CN109504319B - Aqueous adhesive for electrochemical aluminum and preparation method thereof - Google Patents
Aqueous adhesive for electrochemical aluminum and preparation method thereof Download PDFInfo
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- CN109504319B CN109504319B CN201811484606.1A CN201811484606A CN109504319B CN 109504319 B CN109504319 B CN 109504319B CN 201811484606 A CN201811484606 A CN 201811484606A CN 109504319 B CN109504319 B CN 109504319B
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J129/00—Adhesives 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; Adhesives based on hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Adhesives based on derivatives of such polymers
- C09J129/14—Homopolymers or copolymers of acetals or ketals obtained by polymerisation of unsaturated acetals or ketals or by after-treatment of polymers of unsaturated alcohols
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
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- 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
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The invention relates to the technical field of high-molecular adhesives, in particular to a novel water-based adhesive for electrochemical aluminum and a preparation method thereof. The novel aqueous adhesive for the electrochemical aluminum comprises the following components: tackifying resin, acrylic resin, functional resin and solvent. The adhesive has wide application range, has good adhesive force on wood, ceramics, metal, glass, plastics, printing ink card paper and the like, and is efficient, clean and environment-friendly because the main solvent is deionized water, alcohol or ester solvent.
Description
Technical Field
The invention belongs to the technical field of high-molecular adhesives, and particularly relates to a novel water-based adhesive for electrochemical aluminum and a preparation method thereof.
Background
With the development of national economy and the improvement of living standard of people, people put forward higher requirements on printing of commodity packages, book covers, product samples and the like, the printing needs to have bright colors and good metallic luster, and the electrochemical aluminum hot stamping is also increasingly applied to various high-grade printed matters. The electric aluminum stamping refers to a process of pressing a printed product and an electric aluminum foil in a short time by using a template arranged on a hot stamping machine with the help of certain pressure and temperature, and transferring the electric aluminum foil to the surface of the printed product according to the pictures and texts of the hot stamping template.
The traditional electrochemical aluminum hot stamping is mainly carried out on the relatively flat surface of a substrate with certain toughness such as paper, plastic and the like, and the process is mainly completed by heating and pressurizing by a relief printing plate (a copper plate and a zinc plate). With the continuous improvement of the demand of people, the traditional hot stamping of the electrochemical aluminum can not meet higher requirements. Therefore, a novel environment-friendly water-based adhesive is urgently needed to be designed to meet the requirement of high-speed circular high-speed hot stamping, and the technical problems of insufficient speed, poor adhesion, metal flying, incomplete hot stamping patterns, missing hot stamping or foaming, narrow application range and the like of the conventional high-speed circular high-speed hot stamping are solved.
Disclosure of Invention
In order to solve the above problems, a first aspect of the present invention provides a novel aqueous binder for alumite, comprising the following components: tackifying resin, acrylic resin, functional resin and solvent.
As a preferable technical scheme, the novel aqueous binder for the electrochemical aluminum comprises the following components in parts by weight: 10-30 parts of tackifying resin, 5-10 parts of acrylic resin, 15-30 parts of functional resin and 30-50 parts of solvent.
As a preferable technical scheme, the glass transition temperature Tg of the tackifying resin is 60-130 ℃.
As a preferable technical scheme, the tackifying resin comprises aldehyde ketone resin and hydrogenated C5 resin.
As a preferable technical scheme, the weight ratio of the aldehyde ketone resin to the hydrogenated C5 resin is 1: 0.2-0.4.
In a preferred embodiment, the acrylic resin is selected from the group consisting of poly (ethyl methacrylate) resin, poly (n-butyl acrylate) resin, poly (butyl methacrylate) resin, and modified polymers of the above resins.
As a preferable technical scheme, the glass transition temperature Tg of the acrylic resin is 50-100 ℃, and the molecular weight Mw is 3-8 ten thousand.
As a preferable technical scheme, the functional resin is selected from one or more of polyvinyl alcohol, polyvinyl butyral and polyvinyl formal acetaldehyde.
As a preferable technical scheme, the molecular weight Mw of the functional resin is 5-12 ten thousand.
