CN108410392B - Glue for water-based spray glue, water-based spray glue and preparation method thereof - Google Patents
Glue for water-based spray glue, water-based spray glue and preparation method thereof Download PDFInfo
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- CN108410392B CN108410392B CN201810287349.6A CN201810287349A CN108410392B CN 108410392 B CN108410392 B CN 108410392B CN 201810287349 A CN201810287349 A CN 201810287349A CN 108410392 B CN108410392 B CN 108410392B
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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
- C09J111/00—Adhesives based on homopolymers or copolymers of chloroprene
- C09J111/02—Latex
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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
- C09J11/08—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
- C09J133/00—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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
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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
- C09J157/00—Adhesives based on unspecified polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C09J157/02—Copolymers of mineral oil hydrocarbons
-
- 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
- C09J193/00—Adhesives based on natural resins; Adhesives based on derivatives thereof
- C09J193/04—Rosin
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/16—Halogen-containing compounds
- C08K2003/162—Calcium, strontium or barium halides, e.g. calcium, strontium or barium chloride
-
- 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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2312/00—Crosslinking
Abstract
The invention provides water-based glue for glue spraying, which comprises, by weight, 70-80 parts of neoprene latex, 5-10 parts of rosin emulsion, 5-10 parts of carbon five petroleum resin, 5-10 parts of acrylic emulsion, 1-5 parts of polyethylenimine crosslinking agent and 1-2 parts of pH regulator. The water-based glue for spraying glue has the advantages that the compatibility of carbon five petroleum resin and rosin emulsion of the water-based glue for spraying glue is good, the polyaziridine cross-linking agent and acrylic emulsion can perform cross-linking reaction, so that the water-based glue for spraying has the advantages of large initial adhesion, high curing speed and the like, and the problems of small initial adhesion, slow curing and the like when the water-based glue for spraying is used for rough surface materials such as wood, leather and the like, smooth surface materials such as plastics, glass steel and the like and smooth surface materials such as plastics, glass steel and the like are solved.
Description
Technical Field
The invention relates to the technical field of glue spraying, in particular to glue for water-based glue spraying, water-based glue spraying and a preparation method thereof.
Background
The spray glue is an adhesive which can tightly connect two different substances and has the function of transferring application, and is widely applied to furniture, leather and decoration industries. The spray glue on the market at present mainly takes oily spray glue as a main component, and the oily spray glue contains a large amount of organic solvents, such as toluene and chlorinated solvents, and even contains carcinogenic components such as benzene. The organic solvents enter air, the living environment of people is seriously influenced, the health of people is damaged, and the oily glue spraying also has the problems of flammability and explosiveness, so that fire is frequently caused.
The water-based neoprene spraying adhesive which can replace oil-based spraying adhesive is one of the development directions of the adhesive industry due to the advantages of environmental protection, no harm to human health, no toxicity, no odor and the like. However, the applicant of the present invention found that when the water-based neoprene adhesive is used in the furniture manufacturing process, the sponge and other materials are adhered to the surface of other materials in a bent manner, and the elastic phenomenon occurs, mainly because the initial adhesion force of the water-based neoprene adhesive is not enough to resist the restoring force of the sponge and other materials, and after the water-based neoprene adhesive is sprayed on the surface of other materials, the sponge and other materials are required to be air-dried for a period of time to perform the adhering operation with high difficulty and high stress, which reduces the operation efficiency of workers.
Therefore, the improvement of the existing formula of the water-based neoprene spraying adhesive is urgently needed to overcome the defects of small initial adhesion, slow curing and difficult application to smooth materials such as plastics, glass fiber reinforced plastics and the like.
Disclosure of Invention
The invention aims to provide glue for water-based glue spraying, water-based glue spraying and a preparation method thereof, so as to overcome the defects that the existing water-based neoprene glue spraying is small in initial adhesion, slow in curing and difficult to be used for smooth materials such as plastics, glass fiber reinforced plastics and the like.
In order to achieve the purpose, the invention provides water-based glue for glue spraying, which comprises, by weight, 70-80 parts of neoprene latex, 5-10 parts of rosin emulsion, 5-10 parts of carbon five petroleum resin, 5-10 parts of acrylic emulsion, 1-5 parts of polyethylenimine crosslinking agent and 1-2 parts of pH regulator.
Also provides a water-based spray adhesive containing the glue and a demulsifier for the water-based spray adhesive and a preparation method thereof.
