CN111171749A - Silicone membrane capable of being bonded with other plastic materials and preparation method thereof - Google Patents
Silicone membrane capable of being bonded with other plastic materials and preparation method thereof Download PDFInfo
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- CN111171749A CN111171749A CN202010184516.1A CN202010184516A CN111171749A CN 111171749 A CN111171749 A CN 111171749A CN 202010184516 A CN202010184516 A CN 202010184516A CN 111171749 A CN111171749 A CN 111171749A
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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
- 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
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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
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
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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
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
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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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/25—Plastics; Metallised plastics based on macromolecular compounds obtained otherwise than by reactions involving only 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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
- C09J2483/00—Presence of polysiloxane
- C09J2483/006—Presence of polysiloxane in the substrate
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- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a preparation method of a silica gel film capable of being bonded with other plastic materials, which comprises the following steps: s1, preparing a bottom die: producing a TPU hot melt adhesive base film by adopting a TPU hot melt adhesive raw material through a vacuum hot press molding technology for later use; s2, preparing an adhesive: diluting the viscosity of the thermosetting adhesive, and standing for later use; s3, preparing liquid silica gel: taking AB two-component liquid silica gel according to a certain proportion, placing the mixture in a stirring kettle, stirring for 10 minutes, and standing for later use; s4, defoaming: placing the prepared liquid silica gel in a vacuum defoaming machine, and defoaming for 2 hours; s5, coating and attaching; the invention has scientific and reasonable structure and safe and convenient use, and can ensure the integral stability of the product, avoid the peeling of insufficient adhesive fastness, improve the stability of the adhesive fastness, simplify the process, facilitate the flow control, greatly improve the processing convenience and facilitate the popularization and application by preparing the base film, combining the mode of coating the liquid silica gel to form the film and then laminating the base film and the film-forming silica gel.
Description
Technical Field
The invention relates to the technical field of silicone membranes, in particular to a silicone membrane capable of being bonded with other plastic materials and a preparation method thereof.
Background
In recent decade, silica gel materials have been rapidly developed in the fields of automobile industry, electronic and electrical industry and textile industry due to their excellent physical properties and environmental protection performance, and after liquid silica gel is contacted or mixed with nitrogen, phosphorus, sulfur, tin, lead, mercury, alcohols and the like, the liquid silica gel cannot be cured or is not cured completely, so that how to bond the silica gel with plastic materials is a difficult problem in the industry of plastic materials.
Disclosure of Invention
The invention provides a silica gel film capable of being bonded with other plastic materials and a preparation method thereof, which can effectively solve the problem that how to combine the silica gel with the plastic materials is difficult in the plastic material industry in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a preparation method of a silica gel film capable of being bonded with other plastic materials comprises the following steps:
s1, preparing a bottom die: producing a TPU hot melt adhesive base film by adopting a TPU hot melt adhesive raw material through a vacuum hot press molding technology for later use;
s2, preparing an adhesive: diluting the viscosity of the thermosetting adhesive, and standing for later use;
s3, preparing liquid silica gel: taking AB two-component liquid silica gel according to a certain proportion, placing the mixture in a stirring kettle, stirring for 10 minutes, and standing for later use;
s4, defoaming: placing the prepared liquid silica gel in a vacuum defoaming machine, and defoaming for 2 hours;
s5, coating and attaching:
first coating: uniformly coating liquid silica gel on release paper, and drying;
coating for the second time: uniformly coating an adhesive on the dried and formed silica gel;
adhering the TPU hot melt adhesive base film under the condition that the adhesive is dried to be in a half-dry state, pressing a roller, and then feeding into a drying oven until the adhesive is completely cured;
6. and (3) curing at normal temperature: and rolling and storing the attached hot melt adhesive film and release paper together, and curing at normal temperature for 24 hours to obtain the silica gel film capable of being bonded with other plastic materials.
According to the technical scheme, the TPU hot melt adhesive film in the step S1 comprises 70-80% of TPU hot melt adhesive particles, 10-15% of nano silicon dioxide master batches and 5-10% of antioxidant.
According to the technical scheme, the preparation method of the TPU hot melt adhesive film comprises the following steps:
p1, weighing the raw materials according to the mass percentage for later use;
p2, adding the raw materials into a mixer, and mixing to obtain a mixed raw material;
p3, putting the mixed raw materials into a dryer, and heating and drying to obtain dried raw materials;
p4, feeding the dry raw materials into a casting machine, and extruding to form a film blank;
and P5, feeding the film blank into a calender for calendering treatment, thus obtaining the TPU hot melt adhesive film.
