CN113789147A - Double-component neoprene polyurethane composite rubber adhesive and preparation method thereof - Google Patents
Double-component neoprene polyurethane composite rubber adhesive and preparation method thereof Download PDFInfo
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- CN113789147A CN113789147A CN202110969396.0A CN202110969396A CN113789147A CN 113789147 A CN113789147 A CN 113789147A CN 202110969396 A CN202110969396 A CN 202110969396A CN 113789147 A CN113789147 A CN 113789147A
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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
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
- C09J175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
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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
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/2805—Compounds having only one group containing active hydrogen
- C08G18/288—Compounds containing at least one heteroatom other than oxygen or nitrogen
- C08G18/289—Compounds containing at least one heteroatom other than oxygen or nitrogen containing silicon
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4833—Polyethers containing oxyethylene units
- C08G18/4837—Polyethers containing oxyethylene units and other oxyalkylene units
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/67—Unsaturated compounds having active hydrogen
- C08G18/68—Unsaturated polyesters
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
- C09J175/08—Polyurethanes from polyethers
-
- 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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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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
- C08L2201/02—Flame or fire retardant/resistant
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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
Abstract
The invention discloses a two-component neoprene polyurethane composite rubber adhesive and a preparation method thereof, wherein the adhesive is prepared from the following components in parts by weight: 10-50 parts of modified polyurethane, 5-30 parts of modified neoprene latex, 5-40 parts of flame retardant, 3-30 parts of filler, 1-25 parts of thixotropic agent, 0.1-2 parts of adhesion promoter and 5-30 parts of diluent. The compatibility of the modified polyurethane prepared from polyether glycol with the modified neoprene latex is improved, latex molecules and long-ester side chain polymers are mutually diffused to form entanglement points, the workability in the mixture is improved, and light calcium carbonate, hollow glass beads and the like form physical crosslinking points, so that the oxidation resistance and the weather resistance of other components are better exerted, and the aging resistance of the polyurethane adhesive is greatly improved.
Description
Technical Field
The invention relates to the technical field of adhesives, in particular to a two-component neoprene polyurethane composite rubber adhesive and a preparation method thereof.
Background
The polyurethane adhesive has the following characteristics: excellent wear resistance; low temperature flexibility; the adjustable range of the performance is wider; the mechanical strength is high; the adhesion is good; the elasticity is good, has excellent resilience, and can be suitable for dynamic seams; the weather resistance is good, and the service life can reach 15-20 years; the oil resistance is excellent; biological aging resistance; the price is moderate. Polyurethane adhesives also have some disadvantages, such as: heat resistance for a long time cannot be achieved; light-colored formulations are susceptible to ultraviolet light aging; the single-component glue has large storage stability influenced by packaging and outside, and is generally slow to cure; bubbles and cracks may be generated in a high-temperature thermal environment; priming is required for many applications. Meanwhile, the polyurethane adhesive has poor water resistance, especially poor alkali resistance and water resistance.
Polyurethane adhesives are widely used due to their excellent properties, and are gradually becoming an irreplaceable product with unlimited development potential. However, the polyurethane adhesives on the market have poor high temperature resistance and aging resistance, short service life and can not meet the market demand, so that the modification and development of the polyurethane adhesives become research hotspots to expect that the polyurethane adhesives with excellent performance can be obtained.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects of the prior art, the invention aims to provide a two-component chloroprene polyurethane composite rubber adhesive with good weather resistance and a preparation method thereof.
The technical scheme of the invention is as follows:
the invention provides a two-component neoprene polyurethane composite rubber adhesive which is prepared from the following components in parts by weight: 10-50 parts of modified polyurethane, 5-30 parts of modified neoprene latex, 5-40 parts of flame retardant, 3-30 parts of filler, 1-25 parts of thixotropic agent, 0.1-2 parts of adhesion promoter and 5-30 parts of diluent.
Preferably, the composition is prepared from the following components in parts by weight: 30 parts of modified polyurethane, 20 parts of modified neoprene latex, 10 parts of flame retardant, 20 parts of filler, 15 parts of thixotropic agent, 1 part of adhesion promoter and 20 parts of diluent.
Further, the modified polyurethane is at least prepared from polyether polyol, isocyanate, a catalyst and KH560, wherein the catalyst is dibutyltin dilaurate.
Further, the polyether polyol is prepared by condensation polymerization of itaconic acid, methylsuccinic acid-5-sulfonic acid and 1, 4-dihydroxy butane in the presence of a catalyst.
