WO2018196645A1 - 用于氧化干燥型油墨的硬纸筒包装容器 - Google Patents

用于氧化干燥型油墨的硬纸筒包装容器 Download PDF

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Publication number
WO2018196645A1
WO2018196645A1 PCT/CN2018/083270 CN2018083270W WO2018196645A1 WO 2018196645 A1 WO2018196645 A1 WO 2018196645A1 CN 2018083270 W CN2018083270 W CN 2018083270W WO 2018196645 A1 WO2018196645 A1 WO 2018196645A1
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nano
paper tube
tube body
packaging container
sealing
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PCT/CN2018/083270
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English (en)
French (fr)
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桑春龙
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南京光谷数据处理有限公司
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Publication of WO2018196645A1 publication Critical patent/WO2018196645A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/14—Linings or internal coatings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/02—Internal fittings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D51/00—Closures not otherwise provided for
    • B65D51/18—Arrangements of closures with protective outer cap-like covers or of two or more co-operating closures
    • 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
    • D21H19/10—Coatings without pigments
    • D21H19/12—Coatings without pigments applied as a solution using water as the only solvent, e.g. in the presence of acid or alkaline compounds
    • 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
    • D21H19/40—Coatings with pigments characterised by the pigments siliceous, e.g. clays
    • 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
    • D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
    • D21H19/56—Macromolecular organic compounds or oligomers thereof obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H19/60—Polyalkenylalcohols; Polyalkenylethers; Polyalkenylesters

Definitions

  • the invention relates to the technical field of ink packaging, and in particular to a cardboard packaging container for oxidative drying type ink.
  • the ink is a fluid substance which is uniformly dispersed in a binder by pigment particles, fillers, additives, and the like, and has a certain viscosity.
  • the inks can be classified into volatile drying inks, osmosis drying inks, oxidative drying inks, two-liquid reactive inks, and ultraviolet curing inks, depending on the main drying method.
  • the object of the present invention is to provide a cardboard packaging container for oxidative drying type ink, which can solve the problem that the prior art ink transfer requires manual operation, and the ink residue is unable to be recycled environmentally, by using paper hard paper.
  • the tube packaging container is equipped with an inner sealing piston pressure plate to realize the transfer of the ink, the ink residue is reduced as much as possible through the guiding structure, and the packaging material after the ink is extruded and used is recovered by the water-soluble nano anti-oxidation coating, and the water is dissolved.
  • the ink remaining in the packaging container is completely separated from the packaging container, thereby realizing material recovery of the paper packaging container, thereby achieving environmentally friendly recycling treatment.
  • the present invention provides a cardboard packaging container for an oxidative drying type ink comprising:
  • a paper tube body having a front seal and a discharge opening at one end;
  • the front seal is composed of two symmetrical guide structures on both sides of the discharge port, and the guide wall of the guide structure is
  • the pipe wall of the discharge port is connected with the inner wall of the paper tube body at an obtuse angle;
  • the discharge port has a first sealing film for isolating the air inside and outside the paper tube body;
  • the inner sealing piston pressure plate is disposed in the paper tube body; the inner sealing piston pressure plate comprises a sealing disk and a convex portion;
  • the outer diameter of the sealing disk is matched with the inner diameter of the paper tube body, and the side wall of the sealing disk is sealingly connected with the inner wall of the paper tube body, so that the inside of the paper tube body forms a closed structure;
  • the sealing disk slides along the inner wall of the paper tube body under an external force;
  • the convex portion is integrally connected with the sealing disk, the top end of the convex portion is a cone, and the bottom end is a cylinder, and the maximum diameter of the convex portion matches the inner diameter of the discharge port;
  • a water-soluble nano anti-oxidation coating applied to an inner wall and a guiding wall of the paper tube body, and at least one side of the first sealing film and the inner sealing piston platen; the water-soluble nano anti-oxidation
  • the coating comprises at least polyvinyl alcohol PVA and/or nanomaterials.
  • the front sealing and the first sealing film are integrally formed by pulp die casting.
  • the front seal is fixed to the main body of the paper tube by a water-soluble PVA.
  • the other end of the paper tube body has a second sealing film.
  • the water-soluble nano anti-oxidation coating further comprises a plasticizer and/or an active agent.
  • the nano material comprises: an organic nano material and/or an inorganic nano material;
  • the inorganic nano material comprises: one or more of a nano metal oxide, a nano nonmetal oxide, a nano metal hydroxide, a nano metal sulfide, a nano nitride, and a nano nonmetal material;
  • the nanomaterial is specifically nanocellulose; the nanocellulose has a length of 1 nm to 100 nm.
  • the nano metal oxide comprises: one or more of nano TiO 2 , nano Al 2 O 3 , and nano ZrO 2 ; the nano nonmetal oxide specifically includes: nano SiO 2 ;
  • the nano metal oxide includes: one of nano Co(OH) 2 and La(OH) 3 ;
  • the nano metal sulfide includes: one of nano silver sulfide and nano sulfide;
  • the nano nonmetal material includes One or more of nano B, nano C, nano Se, and nano Si.
