CN112552837A - Formula and processing technology of thermal viscosity reduction protective film - Google Patents
Formula and processing technology of thermal viscosity reduction protective film Download PDFInfo
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- CN112552837A CN112552837A CN202011443507.6A CN202011443507A CN112552837A CN 112552837 A CN112552837 A CN 112552837A CN 202011443507 A CN202011443507 A CN 202011443507A CN 112552837 A CN112552837 A CN 112552837A
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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
- C09J7/29—Laminated material
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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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
- C09J129/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Adhesives based on hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Adhesives based on derivatives of such polymers
- C09J129/02—Homopolymers or copolymers of unsaturated alcohols
- C09J129/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/08—Copolymers of ethene
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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
- C09J2400/00—Presence of inorganic and organic materials
- C09J2400/10—Presence of inorganic materials
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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
- C09J2400/00—Presence of inorganic and organic materials
- C09J2400/10—Presence of inorganic materials
- C09J2400/14—Glass
- C09J2400/143—Glass in the substrate
-
- 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
- C09J2423/00—Presence of polyolefin
- C09J2423/04—Presence of homo or copolymers of ethene
- C09J2423/046—Presence of homo or copolymers of ethene in the substrate
-
- 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
- C09J2429/00—Presence of polyvinyl alcohol
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Laminated Bodies (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a formula and a processing technology of a thermal viscosity reduction protective film, and relates to the field of thermal viscosity reduction protective films, wherein the thermal viscosity reduction protective film is prepared from a toughened glass layer, a dehydrating agent, a separation layer and a bonding layer, and the bonding layer is prepared from the following components in parts by weight: 12% -18% of polyvinyl alcohol, 70% -75% of water, 2% -3% of formaldehyde, 8% -9% of urea and 4% -6% of hydrochloric acid, wherein the separating layer is prepared from the following components in parts by weight: 45-65% of ethylene, 20-40% of vinyl acetate, 5-10% of tackifier, 3-4% of viscosity regulator and 3-4% of antioxidant. According to the formula and the processing technology of the thermal viscosity reduction protective film, the dehydrating agent and the bonding layer are separated through the arranged separation layer, when the separation layer is heated, the separation layer is melted, the dehydrating agent and the bonding layer are in contact, the dehydrating agent extracts water in the bonding layer, and the bonding layer loses viscosity, so that the protective film is convenient to take off.
Description
Technical Field
The invention relates to the field of thermal viscosity reduction protective films, in particular to a formula and a processing technology of a thermal viscosity reduction protective film.
Background
In the process of producing the FPC of the mobile phone and the portable electronic equipment, in order to protect products and facilitate the transportation of the FPC and avoid or reduce the pressing and folding damage to the FPC, a protective film is usually used and adhered on the end face of the FPC, and thus the produced FPC is transported to a position with processing through a protective film bearing circuit board.
In the prior art, the surface of a general protective film is coated with an adhesive, so that the contact surface of the protective film and the FPC has certain viscosity, and the protective film can be stably attached to the FPC. However, the conventional protective film is stuck to the FPC and has the following problems: firstly, after the transfer of the FPC is finished, the protective film needs to be manually torn off, so that the working efficiency is low; secondly, after the protective film is torn off, residues are easy to be left on the FPC, the FPC needs to be cleaned again, and the FPC is easy to be pressed and damaged.
Chinese patent No.: 201610973889.0 discloses a heating anti-adhesive protective film which can solve the problems of difficult tearing off and easy residue. The protective film has the disadvantages that the viscosity reduction is not strong, the adhesiveness is strong after the protective film is pasted on the FPC, the protective film is not easy to tear, and the tearing efficiency is low; the pressure-resistant die-casting force of the protective film is weak, particularly the protective film cannot be blown off by air blowing after being adhered to the FPC, and the protective film can be automatically peeled off and does not remain after being heated at high temperature; therefore, it is necessary to provide a heat-tack reducing protective film formed by processing a heat-tack reducing adhesive to solve the above problems.
Disclosure of Invention
The invention mainly aims to provide a formula and a processing technology of a thermal viscosity reduction protective film, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
the formula of the thermal viscosity reduction protective film is characterized in that the thermal viscosity reduction protective film is prepared from a toughened glass layer, a dehydrating agent, a separating layer and a bonding layer, wherein the bonding layer is prepared from the following components in parts by weight: 12% -18% of polyvinyl alcohol, 70% -75% of water, 2% -3% of formaldehyde, 8% -9% of urea and 4% -6% of hydrochloric acid, wherein the separating layer is prepared from the following components in parts by weight: 45-65% of ethylene, 20-40% of vinyl acetate, 5-10% of tackifier, 3-4% of viscosity regulator and 3-4% of antioxidant.