Specifically, the preparation method of the polyether polyol is as follows:
under the condition of nitrogen, putting itaconic acid, methylsuccinic acid-5-sulfonic acid, 1, 4-dihydroxy butane and a catalyst dibutyltin dilaurate into a four-neck flask equipped with a stirrer and a water separator, heating to 150 ℃ and 170 ℃ for reaction until no water is generated in the water separator, adjusting the temperature to 130 ℃ and 150 ℃ under the condition of-0.1 MPa for polycondensation reaction, cooling the reaction liquid after the reaction is finished, putting the reaction liquid into a Soxhlet extractor, extracting with a mixed solution of water and absolute ethyl alcohol, and drying in a 60 ℃ vacuum drying box after the extraction is finished to obtain the polyether polyol; the molar ratio of the itaconic acid to the methylsuccinic acid-5-sulfonic acid to the 1, 4-dihydroxy butane to the dibutyltin dilaurate is 1: 2.2: 1: 0.02.
further, the isocyanate is selected from one or more of toluene diisocyanate, 1, 5-naphthalene diisocyanate, diphenylmethane diisocyanate, 1, 6-hexamethylene diisocyanate, isophorone diisocyanate and 4,4' -dicyclohexylmethane diisocyanate.
The modified neoprene latex is formed by copolymerizing neoprene latex, methyl methacrylate and hydroxyethyl methacrylate in the presence of an initiator.
The preparation method of the modified neoprene latex comprises the following steps:
and (2) putting 350 parts of neoprene latex and 630 parts of methylbenzene into a reaction kettle, introducing nitrogen for protection, heating to 85 ℃, adding 30 parts of methyl methacrylate and 40 parts of hydroxyethyl methacrylate, adding 1.0 part of initiator AIBN, heating to 110 ℃, keeping the temperature for 4 hours, and then distilling under reduced pressure to remove the methylbenzene to obtain the modified neoprene latex.
Further, the flame retardant is selected from one or more of melamine, dimelamine pyrophosphate and melamine borate.
Further, the filler is selected from one or more of volcanic ash, perlite powder, light calcium carbonate, heavy calcium carbonate, carbon black, talcum powder, hollow glass micro-beads, silica micro-powder, mica powder, fly ash, titanium dioxide, calcium sulfate whisker, aluminum sulfate, barium sulfate, calcined kaolin and diatomite; preferably, the filler of the present invention is selected from light calcium carbonate and hollow glass beads.
Further, the weight ratio of the light calcium carbonate to the hollow glass beads is 1: 0.1 to 1; preferably, the weight ratio of the light calcium carbonate to the hollow glass beads is 1: 0.4.
further, the thixotropic agent is selected from one or more of hydrophobic fumed silica, fibrous talcum powder, polyethylene wax, castor oil derivative, polyamide and polyamide wax powder; preferably, the thixotropic agent is hydrophobic fumed silica.
Further, the adhesion promoter is a mixture of 2-ethyl-3-methylimidazole and m-xylylenediamine; further, the adhesion promoter is prepared from 2-ethyl-3-methylimidazole and m-xylylenediamine in a mass ratio of 1: 1 are mixed to obtain the product.
Further, the diluent is selected from toluene and/or xylene.
The invention also provides a preparation method of the two-component neoprene polyurethane composite rubber adhesive, which comprises the following steps:
1) preparation of modified polychloroprene latex: adding neoprene latex and a diluent into a reactor, introducing nitrogen for protection, heating to 70-90 ℃, adding methyl methacrylate and hydroxyethyl methacrylate, adding an initiator, continuing heating to 100 ℃ and 120 ℃, carrying out heat preservation reaction for 2-10h, and carrying out reduced pressure distillation to remove the diluent, thus obtaining the modified neoprene latex;
2) preparing modified polyurethane: adding polyether polyol into a reactor, heating to 105-115 ℃, vacuumizing to remove water, adding isocyanate and a catalyst according to the formula amount, reacting for 2-10h, adding KH560, and continuing to react for 1-5h to obtain modified polyurethane;
3) preparing a two-component neoprene polyurethane composite rubber adhesive: adding the modified polyurethane and the modified neoprene latex into a mixer according to the weight parts, adding the diluent, the flame retardant, the thixotropic agent and the filler, stirring uniformly, adding the adhesion promoter, stirring uniformly, and discharging to obtain the double-component neoprene composite rubber adhesive.
Has the advantages that:
the compatibility of the modified polyurethane prepared from polyether glycol with the modified neoprene latex is improved, latex molecules and long-ester side chain polymers are mutually diffused to form entanglement points, the workability in the mixture is improved, and light calcium carbonate, hollow glass beads and the like form physical crosslinking points, so that the oxidation resistance and the weather resistance of other components are better exerted, and the aging resistance of the polyurethane adhesive is greatly improved.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments, but it should not be construed that the scope of the present invention is limited to the following examples. Various substitutions and alterations can be made by those skilled in the art and by conventional means without departing from the spirit of the method of the invention described above. The isocyanate is purchased from Tantamiwanghuachemie GmbH, and the neoprene latex is purchased from Jinnan Ruiyuan chemical Co., Ltd; the methyl methacrylate and the hydroxyethyl methacrylate are purchased from Zibo Xue trade company Limited, and the 2-ethyl-3-methylimidazole and m-xylylenediamine are purchased from Chinese medicines.
