CN112356528A - Protective film with adhesive layer and preparation method thereof - Google Patents
Protective film with adhesive layer and preparation method thereof Download PDFInfo
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- CN112356528A CN112356528A CN202011226115.4A CN202011226115A CN112356528A CN 112356528 A CN112356528 A CN 112356528A CN 202011226115 A CN202011226115 A CN 202011226115A CN 112356528 A CN112356528 A CN 112356528A
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- adhesive layer
- parts
- protective film
- layer
- self
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
- B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/10—Interconnection of layers at least one layer having inter-reactive properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/24—All layers being polymeric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/552—Fatigue strength
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a protective film with an adhesive layer and a preparation method thereof, wherein the protective film comprises a surface layer, a middle layer and a self-adhesive layer, and the self-adhesive layer comprises the following components in parts by weight: 10-25 parts of EVA material, 40-60 parts of PE material, 5-10 parts of tackifying resin and 10-20 parts of SEBS material, wherein the surface layer is composed of 70-90 parts of polypropylene resin composition and 10-30 parts of polyethylene resin according to parts by weight, the polyethylene resin is low-density polyethylene resin, and the polypropylene resin composition is composed of ethylene-propylene block copolymer, fluorine-containing compound and release resin. The invention effectively improves the product quality, does not need additional coating, is convenient to use and has reliable viscosity.
Description
Technical Field
The invention relates to the field of protective films, in particular to a protective film with an adhesive layer and a preparation method thereof.
Background
In recent years, the electronics industry has been rapidly growing. To protect the electronic device from dirt or scratches during handling and assembly, the surface needs to be protected. Because the protection film is the membrane that forms by surface layer, sandwich layer and adhesive linkage three-layer are integrative, can be rolled up into the roll form usually, especially to high sticky protection film, under great rolling pressure, the easy adhesion of surface layer and adhesive linkage is difficult for peeling off, also can bring the low molecular substance on surface layer to the adhesive linkage simultaneously, causes the adhesive force of adhesive linkage to show to descend, influences end use.
Disclosure of Invention
In order to solve the technical problem, the invention provides a protective film with an adhesive layer and a preparation method thereof.
In order to solve the technical problems, the invention adopts the following technical scheme:
the protective film with the adhesive layer comprises a surface layer, an intermediate layer and a self-adhesive layer, wherein the self-adhesive layer comprises the following components in parts by weight:
10-25 parts of EVA material, 40-60 parts of PE material, 5-10 parts of tackifying resin and 10-20 parts of SEBS material.
The surface layer is composed of 70-90 parts of polypropylene resin composition and 10-30 parts of polyethylene resin according to parts by weight.
The polyethylene resin is low-density polyethylene resin, and the polypropylene resin composition is composed of an ethylene-propylene block copolymer, a fluorine-containing compound and release resin.
The middle layer is made of polypropylene resin.
The thickness of the surface layer is 5-10 μm, the thickness of the middle layer is 25-45 μm, and the thickness of the self-adhesive layer is 5-10 μm.
A preparation method of a protective film with an adhesive layer comprises the following steps:
respectively putting the raw materials of the self-adhesive layer, the surface layer and the middle layer into extrusion equipment according to a set dosage ratio;
after passing through the screw corresponding to the extrusion equipment, carrying out corresponding superposition according to the set number of layers to form multilayer composite fusion;
and extruding, cooling and rolling to obtain the protective film with the adhesive layer.
The self-adhesive layer, the surface layer and the middle layer are respectively sheared and plasticized in different temperature ranges.
The invention effectively improves the product quality, does not need to additionally glue, is convenient to use, has reliable viscosity, can be directly pasted when used by a user, does not need any heating, is convenient to paste and has high efficiency.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments in order to further understand the features and technical means of the invention and achieve specific objects and functions.
Example one
The protective film with the adhesive layer comprises a surface layer, an intermediate layer and a self-adhesive layer, wherein the self-adhesive layer comprises the following components in parts by weight:
10 parts of EVA material, 40 parts of PE material, 5 parts of tackifying resin and 10 parts of SEBS material.
