CN113956562A - Electronic component carrier tape sheet and preparation method thereof - Google Patents
Electronic component carrier tape sheet and preparation method thereof Download PDFInfo
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- CN113956562A CN113956562A CN202111505120.3A CN202111505120A CN113956562A CN 113956562 A CN113956562 A CN 113956562A CN 202111505120 A CN202111505120 A CN 202111505120A CN 113956562 A CN113956562 A CN 113956562A
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- carrier tape
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- component carrier
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- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000010410 layer Substances 0.000 claims abstract description 31
- 239000002344 surface layer Substances 0.000 claims abstract description 30
- 238000001035 drying Methods 0.000 claims abstract description 29
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 29
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 29
- 239000011347 resin Substances 0.000 claims abstract description 29
- 229920005989 resin Polymers 0.000 claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 28
- 239000004609 Impact Modifier Substances 0.000 claims abstract description 22
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 22
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 22
- 239000003365 glass fiber Substances 0.000 claims abstract description 22
- 239000002274 desiccant Substances 0.000 claims abstract description 20
- 239000000203 mixture Substances 0.000 claims abstract description 20
- 239000000314 lubricant Substances 0.000 claims abstract description 19
- 239000004014 plasticizer Substances 0.000 claims abstract description 19
- 239000012760 heat stabilizer Substances 0.000 claims abstract description 18
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 16
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 8
- 239000011787 zinc oxide Substances 0.000 claims abstract description 8
- 239000000872 buffer Substances 0.000 claims abstract description 5
- 239000002245 particle Substances 0.000 claims description 46
- -1 polyethylene Polymers 0.000 claims description 20
- 239000006172 buffering agent Substances 0.000 claims description 14
- 239000002861 polymer material Substances 0.000 claims description 14
- 238000001125 extrusion Methods 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 10
- 239000004800 polyvinyl chloride Substances 0.000 claims description 10
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 10
- 239000002131 composite material Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 5
- 239000004677 Nylon Substances 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 5
- 239000004743 Polypropylene Substances 0.000 claims description 5
- 239000004793 Polystyrene Substances 0.000 claims description 5
- 229920001778 nylon Polymers 0.000 claims description 5
- 229920001568 phenolic resin Polymers 0.000 claims description 5
- 239000005011 phenolic resin Substances 0.000 claims description 5
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 5
- 229920000515 polycarbonate Polymers 0.000 claims description 5
- 239000004417 polycarbonate Substances 0.000 claims description 5
- 229920000573 polyethylene Polymers 0.000 claims description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 5
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 5
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 5
- 229920001155 polypropylene Polymers 0.000 claims description 5
- 229920002223 polystyrene Polymers 0.000 claims description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 5
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 5
- 229920002635 polyurethane Polymers 0.000 claims description 5
- 239000004814 polyurethane Substances 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims 6
- 238000001266 bandaging Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 235000006708 antioxidants Nutrition 0.000 description 16
- 238000005303 weighing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000003017 thermal stabilizer Substances 0.000 description 1
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- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
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- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
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- C08J2325/02—Homopolymers or copolymers of hydrocarbons
- C08J2325/04—Homopolymers or copolymers of styrene
- C08J2325/06—Polystyrene
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
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- C08J2327/02—Characterised by the use of 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 a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use of 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 a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08J2327/18—Homopolymers or copolymers of tetrafluoroethylene
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
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- C08J2427/04—Characterised by the use of 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 a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2427/06—Homopolymers or copolymers of vinyl chloride
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- C08J2461/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
- C08J2461/04—Condensation polymers of aldehydes or ketones with phenols only
- C08J2461/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
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Abstract
The invention discloses an electronic component carrier tape sheet and a preparation method thereof, wherein the formula comprises the following components: macromolecular material, resin carrier, buffer, heat stabilizer, impact modifier, metal oxide, lubricant, antioxidant, drier, AR glass fiber and plasticizer, the step includes: step one, preparing materials; step two, granulating the middle layer; step three, granulating the surface layer; step four, granulating and drying; step five, extruding the sheet; compared with the existing electronic component carrier tape sheet, the electronic component carrier tape sheet has the advantages that the antioxidant and the drying agent are added, so that the influence on the use of the carrier tape caused by long-time storage in a humid environment is prevented; according to the invention, by adding the mixture of zinc oxide and titanium dioxide, the problem of carrier band aging caused by high-intensity ultraviolet rays is avoided to a great extent, and the service life of the carrier band is prolonged; by adding the AR glass fiber and the impact modifier, the tensile strength and the impact strength of the carrier tape are enhanced.
