2)柔性制版:根据设计的印刷图案,在版基上涂布感光树脂,再在紫外线下曝光,然后经过冲洗、烘干、热固化处理得到所需柔性制版,备用;
(3)瓦楞纸表面处理:将步骤(1)中清洁后的瓦楞纸放入电晕机中,利用高频高压电源对瓦楞纸内外两表面进行电晕处理,电晕值为28W/m;
(4)瓦楞纸PE淋膜:将步骤(3)中经过电晕处理的瓦楞纸送入双面淋膜机上进行PE淋膜处理,PE淋膜温度为76℃,PE淋膜厚度为0.03mm;
(5)外层PE淋膜表面处理:将步骤(4)中经过PE淋膜后的瓦楞纸放入低温等离子机中,对外表面的PE淋膜进行低温等离子处理,处理气体为氮气,处理时间为12s,处理后PE淋膜表面张力控制在45~60mN/m;
(6)柔性版印刷:将步骤(2)制备的柔性制版安装到印刷机中,再上水性油墨至柔性制版上,放入步骤(5)中得到的瓦楞纸进行印刷,控制印刷前后瓦楞纸厚度变化范围在0.4mm~1.0mm,然后将印刷后的瓦楞纸在45℃下烘干;
(7)上光、压光处理:对步骤(6)印刷干燥后的瓦楞纸进行印刷区域局部上光,其中上光油的涂布量为15g/m2,然后在60℃的温度下进行压光,压光后常温下冷却即得。
本实施例中的瓦楞纸为双坑瓦楞纸,水性油墨由如下重量份数的原料组成:丙烯酸乙酯22份、水性色浆64份、聚乙烯蜡乳液5份、消泡剂1份。另外,本实施例中的PE淋膜由60%的高密度聚乙烯和40%的低密度聚乙烯组成。
实施例2:
(1)瓦楞纸预处理:根据水果包装箱的规格进行分纸压线,再根据压线对瓦楞纸板进行剪切,然后再对裁剪后的瓦楞纸进行表面清洁;
(2)柔性制版:根据设计的印刷图案,在版基上涂布感光树脂,再在紫外线下曝光,然后经过冲洗、烘干、热固化处理得到所需柔性制版,备用;
(3)瓦楞纸表面处理:将步骤(1)中清洁后的瓦楞纸放入电晕机中,利用高频高压电源对瓦楞纸内外两表面进行电晕处理,电晕值为32W/m;
(4)瓦楞纸PE淋膜:将步骤(3)中经过电晕处理的瓦楞纸送入双面淋膜机上进行PE淋膜处理,PE淋膜温度为76℃,PE淋膜厚度为0.03mm;
(5)外层PE淋膜表面处理:将步骤(4)中经过PE淋膜后的瓦楞纸放入低温等离子机中,对外表面的PE淋膜进行低温等离子处理,处理气体为氮气,处理时间为12s,处理后PE淋膜表面张力控制在45~60mN/m;
(6)柔性版印刷:将步骤(2)制备的柔性制版安装到印刷机中,再上水性油墨至柔性制版上,放入步骤(5)中得到的瓦楞纸进行印刷,控制印刷前后瓦楞纸厚度变化范围在0.4mm~1.0mm,然后将印刷后的瓦楞纸在45℃下烘干;
(7)上光、压光处理:对步骤(6)印刷干燥后的瓦楞纸进行印刷区域局部上光,其中上光油的涂布量为15g/m2,然后在65℃的温度下进行压光,压光后常温下冷却即得。
本实施例中的瓦楞纸为三坑瓦楞纸,水性油墨由如下重量份数的原料组成:丙烯酸乙酯24份、水性色浆60份、聚乙烯蜡乳液6份、消泡剂1份。另外,本实施例中的PE淋膜由60%的高密度聚乙烯和40%的低密度聚乙烯组成。
实施例3:
一种水果包装箱用瓦楞纸印刷工艺,包括以下步骤:
(1)瓦楞纸预处理:根据水果包装箱的规格进行分纸压线,再根据压线对瓦楞纸板进行剪切,然后再对裁剪后的瓦楞纸进行表面清洁;
(2)柔性制版:根据设计的印刷图案,在版基上涂布感光树脂,再在紫外线下曝光,然后经过冲洗、烘干、热固化处理得到所需柔性制版,备用;
(3)瓦楞纸表面处理:将步骤(1)中清洁后的瓦楞纸放入电晕机中,利用高频高压电源对瓦楞纸内外两表面进行电晕处理,电晕值为26W/m;
(4)瓦楞纸PE淋膜:将步骤(3)中经过电晕处理的瓦楞纸送入双面淋膜机上进行PE淋膜处理,PE淋膜温度为72℃,PE淋膜厚度为0.04mm;
(5)外层PE淋膜表面处理:将步骤(4)中经过PE淋膜后的瓦楞纸放入低温等离子机中,对外表面的PE淋膜进行低温等离子处理,处理气体为氮气,处理时间为12s,处理后PE淋膜表面张力控制在45~60mN/m;
(6)柔性版印刷:将步骤(2)制备的柔性制版安装到印刷机中,再上水性油墨至柔性制版上,放入步骤(5)中得到的瓦楞纸进行印刷,控制印刷前后瓦楞纸厚度变化范围在0.4mm~1.0mm,然后将印刷后的瓦楞纸在45℃下烘干;