The second aspect of the invention provides a preparation method of a novel water-based adhesive for electrochemical aluminum, which comprises the following steps:
(1) heating ethanol to 50 ℃, adding the tackifying resin into a container under the condition of stirring speed of 400-;
(2) heating ethanol to 50 ℃, adding acrylic resin into a container under the condition of stirring speed of 500-800 r/min, increasing the stirring speed to 1000-1200 r/min, and stirring at constant temperature of 50 ℃ until the acrylic resin is completely dissolved to prepare an acrylic resin solution;
(3) heating ethanol to 50 ℃, adding the functional resin into a container under the condition of stirring speed of 500-;
(4) and uniformly stirring the tackifying resin solution, the acrylic resin solution, the functional resin solution and the solvent to obtain the novel water-based adhesive for the electrochemical aluminum.
Has the advantages that: the novel water-based adhesive for alumite prepared by the invention has excellent hot stamping speed and hot stamping property, the hot stamping pattern is perfect, the adhesive belongs to a water-based product, the stability is good, and the stability can be comparable to that of an oil-based coating; in addition, the adhesive has wide application range, has good adhesive force on wood, ceramics, metal, glass, plastics, printing ink card paper and the like, and is efficient, clean and environment-friendly because the main solvent is deionized water, alcohol or ester solvent.
Detailed Description
The technical features of the technical solutions provided by the present invention are further clearly and completely described below with reference to the specific embodiments, and the scope of protection is not limited thereto.
The words "preferred", "more preferred", and the like, in the present invention refer to embodiments of the invention that may provide certain benefits, under certain circumstances. However, other embodiments may be preferred, under the same or other circumstances. Furthermore, the recitation of one or more preferred embodiments does not imply that other embodiments are not useful, nor is it intended to exclude other embodiments from the scope of the invention.
When a range of values is disclosed herein, the range is considered to be continuous and includes both the minimum and maximum values of the range, as well as each value between such minimum and maximum values. Further, when a range refers to an integer, each integer between the minimum and maximum values of the range is included. Further, when multiple range-describing features or characteristics are provided, the ranges may be combined. In other words, unless otherwise indicated, all ranges disclosed herein are to be understood to encompass any and all subranges subsumed therein. For example, a stated range from "1 to 10" should be considered to include any and all subranges between the minimum value of 1 and the maximum value of 10. Exemplary subranges of the range 1 to 10 include, but are not limited to, 1 to 6.1, 3.5 to 7.8, 5.5 to 10, and the like.
In order to solve the above problems, a first aspect of the present invention provides a novel aqueous binder for alumite, comprising the following components: tackifying resin, acrylic resin, functional resin and solvent.
In a preferred embodiment, the novel aqueous binder for the electrochemical aluminum comprises the following components in parts by weight: 10-30 parts of tackifying resin, 5-10 parts of acrylic resin, 15-30 parts of functional resin and 30-50 parts of solvent.
Tackifying resins
The tackifying resin of the invention refers to a small molecular compound capable of improving the viscosity of materials, particularly the surface viscosity. According to their source and synthetic route, they can be mainly divided into two categories of natural products and their derivatives and synthetic resins. In general, natural series resins include rosins (gum rosin, tall oil rosin, wood rosin), rosin derivatives (hydrogenated rosin, disproportionated rosin, polymerized rosin, esterified rosin, maleated rosin), and terpene resins (α -terpene resin, β -terpene resin, terpene phenolic resin); synthetic series resins include polymeric resins [ C5, C9 and C5/C9 petroleum resins, dicyclopentadiene (DCPD) resins, coumarone-indene resins, styrene series resins ] and condensation resins (alkyl phenol resins, xylene resins).
In some embodiments, the tackifying resin of the present invention is selected from the group consisting of phenolic resins, petroleum resins, rosin resins, terpene resins, aldehyde ketone resins, and modified polymers of the foregoing resins.
In a preferred embodiment, the tackifying resin of the present invention is soluble in polar environmentally friendly solvents such as alcohols and esters, and has a glass transition temperature Tg of 60 to 130 ℃.
In a preferred embodiment, the tackifying resins of the present invention comprise aldehyde ketone resins, hydrogenated C5 resins.
The ketone-aldehyde resin is a polymer formed by condensation polymerization of ketones and aldehydes, and is also called aldehyde ketone resin or polyketone resin. Generally, the unmodified ketone-aldehyde resin contains carbonyl groups in the molecular structure and hydroxyl groups at the end groups, and is a neutral and nonsaponifiable cyclohexanone-formaldehyde resin with high brightness and light resistance.
In a preferred embodiment, the aldehyde ketone resin is a product which is commercially available from the tobacco-terrace Feiteng chemical Co., Ltd and is provided with the brand number of KT-120; KT-120 is considered to have a glass transition temperature of about 75 ℃ and a hydroxyl value (mgKOH/g) of 100 to 120.