Compared with the prior art, the water-based glue for glue spraying is characterized in that the carbon five petroleum resin, the polyaziridine cross-linking agent and the pH regulator are added on the basis of the neoprene latex, the rosin emulsion and the acrylic emulsion, and the carbon five petroleum resin and the rosin emulsion have good compatibility, so that the water-based glue prepared from the water-based glue for glue spraying and the demulsifier has excellent tackifying performance, the initial adhesion of the water-based glue for glue spraying can be obviously improved, the wettability of the water-based glue for glue spraying and smooth materials such as plastics, glass steel and the like can be greatly enhanced, and the water-based glue for glue spraying and the smooth materials such as plastics, glass steel and the like have good bonding effect; the polyethylenimine cross-linking agent and the acrylic emulsion can generate cross-linking reaction, and the adhesive force of the water-based spray adhesive and surface smooth materials such as plastics, glass fiber reinforced plastics and the like can be improved; the pH regulator is used for regulating the pH of the glue for water-based glue spraying to enable the neoprene emulsion to be in a stable critical state, the neoprene emulsion can be demulsified rapidly under the action of the demulsifier, the water-based glue spraying is solidified almost instantly, and has large adhesive force, so that rough surface materials such as wood, leather and the like, smooth surface materials such as plastic, glass fiber reinforced plastic and the like, and smooth surface materials such as plastic, glass fiber reinforced plastic and the like can be bonded together tightly, and the neoprene glue is particularly suitable for mutually bonding high-difficulty high-stress between sponge, wood and leather such as bending bonding.
Detailed Description
In order to explain the technical contents and structural features of the present invention in detail, the following description is given with reference to the embodiments.
The glue for the water-based glue spraying comprises, by weight, 70-80 parts of neoprene latex, 5-10 parts of rosin emulsion, 5-10 parts of carbon five petroleum resin, 5-10 parts of acrylic emulsion, 1-5 parts of polyaziridine cross-linking agent and 1-2 parts of pH regulator. Specifically, the acrylic emulsion, the rosin emulsion, and the hydrocarbon resin may be an ionized emulsion.
Preferably, the composition also comprises 1-3 parts of boric acid. Specifically, boric acid is nuclear industrial grade, 800 meshes, and can promote the complexing reaction of various raw materials and metal ions in the water-based glue for glue spraying, so that the bonding strength is obviously improved.
Preferably, the pH adjusting agent is selected from one or more of glycine, acetic acid and citric acid. Specifically, the pH of the aqueous glue for glue spraying is adjusted to be within the range of 9-10 by a pH regulator.
The water-based glue spraying is two components, wherein the component A comprises a glue component, the component B comprises a demulsifier, and the glue component is water for water-based glue spraying.
Preferably, the demulsifier comprises 10-20 parts of calcium chloride and 80-90 parts of water.
A preparation method of water-based spray glue comprises the following steps:
weighing neoprene latex, rosin emulsion, carbon five petroleum resin, acrylic emulsion, polyethylenimine crosslinking agent and pH regulator according to the proportion;
b, mixing and stirring the components weighed in the step a to obtain a glue component; specifically, stirring for 60min at a stirring speed of 400r/min, and adding water to dilute the viscosity of the glue component in the step a according to actual requirements;
and c, mixing and stirring the calcium chloride and the water to obtain the demulsifier. Specifically, the mixture was stirred at a stirring speed of 500r/min for 60 min.
The following examples will explain the aqueous spray glue of the present invention, the aqueous spray glue and the method for producing the same in detail, and the reagents used therein are commercially available.
The formulations of the aqueous spray formulations of the examples and comparative examples are shown in table 1:
TABLE 1 aqueous spray glue formulation (parts by weight)
Preparation of the aqueous spray gels of example 1 and comparative example 1:
weighing neoprene latex, rosin emulsion, carbon five petroleum resin, acrylic emulsion, polyethylenimine crosslinking agent, pH regulator, calcium chloride and water according to the proportion, wherein the pH regulator is glycine, and the carbon five petroleum resin is not contained in the comparative example 1;
b, mixing and stirring neoprene latex, rosin emulsion, carbon penta petroleum resin, acrylic acid emulsion and polyethylenimine crosslinking agent, adjusting the pH value with glycine to be within the range of 9-10, and then stirring for 60min at the stirring speed of 400r/min to prepare the water-based glue (component A) for glue spraying;
and c, mixing the calcium chloride and water to obtain a demulsifier, and stirring at the stirring speed of 500r/min for 60min to obtain the demulsifier (component B).
