CN115340298A - Mobile phone protective film with high toughness and preparation process thereof - Google Patents
Mobile phone protective film with high toughness and preparation process thereof Download PDFInfo
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- CN115340298A CN115340298A CN202210976798.8A CN202210976798A CN115340298A CN 115340298 A CN115340298 A CN 115340298A CN 202210976798 A CN202210976798 A CN 202210976798A CN 115340298 A CN115340298 A CN 115340298A
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C14/00—Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
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Abstract
The invention belongs to the technical field of preparation of mobile phone protective films, and particularly relates to a high-toughness mobile phone protective film and a preparation process thereof, wherein the preparation process comprises the following steps (in parts by weight): limestone: 60-120 parts of quartz: 40-70 parts of silica sand: 50-80 parts of borax: 50-80 parts of silica gel: 20-80 parts of barium carbonate, 25-40 parts of feldspar, 30-60 parts of feldspar, 10-40 parts of soda ash and polymethyl methacrylate: 10-40 parts of 9-ethyl octadecenoate and 20-50 parts of 9-ethyl octadecenoate, the invention further increases the toughness of the glass, ensures that the glass is not easy to break and crush when being bent, ensures that the surface also has the same toughness, increases the shock resistance and the collision degree of a mobile phone screen, prevents a mobile phone and a mobile phone protective film from being crushed and damaged simultaneously, and effectively protects the mobile phone screen.
Description
Technical Field
The invention relates to the technical field of preparation of mobile phone protective films, in particular to a mobile phone protective film with high toughness and a preparation process thereof.
Background
The mobile phone film is also called as mobile phone beauty film and mobile phone protective film, is a cold mounting film which can be used for mounting the surface of the body of a mobile phone, a screen and other tangible objects, has various types, and can be divided into the following films according to the purposes: a mobile phone screen protective film and a mobile phone body protective film.
When an existing mobile phone film is used, due to the fact that glass materials do not have high toughness, the film is broken by pressing carelessly when the film is attached, and when a mobile phone collides, a mobile phone screen cannot achieve the protection effect, so that a mobile phone protective film and the mobile phone screen are broken and damaged simultaneously.
Disclosure of Invention
The present invention has been made in view of the above and/or other problems occurring in the prior art of a protective film for cellular phones having high toughness and a process for manufacturing the same.
Therefore, the invention aims to provide a mobile phone protective film with high toughness and a preparation process thereof, wherein a glass raw material is formed by limestone, quartz stone, silica sand, borax and silicon dioxide in feldspar, then barium carbonate, soda ash and added silica gel are added, and then polymethyl methacrylate and 9-ethyl octadecenoate are added after the glass is in a liquid state, so that the existing problems can be solved.
To solve the above technical problem, according to an aspect of the present invention, the present invention provides the following technical solutions:
a mobile phone protection film with high toughness comprises: (in parts by weight):
limestone: 60-120 parts of quartz stone: 40-70 parts of silica sand: 50-80 parts of borax: 50-80 parts of silica gel: 20-80 parts of barium carbonate, 25-40 parts of feldspar, 30-60 parts of feldspar, 10-40 parts of soda ash and polymethyl methacrylate: 10-40 parts of 9-octadecenoic acid ethyl ester and 20-50 parts of water.
As a preferable aspect of the mobile phone protective film with high toughness of the present invention, wherein: comprises (by weight portion):
limestone: 60 parts of quartz: 40 parts of silica sand: 50 parts of borax: 50 parts of silica gel: 20 parts of barium carbonate, 25 parts of feldspar, 30 parts of sodium carbonate, 10 parts of polymethyl methacrylate: 10 parts of 9-octadecenoic acid ethyl ester and 20 parts of.
As a preferable aspect of the mobile phone protective film with high toughness of the present invention, wherein: comprises (by weight portion):
limestone: 80 parts of quartz stone: 50 parts of silica sand: 60 parts of borax: 60 parts of silica gel: 40 parts, 30 parts of barium carbonate, 40 parts of feldspar, 20 parts of soda ash and polymethyl methacrylate: 20 parts of 9-octadecenoic acid ethyl ester and 30 parts of.
As a preferable aspect of the mobile phone protective film with high toughness of the present invention, wherein: comprises (by weight portion):
limestone: 100 parts of quartz stone: 60 parts of silica sand: 70 parts of borax: 70 parts of silica gel: 60 parts, 35 parts of barium carbonate, 50 parts of feldspar, 30 parts of soda ash and polymethyl methacrylate: 30 parts of 9-octadecenoic acid ethyl ester 40 parts.