The hydroxyl value in the present invention means the number of milligrams of potassium hydroxide (KOH) corresponding to the hydroxyl group in 1g of the sample, expressed as mgKOH/g.
The hydrogenated C5 resin is prepared with cracked C5 fraction of ethylene as material and through cationic polymerization of diene and monoene in C5 component. Has better compatibility, thermal stability and light stability, thus having wider application.
In a preferred embodiment, the hydrogenated C5 resin of the present invention is a product commercially available from EASTMAN american EASTMAN chemical under the designation Regalrez 1126; regalrez 1126 is considered a product with a glass transition temperature of 67 ℃.
In a preferred embodiment, the tackifying resin of the present invention is prepared by compounding aldehyde ketone resin and hydrogenated C5 resin in a weight ratio of 1: 0.2-0.4.
The inventor of the application finds that the adhesion force of acrylic resin can be increased and the peeling force can be improved by using tackifying resin in the research process, but when the hydrogenated C5 resin is used alone, the tackifying effect is not outstanding, and the phenomena of hot stamping pattern defect, hot leakage or foaming can occur in the production process, so that in order to solve the problem, the hydrogenated rosin glyceride and the aldehyde ketone resin are compounded according to the weight ratio of 1:0.2-0.4 to obtain the tackifying resin, the problems are well solved, the adhesion performance is excellent, and in addition, as the glass transition temperatures of the hydrogenated rosin glyceride and the aldehyde ketone resin are close, the better scalding temperature can be obtained, and the back sticking phenomenon is further avoided.
Acrylic resin
The acrylic resin is prepared by copolymerizing acrylates, methacrylates and other olefinic monomers, can be synthesized into acrylic resins with different types, different performances and different application occasions by selecting different resin structures, different formulas, different production processes and different solvents, and can be divided into thermoplastic acrylic resins and thermosetting acrylic resins according to the difference of structures and film forming mechanisms. Wherein, the homopolymer of the acrylic resin comprises: poly (methyl) acrylic acid and its salt, poly (methyl) acrylate, butyl ester, polyacrylamide, polyacrylonitrile, etc.
In some embodiments, the acrylic resin of the present invention is selected from the group consisting of polyethylmethacrylate resin, poly (n-butyl acrylate) resin, polybutylmethacrylate resin, and the like, and modified polymers of the foregoing.
In a preferred embodiment, the acrylic resin of the present invention has a glass transition temperature Tg of 50 to 100 ℃ and a molecular weight Mw of 3 to 8 ten thousand.
The molecular weight Mw in accordance with the invention is the weight average molecular weight.
In a preferred embodiment, the acrylic resin of the present invention is polybutylmethacrylate.
In a preferred embodiment, the polybutylmethacrylate of the present invention is a product commercially available from Youkee chemical Co., Ltd, Guangzhou under the designation BM-60; BM-60 is considered to be a product having a glass transition temperature Tg of 75 ℃ and a molecular weight Mw of 4 ten thousand.
The inventor of the application finds that the acrylic resin is added in the research process, so that the acrylic resin not only can play a role in toughening and hardening the adhesive, but also can increase the cohesiveness of a printed object, and has a better scalding temperature.
Functional resin
In a preferred embodiment, the functional resin of the present invention is selected from one or more of polyvinyl alcohol, polyvinyl butyral, and polyvinyl formal acetaldehyde.
In a preferred embodiment, the functional resin of the present invention has a molecular weight Mw ranging from 5 to 12 ten thousand.
In a preferred embodiment, the polyvinyl alcohol resin of the present invention is a product commercially available from Colorado, Japan under the designation 117; 117 is considered to be a product with an alcoholysis degree of greater than 98% and a polymerization degree of 1700; other preferred examples of commercially available polyvinyl butyrals include, but are not limited to, Taiwan Changchun, products under the designations B-08HX, B-17 HX.
In a preferred embodiment, the weight ratio of the tackifying resin and the functional resin of the present invention is 1 (1.0-1.5).
The applicant has found in the course of research that the use of the functional resin described in the present application can further improve the adhesion of the adhesive, and the inventor speculates that the reason is that the functional resin is compatible with the tackifying resin, and can interact with the tackifying resin and the acrylic resin in the system, so that diffusion and chain entanglement occur, and the cohesion is enhanced. In addition, the inventor also finds that when the weight ratio of the tackifying resin to the functional resin is 1 (1.0-1.5), the hot stamping speed can be effectively improved, so that the production efficiency is greatly improved, and the cost is saved. The inventors speculate that a possible reason is that during stamping, the systems interact with each other such that the coefficient of friction of the surface is reduced.