According to the technical scheme, in the step P2, the rotating speed of the mixer is 25 to 40 revolutions per minute, and the mixture is uniformly stirred for 20 to 30 minutes;
heating the drier in the step P3 to 50-60 ℃, and drying for 1-2 hours;
the thickness of the TPU hot melt adhesive film in the step P5 is 0.1 mm to 0.3 mm.
According to the technical scheme, the antioxidant is a hindered phenol antioxidant.
According to the above technical solution, the thermosetting adhesive in step S2 is one of epoxy resin, phenolic resin, or polyurethane;
the viscosity was adjusted to 3000mPas to 5000mPas, measured according to GB/T9751.1-2008 (viscosity measurement with a rotational viscometer).
According to the technical scheme, the AB two-component liquid silica gel in the step S3 is as follows:
a main agent: a silicone polymer;
curing agent: silicone polymers, catalysts;
the adding proportion is 10: 1-3.
According to the technical scheme, the organic silicon polymer is hydroxyl-terminated polydimethylsiloxane, and the catalyst is dibenzoyl peroxide or 25-dimethyl 5-di-tert-butyl peroxy hexane.
According to the technical scheme, in the step S5, the coating thickness is 40-50 micrometers, the drying temperature is 120 ℃, and the time is 10 minutes.
According to the technical scheme, the silicone membrane capable of being bonded with other plastic materials is prepared by the preparation method of the silicone membrane capable of being bonded with other plastic materials.
Compared with the prior art, the invention has the beneficial effects that: the invention has scientific and reasonable structure and safe and convenient use, and can ensure the integral stability of the product, avoid the peeling of insufficient adhesive fastness, improve the stability of the adhesive fastness, simplify the process, facilitate the flow control, greatly improve the processing convenience and facilitate the popularization and application by preparing the base film, combining the mode of coating the liquid silica gel to form the film and then laminating the base film and the film-forming silica gel.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic flow diagram of a preparation process of the present invention;
FIG. 2 is a schematic diagram of the preparation process of the TPU hot melt adhesive film of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example 1: as shown in fig. 1-2, the invention provides a technical scheme, and a preparation method of a silica gel film capable of being bonded with other plastic materials comprises the following steps:
s1, preparing a bottom die: producing a TPU hot melt adhesive base film by adopting a TPU hot melt adhesive raw material through a vacuum hot press molding technology for later use;
s2, preparing an adhesive: diluting the viscosity of the thermosetting adhesive, and standing for later use;
s3, preparing liquid silica gel: taking AB two-component liquid silica gel according to a certain proportion, placing the mixture in a stirring kettle, stirring for 10 minutes, and standing for later use;
s4, defoaming: placing the prepared liquid silica gel in a vacuum defoaming machine, and defoaming for 2 hours;
s5, coating and attaching:
first coating: uniformly coating liquid silica gel on release paper, and drying;
coating for the second time: uniformly coating an adhesive on the dried and formed silica gel;
adhering the TPU hot melt adhesive base film under the condition that the adhesive is dried to be in a half-dry state, pressing a roller, and then feeding into a drying oven until the adhesive is completely cured;
6. and (3) curing at normal temperature: and rolling and storing the attached hot melt adhesive film and release paper together, and curing at normal temperature for 24 hours to obtain the silica gel film capable of being bonded with other plastic materials.
According to the technical scheme, the TPU hot melt adhesive film in the step S1 comprises 70% of TPU hot melt adhesive particles, 15% of nano silicon dioxide master batches and 5% of antioxidant.
According to the technical scheme, the preparation method of the TPU hot melt adhesive film comprises the following steps:
p1, weighing the raw materials according to the mass percentage for later use;
p2, adding the raw materials into a mixer, and mixing to obtain a mixed raw material;
p3, putting the mixed raw materials into a dryer, and heating and drying to obtain dried raw materials;
p4, feeding the dry raw materials into a casting machine, and extruding to form a film blank;
and P5, feeding the film blank into a calender for calendering treatment, thus obtaining the TPU hot melt adhesive film.
According to the technical scheme, in the step P2, the rotating speed of the mixer is 25 revolutions per minute, and the mixture is uniformly stirred for 30 minutes;
in the step P3, the dryer heats to 60 ℃ and dries for 2 hours;
the TPU hot melt adhesive film thickness in step P5 was 0.1 mm.