As a preferable aspect of the mobile phone protective film with high toughness of the present invention, wherein: comprises (by weight portion):
limestone: 120 parts of quartz: 70 parts of silica sand: 80 parts of borax: 80 parts of silica gel: 80 parts, 40 parts of barium carbonate, 60 parts of feldspar, 40 parts of soda ash and polymethyl methacrylate: 40 parts of 9-octadecenoic acid ethyl ester and 50 parts of ethyl ester.
A preparation process of a mobile phone protective film with high toughness comprises the following preparation steps:
s1: limestone, quartz stone, silica sand, borax, silica gel, barium carbonate, feldspar and soda ash are put into a mixing device, and the raw materials are fully mixed and stirred by starting a stirring device;
s2: the fully mixed raw materials are introduced into a heating device for high-temperature heating by opening a discharge valve;
s3: by observing the condition of glass in the heating device, adding polymethyl methacrylate and 9-ethyl octadecenoate into the mixing device when the mixture is melted into liquid state, so that the polymethyl methacrylate and the 9-ethyl octadecenoate fall into the liquid mixture through a discharge valve, and continuously heating;
s4: continuously heating by a heating device until no bubble or smoke is generated, and opening the shaping device to enable the solution to fall on the conveyor belt through the shaping device;
s5: condensing the liquid mixed material by air through the flow guide of the shaping device, solidifying the liquid mixed material into glass, and then passing the solidified glass through a heating furnace with the temperature decreasing continuously;
s6: and then placing and cooling the glass which is continuously degressively decreased, and cutting to obtain the mobile phone protective film with high toughness.
As a preferable scheme of the preparation process of the mobile phone protective film with high toughness, the preparation process comprises the following steps: the mixing device comprises:
the mixing box can be filled with raw materials;
a cover plate disposed at an upper end of the mixing box and blocking the raw material inside the mixing box;
a discharge port which is arranged at the bottom of the mixing box and can drop the mixed materials;
and the discharge valve is arranged at the bottom of the discharge port and drives the discharge port to be thrown.
As a preferable scheme of the preparation process of the mobile phone protective film with high toughness, the preparation process comprises the following steps: the stirring device includes:
the motor is arranged on the surface of the cover plate and is used for driving stirring;
and the top end of the stirring rod is connected with the motor and is Z-shaped, and the stirring rod is used for rotationally stirring the mixture.
As a preferable scheme of the preparation process of the mobile phone protective film with high toughness, the preparation process comprises the following steps: the heating device includes:
a heating kiln which is arranged at the bottom of the discharge valve and can heat the raw material at a high temperature;
and the support is arranged around the bottom of the heating kiln, stands on the ground and supports the heating kiln.
As a preferable scheme of the preparation process of the mobile phone protective film with high toughness, the preparation process comprises the following steps: the moulding device sets up in the bottom center of heating kiln, and sets up to trapezoidal, and the bottom bore sets up to 0.2mm simultaneously.
Compared with the prior art:
the glass raw material is composed of limestone, quartz stone, silica sand, borax and silicon dioxide in feldspar, the coagulability and the electric sensitivity of the glass are improved by adding barium carbonate and soda ash, the internal toughness of the glass is improved by adding silica gel, and the viscosity of each material is improved by adding polymethyl methacrylate and 9-octadecenoic acid ethyl ester after the glass is in a liquid state, so that the toughness of the glass is further improved, the glass is not easy to break and break when being bent, the surface also has toughness, the shock resistance and the collision degree of a mobile phone screen are improved, a mobile phone and a mobile phone protective film are prevented from being broken and damaged at the same time, and the mobile phone screen is effectively protected.
Drawings
FIG. 1 is a schematic view of the overall structure provided by the present invention;
FIG. 2 is a schematic view of an overall split structure provided by the present invention;
FIG. 3 is a schematic view of the stirring device according to the present invention;
fig. 4 is a schematic bottom view of the heating device of the present invention.