Description
Technical Field
The invention relates to the technical field of carrier tape sheets, in particular to an electronic component carrier tape sheet and a preparation method thereof.
Background
The electronic component carrier tape is a package for electronic products, and is matched with other parts, such as a cover tape and the like, so that electronic components, such as a resistor, a capacitor, a diode and the like, are stored and protected well, and the electronic products are protected from being damaged or polluted; the existing electronic component carrier tape sheet is exposed to the sun for a long time, and the service life of the carrier tape is easily shortened by high-intensity ultraviolet rays; the existing electronic component carrier tape sheet has low tensile strength and the impact strength needs to be improved.
Disclosure of Invention
The invention aims to provide an electronic component carrier tape sheet and a preparation method thereof, which aim to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the electronic component carrier tape sheet comprises the following components in formula: the composite material comprises a high polymer material, a resin carrier, a buffering agent, a heat stabilizer, an impact modifier, a metal oxide, a lubricant, an antioxidant, a drying agent, AR glass fiber and a plasticizer, wherein the mass percentages of the components are as follows: 40-52% of high molecular material, 35-40% of resin carrier, 2-6% of buffering agent, 2.3-4% of heat stabilizer, 2-4.5% of impact modifier, 2.5-4.7% of metal oxide, 1-2% of lubricant, 0.8-1.8% of antioxidant, 0.5-1.2% of drying agent, 0.4-1% of AR glass fiber and 0.2-0.8% of plasticizer.
Preferably, the mass percentage of each component is as follows: 45% of a high polymer material, 36% of a resin carrier, 4% of a buffering agent, 3% of a heat stabilizer, 3.5% of an impact modifier, 4.5% of a metal oxide, 1% of a lubricant, 1.2% of an antioxidant, 0.8% of a drying agent, 0.4% of AR glass fiber and 0.6% of a plasticizer.
A preparation method of an electronic component carrier tape sheet comprises the following steps of preparing materials; step two, granulating the middle layer; step three, granulating the surface layer; step four, granulating and drying; step five, extruding the sheet;
in the first step, the components in percentage by mass are as follows: 40-52% of high molecular material, 35-40% of resin carrier, 2-6% of buffering agent, 2.3-4% of heat stabilizer, 2-4.5% of impact modifier, 2.5-4.7% of metal oxide, 1-2% of lubricant, 0.8-1.8% of antioxidant, 0.5-1.2% of drying agent, 0.4-1% of AR glass fiber and 0.2-0.8% of plasticizer, and the components are weighed according to the sum of the mass percentages of 1;
in the second step, all the materials except the metal oxide in the first step are taken and divided into two parts to be put into a high-speed mixer for stirring and mixing, and then the uniformly mixed mixture is put into a double-screw granulator to be extruded into sheet middle-layer particles;
in the third step, all the rest materials in the first step are put into a high-speed mixer to be stirred and mixed, and then the uniformly mixed mixture is put into a double-screw granulator to be extruded into sheet surface particles;
in the fourth step, the prepared sheet material middle-layer particles and surface-layer particles are respectively sent into a drying oven to be dried in different degrees, and dried particles are obtained after the drying;
and in the fifth step, the dried particles obtained in the fourth step are respectively put into an extruder, and the three-layer composite sheet is extruded through the same die.
Preferably, in the first step, the polymer material is a mixture of polyethylene, polypropylene, polystyrene, polymethyl methacrylate, polyvinyl chloride, nylon, polycarbonate, polyurethane, polytetrafluoroethylene, and polyethylene terephthalate.
