CN114672273A - Thermosetting resin composition for water-based adhesive and preparation method thereof - Google Patents
Thermosetting resin composition for water-based adhesive and preparation method thereof Download PDFInfo
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- CN114672273A CN114672273A CN202210427539.XA CN202210427539A CN114672273A CN 114672273 A CN114672273 A CN 114672273A CN 202210427539 A CN202210427539 A CN 202210427539A CN 114672273 A CN114672273 A CN 114672273A
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- 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
- C09J167/00—Adhesives based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Adhesives based on derivatives of such polymers
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Abstract
The invention discloses a thermosetting resin composition for a water-based adhesive and a preparation method thereof, belonging to the technical field of resin composition preparation and comprising the following components in parts by weight: 10-15 parts of base polyurethane, 8-10 parts of polyhexamethylene adipate, 15-20 parts of polybutanediol adipate, 9-15 parts of vinyl resin, 8-20 parts of rosin resin, 13-15 parts of tackifying resin, 6-10 parts of trimethylolpropane-tripropionate, 5-10 parts of polyphenyl ether resin, 0.05-0.08 part of thickening agent, 0.02-0.04 part of defoaming agent, 0.7-0.9 part of surfactant and 8-15 parts of polyethylene glycol.
Description
Technical Field
The invention relates to the technical field of resin composition preparation, in particular to a thermosetting resin composition for a water-based adhesive and a preparation method thereof.
Background
Aqueous adhesives dry or bond primarily by surface absorption of water. The raw solid starch in the adhesive gelatinizes and absorbs water on the paste line. The bonding time is from a few seconds to about a minute. The moisture is gradually absorbed by the surrounding air and paper fibers. Adhesives of this conventional type are typically used in corrugated board production lines to immediately provide a strong bonding effect.
To achieve satisfactory binding, a slightly viscous suspoemulsion containing pregelatinized starch is added to the starch and water emulsion. This suspension enables the raw starch to be suspended in water and prevents it from settling; the concentration is increased so as to be conveniently brought on a rubber roller and form a paste film with proper thickness on the roller; adjusting the viscosity so that the paper fibers are properly wetted and initially adhered; ensuring that a large amount of water exists around raw starch molecules so that the starch can expand to the maximum extent and be completely gelatinized when being heated; caustic soda is added to adjust and control the gelatinization temperature of the starch to a minimum.
In order to achieve a satisfactory bonding effect, borax is added to ensure that the raw starch absorbs all water available for absorption during heating; the starch is gelatinized to generate proper viscosity and toughness; acts as a buffer to prevent caustic soda from swelling a portion of the raw starch below the minimum gelatinization temperature.
Thermosetting resin (thermo set polymer) is a high molecular polymer material, molecular chains are chemically cross-linked together to form a rigid three-dimensional network structure, and the cross-linked structure cannot be repeatedly processed and molded in the polymerization process. Has excellent comprehensive performance: including high strength, good heat resistance, excellent electrical properties, corrosion resistance, aging resistance, good dimensional stability, etc.
Common thermosetting resins are epoxy resins, polyester resins, vinyl esters, bismaleimides, thermosetting polyimides, cyanate esters, and the like. It finds great application in all high-tech fields and in various industrial sectors, including electronics/electricity, energy, chemical engineering, machinery, automotive and rail traffic, construction, etc.
Compared with an oily adhesive, the solvent of the aqueous adhesive is water, volatile benzene-containing harmful gas is not easy to generate, the aqueous adhesive is more environment-friendly compared with the oily adhesive, the production cost of the aqueous adhesive is lower due to the fact that the two adhesives are different in solvent, and the aqueous adhesive is poor in viscosity compared with the oily adhesive, easy to crack and poor in water resistance.
Disclosure of Invention
In order to solve the technical problems, the invention provides a thermosetting resin composition for an aqueous adhesive and a preparation method thereof.
The technical scheme of the invention is as follows: a thermosetting resin composition for an aqueous adhesive comprises the following components in parts by weight: 10-15 parts of base polyurethane, 8-10 parts of poly hexanediol adipate, 15-20 parts of poly butanediol adipate, 9-15 parts of vinyl resin, 8-20 parts of rosin resin, 13-15 parts of tackifying resin, 6-10 parts of trimethylolpropane-tripropionate, 5-10 parts of polyphenyl ether resin, 0.05-0.08 part of thickening agent, 0.02-0.04 part of defoaming agent, 0.7-0.9 part of surfactant and 8-15 parts of polyethylene glycol.