In the figure: mixing device 1, mixing box 11, cover plate 12, discharge port 13, bleeder valve 2, agitating unit 3, motor 31, puddler 32, heating device 4, heating kiln 41, support 42, viewing aperture 43, shaping device 5.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
limestone: 60 parts of quartz: 40 parts of silica sand: 50 parts of borax: 50 parts of silica gel: 20 parts of barium carbonate, 25 parts of feldspar, 30 parts of sodium carbonate, 10 parts of polymethyl methacrylate: 10 parts of 9-octadecenoic acid ethyl ester and 20 parts of water;
the glass raw materials are composed of limestone, quartz stone, silica sand, borax and silicon dioxide in feldspar, the coagulability and the electric sensitivity of the glass are improved by adding barium carbonate and soda ash, the internal toughness of the glass is improved by adding the silica gel, and the viscosity among all the materials is improved by adding polymethyl methacrylate and 9-ethyl octadecenoate after the glass is in a liquid state, so that the toughness of the glass is further improved, the glass is not easy to break and break when being bent, the surface also has toughness, the shock resistance and the collision degree of a mobile phone screen are improved, a mobile phone and a mobile phone protective film are prevented from being broken and damaged at the same time, and the mobile phone screen is effectively protected;
a preparation process of a mobile phone protective film with high toughness comprises the following preparation steps:
s1: limestone, quartz stone, silica sand, borax, silica gel, barium carbonate, feldspar and soda ash are put into the mixing device 1, and the raw materials are fully mixed and stirred by starting the stirring device 3;
s2: the fully mixed raw materials are led into a heating device 4 for high-temperature heating by opening a discharge valve 2;
s3: by observing the condition of the glass in the heating device 4, when the mixture is melted into liquid, adding polymethyl methacrylate and 9-octadecenoic acid ethyl ester into the mixing device 1, so that the polymethyl methacrylate and the 9-octadecenoic acid ethyl ester fall into the liquid mixture through the discharge valve 2, and continuously heating;
s4: continuously heating by the heating device 4 until no bubbles or smoke are generated, and opening the shaping device 5 to enable the solution to fall on the conveying belt through the shaping device 5;
s5: condensing the liquid mixed material by air through the flow guide of the shaping device 5, solidifying the liquid mixed material into glass, and then passing the solidified glass through a heating furnace with the temperature decreasing continuously;
s6: then the glass which is continuously decreased gradually is placed and cooled, and is cut, so that the mobile phone protective film with high toughness is obtained;
can put in the material through mixing arrangement 1 to mix the stirring to the principle, mixing arrangement 1 includes: the mixing box comprises a mixing box 11, a cover plate 12 and a discharge hole 13, wherein raw materials can be put into the mixing box 11, the cover plate 12 is placed at the upper end of the mixing box 11 and used for blocking the raw materials in the mixing box 11, and the discharge hole 13 is arranged at the bottom of the mixing box 11 and used for putting down the mixed materials;
and the discharge valve 2 is arranged at the bottom of the discharge port 13, and the discharge valve 2 can drive the discharge port 13 to heat the mixed raw materials in the heating device 4.
Agitating unit 3 sets up in mixing arrangement 1's inside, can stir the mixture of mixing arrangement 1 inside through mixing arrangement 1, and can make the raw and other materials of weight can the intensive mixing, makes raw and other materials more even, and agitating unit 3 includes: motor 31 and puddler 32, motor 31, it sets up on the surface of apron 12, and is used for the drive stirring, puddler 32, motor 31 is connected to its top, and is the Z type form, rotates the stirring to the mixture
Moulding device 5 sets up at the bottom center of heating kiln 41, and sets up to trapezoidal, conveniently will heat into liquid mixture and derive to liquid mixture carries out moulding, and the bottom bore sets up to 0.2mm simultaneously, through liquid mixture through the bottom bore, makes liquid mixture through the back, again through the air condensation for solid-state, forms the cell-phone protection film glass of 0.2mm thickness, makes cell-phone protection film glass form the rudiment.