  • the nano silica is specifically: hydrophobic modified or oleophobic modified nano silica; the nano cellulose is specifically: hydrophobic modified or oleophobic modified nano cellulose.
  • the cardboard drum packaging container further comprises:
  • the waterproof layer which is a sealed structure, is wrapped around one or more of the cardboard packaging containers.
  • the waterproof layer is made of a waterproof membrane material comprising: polyethylene PE, biaxially oriented polypropylene film BOPP, polyethylene terephthalate PET, and cast polypropylene film CPP. Any of them.
  • the hard paper tube packaging container for the oxidative drying type ink provided by the embodiment of the invention adopts a paper hard paper tube packaging container, and is equipped with an inner sealing piston pressure plate to realize ink transfer, and the ink residue is minimized by the guiding structure. And the water-repellent nano-anti-oxidation coating is used to realize the recovery of the package after the ink is extruded, and the ink remaining in the packaging container is completely separated from the packaging container by water dissolution, thereby realizing material recovery of the paper packaging container. Therefore, environmental recycling is achieved.
  • FIG. 1 is a schematic cross-sectional structural view of a cardboard packaging container for an oxidative drying type ink according to an embodiment of the present invention.
  • Embodiments of the present invention provide a cardboard packaging container for oxidative drying type ink for accommodating an oxidative drying type ink.
  • the paper tube body 1 has a barrel structure, and has a front seal 11 and a discharge port 12 at one end.
  • the front sealing 11 is formed on both sides of the discharge opening 12, specifically by two symmetrical guiding structures 111.
  • the guiding wall 112 of the guiding structure 111 is connected at an obtuse angle between the wall of the discharging opening 12 and the inner wall of the paper tube body 1. .
  • the end of the cylinder body 1 is formed into a funnel shape by the guiding structure 111 and the discharge opening 12, the purpose of which is to facilitate the ink to be discharged out of the packaging container as completely as possible with the guiding structure.
  • the paper tube body 1 can be specifically formed by a multi-layer paper roll, and the front seal 11 and the paper tube body 1 are bonded and fixed by water-soluble polyvinyl alcohol (PVA).
  • PVA polyvinyl alcohol
  • the paper tube body 1 needs to maintain a sealing structure, so that the discharge port 12 has a first sealing film 121 for isolating the air on the inner and outer sides of the paper tube body 1.
  • the first sealing film 121 is integrally molded by pulp die-casting together with the front seal 11, so that the sealing performance can be effectively secured.
  • a cross indentation may be applied at the center of the first sealing film 121 for convenient use.
  • the inner seal piston platen 2 is disposed in the paper tube body 1, and the inner seal piston platen 2 includes a seal disk 21 and a convex portion 22.
  • the outer diameter of the sealing disk 21 is matched with the inner diameter of the paper tube body 1, and the side wall of the sealing disk 21 is sealingly connected with the inner wall of the paper tube body 1, so that the inside of the paper tube body 1 forms a closed structure; the sealing disk 21 acts externally.
  • the lower portion can slide along the inner wall of the paper tube body 1.
  • the external force referred to herein may include, but is not limited to, a vacuum suction generated by a pump connected to the discharge port 12, or a thrust force introduced from the bottom of the sealing disk 21.
  • the convex portion 22 is integrally connected to the sealing disk 21.
  • the top end of the convex portion 22 is a cone, and the bottom end is a cylindrical body, and the bottom surface of the cone is matched with the surface size of the cylindrical body so as to be integrally connected.
  • the maximum diameter of the projection 22 matches the inner diameter of the discharge opening 12 so that when used to squeeze the ink, the projection 22 can be swung into the discharge opening 12 to achieve full extrusion of the ink. Minimize the residue of ink remaining in the discharge port.
  • the paper tube body 1 also has a second sealing film 13 disposed at the bottom end of the paper tube body 1 such that the inner sealing piston platen 2 is sealed inside the paper tube body 1.
  • the water-soluble nano anti-oxidation coating 3 is applied to at least the inner wall of the paper tube body 1 and the guide wall 112, and at least one side of the first sealing film 12 and the inner sealing piston platen 2.
  • the composition of the water-soluble nano anti-oxidation coating 3 includes at least one of PVA and nano materials.
  • the mass ratio of the nano material to the PVA is between 0.01% and 100%. In a more preferred embodiment, the mass ratio of the nanomaterial to the PVA is from 1% to 80%.
  • the mass ratio of the nano material to the PVA can be set according to the nature and storage time of the oxidative drying ink that is accommodated in practical applications.
  • PVA has a certain ability to block oxygen molecules, and also acts as a film former for filming nano-materials dispersed in PVA together to form a water-soluble anti-oxidation coating applied to the inner surface of the entire cardboard tube.
  • PVA can also be used alone as the water-soluble nano-oxidation coating 3.
  • Nanomaterials may include organic nanomaterials, inorganic nanomaterials, and hybrid materials of organic nanomaterials and inorganic nanomaterials.
