CN112341955A - Heat-resistant neoprene latex adhesive and preparation method thereof - Google Patents
Heat-resistant neoprene latex adhesive and preparation method thereof Download PDFInfo
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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
- C09J125/00—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 aromatic carbocyclic ring; Adhesives based on derivatives of such polymers
- C09J125/02—Homopolymers or copolymers of hydrocarbons
- C09J125/04—Homopolymers or copolymers of styrene
- C09J125/08—Copolymers of styrene
- C09J125/14—Copolymers of styrene with unsaturated esters
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F279/00—Macromolecular compounds obtained by polymerising monomers on to polymers of monomers having two or more carbon-to-carbon double bonds as defined in group C08F36/00
- C08F279/02—Macromolecular compounds obtained by polymerising monomers on to polymers of monomers having two or more carbon-to-carbon double bonds as defined in group C08F36/00 on to polymers of conjugated dienes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/12—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polysiloxanes
- C08F283/124—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polysiloxanes on to polysiloxanes having carbon-to-carbon double bonds
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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
- C09J11/08—Macromolecular additives
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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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/222—Magnesia, i.e. magnesium oxide
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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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- 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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Abstract
A heat-resistant neoprene latex adhesive and a preparation method thereof are disclosed, and the neoprene latex adhesive comprises the following raw materials: the modified heat-resistant neoprene latex, styrene-acrylic emulsion, tackifying emulsion, metal oxide aqueous solution, anti-aging agent aqueous solution, thickening agent and coagulant, wherein the modified heat-resistant neoprene latex comprises the following components in parts by weight: 30-60 parts of modified heat-resistant neoprene latex, 30-60 parts of neoprene latex, 100 parts of styrene-acrylic emulsion (SAE), 5-15 parts of tackifying emulsion, 0.2-0.6 part of metal oxide aqueous solution, 0.2-0.6 part of anti-aging agent aqueous solution, 0.3-0.8 part of thickening agent and 1-3 parts of coagulant, wherein the styrene-acrylic emulsion is a raw material commonly used by technicians in the field, and the solid content of the emulsion is 40-50%. According to the invention, two monomers, namely methyl methacrylate and octavinyl-POSS, are successfully grafted on the neoprene latex through an emulsion polymerization method, and the heat resistance and the storage stability of the latex type neoprene adhesive prepared by using the modified neoprene latex are effectively improved.
Description
Technical Field
The invention relates to the technical field of adhesives, in particular to a heat-resistant neoprene latex adhesive and a preparation method thereof.
Background
The neoprene adhesive is widely applied to the bonding of soft furniture materials, such as bonding sponge, artificial leather, textile, PVC, non-woven fabric, wood and the like. The chloroprene rubber adhesive can be divided into a solvent type and a latex type according to the formulation. The solvent-type neoprene adhesive is also called as oil-based adhesive, contains a large amount of organic solvent, and causes great harm to the natural environment and the human health. The latex type neoprene adhesive is also called as water adhesive, is prepared by taking neoprene latex as a main component, does not contain organic solvent, and is nontoxic and harmless to the environment. Nowadays, the global environment protection problem is more and more focused, and the development of latex type neoprene adhesives which are environment-friendly and excellent in performance is imperative.
Neoprene latex has good contact viscosity and flexibility, and the latex type neoprene adhesive prepared by taking the neoprene latex as a main component simultaneously has a plurality of defects, such as narrow range of bonding substrates, poor storage stability, poor heat resistance and aging resistance, high price and the like. The styrene-acrylic emulsion is obtained by emulsion copolymerization of styrene and acrylic ester monomers, and plays an important role in the field of adhesives due to the characteristics of excellent cohesiveness, aging resistance, lower cost and environmental friendliness. If the advantages of neoprene latex and styrene-acrylic emulsion are integrated, the adhesive with excellent performance can be obtained. But the direct blending of the neoprene latex and the styrene-acrylic emulsion can destroy the stability of the emulsion and easily generate gel, one common improvement method is to carry out chemical grafting modification by emulsion polymerization of the neoprene latex and Methyl Methacrylate (MMA), and the grafted neoprene latex can improve the compatibility of the neoprene latex and the styrene-acrylic emulsion, thereby effectively improving the bonding strength of the neoprene adhesive to a plurality of materials, widening the range of bonding base materials and reducing the cost. However, the heat resistance of the resulting chloroprene type adhesive is still poor, and the storage stability of the adhesive is impaired, and further improvement is required.
