WO2023108830A1 - 水性光油及其制造方法和印刷品 - Google Patents

水性光油及其制造方法和印刷品 Download PDF

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WO2023108830A1
WO2023108830A1 PCT/CN2021/143555 CN2021143555W WO2023108830A1 WO 2023108830 A1 WO2023108830 A1 WO 2023108830A1 CN 2021143555 W CN2021143555 W CN 2021143555W WO 2023108830 A1 WO2023108830 A1 WO 2023108830A1
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Prior art keywords
water
based varnish
emulsion
polyurethane emulsion
coating
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PCT/CN2021/143555
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English (en)
French (fr)
Inventor
梁勇军
苏小燕
唐小斌
陈宗亦
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深圳市裕同包装科技股份有限公司
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Publication of WO2023108830A1 publication Critical patent/WO2023108830A1/zh

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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
    • C09D133/00—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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/04—Homopolymers or copolymers of esters
    • 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
    • C09D133/00—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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/04—Homopolymers or copolymers of esters
    • C09D133/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
    • 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
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes
    • 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
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes
    • C09D175/06—Polyurethanes from polyesters
    • 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
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes
    • C09D175/08—Polyurethanes from polyethers
    • 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
    • C09D191/00—Coating compositions based on oils, fats or waxes; Coating compositions based on derivatives thereof
    • C09D191/06—Waxes
    • 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
    • C09D7/65—Additives macromolecular
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure

Definitions

  • the present application relates to the technical field of water-based varnish, in particular to a water-based varnish, a manufacturing method thereof, and printed matter.
  • the surface treatment process of printed matter mainly includes film coating process and glazing process.
  • the film coating process can make the surface of printed matter waterproof, wear-resistant and scratch-resistant, but there are also some defects, such as difficult separation of paper and plastic, not easy to degrade, easy to cause environmental pollution, etc.
  • the glazing process does not have the problem of difficult separation of paper and plastic, so it has been widely used.
  • the glazing process mainly includes solvent-based glazing and environmentally friendly water-based glazing and UV glazing.
  • solvent-based glazing uses benzene, ester and alcohol solvents, which are harmful to the human body and the environment, so it is gradually being used by environmentally friendly water-based glazing. Light and UV varnish replaced.
  • the current water-based glazing is not as good as the coating process in terms of waterproof, abrasion resistance and folding resistance, which limits its application in printed matter.
  • the application provides a water-based varnish, its manufacturing method and printed matter, and the water-based varnish makes the printed matter have excellent water resistance, abrasion resistance and folding resistance.
  • the application provides a water-based varnish, which comprises the following film-forming components in terms of weight percentage:
  • the first polyurethane emulsion 20.0% to 60.0%;
  • the second polyurethane emulsion 10.0% to 50.0%;
  • Acrylic emulsion 10.0% to 50.0%;
  • the surface of the printed matter can form a coating with excellent water resistance, abrasion resistance and folding resistance, and then can withstand multiple folds without breaking the line. And it can also prolong the service life of printed matter.
  • the first polyurethane emulsion 20.0% to 40.0%;
  • the second polyurethane emulsion 20.0% to 40.0%;
  • Acrylic emulsion 20.0% to 50.0%;
  • the first polyurethane emulsion is selected from aliphatic polyether polyurethane emulsion
  • the second polyurethane emulsion is selected from aliphatic polyester polyurethane emulsion.
  • the acrylic emulsion is selected from glycidyl acrylate emulsion.
  • the wear-resistant wax emulsion is selected from polyethylene wax emulsion.
  • the auxiliary agent comprises the following components:
  • Anti-scratch agent 0.5% to 2.0%
  • Fungicide 0.1% to 0.5%.
  • the anti-scratch agent is selected from organic anti-scratch agents
  • the wetting agent is selected from one or more of dioctyl sodium sulfosuccinate, diisooctyl sodium sulfosuccinate and acetylenic alcohol;
  • the defoamer is selected from one or more of silicone defoamers, mineral oil defoamers and polyether defoamers;
  • the bactericide is selected from isothiazolinones or derivatives of isothiazolinones.
  • the application also provides a kind of manufacture method of water-based varnish, comprises the steps:
  • the water-based varnish is obtained by mixing and stirring the components of the water-based varnish described in any one of the above embodiments according to weight percentage.
  • the raw material components of the water-based varnish are readily available, the cost is controllable, and the manufacturing method is simple and the operation is convenient.
  • the water-based varnish is obtained, including:
  • the stirring rate of each component of the water-based varnish before adding is 800.0rpm/min ⁇ 1000.0rpm/min, and after the components of the water-based varnish are added in sequence according to weight percentage, the stirring rate is 1500.0rpm /min ⁇ 2000.0rpm/min, keep stirring for 2.5h ⁇ 3.0h to obtain the water-based varnish.