Preferably, in the first step, the resin carrier is one of phenolic resin and polyvinyl chloride resin, and the metal oxide is a mixture of zinc oxide and titanium dioxide.
Preferably, in the second step, the rotation speed of the main machine of the double-screw granulator is 80-200r/min, the rotation speed of the feeding machine is 40-90r/min, and the temperature is controlled to be 200-.
Preferably, in the third step, the rotation speed of the main machine of the double-screw granulator is 100-160r/min, the rotation speed of the feeding machine is 40-80r/min, and the temperature is controlled at 220-250 ℃.
Preferably, in the fourth step, the drying temperature of the middle layer particles is 70-90 ℃ for 1-2h, and the drying temperature of the surface layer particles is 80-90 ℃ for 1-2 h.
Preferably, in the fifth step, the extrusion temperature of the middle layer is 200-240 ℃, and the extrusion temperature of the surface layer is 180-220 ℃.
Compared with the prior art, the invention has the beneficial effects that: compared with the existing electronic component carrier tape sheet, the electronic component carrier tape sheet has the advantages that the antioxidant and the drying agent are added, so that the influence on the use of the carrier tape caused by long-time storage in a humid environment is prevented; according to the invention, by adding the mixture of zinc oxide and titanium dioxide, the problem of carrier band aging caused by high-intensity ultraviolet rays is avoided to a great extent, and the service life of the carrier band is prolonged; by adding the AR glass fiber and the impact modifier, the tensile strength and the impact strength of the carrier tape are enhanced.
Drawings
FIG. 1 is a process flow diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a technical solution provided by the present invention:
example 1:
the electronic component carrier tape sheet comprises the following components in formula: the composite material comprises a high polymer material, a resin carrier, a buffering agent, a heat stabilizer, an impact modifier, a metal oxide, a lubricant, an antioxidant, a drying agent, AR glass fiber and a plasticizer, wherein the mass percentages of the components are as follows: 45% of a high polymer material, 36% of a resin carrier, 4% of a buffering agent, 3% of a heat stabilizer, 3.5% of an impact modifier, 4.5% of a metal oxide, 1% of a lubricant, 1.2% of an antioxidant, 0.8% of a drying agent, 0.4% of AR glass fiber and 0.6% of a plasticizer.
A preparation method of an electronic component carrier tape sheet comprises the following steps of preparing materials; step two, granulating the middle layer; step three, granulating the surface layer; step four, granulating and drying; step five, extruding the sheet;
in the first step, the components in percentage by mass are as follows: 45% of high polymer material, 36% of resin carrier, 4% of buffering agent, 3% of heat stabilizer, 3.5% of impact modifier, 4.5% of metal oxide, 1% of lubricant, 1.2% of antioxidant, 0.8% of drying agent, 0.4% of AR glass fiber and 0.6% of plasticizer, and weighing according to the mass percentage sum of 1, wherein the high polymer material is prepared by mixing polyethylene, polypropylene, polystyrene, polymethyl methacrylate, polyvinyl chloride, nylon, polycarbonate, polyurethane, polytetrafluoroethylene and polyethylene terephthalate, the resin carrier is prepared by mixing one of phenolic resin and polyvinyl chloride resin, and the metal oxide is a mixture of zinc oxide and titanium dioxide;
in the second step, all the materials except the metal oxide in the first step are taken and divided into two parts to be put into a high-speed mixer for stirring and mixing, then the uniformly mixed mixture is put into a double-screw granulator to be extruded into sheet middle-layer particles, the rotating speed of a main machine of the double-screw granulator is 180r/min, the rotating speed of a feeding machine is 50r/min, and the temperature is controlled to be 200 ℃;
in the third step, all the rest materials in the first step are put into a high-speed mixer to be stirred and mixed, and then the uniformly mixed mixture is put into a double-screw granulator to be extruded into particles on the surface layer of the sheet, wherein the rotating speed of a main machine of the double-screw granulator is 160r/min, the rotating speed of a feeding machine is 80r/min, and the temperature is controlled to be 230 ℃;
respectively feeding the prepared middle-layer particles and the surface-layer particles of the sheet into an oven, and drying to different degrees to obtain dried particles, wherein the drying temperature of the middle-layer particles is 80 ℃ and the drying time of the surface-layer particles is 1 hour, and the drying temperature of the surface-layer particles is 90 ℃ and the drying time of the surface-layer particles is 1 hour;
and in the fifth step, the dried particles obtained in the fourth step are respectively put into an extruder and extruded into three-layer composite sheets through the same die, wherein the extrusion temperature of the middle layer is 200 ℃, and the extrusion temperature of the surface layer is 220 ℃.
