CN111876086A - Cover tape, coating roller for preparing cover tape, and production method of cover tape - Google Patents
Cover tape, coating roller for preparing cover tape, and production method of cover tape Download PDFInfo
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- CN111876086A CN111876086A CN202010632733.2A CN202010632733A CN111876086A CN 111876086 A CN111876086 A CN 111876086A CN 202010632733 A CN202010632733 A CN 202010632733A CN 111876086 A CN111876086 A CN 111876086A
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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
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/29—Laminated material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0808—Details thereof, e.g. surface characteristics
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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
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
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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
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
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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
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- 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
- C08L2203/206—Applications use in electrical or conductive gadgets use in coating or encapsulating of electronic parts
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- 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
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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
- C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
- C09J2203/326—Applications of adhesives in processes or use of adhesives in the form of films or foils for bonding electronic components such as wafers, chips or semiconductors
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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
- C09J2423/00—Presence of polyolefin
- C09J2423/04—Presence of homo or copolymers of ethene
- C09J2423/046—Presence of homo or copolymers of ethene in the substrate
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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
- C09J2453/00—Presence of block copolymer
- C09J2453/006—Presence of block copolymer in the substrate
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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
- C09J2467/00—Presence of polyester
- C09J2467/006—Presence of polyester in the substrate
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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
- C09J2475/00—Presence of polyurethane
Abstract
The invention discloses a cover tape which has novel structural design, can reduce the use amount of bonding glue and is convenient to use, a coating roller for preparing the cover tape and a production method of the cover tape, wherein the cover tape comprises a PET (polyethylene terephthalate) film layer, a polyurethane glue layer, a PE (polyethylene) mixing layer and a bonding glue layer which are sequentially arranged, the bonding glue layer is positioned on the outer surface of the PE mixing layer, the bonding glue layer is in two bands and is respectively positioned on two sides of the PE mixing layer, and the PET film layer between the two band bonding glue layers leaks outwards and is not coated with the bonding; the production method of the cover tape comprises the following steps: a, preparing raw materials; b, preparing a PE mixing layer c, namely compounding the PET thin layer, the polyurethane glue layer, the PE mixing layer and the bonding glue layer; d, drying; e, cutting the mixture into products; the coating roller for preparing the cover tape comprises a roller body, wherein a plurality of annular frosted grains or reticular grains which are arranged at intervals and surround the roller body are arranged on the roller body, and a polished surface is arranged between the roller bodies between two adjacent annular frosted grains or reticular grains.
Description
Technical Field
The invention relates to the technical field of cover tapes for plastic carrier tapes and production methods thereof, in particular to a cover tape, a coating roller for preparing the cover tape and a production method of the cover tape.
Background
The cover tape refers to a belt-shaped product applied to the field of electronic packaging and is matched with a carrier tape; the carrier tape can be sealed on the surface of the carrier tape under the condition of external force or heating to form a closed space so as to protect electronic components in the pocket of the carrier tape; the surface of the existing cover tape is generally coated with a bonding adhesive layer in the whole area, and the bonding adhesive layer is not completely used in use, so the completely coated bonding adhesive layer causes waste of the bonding adhesive layer.
In view of this, the invention discloses a cover tape, a coating roller for preparing the cover tape and a production method of the cover tape.
The technical terms in the present invention are explained as follows:
the LLDPE is linear polyethylene;
MLDPE is a metallocene polyethylene;
LDPE is low density polyethylene;
POE is ethylene-a-olefin copolymer;
SEBS is hydrogenated polyisocyclopentadiene;
SEPS is hydrogenated polybutadiene;
EMA is an acrylic acid ethylene copolymer;
ATO is conductive particles-tin antimony oxide nano-particles;
BPO is benzoyl peroxide.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, adapt to practical requirements, and provide a cover tape which is novel in structural design, can reduce the use amount of bonding glue and is convenient to use, a coating roller for preparing the cover tape and a production method of the cover tape.
In order to realize the purpose of the invention, the technical scheme adopted by the invention is as follows:
the utility model discloses a cover tape, mix layer and bonding glue film including PET thin layer, polyurethane glue layer, the PE that sets gradually, PET thin layer and PE mix the layer with wide and both pass through the polyurethane glue layer is compound, the bonding glue film is located PE mixes layer surface, and the bonding glue film is two banding and is located the both sides that the PE mixed the layer respectively, and two banding PET thin layer that bond between the glue film leak and do not coat and have the bonding glue film.