According to the technical scheme, the antioxidant is a hindered phenol antioxidant.
According to the above technical solution, the thermosetting adhesive in step S2 is epoxy resin;
the viscosity was adjusted to 3000mPas to 5000mPas, measured according to GB/T9751.1-2008 (viscosity measurement with a rotational viscometer).
According to the above technical scheme, the AB two-component liquid silica gel in step S3 is:
a main agent: a silicone polymer;
curing agent: silicone polymers, catalysts;
the addition ratio was 10: 1.
According to the technical scheme, the organic silicon polymer is hydroxyl-terminated polydimethylsiloxane, and the catalyst is dibenzoyl peroxide.
According to the technical scheme, in the step S5, the coating thickness is 50 micrometers, the drying temperature is 120 ℃, and the time is 10 minutes.
According to the technical scheme, the silicone membrane capable of being bonded with other plastic materials is prepared by the preparation method of the silicone membrane capable of being bonded with other plastic materials.
Example 2: as shown in fig. 1-2, the invention provides a technical scheme, and a preparation method of a silica gel film capable of being bonded with other plastic materials comprises the following steps:
s1, preparing a bottom die: producing a TPU hot melt adhesive base film by adopting a TPU hot melt adhesive raw material through a vacuum hot press molding technology for later use;
s2, preparing an adhesive: diluting the viscosity of the thermosetting adhesive, and standing for later use;
s3, preparing liquid silica gel: taking AB two-component liquid silica gel according to a certain proportion, placing the mixture in a stirring kettle, stirring for 10 minutes, and standing for later use;
s4, defoaming: placing the prepared liquid silica gel in a vacuum defoaming machine, and defoaming for 2 hours;
s5, coating and attaching:
first coating: uniformly coating liquid silica gel on release paper, and drying;
coating for the second time: uniformly coating an adhesive on the dried and formed silica gel;
adhering the TPU hot melt adhesive base film under the condition that the adhesive is dried to be in a half-dry state, pressing a roller, and then feeding into a drying oven until the adhesive is completely cured;
6. and (3) curing at normal temperature: and rolling and storing the attached hot melt adhesive film and release paper together, and curing at normal temperature for 24 hours to obtain the silica gel film capable of being bonded with other plastic materials.
According to the technical scheme, the TPU hot melt adhesive film in the step S1 comprises 70% of TPU hot melt adhesive particles, 15% of nano silicon dioxide master batches and 10% of antioxidant.
According to the technical scheme, the preparation method of the TPU hot melt adhesive film comprises the following steps:
p1, weighing the raw materials according to the mass percentage for later use;
p2, adding the raw materials into a mixer, and mixing to obtain a mixed raw material;
p3, putting the mixed raw materials into a dryer, and heating and drying to obtain dried raw materials;
p4, feeding the dry raw materials into a casting machine, and extruding to form a film blank;
and P5, feeding the film blank into a calender for calendering treatment, thus obtaining the TPU hot melt adhesive film.
According to the technical scheme, in the step P2, the rotating speed of the mixer is 40 revolutions per minute, and the mixture is uniformly stirred for 20 minutes;
in the step P3, the dryer heats to 60 ℃ and dries for 1 hour;
the TPU hot melt adhesive film thickness in step P5 was 0.3 mm.
According to the technical scheme, the antioxidant is a hindered phenol antioxidant.
According to the technical scheme, the thermosetting adhesive in the step S2 is polyurethane;
the viscosity was adjusted to 3000mPas to 5000mPas, measured according to GB/T9751.1-2008 (viscosity measurement with a rotational viscometer).
According to the above technical scheme, the AB two-component liquid silica gel in step S3 is:
a main agent: a silicone polymer;
curing agent: silicone polymers, catalysts;
the addition ratio was 10: 2.
According to the technical scheme, the organic silicon polymer is hydroxyl-terminated polydimethylsiloxane, and the catalyst is 25-dimethyl 5-di-tert-butyl peroxy hexane.
According to the technical scheme, in the step S5, the coating thickness is 50 micrometers, the drying temperature is 120 ℃, and the time is 10 minutes.
According to the technical scheme, the silicone membrane capable of being bonded with other plastic materials is prepared by the preparation method of the silicone membrane capable of being bonded with other plastic materials.
