CN110003824B - Color-changing transparent liquid glue and preparation method thereof - Google Patents
Color-changing transparent liquid glue and preparation method thereof Download PDFInfo
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- CN110003824B CN110003824B CN201910366456.2A CN201910366456A CN110003824B CN 110003824 B CN110003824 B CN 110003824B CN 201910366456 A CN201910366456 A CN 201910366456A CN 110003824 B CN110003824 B CN 110003824B
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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
-
- 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
- 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
- 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
- C09J139/00—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 a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen; Adhesives based on derivatives of such polymers
- C09J139/04—Homopolymers or copolymers of monomers containing heterocyclic rings having nitrogen as ring member
- C09J139/06—Homopolymers or copolymers of N-vinyl-pyrrolidones
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
-
- 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)
Abstract
The invention relates to a color-changing transparent liquid adhesive, which adopts water as a solvent, ensures the environmental protection of products, utilizes the respective bonding characteristics, steric hindrance, molecular structure and different molecular sizes of different water-based bonding materials, forms a complex network structure which is mutually influenced and interpenetrated with solvent water, is compositely modified into a composite bonding material system with properties, improves the bonding property, the quick-drying property and the dry film stain resistance of the material, meanwhile, the dry film is soft and transparent, the shrinkage rate difference of different materials is reduced until the materials disappear, the defect that the bonding part wrinkles after being dried is overcome, the reticular base material system is stabilized and solidified by adding the PH value regulator for modification, the reticular mutually-wrapped structure is ensured to be strengthened, stabilized and solidified by controlling the pH value, and the color-changing pigment is ensured to be uniformly developed and distributed in the system and to be fully dissolved and uniformly distributed with the glue system by adding the PH value stabilizer; the dry glue is kept flat on the paper by adding polyacrylonitrile and polymethyl methacrylate.
Description
Technical Field
The invention belongs to the technical field of glue preparation, and relates to a color-changing transparent liquid glue and a preparation method thereof.
Background
The existing office liquid glue has the advantages that the product is single, the product is aged, when the glue is coated and used, sometimes the glue exceeds a bonding area, the color of the glue is inconsistent with the color of a peripheral bonding material after the glue is dried, the attractiveness is affected, the glue is easy to wrinkle due to different shrinkage rates of different materials after the glue is dried, the exposed glue layer is easy to absorb moisture in a humid environment, partial viscosity is recovered, dust is easy to adsorb, the pasting part is easy to dirty, the glue is in a colorless and transparent appearance, only the use function is realized, the decoration function is omitted, pigment is added to obtain a beautiful appearance, but the dried glue has residual color, new defects are increased, and the demand of modern people on stationery development-usability, decoration and the like, And (4) a toy property.
Therefore, there is a need to develop a liquid adhesive which has good bonding strength, is easy and convenient to use, has beautiful appearance and is colorless and transparent after being dried.
Disclosure of Invention
The technical scheme adopted by the invention for solving the technical problems is as follows: providing a color-changing transparent liquid glue, wherein the raw materials comprise the following components in percentage by weight: 0.25-0.3% of preservative BIT; 10-15% of polyvinylpyrrolidone; 10-12% of polyvinyl alcohol; 5-8% of soluble starch; 0.1-0.3% of sodium hydroxide; 3.5-4% of triethanolamine; 2-3% of a pH stabilizer AMP-95; 1.5-2% of o-cresolphthalein; the balance of deionized water; the sum of the above components is 100%.
As a preferred embodiment of the invention, the raw materials comprise the following components in percentage by weight: 0.25-0.3% of preservative BIT; 10-15% of polyvinylpyrrolidone; 10-12% of polyvinyl alcohol; 5-8% of soluble starch; 0.1-0.3% of sodium hydroxide; 3.5-4% of triethanolamine; 2-3% of a pH stabilizer AMP-95; 0.03-0.05% of polyacrylonitrile; 0.05-0.08% of polymethyl methacrylate; 1.5-2% of o-cresolphthalein; the balance of deionized water; the sum of the above components is 100%.