Example 1
A two-component neoprene polyurethane composite rubber adhesive is prepared from the following components in parts by weight: 30 parts of modified polyurethane, 20 parts of modified neoprene latex, 10 parts of flame retardant, 20 parts of filler, 15 parts of thixotropic agent, 1 part of adhesion promoter and 20 parts of diluent;
the preparation method of the two-component neoprene polyurethane composite rubber adhesive comprises the following steps:
1) preparation of modified polychloroprene latex: putting 350 parts of neoprene latex and 630 parts of methylbenzene into a reaction kettle, introducing nitrogen for protection, heating to 85 ℃, adding 30 parts of methyl methacrylate and 40 parts of hydroxyethyl methacrylate, adding 1.0 part of initiator AIBN, heating to 110 ℃, keeping the temperature for 4 hours, and then distilling under reduced pressure to remove the methylbenzene to obtain modified neoprene latex;
2) preparing modified polyurethane: adding 10.8 parts of polyether polyol into a reactor, heating to 110-112 ℃, vacuumizing to remove water for a certain time, adding 13.0 parts of 4,4' -dicyclohexylmethane diisocyanate and 0.2 part of catalyst dibutyltin dilaurate, reacting for 3 hours, adding 0.7 part of KH560, and continuing to react for 1 hour to obtain modified polyurethane;
3) preparing a two-component neoprene polyurethane composite rubber adhesive: adding 30 parts by weight of modified polyurethane and 20 parts by weight of modified neoprene latex into a mixer, adding 20 parts by weight of diluent, 10 parts by weight of flame retardant, 15 parts by weight of thixotropic agent and 20 parts by weight of filler, stirring uniformly, adding 1 part by weight of adhesion promoter, stirring uniformly, and discharging to obtain the two-component neoprene polyurethane composite rubber adhesive;
wherein the diluent is selected from toluene; the flame retardant is selected from melamine; the thixotropic agent is selected from hydrophobic fumed silica; the filler is light calcium carbonate and hollow glass beads according to the weight ratio of 1: 0.4 of the composition of the mixture; the adhesion promoter is prepared from 2-ethyl-3-methylimidazole and m-xylylenediamine in a mass ratio of 1: 1, mixing to obtain;
the preparation method of the polyether polyol comprises the following steps:
under the condition of nitrogen, putting itaconic acid, methylsuccinic acid-5-sulfonic acid, 1, 4-dihydroxy butane and a catalyst dibutyltin dilaurate into a four-neck flask equipped with a stirrer and a water separator, heating to 150 ℃ and 170 ℃ for reaction until no water is generated in the water separator, adjusting the temperature to 130 ℃ and 150 ℃ under the condition of-0.1 MPa for polycondensation reaction, cooling the reaction liquid after the reaction is finished, putting the reaction liquid into a Soxhlet extractor, extracting with a mixed solution of water and absolute ethyl alcohol, and drying in a 60 ℃ vacuum drying box after the extraction is finished to obtain the polyether polyol; the molar ratio of the itaconic acid to the methylsuccinic acid-5-sulfonic acid to the 1, 4-dihydroxy butane to the dibutyltin dilaurate is 1: 2.2: 1: 0.02.
example 2
The component materials and the preparation method of the two-component neoprene polyurethane composite rubber adhesive are basically the same as those in example 1, and the difference is that the polyether polyol self-made in example 1 is replaced by polyoxypropylene-ethylene oxide copolymerized diol with the molecular weight of 2000-6000, and the two-component neoprene polyurethane composite rubber adhesive is purchased from red Baoli Taixing chemical company.
Example 3
The component materials and the preparation method of the two-component neoprene polyurethane composite rubber adhesive are basically the same as those in example 1, and the difference is that the polyether polyol self-made in example 1 is replaced by polyoxypropylene-ethylene oxide copolymerized triol with the molecular weight of 3000-6000, and the two-component neoprene polyurethane composite rubber adhesive is purchased from Hongbaolytexing chemical company.
Example 4
The component materials and the preparation method of the two-component neoprene polyurethane composite rubber adhesive are basically the same as those of the embodiment 1, and the difference is that the filler of the embodiment 1 is replaced by light calcium carbonate.
Comparative example 1
The component materials and the preparation method of the two-component neoprene polyurethane composite rubber adhesive are basically the same as those of the embodiment 1, and the difference is that the modified neoprene latex in the embodiment 1 is replaced by the unmodified neoprene latex.