Preferably, the dehydrating agent is made of anhydrous calcium chloride.
Preferably, the thickness of the toughened glass layer is 0.1 mm.
Preferably, the thickness of the separation layer is 0.1mm, the separation layer is wrapped outside the dehydrating agent, the top end of the separation layer is fixedly connected to the outer side of the bottom of the toughened glass layer, the dehydrating agent is arranged between the toughened glass layer and the separation layer, and the bonding layer is bonded to the outer side of the bottom of the separation layer.
The processing technology of the formula of the thermal viscosity reduction protective film is characterized by comprising the following steps of: the method comprises the following processing steps:
s1: cutting the annealed glass into a suitable size;
s2: the method comprises the following steps of immersing silicate glass containing alkali metal ions into lithium (Li +) salt in a molten state, enabling Na + or K + ions on the surface layer of the glass to exchange with Li + ions, forming a Li + ion exchange layer on the surface, and causing the outer layer to shrink less and the inner layer to shrink more in the cooling process because the expansion coefficient of Li + is smaller than that of Na + and K + ions;
s3: placing ethylene and vinyl acetate in a high-temperature high-pressure furnace according to a proper proportion, sequentially adding a tackifier, a viscosity regulator and an antioxidant, sealing the high-temperature high-pressure furnace, stirring and mixing the mixture at a high temperature, uniformly mixing, injecting fluid into an injection molding machine, and molding the fluid into a mold with the thickness of 0.1mm and four edges lifted upwards;
s4: after the temperature of the fluid is slightly reduced, the dehydrating agent is placed in a groove in the middle of the top of the separation layer, the toughened glass layer is correspondingly placed on the top of the separation layer, the separation layer is cooled to the normal temperature, and the separation layer and the toughened glass layer are solidified and bonded;
s5: and brushing the bonding layer prepared according to the proportion on the bottom of the separation layer.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the dehydrating agent and the bonding layer are separated by the arranged separation layer, when the separation layer is heated, the separation layer is melted, the dehydrating agent and the bonding layer are in contact, the dehydrating agent is used for pumping away water in the bonding layer, and the bonding layer loses viscosity, so that the protective film is convenient to take off, the support is provided for the separation layer by the arranged toughened glass layer, the separation layer is prevented from being bent and broken by pressure, and the dehydrating agent and the bonding layer are further prevented from being in contact due to the breakage of the separation layer in the use process.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
the invention relates to a formula of a thermal viscosity reduction protective film, which is prepared from a toughened glass layer, a dehydrating agent, a separating layer and a bonding layer, wherein the bonding layer is prepared from the following components in parts by weight: 12% -18% of polyvinyl alcohol, 70% -75% of water, 2% -3% of formaldehyde, 8% -9% of urea and 4% -6% of hydrochloric acid, wherein the separating layer is prepared from the following components in parts by weight: 45-65% of ethylene, 20-40% of vinyl acetate, 5-10% of tackifier, 3-4% of viscosity regulator and 3-4% of antioxidant.
The dehydrating agent is made by anhydrous calcium chloride, and the thickness on toughened glass layer is 0.1mm, and the thickness on separate layer is 0.1mm, and the separate layer cladding is in the outside of dehydrating agent, and the top fixed connection on separate layer is in the outside of toughened glass layer bottom, and the dehydrating agent setting is between toughened glass layer and separate layer, and the adhesive linkage bonds in the outside of separate layer bottom.
Example 2:
on the basis of the embodiment 1, the formula of the thermal viscosity reduction protective film is prepared from a toughened glass layer, a dehydrating agent, a separating layer and a bonding layer, wherein the bonding layer is prepared from the following components in parts by weight: 13% of polyvinyl alcohol, 72% of water, 2.3% of formaldehyde, 8.06% of urea and 4.58% of hydrochloric acid, wherein the separating layer is prepared from the following components in parts by weight: 55% of ethylene, 32% of vinyl acetate, 7.3% of tackifier, 3.53% of viscosity regulator and 3.16% of antioxidant.
Example 3:
on the basis of the embodiment 1, the formula of the thermal viscosity reduction protective film is prepared from a toughened glass layer, a dehydrating agent, a separating layer and a bonding layer, wherein the bonding layer is prepared from the following components in parts by weight: 13% of polyvinyl alcohol, 72% of water, 2.65% of formaldehyde, 8.26% of urea and 4.99% of hydrochloric acid, wherein the separation layer is prepared from the following components in parts by weight: 52% of ethylene, 31% of vinyl acetate, 8% of tackifier, 3.24% of viscosity regulator and 3.24% of antioxidant.