Solvent(s)
In some embodiments, the organic solvent of the present invention is selected from one or more of ethyl acetate, propyl acetate, butyl acetate, acetone, methyl ethyl ketone, methyl isobutyl ketone, cyclohexanone, diisobutyl ketone, toluene, xylene, methanol, ethanol, propanol, isobutanol, ethylene glycol ethyl ether, ethylene glycol butyl ether, ethylene glycol ethyl ether acetate, propylene glycol methyl ether, and dimethyl carbonate.
In a preferred embodiment, the solvent is prepared by compounding deionized water, ethanol, acetone and ethyl acetate according to a weight ratio of 3:4:2: 1.
In a preferred embodiment, the weight ratio of the functional resin and the solvent is 1 (1.5-2).
In the course of research, the inventors of the present application found that when the solvent prepared by the above-mentioned weight ratio is used, the stamping speed can be further increased. The inventor conjectures that the solvent can effectively promote the dissolution of the resin, the system has better heat transfer performance, more particularly has suitable stripping force capable of meeting the requirement of high-speed round-pressing hot stamping, and when the weight ratio of the functional resin to the solvent is 1 (1.5-2), the invention not only has better hot stamping speed, but also has lower VOCs content and is more environment-friendly.
The second aspect of the invention provides a preparation method of a novel water-based adhesive for electrochemical aluminum, which comprises the following steps:
(1) heating ethanol to 50 ℃, adding the tackifying resin into a container under the condition of stirring speed of 400-;
(2) heating ethanol to 50 ℃, adding acrylic resin into a container under the condition of stirring speed of 500-800 r/min, increasing the stirring speed to 1000-1200 r/min, and stirring at constant temperature of 50 ℃ until the acrylic resin is completely dissolved to prepare an acrylic resin solution;
(3) heating ethanol to 50 ℃, adding the functional resin into a container under the condition of stirring speed of 500-;
(4) and uniformly stirring the tackifying resin solution, the acrylic resin solution, the functional resin solution and the solvent to obtain the novel water-based adhesive for the electrochemical aluminum.
The present invention will now be described in detail by way of examples, and the starting materials used are commercially available unless otherwise specified.
Examples
Example 1
Embodiment 1 provides a novel aqueous binder for electrochemical aluminum, comprising the following components: 10 parts of tackifying resin, 5 parts of acrylic resin, 15 parts of functional resin and 30 parts of solvent.
The tackifying resin is obtained by compounding aldehyde ketone resin and hydrogenated C5 resin according to the weight ratio of 1: 0.2; the aldehyde ketone resin is a product which is commercially available from Nicotiana Feiteng chemical Co., Ltd and is of a brand number of KT-120; the hydrogenated C5 resin is a product commercially available from EASTMAN american EASTMAN chemical under the designation Regalrez 1126.
The acrylic resin is polybutylmethacrylate; the polybutylmethacrylate is a product commercially available from Youzhou Youko chemical Co., Ltd under the brand name BM-60.
The functional resin is polyvinyl butyral which is a product commercially available from Taiwan Changchun and has a brand number of B-08 HX.
The solvent is prepared by compounding deionized water, ethanol, acetone and ethyl acetate according to the weight ratio of 3:4:2: 1.
The preparation method of the novel water-based adhesive for the electrochemical aluminum comprises the following steps:
(1) heating ethanol to 50 ℃, adding tackifying resin into a container under the condition of stirring speed of 400 revolutions per minute, increasing the stirring speed to 800 revolutions per minute, and stirring at constant temperature of 50 ℃ until the tackifying resin is completely dissolved to prepare tackifying resin solution;
(2) heating ethanol to 50 ℃, adding acrylic resin into a container under the condition of stirring speed of 500 revolutions per minute, increasing the stirring speed to 1000 revolutions per minute, and stirring at constant temperature of 50 ℃ until the acrylic resin is completely dissolved to prepare an acrylic resin solution;
(3) heating ethanol to 50 ℃, adding the functional resin into a container under the condition of stirring speed of 500 revolutions per minute, increasing the stirring speed to 1000 revolutions per minute, and stirring at constant temperature of 50 ℃ until the functional resin is completely dissolved to prepare a functional resin solution;
(4) and uniformly stirring the tackifying resin solution, the acrylic resin solution, the functional resin solution and the solvent to obtain the novel water-based adhesive for the electrochemical aluminum.
