CN105643853A - Electrical adhesive tape processing method - Google Patents
Electrical adhesive tape processing method Download PDFInfo
- Publication number
- CN105643853A CN105643853A CN201610202691.2A CN201610202691A CN105643853A CN 105643853 A CN105643853 A CN 105643853A CN 201610202691 A CN201610202691 A CN 201610202691A CN 105643853 A CN105643853 A CN 105643853A
- Authority
- CN
- China
- Prior art keywords
- adhesive tape
- processing method
- pressure sensitive
- electrical
- sensitive adhesive
- 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.)
- Pending
Links
Classifications
-
- 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
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/24—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of indefinite length
- B29C41/26—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of indefinite length by depositing flowable material on a rotating drum
-
- 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
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/24—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of indefinite length
- B29C41/32—Making multilayered or multicoloured articles
-
- 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
- C09J7/22—Plastics; Metallised plastics
-
- 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
- C09J7/22—Plastics; Metallised plastics
- C09J7/24—Plastics; Metallised plastics based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/245—Vinyl resins, e.g. polyvinyl chloride [PVC]
-
- 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
- C09J7/38—Pressure-sensitive adhesives [PSA]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
-
- 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
- C09J2301/302—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 the adhesive being pressure-sensitive, i.e. tacky at temperatures inferior to 30°C
-
- 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
- C09J2427/00—Presence of halogenated polymer
- C09J2427/006—Presence of halogenated polymer in the substrate
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Adhesive Tapes (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention belongs to the technical field of adhesive tape processing processes and discloses an electrical adhesive tape processing method. The electrical adhesive tape processing method is designed in order to solve the problems of low operation efficiency, failure in environment friendliness and the like of existing electrical adhesive tape processing methods. According to the electrical adhesive tape processing method, a PVC (polyvinyl chloride) substrate and a pressure-sensitive adhesive material are respectively extruded in a double-screw extruder and then subjected to tape casting in a tape casting machine to form a PVC film with an adhesive surface layer. The electrical adhesive tape processing method has the advantages of improvement of electrical adhesive tape processing efficiency, energy saving, environment friendliness, reduction of processing cost and performance improvement.
Description
Technical field
The present invention relates to adhesive tape technology field, the processing method being specifically related to a kind of electrical adhesive tape.
Background technology
In electrical equipment manufacture, construction and use procedure, a large amount of electric wires, the various terminals of cable and jointing need with electrical adhesive tape, to be insulated and encapsulation process in the position being likely to electric leakage. The formal name used at school of electrical adhesive tape is polrvinyl chloride electric insulating tape, generally in the industry referred to as electric insulation adhesive tape or insulating tape, is also referred to as PVC electrical adhesive tape. Wherein, PVC film Main Ingredients and Appearance is polrvinyl chloride, it is possible to additionally incorporate other compositions to strengthen its thermostability, toughness, ductility etc., it be the world today is liked deeply, rather popular and a kind of synthetic material of being also widely used.
Curtain coating is a kind of plastic foil production technology, first pass through extruder raw material plastifying fusion, extrude again through T-type structure mould, be cast on the roll surface of the cooling roller rotated smoothly in the form of sheets, diaphragm is cooled cooling sizing on cooling roller, then through traction, after trimming goods rolling. Pressure sensitive adhesive is the abbreviation of pressure-sensitive adhesive, is that a class has the adhesive that pressure has sensitivity, and it is mainly for the preparation of pressure sensitive adhesive tape. The peeling force (adhesive tape and the peeling force showed after being pasted by maxxaedium pressurization) of general pressure sensitive adhesive is less than the cohesiveness (active force between pressure sensitive adhesive molecule) of adhesive, the cohesiveness of adhesive is less than the base adhesion force (adhesive force between adhesive and base material) of adhesive, therefore, pressure-sensitive adhesive does not in use just have the generation of the phenomenons such as degumming.