Example 2:
the electronic component carrier tape sheet comprises the following components in formula: the composite material comprises a high polymer material, a resin carrier, a buffering agent, a heat stabilizer, an impact modifier, a metal oxide, a lubricant, an antioxidant, a drying agent, AR glass fiber and a plasticizer, wherein the mass percentages of the components are as follows: 42% of a high molecular material, 40% of a resin carrier, 3% of a buffer, 4% of a heat stabilizer, 2.1% of an impact modifier, 4% of a metal oxide, 1.5% of a lubricant, 0.8% of an antioxidant, 1.1% of a drying agent, 1% of AR glass fibers and 0.5% of a plasticizer.
A preparation method of an electronic component carrier tape sheet comprises the following steps of preparing materials; step two, granulating the middle layer; step three, granulating the surface layer; step four, granulating and drying; step five, extruding the sheet;
in the first step, the components in percentage by mass are as follows: 42% of a high polymer material, 40% of a resin carrier, 3% of a buffering agent, 4% of a heat stabilizer, 2.1% of an impact modifier, 4% of a metal oxide, 1.5% of a lubricant, 0.8% of an antioxidant, 1.1% of a drying agent, 1% of AR glass fiber and 0.5% of a plasticizer, wherein the high polymer material is prepared by mixing polyethylene, polypropylene, polystyrene, polymethyl methacrylate, polyvinyl chloride, nylon, polycarbonate, polyurethane, polytetrafluoroethylene and polyethylene terephthalate, the resin carrier is one of phenolic resin and polyvinyl chloride resin, and the metal oxide is a mixture of zinc oxide and titanium dioxide;
in the second step, all the materials except the metal oxide in the first step are taken and divided into two parts to be put into a high-speed mixer for stirring and mixing, then the uniformly mixed mixture is put into a double-screw granulator to be extruded into sheet middle-layer particles, the rotating speed of a main machine of the double-screw granulator is 180r/min, the rotating speed of a feeding machine is 50r/min, and the temperature is controlled to be 200 ℃;
in the third step, all the rest materials in the first step are put into a high-speed mixer to be stirred and mixed, and then the uniformly mixed mixture is put into a double-screw granulator to be extruded into particles on the surface layer of the sheet, wherein the rotating speed of a main machine of the double-screw granulator is 160r/min, the rotating speed of a feeding machine is 80r/min, and the temperature is controlled to be 230 ℃;
respectively feeding the prepared middle-layer particles and the surface-layer particles of the sheet into an oven, and drying to different degrees to obtain dried particles, wherein the drying temperature of the middle-layer particles is 80 ℃ and the drying time of the surface-layer particles is 1 hour, and the drying temperature of the surface-layer particles is 90 ℃ and the drying time of the surface-layer particles is 1 hour;
and in the fifth step, the dried particles obtained in the fourth step are respectively put into an extruder and extruded into three-layer composite sheets through the same die, wherein the extrusion temperature of the middle layer is 200 ℃, and the extrusion temperature of the surface layer is 220 ℃.
Example 3:
the electronic component carrier tape sheet comprises the following components in formula: the composite material comprises a high polymer material, a resin carrier, a buffering agent, a heat stabilizer, an impact modifier, a metal oxide, a lubricant, an antioxidant, a drying agent, AR glass fiber and a plasticizer, wherein the mass percentages of the components are as follows: 40% of a high molecular material, 38% of a resin carrier, 5% of a buffer, 4% of a heat stabilizer, 4.2% of an impact modifier, 3.5% of a metal oxide, 2% of a lubricant, 1.5% of an antioxidant, 0.6% of a drying agent, 0.5% of AR glass fibers and 0.7% of a plasticizer.
