CN110343491B - Water-resistant crystal plastic trademark adhesive and preparation method thereof - Google Patents
Water-resistant crystal plastic trademark adhesive and preparation method thereof Download PDFInfo
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- CN110343491B CN110343491B CN201810282943.6A CN201810282943A CN110343491B CN 110343491 B CN110343491 B CN 110343491B CN 201810282943 A CN201810282943 A CN 201810282943A CN 110343491 B CN110343491 B CN 110343491B
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- polyvinyl alcohol
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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
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
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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
- C09J11/02—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
- 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
- C09J129/02—Homopolymers or copolymers of unsaturated alcohols
- C09J129/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
-
- 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides a water-resistant crystal plastic trademark adhesive which is prepared from the following raw materials in parts by weight: 18-23 parts of modified polyvinyl alcohol, 5-6 parts of urea, 0.3-0.6 part of defoaming agent, 2-3 parts of modified starch, 2-3 parts of cross-linking agent, 0.1-0.4 part of preservative, 1-5 parts of kaolin and 65-75 parts of water.
Description
Technical Field
The invention relates to a trademark adhesive, in particular to a water-resistant crystal plastic trademark adhesive and a preparation method thereof.
Background
At present, most of trademark glue on the market is prepared from soybean protein and casein, but with the rise of the prices of the soybean protein and the casein, the requirements on the performance of the product are more comprehensive. People adopt modified polyvinyl alcohol as a raw material for preparing trademark glue. However, in the prior art, the solid content of the trademark glue which takes the modified polyvinyl alcohol as the raw material is lower than 30 percent, the purity is unstable, and all indexes can not meet the requirements, thereby restricting the development of the modified polyvinyl alcohol to the trademark glue industry.
The prior art Chinese patent CN106753064A discloses a modified polyvinyl alcohol water-resistant trademark adhesive, which adopts modified polyvinyl alcohol as a raw material, but does not give the specific characteristics of the modified polyvinyl alcohol; in practicability, the labeling is easy to bulge and wrinkle because of low solid content ratio; moreover, the pH value of the trademark glue prepared by the patent can only achieve the water-resistant effect, but can not achieve the crystal transparent effect, and the prepared trademark has poor adhesiveness, and can not meet the problems of high requirements on the existing market, trademark adaptability and the like.
Disclosure of Invention
The invention aims to provide a water-resistant crystal plastic trademark glue and a preparation method thereof, the prepared trademark glue is transparent in crystal, water-resistant and easy to adhere, has strong trademark applicability and low cost in subsequent cleaning, and can simultaneously meet and replace the quality requirements of casein glue and common modified polyvinyl alcohol.
Based on the purpose, the invention provides a water-resistant crystal plastic trademark adhesive which is prepared from the following raw materials in parts by weight: 18-23 parts of modified polyvinyl alcohol, 5-6 parts of urea, 0.3-0.6 part of defoaming agent, 2-3 parts of modified starch, 2-3 parts of cross-linking agent, 0.1-0.4 part of preservative, 1-5 parts of kaolin and 65-75 parts of water.
Further, the crystal plastic water-resistant trademark glue is composed of the following raw materials in parts by weight: 19-21 parts of modified polyvinyl alcohol, 5-5.5 parts of urea, 0.4-0.6 part of defoaming agent, 2-2.5 parts of modified starch, 2-2.5 parts of cross-linking agent, 0.1-0.2 part of preservative, 1-2 parts of kaolin and 68-71 parts of water.
Further, the crystal plastic water-resistant trademark glue is composed of the following raw materials in parts by weight: 20 parts of modified polyvinyl alcohol, 5 parts of urea, 0.5 part of defoaming agent, 2.5 parts of modified starch, 2.5 parts of cross-linking agent, 0.1 part of preservative, 1 part of kaolin and 70 parts of water.
Wherein the urea plays a role in dispersion; the kaolin solves the problem of difficult drying of the plastic label caused by incapability of absorbing water and impermeability, plays a role in drying, and accelerates the drying of the label; the modified starch has thickening effect, and makes the colloid transparent, so that the crystal marking line is not too obvious.