Further, the preparation method of the thermosetting resin composition for the water-based adhesive comprises the following steps:
s1: preparation of the Mixed powder
Grinding polyurethane, rosin resin, tackifying resin and polyphenyl ether resin in a grinder at 5-10 deg.C for 10-20min to obtain powder, and pulverizing
Filtering the powder body through a screen mesh, and taking undersize products to obtain mixed powder;
s2: preparation of the Mixed solution
Putting poly (hexamethylene adipate), poly (butylene adipate), vinyl resin and trimethylolpropane-tripropionate into a dispersion kettle, stirring for 10-20min at a stirring speed of 120r/min and a reaction temperature of 36-40 ℃ to obtain a mixed solution;
s3: preparation of the composition
Adding the mixed powder obtained in the step S1 and the mixed liquid obtained in the step S2 into a reaction kettle
The reaction temperature is 160-200 ℃, the stirring speed of the reaction kettle is 60-80r/min, and the reaction time is
30-40min, and obtaining the composition after the reaction is finished;
s4: preparation of composition
Adding the combination obtained in the step S3 into a dispersion kettle, adding polyethylene glycol, and stirring for 10-
20min, the temperature of the dispersion kettle is 50-60 ℃, the stirring speed is 80-120r, then the antifoaming agent is added, the stirring speed and the temperature of the dispersion kettle are kept unchanged, the stirring is carried out for 5-8min, then the temperature of the reaction kettle is reduced to 20-30 ℃, the stirring speed is adjusted to 60-90r/min, the thickening agent and the antifoaming agent are added, and the viscosity is adjusted to 500-
1000cps to obtain a resin composition.
Furthermore, the molecular weight of the poly adipic acid glycol ester and the poly adipic acid butanediol ester is 1000-1500 daltons, and the resin composition prepared by the specific molecular weight has better bonding effect when being used for producing the water-based adhesive.
Further, the vinyl resin has a weight average molecular weight of 80 to 100 ten thousand, and can be effectively mixed with other resins.
Further, in the step S3, the reaction kettle is vacuumized before being heated, helium is filled as a protective gas after the reaction kettle is vacuumized to a vacuum degree of 0.1-0.4Pa, and the helium is filled until the internal pressure of the reaction kettle is 110-120KPa, so as to prevent substances in the reaction kettle from being oxidized at a high temperature.
Further, the polyethylene glycol is liquid at normal temperature, the molecular weight of the polyethylene glycol is 200-500, and the liquid polyethylene glycol can effectively dissolve the resin mixture as a water system medium.
Further, the mesh number of the screen in the step S1 is 100-120 meshes, and the resin mixed powder filtered by the screen can be effectively mixed when preparing the composition, so that the stirring time is shortened.
Further, the cooling speed of the dispersion kettle in the step S4 when the temperature of the dispersion kettle is reduced to 20-30 ℃ is 5 ℃/min, and too high a cooling speed can cause uneven temperature inside and outside the material in the dispersion kettle, thereby affecting the effect of the thickener and the defoamer.
Further, the thickening agent comprises the following components in parts by weight: 0.015-0.02 part of sodium alginate, 0.01-0.02 part of sodium polyacrylate, 0.01-0.02 part of propylene glycol alginate and 0.015-0.02 part of carboxymethyl cellulose, and can effectively thicken substances in a dispersion kettle.
Further, the surfactant comprises the following components in parts by weight: 0.2-0.0.24 parts of alkyl glucoside, 0.1-0.18 part of fatty glyceride and 0.4-0.48 part of polysorbate, and can fully mix the organic solute and water.
The invention has the beneficial effects that:
(1) the resin composition can be used for preparing water-based adhesives with different viscosities, is commonly used for the adhesion of water-absorbing materials, has good adhesion effect in the adhesion of paperboards and the adhesion of fibers, and the volatile substance of the water-based adhesive produced by the resin composition is water, so that the water-based adhesive is tasteless, nontoxic, environment-friendly and healthy.
(2) The resin composition disclosed by the invention is added into the water-based adhesive, so that the viscosity of the water-based adhesive can be effectively increased, and the problem that the bonded part is easy to crack when meeting water can be effectively reduced.
