CN111349410A - Production method of environment-friendly adhesive for transparent back plate - Google Patents
Production method of environment-friendly adhesive for transparent back plate Download PDFInfo
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- CN111349410A CN111349410A CN202010385922.4A CN202010385922A CN111349410A CN 111349410 A CN111349410 A CN 111349410A CN 202010385922 A CN202010385922 A CN 202010385922A CN 111349410 A CN111349410 A CN 111349410A
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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
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
- C09J123/04—Homopolymers or copolymers of ethene
- C09J123/08—Copolymers of ethene
- C09J123/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C09J123/0815—Copolymers of ethene with aliphatic 1-olefins
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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
- C09J11/08—Macromolecular additives
-
- 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
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
- C09J123/04—Homopolymers or copolymers of ethene
- C09J123/06—Polyethene
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/35—Heat-activated
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- 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
- C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
- C09J2203/322—Applications of adhesives in processes or use of adhesives in the form of films or foils for the production of solar panels
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The production method of the environment-friendly adhesive for the transparent back plate, which is designed by the invention, abandons the traditional liquid adhesive, adopts the environment-friendly and safe hot melt adhesive as the adhesive of the composite film, adopts a brand-new process and new equipment, saves energy consumption, does not discharge three wastes, and has the function of curing under the radiation of UV or EB (ultraviolet) so that the coating and curing of the coating film can be finished at one time, and can be processed by single-sided double-spraying and double-sided double-spraying; compared with the traditional hot melt adhesive, the traditional hot melt adhesive is thermoplastic and can not be converted into thermosetting, so that the use condition is limited, the hot melt adhesive can not be used under a high-temperature condition, the hot melt adhesive can be crosslinked and cured under the UV or EB condition after relevant auxiliaries are added, and the traditional hot melt adhesive has poor weather resistance and can not bear the harsh requirement of a photovoltaic module on the weather resistance of an adhesive under the indoor moderate condition.
Description
Technical Field
The invention relates to the field of adhesive tape production, in particular to a production method of an environment-friendly adhesive for a transparent back plate.
Background
Along with the popularization of double-sided battery pieces and the demand of domestic and foreign markets for cost reduction, the American 201 law particularly exempts double-sided components, so that the double-sided components are developed and verified by industry component manufacturers, meanwhile, various raw material manufacturers also increasingly invest in developing transparent back plates for double-sided components, but as the price is determined by the current production process and raw material selection of the transparent back plates, the price is 2-3 times that of the conventional common back plates, large-scale batch application cannot be realized, the production technology and raw material selection are limited to a plurality of suppliers, the original purpose and purpose of photovoltaic 'flat price surfing' cannot be met, the coating process is conventionally adopted for compounding each layer of the back plates, the environment is polluted, the field staff operation is influenced, hazardous chemicals such as ethyl acetate and the like are used, safety risks exist, the generation of 'three wastes' needs special equipment for treatment, the equipment specification is large, the energy consumption is high, the floor area is large, and the environment of a dust-free workshop must be used, the collection of three wastes is facilitated, the pollution of products is avoided, the stable and reliable product quality is ensured, the development of the transparent back plate with low price and excellent performance is of practical significance, the popularization of the double-sided assembly can be promoted, the application of the photovoltaic assembly can be enlarged, particularly, the development of the environment-friendly and suitable hot melt adhesive is more beneficial to the development of the low-cost transparent back plate, the special hot melt adhesive is not available in the market at present, the particles capable of being coated are thermoplastic, the high-temperature coating and the radiation curing hot melt adhesive are not available.
Disclosure of Invention
The invention aims to provide a production method of an environment-friendly adhesive for a transparent back plate.
In order to achieve the technical purpose, the invention adopts the following technical scheme that the production method of the environment-friendly adhesive for the transparent back plate comprises the following steps:
s1, mixing various auxiliary agents, wherein the auxiliary agents specifically comprise a photoinitiator, an auxiliary crosslinking agent, a monomer, an active diluent, an antioxidant, a light stabilizer, a tackifier and a wetting agent, the mass percentage of the various auxiliary agents is 0.5-5%, and the total percentage is not more than 10%;
s2, grinding the powdery auxiliary agent and mixing the ground powdery auxiliary agent with other ground powdery auxiliary agents; s3, mixing the flaky auxiliary agent with the liquid auxiliary agent after being melted, and then adding the powdery auxiliary agent processed in the step S2 into the liquid auxiliary agent for mixing and stirring;
s4, adding plastic particles into a stirring kettle, wherein the plastic particles are POE or PE particles, adding the plastic particles into the stirring kettle at the particle mixing temperature of not more than 50 ℃, and then adding the auxiliary agent stirred in the step S3, mixing and stirring until the auxiliary agent is absorbed into the particles;
s5 and S4, granulating the mixed particles after the mixing and stirring are completed.
