CN114106763A - Environment-friendly aqueous laminating glue and preparation method thereof - Google Patents
Environment-friendly aqueous laminating glue and preparation method thereof Download PDFInfo
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- CN114106763A CN114106763A CN202111662191.4A CN202111662191A CN114106763A CN 114106763 A CN114106763 A CN 114106763A CN 202111662191 A CN202111662191 A CN 202111662191A CN 114106763 A CN114106763 A CN 114106763A
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- water
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- laminating glue
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- 239000003292 glue Substances 0.000 title claims abstract description 37
- 238000010030 laminating Methods 0.000 title claims description 29
- 238000002360 preparation method Methods 0.000 title claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 71
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims abstract description 45
- 239000000839 emulsion Substances 0.000 claims abstract description 15
- 229920005749 polyurethane resin Polymers 0.000 claims abstract description 15
- 239000000843 powder Substances 0.000 claims abstract description 12
- 239000000080 wetting agent Substances 0.000 claims abstract description 12
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 11
- 238000003756 stirring Methods 0.000 claims description 43
- 238000002156 mixing Methods 0.000 claims description 10
- 239000000126 substance Substances 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 230000008033 biological extinction Effects 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 abstract description 22
- 230000001070 adhesive effect Effects 0.000 abstract description 22
- 239000002904 solvent Substances 0.000 abstract description 16
- 238000001035 drying Methods 0.000 abstract description 10
- 239000011248 coating agent Substances 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000007547 defect Effects 0.000 description 6
- 230000007613 environmental effect Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000013530 defoamer Substances 0.000 description 2
- -1 ethylene-ethylene Chemical group 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 239000012855 volatile organic compound Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229920000180 alkyd Polymers 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000004205 dimethyl polysiloxane Substances 0.000 description 1
- 229920001038 ethylene copolymer Polymers 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007603 infrared drying Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 229920006313 waterborne resin Polymers 0.000 description 1
- 239000013035 waterborne resin Substances 0.000 description 1
Classifications
-
- 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
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
-
- 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
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Laminated Bodies (AREA)
Abstract
The application provides environment-friendly water-based bonding glue which comprises 30-32% of EVA emulsion, 39-41% of water-based polyurethane resin, 4-6% of propylene glycol, 18-22% of pure water, 0.5-1% of water-based wetting agent, 0.5-1% of defoaming agent and 2-3% of matting powder, by selecting EVA emulsion with high adhesive force and aqueous polyurethane resin with high weather resistance as main bodies, through the high-concentration propylene glycol with low volatility and reasonable formula proportion, no solvent harmful to human bodies is added in the production process, the water-based adhesive has the advantages of strong adhesiveness, quick drying, low residual smell, no solvent volatilization, high and low temperature resistance and good weather resistance. When the coating is coated on an adhesive, the adhesive fastness of the product can be improved.
Description
Technical Field
The invention belongs to the technical field of polymer printing ink, and particularly relates to environment-friendly water-based laminating glue and a preparation method thereof.
Background
Currently, the adhesive mainly comprises a solvent type adhesive, wherein a resin component is dissolved in a solvent to endow the adhesive with fluidity, and the adhesive becomes an adhesive which is absorbed by an adherend to realize adhesion through volatilization of the solvent. The product has the advantages of convenient use, high bonding strength and low price, but has the defects of great harm to the environment and constructors due to the volatilization of a large amount of the accompanying solvent, and simultaneously, the adhered object has toxicity and harmfulness due to the adoption of a large amount of toxic and harmful substances. With the continuous development of society, the problems of food packaging environmental protection and health safety are widely concerned, so that the water-based polyurethane laminating glue has the advantages of no additive, no volatile solvent, safety, environmental protection, high and low temperature resistance and the like. However, the currently available water-based laminating glue has the problems of poor adhesion to film materials and slow drying, so that new products are urgently needed to solve the problems.
