CN114836157A - High-viscosity weather-resistant hot melt adhesive film and preparation method thereof - Google Patents
High-viscosity weather-resistant hot melt adhesive film and preparation method thereof Download PDFInfo
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- CN114836157A CN114836157A CN202210498778.4A CN202210498778A CN114836157A CN 114836157 A CN114836157 A CN 114836157A CN 202210498778 A CN202210498778 A CN 202210498778A CN 114836157 A CN114836157 A CN 114836157A
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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
- 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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- 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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/10—Adhesives in the form of films or foils without carriers
-
- 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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/35—Heat-activated
-
- 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
-
- 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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/04—Thermoplastic elastomer
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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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/304—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being heat-activatable, i.e. not tacky at temperatures inferior to 30°C
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention relates to the field of hot melt adhesive films, in particular to a preparation method of a high-viscosity weather-resistant hot melt adhesive film, which comprises the following steps: s1, mixing polyester resin, a thermoplastic composite elastomer, gamma- (3-acetylacetone) propyl alkoxy silane, tetrabromobisphenol A and a surfactant, and then introducing the mixture into a spray dryer for drying to obtain a composite material; s2, putting the composite material obtained in the step S1, antimony trioxide, an antioxidant, a stabilizer and a cosolvent into an extruder, melting, blending and extruding, cooling and shaping, and finally obtaining the high-viscosity weather-resistant hot melt adhesive film through a rolling process. The invention provides a high-performance high-viscosity weather-resistant hot melt adhesive film and a preparation method thereof.
Description
Technical Field
The invention relates to the field of hot melt adhesive films, in particular to a high-viscosity weather-resistant hot melt adhesive film and a preparation method thereof.
Background
The hot melt adhesive film is a film product which is prepared by rolling, casting, blowing and the like the hot melt adhesive and is easy for industrial production. Compared with other hot melt adhesive products, the hot melt adhesive film has the following advantages: (1) the operation is simple and convenient, the complex gluing process is not needed, and the hot melt adhesive film is only required to be laid at the gluing joint; (2) the hot melting bonding is carried out, and the bonding of a bonding part only needs a few seconds or dozens of seconds, so that the work efficiency can be greatly improved. (3) The production and use processes of the hot melt adhesive film are pollution-free. The consumption of the global hot melt adhesive is over 120 million tons in 2000, wherein the consumption of the hot melt adhesive film accounts for more than 60%, and the demand of the solvent-free, pollution-free and pollution-free hot melt adhesive film on the market is continuously expanded, so that the method is the main direction for the development of the current adhesive industry.
However, in the field of hot melt adhesive films, the weather resistance and the metal adhesion are two mutually weakened performances, and in the hot melt adhesive films on the market, the phenomenon that the weather resistance and the metal adhesion are difficult to achieve balance often occurs.
Disclosure of Invention
In order to solve the technical problems, the invention provides a high-performance high-viscosity weather-resistant hot melt adhesive film and a preparation method thereof.
The invention adopts the following technical scheme:
a preparation method of a high-viscosity weather-resistant hot melt adhesive film comprises the following steps:
s1, mixing polyester resin, a thermoplastic composite elastomer, gamma- (3-acetylacetone) propyl alkoxy silane, tetrabromobisphenol A and a surfactant, and then introducing the mixture into a spray dryer for drying to obtain a composite material;
s2, putting the composite material obtained in the step S1, antimony trioxide, an antioxidant, a stabilizer and a cosolvent into an extruder, melting, blending and extruding, cooling and shaping, and finally obtaining the high-viscosity weather-resistant hot melt adhesive film through a rolling process.
The technical proposal is further improved in that the molecular weight of the polyester resin is 30000-45000.
The technical proposal is further improved in that the thermoplastic composite elastomer is a mixture of styrene-butadiene rubber and chloroprene rubber.