Detailed Description
Example 1:
a thermosetting resin composition for an aqueous adhesive comprises the following components in parts by weight: 10 parts of polyurethane, 8 parts of polyhexamethylene adipate, 15 parts of polybutanediol adipate, 9 parts of vinyl resin, 8 parts of rosin resin, 13 parts of tackifying resin, 6 parts of trimethylolpropane-tripropionate, 5 parts of polyphenyl ether resin, 0.05 part of thickening agent, 0.02 part of defoaming agent, 0.7 part of surfactant and 8 parts of polyethylene glycol.
The preparation method of the thermosetting resin composition for the water-based adhesive comprises the following steps:
s1: preparation of the Mixed powder
Grinding the base polyurethane, the rosin resin, the tackifying resin and the polyphenyl ether resin in a grinder at the grinding temperature of 5 ℃ for 10min to obtain powder, and passing the powder through a filter
Filtering with a screen, and taking undersize to obtain mixed powder;
s2: preparing a mixed solution
Putting poly (hexamethylene adipate), poly (butylene adipate), vinyl resin and trimethylolpropane-tripropionate into a dispersion kettle, stirring for 10min at the stirring speed of 120r/min and the reaction temperature of 36 ℃,
obtaining a mixed solution;
s3: preparation of the composition
Adding the mixed powder obtained in the step S1 and the mixed liquid obtained in the step S2 into a reaction kettle
The reaction temperature is 160 ℃, the stirring speed of the reaction kettle is 60r/min, the reaction time is 30min, and the composition is obtained after the reaction is finished;
s4: preparation of composition
Adding the combination obtained in the step S3 into a dispersion kettle, adding polyethylene glycol, and stirring
10min, the temperature of the dispersion kettle is 50 ℃, the stirring speed is 80r, then the defoaming agent is added, the stirring speed and the temperature of the dispersion kettle are kept unchanged, stirring is carried out for 5min, then the temperature of the reaction kettle is reduced to 20 ℃, the stirring speed is adjusted to 60r/min, the thickening agent and the defoaming agent are added, and the viscosity is adjusted to 500cps, so as to obtain the resin composition.
The molecular weight of the poly adipic acid glycol ester and the poly adipic acid butanediol ester is 1000-1300 daltons, and the resin composition prepared by the specific molecular weight has better bonding effect when being used for producing the water-based adhesive.
The vinyl resin has a weight average molecular weight of 80-90 ten thousand and can be effectively mixed with other resins.
In step S3, the reaction kettle is vacuumized before being heated, helium is filled as a protective gas after being vacuumized to a vacuum degree of 0.1Pa, and the pressure in the reaction kettle is 110KPa, so as to prevent substances in the reaction kettle from being oxidized at high temperature.
The polyethylene glycol is liquid at normal temperature, the molecular weight of the polyethylene glycol is 200-300, and the liquid polyethylene glycol can effectively dissolve the resin mixture as a water system medium.
The mesh number of the screen in the step S1 is 100 meshes, and the resin mixed powder filtered by the screen can be effectively mixed when preparing the composition, and the stirring time is shortened.
In the step S4, the cooling speed of the dispersion kettle when the temperature is reduced to 20 ℃ is 5 ℃/min, and the temperature inside and outside the material in the dispersion kettle is uneven due to the excessively high cooling speed, so that the action effect of the thickening agent and the defoaming agent is influenced.
The thickening agent comprises the following components in parts by weight: 0.015 part of sodium alginate, 0.01 part of sodium polyacrylate, 0.01 part of propylene glycol alginate and 0.015 part of carboxymethyl cellulose, and can effectively thicken substances in the dispersion kettle.
The surfactant comprises the following components in parts by weight: alkyl glucoside 0.2 parts, fatty glyceride 0.1 parts, polysorbate 0.4 parts, can make organic solute and water fully mixed.
Example 2:
a thermosetting resin composition for an aqueous adhesive comprises the following components in parts by weight: 13 parts of polyurethane, 9 parts of poly-hexanediol adipate, 17 parts of poly-butanediol adipate, 12 parts of vinyl resin, 15 parts of rosin resin, 14 parts of tackifying resin, 8 parts of trimethylolpropane-tripropionate, 7 parts of polyphenyl ether resin, 0.06 part of thickening agent, 0.03 part of defoaming agent, 0.8 part of surfactant and 10 parts of polyethylene glycol.