  • the organic nanomaterial may be specifically nanocellulose (also called cellulose crystal) or modified nanocellulose, and its size ranges from 1 nm to 100 nm.
  • the modified nanocellulose may be specifically a hydrophobically modified nanocellulose or an oleophobic modified nanocellulose.
  • the inorganic nano material may specifically include: one or more of a nano metal oxide, a nano nonmetal oxide, a nano metal hydroxide, a nano metal sulfide, a nano nitride, and a nano nonmetal material; wherein the nano metal oxide
  • the material specifically includes nano TiO 2 , nano Al 2 O 3 , nano ZrO 2 , etc.
  • the nano nonmetal oxide may specifically include nano SiO 2 and the like
  • the nano metal oxide includes nano Co(OH) 2 , La(OH) 3 , etc.
  • the nano metal sulfide includes nano silver sulfide and nano sulfide, and the like
  • the nano nonmetal material includes one or more of nano B, nano C, nano Se, nano Si, and the like.
  • the inorganic nanomaterial may also be a modified inorganic nanomaterial, such as hydrophobically modified or oleophobic modified nanosilica, such as hydrophobically modified or oleophobic modified nanomontmorillonite.
  • the above organic nanomaterials, inorganic nanomaterials or a mixture of the two can be used for blocking oxygen molecules, and the barrier property is superior to PVA.
  • the water-soluble nano anti-oxidation coating 3 may further include one or all of a plasticizer or an active agent.
  • a plasticizer By adding a plasticizer, it is advantageous to improve the flexibility of the packaging container and prevent the problem that oxygen is entered due to brittleness of the PVA and the nano material in the case of drying.
  • PVA mixed nano-silica is used as the water-soluble nano anti-oxidation coating 3
  • the mass ratio of nano-silica to PVA is 25%
  • the thickness of the water-soluble nano anti-oxidation coating 3 is 30 ⁇ m.
  • the oxygen permeability was actually measured to be 1.5 cm 3 /(m 2 ⁇ d ⁇ Pa).
  • PVA mixed nano-silica is used as the water-soluble nano anti-oxidation coating 3
  • the mass ratio of nano-silica to PVA is 50%
  • the thickness of the water-soluble nano anti-oxidation coating 3 is 50 ⁇ m.
  • the actually measured oxygen permeability was 0.8 cm 3 /(m 2 ⁇ d ⁇ Pa).
  • PVA mixed nanocellulose is used as the water-soluble nano anti-oxidation coating 3
  • the mass ratio of nanocellulose to PVA is 40%
  • the thickness of the water-soluble nano anti-oxidation coating 3 is 50 ⁇ m.
  • PVA mixed sorbitol is used as the water-soluble nano anti-oxidation coating 3, wherein the amount of sorbitol added is preferably 20 phr, and the PVA has the best plasticizing effect at this addition amount.
  • the structural design of the cardboard packaging container for the oxidative drying type ink of the present invention only needs to sleeve the discharge port 12 on the pump port of the ink pump for extracting ink, and pierce the first seal by the pump port.
  • the membrane 12, that is, the oxidative drying type ink contained therein can be extracted by an ink pump.
  • the pressure on the side of the inner seal piston platen 2 to the front seal 11 is reduced, and in the direction shown in Fig. 1, the closed space on the right side of the inner seal piston platen 2 is opposite to the inner seal piston platen 2
  • the side forms a negative pressure, so that the inner seal piston platen 2 moves to the right side under the action of the negative pressure, that is, toward the discharge port 12, to reduce the volume of the closed space on the right side to balance the inner seal piston platen 2 Side pressure.
  • the water-soluble nano anti-oxidation coating 3 uniformly coated on the inner wall of the paper tube body 1 and the guide wall 112, the first sealing film 12 and the inner sealing piston platen 2 can effectively block the outside of the paper tube body 1
  • the front seal 11 and the first sealing film 121 and the paper tube body 1 are bonded together to be in a sealed state.
  • the inner seal piston platen 2 is separated from the cylinder body 1.
  • the inner seal piston platen 2 at the rear end can be pushed into the paper tube body 1 by the assembly machine in a vacuum environment, and the inner side is in contact with the upper surface of the ink.
  • the second sealing film 13 can be attached in a vacuum-filled inert gas atmosphere.
  • the sealed paper container is filled with an inert gas while being sealed, so that the hard paper tube packaging container is maintained in an inert gas atmosphere to ensure high oxygen barrier property.
  • the waterproof layer 4 may be added to the outer layer of the paper tube body 1 as shown in FIG. 1 to avoid moisture in the air to the cardboard container. The performance has an impact.
  • the waterproof layer 4 is wrapped around the outer surface of the paper tube body 1 and has a sealing structure for blocking water molecules from entering the waterproof layer 4 through the waterproof layer 4 .
  • the sealing of the waterproof layer 4 can preferably be achieved by using a heat seal under an inert gas atmosphere.