The technical proposal is further improved in that the mass ratio of the styrene butadiene rubber to the chloroprene rubber is 4: 1.
the technical proposal is further improved in that the surfactant is one or more of sodium dodecyl benzene sulfonate, polyoxyethylene sorbitan monooleate and sorbitan fatty acid ester.
The technical proposal is further improved in that the mass ratio of the tetrabromobisphenol A to the antimony trioxide is 2: 1.
the technical proposal is further improved in that the antioxidant is one or two of beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid n-octadecyl ester and tetra [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester.
The technical proposal is further improved in that the stabilizer is one or two of magnesium oxide and calcium oxide.
A high-viscosity weather-resistant hot melt adhesive film is prepared by using the preparation method.
The technical scheme is further improved in that the high-viscosity weather-resistant hot melt adhesive film comprises the following components in parts by mass:
the invention has the beneficial effects that:
the polyester resin and the thermoplastic composite elastomer are used as main body resins, so that the softness is increased, the metal force of hot-melt adhesive is improved, and meanwhile, the two main body resins have good impact resistance, extremely high rigidity strength and high toughness, and good weather resistance such as thermal stability, wear resistance, high temperature resistance, chemical corrosion resistance and the like; gamma- (3-acetylacetone) propyl alkoxy silane is introduced, acetylacetone can form a chelate on the surface of metal, so that the adoption of the gamma- (3-acetylacetone) propyl alkoxy silane containing the group can effectively improve the adhesive strength between an adhesive film and the metal, and enables the failure form to be converted from adhesive failure into cohesive failure, and the gamma- (3-acetylacetone) propyl alkoxy silane is suitable for common metal materials such as steel, aluminum alloy and the like; the invention also adds tetrabromobisphenol A, compared with other halogen flame retardants, the flame retardant is more environment-friendly and efficient, has high flame retardant performance, good heat resistance and difficult dialysis, and also adds antimonous oxide as a synergist to act together with tetrabromobisphenol A, and the metal ion active ingredients in the antimonous oxide and the tetrabromobisphenol A act to increase hydrogen halide reaction and release more effective flame retardant-metal halide. The metal halide has bright appearance without cracks, and can ensure that the hot melt adhesive has better insulativity, thereby improving the flame retardance.
Detailed Description
The invention will now be further illustrated by reference to specific examples, which are intended to be illustrative of the invention and are not intended to be a further limitation of the invention.
A preparation method of a high-viscosity weather-resistant hot melt adhesive film comprises the following steps:
s1, mixing polyester resin, a thermoplastic composite elastomer, gamma- (3-acetylacetone) propyl alkoxy silane, tetrabromobisphenol A and a surfactant, and then introducing the mixture into a spray dryer for drying to obtain a composite material;
s2, putting the composite material obtained in the step S1, antimony trioxide, an antioxidant, a stabilizer and a cosolvent into an extruder, melting, blending and extruding, cooling and shaping, and finally obtaining the high-viscosity weather-resistant hot melt adhesive film through a rolling process.
Further, the molecular weight of the polyester resin is 30000-45000.
Further, the thermoplastic composite elastomer is a mixture of styrene butadiene rubber and chloroprene rubber.
Further, the mass ratio of the styrene-butadiene rubber to the chloroprene rubber is 4: 1.
further, the surfactant is one or more of sodium dodecyl benzene sulfonate, polyoxyethylene sorbitan monooleate and sorbitan fatty acid ester.
Further, the mass ratio of the tetrabromobisphenol A to the antimony trioxide is 2: 1.
further, the antioxidant is one or two of beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid n-octadecyl ester and tetra [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester.
Further, the stabilizer is one or two of magnesium oxide and calcium oxide.
A high-viscosity weather-resistant hot melt adhesive film is prepared by using the preparation method.
