CN110791217A - Method for manufacturing environment-friendly flame-retardant double-sided adhesive tape - Google Patents
Method for manufacturing environment-friendly flame-retardant double-sided adhesive tape Download PDFInfo
- Publication number
- CN110791217A CN110791217A CN201910955327.7A CN201910955327A CN110791217A CN 110791217 A CN110791217 A CN 110791217A CN 201910955327 A CN201910955327 A CN 201910955327A CN 110791217 A CN110791217 A CN 110791217A
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- China
- Prior art keywords
- adhesive
- environment
- release film
- friendly flame
- manufacturing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
- B05D3/0272—After-treatment with ovens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/02—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber
- B05D7/04—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber to surfaces of films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
-
- 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
-
- 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
- C09J7/10—Adhesives in the form of films or foils without carriers
-
- 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
- C09J9/00—Adhesives characterised by their physical nature or the effects produced, e.g. glue sticks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2502/00—Acrylic polymers
-
- 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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
-
- 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
- C09J2467/00—Presence of polyester
- C09J2467/005—Presence of polyester in the release coating
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Adhesive Tapes (AREA)
Abstract
The invention discloses a method for manufacturing an environment-friendly flame-retardant double-sided adhesive tape, which comprises the following steps: (1) preparing an adhesive; (2) gluing the PET release film; (3) a step of five-stage drying; (4) and (5) winding. The prepared flame-retardant pollution-free adhesive is more environment-friendly, the prepared double-sided adhesive tape is almost free of wrinkles and attractive in appearance, the residual solvent content is below 1.5%, the influence on the working environment during production is avoided, the good stripping effect can be kept, and meanwhile, the influence on an adherend or a printing layer with poor solvent resistance is avoided.
Description
Technical Field
The invention relates to the field of double-sided adhesive tapes, in particular to a manufacturing method of an environment-friendly flame-retardant double-sided adhesive tape.
Background
The existing double-sided adhesive tape is often good in tension control or a large amount of air enters during winding in the production process, so that a large amount of pattern-shaped marks and winding wrinkles are generated during winding, even the adhesive tape is curled, and the appearance is not attractive enough. Further, the conventional double-sided adhesive tape has a large amount of residual solvent, which affects the environment, causes a large initial adhesive force of the adhesive tape, easily deteriorates the performance after aging of the adhesive tape, and causes a problem of peeling property of the release paper, and the adhesive or the print layer having poor solvent resistance is affected by the large amount of solvent when used.
Disclosure of Invention
In order to overcome the defects, the invention provides the method for manufacturing the environment-friendly flame-retardant double-sided adhesive tape, which is environment-friendly, flame-retardant, smooth in winding, free of wrinkles in manufactured products, good in appearance and good in quality, and comprises the following steps:
(1) preparing an adhesive;
(2) gluing the PET release film;
(3) a step of five-stage drying;
(4) and (5) winding.
The invention relates to a method for manufacturing an environment-friendly flame-retardant double-sided tape, wherein an adhesive in step (1) comprises 30-70 parts by weight of water-based acrylate emulsion and 5-10 parts by weight of a phosphorus-nitrogen compound halogen-free flame retardant.
According to the manufacturing method of the environment-friendly flame-retardant double-sided tape, when the adhesive is coated in the step (2), a double-silicon PET release film is adopted, the conveying tension is 147 N.m, the adhesive falls onto the surface of the release film through a hose, an 80-mesh nylon net is arranged at the outlet end of the hose, the temperature of the adhesive is kept at 55-80 ℃, and the adhesive is coated on the release film through a comma scraper.
The invention relates to a method for manufacturing an environment-friendly flame-retardant double-sided adhesive tape, which comprises the following steps that five drying furnaces are adopted in the step (3), and a release film coated with an adhesive sequentially passes through five parts of a mold at a linear speed of 11m/min, wherein the temperature of the release film is 60-70 ℃, 75-85 ℃, 90-100 ℃ respectively,Drying furnaces of 70-80 ℃, wherein the time for passing through each drying furnace is 15-20s, and the residence time of the third drying furnace, the fourth drying furnace and the fourth drying furnace is longer than that of the other three drying furnaces; since the solvent evaporates after heating and when the amount of the solvent evaporated in the drying oven is excessive, explosion may occur when static electricity is generated, and therefore, in view of safety, air is supplied by blowing air with a flow rate of 0.6m during the entire drying process3(s) a roll pressure of 0.35MPa or less.
When the thickness of the adhesive layer exceeds 70 mu m, the pressure of the compression roller is between 0.25 and 0.3MPa for preventing the deformation of the colloid.
The invention relates to a method for manufacturing an environment-friendly flame-retardant double-sided adhesive tape.