Example 2
Embodiment 2 provides a novel aqueous binder for electrochemical aluminum, comprising the following components: 30 parts of tackifying resin, 10 parts of acrylic resin, 30 parts of functional resin and 50 parts of solvent.
The tackifying resin is obtained by compounding aldehyde ketone resin and hydrogenated C5 resin according to the weight ratio of 1: 0.3; the aldehyde ketone resin is a product which is commercially available from Nicotiana Feiteng chemical Co., Ltd and is of a brand number of KT-120; the hydrogenated C5 resin is a product commercially available from EASTMAN american EASTMAN chemical under the designation Regalrez 1126.
The acrylic resin is polybutylmethacrylate; the polybutylmethacrylate is a product commercially available from Youzhou Youko chemical Co., Ltd under the brand name BM-60.
The functional resin is polyvinyl butyral which is a product which is commercially available from Taiwan Changchun and has the brand number of B-17 HX.
The solvent is prepared by compounding deionized water, ethanol, acetone and ethyl acetate according to the weight ratio of 3:4:2: 1.
The preparation method of the novel water-based adhesive for the electrochemical aluminum comprises the following steps:
(1) heating ethanol to 50 ℃, adding tackifying resin into a container under the condition of stirring speed of 600 revolutions per minute, increasing the stirring speed to 1000 revolutions per minute, and stirring at constant temperature of 50 ℃ until the tackifying resin is completely dissolved to prepare tackifying resin solution;
(2) heating ethanol to 50 ℃, adding acrylic resin into a container under the condition of stirring speed of 800 revolutions per minute, increasing the stirring speed to 1200 revolutions per minute, and stirring at constant temperature of 50 ℃ until the acrylic resin is completely dissolved to prepare acrylic resin solution;
(3) heating ethanol to 50 ℃, adding the functional resin into a container under the condition of stirring speed of 800 revolutions per minute, increasing the stirring speed to 1200 revolutions per minute, and stirring at constant temperature of 50 ℃ until the functional resin is completely dissolved to prepare a functional resin solution;
(4) and uniformly stirring the tackifying resin solution, the acrylic resin solution, the functional resin solution and the solvent to obtain the novel water-based adhesive for the electrochemical aluminum.
Example 3
Embodiment 3 provides a novel aqueous binder for electrochemical aluminum, comprising the following components: 12 parts of tackifying resin, 6 parts of acrylic resin, 18 parts of functional resin and 35 parts of solvent.
The tackifying resin is obtained by compounding aldehyde ketone resin and hydrogenated C5 resin according to the weight ratio of 1: 0.4; the aldehyde ketone resin is a product which is commercially available from Nicotiana Feiteng chemical Co., Ltd and is of a brand number of KT-120; the hydrogenated C5 resin is a product commercially available from EASTMAN american EASTMAN chemical under the designation Regalrez 1126.
The acrylic resin is polybutylmethacrylate; the polybutylmethacrylate is a product commercially available from Youzhou Youko chemical Co., Ltd under the brand name BM-60.
The functional resin is polyvinyl butyral which is a product which is commercially available from Taiwan Changchun and has the brand number of B-17 HX.
The solvent is prepared by compounding deionized water, ethanol, acetone and ethyl acetate according to the weight ratio of 3:4:2: 1.
The preparation method of the novel aqueous binder for the electrochemical aluminum is the same as that of the example 1.
Example 4
Embodiment 4 provides a novel aqueous binder for electrochemical aluminum, comprising the following components: 22 parts of tackifying resin, 9 parts of acrylic resin, 25 parts of functional resin and 45 parts of solvent.
The tackifying resin is obtained by compounding aldehyde ketone resin and hydrogenated C5 resin according to the weight ratio of 1: 0.3; the aldehyde ketone resin is a product which is commercially available from Nicotiana Feiteng chemical Co., Ltd and is of a brand number of KT-120; the hydrogenated C5 resin is a product commercially available from EASTMAN american EASTMAN chemical under the designation Regalrez 1126.
The acrylic resin is polybutylmethacrylate; the polybutylmethacrylate is a product commercially available from Youzhou Youko chemical Co., Ltd under the brand name BM-60.
The functional resin is polyvinyl alcohol, a product commercially available from clony, japan under the designation 117.