Disclosure of Invention
The invention provides the water-based laminating glue with the advantages of strong adhesiveness, quick drying, low residual smell, no solvent volatilization, high and low temperature resistance and good weather resistance, and aims to overcome the defects of large smell, poor environmental protection and great harm to human bodies of the existing solvent-based laminating glue and overcome the defects of poor adhesive force and slow drying of the existing water-based laminating glue.
The invention also aims to provide a preparation method of the environment-friendly water-based laminating glue.
The environment-friendly aqueous laminating glue comprises the following components in percentage by weight: 30-32% of EVA emulsion, 39-41% of waterborne polyurethane resin, 4-6% of propylene glycol, 18-22% of pure water, 0.5-1% of waterborne wetting agent, 0.5-1% of defoaming agent and 2-3% of matting powder.
Preferably, the EVA emulsion adopts a product with a large chemical model DA-102, is used as an adhesive of an aqueous system, is a milky-white water solution alkyd ethylene-ethylene copolymer emulsion without a plasticizer, has the solid content of 55 +/-2 percent, the viscosity of 2500-.
Preferably, the waterborne polyurethane resin adopts national bang GSB8574 or GSB8213, the solid content is 40 +/-2%, the viscosity (25 ℃) is less than 800CPS, the pH value is 8-9, the waterborne polyurethane resin has the advantages of good flexibility, high drying speed, good chemical resistance and weather resistance, good adhesive force and anti-sticking property, and good compatibility with solvents such as waterborne resin, propylene glycol and the like.
Preferably, the propylene glycol is a Nanjing Hetian chemical product, the concentration reaches 99.9%, the alcohol has the advantages of high concentration, low release of VOCs, good dilutability, quick drying and the like, and can be mixed with water and dissolve waterborne polyurethane.
Preferably, the delustering powder is Degussa OK520, has low oil absorption, does not influence the adhesive force, has good delustering property and improves the resin fluidity.
Preferably, the defoamer is digao 825, is an organic silicon defoamer, does not contain VOC, and has good defoaming performance and no influence on transparency.
Preferably, the aqueous wetting agent comprises a leveling agent BYK-346, the chemical component is a polyether modified polydimethylsiloxane solution which is an organosilicon surface auxiliary agent, the surface tension of a gloss oil system can be reduced, particularly the wettability of a substrate can be improved, shrinkage cavity is prevented, and the surface smoothness and gloss are improved.
Preferably, the pure water is purified water.
The preparation method of the environment-friendly water-based laminating glue comprises the following steps:
s1: putting the EVA emulsion, the water-based polyurethane resin, the pure water and the propylene glycol into a container, and stirring and mixing uniformly;
s2: adding the aqueous wetting agent, the defoaming agent and the flatting powder, and stirring and mixing uniformly;
s3: filtering with 150 mesh gauze after stirring.
Preferably, the stirring time of step S1 is 15-18 minutes, the stirring speed is 1500-1800 rpm, the stirring conditions are 45-55 ℃, and the pressure is normal pressure.
Preferably, the stirring time of step S2 is 5-8 minutes, the stirring speed is 500-800 rpm, the stirring condition is 45-55 ℃, and the pressure and the normal pressure are realized.
Compared with the prior art, the invention has the following advantages:
the application provides environment-friendly water-based bonding glue which comprises 30-32% of EVA emulsion, 39-41% of water-based polyurethane resin, 4-6% of propylene glycol, 18-22% of pure water, 0.5-1% of water-based wetting agent, 0.5-1% of defoaming agent and 2-3% of matting powder, by selecting EVA emulsion with high adhesive force and aqueous polyurethane resin with high weather resistance as main bodies, through the high-concentration propylene glycol with low volatility and reasonable formula proportion, no solvent harmful to human bodies is added in the production process, the water-based adhesive has the advantages of strong adhesiveness, quick drying, low residual smell, no solvent volatilization, high and low temperature resistance and good weather resistance. When the coating is coated on an adhesive, the adhesive fastness of the product can be improved.