The invention relates to a method for manufacturing an environment-friendly flame-retardant double-sided adhesive tape, wherein in the whole process of the step (4), the winding speed and the tension change in real time, the diameter of a paper tube for winding a film is phi during winding, the real-time diameter of the film during winding is phi', and the real-time winding speed is the initial speed
The real-time coiling tension being equal to the initial coiling tensionThe optimal initial coiling tension is 350 N.m, the initial coiling speed is 60m/min, a soft compression roller coated by PU is pressed on a paper tube to avoid coiling wrinkles, after the release film is coiled on the paper tube, the soft compression roller is pressed on the non-adhesive surface of the release film, the length of the soft compression roller is the same as the width of the release film, the soft compression roller can be gradually jacked up along with the thicker the release film on the paper tube is coiled, but is still always pressed on the surface of the roll film, a displacement sensor is arranged on the soft compression roller, along with jacking of the soft compression roller, the displacement sensor judges the real-time diameter change of the roll film by detecting the real-time change of the position of the soft compression roller, so as to control the real-time change of the coiling speed and the tension, the arrangement of the soft compression roller avoids the entering of air and water vapor, no wrinkles are generated during coiling, and the generation of wrinklesThe permanent adhesion of the product. And because the tension of the film changes along with the change of the coiling diameter during coiling and gradually falls, the problems of air entering during too loose coiling and roll escaping during too tight coiling can be solved.
The invention has the beneficial effects that:
the adhesive adopted by the invention is flame-retardant, pollution-free and environment-friendly, the manufactured double-sided adhesive tape is almost free of wrinkles and attractive in appearance, the residual solvent content is below 1.5%, the influence on the working environment during production is avoided, the good stripping effect can be kept, and meanwhile, the influence on an adherend or a printing layer with poor solvent resistance is avoided.
Detailed Description
The present invention will now be described in further detail.
The method for manufacturing the environment-friendly flame-retardant double-sided adhesive tape comprises the following steps:
(1) glue mixing: uniformly mixing 30-70 parts by weight of water-based acrylate emulsion and 5-10 parts by weight of phosphorus-nitrogen compound halogen-free flame retardant to prepare an adhesive;
(2) gluing: gluing a double-silicon PET release film, wherein the conveying tension of the film is 147 N.m, an adhesive falls onto the surface of the release film through a hose, an 80-mesh nylon net is arranged at the outlet end of the hose, the temperature of the adhesive is kept at 55-80 ℃ during gluing so as to improve the adhesion between the adhesive and the release film, and the adhesive is coated on the release film by a comma scraper;
(3) and (3) drying: drying by adopting five drying furnaces, sequentially passing the release film coated with the adhesive through the five drying furnaces with the temperatures of 60-70 ℃, 75-85 ℃, 90-100 ℃ and 70-80 ℃ at the linear speed of 11m/min, wherein the time for passing through each drying furnace is 15-20s, the residence time of the third drying furnace and the fourth drying furnace is longer than that of the other three drying furnaces, and in order to improve the curling problem, the temperature of the last drying furnace is lower than that of the first two drying furnaces; since the solvent evaporates after heating and when the amount of the solvent evaporated in the drying oven is excessive, explosion may occur when static electricity is generated, and therefore, in view of safety, air is supplied by blowing air with a flow rate of 0.6m during the entire drying process3(s) the pressure of the compression roller is below 0.35 MPa; when the thickness of the glue layer exceeds 70 mu m, the pressure of the compression roller is between 0.25 and 0.3MPa for preventing the colloid from deforming;
in all drying furnaces, the conductive carbon fiber brush is adopted to contact the non-adhesive surface of the release film, and the conductive carbon fiber brush is connected to a ground wire through a lead to remove static electricity, so that the safety is further guaranteed;
(4) winding: the winding speed and tension are changed in real time in the whole process, the diameter of a paper tube for winding the film is phi during winding, the real-time diameter during film winding is phi', and the real-time winding speed is the initial speed
The real-time coiling tension being equal to the initial coiling tension
The method comprises the following steps that firstly, a PU-coated soft compression roller is pressed on a paper tube to avoid rolling wrinkles, after a release film is rolled onto the paper tube, the soft compression roller is pressed on a non-adhesive surface of the release film, the length of the soft compression roller is the same as the width of the release film, the soft compression roller can be gradually jacked up along with the fact that the release film on the paper tube is thicker and thicker, but is still pressed on the surface of the release film all the time, a displacement sensor is arranged on the soft compression roller, and along with jacking of the soft compression roller, the displacement sensor judges real-time diameter change of the release film through detecting real-time change of the position of the soft compression roller to control real-time change of winding speed and tension, the soft compression roller is arranged to avoid the entrance of air and water vapor, so that no wrinkles are generated during winding, and the holding adhesive force of a product is guaranteed; and because the tension of the film changes along with the change of the coiling diameter during coiling and gradually falls, the problems of air entering during too loose coiling and roll escaping during too tight coiling can be solved.