Furthermore, the viscosity number of the modified polyvinyl alcohol is 24-32, the alcohol content is 99.5, and the ash content is less than 0.5. The modified polyvinyl alcohol adopted by the invention has small particle size, 99.5 alcohol content, less than 0.5 ash content, low methanol content, 24-32 viscosity value, increased viscosity, improved water resistance and easy water solubility at high temperature.
Further, the defoaming agent is tributyl phosphate. The defoamer reduces foam during colloid use.
Further, the cross-linking agent is modified polyamine resin. The water-soluble cation modified polyamine resin improves the water resistance and the adhesive force of the surface tension base material.
Further, the preservative is potassium sorbate. The preservative prolongs the storage period, and the food-grade preservative is safe and environment-friendly.
A preparation method of the crystal plastic water-resistant trademark glue comprises the following steps:
preparing the raw materials of the water-resistant crystal plastic trademark glue in parts by weight, adding water into a reactor, stirring and heating to 30-35 ℃; adding modified polyvinyl alcohol and stirring for 10-20 min; adding modified starch, and stirring for 10-20 min; adding defoaming agent, stirring for 20-30min, heating to 60-70 deg.C, adding urea, keeping the temperature for 20min, adding kaolin, heating to 90-95 deg.C, cooling to 70-80 deg.C, adding crosslinking agent, and keeping the temperature for 30 min; cooling to 60-70 deg.C, adding antiseptic, and keeping the temperature for 20 min.
The invention has the beneficial effects that:
the trademark glue prepared by the invention can meet the requirements of paper trademarks and crystal plastic trademarks, is transparent, achieves the long-acting water-resistant effect, and can meet the high requirement of wine industry on labeling quality.
The label adhesive disclosed by the invention is softer in performance, cannot cause label tearing phenomenon, has strong adaptability to aluminum foil, copper plate label paper and the like, and is suitable for labeling machines of 18000-.
The high-molecular active modified polyvinyl alcohol adopted by the invention has the advantage that the speed of absorbing water is accelerated when the bottle washing temperature reaches about 60 ℃; when the temperature is increased to 80 ℃, the label paper begins to fall off, the glue on the old bottle can be cleaned by matching a small amount of alkali liquor with a small amount of auxiliary agent or adding no auxiliary agent, and the soaking time of the old bottle is reduced, so that the bottle washing cost and the bottle washing energy consumption are reduced.
The trademark glue prepared by the invention is strong in environmental protection, non-toxic and odorless, solves the problem of ammonia water in the existing casein glue, and is safe and non-irritant to people.
The product of the invention is a water-based system, can not burn when contacting with fire, and has no volatilization of combustible gas.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to specific embodiments below.
Example 1
The water-resistant crystal plastic trademark adhesive consists of the following raw materials in parts by weight: 18 parts of modified polyvinyl alcohol, 5 parts of urea, 0.3 part of defoaming agent, 2 parts of modified starch, 2 parts of crosslinking agent, 0.1 part of preservative, 1 part of kaolin and 65 parts of water.
The preparation method comprises the following steps: adding water into a reactor, stirring and heating to 30 ℃; adding modified polyvinyl alcohol and stirring for 10 min; adding modified starch, and stirring for 10 min; adding defoaming agent, stirring for 20min, heating to 60 deg.C, adding urea, maintaining the temperature for 20min, adding kaolin, heating to 90 deg.C, cooling to 70 deg.C, adding crosslinking agent, and maintaining the temperature for 30 min; cooling to 60 deg.C, adding antiseptic, and keeping the temperature for 20 min.
Example 2
The water-resistant crystal plastic trademark adhesive consists of the following raw materials in parts by weight: 23 parts of modified polyvinyl alcohol, 6 parts of urea, 0.6 part of defoaming agent, 3 parts of modified starch, 3 parts of crosslinking agent, 0.4 part of preservative, 5 parts of kaolin and 75 parts of water.