Disclosure of Invention
In view of the above problems, a primary object of the present invention is to provide a heat-resistant polychloroprene latex adhesive and a process for producing the same, which can effectively improve the heat resistance thereof. The invention also aims to provide a preparation method of the graft-modified heat-resistant chloroprene latex, and particularly relates to a preparation method of the graft-modified heat-resistant chloroprene latex based on the octavinyl-POSS.
In order to achieve the purpose, the invention adopts the following technical scheme: a heat-resistant chloroprene rubber latex adhesive comprises the following raw materials: the modified heat-resistant neoprene latex, styrene-acrylic emulsion, tackifying emulsion, metal oxide aqueous solution, anti-aging agent aqueous solution, thickening agent and coagulant, wherein the modified heat-resistant neoprene latex comprises the following components in parts by weight: 30-60 parts of modified heat-resistant neoprene latex, 30-60 parts of neoprene latex, 100 parts of styrene-acrylic emulsion (SAE), 5-15 parts of tackifying emulsion, 0.2-0.6 part of metal oxide aqueous solution, 0.2-0.6 part of anti-aging agent aqueous solution, 0.3-0.8 part of thickening agent and 1-3 parts of coagulant, wherein the styrene-acrylic emulsion is a raw material commonly used by technicians in the field, and the solid content of the emulsion is 40-50%.
Preferably, the modified heat-resistant neoprene latex raw material comprises the following components: neoprene latex, methyl methacrylate, octavinyl-POSS, an emulsifier, a redox initiator and deionized water.
Preferably, the tackifying emulsion is one or more of hydrogenated rosin emulsion, maleated rosin emulsion and terpene resin emulsion.
Preferably, the metal oxide aqueous solution is a magnesium oxide or zinc oxide aqueous solution, and the mass percentage concentration is 40-60%.
Preferably, the antioxidant aqueous solution is one or more of an antioxidant 264 aqueous solution, an antioxidant 4010 aqueous solution and an antioxidant 2246 aqueous solution, and the mass percentage concentration is 40-60%.
Preferably, the thickener is one of sodium carboxymethyl cellulose and casein.
Preferably, the coagulant is boric acid aqueous solution with the mass percent concentration of 5%.
A preparation method of a heat-resistant neoprene latex adhesive comprises the following steps:
(1) preparing octavinyl-POSS graft modified heat-resistant neoprene latex: weighing 100 parts of neoprene latex and 0.1-0.8 part of emulsifier, adding 60-120 parts of deionized water under stirring, continuously stirring for 20-30min, then starting heating, heating to 45-65 ℃, then starting uniformly dropwise adding a mixed solution consisting of 30-40 parts of methyl methacrylate monomer and 0.065-0.1 part of oxidant in redox initiator within 70-130min, simultaneously uniformly adding 0.065-0.1 part of reducing agent component of redox initiator and 0.8-4.5 parts of octavinyl-POSS monomer, keeping the temperature for reaction for 3.5-4.5h, then stopping heating, naturally cooling to room temperature, and discharging for later use.
(2) Preparation of modified Heat-resistant Neoprene latex: the neoprene latex is a raw material commonly used by the technicians in the field, and the solid content of the neoprene latex is 52-58%.
(3) Preparing a heat-resistant chloroprene rubber latex adhesive: weighing 100 parts of neoprene latex and 0.1-0.8 part of emulsifier, adding 60-120 parts of deionized water under stirring, continuously stirring for 20-30min, then starting heating, heating to 45-65 ℃, then starting uniformly dropwise adding a mixed solution consisting of 30-40 parts of methyl methacrylate monomer and 0.065-0.1 part of oxidant in redox initiator within 70-130min, simultaneously uniformly adding 0.065-0.1 part of reducing agent component of redox initiator and 0.8-4.5 parts of octavinyl-POSS monomer, keeping the temperature for reaction for 3.5-4.5h, then stopping heating, naturally cooling to room temperature, and discharging for later use.
Preferably, the emulsifier is one or more of Sodium Dodecyl Sulfate (SDS), Sodium Dodecyl Benzene Sulfonate (SDBS), and sodium dodecyl diphenyl ether sulfonate (DSB).
Preferably, the redox initiator is one or more of tert-butyl hydroperoxide monoethylene pentamine, potassium persulfate sodium bisulfite and cumene hydroperoxide monoethylene pentamine.
The invention has the following beneficial effects: according to the heat-resistant neoprene latex adhesive and the preparation method thereof, two monomers, namely methyl methacrylate and octavinyl-POSS, are successfully grafted on neoprene latex through an emulsion polymerization method, so that the heat resistance and the storage stability of the latex type neoprene latex adhesive prepared from the modified neoprene latex are effectively improved, the transportation and storage capacity of adhesive products is favorably improved, and the heat-resistant neoprene latex adhesive has better economic benefits.