Preferably, step S4 is performed by using a jacketed stirred tank with temperature control.
Preferably, the granulation temperature in step S5 is controlled to 200. + -. 20 ℃.
Preferably, the powdered assistant is ground to 200 mesh or more in step S2.
Preferably, the flake assistant is mixed at 100 ℃ for half an hour in step S3 before preparing the raw materials.
Preferably, the POE or PE particles have a melt index of 3-20g/10min, a melting temperature of > 105 ℃, a light transmittance of > 90%, and a haze of < 1%.
Preferably, POE or PE particles are used as main particles, EVA particles or PVB particles are used as auxiliary particles, and the mass ratio of the main particles to the auxiliary particles is more than or equal to 7: 3.
Preferably, the EVA particles are selected as auxiliary particles, the melting index is required to be 3-20g/10min, the melting temperature is higher than 45 ℃, the light transmittance is higher than 90%, and the haze is lower than 1%, and the PVB particles are selected as auxiliary particles, the melting index is required to be 1-10g/10min, the melting temperature is higher than 120 ℃, the light transmittance is higher than 90%, and the haze is lower than 1%.
Preferably, the mass ratio of the various auxiliary agents in the adhesive is 0.5-5%, and the total mass ratio is not more than 10%.
Preferably, the adhesive is added with the vinyl-terminated organic silicon resin, the vinyl content is 0.5-5%, the hot melt adhesive is added with the organic silicon with the vinyl-terminated groups, the crosslinking can be accelerated, the weather resistance can be improved, the performance is more excellent, the production process is simple and efficient, the remarkable innovation is realized, and the national innovation requirement is met.
The invention abandons the traditional liquid adhesive, adopts the environment-friendly and safe hot melt adhesive as the adhesive of the composite film, adopts a brand-new process and new equipment, saves energy consumption, has no three wastes emission, and has the function of curing under UV or EB radiation, so that the coating and curing of the laminating film can be finished at one time, and the laminating film can be processed in a single-sided double-spraying way and can also be processed in a double-sided double-spraying way; compared with the traditional hot melt adhesive, the traditional hot melt adhesive is thermoplastic and can not be converted into thermosetting, so that the use condition is limited, the hot melt adhesive can not be used under a high-temperature condition, the hot melt adhesive can be crosslinked and cured under the UV or EB condition after relevant auxiliaries are added, and the traditional hot melt adhesive has poor weather resistance and can not bear the harsh requirement of a photovoltaic module on the weather resistance of an adhesive under the indoor moderate condition.
According to the invention, EVA, PE, POE and PVB particles with good weather resistance and transparency are selected and matched with other auxiliary agents, so that the hot melt adhesive has a cross-linking curing function under the UV or EB condition, the bonding strength of the hot melt adhesive with a base material and a back film is enhanced, the heat and cold resistance and the mechanical property of the hot melt adhesive are also improved, and the hot melt adhesive has excellent weather resistance and UV aging resistance by selecting the proper auxiliary agents.
Drawings
FIG. 1 is a flow chart of the production method of the adhesive tape of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, unless otherwise specified and limited, it is to be understood that the terms "mounted," "connected," and "connected" are used broadly and can be, for example, mechanically or electrically connected, or can be internal to two elements, directly connected, or indirectly connected through an intermediate medium. The specific meaning of the above terms can be understood by those of ordinary skill in the art as appropriate.
A production method of an environment-friendly adhesive for a transparent back plate comprises the following steps:
s1, mixing various auxiliary agents, wherein the auxiliary agents specifically comprise a photoinitiator, an auxiliary crosslinking agent, a monomer, an active diluent, an antioxidant, a light stabilizer, a tackifier and a wetting agent, the mass percentage of the various auxiliary agents is 0.5-5%, and the total percentage is not more than 10%;
s2, grinding the powdery auxiliary agent and mixing the ground powdery auxiliary agent with other ground powdery auxiliary agents; s3, mixing the flaky auxiliary agent with the liquid auxiliary agent after being melted, and then adding the powdery auxiliary agent processed in the step S2 into the liquid auxiliary agent for mixing and stirring;
s4, adding plastic particles into a stirring kettle, wherein the plastic particles are POE or PE particles, adding the plastic particles into the stirring kettle at the particle mixing temperature of not more than 50 ℃, and then adding the auxiliary agent stirred in the step S3, mixing and stirring until the auxiliary agent is absorbed into the particles;
s5 and S4, granulating the mixed particles after the mixing and stirring are completed.