The processing method of existing electrical adhesive tape is coating hot-fusible pressure-sensitive adhesive in extrusion curtain coating PVC film, this method energy consumption, occupation of land, labour costs etc. in the process produced are all higher, additionally, the work efficiency of this technique is relatively low, the course of processing not environmentally, the tape performance of production is poor. Therefore, need badly the processing method of a kind of novel electrical adhesive tape improving working (machining) efficiency, make the course of processing more environmental protection, energy-conservation.
Summary of the invention
The processing method that the purpose of the present invention is to propose to a kind of electrical adhesive tape that the raising of electrical adhesive tape working (machining) efficiency, energy-conserving and environment-protective, processing cost can be made to reduce.
For reaching this purpose, the present invention by the following technical solutions:
The processing method of a kind of electrical adhesive tape, described processing method is carry out curtain coating processing after the sizing material of PVC base material Yu pressure sensitive adhesive is respectively put into double screw extruder extrusion then through casting machine simultaneously, to form the top layer sticking PVC film of tool.
As a preferred version of the present invention, described processing method specifically includes following step:
Step S1, prepare described PVC base material;
Step S2, PVC base material is put into described double screw extruder extrusion;
Step S3, will put into after the sizing material mix homogeneously of pressure sensitive adhesive described double screw extruder extrusion;
Step S4, the sizing material of the described PVC base material extruded respectively in described step S2 and S3 and described pressure sensitive adhesive is injected in casting machine and carries out curtain coating processing simultaneously;
Form top layer after the processing of step S5, curtain coating and have sticking PVC film.
As a preferred version of the present invention, described pressure sensitive adhesive is thermotropic pressure sensitive glue.
As a preferred version of the present invention, described pressure sensitive adhesive peel strength, more than 6.5N/25mm, holds viscosity more than 7.5h.
Described pressure sensitive adhesive peel strength, more than 6.5N/25mm, holds viscosity more than 7.5h.
As a preferred version of the present invention, has the thickness of top layer pressure sensitive adhesive of sticking PVC film between 8 ��m to 12 ��m.
As a preferred version of the present invention, described top layer has the thickness of sticking PVC film between 0.15mm to 0.20mm.
As a preferred version of the present invention, after described step S5, carry out rewinding and the operation cut.
The invention have the benefit that
The processing method of the electrical adhesive tape of the present invention is to carry out curtain coating processing after the sizing material of PVC base material Yu pressure sensitive adhesive is respectively put into double screw extruder extrusion then through casting machine simultaneously, to form the top layer sticking PVC film of tool, be can solve the problem that the problems such as existing processes efficiency is low, energy consumption is high, cost is high, electrical adhesive tape poor performance by this processing method. The processing method of the electrical adhesive tape of the present invention makes the raising of electrical adhesive tape working (machining) efficiency, energy-conserving and environment-protective, processing cost reduce, the method makes PVC film form an entirety with pressure-sensitive adhesive layer bonding simultaneously, drastically increase the cohesive of electrical adhesive tape, be prevented from glue-line simultaneously and shift.
Accompanying drawing explanation
Fig. 1 is the flow chart of the processing method of the electrical adhesive tape that the preferred embodiment of the present invention one provides.
Detailed description of the invention
Technical scheme is further illustrated below in conjunction with accompanying drawing and by detailed description of the invention.
Preferred embodiment one:
This preferred embodiment provides the processing method of a kind of electrical adhesive tape. As it is shown in figure 1, the processing method of electrical adhesive tape specifically includes following step:
Step S1, preparation PVC base material; PVC is with Corvic for primary raw material, add the material then through the technique such as mixing, calendering, vacuum forming such as appropriate age resister, modifying agent, it has the features such as lightweight, protection against the tide, fire-retardant, easy construction, additionally, specification, color, pattern are various, practical.
Step S2, PVC base material is put into double screw extruder extrusion; Double screw extruder mainly includes actinobacillus device, coalignment, preheating device, chiller, traction apparatus, spark tester, take-up etc., is connected to casting machine in the side of the discharging port of double screw extruder.