Further, the high-viscosity weather-resistant hot melt adhesive film comprises the following components in parts by mass: 50-70 parts of polyester resin; 45-60 parts of thermoplastic composite elastomer; 4-20 parts of tetrabromobisphenol A; 2-5 parts of antimony trioxide; 1-5 parts of gamma- (3-acetylacetone) propyl alkoxy silane; 1-2 parts of a surfactant; 0.1-1 part of antioxidant; 0.1-0.5 part of stabilizer.
Example 1
The preparation method of the high-viscosity weather-resistant hot melt adhesive film is characterized by comprising the following steps:
s1, mixing 50 parts of polyester resin, 45 parts of thermoplastic composite elastomer, 3 parts of gamma- (3-acetylacetone) propyl alkoxy silane, 4 parts of tetrabromobisphenol A and 1 part of sodium dodecyl benzene sulfonate, and then introducing into a spray dryer for drying to obtain a composite material;
s2, putting the composite material obtained in the step S1, 2 parts of antimony trioxide, 0.1 part of beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) n-octadecyl propionate, 0.1 part of magnesium oxide and a cosolvent into an extruder, melting, blending and extruding, cooling for shaping, and finally obtaining the high-viscosity weather-resistant hot melt adhesive film through a rolling process.
Wherein the molecular weight of the polyester resin is 30000; the cosolvent is a mixture of water and ethanol.
Example 2
The preparation method of the high-viscosity weather-resistant hot melt adhesive film is characterized by comprising the following steps:
s1, mixing 55 parts of polyester resin, 50 parts of thermoplastic composite elastomer, 3 parts of gamma- (3-acetylacetone) propyl alkoxy silane, 6 parts of tetrabromobisphenol A and 1 part of polyoxyethylene sorbitan monooleate, and then introducing the mixture into a spray dryer for drying to obtain a composite material;
s2, putting the composite material obtained in the step S1, 3 parts of antimony trioxide, 0.1 part of beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) n-octadecyl propionate, 0.1 part of magnesium oxide and a cosolvent into an extruder, melting, blending and extruding, cooling for shaping, and finally obtaining the high-viscosity weather-resistant hot melt adhesive film through a rolling process.
Wherein the molecular weight of the polyester resin is 35000; the cosolvent is a mixture of water and ethanol.
Example 3
The preparation method of the high-viscosity weather-resistant hot melt adhesive film is characterized by comprising the following steps:
s1, mixing 60 parts of polyester resin, 45 parts of thermoplastic composite elastomer, 3 parts of gamma- (3-acetylacetone) propyl alkoxy silane, 8 parts of tetrabromobisphenol A and 1.5 parts of polyoxyethylene sorbitan monooleate, and then introducing the mixture into a spray dryer for drying to obtain a composite material;
s2, putting the composite material obtained in the step S1, 4 parts of antimony trioxide, 1 part of pentaerythrityl tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ], 0.5 part of calcium oxide and a cosolvent into an extruder, melting, blending and extruding, cooling and shaping, and finally obtaining the high-viscosity weather-resistant hot melt adhesive film through a rolling process.
Wherein the molecular weight of the polyester resin is 45000; the cosolvent is a mixture of water and ethanol.
Example 4
The preparation method of the high-viscosity weather-resistant hot melt adhesive film is characterized by comprising the following steps:
s1, mixing 66 parts of polyester resin, 60 parts of thermoplastic composite elastomer, 3 parts of gamma- (3-acetylacetone) propyl alkoxy silane, 10 parts of tetrabromobisphenol A and 1 part of sorbitan fatty acid ester, and then introducing the mixture into a spray dryer for drying to obtain a composite material;
s2, putting the composite material obtained in the step S1, 5 parts of antimony trioxide, 0.1 part of n-octadecyl beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate, 0.1 part of a mixture of magnesium oxide and calcium oxide and a cosolvent into an extruder, melting, blending and extruding, cooling for shaping, and finally obtaining the high-viscosity weather-resistant hot melt adhesive film through a rolling process.
Wherein the molecular weight of the polyester resin is 40000; the cosolvent is a mixture of water and ethanol.
