CN110667216A - Integrally formed PET co-extrusion transparent back plate - Google Patents
Integrally formed PET co-extrusion transparent back plate Download PDFInfo
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- CN110667216A CN110667216A CN201910939485.3A CN201910939485A CN110667216A CN 110667216 A CN110667216 A CN 110667216A CN 201910939485 A CN201910939485 A CN 201910939485A CN 110667216 A CN110667216 A CN 110667216A
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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
- 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
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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
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/22—Layered products comprising a layer of synthetic resin characterised by the use of special additives using plasticisers
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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
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
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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
- 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
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
- C08K3/042—Graphene or derivatives, e.g. graphene oxides
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
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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
- C09J133/00—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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
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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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/752—Corrosion inhibitor
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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
- B32B2457/00—Electrical equipment
- B32B2457/12—Photovoltaic modules
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Laminated Bodies (AREA)
Abstract
The invention relates to the field of PET (polyethylene terephthalate) back plates, in particular to an integrally formed PET co-extruded transparent back plate which comprises an outer PET layer, an inner PET layer and a bonding layer, wherein the bonding layer is positioned between the outer PET layer and the inner PET layer, and the outer PET layer comprises, by weight, 48 ~ 51 parts of PET resin, 5-15 parts of graphene oxide, 2 ~ 5 parts of a heat stabilizer, 5 ~ 8 parts of an anti-hydrolysis agent, 3 ~ 7 parts of a plasticizer and 1 ~ 3 parts of an ultraviolet stabilizer.
Description
Technical Field
The invention relates to the field of PET (polyethylene terephthalate) back plates, in particular to an integrally formed PET co-extrusion transparent back plate.
Background
Photovoltaic power generation is a new energy source, and solar energy can be converted into electric energy through a photovoltaic effect. At present, the main backboard material has poor weather resistance and is easily corroded by acid rain water mist in a climatic environment, so that the service life is shortened, and the overall cost is improved.
Disclosure of Invention
In order to overcome the defects of poor weather resistance and short service life of the conventional back plate, the invention provides an integrally formed PET co-extruded transparent back plate.
The technical scheme adopted by the invention for solving the technical problems is as follows: an integrally formed PET co-extrusion transparent back plate comprises an outer PET layer, an inner PET layer and a bonding layer, wherein the bonding layer is positioned between the outer PET layer and the inner PET layer;
the outer PET layer comprises, by weight, 48 ~ 51 parts of PET resin, 5-15 parts of graphene oxide, 2 ~ 5 parts of a heat stabilizer, 5 ~ 8 parts of an anti-hydrolysis agent, 3 ~ 7 parts of a plasticizer and 1 ~ 3 parts of an ultraviolet stabilizer;
the inner PET layer comprises the following components, by weight, 50 ~ 53 parts of PET resin, 2 ~ 4 parts of butyl hydroxy anisole, 3 ~ 5 parts of titanium dioxide, 1 ~ 3 parts of methoxysilane, 2 ~ 6 parts of a dispersing agent and 2 ~ 4 parts of a flame retardant;
the adhesive layer comprises, by weight, 30 ~ 40 parts of acrylic resin, 10 ~ 15 parts of rubber and 2 ~ 5 parts of a cross-linking agent.
According to another embodiment of the present invention, the outer PET layer is further comprised of the following components in parts by weight: 50 parts of PET resin, 12 parts of graphene oxide, 3 parts of heat stabilizer, 7 parts of anti-hydrolysis agent, 4 parts of plasticizer and 2 parts of ultraviolet stabilizer;
the inner PET layer consists of the following components in parts by weight: 51 parts of PET resin, 3 parts of butyl hydroxy anisol, 4 parts of titanium dioxide, 2 parts of methoxysilane, 5 parts of dispersant and 3 parts of flame retardant;
the bonding layer comprises the following components in parts by weight: 35 parts of acrylic resin, 12 parts of rubber and 3 parts of cross-linking agent.
According to another embodiment of the present invention, the outer PET layer is further comprised of the following components in parts by weight: 51 parts of PET resin, 15 parts of graphene oxide, 5 parts of heat stabilizer, 8 parts of anti-hydrolysis agent, 7 parts of plasticizer and 3 parts of ultraviolet stabilizer;
the inner PET layer consists of the following components in parts by weight: 53 parts of PET resin, 4 parts of butyl hydroxy anisol, 5 parts of titanium dioxide, 3 parts of methoxysilane, 6 parts of dispersing agent and 4 parts of flame retardant.
According to another embodiment of the invention, further comprising the outer PET layer having a thickness of 50 ~ 150 microns.
According to another embodiment of the present invention, further comprising the inner PET layer having a thickness of 150 ~ 300 microns.
The PET co-extruded transparent back plate has the beneficial effect that the weather resistance of the PET co-extruded transparent back plate can be greatly enhanced. When the PET co-extruded transparent back plate is used outdoors, the corrosion of acid rain water mist corrosion can be well resisted, so that the service life of the PET co-extruded transparent back plate is prolonged, and the use cost is saved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
in the figure, 1 is an outer PET layer, 2 is an inner PET layer, and 3 is a bonding layer.