(7)上光、压光处理:对步骤(6)印刷干燥后的瓦楞纸进行印刷区域局部上光,其中上光油的涂布量为12g/m2,然后在60℃的温度下进行压光,压光后常温下冷却即得。
本实施例中的瓦楞纸为双坑瓦楞纸,水性油墨由如下重量份数的原料组成:丙烯酸乙酯22份、水性色浆64份、聚乙烯蜡乳液5份、消泡剂1份。另外,本实施例中的PE淋膜由60%的高密度聚乙烯和40%的低密度聚乙烯组成。
实施例4:
一种水果包装箱用瓦楞纸印刷工艺,包括以下步骤:
(1)瓦楞纸预处理:根据水果包装箱的规格进行分纸压线,再根据压线对瓦楞纸板进行剪切,然后再对裁剪后的瓦楞纸进行表面清洁;
(2)柔性制版:根据设计的印刷图案,在版基上涂布感光树脂,再在紫外线下曝光,然后经过冲洗、烘干、热固化处理得到所需柔性制版,备用;
(3)瓦楞纸表面处理:将步骤(1)中清洁后的瓦楞纸放入电晕机中,利用高频高压电源对瓦楞纸内外两表面进行电晕处理,电晕值为28W/m;
(4)瓦楞纸PE淋膜:将步骤(3)中经过电晕处理的瓦楞纸送入双面淋膜机上进行PE淋膜处理,PE淋膜温度为76℃,PE淋膜厚度为0.03mm;
(5)外层PE淋膜表面处理:将步骤(4)中经过PE淋膜后的瓦楞纸放入低温等离子机中,对外表面的PE淋膜进行低温等离子处理,处理气体为氮气,处理时间为10s,处理后PE淋膜表面张力控制在45~60mN/m;
(6)柔性版印刷:将步骤(2)制备的柔性制版安装到印刷机中,再上水性油墨至柔性制版上,放入步骤(5)中得到的瓦楞纸进行印刷,控制印刷前后瓦楞纸厚度变化范围在0.4mm~1.0mm,然后将印刷后的瓦楞纸在45℃下烘干;
(7)上光、压光处理:对步骤(6)印刷干燥后的瓦楞纸进行印刷区域局部上光,其中上光油的涂布量为16g/m2,然后在65℃的温度下进行压光,压光后常温下冷却即得。
本实施例中的瓦楞纸为双坑瓦楞纸,水性油墨由如下重量份数的原料组成:丙烯酸乙酯22份、水性色浆64份、聚乙烯蜡乳液5份、消泡剂1份。另外,本实施例中的PE淋膜由60%的高密度聚乙烯和40%的低密度聚乙烯组成。
对照组:市场上购得的安徽省龙轩包装有限公司印刷制备的用于水果包装的双坑瓦楞纸。
为了对比本发明效果,对上述实施例1、实施例2、实施例3、实施例4以及对照组的瓦楞纸各项性能,对其进行如下实验:
测试实验1:将实施例1至对照组的瓦楞子制成50cm×50cm×50cm的密封箱体,先对八个箱体逐一称重并记录,然后将其放入空气相对湿度为75%,温度为45℃的环境下搁置3h后,再对八个箱体逐一称重,并记录数据如下表1。
测试试验2:按照GB/T 7707-2008《凹版装潢印刷品》的测试方法,测定实施例1至对照组中瓦楞纸印刷层的墨层结合牢度,并记录数据如下表2。
表1
表2
其中A={A1/(A1+A2)}×100%,A为膜层结合牢度,A1为油墨层格数,A2为被揭去的油墨层格数。
从表1可以看出,经过PE淋膜的瓦楞纸在防潮性能方面有显著的提升;从表2可以看出,经过电晕和低温等离子处理再进行印刷的瓦楞纸,使得水性油墨与PE淋膜以及PE淋膜与瓦楞纸之间的连接性更强。
以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等,均应包含在本发明的保护范围之内。
Claims (6)
1.一种水果包装箱用瓦楞纸印刷工艺,其特征在于,包括以下步骤:
(1)瓦楞纸预处理:根据水果包装箱的规格进行分纸压线,再根据压线对瓦楞纸板进行剪切,然后再对裁剪后的瓦楞纸进行表面清洁;
(2)柔性制版:根据设计的印刷图案,在版基上涂布感光树脂,再在紫外线下曝光,然后经过冲洗、烘干、热固化处理得到所需柔性制版,备用;
(3)瓦楞纸表面处理:将步骤(1)中清洁后的瓦楞纸放入电晕机中,利用高频高压电源对瓦楞纸内外两表面进行电晕处理,电晕值为26~32W/m;
(4)瓦楞纸PE淋膜:将步骤(3)中经过电晕处理的瓦楞纸送入双面淋膜机上进行PE淋膜处理,PE淋膜温度为72~80℃,PE淋膜厚度为0.02~0.05mm;