Preferably, step S4 is performed by using a jacketed stirred tank with temperature control.
Preferably, the granulation temperature in step S5 is controlled to 200. + -. 20 ℃.
Preferably, the powdered assistant is ground to 200 mesh or more in step S2.
Preferably, the flake assistant is mixed at 100 ℃ for half an hour in step S3 before preparing the raw materials.
Preferably, the POE or PE particles have a melt index of 3-20g/10min, a melting temperature of > 105 ℃, a light transmittance of > 90%, and a haze of < 1%.
Preferably, POE or PE particles are used as main particles, EVA particles or PVB particles are used as auxiliary particles, and the mass ratio of the main particles to the auxiliary particles is more than or equal to 7: 3.
Preferably, the EVA particles are selected as auxiliary particles, the melting index is required to be 3-20g/10min, the melting temperature is higher than 45 ℃, the light transmittance is higher than 90%, and the haze is lower than 1%, and the PVB particles are selected as auxiliary particles, the melting index is required to be 1-10g/10min, the melting temperature is higher than 120 ℃, the light transmittance is higher than 90%, and the haze is lower than 1%.
Preferably, the mass ratio of the various auxiliary agents in the adhesive is 0.5-5%, and the total mass ratio is not more than 10%.
Preferably, the adhesive is added with the vinyl-terminated organic silicon resin, the vinyl content is 0.5-5%, the hot melt adhesive is added with the organic silicon with the vinyl-terminated groups, the crosslinking can be accelerated, the weather resistance can be improved, the performance is more excellent, the production process is simple and efficient, the remarkable innovation is realized, and the national innovation requirement is met.
The invention abandons the traditional liquid adhesive, adopts the environment-friendly and safe hot melt adhesive as the adhesive of the composite film, adopts a brand-new process and new equipment, saves energy consumption, has no three wastes emission, and has the function of curing under UV or EB radiation, so that the coating and curing of the laminating film can be finished at one time, and the laminating film can be processed in a single-sided double-spraying way and can also be processed in a double-sided double-spraying way; compared with the traditional hot melt adhesive, the traditional hot melt adhesive is thermoplastic and can not be converted into thermosetting, so that the use condition is limited, the hot melt adhesive can not be used under a high-temperature condition, the hot melt adhesive can be crosslinked and cured under the UV or EB condition after relevant auxiliaries are added, and the traditional hot melt adhesive has poor weather resistance and can not bear the harsh requirement of a photovoltaic module on the weather resistance of an adhesive under the indoor moderate condition.
According to the invention, EVA, PE, POE and PVB particles with good weather resistance and transparency are selected and matched with other auxiliary agents, so that the hot melt adhesive has a cross-linking curing function under the UV or EB condition, the bonding strength of the hot melt adhesive with a base material and a back film is enhanced, the heat and cold resistance and the mechanical property of the hot melt adhesive are also improved, and the hot melt adhesive has excellent weather resistance and UV aging resistance by selecting the proper auxiliary agents.
In the description herein, references to the description of "one embodiment," "an example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. The production method of the environment-friendly adhesive for the transparent back plate is characterized by comprising the following steps of:
s1, mixing various auxiliary agents, wherein the auxiliary agents specifically comprise a photoinitiator, an auxiliary crosslinking agent, a monomer, an active diluent, an antioxidant, a light stabilizer, a tackifier and a wetting agent, the mass percentage of the various auxiliary agents is 0.5-5%, and the total percentage is not more than 10%;
s2, grinding the powdery auxiliary agent and mixing the ground powdery auxiliary agent with other ground powdery auxiliary agents; s3, mixing the flaky auxiliary agent with the liquid auxiliary agent after being melted, and then adding the powdery auxiliary agent processed in the step S2 into the liquid auxiliary agent for mixing and stirring;
s4, adding plastic particles into a stirring kettle, wherein the plastic particles are POE or PE particles, adding the plastic particles into the stirring kettle at the particle mixing temperature of not more than 50 ℃, and then adding the auxiliary agent stirred in the step S3, mixing and stirring until the auxiliary agent is absorbed into the particles;
s5 and S4, granulating the mixed particles after the mixing and stirring are completed.