The solvent is prepared by compounding deionized water, ethanol, acetone and ethyl acetate according to the weight ratio of 3:4:2: 1.
The preparation method of the novel aqueous binder for the electrochemical aluminum is the same as that of the example 1.
Example 5
Embodiment 5 provides a novel aqueous binder for electrochemical aluminum, comprising the following components: 17 parts of tackifying resin, 7 parts of acrylic resin, 21 parts of functional resin and 39 parts of solvent.
The tackifying resin is obtained by compounding aldehyde ketone resin and hydrogenated C5 resin according to the weight ratio of 1: 0.3; the aldehyde ketone resin is a product which is commercially available from Nicotiana Feiteng chemical Co., Ltd and is of a brand number of KT-120; the hydrogenated C5 resin is a product commercially available from EASTMAN american EASTMAN chemical under the designation Regalrez 1126.
The acrylic resin is polybutylmethacrylate; the polybutylmethacrylate is a product commercially available from Youzhou Youko chemical Co., Ltd under the brand name BM-60.
The functional resin is polyvinyl alcohol, a product commercially available from clony, japan under the designation 117.
The solvent is prepared by compounding deionized water, ethanol, acetone and ethyl acetate according to the weight ratio of 3:4:2: 1.
The preparation method of the novel aqueous binder for the electrochemical aluminum is the same as that of the example 1.
Comparative example 1
Comparative example 1 provides a novel aqueous binder for alumite, comprising the following components: 1 part of tackifying resin, 7 parts of acrylic resin, 21 parts of functional resin and 39 parts of solvent.
The tackifying resin is obtained by compounding aldehyde ketone resin and hydrogenated C5 resin according to the weight ratio of 1: 0.3; the aldehyde ketone resin is a product which is commercially available from Nicotiana Feiteng chemical Co., Ltd and is of a brand number of KT-120; the hydrogenated C5 resin is a product commercially available from EASTMAN american EASTMAN chemical under the designation Regalrez 1126.
The acrylic resin is polybutylmethacrylate; the polybutylmethacrylate is a product commercially available from Youzhou Youko chemical Co., Ltd under the brand name BM-60.
The functional resin is polyvinyl alcohol, a product commercially available from clony, japan under the designation 117.
The solvent is prepared by compounding deionized water, ethanol, acetone and ethyl acetate according to the weight ratio of 3:4:2: 1.
The preparation method of the novel aqueous binder for the electrochemical aluminum is the same as that of the example 1.
Comparative example 2
Comparative example 2 provides a novel aqueous binder for alumite, comprising the following components: 50 parts of tackifying resin, 7 parts of acrylic resin, 21 parts of functional resin and 39 parts of solvent.
The tackifying resin is obtained by compounding aldehyde ketone resin and hydrogenated C5 resin according to the weight ratio of 1: 0.3; the aldehyde ketone resin is a product which is commercially available from Nicotiana Feiteng chemical Co., Ltd and is of a brand number of KT-120; the hydrogenated C5 resin is a product commercially available from EASTMAN american EASTMAN chemical under the designation Regalrez 1126.
The acrylic resin is polybutylmethacrylate; the polybutylmethacrylate is a product commercially available from Youzhou Youko chemical Co., Ltd under the brand name BM-60.
The functional resin is polyvinyl alcohol, a product commercially available from clony, japan under the designation 117.
The solvent is prepared by compounding deionized water, ethanol, acetone and ethyl acetate according to the weight ratio of 3:4:2: 1.
The preparation method of the novel aqueous binder for the electrochemical aluminum is the same as that of the example 1.
Comparative example 3
Comparative example 3 provides a novel aqueous binder for alumite, comprising the following components: 17 parts of tackifying resin, 7 parts of acrylic resin, 2 parts of functional resin and 39 parts of solvent.
The tackifying resin is obtained by compounding aldehyde ketone resin and hydrogenated C5 resin according to the weight ratio of 1: 0.3; the aldehyde ketone resin is a product which is commercially available from Nicotiana Feiteng chemical Co., Ltd and is of a brand number of KT-120; the hydrogenated C5 resin is a product commercially available from EASTMAN american EASTMAN chemical under the designation Regalrez 1126.
The acrylic resin is polybutylmethacrylate; the polybutylmethacrylate is a product commercially available from Youzhou Youko chemical Co., Ltd under the brand name BM-60.
The functional resin is polyvinyl alcohol, a product commercially available from clony, japan under the designation 117.