  • the application also provides a printed matter, including:
  • the coating is arranged on the surface of the substrate, and the coating is obtained by coating the water-based varnish described in any one of the above embodiments.
  • the coating in the above-mentioned printed matter is obtained by coating the water-based varnish in any of the above-mentioned embodiments, the printed matter can withstand multiple folds without breaking the line, and also has a longer service life.
  • the application provides a water-based varnish, which comprises the following film-forming components in terms of weight percent:
  • the first polyurethane emulsion 20.0% to 60.0%;
  • the second polyurethane emulsion 10.0% to 50.0%;
  • Acrylic emulsion 10.0% to 50.0%;
  • the water-based varnish is formed by rationally selecting the film-forming components and their content.
  • the coating formed by using the water-based varnish has excellent water resistance, abrasion resistance and folding resistance. In turn, it can withstand multiple folds without breaking the line, and it can also extend the service life of printed matter.
  • the above-mentioned performance can basically reach the performance achieved by the coating process, and the packaging appearance protection also meets the corresponding indicators, so that the coating process using the water-based varnish of the present application can replace the coating process.
  • the formed coating can have certain waterproofness, abrasion resistance and folding resistance, and then through the above-mentioned film-forming The content of the components is adjusted so that the coating formed by the water-based varnish applied in the glazing process has excellent water resistance, abrasion resistance and folding resistance.
  • the first polyurethane emulsion 20.0% to 40.0%;
  • the second polyurethane emulsion 20.0% to 40.0%;
  • Acrylic emulsion 20.0% to 50.0%;
  • the coating formed by the water-based varnish has more excellent water resistance, abrasion resistance and folding resistance.
  • the first polyurethane emulsion is selected from aliphatic polyether polyurethane emulsion
  • the second polyurethane emulsion is selected from aliphatic polyester polyurethane emulsion, where aliphatic refers to chain hydrocarbons (open-chain hydrocarbons) and cyclic hydrocarbons other than aromatic compounds and their derivatives.
  • the first polyurethane emulsion can be obtained from commercial channels or can be synthesized according to methods known in the art.
  • the first polyurethane emulsion suitable for use in this application that can be obtained through commercial channels may include but not limited to PUD-1901S of Shanghai Sisheng Polymer Material Co., Ltd., the solid content of polyurethane in this emulsion is 32.0%, and it is completely dumb type polyurethane emulsion.
  • the second polyurethane emulsion is commercially available or can be synthesized according to methods known in the art.
  • the second polyurethane emulsion suitable for use in this application that can be obtained through commercial channels can include but not limited to PUD-8753 of Guangzhou Yu'an New Material Co., Ltd., the solid content of polyurethane in this emulsion is 31.0%, has good transparency and Gloss.
  • the acrylic emulsion is selected from glycidyl acrylate emulsion.
  • the acrylic emulsion can cooperate with the first polyurethane emulsion and the second polyurethane emulsion, so that the coating formed by the water-based varnish has excellent water resistance, abrasion resistance and folding resistance.
  • the above-mentioned glycidyl acrylate emulsion can be obtained from commercial channels or can be synthesized according to methods known in the art.
  • the solid content of glycidyl acrylate in the emulsion is 45.0%, which has good glossiness.
  • the wear-resistant wax emulsion can improve the wear-resistant performance of the coating.
  • the wear-resistant wax emulsion is selected from polyethylene wax emulsion, which can be obtained from commercial channels or can be synthesized according to methods known in the art.
  • the wear-resistant wax emulsion may include but not limited to PE200 from Longkou Yijiu Chemical Technology Co., Ltd.
  • PE200 can significantly improve the surface properties of the coating, and improve the properties of the coating such as wear resistance, slipperiness, and anti-blocking.
  • the auxiliary agent comprises the following components:
  • Anti-scratch agent 0.5% to 2.0%
  • Fungicide 0.1% to 0.5%.
  • the anti-scratch agent can not only improve the anti-scratch effect of the coating, but also help to improve the wear resistance of the coating.
  • the anti-scratch agent is selected from organic anti-scratch agents that can be obtained through commercial channels.
  • the anti-scratch agent may include but not limited to DC-51 of Dow Corning Chemical Co., Ltd.
  • the wetting agent can effectively reduce the surface tension of the water-based varnish and improve the adhesion of the varnish to the substrate.
  • the wetting agent is selected from one or more of dioctyl sodium sulfosuccinate, diisooctyl sodium sulfosuccinate and acetylenic alcohol, and these wetting agents are all Commercially available.
  • the wetting agent may include, but not limited to, OT75, ABO or acetylenic alcohol from Dongguan Xiangfeng Environmental Protection Materials Co., Ltd.
  • the defoamer can eliminate air bubbles in the water-based varnish.