Step S3, will put into after the sizing material mix homogeneously of pressure sensitive adhesive double screw extruder extrusion; Wherein, pressure sensitive adhesive is thermotropic pressure sensitive glue, it is preferred to thermotropic pressure sensitive glue; Pressure sensitive adhesive peel strength, more than 6.5N/25mm, holds viscosity more than 7.5h.
Step S4, the sizing material of the PVC base material extruded respectively in step S2 and S3 and pressure sensitive adhesive is injected in casting machine and carries out curtain coating processing simultaneously; Curtain coating is a kind of plastic foil production technology, first passes through double screw extruder raw material plastifying fusion, extrudes again through T-type structure mould, is cast on the roll surface of the cooling roller rotated smoothly in the form of sheets, and diaphragm is cooled cooling sizing on cooling roller.In this step, while PVC base material curtain coating, the pressure sensitive adhesive sizing material after extrusion being also carried out curtain coating, thus forming upper strata is glued membrane, lower floor is the overall structure of PVC film.
Forming top layer after the processing of step S5, curtain coating and have sticking PVC film, the thickness of the top layer pressure sensitive adhesive of the sticking PVC film of this tool is between 8 ��m to 12 ��m, it is preferred to 10 ��m; The thickness of PVC film entirety is between 0.15mm to 0.20mm, it is preferred to 0.18mm.
Step S6, carry out rewinding and the operation cut, thus being processed as the multireel adhesive tape that disclosure satisfy that user's request.
The processing method of the electrical adhesive tape in the present embodiment makes the raising of electrical adhesive tape working (machining) efficiency, energy-conserving and environment-protective, processing cost reduce, the method makes PVC film form an entirety with pressure-sensitive adhesive layer bonding simultaneously, drastically increase the cohesive of electrical adhesive tape, be prevented from glue-line simultaneously and shift.
Preferred embodiment two:
This preferred embodiment provides the processing method of a kind of electrical adhesive tape, this processing method is essentially identical with the method for preferred embodiment one, particularly as follows: carry out curtain coating processing after the sizing material of PVC base material Yu pressure sensitive adhesive is respectively put into double screw extruder extrusion then through casting machine simultaneously, to form the top layer sticking PVC film of tool.
It is different in that: the top layer of formation has the thickness of sticking PVC film and do not limit, and arranges according to actually used demand; The sizing material extrusion order in no particular order of PVC base material and pressure sensitive adhesive, carries out curtain coating processing it is thus possible to form top layer have sticking PVC film as long as meeting simultaneously.
Finally, it can further be stated that, in this article, term " includes ", " comprising " or its any other variant are intended to comprising of nonexcludability, so that include the process of a series of key element, method, article or equipment not only include those key elements, but also include other key elements being not expressly set out, or also include the key element intrinsic for this process, method, article or equipment. When there is no more restriction, statement " including ... " key element limited, it is not excluded that there is also other identical element in including the process of described key element, method, article or equipment.
It is above the embodiment provided in conjunction with accompanying drawing; it is only that the preferred version realizing the present invention is not intended to limit; any the specific embodiment of the present invention modified or portion of techniques feature is carried out equivalent replacement; without deviating from the spirit of technical solution of the present invention, all should be encompassed in the middle of the technical scheme scope that the present invention is claimed. Protection scope of the present invention also includes those skilled in the art and does not pay the thinkable any alternate embodiments of creative work.
Claims (7)
1. the processing method of an electrical adhesive tape, it is characterised in that described processing method is carry out curtain coating processing after the sizing material of PVC base material Yu pressure sensitive adhesive is respectively put into double screw extruder extrusion then through casting machine simultaneously, to form the top layer sticking PVC film of tool.
2. the processing method of a kind of electrical adhesive tape according to claim 1, it is characterised in that described processing method specifically includes following step:
Step S1, prepare described PVC base material;
Step S2, PVC base material is put into described double screw extruder extrusion;
Step S3, will put into after the sizing material mix homogeneously of pressure sensitive adhesive described double screw extruder extrusion;
Step S4, the sizing material of the described PVC base material extruded respectively in described step S2 and S3 and described pressure sensitive adhesive is injected in casting machine and carries out curtain coating processing simultaneously;
Form top layer after the processing of step S5, curtain coating and have sticking PVC film.