The component A and the component B of the aqueous spray glue prepared according to the mixture ratio of the example 1 and the comparative example 1 are respectively filled into storage containers communicated with different nozzles of a double-nozzle spray gun and are simultaneously sprayed on a bonding interface of a bent sponge and wood.
Preparation of the aqueous spray gels of example 2 and comparative example 2:
weighing neoprene latex, rosin emulsion, carbon penta petroleum resin, acrylic emulsion, polyethylenimine crosslinking agent, boric acid, pH regulator, calcium chloride and water according to the proportion, wherein the pH regulator is acetic acid, and the polyethylenimine crosslinking agent is not used in the comparative example 2;
b, mixing and stirring neoprene latex, rosin emulsion, carbon penta petroleum resin, acrylic acid emulsion, polyethylenimine crosslinking agent and boric acid, adjusting the pH value with acetic acid to be within the range of 9-10, and then stirring for 60min at the stirring speed of 400r/min to prepare the water-based glue (component A) for glue spraying;
and c, mixing the calcium chloride and water to obtain a demulsifier, and stirring at the stirring speed of 500r/min for 60min to obtain the demulsifier (component B).
The component A and the component B of the aqueous spray glue prepared according to the mixture ratio of the embodiment 2 and the comparative example 2 are respectively filled into storage containers communicated with different nozzles of a double-nozzle spray gun and are simultaneously sprayed on a bonding interface of bent leather and plastic.
Preparation of the aqueous spray gels of example 3 and comparative example 3:
weighing neoprene latex, rosin emulsion, carbon five petroleum resin, acrylic emulsion, polyethylenimine crosslinking agent, boric acid, pH regulator, calcium chloride and water according to the proportion, wherein the pH regulator is citric acid, and the carbon five petroleum resin and the polyethylenimine crosslinking agent are not used in the comparative example 3;
b, mixing and stirring neoprene latex, rosin emulsion, carbon penta petroleum resin, acrylic acid emulsion, polyethylenimine crosslinking agent and boric acid, adjusting the pH value with citric acid to be within the range of 9-10, and then stirring for 60min at the stirring speed of 400r/min to prepare the water-based glue (component A) for glue spraying;
and c, mixing the calcium chloride and water to obtain a demulsifier, and stirring at the stirring speed of 500r/min for 60min to obtain the demulsifier (component B).
The component A and the component B of the aqueous spray glue prepared according to the mixture ratio of the embodiment 3 and the comparative example 3 are respectively filled into storage containers communicated with different nozzles of a double-nozzle spray gun and are simultaneously sprayed on a bonding interface of a bent sponge and glass fiber reinforced plastic.
The aqueous spray glue prepared according to the formulations of examples 1-3 and comparative examples 1-3 was left to cure spontaneously at 25 ℃.
The adhesive properties and curing speed of the aqueous spray glues prepared according to the formulations of examples 1 to 3 and comparative examples 1 to 3 are shown in Table 2:
table 2.
| Adhesive property | Speed of curing | |
| Example 1 | The bent sponge does not bounce off the wood, and the bonding surface does not have split glue | 15 minutes |
| Example 2 | The bent leather and the plastic do not bounce off, and the bonding surface does not have split glue | 16 minutes |
| Example 3 | The bent sponge and the glass fiber reinforced plastic do not bounce off, and the bonding surface does not have split glue | 14 minutes |
| Comparative example 1 | The bent sponge and wood are bounced off, and the bonding surface is glued | 30 minutes |
| Comparative example 2 | The bent leather and the plastic are bounced off, and the bonding surface is rubberized | 30 minutes |
| Comparative example 3 | The bent sponge and the glass fiber reinforced plastic are flicked, and the bonding surface is glued | 28 minutes |
As can be seen from the above, the adhesive properties and curing speeds of examples 1 to 3 are better than those of comparative examples 1 to 3, and the adhesive properties and curing speeds of examples 1 to 3 are not much different from those of comparative examples 1 to 3, because examples 1 to 3 are different from comparative examples 1 to 3
In the embodiments 1-3, on the basis of neoprene latex, rosin emulsion and acrylic emulsion, carbon five petroleum resin and polyaziridine cross-linking agent are added, and the compatibility of the carbon five petroleum resin and the rosin emulsion is good, so that the water-based spray glue prepared by the water-based spray glue and the demulsifier has excellent tackifying performance, the initial adhesion of the water-based spray glue can be obviously improved, the wettability of the water-based spray glue and smooth materials such as plastics and glass fiber reinforced plastics can be greatly enhanced, and the water-based spray glue and the smooth materials such as plastics and glass fiber reinforced plastics have good bonding effect; the polyethylenimine crosslinking agent and the acrylic emulsion can generate crosslinking reaction, so that the adhesive force of the water-based spray adhesive and the smooth material can be improved; the pH regulator is used for regulating the pH of the glue for water-based glue spraying to enable the neoprene emulsion to be in a stable critical state, the neoprene emulsion can be demulsified rapidly under the action of the demulsifier, the water-based glue spraying is solidified almost instantly, and has large adhesive force, so that rough surface materials such as wood, leather and the like, smooth surface materials such as plastic, glass fiber reinforced plastic and the like, and smooth surface materials such as plastic, glass fiber reinforced plastic and the like can be bonded together tightly, and the neoprene glue is particularly suitable for mutually bonding high-difficulty high-stress between sponge, wood and leather such as bending bonding.