  • the defoaming agent is selected from one or more of silicone defoaming agents, mineral oil defoaming agents and polyether defoaming agents, and these defoaming agents can be obtained through commercial channels.
  • the antifoaming agent may include, but not limited to, DC-65 of Dow Corning Chemical Co., Ltd.
  • the bactericide has a good bacteriostatic effect and can effectively inhibit the growth and reproduction of microorganisms such as various molds and yeasts, so as to prevent mold, odor, blackening, sourness and Phenomena such as viscosity drop occur.
  • the fungicide is selected from isothiazolinone or derivatives of isothiazolinone, and these fungicides can be obtained through commercial channels.
  • the fungicide may include but not limited to HR-F8 of Shaanxi China Resources Industrial Company.
  • the application also provides a method for producing water-based varnish, comprising the steps of:
  • the water-based varnish After mixing and stirring the components of the water-based varnish in any one of the above embodiments according to weight percentage, the water-based varnish is obtained.
  • the raw material components of the water-based varnish are readily available, the cost is controllable, and the manufacturing method is simple and the operation is convenient.
  • the above manufacturing method includes the following steps:
  • the stirring rate of each component of water-based varnish is 800.0rpm/min ⁇ 1000.0rpm/min before adding each component of water-based varnish. min, keep stirring for 2.5h-3.0h to obtain water-based varnish.
  • the application also provides a printed matter, including:
  • the coating is arranged on the surface of the above-mentioned substrate, and the coating is obtained by coating the water-based varnish in any one of the above-mentioned embodiments.
  • the coating in the above-mentioned printed matter is obtained by coating the water-based varnish in any of the above-mentioned embodiments, the printed matter can withstand multiple folds without breaking the line, and also has a longer service life.
  • the first polyurethane emulsion (PUD-1901S of Shanghai Sisheng Polymer Material Co., Ltd., solid content is 32.0%, full-dumb polyurethane emulsion), 35.0%;
  • the second polyurethane emulsion (PUD-8753 of Guangzhou Yu'an New Material Co., Ltd., solid content is 31.0%), 40.0%;
  • Glycidyl acrylate emulsion (solid content is 45.0%), 10.0%;
  • Anti-scratch agent DC-51 of Dow Corning Chemical Co., Ltd., 1.0%;
  • the first polyurethane emulsion 40.0%;
  • the second polyurethane emulsion 30.0%;
  • Anti-scratch agent 0.5%
  • the first polyurethane emulsion 60.0%;
  • the second polyurethane emulsion 10.0%;
  • Anti-scratch agent 1.0%
  • the first polyurethane emulsion 25.0%;
  • the second polyurethane emulsion 10.0%;
  • Anti-scratch agent 1.0%
  • the first polyurethane emulsion 20.0%;
  • the second polyurethane emulsion 50.0%;
  • Anti-scratch agent 1.0%
  • the first polyurethane emulsion 40.0%;
  • the second polyurethane emulsion 20.0%;
  • Anti-scratch agent 1.0%
  • the first polyurethane emulsion 40.0%;
  • the second polyurethane emulsion 10.0%;
  • Anti-scratch agent 0.5%
  • Example 7 The difference between this comparative example and Example 7 is: the first polyurethane emulsion, 70.0%; the second polyurethane emulsion, 5.0%; acrylic emulsion, 5.0%.
  • Example 7 The differences between this comparative example and Example 7 are: the first polyurethane emulsion, 5.0%; the second polyurethane emulsion, 70.0%; acrylic emulsion, 5.0%.
  • Example 7 The difference between this comparative example and Example 7 lies in: the second polyurethane emulsion, 0.0%; acrylic acid emulsion, 40.0%.
  • Example 7 The difference between this comparative example and Example 7 lies in: the first polyurethane emulsion, 0.0%; the second polyurethane emulsion, 40.0%; acrylic emulsion, 40.0%.
  • Example 7 The difference between this comparative example and Example 7 lies in: the second polyurethane emulsion, 40.0%; acrylic acid emulsion, 0.0%.
  • the water-based varnishes of Examples 1-7 and Comparative Examples 1-5 were respectively used to perform glazing treatment on the semi-finished printing and packaging products, and dried in a high-temperature drying tunnel to obtain printed packaging products.
  • the above-mentioned printed packaging products are cut into test samples of A4 paper size, and the water resistance, abrasion resistance, adhesion, and folding resistance of each test sample are tested. The results are shown in Table 1.
  • Water resistance Use a 2mL plastic dropper to drop water droplets on the surface of the test sample, record the time with a stopwatch, and test the time for the water droplets to wet the paper surface.
  • Abrasion resistance use an abrasion tester to test, use a 4-pound weight block, and use A4 paper to rub against the coating surface of the test sample.