  • the PVA in the water-soluble nano anti-oxidation coating 3 is easily combined with water molecules in the air under conditions of high air humidity or long storage time, swelling phenomenon occurs. Therefore, if the water molecules are sucked into the body 1 of the paper, they will be in contact with the water-soluble nano-anti-oxidation coating 3, causing the volume expansion of the PVA to decrease the density of the nano-material, thereby causing the barrier of the water-soluble nano-anti-oxidation coating 3 to the oxygen molecules. The performance is degraded, which easily causes the ink to oxidize and dry. Therefore, the storage performance of the oxidative drying type ink can be further improved by adding the waterproof layer 4.
  • the waterproof layer 4 may be specifically made of a waterproof membrane material, and may specifically be: polyethylene (PE), biaxially oriented polypropylene film (BOPP), polyethylene terephthalate (PET) or cast polypropylene film ( CPP) and so on.
  • PE polyethylene
  • BOPP biaxially oriented polypropylene film
  • PET polyethylene terephthalate
  • CPP cast polypropylene film
  • the outer surface of the paper tube body 1 may not be in contact with the inner surface of the waterproof layer 4, and the paper tube body 1 containing the oxidative drying type ink may be taken out by simply removing the waterproof layer 4 in use.
  • the removed waterproof layer 4 can be environmentally recovered separately.
  • Fig. 1 only the case where an ink package is installed in the waterproof layer 4 is illustrated.
  • a plurality of cardboard containers can be placed in a waterproof layer 4 for storage according to a conventional usage. , that is convenient for users to use, and economic and environmental protection.
  • the structure of the cardboard packaging container for oxidative drying type ink provided by the embodiment of the present invention is described above, and the method of use thereof will be briefly described below to better explain the structure of the cardboard packaging container. And its structure works.
  • the waterproof layer is first removed.
  • the ink can be drawn out by the ink pump by pushing the inner seal piston platen or by using the ink pump to fit the discharge port to the ink pump port for extracting the ink.