The bonding glue layer is internally provided with a reticular hollow area, and the PET film layer in the hollow area leaks outwards.
The thickness of the PET film layer is 16-18 mu m, and the thickness of the polyurethane glue layer is 1-3 g/m2The thickness of the PE mixed layer is 30-45 μm; the thickness of the adhesive layer is 0.5-2.0 g/m2。
The bonding glue film includes: 80-85 parts of hydrophilic TPU particles, 3-5 parts of modified polyester, 0.1-0.2 part of antioxidant, 0.3-0.5 part of ultraviolet absorbent, 3-4 parts of inorganic silicon compound, 1-2 parts of coupling agent, 5-7 parts of tackifying assistant, 6-8 parts of propyl benzene emulsion, 3-5 parts of silicon dioxide particles and 35-65 parts of deionized water.
The particle size of the silicon dioxide is 0.01-0.06 mu m.
The invention further discloses a coating roller for preparing the cover tape, which comprises a roller body, wherein a plurality of annular frosted grains or reticular grains which are arranged at intervals and surround the roller body are arranged on the roller body, a smooth surface is arranged between the two adjacent annular frosted grains or reticular grains, the annular frosted grains or reticular grains protrude out of the smooth surface of the roller body by 0.01-0.06 mm, and the bonding glue is positioned on the annular frosted grains or reticular grains during coating and is transferred onto the PE mixing layer through the annular frosted grains or reticular grains to form the bonding glue layer.
A plurality of pores have been seted up on the smooth face wall of roll body between two adjacent cyclic annular dull polish lines or the netted line, pore and the interior cavity intercommunication of roll body, cavity and outside air supply intercommunication.
Furthermore, the invention also discloses a production method of the cover tape, which comprises the following steps: a, preparing raw materials; b, preparing a PE mixing layer, wherein the PE mixing layer is formed by film blowing through a three-layer film blowing machine; compounding the PET film layer, the polyurethane glue layer, the PE mixing layer and the adhesive layer; d, drying; e, cutting to form the product.
And c, when the adhesive glue layer is coated, the coating roller is used, high-pressure gas is filled into the coating roller during coating, the high-pressure gas passes through the cavity in the coating roller and then is discharged from the plurality of pores, and a gas isolation layer is formed on the surface of the roller body.
And d, cutting the middle part of the adhesive layer to form the cover tape.
And d, drying the mixture in an oven at the temperature of between 110 and 125 ℃ and under the pressure of between 0.3 and 0.5mpa for 7 to 10 seconds.
The invention has the beneficial effects that:
the use of this design not only can reduce the use amount that bonds glue layer glue, simultaneously, adopts the design of the banding bonding glue layer of both sides, and in use when realizing effectively bonding, the outer PE that leaks between the banding bonding glue layer of its both sides mixes the layer and can contact with electronic component, avoids the bonding glue layer on the cover area of traditional design to cause the influence to electronic component.
Drawings
FIG. 1 is a cross-sectional side view of a cover tape of the present invention;
FIG. 2 is a schematic view of the principal construction of a cover tape of the present invention;
fig. 3 is a schematic view of a partial sectional structure of the coating roll of the present invention.
Detailed Description
The invention is further illustrated with reference to the following figures and examples:
example 1: a cover tape, see fig. 1, 2.
It mixes layer 2 and bonding glue film 1 including PET thin layer 4, polyurethane glue layer 3, the PE that sets gradually, PET thin layer 4 and PE mix layer 2 with wide and both pass through polyurethane glue layer 3 is compound, the bonding glue film is located PE mixes layer surface, and the bonding glue film is two banding and is located the both sides that the PE mixed layer respectively, and two PET thin layer between the banding bonding glue film leak outward and do not coat and have the bonding glue film.