  • Adhesion After using the 3M self-adhesive tape to stick to the paper, pull it hard to investigate the degree of coating damage to the test sample, that is, to observe whether the self-adhesive tape peels off the coating from the surface of the test sample.
  • Folding resistance Fold the paper front and back 10 times to see if there is damage to the paper fibers at the creases. If the paper surface bursts and the paper fibers are exposed, it means that the folding resistance does not meet the standard; if there are only creases but no bursting, it means that the folding resistance meets the requirements.
  • the coating formed by the water-based varnish of the present application has excellent water resistance, abrasion resistance, adhesion and folding resistance, can replace the coating process, and is suitable for high-end printed matter.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
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  • Oil, Petroleum & Natural Gas (AREA)
  • Paints Or Removers (AREA)

Abstract

一种水性光油及其制造方法和印刷品，该水性光油按照重量百分比计包含如下成膜组分：第一聚氨酯乳液，20.0％～60.0％；第二聚氨酯乳液，10.0％～50.0％；丙烯酸乳液，10.0％～50.0％；耐磨蜡乳乳液，5.0％～15.0％；助剂，1.2％～8.0％。通过合理选择水性光油组分及其含量，使印刷品表面能够形成具有优异的防水性、耐磨性和耐折性的涂层，进而能够经受多次折叠不爆线，并且还能够延长印刷品的使用寿命。

Description

水性光油及其制造方法和印刷品
相关申请的交叉引用
本申请要求享有于2021年12月17日提交的名称为“水性光油及其制造方法和印刷品”的中国专利申请202111552424.5的优先权，该申请的全部内容通过引用并入本文中。
技术领域
本申请涉及水性光油技术领域，具体涉及一种水性光油及其制造方法和印刷品。
背景技术
印刷品的表面处理工艺主要包括覆膜工艺和上光工艺，覆膜工艺能够使印刷品表面具有防水、耐磨和抗划伤等优点，但也存在一些缺陷，例如纸塑分离困难、不易降解、易造成环境污染等。与覆膜工艺相比，上光工艺不存在纸塑分离困难的问题，因而使其得到了广泛的应用。
上光工艺主要包括溶剂型上光和环保的水性上光及UV上光，其中，溶剂型上光采用苯类、酯类和醇类溶剂，对人体和环境有害，故逐渐被环保的水性上光和UV上光取代。然而，目前的水性上光在防水、耐磨和耐折等方面不如覆膜工艺，从而限制其在印刷品中的应用。
发明内容
本申请提供了一种水性光油及其制造方法和印刷品，该水性光油使印刷品具有优异的防水性、耐磨性和耐折性。
第一方面，本申请提供了一种水性光油，按照重量百分比计，包含如下成膜组分：
第一聚氨酯乳液，20.0％～60.0％；
第二聚氨酯乳液，10.0％～50.0％；
丙烯酸乳液，10.0％～50.0％；
耐磨蜡乳液，5.0％～15.0％；
助剂，1.2％～8.0％。
本申请的实施例中，通过合理选择成膜组分及其含量，使印刷品表面能够形成具有优异的防水性、耐磨性和耐折性的涂层，进而能够经受多次折叠不爆线，并且还能够延长印刷品的使用寿命。