Example 3: as shown in fig. 1-2, the invention provides a technical scheme, and a preparation method of a silica gel film capable of being bonded with other plastic materials comprises the following steps:
s1, preparing a bottom die: producing a TPU hot melt adhesive base film by adopting a TPU hot melt adhesive raw material through a vacuum hot press molding technology for later use;
s2, preparing an adhesive: diluting the viscosity of the thermosetting adhesive, and standing for later use;
s3, preparing liquid silica gel: taking AB two-component liquid silica gel according to a certain proportion, placing the mixture in a stirring kettle, stirring for 10 minutes, and standing for later use;
s4, defoaming: placing the prepared liquid silica gel in a vacuum defoaming machine, and defoaming for 2 hours;
s5, coating and attaching:
first coating: uniformly coating liquid silica gel on release paper, and drying;
coating for the second time: uniformly coating an adhesive on the dried and formed silica gel;
adhering the TPU hot melt adhesive base film under the condition that the adhesive is dried to be in a half-dry state, pressing a roller, and then feeding into a drying oven until the adhesive is completely cured;
6. and (3) curing at normal temperature: and rolling and storing the attached hot melt adhesive film and release paper together, and curing at normal temperature for 24 hours to obtain the silica gel film capable of being bonded with other plastic materials.
According to the technical scheme, the TPU hot melt adhesive film in the step S1 comprises 77% of TPU hot melt adhesive particles, 14% of nano silicon dioxide master batches and 9% of antioxidant.
According to the technical scheme, the preparation method of the TPU hot melt adhesive film comprises the following steps:
p1, weighing the raw materials according to the mass percentage for later use;
p2, adding the raw materials into a mixer, and mixing to obtain a mixed raw material;
p3, putting the mixed raw materials into a dryer, and heating and drying to obtain dried raw materials;
p4, feeding the dry raw materials into a casting machine, and extruding to form a film blank;
and P5, feeding the film blank into a calender for calendering treatment, thus obtaining the TPU hot melt adhesive film.
According to the technical scheme, in the step P2, the rotating speed of the mixer is 40 revolutions per minute, and the mixture is uniformly stirred for 30 minutes;
in the step P3, the dryer is heated to 55 ℃ and dried for 1.5 hours;
the TPU hot melt adhesive film thickness in step P5 was 0.2 mm.
According to the technical scheme, the antioxidant is a hindered phenol antioxidant.
According to the technical scheme, the thermosetting adhesive in the step S2 is phenolic resin;
the viscosity was adjusted to 3000mPas to 5000mPas, measured according to GB/T9751.1-2008 (viscosity measurement with a rotational viscometer).
According to the above technical scheme, the AB two-component liquid silica gel in step S3 is:
a main agent: a silicone polymer;
curing agent: silicone polymers, catalysts;
the addition ratio was 10: 3.
According to the technical scheme, the organic silicon polymer is hydroxyl-terminated polydimethylsiloxane, and the catalyst is 25-dimethyl 5-di-tert-butyl peroxy hexane.
According to the technical scheme, in the step S5, the coating thickness is 50 micrometers, the drying temperature is 120 ℃, and the time is 10 minutes.
According to the technical scheme, the silicone membrane capable of being bonded with other plastic materials is prepared by the preparation method of the silicone membrane capable of being bonded with other plastic materials.
The test results of the silicone membranes prepared in examples 1-3 above were as follows:
| contrast item | Example 1 | Example 2 | Example 3 |
| Degree of adhesion (kgf/25 mm) | 1.8 | 1.8 | 1.7 |
| High temperature resistance (55 degree) | Does not crack | Does not crack | Does not crack |
| Low temperature resistance ability (-45 degree) | Is normal | Is normal | Is normal |
Through the comparison, the embodiment 1-3 meets the requirements, the base film is prepared, the liquid silica gel is coated to form a film, and then the base film is attached to the film-forming silica gel, so that the overall stability of the product can be ensured, the peeling of insufficient bonding fastness is avoided, the stability of the bonding fastness is improved, the process is simplified, the process control is facilitated, the processing convenience is greatly improved, and the popularization and the application are facilitated.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A preparation method of a silica gel film capable of being bonded with other plastic materials is characterized in that: the method comprises the following steps:
s1, preparing a bottom die: producing a TPU hot melt adhesive base film by adopting a TPU hot melt adhesive raw material through a vacuum hot press molding technology for later use;
s2, preparing an adhesive: diluting the viscosity of the thermosetting adhesive, and standing for later use;
s3, preparing liquid silica gel: taking AB two-component liquid silica gel according to a certain proportion, placing the mixture in a stirring kettle, stirring for 10 minutes, and standing for later use;
s4, defoaming: placing the prepared liquid silica gel in a vacuum defoaming machine, and defoaming for 2 hours;
s5, coating and attaching:
first coating: uniformly coating liquid silica gel on release paper, and drying;
coating for the second time: uniformly coating an adhesive on the dried and formed silica gel;
adhering the TPU hot melt adhesive base film under the condition that the adhesive is dried to be in a half-dry state, pressing a roller, and then feeding into a drying oven until the adhesive is completely cured;
6. and (3) curing at normal temperature: and rolling and storing the attached hot melt adhesive film and release paper together, and curing at normal temperature for 24 hours to obtain the silica gel film capable of being bonded with other plastic materials.