According to the preparation method of the environment-friendly aqueous laminating glue, the prepared aqueous laminating glue has the advantages of strong adhesiveness, high drying speed, low residual odor, no solvent volatilization, high and low temperature resistance and good weather resistance, and can well overcome the defects of the existing products in the market. The defects of large smell, poor environmental protection and great harm to human bodies of the existing solvent type laminating glue are solved, and the defects of poor adhesive force and slow drying of the existing water-based laminating glue are also solved.
Detailed Description
The following describes a specific embodiment of the present invention with reference to specific examples 1 to 3 and comparative examples:
example 1:
a preparation method of environment-friendly water-based laminating glue comprises the following steps:
s1: preparing the components according to the parts by weight in the table 1, putting EVA emulsion, water-based polyurethane resin, pure water and propylene glycol into a container, stirring and mixing uniformly, wherein the stirring time is 16 minutes, the stirring speed is 1800 rpm, the stirring condition is 50 ℃, and the pressure is normal pressure;
s2: then adding the water-based wetting agent, the defoaming agent and the flatting powder, and stirring and mixing uniformly for 5 minutes at the stirring speed of 800 revolutions per minute under the stirring condition of 50 ℃ and normal pressure;
s3: filtering with 150 mesh gauze after stirring.
Example 2:
a preparation method of environment-friendly water-based laminating glue comprises the following steps:
s1: preparing the components according to the parts by weight in the table 1, putting EVA emulsion, water-based polyurethane resin, pure water and propylene glycol into a container, stirring and mixing uniformly, wherein the stirring time is 15 minutes, the stirring speed is 1700 revolutions per minute, the stirring condition is 55 ℃, and the pressure is normal pressure;
s2: then adding the water-based wetting agent, the defoaming agent and the flatting powder, and stirring and mixing uniformly, wherein the stirring time is 8 minutes, the stirring speed is 500 revolutions per minute, and the stirring condition is 55 ℃ and normal pressure;
s3: filtering with 150 mesh gauze after stirring.
Example 3:
a preparation method of environment-friendly water-based laminating glue comprises the following steps:
s1: preparing the components according to the parts by weight in the table 1, putting EVA emulsion, water-based polyurethane resin, pure water and propylene glycol into a container, stirring and mixing uniformly, wherein the stirring time is 18 minutes, the stirring speed is 1500 revolutions per minute, the stirring condition is 45 ℃, and the pressure is normal pressure;
s2: then adding the water-based wetting agent, the defoaming agent and the flatting powder, and stirring and mixing uniformly for 6 minutes at the stirring speed of 700 revolutions per minute under the stirring condition of 45 ℃ and normal pressure;
s3: filtering with 150 mesh gauze after stirring.
Table 1: weight ratio of Environment-friendly Water-based laminating glue of embodiments 1 to 3
| Components | Example 1 | Example 2 | Example 3 |
| EVA emulsion DA-102 | 32.00％ | 30.00％ | 31.00％ |
| Aqueous polyurethane resin | 40.00％ | 41.00％ | 39.00％ |
| Propylene glycol | 5.00％ | 6.00％ | 4.00％ |
| Pure water | 20.00％ | 18.00％ | 22.00％ |
| Wetting agent BYK346 | 0.50％ | 1.00％ | 1.00％ |
| DIH 825 defoaming agent | 0.50％ | 1.00％ | 0.50％ |
| Extinction powder OK520 | 2.00％ | 3.00％ | 2.50％ |
The application of the water-based adhesive is that the water-based adhesive prepared in the embodiment is applied to 8 base materials (PVC, PET, PC and paper) by adopting screen printing (40-60 meshes), the curing speed is more than or equal to 35M/min (infrared drying curing, 90-100 ℃), and then performance testing is carried out, wherein the test items and the test results are shown in Table 2:
table 2: and (3) performance test results:
the test results in table 2 show that the water-based adhesive obtained in the embodiment of the present invention has the advantages of strong adhesion, fast drying, low residual odor, no solvent volatilization, high and low temperature resistance, and good weather resistance, and can replace the traditional solvent-based adhesive.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. The environment-friendly water-based laminating glue is characterized by comprising the following components in percentage by weight: 30-32% of EVA emulsion, 39-41% of waterborne polyurethane resin, 4-6% of propylene glycol, 18-22% of pure water, 0.5-1% of waterborne wetting agent, 0.5-1% of defoaming agent and 2-3% of matting powder.