The surface layer is composed of 70 parts by weight of polypropylene resin composition and 30 parts by weight of polyethylene resin. The polyethylene resin is low-density polyethylene resin, and the polypropylene resin composition is composed of an ethylene-propylene block copolymer, a fluorine-containing compound and release resin. The middle layer is made of polypropylene resin. By adding SESB, certain aging resistance is maintained, thereby improving the quality.
The thickness of the surface layer is 5 mu m, the thickness of the middle layer is 25 mu m, and the thickness of the self-adhesive layer is 5 mu m.
A preparation method of a protective film with an adhesive layer comprises the following steps:
and respectively putting the raw materials of the self-adhesive layer, the surface layer and the middle layer into extrusion equipment according to the set dosage ratio. Wherein the self-adhesive layer is processed in the temperature range of 185-205 ℃, the surface layer is processed in the temperature range of 175-190 ℃, and the middle layer is processed in the temperature range of 165-175 ℃.
After the raw materials of each layer pass through the corresponding screw of the extrusion equipment, the raw materials of each layer are correspondingly superposed according to the set number of layers to form multilayer composite fusion.
And extruding, cooling and rolling to obtain the protective film with the adhesive layer.
Example two
The protective film with the adhesive layer comprises a surface layer, an intermediate layer and a self-adhesive layer, wherein the self-adhesive layer comprises the following components in parts by weight:
15 parts of EVA material, 50 parts of PE material, 7 parts of tackifying resin and 15 parts of SEBS material.
The surface layer comprises 80 parts by weight of polypropylene resin composition and 20 parts by weight of polyethylene resin. The polyethylene resin is low-density polyethylene resin, and the polypropylene resin composition is composed of an ethylene-propylene block copolymer, a fluorine-containing compound and release resin. The middle layer is made of polypropylene resin. By adding SESB, certain aging resistance is maintained, thereby improving the quality.
The thickness of the surface layer is 7 mu m, the thickness of the middle layer is 30 mu m, and the thickness of the self-adhesive layer is 7 mu m.
A preparation method of a protective film with an adhesive layer comprises the following steps:
and respectively putting the raw materials of the self-adhesive layer, the surface layer and the middle layer into extrusion equipment according to the set dosage ratio. Wherein the self-adhesive layer is processed in the temperature range of 185-205 ℃, the surface layer is processed in the temperature range of 175-190 ℃, and the middle layer is processed in the temperature range of 165-175 ℃.
After the raw materials of each layer pass through the corresponding screw of the extrusion equipment, the raw materials of each layer are correspondingly superposed according to the set number of layers to form multilayer composite fusion.
And extruding, cooling and rolling to obtain the protective film with the adhesive layer.
EXAMPLE III
The protective film with the adhesive layer comprises a surface layer, an intermediate layer and a self-adhesive layer, wherein the self-adhesive layer comprises the following components in parts by weight:
25 parts of EVA material, 60 parts of PE material, 10 parts of tackifying resin and 20 parts of SEBS material.
The surface layer is composed of 90 parts by weight of polypropylene resin composition and 10 parts by weight of polyethylene resin. The polyethylene resin is low-density polyethylene resin, and the polypropylene resin composition is composed of an ethylene-propylene block copolymer, a fluorine-containing compound and release resin. The middle layer is made of polypropylene resin. By adding SESB, certain aging resistance is maintained, thereby improving the quality.
The thickness of the surface layer is 10 mu m, the thickness of the middle layer is 40 mu m, and the thickness of the self-adhesive layer is 10 mu m.
A preparation method of a protective film with an adhesive layer comprises the following steps:
and respectively putting the raw materials of the self-adhesive layer, the surface layer and the middle layer into extrusion equipment according to the set dosage ratio. Wherein the self-adhesive layer is processed in the temperature range of 185-205 ℃, the surface layer is processed in the temperature range of 175-190 ℃, and the middle layer is processed in the temperature range of 165-175 ℃.
After the raw materials of each layer pass through the corresponding screw of the extrusion equipment, the raw materials of each layer are correspondingly superposed according to the set number of layers to form multilayer composite fusion.
And extruding, cooling and rolling to obtain the protective film with the adhesive layer.