Example 4:
on the basis of the embodiment 1, the formula of the thermal viscosity reduction protective film is prepared from a toughened glass layer, a dehydrating agent, a separating layer and a bonding layer, wherein the bonding layer is prepared from the following components in parts by weight: 16% of polyvinyl alcohol, 73.5% of water, 2.29% of formaldehyde, 8.66% of urea and 5.32% of hydrochloric acid, wherein the separation layer is prepared from the following components in parts by weight: 53% of ethylene, 21% of vinyl acetate, 6.51% of tackifier, 3.45% of viscosity regulator and 3.91% of antioxidant.
Example 5:
on the basis of the embodiment 1, the formula of the thermal viscosity reduction protective film is prepared from a toughened glass layer, a dehydrating agent, a separating layer and a bonding layer, wherein the bonding layer is prepared from the following components in parts by weight: 13% of polyvinyl alcohol, 74% of water, 2.8% of formaldehyde, 8.6% of urea and 4.3% of hydrochloric acid, wherein the separation layer is prepared from the following components in parts by weight: 49% of ethylene, 36% of vinyl acetate, 8% of tackifier, 3.6% of viscosity regulator and 3.4% of antioxidant.
Example 7:
the embodiment is an embodiment of a processing technology of a formula of a thermal anti-adhesion protective film.
A processing technology of a formula of a thermal viscosity reduction protective film comprises the following processing steps:
s1: cutting the annealed glass into a suitable size;
s2: the method comprises the following steps of immersing silicate glass containing alkali metal ions into lithium (Li +) salt in a molten state, enabling Na + or K + ions on the surface layer of the glass to exchange with Li + ions, forming a Li + ion exchange layer on the surface, and causing the outer layer to shrink less and the inner layer to shrink more in the cooling process because the expansion coefficient of Li + is smaller than that of Na + and K + ions;
s3: placing ethylene and vinyl acetate in a high-temperature high-pressure furnace according to a proper proportion, sequentially adding a tackifier, a viscosity regulator and an antioxidant, sealing the high-temperature high-pressure furnace, stirring and mixing the mixture at a high temperature, uniformly mixing, injecting fluid into an injection molding machine, and molding the fluid into a mold with the thickness of 0.1mm and four edges lifted upwards;
s4: after the temperature of the fluid is slightly reduced, the dehydrating agent is placed in a groove in the middle of the top of the separation layer, the toughened glass layer is correspondingly placed on the top of the separation layer, the separation layer is cooled to the normal temperature, and the separation layer and the toughened glass layer are solidified and bonded;
s5: and brushing the bonding layer prepared according to the proportion on the bottom of the separation layer.
The invention cuts the annealed glass into suitable size, the silicate glass containing alkali metal ions is immersed into lithium (Li +) salt in a molten state, Na + or K + ions on the surface layer of the glass exchange with the Li + ions, a Li + ion exchange layer is formed on the surface, the expansion coefficient of the Li + is smaller than that of the Na + and K + ions, so that the outer layer shrinks less and the inner layer shrinks more in the cooling process, after the glass is cooled to normal temperature, the glass is in a state that the inner layer is pulled and the outer layer is pressed to form a toughened glass layer, ethylene and vinyl acetate are placed in a high-temperature high-pressure furnace according to a proper proportion, a tackifier, a viscosity regulator and an antioxidant are sequentially added, the high-temperature high-pressure furnace is sealed, the mixture is stirred and mixed at high temperature, the fluid is injected into an injection molding machine after being mixed, the fluid is molded into a model with the thickness of 0.1mm and the four sides are lifted upwards, after the temperature, place the dehydrating agent inside the positive recess in separate layer top, place the toughened glass layer correspondence at the top of separate layer, the partition layer of equalling falls to the normal atmospheric temperature, separate layer and toughened glass layer solidification bonding, brush the adhesive linkage of proportion configuration in the bottom of separate layer, through the separate layer to the dehydrating agent, the adhesive linkage separates, when the separate layer is heated, the separate layer melts, the dehydrating agent, the adhesive linkage is contacted, the dehydrating agent is taken out to the water in the adhesive linkage, and then make the adhesive linkage lose viscidity, thereby conveniently take off the protection film, through the toughened glass layer that sets up, support for the separate layer provides, avoid the separate layer to receive buckling, pressure and rupture, further avoid in the use interlayer fracture to lead to the dehydrating agent, the adhesive linkage is contacted.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The formula of the thermal viscosity reduction protective film is characterized in that: the thermal viscosity reduction protective film is prepared from a toughened glass layer, a dehydrating agent, a separating layer and a bonding layer, wherein the bonding layer is prepared from the following components in parts by weight: 12% -18% of polyvinyl alcohol, 70% -75% of water, 2% -3% of formaldehyde, 8% -9% of urea and 4% -6% of hydrochloric acid, wherein the separating layer is prepared from the following components in parts by weight: 45-65% of ethylene, 20-40% of vinyl acetate, 5-10% of tackifier, 3-4% of viscosity regulator and 3-4% of antioxidant.