limestone: 80 parts of quartz stone: 50 parts of silica sand: 60 parts of borax: 60 parts of silica gel: 40 parts, 30 parts of barium carbonate, 40 parts of feldspar, 20 parts of soda ash and polymethyl methacrylate: 20 parts of 9-octadecenoic acid ethyl ester and 30 parts of water;
a preparation process of a mobile phone protective film with high toughness comprises the following preparation steps:
s1: limestone, quartz stone, silica sand, borax, silica gel, barium carbonate, feldspar and soda ash are put into the mixing device 1, and the raw materials are fully mixed and stirred by starting the stirring device 3;
s2: the fully mixed raw materials are introduced into a heating device 4 for high-temperature heating by opening a discharge valve 2;
s3: by observing the condition of glass in the heating device 4, when the mixture is melted into a liquid state, adding polymethyl methacrylate and 9-ethyl octadecenoate into the mixing device 1, so that the polymethyl methacrylate and the 9-ethyl octadecenoate fall into the liquid mixture through the discharge valve 2, and continuously heating;
s4: continuously heating by the heating device 4 until no bubbles or smoke are generated, and opening the shaping device 5 to enable the solution to fall on the conveyor belt through the shaping device 5;
s5: condensing the liquid mixed material by air through the flow guide of the shaping device 5, solidifying the liquid mixed material into glass, and then passing the solidified glass through a heating furnace with the temperature decreasing continuously;
s6: then the glass which is continuously decreased gradually is placed and cooled, and is cut, so that the mobile phone protective film with high toughness is obtained;
can put in the material through mixing arrangement 1 to mix the stirring to the principle, mixing arrangement 1 includes: the mixing box comprises a mixing box 11, a cover plate 12 and a discharge hole 13, wherein raw materials can be put into the mixing box 11, the cover plate 12 is placed at the upper end of the mixing box 11 and used for blocking the raw materials in the mixing box 11, and the discharge hole 13 is arranged at the bottom of the mixing box 11 and used for putting down the mixed materials;
the discharge valve 2 is arranged at the bottom of the discharge port 13, and the discharge valve 2 can drive the discharge port 13 to be put in, so that the mixed raw materials can enter the heating device 4 to be heated.
Agitating unit 3 sets up in mixing arrangement 1's inside, can stir the mixture of mixing arrangement 1 inside through mixing arrangement 1, and can make the raw and other materials of weight can the intensive mixing, makes raw and other materials more even, and agitating unit 3 includes: a motor 31 and a stirring rod 32, wherein the motor 31 is arranged on the surface of the cover plate 12 and used for driving stirring, the top end of the stirring rod 32 is connected with the motor 31 and is Z-shaped, and the stirring rod rotates and stirs the mixture
limestone: 100 parts of quartz stone: 60 parts of silica sand: 70 parts of borax: 70 parts of silica gel: 60 parts, 35 parts of barium carbonate, 50 parts of feldspar, 30 parts of soda ash and polymethyl methacrylate: 30 parts of 9-octadecenoic acid ethyl ester 40 parts;
a preparation process of a mobile phone protective film with high toughness comprises the following preparation steps:
s1: limestone, quartz stone, silica sand, borax, silica gel, barium carbonate, feldspar and soda ash are put into the mixing device 1, and the stirring device 3 is started to fully mix and stir the raw materials;
s2: the fully mixed raw materials are led into a heating device 4 for high-temperature heating by opening a discharge valve 2;
s3: by observing the condition of glass in the heating device 4, when the mixture is melted into a liquid state, adding polymethyl methacrylate and 9-ethyl octadecenoate into the mixing device 1, so that the polymethyl methacrylate and the 9-ethyl octadecenoate fall into the liquid mixture through the discharge valve 2, and continuously heating;
s4: continuously heating by the heating device 4 until no bubbles or smoke are generated, and opening the shaping device 5 to enable the solution to fall on the conveying belt through the shaping device 5;
s5: condensing the liquid mixed material by air through the flow guide of the shaping device 5, solidifying the liquid mixed material into glass, and then passing the solidified glass through a heating furnace with the temperature decreasing continuously;
s6: then placing and cooling the glass which is continuously decreased progressively, and cutting to obtain the mobile phone protective film with high toughness;
can put in the material through mixing arrangement 1 to mix the stirring to the principle, mixing arrangement 1 includes: the mixing box comprises a mixing box 11, a cover plate 12 and a discharge hole 13, wherein raw materials can be put into the mixing box 11, the cover plate 12 is placed at the upper end of the mixing box 11 and used for blocking the raw materials in the mixing box 11, and the discharge hole 13 is arranged at the bottom of the mixing box 11 and used for putting down the mixed materials;
and the discharge valve 2 is arranged at the bottom of the discharge port 13, and the discharge valve 2 can drive the discharge port 13 to heat the mixed raw materials in the heating device 4.