2. The environment-friendly water-based laminating glue water-based glue water solution is characterized in that: the EVA emulsion has the model of Dalian chemical DA-102, the solid content of 55 +/-2 percent, the viscosity of 2500-3800mPa & s and the pH value of 4.5-6.5.
3. The environment-friendly water-based laminating glue water-based glue water solution is characterized in that: the solid content of the waterborne polyurethane resin is 40 +/-2%, the viscosity (25 ℃) is less than 800CPS, and the pH value is 8-6.9.
4. The environment-friendly water-based laminating glue water-based glue water solution is characterized in that: the concentration of the propylene glycol is more than or equal to 99.9 percent.
5. The environment-friendly water-based laminating glue water-based glue water solution is characterized in that: the extinction powder is Degussa OK 520.
6. The environment-friendly water-based laminating glue water-based glue water solution is characterized in that: the antifoaming agent is digao 825.
7. The environment-friendly water-based laminating glue water-based glue water solution is characterized in that: the water-based wetting agent is BYK-346.
8. The preparation method of the environment-friendly water-based laminating glue water of any one of claims 1 to 7, characterized by comprising the following steps:
s1: putting the EVA emulsion, the water-based polyurethane resin, the pure water and the propylene glycol into a container, and stirring and mixing uniformly;
s2: adding the aqueous wetting agent, the defoaming agent and the flatting powder, and stirring and mixing uniformly;
s3: filtering with 150 mesh gauze after stirring.
9. The preparation method of the environment-friendly water-based laminating glue water according to claim 8, characterized in that: the stirring time of the step S1 is 15-18 minutes, the stirring speed is 1500-1800 rpm, the stirring condition is 45-55 ℃, and the pressure is normal pressure.
10. The preparation method of the environment-friendly water-based laminating glue water according to claim 8, characterized in that: the stirring time of step S2 is 5-8 minutes, the stirring speed is 500-800 rpm, the stirring condition is 45-55 ℃, and the pressure is normal pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111662191.4A CN114106763A (en) | 2021-12-30 | 2021-12-30 | Environment-friendly aqueous laminating glue and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111662191.4A CN114106763A (en) | 2021-12-30 | 2021-12-30 | Environment-friendly aqueous laminating glue and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114106763A true CN114106763A (en) | 2022-03-01 |
Family
ID=80363710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111662191.4A Pending CN114106763A (en) | 2021-12-30 | 2021-12-30 | Environment-friendly aqueous laminating glue and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114106763A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102604561A (en) * | 2012-01-18 | 2012-07-25 | 滨州职业学院 | Aqueous adhesive and preparation method thereof |
| CN106590506A (en) * | 2016-12-08 | 2017-04-26 | 万华化学集团股份有限公司 | Waterborne vacuum plastic-absorbing glue and preparing method thereof |
-
2021
- 2021-12-30 CN CN202111662191.4A patent/CN114106763A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102604561A (en) * | 2012-01-18 | 2012-07-25 | 滨州职业学院 | Aqueous adhesive and preparation method thereof |
| CN106590506A (en) * | 2016-12-08 | 2017-04-26 | 万华化学集团股份有限公司 | Waterborne vacuum plastic-absorbing glue and preparing method thereof |
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Application publication date: 20220301 |