3. the processing method of a kind of electrical adhesive tape according to claim 2, it is characterised in that described pressure sensitive adhesive is thermotropic pressure sensitive glue.
4. the processing method of a kind of electrical adhesive tape according to claim 3, it is characterised in that described pressure sensitive adhesive peel strength, more than 6.5N/25mm, holds viscosity more than 7.5h.
5. the processing method of a kind of electrical adhesive tape according to claim 4, it is characterised in that have the thickness of top layer pressure sensitive adhesive of sticking PVC film between 8 ��m to 12 ��m.
6. the processing method of a kind of electrical adhesive tape according to claim 5, it is characterised in that described top layer has the thickness of sticking PVC film between 0.15mm to 0.20mm.
7. the processing method of a kind of electrical adhesive tape according to claim 2, it is characterised in that carry out rewinding and the operation cut after described step S5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610202691.2A CN105643853A (en) | 2016-04-05 | 2016-04-05 | Electrical adhesive tape processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610202691.2A CN105643853A (en) | 2016-04-05 | 2016-04-05 | Electrical adhesive tape processing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105643853A true CN105643853A (en) | 2016-06-08 |
Family
ID=56496097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610202691.2A Pending CN105643853A (en) | 2016-04-05 | 2016-04-05 | Electrical adhesive tape processing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105643853A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110158325A (en) * | 2019-05-20 | 2019-08-23 | 宁波全泰环保科技有限公司 | A kind of the lamination equipment and its production technology of versatility production PVC adhesive plaster |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1370112A (en) * | 2000-05-09 | 2002-09-18 | 四维企业股份有限公司 | Composite insulation adhesive tape |
| CN101670637A (en) * | 2009-08-04 | 2010-03-17 | 东莞市雄林塑胶有限公司 | Method and equipment thereof for coextrusion casting of double-layer film |
| CN101928527A (en) * | 2010-08-26 | 2010-12-29 | 安徽省宁国双津(集团)实业有限公司 | Environmental-friendly protection film for automobile |
| CN102304329A (en) * | 2011-07-25 | 2012-01-04 | 俞明高 | Self-adhesive protective film and initial adhesion regulating method of self-adhesive protective film |
| CN102490422A (en) * | 2011-12-07 | 2012-06-13 | 东莞市雄林新材料科技有限公司 | Multi-layer co-extrusion thermoplastic polyurethane (TPU) thin film and production process thereof |
| CN202898314U (en) * | 2012-10-17 | 2013-04-24 | 常州市远东先进塑胶有限公司 | Insulating PVC (Polyvinyl Chloride) tape |
-
2016
- 2016-04-05 CN CN201610202691.2A patent/CN105643853A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1370112A (en) * | 2000-05-09 | 2002-09-18 | 四维企业股份有限公司 | Composite insulation adhesive tape |
| CN101670637A (en) * | 2009-08-04 | 2010-03-17 | 东莞市雄林塑胶有限公司 | Method and equipment thereof for coextrusion casting of double-layer film |
| CN101928527A (en) * | 2010-08-26 | 2010-12-29 | 安徽省宁国双津(集团)实业有限公司 | Environmental-friendly protection film for automobile |
| CN102304329A (en) * | 2011-07-25 | 2012-01-04 | 俞明高 | Self-adhesive protective film and initial adhesion regulating method of self-adhesive protective film |
| CN102490422A (en) * | 2011-12-07 | 2012-06-13 | 东莞市雄林新材料科技有限公司 | Multi-layer co-extrusion thermoplastic polyurethane (TPU) thin film and production process thereof |
| CN202898314U (en) * | 2012-10-17 | 2013-04-24 | 常州市远东先进塑胶有限公司 | Insulating PVC (Polyvinyl Chloride) tape |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110158325A (en) * | 2019-05-20 | 2019-08-23 | 宁波全泰环保科技有限公司 | A kind of the lamination equipment and its production technology of versatility production PVC adhesive plaster |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160608 |
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| RJ01 | Rejection of invention patent application after publication |