Agitating unit 3 sets up in mixing arrangement 1's inside, can stir the mixture of mixing arrangement 1 inside through mixing arrangement 1, and can make the raw and other materials of weight can the intensive mixing, makes raw and other materials more even, and agitating unit 3 includes: motor 31 and puddler 32, motor 31, it sets up on the surface of apron 12, and is used for the drive stirring, puddler 32, motor 31 is connected to its top, and is the Z type form, rotates the stirring to the mixture
limestone: 120 parts of quartz stone: 70 parts of silica sand: 80 parts of borax: 80 parts of silica gel: 80 parts, 40 parts of barium carbonate, 60 parts of feldspar, 40 parts of soda ash and polymethyl methacrylate: 40 parts of 9-octadecenoic acid ethyl ester and 50 parts of water;
a preparation process of a mobile phone protective film with high toughness comprises the following preparation steps:
s1: limestone, quartz stone, silica sand, borax, silica gel, barium carbonate, feldspar and soda ash are put into the mixing device 1, and the raw materials are fully mixed and stirred by starting the stirring device 3;
s2: the fully mixed raw materials are introduced into a heating device 4 for high-temperature heating by opening a discharge valve 2;
s3: by observing the condition of the glass in the heating device 4, when the mixture is melted into liquid, adding polymethyl methacrylate and 9-octadecenoic acid ethyl ester into the mixing device 1, so that the polymethyl methacrylate and the 9-octadecenoic acid ethyl ester fall into the liquid mixture through the discharge valve 2, and continuously heating;
s4: continuously heating by the heating device 4 until no bubbles or smoke are generated, and opening the shaping device 5 to enable the solution to fall on the conveyor belt through the shaping device 5;
s5: condensing the liquid mixed material by air through the flow guide of the shaping device 5, solidifying the liquid mixed material into glass, and then passing the solidified glass through a heating furnace with the temperature decreasing continuously;
s6: then the glass which is continuously decreased gradually is placed and cooled, and is cut, so that the mobile phone protective film with high toughness is obtained;
can put in the material through mixing arrangement 1 to mix the stirring to the principle, mixing arrangement 1 includes: the mixing box comprises a mixing box 11, a cover plate 12 and a discharge hole 13, wherein raw materials can be thrown into the mixing box 11, the cover plate 12 is placed at the upper end of the mixing box 11 and used for blocking the raw materials in the mixing box 11, and the discharge hole 13 is arranged at the bottom of the mixing box 11 and used for throwing down the mixed materials;
and the discharge valve 2 is arranged at the bottom of the discharge port 13, and the discharge valve 2 can drive the discharge port 13 to heat the mixed raw materials in the heating device 4.
Agitating unit 3 sets up in mixing arrangement 1's inside, can stir the mixture of mixing arrangement 1 inside through mixing arrangement 1, and can make the raw and other materials of weight can the intensive mixing, makes raw and other materials more even, and agitating unit 3 includes: motor 31 and puddler 32, motor 31, it sets up on the surface of apron 12, and is used for the drive stirring, puddler 32, motor 31 is connected to its top, and is the Z type form, rotates the stirring to the mixture
The following data were obtained by conducting a test experiment on the mobile phone protective films manufactured in examples 1 to 4:
according to the test data, the mobile phone protective film manufactured in example 3 has good test data on tensile strength, hardness and deformation rate, and the mobile phone protective film manufactured in example 3 is applied to a mobile phone for protection test, and the experimental results are as follows:
| Height | example 3 |
| 0.5M | The mobile phone screen and the film are not damaged |
| 0.7M | The mobile phone screen and the film are not damaged |
| 1M | The good protective films of the mobile phone screen are slightly damaged |
| 1.2M | The good protective films of the mobile phone screen are slightly damaged |
| 1.4M | The good protective film of the mobile phone screen is seriously damaged |
| 1.6M | The mobile phone screen and the protective film are both damaged |
From the data, the mobile phone protective film prepared in example 3 can effectively protect the mobile phone screen within 1.4M-0.5M.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the disclosed embodiments of the invention may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. A mobile phone protection film with high toughness which is characterized in that: comprises (by weight portion):
limestone: 60-120 parts of quartz stone: 40-70 parts of silica sand: 50-80 parts of borax: 50-80 parts of silica gel: 20-80 parts of barium carbonate, 25-40 parts of feldspar, 30-60 parts of feldspar, 10-40 parts of soda ash and polymethyl methacrylate: 10-40 parts of 9-octadecenoic acid ethyl ester and 20-50 parts of water.
2. A mobile phone protection film with high toughness which is characterized in that: comprises (by weight portion): limestone: 60 parts of quartz: 40 parts of silica sand: 50 parts of borax: 50 parts of silica gel: 20 parts, 25 parts of barium carbonate, 30 parts of feldspar, 10 parts of soda ash and polymethyl methacrylate: 10 parts of 9-octadecenoic acid ethyl ester and 20 parts of.