A preparation method of an electronic component carrier tape sheet comprises the following steps of preparing materials; step two, granulating the middle layer; step three, granulating the surface layer; step four, granulating and drying; step five, extruding the sheet;
in the first step, the components in percentage by mass are as follows: 40% of high polymer material, 38% of resin carrier, 5% of buffering agent, 4% of heat stabilizer, 4.2% of impact modifier, 3.5% of metal oxide, 2% of lubricant, 1.5% of antioxidant, 0.6% of drying agent, 0.5% of AR glass fiber and 0.7% of plasticizer, and weighing according to the mass percentage sum of 1, wherein the high polymer material is prepared by mixing polyethylene, polypropylene, polystyrene, polymethyl methacrylate, polyvinyl chloride, nylon, polycarbonate, polyurethane, polytetrafluoroethylene and polyethylene terephthalate, the resin carrier is prepared by mixing one of phenolic resin and polyvinyl chloride resin, and the metal oxide is a mixture of zinc oxide and titanium dioxide;
in the second step, all the materials except the metal oxide in the first step are taken and divided into two parts to be put into a high-speed mixer for stirring and mixing, then the uniformly mixed mixture is put into a double-screw granulator to be extruded into sheet middle-layer particles, the rotating speed of a main machine of the double-screw granulator is 180r/min, the rotating speed of a feeding machine is 50r/min, and the temperature is controlled to be 200 ℃;
in the third step, all the rest materials in the first step are put into a high-speed mixer to be stirred and mixed, and then the uniformly mixed mixture is put into a double-screw granulator to be extruded into particles on the surface layer of the sheet, wherein the rotating speed of a main machine of the double-screw granulator is 160r/min, the rotating speed of a feeding machine is 80r/min, and the temperature is controlled to be 230 ℃;
respectively feeding the prepared middle-layer particles and the surface-layer particles of the sheet into an oven, and drying to different degrees to obtain dried particles, wherein the drying temperature of the middle-layer particles is 80 ℃ and the drying time of the surface-layer particles is 1 hour, and the drying temperature of the surface-layer particles is 90 ℃ and the drying time of the surface-layer particles is 1 hour;
and in the fifth step, the dried particles obtained in the fourth step are respectively put into an extruder and extruded into three-layer composite sheets through the same die, wherein the extrusion temperature of the middle layer is 200 ℃, and the extrusion temperature of the surface layer is 220 ℃.
The properties of the examples are compared in the following table:
| example 1 | Example 2 | Example 3 | |
| High molecular material/%) | 45 | 42 | 40 |
| Resin carrier/%) | 36 | 40 | 38 |
| Buffer/%) | 4 | 3 | 5 |
| Thermal stabilizer/%) | 3 | 4 | 4 |
| Impact modifier/%) | 3.1 | 2.1 | 4.2 |
| Metal oxide/%) | 4.5 | 4 | 3.5 |
| Lubricant/%) | 1 | 1.5 | 2 |
| Anti-oxidant/%) | 1.2 | 0.8 | 1.5 |
| Drying agent/%) | 0.8 | 1.1 | 0.6 |
| AR glass fiber/%) | 0.8 | 1 | 0.5 |
| Plasticizer/%) | 0.6 | 0.5 | 0.7 |
Based on the above, the antioxidant and the drying agent added in the invention solve the problem that the use is influenced by the oxidation of the carrier tape caused by a humid storage environment; the mixture of zinc oxide and titanium dioxide is added, so that the problem of reduction of the service life of the carrier tape caused by long-time ultraviolet irradiation is solved; according to the invention, the mechanical strength of the carrier tape is increased by adding the impact modifier and the AR glass fiber, so that the problems of insufficient stretch resistance and impact resistance are avoided.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The electronic component carrier tape sheet comprises the following components in formula: macromolecular material, resin carrier, buffer, heat stabilizer, impact modifier, metal oxide, lubricant, antioxidant, drier, AR glass fiber and plasticizer, its characterized in that: the weight percentage of each component is as follows: 40-52% of high molecular material, 35-40% of resin carrier, 2-6% of buffering agent, 2.3-4% of heat stabilizer, 2-4.5% of impact modifier, 2.5-4.7% of metal oxide, 1-2% of lubricant, 0.8-1.8% of antioxidant, 0.5-1.2% of drying agent, 0.4-1% of AR glass fiber and 0.2-0.8% of plasticizer.