Through the design of above-mentioned structure, when its lid area bonds with the carrier band, its lid area only through the bonding glue film 1 of lid area both sides with the carrier band bond can, so design, cover in production for current lid area surface full coat or scribble bonding glue film 1 mode and compare, this can reduce bonding glue film 1 use amount, secondly in use, its both sides bonding glue film 1 can make lid area and carrier band bond through the heat-seal completely, and the electronic component who lies in the carrier band after bonding is covered by lid area middle part and is sealed, at this moment, the PET film layer that lies in between two bonding glue films 1 can with electronic component direct contact, 1 its electronic component contacts with bonding glue film 1 when having avoided among the prior art full coat or scribbling the bonding glue film entirely, and simultaneously, bonding glue film 1 and electronic component contact when having avoided the heat-seal cause the problem emergence of influence to electronic component.
Furthermore, in this design be equipped with netted fretwork district in the bonding glue layer 1, and the PET thin layer in the fretwork district leaks outward, and this netted fretwork district can reduce the bonding area between bonding glue layer 1 and the carrier band (after bonding glue layer 1 and carrier band bonding area reduce, the bonding force of its bonding glue layer 1 and carrier band should increase), is favorable to the later stage to peel off the lid area from the carrier band.
Further, the thickness of the PET film layer in this embodiment is 16 μm, and the thickness of the polyurethane glue layer is 1g/m2The thickness of the PE mixed layer is 30 mu m; the thickness of the adhesive layer is 0.5g/m2。
The bonding glue film includes: 80 parts of hydrophilic TPU particles, 3 parts of modified polyester, 0.1 part of antioxidant, 0.3 part of ultraviolet absorbent, 3 parts of inorganic silicon compound, 1 part of coupling agent, 5 parts of tackifying assistant, 6 parts of propyl benzene emulsion, 3 parts of silicon dioxide particles and 35 parts of deionized water, wherein the particle size of the silicon dioxide is 0.01 mu m.
In this embodiment, it can avoid bonding the glue film fully to glue or fully to glue with the carrier band bonding in-process to increase the silica granule in the bonding glue film, simultaneously, because silica granule can not directly bond with the carrier band, also the silica granule only exists as middle separator between its cover tape and carrier band, consequently, when peeling off cover tape and carrier band, be of value to peeling off the cover tape from the carrier band, simultaneously, avoided cover tape and carrier band to peel off the fracture phenomenon emergence when taking place on electronic component equipment.
In this embodiment, the PE mixing layer is composed of a composite layer, a carrier layer, and a heat seal layer, which are sequentially disposed, the composite layer is attached to the polyurethane glue layer, and the heat seal layer is attached to the adhesive layer; the composite layer described above comprises, in parts by weight, 65 parts of LLDPE, 23 parts of MLDPE; the bearing layer comprises 25 parts of MLDPE, 18 parts of LDPE, 36 parts of POE and 6 parts of SEBS; the heat seal layer comprises 43 parts of SEBS, 2 parts of MLDPE, 11 parts of naphthenic oil, 11 parts of SEPS, 6 parts of EMA and 2 parts of ATO.
Through the use of the bearing layer, the PE mixing layer can keep enough adhesive force by the bearing layer, and the PE mixing layer and the adhesive layer can keep certain kneadable binding force.
The details which are not described above in this embodiment are all the prior art in the field, and are not described again.
Embodiment 2, the same as embodiment 1 will not be described again, but the difference is:
in the design, the thickness of the PET film layer is 18 mu m, and the thickness of the polyurethane glue layer is 3g/m2The thickness of the PE mixed layer is 45 μm; the thickness of the adhesive layer is 2.0g/m2。
The bonding glue film includes: 85 parts of hydrophilic TPU particles, 5 parts of modified polyester, 0.2 part of antioxidant, 0.5 part of ultraviolet absorbent, 4 parts of inorganic silicon compound, 2 parts of coupling agent, 7 parts of tackifying assistant, 8 parts of propyl benzene emulsion, 5 parts of silicon dioxide particles and 65 parts of deionized water.
The particle size of the silica was 0.06. mu.m.
in the design, the thickness of the PET film layer is 17 mu m, and the thickness of the polyurethane glue layer is 2g/m2The thickness of the PE mixed layer is 40 mu m; the thickness of the adhesive layer is 1.0g/m2。
The bonding glue film includes: 83 parts of hydrophilic TPU particles, 4 parts of modified polyester, 0.15 part of antioxidant, 0.4 part of ultraviolet absorbent, 3.5 parts of inorganic silicon compound, 1.5 parts of coupling agent, 6 parts of tackifying assistant, 6-8 parts of propyl benzene emulsion, 4 parts of silicon dioxide particles and 45 parts of deionized water.