3. A mobile phone protection film with high toughness which is characterized in that: comprises (by weight portion):
limestone: 80 parts of quartz stone: 50 parts of silica sand: 60 parts of borax: 60 parts of silica gel: 40 parts, 30 parts of barium carbonate, 40 parts of feldspar, 20 parts of soda ash and polymethyl methacrylate: 20 parts of 9-octadecenoic acid ethyl ester and 30 parts of water.
4. A mobile phone protection film with high toughness which is characterized in that: comprises (by weight portion):
limestone: 100 parts of quartz stone: 60 parts of silica sand: 70 parts of borax: 70 parts of silica gel: 60 parts, 35 parts of barium carbonate, 50 parts of feldspar, 30 parts of soda ash and polymethyl methacrylate: 30 parts of 9-octadecenoic acid ethyl ester and 40 parts of water.
5. A mobile phone protection film with high toughness, its characterized in that: comprises (by weight portion): limestone: 120 parts of quartz stone: 70 parts of silica sand: 80 parts of borax: 80 parts of silica gel: 80 parts, 40 parts of barium carbonate, 60 parts of feldspar, 40 parts of soda ash and polymethyl methacrylate: 40 parts of 9-octadecenoic acid ethyl ester and 50 parts of water.
6. A preparation process of a mobile phone protective film with high toughness is characterized by comprising the following preparation steps:
s1: limestone, quartz stone, silica sand, borax, silica gel, barium carbonate, feldspar and soda ash are put into a mixing device (1), and the raw materials are fully mixed and stirred by starting a stirring device (3);
s2: the fully mixed raw materials are introduced into a heating device (4) for high-temperature heating by opening a discharge valve (2);
s3: by observing the condition of glass in the heating device (4), when the mixture is melted into liquid state, adding polymethyl methacrylate and 9-ethyl octadecenoate into the mixing device (1), so that the polymethyl methacrylate and the 9-ethyl octadecenoate fall into the liquid mixture through the discharge valve (2), and continuing to heat;
s4: continuously heating by a heating device (4) until no bubbles or smoke are generated, and opening a shaping device (5) to enable the solution to fall on the conveyor belt through the shaping device (5);
s5: the liquid mixed material is condensed when meeting air through the flow guide of the shaping device (5) and is solidified into glass, and then the solidified glass passes through a heating furnace with the temperature decreasing continuously;
s6: and then placing and cooling the glass which is continuously degressively decreased, and cutting to obtain the mobile phone protective film with high toughness.
7. The process for preparing a mobile phone protective film with high toughness according to claim 6, wherein the mixing device (1) comprises:
a mixing box (11) in which raw materials can be put;
a cover plate (12) which is placed at the upper end of the mixing box (11) and blocks the raw material inside the mixing box (11);
a discharge port (13) which is provided at the bottom of the mixing tank (11) and is capable of discharging the mixed material;
and a discharge valve (2) which is provided at the bottom of the discharge port (13) and drives the discharge port (13).
8. The preparation process of the mobile phone protective film with high toughness as claimed in claim 6, wherein the stirring device (3) comprises:
a motor (31) which is arranged on the surface of the cover plate (12) and is used for driving stirring;
and the top end of the stirring rod (32) is connected with the motor (31) and is Z-shaped, and the mixture is stirred in a rotating mode.
9. The process for preparing a protective film for mobile phone with high toughness according to claim 6, wherein said heating device (4) comprises:
a heating kiln (41) which is arranged at the bottom of the discharge valve (2) and can heat the raw material at a high temperature;
a support (42) which is arranged around the bottom of the heating kiln (41), stands on the ground and supports the heating kiln (41);
and an observation port (43) which is provided at the front end of the surface of the heating kiln (41) and which enables observation of the melting state of the internal glass.
10. The process for preparing a protective film for mobile phone with high toughness according to claim 6, wherein the shaping device (5) is disposed at the bottom center of the heating kiln (41) and is configured as a trapezoid, and the bottom caliber is set as 0.2mm.
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|---|---|---|---|---|
| CN109052910A (en) * | 2018-07-17 | 2018-12-21 | 佛山市北科科技创新服务中心 | A kind of higher raw material melting plant of glass production safety |
| CN111517639A (en) * | 2020-05-12 | 2020-08-11 | 广州鑫泓设备设计有限公司 | Manufacturing process of high-performance craft glass |
| CN112321137A (en) * | 2020-11-19 | 2021-02-05 | 河北省沙河玻璃技术研究院 | Pressure-stabilizing and temperature-regulating device for preparing flexible glass by slit method and control method |
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