  • the cardboard container can be pulverized in water at 20 ° C - 70 ° C, and the anti-oxidation coating is completely dissolved in water to completely separate the residual ink from the packaging layer, thereby being able to package the cardboard.
  • the container is recycled environmentally and the residual ink that has been separated is detoxified.
  • the hard paper tube packaging container for the oxidative drying type ink provided by the embodiment of the invention adopts a paper hard paper tube packaging container, and is equipped with an inner sealing piston pressure plate to realize ink transfer, and the ink residue is minimized by the guiding structure. And the water-repellent nano-anti-oxidation coating is used to realize the recovery of the package after the ink is extruded, and the ink remaining in the packaging container is completely separated from the packaging container by water dissolution, thereby realizing material recovery of the paper packaging container. Therefore, environmental recycling is achieved.

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Abstract

一种用于氧化干燥型油墨的硬纸筒包装容器，包括：纸筒本体（1），其具有前封口（11）和出料口（12）；前封口（11）包括两个对称的导向结构；出料口（12）中具有第一密封膜（121）用以隔绝纸筒本体内外两侧的空气；还包括内密封活塞压盘（2），其设置于纸筒本体（1）内，外径与纸筒本体（1）的内径相匹配；内密封活塞压盘（2）包括密封盘（21）和凸部（22），密封盘（21）的侧壁与纸筒本体（1）的内壁密封相接；密封盘（21）在外力作用下沿纸筒本体（1）的内壁滑动；凸部（22）与密封盘（21）一体连接，顶端呈锥体，底端呈圆柱体，凸部的最大直径与出料口（12）的内径相匹配；水溶性纳米防氧化涂层涂布于纸筒本体（1）的内壁和导向壁上，以及第一密封膜（121）和内密封活塞压盘（2）的至少一侧；水溶性纳米防氧化涂层至少包括聚乙烯醇PVA和/或纳米材料。

Description

用于氧化干燥型油墨的硬纸筒包装容器
本申请要求于2017年4月27日提交中国专利局、申请号为201710286662.3、发明名称为“用于氧化干燥型油墨的硬纸筒包装容器”的中国专利申请的优先权。
技术领域
本发明涉及油墨包装技术领域，尤其涉及一种用于氧化干燥型油墨的硬纸筒包装容器。
背景技术
油墨是一种由颜料微粒、填料、附加料等均匀地分散在连接料中,具有一定粘性的流体物质。
油墨按主要干燥方式的不同，可分为挥发干燥型油墨、渗透干燥型油墨、氧化干燥型油墨、双液反应型油墨和紫外线固化型油墨等。
因为考虑到油墨储藏需要的防氧化、防挥发、防紫外线等需求，传统的印刷油墨大多使用金属桶或塑料桶硬质密封包装，导致在印刷操作时，需要人工将油墨从金属桶或塑料桶转移至墨斗池内，并且由于油墨与金属桶或塑料桶直接接触，无法将金属桶或塑料桶内的油墨完全清理干净，残留的油墨在金属桶或塑料桶内固化，这些带有固化后的乳胶状油墨的废弃物是不可燃的，并且具有毒性。所以，这些废弃物不能通过一般性焚烧达到无害化处理。而使用溶剂分解，则会由于溶剂的挥发性，造成大气环境的污染。因此，基于目前的硬质油墨包装，还没有有效环保回收的途径。
发明内容
本发明的目的是提供一种用于氧化干燥型油墨的硬纸筒包装容器，能够解决现有技术中油墨转移需要人工操作，且油墨残留造成无法环保回收的问题，通过采用纸质的硬纸筒包装容器，配以内密封活塞压盘，实现油墨的转移，通过导向结构尽可能减少油墨残留，并通过水溶性纳米防氧化涂层实现油墨挤出使用后的包装物回收，通过水溶解的方式使残留在包装容器内的油墨与包装容器彻底分离，从而实现对纸质包装容器的材料回收，因而实现环保回收处理。
为实现上述目的，本发明提供了一种用于氧化干燥型油墨的硬纸筒包装容器，包括：