The preparation method comprises the following steps: adding water into a reactor, stirring and heating to 35 ℃; adding modified polyvinyl alcohol and stirring for 20 min; adding modified starch, and stirring for 20 min; adding defoaming agent, stirring for 30min, heating to 70 deg.C, adding urea, keeping the temperature for 20min, adding kaolin, heating to 95 deg.C, cooling to 80 deg.C, adding crosslinking agent, and keeping the temperature for 30 min; cooling to 70 deg.C, adding antiseptic, and keeping the temperature for 20 min.
Example 3
The water-resistant crystal plastic trademark adhesive consists of the following raw materials in parts by weight: 19 parts of modified polyvinyl alcohol, 5.5 parts of urea, 0.4 part of defoaming agent, 2.5 parts of modified starch, 2.5 parts of cross-linking agent, 0.2 part of preservative, 2 parts of kaolin and 71 parts of water.
The preparation method comprises the following steps: adding water into a reactor, stirring and heating to 30 ℃; adding modified polyvinyl alcohol and stirring for 10 min; adding modified starch, and stirring for 10 min; adding defoaming agent, stirring for 20min, heating to 60 deg.C, adding urea, maintaining the temperature for 20min, adding kaolin, heating to 95 deg.C, cooling to 80 deg.C, adding crosslinking agent, and maintaining the temperature for 30 min; cooling to 60 deg.C, adding antiseptic, and keeping the temperature for 20 min.
Example 4
The crystal plastic water-resistant trademark adhesive is prepared from the following raw materials in parts by weight: 20 parts of modified polyvinyl alcohol, 5 parts of urea, 0.5 part of defoaming agent, 2.5 parts of modified starch, 2.5 parts of cross-linking agent, 0.1 part of preservative, 1 part of kaolin and 70 parts of water.
The preparation method comprises the following steps: adding water into a reactor, stirring and heating to 30 ℃; adding modified polyvinyl alcohol and stirring for 10 min; adding modified starch, and stirring for 10 min; adding defoaming agent, stirring for 20min, heating to 60 deg.C, adding urea, maintaining the temperature for 20min, adding kaolin, heating to 95 deg.C, cooling to 80 deg.C, adding crosslinking agent, and maintaining the temperature for 30 min; cooling to 60 deg.C, adding antiseptic, and keeping the temperature for 20 min.
Example 5
The trademark glue prepared in example 4 is used to test the technical indexes of the trademark glue for bottle bodies and water temperatures with different temperatures at about 8 ℃ in the properties of initial drying, final drying, water resistance, label removing property and the like, as shown in table 1 below:
TABLE 1 initial drying, final drying, water resistance and label removing property of trademark glue under different conditions
Therefore, the drying speed of the trademark glue bottle body prepared by the invention is high at 24 ℃; the highest water resistance can reach more than or equal to 15 days at normal temperature, and the bottle is easy to clean and fall off in the aspect of bottle washing.
Example 6
The properties of casein glue, the trademark glue (NM-01) prepared in example 4 and the conventional modified polyvinyl alcohol glue are compared:
compared with casein glue and common modified polyvinyl alcohol glue, the trademark glue prepared by the invention has the advantages that the glue is more uniform, no mechanical impurities exist, the glue is transparent, the trademark glue is suitable for a labeling machine of 18000 and 70000 bottles per hour, the glue has no obvious pungent smell, the problem of ammonia water in the conventional casein glue is solved, and the trademark glue is good in water resistance.
Those of ordinary skill in the art will understand that: the invention is not to be considered as limited to the specific embodiments thereof, but is to be understood as being modified in all respects, all changes and equivalents that come within the spirit and scope of the invention.