在本申请的一些实施例中，按照重量百分比计，包含如下成膜组分：
第一聚氨酯乳液，20.0％～40.0％；
第二聚氨酯乳液，20.0％～40.0％；
丙烯酸乳液，20.0％～50.0％；
耐磨蜡乳液，5.0％～10.0％；
助剂，2.5％～4.5％。
在本申请的一些实施例中，所述第一聚氨酯乳液选自脂肪族的聚醚型聚氨酯乳液；
所述第二聚氨酯乳液选自脂肪族的聚酯型聚氨酯乳液。
在本申请的一些实施例中，所述丙烯酸乳液选自丙烯酸缩水甘油酯乳液。
在本申请的一些实施例中，所述耐磨蜡乳液选自聚乙烯蜡乳液。
在本申请的一些实施例中，所述助剂包含如下组分：
抗刮剂，0.5％～2.0％；
润湿剂，0.5％～5.0％；
消泡剂，0.1％～0.5％；
杀菌剂，0.1％～0.5％。
在本申请的一些实施例中，所述抗刮剂选自有机抗刮剂；
可选地，所述润湿剂选自二辛基磺化琥珀酸钠、磺基琥珀酸二异辛酯钠和炔醇中的一种或多种；
可选地，所述消泡剂选自有机硅消泡剂、矿物油消泡剂和聚醚消泡剂中的一种或多种；
可选地，所述杀菌剂选自异噻唑啉酮或异噻唑啉酮的衍生物。
第二方面，本申请还提供了一种水性光油的制造方法，包括如下步骤：
将上述任一项实施例中所述的水性光油的各组分按照重量百分比混合搅拌后，得到所述水性光油。
本申请的实施例中，水性光油的原料组分易得，成本可控，而且制造方法简单，操作方便。
在本申请的一些实施例中，所述将上述任一项实施例中所述的水性光油的各组分按照重量百分比混合搅拌后，得到所述水性光油，包括：
所述水性光油的各组分添加前的搅拌速率为800.0rpm/min～1000.0rpm/min，待所述水性光油的各组分依次按照重量百分比添加完后，所述搅拌速率为1500.0rpm/min～2000.0rpm/min，维持搅拌2.5h～3.0h，得到所述水性光油。
第三方面，本申请还提供了一种印刷品，包括：
基材；
涂层，设置在所述基材的表面，所述涂层由上述任一项实施例中所述的水性光油涂覆得到。
本申请的实施例中，由于上述印刷品中的涂层由上述任一项实施例中的水性光油涂覆得到，因此，该印刷品能够耐受多次折叠不爆线，而且还具有较长的使用寿命。
具体实施方式
本说明书中各实施例或实施方案采用递进的方案描述，每个实施例重点说明的都是与其他实施例的不同之处。
除非另有规定，本文所使用的所有的技术和科学术语与属于本申请的技术领域的技术人员通常理解的含义相同；本文中所使用的术语只是为了描述具体的实施例的目的，不是旨在于限制本申请；本申请的说明书和权 利要求书的术语“包括”和“具有”以及它们的任何变形，意图在于覆盖不排他的包含。
在本申请的描述中，技术术语“第一”“第二”等仅用于区别不同对象，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量、特定顺序或主次关系。在本申请的描述中，“多个”的含义是两个以上，除非另有明确具体的限定。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示意性实施例”、“示例性的”、“具体示例”、或“一些示例”等的描述意指结合实施方式或示例描述的具体特征、结构、材料或者特点包含于本申请的至少一个实施方式或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施方式或示例。而且，描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施方式或示例中以合适的方案结合。
本申请提供了一种水性光油，按照重量百分比计，包含如下成膜组分：
第一聚氨酯乳液，20.0％～60.0％；
第二聚氨酯乳液，10.0％～50.0％；
丙烯酸乳液，10.0％～50.0％；
耐磨蜡乳液，5.0％～15.0％；
助剂，1.2％～8.0％。
本申请的实施例中，通过合理选择成膜组分及其含量组成水性光油，在上光工艺中，使用该水性光油所形成的涂层具有优异的防水性、耐磨性和耐折性，进而能够经受多次折叠不爆线，还可延长印刷品的使用寿命。而且上述性能基本上能够达到覆膜工艺所实现的性能，包装外观保护也符合相应的指标，从而使用本申请的水性光油的上光工艺可取代覆膜工艺。
具体的，发明人将第一聚氨酯乳液、第二聚氨酯乳液和丙烯酸乳液进行匹配组合后发现，能够使形成的涂层具有一定的防水性、耐磨性和耐折性，再通过对上述成膜组分的含量进行调整，可使应用于上光工艺中的水性光油所形成的涂层具有优异的防水性、耐磨性和耐折性。
在本申请的一些实施例中，按照重量百分比计，包含如下成膜组分：