The hot melt adhesive film materials of examples 1-4 were subjected to performance testing, see table 1.
The test method is as follows: 1. and (3) testing the instant metal adhesion force:
step 1: taking a sample of 25.4 × 150mm, generally 1 Pcs;
step 2: adhering transparent adhesive to PET surfaces at two ends of a sample, reserving a half, and adhering 2Pcs of a tinned wire and bare copper with specifications of 0.35mm multiplied by 0.30mm to the transparent adhesive in parallel with the trimming edge of the sample;
and step 3: pressing at 170 deg.C at a speed of 1.5m/min and a pressure of 0.4mpa.s, and standing for 5 min;
and 4, step 4: 2cm of metal wire is pulled open and placed on an upper chuck of a tensile machine, a sample film is placed on a lower chuck, and the span between the chucks of the tensile machine is set to be 20mm (the speed is 100 mm/min);
and 5: the testing stroke is 50-70mm, the average force displayed by the tensile machine is recorded, the force is the metal bonding force (g/0.3mm) of the tested sample, and when the metal bonding force is more than or equal to 26g/0.3mm, the product reaches the qualified standard.
2. 85%, 145 ℃, 24 hour metal adhesion test:
step 1: taking a sample of 25.4 × 150mm, generally 1 Pcs;
step 2: adhering transparent adhesive to PET surfaces at two ends of a sample, reserving a half, and adhering 2Pcs of a tinned wire and bare copper with specifications of 0.35mm multiplied by 0.30mm to the transparent adhesive in parallel with the trimming edge of the sample;
and step 3: pressing at 170 deg.C at speed of 1.5m/min and pressure of 0.4mpa.s, and placing in oven at 85% and 145 deg.C for 24 hr;
and 4, step 4: 2cm of metal wires are pulled open and placed on an upper chuck of a tensile machine, a sample film is placed on a lower chuck, and the span between the chucks of the tensile machine is set to be 20mm (the speed is 100 mm/min);
and 5: the testing stroke is 50-70mm, the average force displayed by the tensile machine is recorded, the force is the metal bonding force (g/0.3mm) of the tested sample, and when the metal bonding force is more than or equal to 30g/0.3mm, the product reaches the qualified standard.
3. And (3) carrying out a combustion test of UL94VTM-0 standard level on the test sample, detecting whether the test sample passes the UL94VTM-0 level, and observing the smoke amount condition during the combustion test.
TABLE 1 Properties of the Hot melt adhesive film materials of examples 1-4
After materials such as gamma- (3-acetylacetone) propyl alkoxy silane and the like are introduced into the hot melt adhesive film prepared in the embodiment, the hot melt adhesive film disclosed by the invention further has good metal adhesion and weather resistance, and also has strong flame retardance and heat resistance.
Variations and modifications to the above-described embodiments may also occur to those skilled in the art to which the invention pertains. Therefore, the above examples illustrate the detailed methods of the present invention, but the present invention is not limited to the specific embodiments disclosed and described above, and it is not meant that the present invention must rely on the above detailed methods for implementation, any modifications and changes of the present invention, equivalent substitutions of the raw materials of the product of the present invention and the addition of auxiliary components, selection of specific embodiments, etc., should also fall within the scope of the claims of the present invention.
Claims (10)
1. The preparation method of the high-viscosity weather-resistant hot melt adhesive film is characterized by comprising the following steps:
s1, mixing polyester resin, a thermoplastic composite elastomer, gamma- (3-acetylacetone) propyl alkoxy silane, tetrabromobisphenol A and a surfactant, and then introducing the mixture into a spray dryer for drying to obtain a composite material;
s2, putting the composite material obtained in the step S1, antimony trioxide, an antioxidant, a stabilizer and a cosolvent into an extruder, melting, blending and extruding, cooling and shaping, and finally obtaining the high-viscosity weather-resistant hot melt adhesive film through a rolling process.