(5)外层PE淋膜表面处理:将步骤(4)中经过PE淋膜后的瓦楞纸放入低温等离子机中,对外表面的PE淋膜进行低温等离子处理,处理气体为氮气,处理时间为10~12s,处理后PE淋膜表面张力为45~60mN/m;
(6)柔性版印刷:将步骤(2)制备的柔性制版安装到印刷机中,再上水性油墨至柔性制版上,放入步骤(5)中得到的瓦楞纸进行印刷,然后将印刷后的瓦楞纸在45℃下烘干;
(7)上光、压光处理:对步骤(6)印刷干燥后的瓦楞纸进行印刷区域局部上光,然后在60~65℃的温度下进行压光,压光后常温下冷却即得。
2.根据权利要求1所述的水果包装箱用瓦楞纸印刷工艺,其特征在于:所述瓦楞纸为双坑瓦楞纸或三坑瓦楞纸其中的一种。
3.根据权利要求1所述的水果包装箱用瓦楞纸印刷工艺,其特征在于:所述步骤(5)和步骤(6)中的PE淋膜由60%的高密度聚乙烯和40%的低密度聚乙烯组成。
4.根据权利要求1所述的水果包装箱用瓦楞纸印刷工艺,其特征在于:所述步骤(6)中的水性油墨由丙烯酸乙酯、水性色浆、聚乙烯蜡乳液、消泡剂按(20~25):(60~65):(3~8):1的比例组成。
5.根据权利要求1所述的水果包装箱用瓦楞纸印刷工艺,其特征在于:所述步骤(6)中瓦楞纸印刷前和印刷后厚度变化范围为0.4mm~1.0mm。
6.根据权利要求1所述的水果包装箱用瓦楞纸印刷工艺,其特征在于:所述步骤(7)中上光过程中上光油的涂布量为12~16g/m2。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911052868.5A CN110792000A (zh) | 2019-10-31 | 2019-10-31 | 一种水果包装箱用瓦楞纸印刷工艺 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911052868.5A CN110792000A (zh) | 2019-10-31 | 2019-10-31 | 一种水果包装箱用瓦楞纸印刷工艺 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN110792000A true CN110792000A (zh) | 2020-02-14 |
Family
ID=69440795
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201911052868.5A Withdrawn CN110792000A (zh) | 2019-10-31 | 2019-10-31 | 一种水果包装箱用瓦楞纸印刷工艺 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110792000A (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111805976A (zh) * | 2020-07-05 | 2020-10-23 | 武汉积墨包装印刷有限公司 | 一种包装箱的环保印刷工艺 |
CN112046161A (zh) * | 2020-08-31 | 2020-12-08 | 安徽天翔高新特种包装材料集团有限公司 | 一种凹版印刷与uv同步套印工艺 |
CN113119528A (zh) * | 2021-04-19 | 2021-07-16 | 福建农林大学 | 一种制造防水吸管的方法 |
CN113733775A (zh) * | 2021-08-24 | 2021-12-03 | 河南华洋纸塑包装有限公司 | 一种可增加彩箱边缘胶印附着力的方法及其烘干装置 |
-
2019
- 2019-10-31 CN CN201911052868.5A patent/CN110792000A/zh not_active Withdrawn
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111805976A (zh) * | 2020-07-05 | 2020-10-23 | 武汉积墨包装印刷有限公司 | 一种包装箱的环保印刷工艺 |