The solvent is prepared by compounding deionized water, ethanol, acetone and ethyl acetate according to the weight ratio of 3:4:2: 1.
The preparation method of the novel aqueous binder for the electrochemical aluminum is the same as that of the example 1.
Comparative example 4
Comparative example 4 provides a novel aqueous binder for alumite, comprising the following components: 17 parts of tackifying resin, 7 parts of acrylic resin, 50 parts of functional resin and 39 parts of solvent.
The tackifying resin is obtained by compounding aldehyde ketone resin and hydrogenated C5 resin according to the weight ratio of 1: 0.3; the aldehyde ketone resin is a product which is commercially available from Nicotiana Feiteng chemical Co., Ltd and is of a brand number of KT-120; the hydrogenated C5 resin is a product commercially available from EASTMAN american EASTMAN chemical under the designation Regalrez 1126.
The acrylic resin is polybutylmethacrylate; the polybutylmethacrylate is a product commercially available from Youzhou Youko chemical Co., Ltd under the brand name BM-60.
The functional resin is polyvinyl alcohol, a product commercially available from clony, japan under the designation 117.
The solvent is prepared by compounding deionized water, ethanol, acetone and ethyl acetate according to the weight ratio of 3:4:2: 1.
The preparation method of the novel aqueous binder for the electrochemical aluminum is the same as that of the example 1.
Comparative example 5
Comparative example 5 provides a novel aqueous binder for alumite, comprising the following components: 17 parts of tackifying resin, 7 parts of acrylic resin, 21 parts of functional resin and 10 parts of solvent.
The tackifying resin is obtained by compounding aldehyde ketone resin and hydrogenated C5 resin according to the weight ratio of 1: 0.3; the aldehyde ketone resin is a product which is commercially available from Nicotiana Feiteng chemical Co., Ltd and is of a brand number of KT-120; the hydrogenated C5 resin is a product commercially available from EASTMAN american EASTMAN chemical under the designation Regalrez 1126.
The acrylic resin is polybutylmethacrylate; the polybutylmethacrylate is a product commercially available from Youzhou Youko chemical Co., Ltd under the brand name BM-60.
The functional resin is polyvinyl alcohol, a product commercially available from clony, japan under the designation 117.
The solvent is prepared by compounding deionized water, ethanol, acetone and ethyl acetate according to the weight ratio of 3:4:2: 1.
The preparation method of the novel aqueous binder for the electrochemical aluminum is the same as that of the example 1.
Comparative example 6
Comparative example 6 provides a novel aqueous binder for alumite, comprising the following components: 17 parts of tackifying resin, 7 parts of acrylic resin, 21 parts of functional resin and 70 parts of solvent.
The tackifying resin is obtained by compounding aldehyde ketone resin and hydrogenated C5 resin according to the weight ratio of 1: 0.3; the aldehyde ketone resin is a product which is commercially available from Nicotiana Feiteng chemical Co., Ltd and is of a brand number of KT-120; the hydrogenated C5 resin is a product commercially available from EASTMAN american EASTMAN chemical under the designation Regalrez 1126.
The acrylic resin is polybutylmethacrylate; the polybutylmethacrylate is a product commercially available from Youzhou Youko chemical Co., Ltd under the brand name BM-60.
The functional resin is polyvinyl alcohol, a product commercially available from clony, japan under the designation 117.
The solvent is prepared by compounding deionized water, ethanol, acetone and ethyl acetate according to the weight ratio of 3:4:2: 1.
The preparation method of the novel aqueous binder for the electrochemical aluminum is the same as that of the example 1.
Comparative example 7
Comparative example 7 provides a novel aqueous binder for alumite, comprising the following components: 17 parts of tackifying resin, 7 parts of acrylic resin, 21 parts of functional resin and 39 parts of solvent.
The tackifying resin is aldehyde ketone resin, and is a product which is commercially available from tobacco terrace Feiteng chemical Co., Ltd and has the brand number of KT-120.
The acrylic resin is polybutylmethacrylate; the polybutylmethacrylate is a product commercially available from Youzhou Youko chemical Co., Ltd under the brand name BM-60.
The functional resin is polyvinyl alcohol, a product commercially available from clony, japan under the designation 117.
The solvent is prepared by compounding deionized water, ethanol, acetone and ethyl acetate according to the weight ratio of 3:4:2: 1.
The preparation method of the novel aqueous binder for the electrochemical aluminum is the same as that of the example 1.