Comparative example 2
The component materials and the preparation method of the two-component neoprene composite rubber adhesive are basically the same as those of the embodiment 1, and the difference is that the polyurethane in the embodiment 1 is replaced by the polyurethane sold in the market (the type is C-1095 and is purchased from Shanghai Kayin chemical industry).
The adhesives prepared in the above examples 1-4 and comparative examples 1-2 were tested according to JC/T482-;
TABLE 1
As can be seen from Table 1, the two-component neoprene composite rubber adhesive provided by the invention has excellent aging resistance, mechanical property and high temperature resistance.
Claims (10)
1. The two-component neoprene polyurethane composite rubber adhesive is characterized by being prepared from the following components in parts by weight: 10-50 parts of modified polyurethane, 5-30 parts of modified neoprene latex, 5-40 parts of flame retardant, 3-30 parts of filler, 1-25 parts of thixotropic agent, 0.1-2 parts of adhesion promoter and 5-30 parts of diluent.
2. The two-part neoprene composite rubber adhesive of claim 1, wherein said modified polyurethane is made from a polyether polyol, an isocyanate, a catalyst, KH560, wherein said catalyst is dibutyltin dilaurate.
3. The two-component neoprene urethane compounded rubber adhesive according to claim 2, wherein the polyether polyol is formed by condensation polymerization of itaconic acid, methylsuccinic acid-5-sulfonic acid, and 1, 4-dihydroxybutane in the presence of a catalyst.
4. The two-component neoprene urethane compounded rubber adhesive according to claim 1, wherein the modified neoprene latex is copolymerized with neoprene latex, methylmethacrylate, and hydroxyethylmethacrylate in the presence of an initiator.
5. The two-part neoprene urethane compounded rubber adhesive according to claim 1, wherein the flame retardant is one or more selected from the group consisting of melamine, dimelamine pyrophosphate and melamine borate.
6. The two-component neoprene urethane compounded rubber adhesive according to claim 1, wherein the filler is selected from one or more of volcanic ash, perlite powder, light calcium carbonate, heavy calcium carbonate, carbon black, talcum powder, hollow glass micro-beads, silica powder, mica powder, fly ash, titanium dioxide, calcium sulfate whisker, aluminum sulfate, barium sulfate, calcined kaolin and diatomite.
7. The two-part neoprene urethane compounded rubber adhesive according to claim 1, wherein the thixotropic agent is one or more selected from the group consisting of hydrophobic fumed silica, fibrous talc, polyethylene wax, castor oil derivatives, polyamide, and polyamide wax powder.
8. The two-part neoprene composite rubber adhesive of claim 1, wherein said adhesion promoter is a mixture of 2-ethyl-3-methylimidazole and m-xylylenediamine.
9. The two-part neoprene composite rubber adhesive of claim 1, wherein said diluent is selected from the group consisting of toluene and/or xylene.
10. A method of preparing the two-part neoprene composite rubber adhesive of any one of claims 1-9, comprising the steps of:
1) preparation of modified polychloroprene latex: adding neoprene latex and a diluent into a reactor, introducing nitrogen for protection, heating to 70-90 ℃, adding methyl methacrylate and hydroxyethyl methacrylate, adding an initiator, continuing heating to 100 ℃ and 120 ℃, keeping the temperature for reaction for 2-10 hours, and then carrying out reduced pressure distillation to remove the diluent, thus obtaining the modified neoprene latex;
2) preparing modified polyurethane: adding polyether polyol into a reactor, heating to 105-115 ℃, vacuumizing to remove water, adding isocyanate and a catalyst according to the formula amount, reacting for 2-10h, adding KH560, and continuing to react for 1-5h to obtain modified polyurethane;
3) preparing a two-component neoprene polyurethane composite rubber adhesive: adding the modified polyurethane and the modified neoprene latex into a mixer according to the weight parts, adding the diluent, the flame retardant, the thixotropic agent and the filler, stirring uniformly, adding the adhesion promoter, stirring uniformly, and discharging to obtain the double-component neoprene composite rubber adhesive.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115260950A (en) * | 2022-09-06 | 2022-11-01 | 广东远东高分子科技有限公司 | Bi-component water-based neoprene spray adhesive and preparation method thereof |
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| JP2000256639A (en) * | 1999-03-08 | 2000-09-19 | Toyo Ink Mfg Co Ltd | Polyurethane adhesive composition and coated material made by using the composition |
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| CN107722913A (en) * | 2017-09-15 | 2018-02-23 | 广东普赛达密封粘胶有限公司 | A kind of neoprene modified flame-retardant polyurethane sealant and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115260950A (en) * | 2022-09-06 | 2022-11-01 | 广东远东高分子科技有限公司 | Bi-component water-based neoprene spray adhesive and preparation method thereof |
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