The particle size of the silica was 0.04. mu.m.
Embodiment 4, the same as embodiment 1 will not be described again, but the difference is that:
in the design, the thickness of the PET film layer is 17 mu m, and the thickness of the polyurethane glue layer is 2g/m2The thickness of the PE mixed layer is 35 mu m; the thickness of the adhesive layer is 1.5g/m2。
The bonding glue film includes: 82 parts of hydrophilic TPU particles, 3 parts of modified polyester, 0.16 part of antioxidant, 0.3 part of ultraviolet absorbent, 4 parts of inorganic silicon compound, 1 part of coupling agent, 5 parts of tackifying assistant, 8 parts of propyl benzene emulsion, 5 parts of silicon dioxide particles and 50 parts of deionized water.
The particle size of the silica is 0.05 μm.
Embodiment 5, this embodiment discloses a coating roll 5 of preparing above-mentioned lid area, includes the roll body, be equipped with the cyclic annular dull polish line or the netted line 8 that a plurality of interval set up and encircle the roll body setting on the roll body, cyclic annular dull polish line can form dull polish form's line on the bonding glue layer, and netted line 8 then can form on the bonding glue layer netted fretwork district.
Further, be the plain noodles between the roll body between two adjacent cyclic annular dull polish lines or the reticulation line in this implementation, and cyclic annular dull polish line or reticulation line protrusion roll body plain noodles 0.01mm-0.06mm, bonding glue is located cyclic annular dull polish line or reticulation line and shifts to the formation on the PE mixes the layer through cyclic annular dull polish line or reticulation line during the coating bonding glue, and at this moment, the roll body plain noodles between its two adjacent cyclic annular dull polish lines or the reticulation line forms the outer drain region 7 of PET film layer between two banding bonding glue layers.
Furthermore, in the design, a plurality of pores 9 are formed on the smooth surface wall of the roller body between two adjacent annular frosted grains or reticular grains, the smaller the pore diameter of the pores 9 is, the better the pore diameter of the pores 9 is, particularly, the pore diameter of the pores 9 is lower than 0.3mm, the pores are communicated with a cavity 10 in the roller body, the cavity 10 is communicated with an external air source through a rotary joint at the end part of the roller body (the prior art), when the structure is used, the air source with high air pressure or air pressure enters the cavity in the roller body through the rotary joint, and then other gases are sprayed out through the pores 9 to form an air isolating layer on the smooth side wall of the roller body between two adjacent annular frosted grains or reticular grains, so that glue can be prevented from being adhered on the smooth side wall of the roller body between two adjacent annular frosted grains or reticular grains when the glue on the annular frosted grains or the reticular grains is transferred on the cover belt, and a PET (polyethylene terephthalate The thin film layer leaks outside, which is beneficial to coating.
Embodiment 6, this example discloses a method for producing a cover tape, which includes the following steps:
a, preparing raw materials.
b, preparing a PE mixing layer, wherein the PE mixing layer is formed by film blowing through a three-layer film blowing machine; specifically, the method comprises the following steps:
(1) mixing LLDPE and MLDPE of a composite layer and then putting the mixture into a first feed hopper in a three-layer film blowing machine; mixing the MLDPE, the LDPE, the POE and the SEBS of the bearing layer, and then putting the mixture into a second feed hopper in a three-layer film blowing machine; and mixing the SEBS, the MLDPE, the naphthenic oil, the SEPS, the EMA and the ATO in the heat sealing layer, and putting the mixture into a third feeding hopper in a three-layer film blowing machine.
(2) Setting the temperature of a first double-screw mixing roll in the three-layer film blowing machine to be 128 ℃ and the pressure to be 11 mpa; the temperature of the second double-screw mixing roll in the three-layer film blowing machine is set as follows: 155 ℃ and a pressure of 14 mpa; setting the temperature of a third double-screw mixing roll in the three-layer film blowing machine as follows: 145 ℃ and a pressure of 6 mpa.