Claims (6)
1. The crystal plastic water-resistant trademark adhesive is characterized by being prepared from the following raw materials in parts by weight: 18-23 parts of modified polyvinyl alcohol, 5-6 parts of urea, 0.3-0.6 part of defoaming agent, 2-3 parts of modified starch, 2-3 parts of cross-linking agent, 0.1-0.4 part of preservative, 1-5 parts of kaolin and 65-75 parts of water;
the viscosity value of the modified polyvinyl alcohol is 24-32;
the crystal plastic water-resistant trademark glue is prepared by the following method: adding water into a reactor, stirring and heating to 30-35 ℃; adding modified polyvinyl alcohol and stirring for 10-20 min; adding modified starch, and stirring for 10-20 min; adding defoaming agent, stirring for 20-30min, heating to 60-70 deg.C, adding urea, keeping the temperature for 20min, adding kaolin, heating to 90-95 deg.C, cooling to 70-80 deg.C, adding crosslinking agent, and keeping the temperature for 30 min; and cooling to 60-70 ℃, adding a preservative, and keeping the temperature for 20min to obtain the crystal plastic water-resistant trademark glue.
2. The crystal plastic water-resistant trademark glue according to claim 1, is characterized by being prepared from the following raw materials in parts by weight: 19-21 parts of modified polyvinyl alcohol, 5-5.5 parts of urea, 0.4-0.6 part of defoaming agent, 2-2.5 parts of modified starch, 2-2.5 parts of cross-linking agent, 0.1-0.2 part of preservative, 1-2 parts of kaolin and 68-71 parts of water.
3. The crystal plastic water-resistant trademark glue according to claim 1, characterized in that: the feed is prepared from the following raw materials in parts by weight: 20 parts of modified polyvinyl alcohol, 5 parts of urea, 0.5 part of defoaming agent, 2.5 parts of modified starch, 2.5 parts of cross-linking agent, 0.1 part of preservative, 1 part of kaolin and 70 parts of water.
4. The crystal plastic water-resistant trademark glue according to any one of claims 1 to 3, characterized in that: the defoaming agent is tributyl phosphate.
5. The crystal plastic water-resistant trademark glue according to any one of claims 1 to 3, characterized in that: the cross-linking agent is modified polyamine resin.
6. The crystal plastic water-resistant trademark glue according to any one of claims 1 to 3, characterized in that: the preservative is potassium sorbate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810282943.6A CN110343491B (en) | 2018-04-02 | 2018-04-02 | Water-resistant crystal plastic trademark adhesive and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810282943.6A CN110343491B (en) | 2018-04-02 | 2018-04-02 | Water-resistant crystal plastic trademark adhesive and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN110343491A CN110343491A (en) | 2019-10-18 |
| CN110343491B true CN110343491B (en) | 2021-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810282943.6A Active CN110343491B (en) | 2018-04-02 | 2018-04-02 | Water-resistant crystal plastic trademark adhesive and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106753064A (en) * | 2016-12-21 | 2017-05-31 | 李晓慧 | Modified water-tolerant polyvinyl alcohol trade mark adhesive and preparation method thereof |
| CN106833439A (en) * | 2017-03-14 | 2017-06-13 | 武汉市华林粘合剂有限公司 | A kind of environmentally friendly paper tube adhesive and preparation method thereof |
| CN107345120A (en) * | 2017-06-14 | 2017-11-14 | 安徽友捷包装材料有限公司 | A kind of Quick-drying type starch tackiness agent and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7993483B2 (en) * | 2008-04-29 | 2011-08-09 | Oel Chemical & Supplies, Inc. | Corrugated paperboard and adhesive |
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2018
- 2018-04-02 CN CN201810282943.6A patent/CN110343491B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106753064A (en) * | 2016-12-21 | 2017-05-31 | 李晓慧 | Modified water-tolerant polyvinyl alcohol trade mark adhesive and preparation method thereof |
| CN106833439A (en) * | 2017-03-14 | 2017-06-13 | 武汉市华林粘合剂有限公司 | A kind of environmentally friendly paper tube adhesive and preparation method thereof |
| CN107345120A (en) * | 2017-06-14 | 2017-11-14 | 安徽友捷包装材料有限公司 | A kind of Quick-drying type starch tackiness agent and preparation method thereof |
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| Publication number | Publication date |
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| CN110343491A (en) | 2019-10-18 |
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