In another aspect of the present invention, a preparation method of the color-changing transparent liquid glue is provided:
(1) adding deionized water and preservative BIT into a reaction kettle, stirring uniformly, adding polyvinylpyrrolidone, polyvinyl alcohol and soluble starch, mixing and dissolving;
(2) sealing the vacuum kettle, starting a vacuumizing device, and slowly dropwise adding sodium hydroxide and triethanolamine serving as pH value regulators;
(3) removing vacuum, recovering normal pressure, introducing protective nitrogen into the reaction kettle, heating, adding a pH stabilizer AMP-95, and stably modifying the pH value at high temperature for a period of time;
(4) and after the stable modification is finished, cooling to return to normal temperature, adding the color-changing pigment o-cresolphthalein, stirring and mixing uniformly, and after the reaction is finished, preparing the color-changing transparent liquid glue.
As a preferred embodiment of the present invention, the stirring time in step (1) is 15-20min, the rotation speed is 300-500r/min, and the stirring is performed at a constant temperature of 30-45 ℃.
As a preferred embodiment of the present invention, the mixing time in step (1) is 8-10min, the rotation speed is 500-800r/min, and the mixing is carried out at a constant temperature of 25-30 ℃.
As a preferred embodiment of the invention, the slow dropping in the step (2) is completed within 30-40 min.
As a preferred embodiment of the present invention, in step (2), the pH regulator sodium hydroxide and triethanolamine are mixed at 70-80 deg.C and 300-500r/min for 4-5min before being added.
As a preferred embodiment of the invention, after the step (2), dropping polyacrylonitrile and polymethyl methacrylate into a vacuum kettle, raising the temperature to 200 ℃, stirring for 8-10min at the rotation speed of 1000-1200r/min, and then lowering the temperature to 30-35 ℃.
As a preferred embodiment of the present invention, the heating temperature in the step (3) is 70 to 80 ℃.
As a preferred embodiment of the present invention, the stirring speed in step (4) is 200-250r/min, and the time is 3-5 min.
The invention has the beneficial effects that:
the color-changing transparent liquid adhesive is a product which is manufactured by adopting strictly selected raw materials meeting various safety standards of the United states, Europe and the like and is packaged into a whole by an adhesive, a packaging container and an appearance. The adhesive has beautiful appearance, transparent color and good adhesive property, is suitable for bonding and adhering various paper materials, has the function of indicating and positioning when small-area and small articles are used and adhered, has soft adhesive film after the adhesive is dried, is transparent, does not influence the appearance, and does not cause paper deformation due to tightening. The adhesive has good adhesive force, high drying speed, long adhesion time, no cracking and no falling, is safe and environment-friendly, has no stimulation to human bodies, can be used at ease, is mainly suitable for bonding and pasting various paper materials, can also be used for bonding or temporarily positioning the paper materials and other material materials, and is suitable for office use and handicraft manufacture.
Detailed Description
The simple process flow for producing and manufacturing the color-changing transparent liquid glue comprises the following steps: raw material purchase → raw material inspection → raw material warehousing → adhesive manufacturing → adhesive inspection → adhesive filling → semi-finished product inspection → adhesive packaging → finished product inspection → finished product warehousing → finished product ex-warehouse.
The color-changing transparent liquid glue has the advantages of wide raw material source, low price, easy obtainment, convenient purchase, universal equipment, simple process, convenient operation and general technical requirements. The production cycle is short, the efficiency is high, and the productivity is high; the product is simple, easy and convenient to package, and the storage requirement is general.
The present invention will be further described with reference to specific examples, but the scope of the present invention is not limited to these examples.
Example 1
The preparation method of the color-changing transparent liquid glue comprises the following steps:
checking whether related production equipment such as a reaction kettle and the like is normal or not at normal temperature, adding 67.15% of water and 0.25% of preservative BIT into the reaction kettle after the detection is qualified, stirring for 15-20min under the conditions of 30-45 ℃ and 500r/min, uniformly stirring, adding 10% of polyvinylpyrrolidone, 10% of polyvinyl alcohol and 5% of soluble starch, mixing for 8-10min at 25-30 ℃ and 800r/min to dissolve and modify completely, sealing the vacuum kettle, starting a vacuumizing device, maintaining a certain vacuum degree, starting to slowly dropwise add 0.1% of sodium hydroxide and 3.5% of triethanolamine serving as pH value regulators, mixing for 4-5min at the temperature of 70-80 ℃ and the rotation speed of 300 r/min before dropwise adding, and finishing dropwise adding for 30-40 min, after the addition, the modification is carried out in a vacuum state, after the modification is carried out at normal temperature, the vacuum is removed and the normal pressure is recovered, protective nitrogen is filled into a reaction kettle, the temperature is increased to about 70-80 ℃, 2 percent of PH stabilizer AMP-95 is added, the PH value is stably modified for a period of time at high temperature, after the stable modification is finished, the temperature is reduced and the normal temperature is recovered, 2 percent of color-changing pigment o-cresolphthalein is added, after the uniform mixing reaction is finished by stirring at 250r/min for 200-5 min, a unique color-changing liquid glue is obtained, and the special color-changing liquid glue has the characteristics of good bonding strength, simple and convenient use, beautiful appearance, colorless and transparent after drying and the like. Strict operation and production specification are required. Irregular production and loose technological operation are easy to cause quality accidents and produce unqualified products.