(3) Controlling a first double-screw mixing roll, a second double-screw mixing roll and a third double-screw mixing roll in the three-layer film blowing machine to feed simultaneously; then, the PE mixed layer required by the invention can be formed by the three-layer film blowing machine.
compounding the PET film layer, the polyurethane glue layer, the PE mixing layer and the adhesive layer; use the coating roll of embodiment 5 when coating the adhesive layer, fill into high-pressure gas in the coating roll during the coating, high-pressure gas is gone out and form the gas isolation layer on the roll body surface by a plurality of pore behind the cavity in the coating roll, avoids glue to glue on the smooth lateral wall of roll body between two adjacent cyclic annular dull polish lines or netted line, makes it can form the PET film layer between two banding adhesive layers and leak outward when shifting the viscose on cyclic annular dull polish line or netted line on the lid area.
d, drying, namely drying in an oven at the temperature of 110 ℃ and the pressure of 0.3mpa for 7 seconds.
e, cutting to form a product, and cutting the middle part of the adhesive glue layer to form the cover tape shown in the figures 1 and 2.
Example 7, the same as example 6 will not be repeated, except that:
and d, drying the mixture in an oven at 125 ℃ and 0.5mpa for 10 seconds.
Embodiment 8, the same as embodiment 6 will not be described again, but the difference is that:
and d, drying the mixture in an oven at 115 ℃ and 0.4mpa for 8 seconds.
The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.
Claims (9)
1. The utility model provides a cover tape, mixes layer and bonding glue film, its characterized in that including PET thin layer, polyurethane glue layer, the PE that sets gradually: the PET thin layer and the PE mixing layer are same in width and the PET thin layer and the PE mixing layer are compounded through the polyurethane glue layer, the bonding glue layer is located on the outer surface of the PE mixing layer, the bonding glue layer is in two bands and located on the two sides of the PE mixing layer respectively, and the PET thin layer between the two band-shaped bonding glue layers leaks outwards and is not coated with the bonding glue layer.
2. The cover tape of claim 1, wherein: the bonding glue layer is internally provided with a reticular hollow area, and the PET film layer in the hollow area leaks outwards.
3. The cover tape of claim 1, wherein: the thickness of the PET film layer is 16-18 mu m, and the thickness of the polyurethane glue layer is 1-3 g/m2The thickness of the PE mixed layer is 30-45 μm; the thickness of the adhesive layer is 0.5-2.0 g/m2。
4. The cover tape of claim 1, wherein: the bonding glue film includes: 80-85 parts of hydrophilic TPU particles, 3-5 parts of modified polyester, 0.1-0.2 part of antioxidant, 0.3-0.5 part of ultraviolet absorbent, 3-4 parts of inorganic silicon compound, 1-2 parts of coupling agent, 5-7 parts of tackifying assistant, 6-8 parts of propyl benzene emulsion, 3-5 parts of silicon dioxide particles and 35-65 parts of deionized water.
5. The cover tape of claim 4, wherein: the particle size of the silicon dioxide is 0.01-0.06 mu m.
6. The utility model provides a preparation cover area's coating roll, includes the roll body, its characterized in that, be equipped with the cyclic annular dull polish line or the reticulate texture that a plurality of interval set up and encircle the roll body setting on the roll body, be the plain noodles between the roll body between two adjacent cyclic annular dull polish lines or reticulate texture, and cyclic annular dull polish line or reticulate texture protrusion roll body plain noodles 0.01mm-0.06mm, bonding glue is located cyclic annular dull polish line or reticulate texture and forms on going up and transferring to the PE mixes the layer through cyclic annular dull polish line or reticulate texture during the coating bonding glue layer.
7. An applicator roll for making cover tape according to claim 6, wherein: a plurality of pores have been seted up on the smooth face wall of roll body between two adjacent cyclic annular dull polish lines or the netted line, pore and the interior cavity intercommunication of roll body, cavity and outside air supply intercommunication.
8. A method for producing a cover tape, comprising the steps of: a, preparing raw materials; b, preparing a PE mixing layer, wherein the PE mixing layer is formed by film blowing through a three-layer film blowing machine; compounding the PET film layer, the polyurethane glue layer, the PE mixing layer and the adhesive layer; d, drying; e, cutting the mixture into products;
the method is characterized in that:
in the step c, the coating roller according to claim 5 is used for coating the adhesive layer, high-pressure gas is filled into the coating roller during coating, the high-pressure gas passes through the cavity in the coating roller and then is discharged from the plurality of pores, and a gas isolation layer is formed on the surface of the roller body;
in step d, the cover tape of claim 1 is slit from the middle of the adhesive layer.