2. A thermal adhesion reducing protective film formulation as defined in claim 1, wherein: the dehydrating agent is prepared from anhydrous calcium chloride.
3. A thermal adhesion reducing protective film formulation as defined in claim 2, wherein: the thickness of the toughened glass layer is 0.1 mm.
4. A thermal adhesion reducing protective film formulation according to claim 3, wherein: the thickness of separate layer is 0.1mm, the separate layer cladding is in the outside of dehydrating agent, the top fixed connection of separate layer is in the outside of toughened glass layer bottom, the dehydrating agent sets up between toughened glass layer and separate layer, the adhesive linkage bonds in the outside of separate layer bottom.
5. The processing technology of the formula of the thermal viscosity reduction protective film is characterized by comprising the following steps of: the method comprises the following processing steps:
s1: cutting the annealed glass into a suitable size;
s2: the method comprises the following steps of immersing silicate glass containing alkali metal ions into lithium (Li +) salt in a molten state, enabling Na + or K + ions on the surface layer of the glass to exchange with Li + ions, forming a Li + ion exchange layer on the surface, and causing the outer layer to shrink less and the inner layer to shrink more in the cooling process because the expansion coefficient of Li + is smaller than that of Na + and K + ions;
s3: placing ethylene and vinyl acetate in a high-temperature high-pressure furnace according to a proper proportion, sequentially adding a tackifier, a viscosity regulator and an antioxidant, sealing the high-temperature high-pressure furnace, stirring and mixing the mixture at a high temperature, uniformly mixing, injecting fluid into an injection molding machine, and molding the fluid into a mold with the thickness of 0.1mm and four edges lifted upwards;
s4: after the temperature of the fluid is slightly reduced, the dehydrating agent is placed in a groove in the middle of the top of the separation layer, the toughened glass layer is correspondingly placed on the top of the separation layer, the separation layer is cooled to the normal temperature, and the separation layer and the toughened glass layer are solidified and bonded;
s5: and brushing the bonding layer prepared according to the proportion on the bottom of the separation layer.
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| CN202011443507.6A CN112552837A (en) | 2020-12-08 | 2020-12-08 | Formula and processing technology of thermal viscosity reduction protective film |
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| CN202011443507.6A CN112552837A (en) | 2020-12-08 | 2020-12-08 | Formula and processing technology of thermal viscosity reduction protective film |
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| US20140272406A1 (en) * | 2011-10-20 | 2014-09-18 | Sejong Advanced Technology Co., Ltd. | Protection film for display and manufacturing method thereof |
| CN106010327A (en) * | 2016-05-04 | 2016-10-12 | 河北省沙河玻璃技术研究院 | Touch screen tempered glass film and preparation method thereof |
| CN106753004A (en) * | 2016-11-26 | 2017-05-31 | 马益元 | Mobile phone screen surface protection film under a kind of wet environment |
| CN107502238A (en) * | 2017-09-08 | 2017-12-22 | 宁波津华文具有限公司 | A kind of polyvinyl alcohol adhesive and preparation method thereof |
| CN107556936A (en) * | 2017-09-08 | 2018-01-09 | 安徽明讯新材料科技股份有限公司 | A kind of environmentally friendly diaphragm for touch-control glass screen and preparation method thereof |
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2020
- 2020-12-08 CN CN202011443507.6A patent/CN112552837A/en active Pending
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| US20140272406A1 (en) * | 2011-10-20 | 2014-09-18 | Sejong Advanced Technology Co., Ltd. | Protection film for display and manufacturing method thereof |
| CN106010327A (en) * | 2016-05-04 | 2016-10-12 | 河北省沙河玻璃技术研究院 | Touch screen tempered glass film and preparation method thereof |
| CN106753004A (en) * | 2016-11-26 | 2017-05-31 | 马益元 | Mobile phone screen surface protection film under a kind of wet environment |
| CN107502238A (en) * | 2017-09-08 | 2017-12-22 | 宁波津华文具有限公司 | A kind of polyvinyl alcohol adhesive and preparation method thereof |
| CN107556936A (en) * | 2017-09-08 | 2018-01-09 | 安徽明讯新材料科技股份有限公司 | A kind of environmentally friendly diaphragm for touch-control glass screen and preparation method thereof |
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| 朱洪法等: "《精细化工产品配方与制造 第7册》", 31 October 2001 * |
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