2. The electronic component carrier tape sheet as claimed in claim 1, wherein: the weight percentage of each component is as follows: 45% of a high polymer material, 36% of a resin carrier, 4% of a buffering agent, 3% of a heat stabilizer, 3.5% of an impact modifier, 4.5% of a metal oxide, 1% of a lubricant, 1.2% of an antioxidant, 0.8% of a drying agent, 0.4% of AR glass fiber and 0.6% of a plasticizer.
3. A preparation method of an electronic component carrier tape sheet comprises the following steps of preparing materials; step two, granulating the middle layer; step three, granulating the surface layer; step four, granulating and drying; step five, extruding the sheet; the method is characterized in that:
in the first step, the components in percentage by mass are as follows: 40-52% of high molecular material, 35-40% of resin carrier, 2-6% of buffering agent, 2.3-4% of heat stabilizer, 2-4.5% of impact modifier, 2.5-4.7% of metal oxide, 1-2% of lubricant, 0.8-1.8% of antioxidant, 0.5-1.2% of drying agent, 0.4-1% of AR glass fiber and 0.2-0.8% of plasticizer, and the components are weighed according to the sum of the mass percentages of 1;
in the second step, all the materials except the metal oxide in the first step are taken and divided into two parts to be put into a high-speed mixer for stirring and mixing, and then the uniformly mixed mixture is put into a double-screw granulator to be extruded into sheet middle-layer particles;
in the third step, all the rest materials in the first step are put into a high-speed mixer to be stirred and mixed, and then the uniformly mixed mixture is put into a double-screw granulator to be extruded into sheet surface particles;
in the fourth step, the prepared sheet material middle-layer particles and surface-layer particles are respectively sent into a drying oven to be dried in different degrees, and dried particles are obtained after the drying;
and in the fifth step, the dried particles obtained in the fourth step are respectively put into an extruder, and the three-layer composite sheet is extruded through the same die.
4. The method for manufacturing an electronic component carrier tape sheet as claimed in claim 3, wherein: in the first step, the high molecular material is selected from a mixture of polyethylene, polypropylene, polystyrene, polymethyl methacrylate, polyvinyl chloride, nylon, polycarbonate, polyurethane, polytetrafluoroethylene and polyethylene terephthalate.
5. The method for manufacturing an electronic component carrier tape sheet as claimed in claim 3, wherein: in the first step, the resin carrier is one of phenolic resin and polyvinyl chloride resin, and the metal oxide is a mixture of zinc oxide and titanium dioxide.
6. The method for manufacturing an electronic component carrier tape sheet as claimed in claim 3, wherein: in the second step, the rotation speed of the main machine of the double-screw granulator is 80-200r/min, the rotation speed of the feeder is 40-90r/min, and the temperature is controlled at 200-240 ℃.
7. The method for manufacturing an electronic component carrier tape sheet as claimed in claim 3, wherein: in the third step, the main machine rotation speed of the double-screw granulator is 160-fold and 160-fold, the feeding machine rotation speed is 40-80r/min, and the temperature is controlled at 220-fold and 250 ℃.
8. The method for manufacturing an electronic component carrier tape sheet as claimed in claim 3, wherein: in the fourth step, the drying temperature of the middle layer particles is 70-90 ℃ for 1-2h, and the drying temperature of the surface layer particles is 80-90 ℃ for 1-2 h.
9. The method for manufacturing an electronic component carrier tape sheet as claimed in claim 3, wherein: in the fifth step, the extrusion temperature of the middle layer is 200-240 ℃, and the extrusion temperature of the surface layer is 180-220 ℃.
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