第一聚氨酯乳液，20.0％～40.0％；
第二聚氨酯乳液，20.0％～40.0％；
丙烯酸乳液，20.0％～50.0％；
耐磨蜡乳液，5.0％～10.0％；
助剂，2.5％～4.5％。
在上述实施例中，通过进一步优化各组分的含量，使水性光油形成的涂层具有更优异的防水性、耐磨性和耐折性。
在本申请的一些实施例中，第一聚氨酯乳液选自脂肪族的聚醚型聚氨酯乳液，第二聚氨酯乳液选自脂肪族的聚酯型聚氨酯乳液，此处的脂肪族是指链状烃类(开链烃类)及除芳香族化合物以外的环状烃类及其衍生物的总称。
示例性的，第一聚氨酯乳液可通过商业渠道获得或者可根据本领域公知的方法合成。可通过商业渠道获得的适合用于本申请中的第一聚氨酯乳液可包括但不限于上海思盛聚合物材料有限公司的PUD-1901S，该乳液中聚氨酯的固含量为32.0％，且为全哑型聚氨酯乳液。
第二聚氨酯乳液可通过商业渠道获得或者可根据本领域公知的方法合成。可通过商业渠道获得的适合用于本申请中的第二聚氨酯乳液可包括但不限于广州昱安新材料有限公司的PUD-8753，该乳液中聚氨酯的固含量为31.0％，具有良好的透明度和光泽度。
在本申请的一些实施例中，丙烯酸乳液选自丙烯酸缩水甘油酯乳液。该丙烯酸乳液可与第一聚氨酯乳液、第二聚氨酯乳液相协同，使水性光油形成的涂层具有优异的防水性、耐磨性和耐折性。
示例性的，上述丙烯酸缩水甘油酯乳液可通过商业渠道获得或者可根据本领域公知的方法合成。其中，乳液中丙烯酸缩水甘油酯固含量为45.0％，其具有良好的光泽度。
在本申请的实施例中，耐磨蜡乳液可改善涂层的耐磨性能。在本申请的一些实施例中，耐磨蜡乳液选自聚乙烯蜡乳液，该耐磨蜡乳液可通过商业渠道获得或者可根据本领域公知的方法合成。
示例性的，耐磨蜡乳液可包括但不限于龙口市易久化工科技有限公司的PE200，PE200可显著改善涂层的表面性能，提高涂层的耐磨、滑爽、抗粘连等性能。
在本申请的一些实施例中，助剂包含如下组分：
抗刮剂，0.5％～2.0％；
润湿剂，0.5％～5.0％；
消泡剂，0.1％～0.5％；
杀菌剂，0.1％～0.5％。
在上述实施例中，抗刮剂不仅可以改善涂层的抗刮伤效果，而且还可以有助于提高涂层的耐磨性。在本申请的一些实施例中，抗刮剂选自有机抗刮剂，该有机抗刮剂可通过商业渠道获得。示例性的，抗刮剂可包括但不限于道康宁化工有限公司的DC-51。
在上述实施例中，润湿剂可有效降低水性光油的表面张力，并改善光油对基材附着力。在本申请的一些实施例中，润湿剂选自二辛基磺化琥珀酸钠、磺基琥珀酸二异辛酯钠和炔醇中的一种或多种，并且这些润湿剂均均可通过商业渠道获得。示例性的，润湿剂可包括但不限于东莞市翔峰环保材料有限公司的OT75、ABO或炔醇。
在上述实施例中，消泡剂可消除水性光油中气泡。在本申请的一些实施例中，消泡剂选自有机硅消泡剂、矿物油消泡剂和聚醚消泡剂中的一种或多种，这些消泡剂均可通过商业渠道获得。示例性的，消泡剂可包括但不限于道康宁化工有限公司的DC-65。
在上述实施例中，杀菌剂具有良好的抑菌效果，可有效地抑制各种霉菌和酵母菌等微生物的生长与繁殖，以防止因微生物污染引起的发霉、变臭、变黑、变酸和粘度下降等现象发生。在本申请的一些实施例中，杀菌剂选自异噻唑啉酮或异噻唑啉酮的衍生物，这些杀菌剂均可通过商业渠道获得。示例性的，杀菌剂可包括但不限于陕西华润实业公司的HR-F8。
基于同一技术构思，本申请还提供了一种水性光油的制造方法，包括如下步骤：
将上述任一项实施例中的水性光油的各组分按照重量百分比混合搅拌后，得到水性光油。
本申请的实施例中，水性光油的原料组分易得，成本可控，而且制造方法简单，操作方便。
具体地，上述制造方法包括如下步骤：
水性光油的各组分添加前的搅拌速率为800.0rpm/min～1000.0rpm/min，待水性光油的各组分依次按照重量百分比添加完后，搅拌速率为1500.0rpm/min～2000.0rpm/min，维持搅拌2.5h～3.0h，得到水性光油。
基于同一技术构思，本申请还提供了一种印刷品，包括：
基材；
涂层，设置在上述基材的表面，该涂层由上述任一项实施例中的水性光油涂覆得到。
本申请的实施例中，由于上述印刷品中的涂层由上述任一项实施例中的水性光油涂覆得到，因此，该印刷品能够耐受多次折叠不爆线，而且还具有较长的使用寿命。
以下，通过具体实施例对本申请的水性光油及其制备方法进行详细介绍。
实施例1
本实施例提供的水性光油，包括如下成膜组分：
第一聚氨酯乳液(上海思盛聚合物材料有限公司的PUD-1901S，固含量为32.0％，全哑型聚氨酯乳液)，35.0％；