Example 2
The preparation method of the color-changing transparent liquid glue comprises the following steps:
checking whether related production equipment such as a reaction kettle and the like is normal or not at normal temperature, adding 67.15% of water and 0.25% of preservative BIT into the reaction kettle after the detection is qualified, stirring for 15-20min under the conditions of 30-45 ℃ and 500r/min, uniformly stirring, adding 10% of polyvinylpyrrolidone, 10% of polyvinyl alcohol and 5% of soluble starch, mixing for 8-10min at 25-30 ℃ and 800r/min to dissolve and modify completely, sealing the vacuum kettle, starting a vacuumizing device, maintaining a certain vacuum degree, starting to slowly dropwise add 0.1% of sodium hydroxide and 3.5% of triethanolamine serving as pH value regulators, mixing for 4-5min at the temperature of 70-80 ℃ and the rotation speed of 300 r/min before dropwise adding, and finishing dropwise adding for 30-40 min, after the addition, the modification is carried out in a vacuum state, polyacrylonitrile and polymethyl methacrylate are dropwise added into a vacuum kettle, the temperature is increased to 200 ℃, the stirring is carried out for 8-10min under the condition that the rotating speed is 1000-plus 1200r/min, then the temperature is reduced to 30-35 ℃, the vacuum is removed after the modification is carried out by adjusting at normal temperature, the normal pressure is recovered, protective nitrogen is filled into the reaction kettle, the temperature is increased to about 70-80 ℃, a PH stabilizer AMP-95 is added, the amount of 2% is 2%, the PH value is stably modified at high temperature for a period of time, after the stable modification is finished, the temperature is reduced to normal temperature, a color-changing pigment, namely, o-cresolphthalein 2%, 200-plus 250r/min is added, the stirring is carried out for 3-5min, and after the uniform reaction is finished, the unique color-changing liquid glue can be obtained, and has the characteristics of good bonding strength, simple and convenient use, beautiful appearance, colorless and transparent after drying and the like. Strict operation and production specification are required. Irregular production and loose technological operation are easy to cause quality accidents and produce unqualified products.
The using method comprises the following steps:
1. cleaning and drying the surface to be adhered to remove pollutants such as moisture, grease, dust and the like;
2. and (3) coating a small amount of glue on the adhered surface by adopting a dot-shaped or strip-shaped gluing mode, immediately attaching another material to be adhered, fully contacting the glue with the adhered surface, and naturally drying the glue to achieve full adhesion.
3. When a small area or a small object is pasted, firstly, a pasting area is determined, glue is carefully coated in the determined pasting area, the glue is applied to the determined pasting area as much as possible, and materials needing to be bonded are pasted immediately after the glue is applied. It does not matter if the designated area is carelessly coated, and the glue film is colorless and transparent after the glue is dried.