In light of the foregoing, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. The manufacturing method of the environment-friendly flame-retardant double-sided adhesive tape is characterized by comprising the following steps of:
(1) preparing an adhesive;
(2) gluing the PET release film;
(3) a step of five-stage drying;
(4) and (5) winding.
2. The method for manufacturing the environment-friendly flame-retardant double-sided tape according to claim 1, wherein the adhesive in the step (1) comprises 30-70 parts by weight of water-based acrylate emulsion and 5-10 parts by weight of phosphorus-nitrogen compound halogen-free flame retardant.
3. The method for manufacturing the environment-friendly flame-retardant double-sided tape according to claim 1, wherein the adhesive in the step (2) is coated on a double-silicon PET release film, the conveying tension of the film is 147N · m, the adhesive falls onto the surface of the release film through a hose, an 80-mesh nylon net is installed at the outlet end of the hose, the temperature of the adhesive is kept at 55-80 ℃, and the adhesive is coated on the release film by a comma scraper.
4. The method for manufacturing the environment-friendly flame-retardant double-sided adhesive tape according to claim 1, wherein five drying furnaces are adopted in the step (3), the release film coated with the adhesive sequentially passes through the five drying furnaces with the temperatures of 60-70 ℃, 75-85 ℃, 90-100 ℃ and 70-80 ℃ at the linear speed of 11m/min, and the time for passing through each drying furnace is 15-20 s; air is supplied in the drying process, and the air supply flow is 0.6m3(s) a roll pressure of 0.35MPa or less.
5. The method for manufacturing environment-friendly flame-retardant double-sided adhesive tape according to claim 4, wherein the pressure of the pressing roll is between 0.25 and 0.3 MPa.
6. The method for manufacturing environment-friendly flame-retardant double-sided tape according to claim 4, wherein in a drying furnace, a conductive carbon fiber brush is used for contacting the non-adhesive surface of the release film, and the conductive carbon fiber brush is grounded through a lead.
7. The method for manufacturing environment-friendly flame retardant double sided tape according to claim 1, wherein the winding speed and tension are changed in real time in the whole process of the step (4), the diameter of the paper tube for winding the film is phi during winding, the real-time diameter of the film is phi' during winding, and the real-time winding speed is the initial speed
The real-time coiling tension being equal to the initial coiling tension
And (4) doubling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910955327.7A CN110791217A (en) | 2019-10-09 | 2019-10-09 | Method for manufacturing environment-friendly flame-retardant double-sided adhesive tape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910955327.7A CN110791217A (en) | 2019-10-09 | 2019-10-09 | Method for manufacturing environment-friendly flame-retardant double-sided adhesive tape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110791217A true CN110791217A (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910955327.7A Pending CN110791217A (en) | 2019-10-09 | 2019-10-09 | Method for manufacturing environment-friendly flame-retardant double-sided adhesive tape |
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| CN (1) | CN110791217A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102533153A (en) * | 2011-11-24 | 2012-07-04 | 石狮市鑫达工业有限公司 | Double-sided adhesive tape production process |
| CN102702993A (en) * | 2012-05-29 | 2012-10-03 | 泰山石膏股份有限公司 | Production process for special paper adhesive tape for gypsum board with paper surface |
| CN103666299A (en) * | 2012-09-26 | 2014-03-26 | 上海晶华粘胶制品发展有限公司 | Transferable double sided tape and production technology thereof |
| CN104513635A (en) * | 2014-12-10 | 2015-04-15 | 斯迪克新型材料（江苏）有限公司 | Making method for anti-fake soundless adhesive tape |
-
2019
- 2019-10-09 CN CN201910955327.7A patent/CN110791217A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102533153A (en) * | 2011-11-24 | 2012-07-04 | 石狮市鑫达工业有限公司 | Double-sided adhesive tape production process |
| CN102702993A (en) * | 2012-05-29 | 2012-10-03 | 泰山石膏股份有限公司 | Production process for special paper adhesive tape for gypsum board with paper surface |
| CN103666299A (en) * | 2012-09-26 | 2014-03-26 | 上海晶华粘胶制品发展有限公司 | Transferable double sided tape and production technology thereof |
| CN104513635A (en) * | 2014-12-10 | 2015-04-15 | 斯迪克新型材料（江苏）有限公司 | Making method for anti-fake soundless adhesive tape |
Non-Patent Citations (2)
| Title |
|---|
| 陆维强: "《轮转机组式凹版印刷机》", 30 April 2014, 印刷工业出版社 * |
| 陈振翼等: "《张力控制系统》", 31 October 1988, 纺织工业出版社 * |
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| PB01 | Publication | ||
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Application publication date: 20200214 |