第二聚氨酯乳液(广州昱安新材料有限公司的PUD-8753，固含量为31.0％)，40.0％；
丙烯酸缩水甘油酯乳液(固含量为45.0％)，10.0％；
耐磨蜡乳液(龙口市易久化工科技有限公司的PE200)，5.0％；
抗刮剂(道康宁化工有限公司的DC-51)，1.0％；
润湿剂(东莞市翔峰环保材料有限公司的OT75)，3.0％；
消泡剂(道康宁化工有限公司的DC-65)，0.3％；
杀菌剂(陕西华润实业公司的HR-F8)，0.2％；
水，5.5％。
本实施例的水性光油按照如下方法制造：
1)按相应的重量百分比备好第一聚氨酯乳液、第二聚氨酯乳液、丙烯酸乳液、耐磨蜡乳液、抗刮剂、润湿剂、消泡剂、杀菌剂和水；
2)将分散机的搅拌速率设置为900.0rpm/min，待上述组分全部添加至分散机中后，搅拌速率提高至1800.0rpm/min，维持搅拌3.0h，即可获得本实施例的水性光油。
实施例2
本实施例提供的水性光油，包括如下成膜组分：
第一聚氨酯乳液，40.0％；
第二聚氨酯乳液，30.0％；
丙烯酸缩水甘油酯乳液，10.0％；
耐磨蜡乳液，10.0％；
抗刮剂，0.5％；
润湿剂，2.0％；
消泡剂，0.3％；
杀菌剂，0.2％；
水，7.0％。
本实施例的水性光油中的上述组分型号以及制造方法与实施例1相同。
实施例3
本实施例提供的水性光油，包括如下成膜组分：
第一聚氨酯乳液，60.0％；
第二聚氨酯乳液，10.0％；
丙烯酸缩水甘油酯乳液，20.0％；
耐磨蜡乳液，5.0％；
抗刮剂，1.0％；
润湿剂，2.0％；
消泡剂，0.3％；
杀菌剂，0.2％；
水，1.5％。
本实施例的水性光油中的上述组分型号以及制造方法与实施例1相同。
实施例4
本实施例提供的水性光油，包括如下成膜组分：
第一聚氨酯乳液，25.0％；
第二聚氨酯乳液，10.0％；
丙烯酸缩水甘油酯乳液，50.0％；
耐磨蜡乳液，10.0％；
抗刮剂，1.0％；
润湿剂，1.0％；
消泡剂，0.3％；
杀菌剂，0.2％；
水，2.5％。
本实施例的水性光油中的上述组分型号以及制造方法与实施例1相同。
实施例5
本实施例提供的水性光油，包括如下成膜组分：
第一聚氨酯乳液，20.0％；
第二聚氨酯乳液，50.0％；
丙烯酸缩水甘油酯乳液，20.0％；
耐磨蜡乳液，5.0％；
抗刮剂，1.0％；
润湿剂，2.0％；
消泡剂，0.3％；
杀菌剂，0.2％；
水，1.5％。
本实施例的水性光油中的上述组分型号以及制造方法与实施例1相同。
实施例6
本实施例提供的水性光油，包括如下成膜组分：
第一聚氨酯乳液，40.0％；
第二聚氨酯乳液，20.0％；
丙烯酸缩水甘油酯乳液，20.0％；
耐磨蜡乳液，10.0％；
抗刮剂，1.0％；
润湿剂，3.0％；
消泡剂，0.3％；
杀菌剂，0.2％；
水，5.5％。
本实施例的水性光油中的上述组分型号以及制造方法与实施例1相同。
实施例7
本实施例提供的水性光油，包括如下成膜组分：
第一聚氨酯乳液，40.0％；
第二聚氨酯乳液，10.0％；
丙烯酸缩水甘油酯乳液，30.0％；
耐磨蜡乳液，8.0％；
抗刮剂，0.5％；
润湿剂，2.0％；
消泡剂，0.3％；
杀菌剂，0.2％；
水，9.0％。
本实施例的水性光油中的上述组分型号以及制造方法与实施例1相同。
对比例1
本对比例与实施例7的区别地方在于：第一聚氨酯乳液，70.0％；第二聚氨酯乳液，5.0％；丙烯酸乳液，5.0％。
本对比例的水性光油中的上述组分型号以及制造方法与实施例7相同。
对比例2
本对比例与实施例7的区别地方在于：第一聚氨酯乳液，5.0％；第二聚氨酯乳液，70.0％；丙烯酸乳液，5.0％。
本对比例的水性光油中的上述组分型号以及制造方法与实施例7相同。
对比例3
本对比例与实施例7的区别地方在于：第二聚氨酯乳液，0.0％；丙烯酸乳液，40.0％。
本对比例的水性光油中的上述组分型号以及制造方法与实施例7相同。
对比例4
本对比例与实施例7的区别地方在于：第一聚氨酯乳液，0.0％；第二聚氨酯乳液，40.0％；丙烯酸乳液，40.0％。
本对比例的水性光油中的上述组分型号以及制造方法与实施例7相同。
对比例5
本对比例与实施例7的区别地方在于：第二聚氨酯乳液，40.0％；丙烯酸乳液，0.0％。
本对比例的水性光油中的上述组分型号以及制造方法与实施例7相同。
测试例
分别采用实施例1-7及对比例1-5的水性光油对印刷包装半成品进行上光处理，经高温烘道烘干，得到印刷包装品。为了说明本申请的水性光油的性能，将上述各印刷包装品裁切成A4纸大小的测试样品，并对各测试样品的防水性、耐磨性、附着力、耐折性能进行测试，测试结果如表1所示。