Product performance comparison summary table
In summary, the color-changing liquid adhesive adopts water as a solvent, ensures the environmental protection of the product, utilizes the respective bonding characteristics, steric hindrance, molecular structure and molecular size of different water-based bonding materials, forms a complex network structure which is mutually influenced and interpenetrated with solvent water, is compositely modified into a composite bonding material system with properties, improves the bonding property, the quick-drying property and the dry film stain resistance of the material, meanwhile, the dry film is soft and transparent, the shrinkage rate difference of different materials is reduced until the materials disappear, the defect that the bonding part wrinkles after being dried is overcome, the reticular base material system is stabilized and solidified by adding the PH value regulator for modification, the reticular mutually-wrapped structure is ensured to be strengthened, stabilized and solidified by controlling the pH value, and the color-changing pigment is ensured to be uniformly developed and distributed in the system and to be fully dissolved and uniformly distributed with the glue system by adding the PH value stabilizer; the dry glue is kept flat on the paper by adding polyacrylonitrile and polymethyl methacrylate. When the glue is used, after the water is completely volatilized, a glue color development system is damaged, the color-changing pigment is free out of the system and does not form a system with uniform color distribution with the system, and the function of color fading after drying is achieved.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (2)
1. Transparent liquid glue discolours, its characterized in that: the raw materials comprise the following components in percentage by weight: 0.25-0.3% of preservative BIT; 10-15% of polyvinylpyrrolidone; 10-12% of polyvinyl alcohol; 5-8% of soluble starch; 0.1-0.3% of sodium hydroxide; 3.5-4% of triethanolamine; 2-3% of a pH stabilizer AMP-95; 0.03-0.05% of polyacrylonitrile; 0.05-0.08% of polymethyl methacrylate; 1.5-2% of o-cresolphthalein; the balance of deionized water; the sum of the above components is 100%.
2. The preparation method of the color-changing transparent liquid glue is characterized by comprising the following steps:
(1) adding deionized water and preservative BIT into a reaction kettle, stirring uniformly, adding polyvinylpyrrolidone, polyvinyl alcohol and soluble starch, mixing and dissolving, wherein the stirring time is 15-20min, the rotating speed is 300-800 r/min, the stirring is carried out at the constant temperature of 30-45 ℃, the mixing time is 8-10min, the rotating speed is 500-800r/min, and the mixing is carried out at the constant temperature of 25-30 ℃;
(2) closing the vacuum kettle, starting a vacuumizing device, and starting to slowly dropwise add sodium hydroxide and triethanolamine serving as pH value regulators, wherein the dropwise adding is completed within 30-40 min, and the sodium hydroxide and triethanolamine serving as the pH value regulators are mixed for 4-5min at the temperature of 70-80 ℃ and the rotating speed of 300-500r/min before dropwise adding; dropping polyacrylonitrile and polymethyl methacrylate into a vacuum kettle, heating to 200 ℃, stirring for 8-10min at the rotation speed of 1000-1200r/min, and then cooling to 30-35 ℃;
(3) removing vacuum, recovering normal pressure, introducing protective nitrogen into the reaction kettle, heating, adding a pH stabilizer AMP-95, and stably modifying for a period of time, wherein the heating temperature is 70-80 ℃;
and after the stable modification is finished, cooling to the normal temperature, adding the color-changing pigment o-cresolphthalein, stirring and mixing uniformly, and after the reaction is finished, preparing the color-changing transparent liquid adhesive, wherein the stirring speed is 200-250r/min, and the time is 3-5 min.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910366456.2A CN110003824B (en) | 2019-05-05 | 2019-05-05 | Color-changing transparent liquid glue and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910366456.2A CN110003824B (en) | 2019-05-05 | 2019-05-05 | Color-changing transparent liquid glue and preparation method thereof |
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| CN110003824A CN110003824A (en) | 2019-07-12 |
| CN110003824B true CN110003824B (en) | 2021-11-02 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102134460A (en) * | 2011-02-25 | 2011-07-27 | 浙江大学宁波理工学院 | Blue solid glue stick with color being changed after application and preparation method thereof |
| CN108359402A (en) * | 2018-04-04 | 2018-08-03 | 江苏兴达文具集团有限公司 | Strength transparent solid glue material and preparation method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009012667A1 (en) * | 2009-03-13 | 2010-09-30 | Henkel Ag & Co. Kgaa | Glue stick with superabsorbers |
| CN102161847A (en) * | 2011-02-25 | 2011-08-24 | 浙江大学宁波理工学院 | Color-changeable correction glue stick and preparation method thereof |
| CN107400475A (en) * | 2017-09-19 | 2017-11-28 | 宁波百仕高联合工业有限公司 | A kind of environment-friendly type PVA solid gums and preparation method thereof |
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2019
- 2019-05-05 CN CN201910366456.2A patent/CN110003824B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102134460A (en) * | 2011-02-25 | 2011-07-27 | 浙江大学宁波理工学院 | Blue solid glue stick with color being changed after application and preparation method thereof |
| CN108359402A (en) * | 2018-04-04 | 2018-08-03 | 江苏兴达文具集团有限公司 | Strength transparent solid glue material and preparation method thereof |
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