Detailed Description
Fig. 1 is a schematic structural view of the present invention. The technical scheme adopted by the invention for solving the technical problems is as follows: an integrally formed PET co-extrusion transparent back plate comprises an outer PET layer 1, an inner PET layer 2 and an adhesive layer 3, wherein the adhesive layer 3 is positioned between the outer PET layer 1 and the inner PET layer 2;
the outer PET layer 1 comprises, by weight, 48 ~ 51 parts of PET resin, 5-15 parts of graphene oxide, 2 ~ 5 parts of a heat stabilizer, 5 ~ 8 parts of an anti-hydrolysis agent, 3 ~ 7 parts of a plasticizer and 1 ~ 3 parts of an ultraviolet stabilizer;
the inner PET layer 2 comprises the following components, by weight, 50 ~ 53 parts of PET resin, 2 ~ 4 parts of butyl hydroxy anisole, 3 ~ 5 parts of titanium dioxide, 1 ~ 3 parts of methoxysilane, 2 ~ 6 parts of a dispersing agent and 2 ~ 4 parts of a flame retardant;
the bonding layer 3 comprises, by weight, 30 ~ 40 parts of acrylic resin, 10 ~ 15 parts of rubber and 2 ~ 5 parts of a cross-linking agent.
The thickness of the outer PET layer 1 was 50 ~ 150 microns the thickness of the inner PET layer 2 was 150 ~ 300 microns.
The first embodiment is as follows:
the outer PET layer 1 consists of the following components in parts by weight: 50 parts of PET resin, 12 parts of graphene oxide, 3 parts of heat stabilizer, 7 parts of anti-hydrolysis agent, 4 parts of plasticizer and 2 parts of ultraviolet stabilizer; the inner PET layer 2 consists of the following components in parts by weight: 51 parts of PET resin, 3 parts of butyl hydroxy anisol, 4 parts of titanium dioxide, 2 parts of methoxysilane, 5 parts of dispersant and 3 parts of flame retardant; the bonding layer 3 comprises the following components in parts by weight: 35 parts of acrylic resin, 12 parts of rubber and 3 parts of cross-linking agent.
The test shows that the MD tensile strength of the back plate is 110MPa, and the TD tensile strength is 105 MPa. The MD elongation at break was 105% and the TD elongation at break was 90%. The MD heat shrinkage was 1% and the TD heat shrinkage was 0.5%. The interlayer peeling strength is 5N/cm. The visible light transmittance was 90%. The ultraviolet blocking rate is 100 percent. The peel strength of EVA was 40N/cm. The water vapor transmission rate was 2g/(m2 × d). The breakdown voltage was 20 kV.
Example two:
the outer PET layer 1 consists of the following components in parts by weight: 51 parts of PET resin, 15 parts of graphene oxide, 5 parts of heat stabilizer, 8 parts of anti-hydrolysis agent, 7 parts of plasticizer and 3 parts of ultraviolet stabilizer; the inner PET layer 2 consists of the following components in parts by weight: 53 parts of PET resin, 4 parts of butyl hydroxy anisol, 5 parts of titanium dioxide, 3 parts of methoxysilane, 6 parts of dispersing agent and 4 parts of flame retardant; the bonding layer 3 comprises the following components in parts by weight: 40 parts of acrylic resin, 15 parts of rubber and 5 parts of cross-linking agent.
The test shows that the MD tensile strength of the back plate is 105MPa, and the TD tensile strength is 102 MPa. The MD elongation at break was 110% and the TD elongation at break was 87%. The MD heat shrinkage was 1.5% and the TD heat shrinkage was 0.2%. The interlayer peeling strength is 6N/cm. The visible light transmittance was 93%. The ultraviolet blocking rate was 102%. The peel strength of EVA was 43N/cm. The water vapor transmission rate was 1.5g/(m2 × d). The breakdown voltage was 23 kV.
Claims (5)
1. An integrally formed PET co-extrusion transparent back plate is characterized by comprising an outer PET layer (1), an inner PET layer (2) and an adhesive layer (3), wherein the adhesive layer (3) is positioned between the outer PET layer (1) and the inner PET layer (2);
the outer PET layer (1) is composed of, by weight, 48 ~ 51 parts of PET resin, 5-15 parts of graphene oxide, 2 ~ 5 parts of a heat stabilizer, 5 ~ 8 parts of an anti-hydrolysis agent, 3 ~ 7 parts of a plasticizer and 1 ~ 3 parts of an ultraviolet stabilizer;
the inner PET layer (2) is composed of the following components, by weight, 50 ~ 53 parts of PET resin, 2 ~ 4 parts of butyl hydroxy anisole, 3 ~ 5 parts of titanium dioxide, 1 ~ 3 parts of methoxysilane, 2 ~ 6 parts of a dispersing agent and 2 ~ 4 parts of a flame retardant;
the bonding layer (3) comprises, by weight, 30 ~ 40 parts of acrylic resin, 10 ~ 15 parts of rubber and 2 ~ 5 parts of a cross-linking agent.