2. The method according to claim 1, wherein the step S4 is carried out by using a stirring tank with a jacket having a temperature control function.
3. The production method according to claim 1, wherein the granulation temperature of step S5 is controlled to 200 ± 20 ℃.
4. The production method according to claim 1, wherein the powdered assistant is ground to 200 mesh or more in step S2.
5. The method of claim 1, wherein the flake adjuvant is mixed at 100 deg.C for half an hour in step S3 before preparing the raw materials.
6. The process according to claim 1, wherein the POE or PE particles have a melt index of 3-20g/10min, a melting temperature of > 105 ℃, a light transmittance of > 90%, and a haze of < 1%.
7. The production method according to claim 6, wherein POE or PE particles are primary particles, EVA particles or PVB particles are selected as secondary particles, and the mass ratio of the primary particles to the secondary particles is not less than 7: 3.
8. The method of claim 7, wherein the EVA particles are selected as the auxiliary particles and have a melt index of 3-20g/10min, a melt temperature of > 45 ℃, a light transmittance of > 90%, and a haze of < 1%, and the PVB particles are selected as the auxiliary particles and have a melt index of 1-10g/10min, a melt temperature of > 120 ℃, a light transmittance of > 90%, and a haze of < 1%.
9. The production method according to claim 1, wherein the mass ratio of each type of the auxiliary agent in the adhesive is 0.5-5%, and the total mass ratio is not more than 10%.
10. The method of claim 1, wherein the adhesive is added with vinyl terminated silicone resin, and the vinyl content is 0.5% to 5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010385922.4A CN111349410A (en) | 2020-05-09 | 2020-05-09 | Production method of environment-friendly adhesive for transparent back plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010385922.4A CN111349410A (en) | 2020-05-09 | 2020-05-09 | Production method of environment-friendly adhesive for transparent back plate |
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| CN111349410A true CN111349410A (en) | 2020-06-30 |
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| CN202010385922.4A Pending CN111349410A (en) | 2020-05-09 | 2020-05-09 | Production method of environment-friendly adhesive for transparent back plate |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106189921A (en) * | 2016-08-15 | 2016-12-07 | 常州大学 | A kind of POE packaging adhesive film composite tackifier with high bond strength and application thereof |
| CN109355037A (en) * | 2018-10-18 | 2019-02-19 | 杭州福斯特应用材料股份有限公司 | A kind of ultraviolet light solidification packaging adhesive film and solar cell module |
| CN110041835A (en) * | 2019-03-12 | 2019-07-23 | 常州斯威克光伏新材料有限公司 | Multi-layer co-extruded anti-polarization type compound cutan of one kind and preparation method thereof |
| CN111073531A (en) * | 2019-12-11 | 2020-04-28 | 广州鹿山新材料股份有限公司 | Low-temperature curing POE (polyolefin elastomer) adhesive film and double-glass assembly packaged by same |
| CN111117498A (en) * | 2019-12-26 | 2020-05-08 | 江苏鹿山新材料有限公司 | Photo-thermal dual-curing POE (polyolefin elastomer) packaging adhesive film for photovoltaic and preparation method thereof |
-
2020
- 2020-05-09 CN CN202010385922.4A patent/CN111349410A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106189921A (en) * | 2016-08-15 | 2016-12-07 | 常州大学 | A kind of POE packaging adhesive film composite tackifier with high bond strength and application thereof |
| CN109355037A (en) * | 2018-10-18 | 2019-02-19 | 杭州福斯特应用材料股份有限公司 | A kind of ultraviolet light solidification packaging adhesive film and solar cell module |
| CN110041835A (en) * | 2019-03-12 | 2019-07-23 | 常州斯威克光伏新材料有限公司 | Multi-layer co-extruded anti-polarization type compound cutan of one kind and preparation method thereof |
| CN111073531A (en) * | 2019-12-11 | 2020-04-28 | 广州鹿山新材料股份有限公司 | Low-temperature curing POE (polyolefin elastomer) adhesive film and double-glass assembly packaged by same |
| CN111117498A (en) * | 2019-12-26 | 2020-05-08 | 江苏鹿山新材料有限公司 | Photo-thermal dual-curing POE (polyolefin elastomer) packaging adhesive film for photovoltaic and preparation method thereof |
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