Detailed Description
The following examples may assist those skilled in the art in a more complete understanding of the present invention, but are not intended to limit the invention in any way.
The heat resistant neoprene latex adhesive in the following examples was prepared by the following method:
(1) preparation of modified Heat-resistant Neoprene latex
Weighing 100 parts of neoprene latex and 0.1-0.8 part of emulsifier, adding 60-120 parts of deionized water under stirring, continuously stirring for 20min, then starting heating, after the temperature is raised to 45-65 ℃, starting uniformly dropwise adding a mixed solution consisting of 30-40 parts of methyl methacrylate monomer and 0.065-0.1 part of oxidant in redox initiator within 70-130min, simultaneously uniformly adding 0.065-0.1 part of reducing agent component of redox initiator and 0.8-4.5 parts of octavinyl-POSS monomer, stopping heating after carrying out heat preservation reaction for 3.5-4.5h, naturally cooling to room temperature, and discharging for later use.
(2) Preparation of heat-resistant neoprene latex adhesive
Weighing 30-60 parts of neoprene latex and 30-60 parts of graft modified neoprene latex, stirring for 20min, adding 100 parts of styrene-acrylic emulsion under slow shearing, dispersing for 20-40min, finally adding 0.2-0.6 part of metal oxide aqueous solution, 0.2-0.6 part of anti-aging agent aqueous solution, 5-15 parts of tackifying emulsion, 1-3 parts of coagulant aqueous solution and 0.3-0.8 part of thickening agent under medium-speed stirring, and continuously stirring for 1-2h to obtain the modified neoprene latex.
The embodiment of the invention comprises the following steps:
example 1
(1) Weighing 100 parts of neoprene latex and 0.15 part of emulsifier, adding 70 parts of deionized water under stirring, starting heating after continuously stirring for 20min, starting to uniformly dropwise add a mixed solution consisting of 30 parts of methyl methacrylate monomer and 0.065 part of oxidant in redox initiator within 80min after the temperature is raised to 45 ℃, simultaneously uniformly adding 0.065 part of reducing agent component of the redox initiator and 0.8 part of octavinyl-POSS monomer, stopping heating after reacting for 3.5h under heat preservation, naturally cooling to room temperature, and discharging for later use.
(2) Weighing 30 parts of neoprene latex and 30 parts of graft modified neoprene latex, stirring for 20min, adding 100 parts of styrene-acrylic emulsion under slow shearing, dispersing for 20min, finally sequentially adding 0.2 part of metal oxide aqueous solution, 0.2 part of anti-aging agent aqueous solution, 5 parts of tackifying emulsion, 1 part of coagulant aqueous solution and 0.3 part of thickening agent under medium-speed stirring, and continuously stirring for 1h to obtain the modified neoprene latex.
Example 2
(1) Weighing 100 parts of neoprene latex and 0.3 part of emulsifier, adding 80 parts of deionized water under stirring, starting heating after continuously stirring for 20min, starting to uniformly dropwise add a mixed solution consisting of 30 parts of methyl methacrylate monomer and 0.07 part of oxidant in redox initiator within 100min after the temperature is raised to 50 ℃, simultaneously uniformly adding 0.07 part of reducing agent component of the redox initiator and 2.7 parts of octavinyl-POSS monomer, stopping heating after reacting for 4h under heat preservation, naturally cooling to room temperature, and discharging for later use.
(2) Weighing 40 parts of neoprene latex and 40 parts of graft modified neoprene latex, stirring for 20min, adding 100 parts of styrene-acrylic emulsion under slow shearing, dispersing for 25min, finally sequentially adding 0.4 part of metal oxide aqueous solution, 0.4 part of anti-aging agent aqueous solution, 10 parts of tackifying emulsion, 2 parts of coagulant aqueous solution and 0.5 part of thickening agent under medium-speed stirring, and continuously stirring for 1h to obtain the modified neoprene latex.
Example 3
(1) Weighing 100 parts of neoprene latex and 0.5 part of emulsifier, adding 90 parts of deionized water under stirring, starting heating after continuously stirring for 20min, starting to uniformly dropwise add a mixed solution consisting of 35 parts of methyl methacrylate monomer and 0.08 part of oxidant in redox initiator within 110min after the temperature is raised to 55 ℃, simultaneously uniformly adding 0.08 part of reducing agent component of redox initiator and 4.5 parts of octavinyl-POSS monomer, stopping heating after reacting for 4.5h under heat preservation, naturally cooling to room temperature, and discharging for later use.