The above disclosure is only a preferred embodiment of the present application and should not be taken as limiting the scope of the present application, so that the claims of the present application are covered by the appended claims.
Claims (4)
1. The water-based spray adhesive is characterized by comprising two components, wherein the component A comprises a glue component, the component B comprises a demulsifier, the glue component is water-based glue for glue spraying, the water-based glue for glue spraying is suitable for rough materials on the surfaces of wood and leather and smooth materials on the surfaces of plastics and glass fiber reinforced plastics, and the bonding between the smooth materials on the surfaces of the plastic and the glass fiber reinforced plastic, and the bending bonding between the sponge, the wood and the leather, the water-based glue for glue spraying comprises, by weight, 70-80 parts of neoprene latex, 5-10 parts of rosin emulsion, 5-10 parts of carbon five petroleum resin, 5-10 parts of acrylic emulsion, 1-5 parts of polyaziridine cross-linking agent and 1-2 parts of pH regulator, wherein the pH value is 9-10, and the demulsifier comprises 10-20 parts of calcium chloride and 80-90 parts of water.
2. The aqueous spray-coating composition according to claim 1, further comprising 1 to 3 parts of boric acid.
3. The aqueous spray gel of claim 1 wherein said pH adjusting agent is selected from one or more of glycine, acetic acid and citric acid.
4. The preparation method of the water-based spray adhesive according to claim 1, characterized by comprising the following steps:
a, weighing the neoprene latex, the rosin emulsion, the carbon five petroleum resin, the acrylic emulsion, the polyethylenimine crosslinking agent and the pH regulator according to the proportion;
b, mixing and stirring the components weighed in the step a to obtain the glue component;
and c, mixing and stirring the calcium chloride and the water to obtain the demulsifier.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810287349.6A CN108410392B (en) | 2018-03-30 | 2018-03-30 | Glue for water-based spray glue, water-based spray glue and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810287349.6A CN108410392B (en) | 2018-03-30 | 2018-03-30 | Glue for water-based spray glue, water-based spray glue and preparation method thereof |
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| Publication Number | Publication Date |
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| CN108410392A CN108410392A (en) | 2018-08-17 |
| CN108410392B true CN108410392B (en) | 2020-09-04 |
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| CN111154411A (en) * | 2020-01-03 | 2020-05-15 | 广东东方一哥新材料股份有限公司 | Water-based environment-friendly spray adhesive and preparation method thereof |
| EP4112686A1 (en) * | 2021-06-30 | 2023-01-04 | LANXESS Deutschland GmbH | Rubber compositions containing polyethyleneimine |
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| JP2008074950A (en) * | 2006-09-21 | 2008-04-03 | Aica Kogyo Co Ltd | Chloroprene rubber latex adhesive composition |
| CN102492374B (en) * | 2011-12-07 | 2014-03-26 | 东莞市赛德高树脂有限公司 | Single-component water-soluble environmentally-friendly roller adhesive and preparation method thereof |
| CN107779143A (en) * | 2017-10-24 | 2018-03-09 | 成都中泰科创新材料有限公司 | A kind of inexpensive aqueous double-component glue spraying and preparation method thereof |
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