The preparation method of the thermosetting resin composition for the water-based adhesive comprises the following steps:
s1: preparation of the Mixed powder
Grinding the base polyurethane, the rosin resin, the tackifying resin and the polyphenyl ether resin in a grinding machine at the grinding temperature of 8 ℃ for 15min to obtain powder, filtering the powder through a screen, and taking undersize to obtain mixed powder;
s2: preparing a mixed solution
Putting poly (hexamethylene adipate), poly (butylene adipate), vinyl resin and trimethylolpropane-tripropionate into a dispersion kettle, stirring for 15min at the stirring speed of 120r/min and at the reaction temperature
The temperature is 38 ℃, and mixed liquid is obtained;
s3: preparation of the composition
Adding the mixed powder obtained in the step S1 and the mixed liquid obtained in the step S2 into a reaction kettle
The reaction temperature is 170 ℃, the stirring speed of the reaction kettle is 70r/min, the reaction time is 35min, and the composition is obtained after the reaction is finished;
s4: preparation of composition
Adding the combination obtained in the step S3 into a dispersion kettle, adding polyethylene glycol, and stirring
15min, the temperature of the dispersion kettle is 55 ℃, the stirring speed is 100r, then the defoaming agent is added, the stirring speed and the temperature of the dispersion kettle are kept unchanged, stirring is carried out for 7min, then the temperature of the reaction kettle is reduced to 25 ℃, the stirring speed is adjusted to 70r/min, the thickening agent and the defoaming agent are added, and the viscosity is adjusted to 800cps, so that the resin composition is obtained.
The molecular weight of the poly adipic acid glycol ester and the poly adipic acid butanediol ester is 1300-1500 daltons, and the resin composition prepared by the specific molecular weight has better bonding effect when being used for producing the water-based adhesive.
The vinyl resin has a weight average molecular weight of 90-100 ten thousand and can be effectively mixed with other resins.
In step S3, the reaction kettle is vacuumized before being heated, helium is filled as a protective gas after being vacuumized to a vacuum degree of 0.3Pa, and the pressure in the reaction kettle is 115KPa, so as to prevent substances in the reaction kettle from being oxidized at high temperature.
The polyethylene glycol is liquid at normal temperature, the molecular weight of the polyethylene glycol is 300-500, and the liquid polyethylene glycol can effectively dissolve the resin mixture as a water system medium.
The mesh number of the screen mesh in the step S1 is 110 meshes, and the resin mixed powder filtered by the screen mesh can be effectively mixed when the composition is prepared, and the stirring time is shortened.
In the step S4, the cooling speed of the dispersion kettle when the temperature is reduced to 25 ℃ is 5 ℃/min, and the temperature inside and outside the material in the dispersion kettle is uneven due to the excessively high cooling speed, so that the action effect of the thickening agent and the defoaming agent is influenced.
The thickening agent comprises the following components in parts by weight: 0.018 parts of sodium alginate, 0.015 parts of sodium polyacrylate, 0.015 parts of propylene glycol alginate, and 0.018 parts of carboxymethyl cellulose, and can effectively thicken substances in the dispersion kettle.
The surfactant comprises the following components in parts by weight: alkyl glucoside 0.22 parts, fatty glyceride 0.15 parts, polysorbate 0.43 parts, can make organic solute and water fully mixed.
Example 3:
a thermosetting resin composition for an aqueous adhesive comprises the following components in parts by weight: 15 parts of polyurethane, 10 parts of polyhexamethylene adipate, 20 parts of polybutanediol adipate, 15 parts of vinyl resin, 20 parts of rosin resin, 15 parts of tackifying resin, 10 parts of trimethylolpropane-tripropionate, 10 parts of polyphenyl ether resin, 0.08 part of thickening agent, 0.04 part of defoaming agent, 0.9 part of surfactant and 15 parts of polyethylene glycol.