(2) Weighing 50 parts of neoprene latex and 50 parts of graft modified neoprene latex, stirring for 20min, adding 100 parts of styrene-acrylic emulsion under slow shearing, dispersing for 30min, finally sequentially adding 0.6 part of metal oxide aqueous solution, 0.6 part of anti-aging agent aqueous solution, 15 parts of tackifying emulsion, 3 parts of coagulant aqueous solution and 0.8 part of thickening agent under medium-speed stirring, and continuously stirring for 2h to obtain the modified neoprene latex.
Example 4
(1) Weighing 100 parts of neoprene latex and 0.4 part of emulsifier, adding 100 parts of deionized water under stirring, continuously stirring for 20-30min, then starting to heat, heating to 60 ℃, then starting to uniformly dropwise add a mixed solution consisting of 40 parts of methyl methacrylate monomer and 0.07 part of oxidant in redox initiator within 120min, simultaneously uniformly adding 0.07 part of reducing agent component of the redox initiator and 3.5 parts of octavinyl-POSS monomer, keeping the temperature for reaction for 4h, then stopping heating, naturally cooling to room temperature, and discharging for later use.
(2) Weighing 55 parts of neoprene latex and 55 parts of graft modified neoprene latex, stirring for 20min, adding 100 parts of styrene-acrylic emulsion under slow shearing, dispersing for 35min, finally adding 0.6 part of metal oxide aqueous solution, 0.6 part of anti-aging agent aqueous solution, 15 parts of tackifying emulsion, 3 parts of coagulant aqueous solution and 0.8 part of thickening agent under medium-speed stirring, and continuously stirring for 2h to obtain the modified neoprene latex.
The following table compares the physical property test results of the heat resistant neoprene latex adhesives of examples 1-4 of the present invention with those of prior commercially available neoprene latex adhesives:
| performance of | Example 1 | Example 2 | Example 3 | Example 4 | Comparative example 1 |
| Appearance of the product | Micro blue | Micro blue | White colour | White colour | White colour |
| pH value | 9-10 | 9-10 | 9-10 | 9-10 | 9-10 |
| Viscosity (cps) | 180 | 200 | 250 | 280 | 266 |
| Solid content | 55.1 | 54.2 | 55.3 | 54.4 | 42 |
| Tensile Strength (MPa) | 55.6 | 55.1 | 47.8 | 46.4 | 47 |
| Elongation (%) | 3000 | 2700 | 2600 | 2200 | 2650 |
| High temperature hold tack time (100 ℃, h) | 5 | 18 | 200 | 300 | 235 |
Therefore, the heat resistance and the storage stability of the latex type chloroprene rubber adhesive prepared by the scheme are effectively improved, the transportation and storage capacity of the adhesive product is favorably improved, and the economic benefit is better.
The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the embodiments are only used to help understanding the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the present description should not be construed as a limitation to the present invention.
Claims (10)
1. A heat-resistant chloroprene rubber latex adhesive comprises the following raw materials: the modified heat-resistant neoprene latex, styrene-acrylic emulsion, tackifying emulsion, metal oxide aqueous solution, anti-aging agent aqueous solution, thickening agent and coagulant, wherein the modified heat-resistant neoprene latex comprises the following components in parts by weight: 30-60 parts of modified heat-resistant neoprene latex, 30-60 parts of neoprene latex, 100 parts of styrene-acrylic emulsion (SAE), 5-15 parts of tackifying emulsion, 0.2-0.6 part of metal oxide aqueous solution, 0.2-0.6 part of anti-aging agent aqueous solution, 0.3-0.8 part of thickening agent and 1-3 parts of coagulant, wherein the styrene-acrylic emulsion is a raw material commonly used by technicians in the field, and the solid content of the emulsion is 40-50%.
2. The heat resistant neoprene latex adhesive of claim 1, wherein: the modified heat-resistant neoprene latex raw material comprises the following components: neoprene latex, methyl methacrylate, octavinyl-POSS, an emulsifier, a redox initiator and deionized water.
3. The heat resistant neoprene latex adhesive of claim 1, wherein: the tackifying emulsion is one or more of hydrogenated rosin emulsion, maleated rosin emulsion and terpene resin emulsion.
4. The heat resistant neoprene latex adhesive of claim 1, wherein: the metal oxide aqueous solution is magnesium oxide or zinc oxide aqueous solution, and the mass percentage concentration is 40-60%.