2. The integrally formed PET co-extruded transparent back sheet according to claim 1, wherein the outer PET layer (1) is composed of the following components in parts by weight: 50 parts of PET resin, 12 parts of graphene oxide, 3 parts of heat stabilizer, 7 parts of anti-hydrolysis agent, 4 parts of plasticizer and 2 parts of ultraviolet stabilizer;
the inner PET layer (2) is composed of the following components in parts by weight: 51 parts of PET resin, 3 parts of butyl hydroxy anisol, 4 parts of titanium dioxide, 2 parts of methoxysilane, 5 parts of dispersant and 3 parts of flame retardant;
the bonding layer (3) is composed of the following components in parts by weight: 35 parts of acrylic resin, 12 parts of rubber and 3 parts of cross-linking agent.
3. The integrally formed PET co-extruded transparent back sheet according to claim 1, wherein the outer PET layer (1) is composed of the following components in parts by weight: 51 parts of PET resin, 15 parts of graphene oxide, 5 parts of heat stabilizer, 8 parts of anti-hydrolysis agent, 7 parts of plasticizer and 3 parts of ultraviolet stabilizer;
the inner PET layer (2) is composed of the following components in parts by weight: 53 parts of PET resin, 4 parts of butyl hydroxy anisol, 5 parts of titanium dioxide, 3 parts of methoxysilane, 6 parts of dispersing agent and 4 parts of flame retardant;
the bonding layer (3) is composed of the following components in parts by weight: 40 parts of acrylic resin, 15 parts of rubber and 5 parts of cross-linking agent.
4. The integrally formed PET co-extruded transparent backsheet according to claim 1, wherein the thickness of the outer PET layer (1) is 50 ~ 150 microns.
5. The integrally formed PET co-extruded transparent backsheet according to claim 1, wherein the thickness of the inner PET layer (2) is 150 ~ 300 microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910939485.3A CN110667216A (en) | 2019-09-30 | 2019-09-30 | Integrally formed PET co-extrusion transparent back plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910939485.3A CN110667216A (en) | 2019-09-30 | 2019-09-30 | Integrally formed PET co-extrusion transparent back plate |
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| Publication Number | Publication Date |
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| CN110667216A true CN110667216A (en) | 2020-01-10 |
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| CN201910939485.3A Pending CN110667216A (en) | 2019-09-30 | 2019-09-30 | Integrally formed PET co-extrusion transparent back plate |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104494266A (en) * | 2014-11-27 | 2015-04-08 | 苏州赛伍应用技术有限公司 | PET film with two-layer structure and solar cell backboard comprising PET film |
| CN107230732A (en) * | 2017-04-14 | 2017-10-03 | 南通强生光电科技有限公司 | The preparation method of solar cell backboard |
| CN107731949A (en) * | 2016-08-10 | 2018-02-23 | 阿特斯(中国)投资有限公司 | A kind of photovoltaic backboard and preparation method thereof |
| CN107815073A (en) * | 2017-10-23 | 2018-03-20 | 南通强生光电科技有限公司 | Graphene PET composite material and its solar cell backboard of preparation |
| CN109449232A (en) * | 2018-11-14 | 2019-03-08 | 安徽兆拓新能源科技有限公司 | A kind of photovoltaic back and preparation method thereof |
| CN109817739A (en) * | 2017-11-16 | 2019-05-28 | 宁波长阳科技股份有限公司 | A kind of solar cell backboard polyester film |
| CN109943040A (en) * | 2019-03-04 | 2019-06-28 | 常州回天新材料有限公司 | Double-layer structure transparent PET backboard and its processing method |
-
2019
- 2019-09-30 CN CN201910939485.3A patent/CN110667216A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104494266A (en) * | 2014-11-27 | 2015-04-08 | 苏州赛伍应用技术有限公司 | PET film with two-layer structure and solar cell backboard comprising PET film |
| CN107731949A (en) * | 2016-08-10 | 2018-02-23 | 阿特斯(中国)投资有限公司 | A kind of photovoltaic backboard and preparation method thereof |
| CN107230732A (en) * | 2017-04-14 | 2017-10-03 | 南通强生光电科技有限公司 | The preparation method of solar cell backboard |
| CN107815073A (en) * | 2017-10-23 | 2018-03-20 | 南通强生光电科技有限公司 | Graphene PET composite material and its solar cell backboard of preparation |
| CN109817739A (en) * | 2017-11-16 | 2019-05-28 | 宁波长阳科技股份有限公司 | A kind of solar cell backboard polyester film |
| CN109449232A (en) * | 2018-11-14 | 2019-03-08 | 安徽兆拓新能源科技有限公司 | A kind of photovoltaic back and preparation method thereof |
| CN109943040A (en) * | 2019-03-04 | 2019-06-28 | 常州回天新材料有限公司 | Double-layer structure transparent PET backboard and its processing method |
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Application publication date: 20200110 |