The preparation method of the thermosetting resin composition for the water-based adhesive comprises the following steps:
s1: preparation of the Mixed powder
Grinding the base polyurethane, the rosin resin, the tackifying resin and the polyphenyl ether resin in a grinder at the grinding temperature of 10 ℃ for 20min to obtain powder, and introducing the powder into a container
Filtering through a screen mesh, and taking undersize to obtain mixed powder;
s2: preparing a mixed solution
Putting poly (hexamethylene adipate), poly (butylene adipate), vinyl resin and trimethylolpropane-tripropionate into a dispersion kettle, stirring for 20min at the stirring speed of 120r/min and at the reaction temperature
The temperature is 40 ℃, and mixed liquid is obtained;
s3: preparation of the composition
Adding the mixed powder obtained in the step S1 and the mixed liquid obtained in the step S2 into a reaction kettle
The reaction temperature is 200 ℃, the stirring speed of the reaction kettle is 80r/min, the reaction time is 40min, and the composition is obtained after the reaction is finished;
s4: preparation of composition
Adding the combination obtained in the step S3 into a dispersion kettle, adding polyethylene glycol, and stirring
20min, the temperature of the dispersion kettle is 60 ℃, the stirring speed is 120r, then the defoaming agent is added, the stirring speed and the temperature of the dispersion kettle are kept unchanged, the stirring is carried out for 8min, then the temperature of the reaction kettle is reduced to 30 ℃, the stirring speed is adjusted to 90r/min, the thickening agent and the defoaming agent are added, and the viscosity is adjusted to 1000cps, so as to obtain the resin composition.
The molecular weight of the poly adipate glycol ester and the poly adipate glycol ester is 1000-1500 daltons, and the resin composition prepared by specific molecular weight has better bonding effect when the water-based adhesive is produced.
The vinyl resin has a weight average molecular weight of 80-100 ten thousand and can be effectively mixed with other resins.
In step S3, the reaction kettle is vacuumized before being heated, helium is filled as a protective gas after being vacuumized to a vacuum degree of 0.3Pa, and the pressure in the reaction kettle is 120KPa, so as to prevent substances in the reaction kettle from being oxidized at high temperature.
The polyethylene glycol is liquid at normal temperature, the molecular weight of the polyethylene glycol is 200-500, and the liquid polyethylene glycol can effectively dissolve the resin mixture as a water system medium.
The mesh number of the screen in the step S1 is 120 meshes, and the resin mixed powder filtered by the screen can be effectively mixed when preparing the composition, and the stirring time is shortened.
In the step S4, the cooling speed of the dispersion kettle when the temperature is reduced to 30 ℃ is 5 ℃/min, and the temperature inside and outside the material in the dispersion kettle is uneven due to the excessively high cooling speed, so that the action effect of the thickening agent and the defoaming agent is influenced.
The thickening agent comprises the following components in parts by weight: 0.02 part of sodium alginate, 0.02 part of sodium polyacrylate, 0.02 part of propylene glycol alginate and 0.02 part of carboxymethyl cellulose, and can effectively thicken substances in the dispersion kettle.
The surfactant comprises the following components in parts by weight: 0.024 part of alkyl glucoside, 0.18 part of fatty glyceride and 0.48 part of polysorbate can fully mix the organic solute and the water.
Comparative example 1 to example 3, the resin composition prepared in example 3 was more adhesive than those of examples 1 and 2 in producing an aqueous adhesive.
Claims (10)
1. The thermosetting resin composition for the water-based adhesive is characterized by comprising the following components in parts by weight: 10-15 parts of base polyurethane, 8-10 parts of poly hexanediol adipate, 15-20 parts of poly butanediol adipate, 9-15 parts of vinyl resin, 8-20 parts of rosin resin, 13-15 parts of tackifying resin, 6-10 parts of trimethylolpropane-tripropionate, 5-10 parts of polyphenyl ether resin, 0.05-0.08 part of thickening agent, 0.02-0.04 part of defoaming agent, 0.7-0.9 part of surfactant and 8-15 parts of polyethylene glycol.