Although the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that modifications, equivalents, improvements, and the like can be made in the technical solutions of the foregoing embodiments or in some of the technical features of the foregoing embodiments, but those modifications, equivalents, improvements, and the like are all within the spirit and principle of the present invention.
Claims (7)
1. The protective film with the adhesive layer is characterized by comprising a surface layer, an intermediate layer and a self-adhesive layer, wherein the self-adhesive layer comprises the following components in parts by weight:
10-25 parts of EVA material, 40-60 parts of PE material, 5-10 parts of tackifying resin and 10-20 parts of SEBS material.
2. The protective film with an adhesive layer according to claim 1, wherein the surface layer is composed of 70 to 90 parts by weight of a polypropylene resin composition and 10 to 30 parts by weight of a polyethylene resin.
3. The protective film with an adhesive layer according to claim 2, wherein the polyethylene resin is a low density polyethylene resin, and the polypropylene resin composition comprises an ethylene-propylene block copolymer, a fluorine-containing compound, and a release resin.
4. The protective film with an adhesive layer according to claim 3, wherein the intermediate layer is made of polypropylene resin.
5. The protective film with an adhesive layer according to claim 3, wherein the surface layer has a thickness of 5 to 10 μm, the intermediate layer has a thickness of 25 to 45 μm, and the self-adhesive layer has a thickness of 5 to 10 μm.
6. A method for preparing a protective film with an adhesive layer according to any one of claims 1 to 5, comprising the steps of:
respectively putting the raw materials of the self-adhesive layer, the surface layer and the middle layer into extrusion equipment according to a set dosage ratio;
after passing through the screw corresponding to the extrusion equipment, carrying out corresponding superposition according to the set number of layers to form multilayer composite fusion;
and extruding, cooling and rolling to obtain the protective film with the adhesive layer.
7. The method for preparing a protective film with an adhesive layer according to claim 6, wherein the self-adhesive layer, the surface layer and the intermediate layer are respectively shear-plasticized in different temperature ranges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011226115.4A CN112356528A (en) | 2020-11-05 | 2020-11-05 | Protective film with adhesive layer and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011226115.4A CN112356528A (en) | 2020-11-05 | 2020-11-05 | Protective film with adhesive layer and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112356528A true CN112356528A (en) | 2021-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011226115.4A Pending CN112356528A (en) | 2020-11-05 | 2020-11-05 | Protective film with adhesive layer and preparation method thereof |
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| Country | Link |
|---|---|
| CN (1) | CN112356528A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113956813A (en) * | 2021-10-29 | 2022-01-21 | 浙江洁美电子科技股份有限公司 | Surface protection film |
| CN118438765A (en) * | 2024-03-05 | 2024-08-06 | 河源昆腾电子科技有限公司 | PC-PMMA composite protective film and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103640288A (en) * | 2013-11-30 | 2014-03-19 | 东莞市尼的净化科技有限公司 | Self-adhesive EVA (Ethylene-Vinyl Acetate) protective film and manufacturing process thereof |
| US20140170404A1 (en) * | 2012-12-17 | 2014-06-19 | Ching-Fu WANG | Laminate film |
| CN109554137A (en) * | 2018-12-04 | 2019-04-02 | 宁波激智科技股份有限公司 | A kind of high viscous protective film and preparation method thereof |
-
2020
- 2020-11-05 CN CN202011226115.4A patent/CN112356528A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140170404A1 (en) * | 2012-12-17 | 2014-06-19 | Ching-Fu WANG | Laminate film |
| CN103640288A (en) * | 2013-11-30 | 2014-03-19 | 东莞市尼的净化科技有限公司 | Self-adhesive EVA (Ethylene-Vinyl Acetate) protective film and manufacturing process thereof |
| CN109554137A (en) * | 2018-12-04 | 2019-04-02 | 宁波激智科技股份有限公司 | A kind of high viscous protective film and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113956813A (en) * | 2021-10-29 | 2022-01-21 | 浙江洁美电子科技股份有限公司 | Surface protection film |
| CN118438765A (en) * | 2024-03-05 | 2024-08-06 | 河源昆腾电子科技有限公司 | PC-PMMA composite protective film and preparation method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
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Application publication date: 20210212 |