以下，对具体测试条件进行介绍。
防水性：使用2mL的塑料滴管，将水滴滴在测试样品的表面上，用秒表记录时间，测试水滴洇湿纸面的时间。
耐磨性：使用耐磨测试仪进行测试，使用4磅重的磅块，并用A4纸与测试样品的涂层面对磨。
附着力：使用3M不干胶带与纸贴合后，用力提拉，考察对测试样品 的涂层破坏程度，即观察不干胶带是否将涂层从测试样品的表面剥离。
耐折性：将纸面正反折叠10次，看折痕处是否有纸纤维破坏的情况。如果纸面爆裂，露出纸纤维，说明耐折性未达标；如果只出现折痕，而无爆开的情况，说明耐折性满足要求。
表1
水性光油 防水性(min) 耐磨性(次) 附着力 耐折性
实施例1 20 500 弱 良
实施例2 15 800 弱 优
实施例3 25 800 弱 优
实施例4 10 1000 优 弱
实施例5 25 800 优 弱
实施例6 30 1000 优 优
实施例7 25 800 良 良
对比例1 20 500 弱 良
对比例2 15 800 弱 弱
对比例3 10 1000 良 弱
对比例4 20 600 弱 良
对比例5 20 500 弱 良
根据表1可知，本申请的水性光油所形成的涂层具有优异的防水性、耐磨性、附着力和耐折性，能够替代覆膜工艺，适用在高端印刷品上面。
最后应说明的是：以上各实施例仅用以说明本申请的实施例，而非对其限制；尽管参照前述各实施例对本申请进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应方案的本质脱离本申请各实施例方案的范围。

Claims (10)

  1. 一种水性光油，按照重量百分比计，包含如下成膜组分：
    第一聚氨酯乳液，20.0％～60.0％；
    第二聚氨酯乳液，10.0％～50.0％；
    丙烯酸乳液，10.0％～50.0％；
    耐磨蜡乳液，5.0％～15.0％；
    助剂，1.2％～8.0％。
  2. 根据权利要求1所述的水性光油，按照重量百分比计，包含如下成膜组分：
    第一聚氨酯乳液，20.0％～40.0％；
    第二聚氨酯乳液，20.0％～40.0％；
    丙烯酸乳液，20.0％～50.0％；
    耐磨蜡乳液，5.0％～10.0％；
    助剂，2.5％～4.5％。
  3. 根据权利要求1或2所述的水性光油，其中，所述第一聚氨酯乳液选自脂肪族的聚醚型聚氨酯乳液；
    所述第二聚氨酯乳液选自脂肪族的聚酯型聚氨酯乳液。
  4. 根据权利要求1或2所述的水性光油，其中，所述丙烯酸乳液选自丙烯酸缩水甘油酯乳液。
  5. 根据权利要求1或2所述的水性光油，其中，所述耐磨蜡乳液选自聚乙烯蜡乳液。
  6. 根据权利要求5所述的水性光油，其中，所述助剂包含如下组分：
    抗刮剂，0.5％～2.0％；
    润湿剂，0.5％～5.0％；
    消泡剂，0.1％～0.5％；
    杀菌剂，0.1％～0.5％。
  7. 根据权利要求6所述的水性光油，其中，所述抗刮剂选自有机抗 刮剂；
    可选地，所述润湿剂选自二辛基磺化琥珀酸钠、磺基琥珀酸二异辛酯钠和炔醇中的一种或多种；
    可选地，所述消泡剂选自有机硅消泡剂、矿物油消泡剂和聚醚消泡剂中的一种或多种；
    可选地，所述杀菌剂选自异噻唑啉酮或异噻唑啉酮的衍生物。
  8. 一种水性光油的制造方法，包括如下步骤：
    将权利要求1-7中任一项所述的水性光油的各组分按照重量百分比混合搅拌后，得到所述水性光油。
  9. 根据权利要求8所述的制造方法，其中，所述将权利要求1-7中任一项所述的水性光油的各组分按照重量百分比混合搅拌后，得到所述水性光油，包括：
    所述水性光油的各组分添加前的搅拌速率为800.0rpm/min～1000.0rpm/min，待所述水性光油的各组分依次按照重量百分比添加完后，所述搅拌速率为1500.0rpm/min～2000.0rpm/min，
    维持搅拌2.5h～3.0h，得到所述水性光油。
  10. 一种印刷品，包括：
    基材；
    涂层，设置在所述基材的表面，所述涂层由权利要求1-7中任一项所述的水性光油涂覆得到。
PCT/CN2021/143555 2021-12-17 2021-12-31 水性光油及其制造方法和印刷品 WO2023108830A1 (zh)

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