Comparative example 8
Comparative example 8 provides a novel aqueous binder for alumite, comprising the following components: 17 parts of tackifying resin, 7 parts of acrylic resin, 21 parts of functional resin and 39 parts of solvent.
The tackifying resin is obtained by compounding aldehyde ketone resin and hydrogenated C5 resin according to the weight ratio of 1: 0.3; the aldehyde ketone resin is a product which is commercially available from Nicotiana Feiteng chemical Co., Ltd and is of a brand number of KT-120; the hydrogenated C5 resin is a product commercially available from EASTMAN american EASTMAN chemical under the designation Regalrez 1126.
The acrylic resin is polybutylmethacrylate; the polybutylmethacrylate is a product commercially available from Youzhou Youko chemical Co., Ltd under the brand name BM-60.
The functional resin is polyvinyl alcohol, a product commercially available from clony, japan under the designation 105, and has a degree of polymerization of 500.
The solvent is prepared by compounding deionized water, ethanol, acetone and ethyl acetate according to the weight ratio of 3:4:2: 1.
The preparation method of the novel aqueous binder for the electrochemical aluminum is the same as that of the example 1.
Evaluation of Performance
Adhesive coating: the adhesive is coated on the non-gummed alumite film, and the coating dry weight is controlled to be 1.2 +/-0.1 g/m2The finished product of the electrochemical aluminum is obtained, and the finished product of the electrochemical aluminum is modified to carry out the following tests.
1. Testing the integrity of the hot stamping: the back of the material to be hot stamped is irradiated by using a 3W high-light flashlight, hot stamping patterns are observed from the front of hot stamping, and the hot stamping method is superior to the method of no missed hot stamping, no incomplete hot stamping, no foaming paste and the like, and is superior to the method of light missed hot stamping, slight incomplete hot stamping or slight foaming paste and the like.
2. And (3) testing the adhesive force: and sticking the hot stamping patterns subjected to online hot stamping by using a 3M600 adhesive tape, vertically and quickly stripping at 90 degrees, wherein the qualified condition is that the stripping area is not more than 5 percent, and the unqualified condition is that the stripping area is more than 5 percent.
3. Testing the hot stamping speed: tested using a bronzing press of pantoprazole switzerland.
Testing of VOCs: the test is carried out according to the combined headspace-gas chromatography/mass spectrometry method for determining the solvent residue in the YC/T207-2014 cigarette paper.
TABLE 1
Claims (4)
1. The aqueous binding agent for the electrochemical aluminum is characterized by comprising the following components in parts by weight: 10-30 parts of tackifying resin, 5-10 parts of acrylic resin, 15-30 parts of functional resin and 30-50 parts of solvent; the glass transition temperature Tg of the tackifying resin is 60-130 ℃; the tackifying resin comprises aldehyde ketone resin and hydrogenated C5 resin; the glass transition temperature Tg of the acrylic resin is 50-100 ℃, and the molecular weight Mw is 3-8 ten thousand; the functional resin is selected from one or more of polyvinyl alcohol, polyvinyl butyral and polyvinyl formal acetaldehyde; the molecular weight Mw of the functional resin is 5-12 ten thousand; the weight ratio of the functional resin to the solvent is 1 (1.5-2).
2. The aqueous binder for electrochemical aluminum according to claim 1, wherein the weight ratio of the aldehyde ketone resin and the hydrogenated C5 resin is 1: 0.2-0.4.
3. The aqueous binder for electrochemical aluminum according to claim 1, wherein the acrylic resin is selected from the group consisting of polyethyl methacrylate resin, poly (n-butyl acrylate) resin, polybutyl methacrylate resin, and modified polymers of the above resins.
4. A method for preparing an aqueous binder for electrochemical aluminium according to claim 1, characterized in that the steps comprise:
(1) heating ethanol to 50 ℃, adding the tackifying resin into a container under the condition of stirring speed of 400-;
(2) heating ethanol to 50 ℃, adding acrylic resin into a container under the condition of stirring speed of 500-800 r/min, increasing the stirring speed to 1000-1200 r/min, and stirring at constant temperature of 50 ℃ until the acrylic resin is completely dissolved to prepare an acrylic resin solution;
(3) heating ethanol to 50 ℃, adding the functional resin into a container under the condition of stirring speed of 500-;
(4) and uniformly stirring the tackifying resin solution, the acrylic resin solution, the functional resin solution and the solvent to obtain the aqueous adhesive for the electrochemical aluminum.
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