纸筒本体，所述纸筒本体的一端具有前封口和出料口；所述前封口由位于所述出料口两侧的两个对称的导向结构构成，所述导向结构的导向壁在所述出料口的管壁与所述纸筒本体的内壁之间呈钝角连接；所述出料口中具有第一密封膜，用以隔绝所述纸筒本体内外两侧的空气；
内密封活塞压盘，设置于所述纸筒本体内；所述内密封活塞压盘包括密封盘和凸部；
所述密封盘的外径与所述纸筒本体的内径相匹配，所述密封盘的侧壁与所述纸筒本体的内壁密封相接，使得所述纸筒本体内部形成密闭结构；所述密封盘在外力作用下沿所述纸筒本体的内壁滑动；
所述凸部与所述密封盘一体连接，所述凸部的顶端呈锥体，底端呈圆柱体，所述凸部的最大直径与所述出料口的内径相匹配；
水溶性纳米防氧化涂层，涂布于所述纸筒本体的内壁和导向壁上，以及所述第一密封膜和所述内密封活塞压盘的至少一侧；所述水溶性纳米防氧化涂层至少包括聚乙烯醇PVA和/或纳米材料。
优选的，所述前封口与所述第一密封膜为纸浆压铸一体成型。
进一步优选的，所述前封口与所述纸筒本体由水溶性PVA贴合固定为一 体。
优选的，所述纸筒本体的另一端具有第二密封膜。
优选的，所述水溶性纳米防氧化涂层还包括塑化剂和/或活性剂。
优选的，所述纳米材料包括：有机纳米材料和/或无机纳米材料；
其中，所述无机纳米材料包括：纳米金属氧化物、纳米非金属氧化物、纳米金属氢氧化物、纳米金属硫化物、纳米氮化物和纳米非金属材料中的一种或几种；所述有机纳米材料具体为纳米纤维素；所述纳米纤维素的长度为1nm-100nm。
进一步优选的，所述纳米金属氧化物具体包括：纳米TiO 2、纳米Al 2O 3、纳米ZrO 2中的一种或多种；所述纳米非金属氧化物具体包括：纳米SiO 2；所述纳米金属氧化物包括：纳米Co(OH) 2、La(OH) 3中的一种；所述纳米金属硫化物包括：纳米硫化银和纳米硫化硒中的一种；所述纳米非金属材料包括纳米B、纳米C、纳米Se、纳米Si中的一种或几种。
进一步优选的，所述纳米二氧化硅具体为：疏水改性或疏油改性的纳米二氧化硅；所述纳米纤维素具体为：疏水改性或疏油改性的纳米纤维素。
优选的，所述硬纸筒包装容器还包括：
防水层，为密封结构，包裹于一个或多个所述硬纸筒包装容器之外。
进一步优选的，所述防水层由防水膜材料制成，所述防水膜材料包括：聚乙烯PE、双向拉伸聚丙烯薄膜BOPP、聚对苯二甲酸乙二酯PET和流延聚丙烯薄膜CPP中的任一种。
本发明实施例提供的用于氧化干燥型油墨的硬纸筒包装容器，通过采用纸质的硬纸筒包装容器，配以内密封活塞压盘，实现油墨的转移，通过导向结构尽可能减少油墨残留，并通过水溶性纳米防氧化涂层实现油墨挤出使用后的包装物回收，通过水溶解的方式使残留在包装容器内的油墨与包装容器彻底分离，从而实现对纸质包装容器的材料回收，因而实现环保回收处理。
附图说明
图1为本发明实施例提供的一种用于氧化干燥型油墨的硬纸筒包装容器的剖面结构示意图。
具体实施方式
下面通过附图和实施例，对本发明的技术方案做进一步的详细描述。
本发明实施例提供了一种用于氧化干燥型油墨的硬纸筒包装容器，用于容置氧化干燥型油墨。
图1为本发明实施例提供的一种用于氧化干燥型油墨的硬纸筒包装容器的剖面结构示意图。如图1所示，本发明实施例提供的硬纸筒包装容器包括：纸筒本体1、内密封活塞压盘2和水溶性纳米防氧化涂层3。
纸筒本体1呈桶装结构，一端具有前封口11和出料口12。
前封口11由位于出料口12两侧，具体由两个对称的导向结构111构成，导向结构111的导向壁112在出料口12的管壁与纸筒本体1的内壁之间呈钝角连接。从而纸筒本体1的这端通过导向结构111和出料口12形成一个漏斗形状，其目的在于有利于油墨能够随导向结构尽量完全的排出包装容器。
纸筒本体1可以具体由多层纸张卷贴形成的，前封口11与纸筒本体1由水溶性聚乙烯醇(PVA)贴合固定为一体。
进一步的，在油墨储存状态下，纸筒本体1需要保持密封结构，因此出料口12中具有第一密封膜121，用以隔绝纸筒本体1内外两侧的空气。第一密封膜121为与前封口11一起由纸浆压铸一体成型的，因而密封性能可以得到有效保障。
为了使用时能够方便的刺破第一密封膜121，可以在第一密封膜121的中心打十字压痕，以方便使用。
内密封活塞压盘2，设置于纸筒本体1内，内密封活塞压盘2包括密封盘21和凸部22。
密封盘21的外径与纸筒本体1的内径相匹配，通过密封盘21的侧壁与纸筒本体1的内壁密封相接，使得纸筒本体1内部形成密闭结构；密封盘21在外力作用下可以沿纸筒本体1的内壁滑动。这里所说的外力，可以包括但不限于：接在出料口12的泵产生的真空吸力，或者由密封盘21底部传入的推力。
凸部22与密封盘21一体连接。凸部22的顶端呈锥体，底端呈圆柱体，锥体的底面与圆柱体的表面尺寸相吻合，从而能够一体连接。凸部22的最大直径与出料口12的内径相匹配，使得在用于挤压油墨时，凸部22能够探入出料口12，实现油墨的全部压出。尽量减少油墨残留在出料口的残留。
在一些具体的应用中纸筒本体1还具有第二密封膜13，设置于纸筒本体1的底端，使得内密封活塞压盘2被密封在纸筒本体1内部。
水溶性纳米防氧化涂层3，至少涂布于纸筒本体1的内壁和导向壁112上，以及第一密封膜12和内密封活塞压盘2的至少一侧。水溶性纳米防氧化涂层3的构成至少包括PVA和纳米材料中的一种。