9. The method of producing a cover tape of claim 6, wherein: and d, drying the mixture in an oven at the temperature of between 110 and 125 ℃ and under the pressure of between 0.3 and 0.5mpa for 7 to 10 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010632733.2A CN111876086A (en) | 2020-07-02 | 2020-07-02 | Cover tape, coating roller for preparing cover tape, and production method of cover tape |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010632733.2A CN111876086A (en) | 2020-07-02 | 2020-07-02 | Cover tape, coating roller for preparing cover tape, and production method of cover tape |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001015820A1 (en) * | 1999-08-31 | 2001-03-08 | 3M Innovative Properties Company | Adhesive coating method and adhesive coated article |
| WO2010044201A1 (en) * | 2008-10-17 | 2010-04-22 | 株式会社ニトムズ | Gravure roll for application of pressure-sensitive adhesive and process for producing pressure-sensitive adhesive tape |
| CN101857784A (en) * | 2010-04-26 | 2010-10-13 | 屠尖兵 | Double-sided tape and gluing device of gluing layer coater thereof |
| CN204569801U (en) * | 2015-03-31 | 2015-08-19 | 常熟市新明宇塑胶有限公司 | A kind of band glue is wound around film and anilox roll thereof |
| CN106079772A (en) * | 2016-06-17 | 2016-11-09 | 江西美源电子材料有限公司 | Cover strip and production method thereof |
| CN106216164A (en) * | 2016-08-29 | 2016-12-14 | 贵州苗仁堂制药有限责任公司 | A kind of applicator roll |
| CN106891613A (en) * | 2017-03-30 | 2017-06-27 | 上海出版印刷高等专科学校 | A kind of anti-set-off air dancing roll |
| CN207388503U (en) * | 2017-09-26 | 2018-05-22 | 深圳市日博电子科技有限公司 | A kind of waterproof ventilating type composite material |
| CN110039887A (en) * | 2019-04-19 | 2019-07-23 | 夏领兵 | A kind of printer roller |
| CN110258060A (en) * | 2019-07-19 | 2019-09-20 | 李雅 | A kind of continuous dyeing equipment |
| CN209766570U (en) * | 2019-06-24 | 2019-12-10 | 广东利元亨智能装备股份有限公司 | Roller device |
-
2020
- 2020-07-02 CN CN202010632733.2A patent/CN111876086A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001015820A1 (en) * | 1999-08-31 | 2001-03-08 | 3M Innovative Properties Company | Adhesive coating method and adhesive coated article |
| WO2010044201A1 (en) * | 2008-10-17 | 2010-04-22 | 株式会社ニトムズ | Gravure roll for application of pressure-sensitive adhesive and process for producing pressure-sensitive adhesive tape |
| CN101857784A (en) * | 2010-04-26 | 2010-10-13 | 屠尖兵 | Double-sided tape and gluing device of gluing layer coater thereof |
| CN204569801U (en) * | 2015-03-31 | 2015-08-19 | 常熟市新明宇塑胶有限公司 | A kind of band glue is wound around film and anilox roll thereof |
| CN106079772A (en) * | 2016-06-17 | 2016-11-09 | 江西美源电子材料有限公司 | Cover strip and production method thereof |
| CN106216164A (en) * | 2016-08-29 | 2016-12-14 | 贵州苗仁堂制药有限责任公司 | A kind of applicator roll |
| CN106891613A (en) * | 2017-03-30 | 2017-06-27 | 上海出版印刷高等专科学校 | A kind of anti-set-off air dancing roll |
| CN207388503U (en) * | 2017-09-26 | 2018-05-22 | 深圳市日博电子科技有限公司 | A kind of waterproof ventilating type composite material |
| CN110039887A (en) * | 2019-04-19 | 2019-07-23 | 夏领兵 | A kind of printer roller |
| CN209766570U (en) * | 2019-06-24 | 2019-12-10 | 广东利元亨智能装备股份有限公司 | Roller device |
| CN110258060A (en) * | 2019-07-19 | 2019-09-20 | 李雅 | A kind of continuous dyeing equipment |
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