2. The method for preparing the silicone membrane capable of being bonded with other plastic materials according to claim 1, wherein the TPU hot melt adhesive membrane in the step S1 comprises 70% -80% of TPU hot melt adhesive particles, 10% -15% of nano silica master batch and 5% -10% of antioxidant.
3. The method for preparing the silicone film capable of adhering other plastic materials according to claim 2, wherein the method for preparing the TPU hot melt adhesive film comprises the following steps:
p1, weighing the raw materials according to the mass percentage for later use;
p2, adding the raw materials into a mixer, and mixing to obtain a mixed raw material;
p3, putting the mixed raw materials into a dryer, and heating and drying to obtain dried raw materials;
p4, feeding the dry raw materials into a casting machine, and extruding to form a film blank;
and P5, feeding the film blank into a calender for calendering treatment, thus obtaining the TPU hot melt adhesive film.
4. The method according to claim 3, wherein the mixer is rotated at 25 rpm to 40 rpm in the step P2, and the silicone film is uniformly stirred for 20 minutes to 30 minutes;
heating the drier in the step P3 to 50-60 ℃, and drying for 1-2 hours;
the thickness of the TPU hot melt adhesive film in the step P5 is 0.1 mm to 0.3 mm.
5. The method for preparing a silicone membrane capable of adhering to other plastic materials as claimed in claim 1, wherein the antioxidant is hindered phenol antioxidant.
6. The method according to claim 1, wherein the thermosetting adhesive in step S2 is one of epoxy resin, phenolic resin or polyurethane;
the viscosity was adjusted to 3000mPas to 5000mPas, measured according to GB/T9751.1-2008 (viscosity measurement with a rotational viscometer).
7. The method for preparing a silicone membrane capable of adhering other plastic materials according to claim 1, wherein the AB two-component liquid silicone gel in step S3 is:
a main agent: a silicone polymer;
curing agent: silicone polymers, catalysts;
the adding proportion is 10: 1-3.
8. The method as claimed in claim 7, wherein the silicone polymer is hydroxy terminated polydimethylsiloxane, and the catalyst is dibenzoyl peroxide or 25-dimethylol 5-di-t-butylperoxyhexane.
9. The method according to claim 1, wherein in step S5, the coating thickness is 40 to 50 microns, the drying temperature is 120 ℃, and the time is 10 minutes.
10. A silicone membrane capable of being bonded with other plastic materials, which is characterized by being prepared by the preparation method of the silicone membrane capable of being bonded with other plastic materials according to any one of claims 1 to 9.
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| WO2022062246A1 (en) * | 2020-09-22 | 2022-03-31 | 何建雄 | Tpu composite material fitted to silica gel, and preparation method thereof |
| CN115490901A (en) * | 2022-09-26 | 2022-12-20 | 东莞市赛越新材料科技有限公司 | Scratch-resistant silicone film and preparation method thereof |
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| WO2022062246A1 (en) * | 2020-09-22 | 2022-03-31 | 何建雄 | Tpu composite material fitted to silica gel, and preparation method thereof |
| CN113105662A (en) * | 2021-04-12 | 2021-07-13 | 东莞市创进塑胶五金有限公司 | PET liquid composite silica gel sheet and preparation method thereof |
| CN115490901A (en) * | 2022-09-26 | 2022-12-20 | 东莞市赛越新材料科技有限公司 | Scratch-resistant silicone film and preparation method thereof |
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