优选的，纳米材料与PVA的混合质量比在0.01％-100％。在更加优选的方案中，纳米材料与PVA的混合质量比为1％-80％。纳米材料与PVA的混合质量比，在实际应用中可以根据容置的氧化干燥性油墨的性质和保存时间来进行设定。
PVA具有一定的阻隔氧气分子的性能，同时也作为成膜剂用于使分散在PVA中的纳米材料一起成膜，形成水溶性的防氧化涂层涂布于整个硬纸筒的内表面。对于阻氧性能要求不太高的氧化干燥型油墨，PVA也可以单独用作水溶性纳米防氧化涂层3使用。
纳米材料可以包括有机纳米材料、无机纳米材料以及有机纳米材料和无机纳米材料的混合材料。
有机纳米材料可以具体为纳米纤维素(也称纤维素晶体)或改性的纳米纤维素，其尺寸范围在1nm-100nm之间。改性纳米纤维素可以具体为疏水改 性的纳米纤维素或疏油改性的纳米纤维素。
无机纳米材料可以具体包括：纳米金属氧化物、纳米非金属氧化物、纳米金属氢氧化物、纳米金属硫化物、纳米氮化物和纳米非金属材料中的一种或几种；其中，纳米金属氧化物具体包括纳米TiO 2、纳米Al 2O 3、纳米ZrO 2等；纳米非金属氧化物具体可以包括纳米SiO 2等；纳米金属氧化物包括纳米Co(OH) 2、La(OH) 3等；纳米金属硫化物包括纳米硫化银和纳米硫化硒等；纳米非金属材料包括纳米B、纳米C、纳米Se、纳米Si等中的一种或几种。
同样的，无机纳米材料也可以是改性后的无机纳米材料，例如疏水改性或疏油改性的纳米二氧化硅，又如疏水改性或疏油改性的纳米蒙脱土等等。
上述有机纳米材料、无机纳米材料或者二者的混合材料均可用于阻隔氧气分子，且阻隔性能优于PVA。
在一些具体的实现方式中，水溶性纳米防氧化涂层3中还可以包括有塑化剂或者活性剂中的一种或全部。通过加入塑化剂，有利于提高包装容器的柔韧性，防止因PVA和纳米材料在干燥情况下脆化容易折断，造成氧气进入的问题。
在一个具体的例子中，采用PVA混合纳米二氧化硅作为水溶性纳米防氧化涂层3，纳米二氧化硅与PVA的质量比为25％，水溶性纳米防氧化涂层3的厚度为30μm，实际测得透氧率为1.5cm 3/(m 2·d·Pa)。
在另一个具体的例子中，采用PVA混合纳米二氧化硅作为水溶性纳米防氧化涂层3，纳米二氧化硅与PVA的质量比为50％，水溶性纳米防氧化涂层3的厚度为50μm，实际测得透氧率为0.8cm 3/(m 2·d·Pa)。
在另一个具体的例子中，采用PVA混合纳米纤维素作为水溶性纳米防氧化涂层3，纳米纤维素与PVA的质量比为40％，水溶性纳米防氧化涂层3的厚度为50μm，实际测得透氧率为0.6cm 3/(m 2·d·Pa)。
在还一个具体的例子中,采用PVA混合山梨糖醇为水溶性纳米防氧化涂层3，其中山梨醣醇添加量优选为20phr，在此添加量下，对PVA具有最佳的塑 化效果。
通过本发明用于氧化干燥型油墨的硬纸筒包装容器的结构设计，在使用时只需将出料口12套接在用于抽取油墨的油墨泵泵口上，由泵口刺破第一密封膜12，即可通过油墨泵抽取其中容置的氧化干燥型油墨。
随着油墨的抽出，内密封活塞压盘2至前封口11一侧的压力减小，按图1所示方向，内密封活塞压盘2右侧的密闭空间相对于内密封活塞压盘2左侧形成负压，使得内密封活塞压盘2在负压作用下向右侧，即朝向出料口12方向运动，以减小右侧的密闭空间的容积来平衡内密封活塞压盘2左右两侧的压力。
当内密封活塞压盘2移动至接近到前封口11时，纸筒本体1内的剩余油墨会随着内密封活塞压盘2的移动而沿着导向壁112流出至出料口12，这样避免了直角式的筒体结构在直角连接处的油墨残存问题。随着内密封活塞压盘2的进一步移动，凸部22探入出料口12，将最后残留在出料口12处的油墨全部挤出。
涂布均匀于纸筒本体1的内壁和导向壁112上、第一密封膜12和内密封活塞压盘2的至少一侧的水溶性纳米防氧化涂层3，可以有效阻挡纸筒本体1外部的氧气分子穿透水溶性纳米防氧化涂层3与容置于水溶性纸筒本体1之内氧化干燥型油墨相接触而造成油墨的氧化干燥。
本发明提供的硬纸筒包装容器，在灌装油墨时，前封口11及第一密封膜121与纸筒本体1已粘合为一体，成密封状态。相反一侧的后端,内密封活塞压盘2与纸筒本体1分离。
当定量油墨注入纸筒本体1后，后端的内密封活塞压盘2可在真空环境下，被装配机械推送入纸筒本体1内，内侧与油墨上表面接触。
在此情况下，如有更高密封要求，可在真空充惰性气体环境下，粘贴第二密封膜13。
采用在密封的同时对硬纸筒包装容器内灌装在惰性气体，使得硬纸筒包 装容器中维持在惰性气体环境下，以保证氧气的高阻隔性。
进一步的，基于氧化干燥型油墨存储的时间和存储条件的不同，还可以如图1所示在纸筒本体1外层加设防水层4，从而避免空气中的水气对硬纸筒包装容器的性能产生影响。
具体的，如图1所示，防水层4包裹于纸筒本体1的外表面，呈密封结构，用于阻隔水分子透过防水层4进入防水层4内部。其中，防水层4的密封可以优选为在惰性气体环境下采用加热密封来实现。
因为在空气湿度较大或者存储时间较长的条件下，水溶性纳米防氧化涂层3中的PVA容易与空气中的水分子相结合，产生溶胀现象。因此如果水分子吸入纸筒本体1后，会与水溶性纳米防氧化涂层3相接触，造成PVA体积膨胀导致纳米材料密度减小，从而引起水溶性纳米防氧化涂层3对氧气分子的阻隔性能下降，容易造成油墨氧化干燥。因此通过增加防水层4能够进一步提升对氧化干燥型油墨的存储性能。