2. The method for preparing a high-adhesion weather-resistant hot melt adhesive film as claimed in claim 1, wherein the molecular weight of the polyester resin is 30000-45000.
3. The method for preparing a high-adhesion weather-resistant hot melt adhesive film as claimed in claim 1, wherein the thermoplastic composite elastomer is a mixture of styrene-butadiene rubber and chloroprene rubber.
4. The preparation method of the high-viscosity weather-resistant hot melt adhesive film as claimed in claim 3, wherein the mass ratio of the styrene-butadiene rubber to the chloroprene rubber is 4: 1.
5. the method for preparing a high-viscosity weather-resistant hot melt adhesive film according to claim 1, wherein the surfactant is one or more of sodium dodecyl benzene sulfonate, polyoxyethylene sorbitan monooleate and sorbitan fatty acid ester.
6. The preparation method of the high-viscosity weather-resistant hot melt adhesive film as claimed in claim 1, wherein the mass ratio of the tetrabromobisphenol A to the antimony trioxide is 2: 1.
7. a method for preparing a high-viscosity weather-resistant hot melt adhesive film according to claim 1, wherein the antioxidant is one or two of n-octadecyl beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate and pentaerythritol tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ].
8. The method for preparing a high-viscosity weather-resistant hot melt adhesive film according to claim 1, wherein the stabilizer is one or two of magnesium oxide and calcium oxide.
9. A high-adhesion weather-resistant hot melt adhesive film, which is prepared by using the preparation method as claimed in any one of claims 1 to 8.
10. The high-viscosity weather-resistant hot melt adhesive film as claimed in claim 9, wherein the high-viscosity weather-resistant hot melt adhesive film comprises the following components in parts by mass:
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1566213A (en) * | 2003-06-25 | 2005-01-19 | 中国科学院化学研究所 | Silicon rubber composition and its preparation process and use |
| CN108034368A (en) * | 2017-12-15 | 2018-05-15 | 中国科学院长春应用化学研究所 | A kind of VOC free automobile using hot melt adhesive film and preparation method thereof |
| CN108753188A (en) * | 2018-04-26 | 2018-11-06 | 广东莱尔新材料科技股份有限公司 | A kind of metallic plate overlay film pre-coating film of the high bonding force of low temperature and preparation method thereof |
| CN110452653A (en) * | 2019-07-29 | 2019-11-15 | 广东莱尔新材料科技股份有限公司 | A kind of weather-proof hot melt adhesive of high viscous force and preparation method thereof and hot melt adhesive film |
| CN113717676A (en) * | 2021-08-25 | 2021-11-30 | 深圳市睿晖新材料有限公司 | Flame-retardant hot melt adhesive, flame-retardant hot melt adhesive film and flexible wire rod |
-
2022
- 2022-05-09 CN CN202210498778.4A patent/CN114836157A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1566213A (en) * | 2003-06-25 | 2005-01-19 | 中国科学院化学研究所 | Silicon rubber composition and its preparation process and use |
| CN108034368A (en) * | 2017-12-15 | 2018-05-15 | 中国科学院长春应用化学研究所 | A kind of VOC free automobile using hot melt adhesive film and preparation method thereof |
| CN108753188A (en) * | 2018-04-26 | 2018-11-06 | 广东莱尔新材料科技股份有限公司 | A kind of metallic plate overlay film pre-coating film of the high bonding force of low temperature and preparation method thereof |
| CN110452653A (en) * | 2019-07-29 | 2019-11-15 | 广东莱尔新材料科技股份有限公司 | A kind of weather-proof hot melt adhesive of high viscous force and preparation method thereof and hot melt adhesive film |
| CN113717676A (en) * | 2021-08-25 | 2021-11-30 | 深圳市睿晖新材料有限公司 | Flame-retardant hot melt adhesive, flame-retardant hot melt adhesive film and flexible wire rod |
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