5. The heat resistant neoprene latex adhesive of claim 1, wherein: the anti-aging agent aqueous solution is one or more of an anti-aging agent 264 aqueous solution, an anti-aging agent 4010 aqueous solution and an anti-aging agent 2246 aqueous solution, and the mass percentage concentration is 40-60%.
6. The heat resistant neoprene latex adhesive of claim 1, wherein: the thickener is one of sodium carboxymethylcellulose and casein.
7. The heat resistant neoprene latex adhesive of claim 1, wherein: the coagulant is boric acid water solution with the mass percent concentration of 5%.
8. The preparation method of the heat-resistant neoprene latex adhesive is characterized by comprising the following steps:
(1) preparing octavinyl-POSS graft modified heat-resistant neoprene latex: weighing 100 parts of neoprene latex and 0.1-0.8 part of emulsifier, adding 60-120 parts of deionized water under stirring, continuously stirring for 20-30min, then starting heating, heating to 45-65 ℃, then starting uniformly dropwise adding a mixed solution consisting of 30-40 parts of methyl methacrylate monomer and 0.065-0.1 part of oxidant in redox initiator within 70-130min, simultaneously uniformly adding 0.065-0.1 part of reducing agent component of redox initiator and 0.8-4.5 parts of octavinyl-POSS monomer, keeping the temperature for reaction for 3.5-4.5h, then stopping heating, naturally cooling to room temperature, and discharging for later use.
(2) Preparation of modified Heat-resistant Neoprene latex: the neoprene latex is a raw material commonly used by the technicians in the field, and the solid content of the neoprene latex is 52-58%.
(3) Preparing a heat-resistant chloroprene rubber latex adhesive: weighing 100 parts of neoprene latex and 0.1-0.8 part of emulsifier, adding 60-120 parts of deionized water under stirring, continuously stirring for 20-30min, then starting heating, heating to 45-65 ℃, then starting uniformly dropwise adding a mixed solution consisting of 30-40 parts of methyl methacrylate monomer and 0.065-0.1 part of oxidant in redox initiator within 70-130min, simultaneously uniformly adding 0.065-0.1 part of reducing agent component of redox initiator and 0.8-4.5 parts of octavinyl-POSS monomer, keeping the temperature for reaction for 3.5-4.5h, then stopping heating, naturally cooling to room temperature, and discharging for later use.
9. The method for preparing a heat-resistant neoprene latex adhesive according to claim 8, wherein: the emulsifier is one or more of Sodium Dodecyl Sulfate (SDS), Sodium Dodecyl Benzene Sulfonate (SDBS) and sodium dodecyl diphenyl ether sulfonate (DSB).
10. The method for preparing a heat-resistant neoprene latex adhesive according to claim 8, wherein: the redox initiator is one or more of tert-butyl hydroperoxide monoethylene pentamine, potassium persulfate sodium bisulfite and cumene hydroperoxide monoethylene pentamine.
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| CN202011233341.5A CN112341955A (en) | 2020-11-06 | 2020-11-06 | Heat-resistant neoprene latex adhesive and preparation method thereof |
| PCT/CN2021/105346 WO2022095495A1 (en) | 2020-11-06 | 2021-07-08 | Heat resistant neoprene latex adhesive and preparation method therefor |
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| WO2022095495A1 (en) * | 2020-11-06 | 2022-05-12 | 广东泰强化工实业有限公司 | Heat resistant neoprene latex adhesive and preparation method therefor |
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| CN115322708B (en) * | 2022-08-16 | 2023-04-14 | 科瑞汽车新材料(广州)有限公司 | Environment-friendly grafted moisture curing spray adhesive and preparation method thereof |
| CN115260950B (en) * | 2022-09-06 | 2023-03-21 | 广东远东高分子科技有限公司 | Bi-component water-based neoprene spray adhesive and preparation method thereof |
| CN115926696A (en) * | 2022-11-07 | 2023-04-07 | 费米子(深圳)科技有限公司 | Self-adhesive glue for self-adhesive waterproof coiled material and manufacturing method thereof |
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| CN112341955A (en) * | 2020-11-06 | 2021-02-09 | 广东泰强化工实业有限公司 | Heat-resistant neoprene latex adhesive and preparation method thereof |
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2020
- 2020-11-06 CN CN202011233341.5A patent/CN112341955A/en active Pending
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- 2021-07-08 WO PCT/CN2021/105346 patent/WO2022095495A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2022095495A1 (en) * | 2020-11-06 | 2022-05-12 | 广东泰强化工实业有限公司 | Heat resistant neoprene latex adhesive and preparation method therefor |
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| WO2022095495A1 (en) | 2022-05-12 |
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