防水层4可以具体由防水膜材料制成，可以具体为：聚乙烯(PE)、双向拉伸聚丙烯薄膜(BOPP)、聚对苯二甲酸乙二酯(PET)或者流延聚丙烯薄膜(CPP)等。
纸筒本体1的外表面与防水层4的内表面可以不相接，在使用中只需去除防水层4即可取出装有氧化干燥型油墨的纸筒本体1。被去除掉的防水层4能够单独进行环保回收。在图1中仅针对防水层4中装置有一个油墨包装袋的情况进行了示意，在实际应用中，可以按照常规使用量，将多个硬纸筒包装容器置于一个防水层4中进行存储，即方便用户使用，又经济环保。
以上对本发明实施例提供的用于氧化干燥型油墨的硬纸筒包装容器的结构进行了介绍，下面对其使用方法进行简述，以便更好的说明该硬纸筒包装容器所具有的结构及其结构所起作用。
当使用硬纸筒包装容器中的氧化干燥型油墨时，可以按照下述步骤进行操作：
在具有防水层的情况下，首先将防水层去除。
随后，可以通过将推压内密封活塞压盘，或者通过配合油墨泵使用，将出料口套接在用于抽取油墨的油墨泵泵口，通过油墨泵将油墨抽出。
将硬纸筒包装容器集中放置等待回收。
在回收处理时，可以将该硬纸筒包装容器置于20℃-70℃的水中搅碎处理，防氧化涂层完全溶解在水中使得残留油墨与包装层完全脱离，从而能够对硬纸筒包装容器进行环保回收，并对分离出的残存油墨进行无害化处理。
本发明实施例提供的用于氧化干燥型油墨的硬纸筒包装容器，通过采用纸质的硬纸筒包装容器，配以内密封活塞压盘，实现油墨的转移，通过导向结构尽可能减少油墨残留，并通过水溶性纳米防氧化涂层实现油墨挤出使用后的包装物回收，通过水溶解的方式使残留在包装容器内的油墨与包装容器彻底分离，从而实现对纸质包装容器的材料回收，因而实现环保回收处理。
以上所述的具体实施方式，对本发明的目的、技术方案和有益效果进行了进一步详细说明，所应理解的是，以上所述仅为本发明的具体实施方式而已，并不用于限定本发明的保护范围，凡在本发明的精神和原则之内，所做的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (10)

  1. 一种用于氧化干燥型油墨的硬纸筒包装容器，其特征在于，所述硬纸筒包装容器包括：
    纸筒本体，所述纸筒本体的一端具有前封口和出料口；所述前封口由位于所述出料口两侧的两个对称的导向结构构成，所述导向结构的导向壁在所述出料口的管壁与所述纸筒本体的内壁之间呈钝角连接；所述出料口中具有第一密封膜，用以隔绝所述纸筒本体内外两侧的空气；
    内密封活塞压盘，设置于所述纸筒本体内；所述内密封活塞压盘包括密封盘和凸部；
    所述密封盘的外径与所述纸筒本体的内径相匹配，所述密封盘的侧壁与所述纸筒本体的内壁密封相接，使得所述纸筒本体内部形成密闭结构；所述密封盘在外力作用下沿所述纸筒本体的内壁滑动；
    所述凸部与所述密封盘一体连接，所述凸部的顶端呈锥体，底端呈圆柱体，所述凸部的最大直径与所述出料口的内径相匹配；
    水溶性纳米防氧化涂层，涂布于所述纸筒本体的内壁和导向壁上，以及所述第一密封膜和所述内密封活塞压盘的至少一侧；所述水溶性纳米防氧化涂层至少包括聚乙烯醇PVA和/或纳米材料。
  2. 根据权利要求1所述的硬纸筒包装容器，其特征在于，所述前封口与所述第一密封膜为纸浆压铸一体成型。
  3. 根据权利要求2所述的硬纸筒包装容器，其特征在于，所述前封口与所述纸筒本体由水溶性PVA贴合固定为一体。
  4. 根据权利要求1所述的硬纸筒包装容器，其特征在于，所述纸筒本体的另一端具有第二密封膜。
  5. 根据权利要求1所述的硬纸筒包装容器，其特征在于，所述水溶性纳米防氧化涂层还包括塑化剂和/或活性剂。
  6. 根据权利要求1所述的硬纸筒包装容器，其特征在于，所述纳米材料 包括：有机纳米材料和/或无机纳米材料；
    其中，所述无机纳米材料包括：纳米金属氧化物、纳米非金属氧化物、纳米金属氢氧化物、纳米金属硫化物、纳米氮化物和纳米非金属材料中的一种或几种；所述有机纳米材料具体为纳米纤维素；所述纳米纤维素的长度为1nm-100nm。
  7. 根据权利要求6所述的硬纸筒包装容器，其特征在于，所述纳米金属氧化物具体包括：纳米TiO 2、纳米Al 2O 3、纳米ZrO 2中的一种或多种；所述纳米非金属氧化物具体包括：纳米二氧化硅；所述纳米金属氧化物包括：纳米Co(OH) 2、La(OH) 3中的一种；所述纳米金属硫化物包括：纳米硫化银和纳米硫化硒中的一种；所述纳米非金属材料包括纳米B、纳米C、纳米Se、纳米Si中的一种或几种。
  8. 根据权利要求7所述的硬纸筒包装容器，其特征在于，所述纳米二氧化硅具体为：疏水改性或疏油改性的纳米二氧化硅；所述纳米纤维素具体为：疏水改性或疏油改性的纳米纤维素。
  9. 根据权利要求1所述的硬纸筒包装容器，其特征在于，所述硬纸筒包装容器还包括：
    防水层，为密封结构，包裹于一个或多个所述硬纸筒包装容器之外。
  10. 根据权利要求9所述的硬纸筒包装容器，其特征在于，所述防水层由防水膜材料制成，所述防水膜材料包括：聚乙烯PE、双向拉伸聚丙烯薄膜BOPP、聚对苯二甲酸乙二酯PET和流延聚丙烯薄膜CPP中的任一种。
PCT/CN2018/083270 2017-04-27 2018-04-17 用于氧化干燥型油墨的硬纸筒包装容器 WO2018196645A1 (zh)

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