2. The method for preparing a thermosetting resin composition for aqueous adhesives according to claim 1, comprising the steps of:
s1: preparation of the Mixed powder
Grinding the base polyurethane, the rosin resin, the tackifying resin and the polyphenyl ether resin in a grinding machine at the grinding temperature of 5-10 ℃ for 10-20min to obtain powder, filtering the powder through a screen, and taking undersize to obtain mixed powder;
s2: preparing a mixed solution
Putting poly (hexamethylene adipate), poly (butylene adipate), vinyl resin and trimethylolpropane-tripropionate into a dispersion kettle, stirring for 10-20min at a stirring speed of 120r/min and a reaction temperature of 36-40 ℃ to obtain a mixed solution;
s3: preparation of the composition
Adding the mixed powder obtained in the step S1 and the mixed liquid obtained in the step S2 into a reaction kettle for reaction at the temperature of 160-200 ℃, the stirring speed of the reaction kettle is 60-80r/min, the reaction time is 30-40min, and obtaining the composition after the reaction is finished;
s4: preparation of composition
And (4) adding the combination obtained in the step S3 into a dispersion kettle, adding polyethylene glycol, stirring for 10-20min, keeping the temperature of the dispersion kettle at 50-60 ℃ and the stirring speed at 80-120r, adding a defoaming agent, keeping the stirring speed and the temperature of the dispersion kettle unchanged, stirring for 5-8min, cooling the reaction kettle to 20-30 ℃, adjusting the stirring speed to 60-90r/min, adding a thickening agent and the defoaming agent, and adjusting the viscosity to 500-1000cps to obtain the resin composition.
3. The thermosetting resin composition for aqueous adhesives as claimed in claim 1, wherein the molecular weights of the polyadipic acid diol ester and polybutanediol ester are 1000-1500 daltons.
4. The thermosetting resin composition for aqueous adhesives according to claim 1, wherein the vinyl resin has a weight-average molecular weight of 80 to 100 ten thousand.
5. The thermosetting resin composition for aqueous adhesive as claimed in claim 1, wherein in step S3, the reaction kettle is vacuumized before heating, helium is filled as a protective gas after the vacuum degree is 0.1-0.4Pa, and the pressure in the reaction kettle is 110-120 KPa.
6. The thermosetting resin composition for aqueous adhesives according to claim 1, wherein the molecular weight of the polyethylene glycol is 200-500.
7. The method for preparing a thermosetting resin composition for aqueous binder as claimed in claim 2, wherein the mesh size of the screen in step S1 is 100-120 mesh.
8. The method of claim 2, wherein the temperature of the dispersion vessel in step S4 is lowered to 20-30 ℃ at a rate of 5 ℃/min.
9. The method for preparing a thermosetting resin composition for aqueous adhesives according to claim 2, wherein the thickener comprises the following components in parts by weight: 0.015-0.02 part of sodium alginate, 0.01-0.02 part of sodium polyacrylate, 0.01-0.02 part of propylene glycol alginate and 0.015-0.02 part of carboxymethyl cellulose.
10. The method for preparing a thermosetting resin composition for aqueous adhesives according to claim 2, wherein the surfactant comprises the following components in parts by weight: 0.2-0.0.24 parts of alkyl glucoside, 0.1-0.18 part of fatty glyceride and 0.4-0.48 part of polysorbate.
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| CN202210427539.XA CN114672273A (en) | 2022-04-21 | 2022-04-21 | Thermosetting resin composition for water-based adhesive and preparation method thereof |
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| CN202210427539.XA CN114672273A (en) | 2022-04-21 | 2022-04-21 | Thermosetting resin composition for water-based adhesive and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4476271A (en) * | 1981-05-07 | 1984-10-09 | Dai Nippon Toryo Co., Ltd. | Aqueous dispersion type thermosetting coating composition |
| WO1994016027A1 (en) * | 1992-12-30 | 1994-07-21 | H.B. Fuller Licensing & Financing Inc. | Liquid adhesive thermoset composition |
| CN106947424A (en) * | 2017-04-06 | 2017-07-14 | 无锡市赛易特化工有限公司 | A kind of senior strength adhesive of multipurpose and preparation method thereof |
-
2022
- 2022-04-21 CN CN202210427539.XA patent/CN114672273A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4476271A (en) * | 1981-05-07 | 1984-10-09 | Dai Nippon Toryo Co., Ltd. | Aqueous dispersion type thermosetting coating composition |
| WO1994016027A1 (en) * | 1992-12-30 | 1994-07-21 | H.B. Fuller Licensing & Financing Inc. | Liquid adhesive thermoset composition |
| CN106947424A (en) * | 2017-04-06 | 2017-07-14 | 无锡市赛易特化工有限公司 | A kind of senior strength adhesive of multipurpose and preparation method thereof |
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