CN112046161A (zh) * | 2020-08-31 | 2020-12-08 | 安徽天翔高新特种包装材料集团有限公司 | 一种凹版印刷与uv同步套印工艺 |
CN113119528A (zh) * | 2021-04-19 | 2021-07-16 | 福建农林大学 | 一种制造防水吸管的方法 |
CN113733775A (zh) * | 2021-08-24 | 2021-12-03 | 河南华洋纸塑包装有限公司 | 一种可增加彩箱边缘胶印附着力的方法及其烘干装置 |
CN113733775B (zh) * | 2021-08-24 | 2022-11-18 | 河南华洋纸塑包装有限公司 | 一种可增加彩箱边缘胶印附着力的方法及其烘干装置 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110792000A (zh) | 一种水果包装箱用瓦楞纸印刷工艺 | |
CN101671510B (zh) | 一种高光泽直镀法结合层涂料及其制备方法与应用 | |
CN102966001B (zh) | 无铝卷烟内衬纸及其生产方法 | |
JP2006198980A (ja) | 化粧材 | |
CN101781863B (zh) | 一种玻璃卡纸的生产方法 | |
EP2133210A3 (en) | Method of printing and decorating packaging materials with electron beam curable inks | |
CN111391415A (zh) | 一种防水瓦楞纸板及其制备方法 | |
PL236233B1 (pl) | Sposób wytwarzania wielowarstwowej matowej powierzchni lakierowanej oraz produkt zawierający wielowarstwową powierzchnię lakierowaną | |
CN105151882A (zh) | 一种宽幅彩色瓦楞纸箱柔版预印印后高温覆膜方法 | |
CN113250007A (zh) | 一种低剥离力的耐高温离型纸及其加工工艺 | |
CN111016472A (zh) | 一种微细瓦楞纸板的胶印工艺 | |
CN107905033A (zh) | 一种转铝镭射防伪纸及其制备方法 | |
CN102874001A (zh) | 一种冷冲压成型复合硬片的表印工艺 | |
CN102029770A (zh) | 一种聚丙烯膜复合瓦楞纸箱的彩印方法 | |
CN110126501B (zh) | 一种耐久性不干胶标签的制备方法 | |
CN216427846U (zh) | 一种可生物降解复合纸和包装纸 | |
CN102816490A (zh) | 一种全息转移单涂层材料及其制备方法 | |
CN113417169A (zh) | 一种可生物降解复合纸及其制备方法和包装纸 | |
KR20120078375A (ko) | 시트에 엠보싱을 형성하는 방법 | |
CN101108677B (zh) | 一种食品药品包装用铝箔及其制备方法 | |
CN114837018A (zh) | 一种环保包装材料及其制备方法 | |
CN114407370A (zh) | 一种耐久性不干胶标签的制备方法 | |
CN109986868B (zh) | 一种聚碳酸酯薄膜的rfid标签天线剥离力提升工艺 | |
CN108018746B (zh) | 一种水性涂布油漆纸及其生产工艺 | |
KR102679618B1 (ko) | 종이원단 제품용 종합제조장치 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200214 |
|
WW01 | Invention patent application withdrawn after publication |