WO2019089274A1 - Film composite isolant et composant électrique - Google Patents

Film composite isolant et composant électrique Download PDF

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Publication number
WO2019089274A1
WO2019089274A1 PCT/US2018/057006 US2018057006W WO2019089274A1 WO 2019089274 A1 WO2019089274 A1 WO 2019089274A1 US 2018057006 W US2018057006 W US 2018057006W WO 2019089274 A1 WO2019089274 A1 WO 2019089274A1
Authority
WO
WIPO (PCT)
Prior art keywords
film
flame retardant
layer
insulating composite
electrical component
Prior art date
Application number
PCT/US2018/057006
Other languages
English (en)
Inventor
Chunhua Yang
Hongchuan Liao
Original Assignee
Illinois Tool Works Inc.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from CN201811155929.6A external-priority patent/CN109727732B/zh
Application filed by Illinois Tool Works Inc. filed Critical Illinois Tool Works Inc.
Priority to EP22170193.1A priority Critical patent/EP4053858B1/fr
Priority to EP18797507.3A priority patent/EP3704721B1/fr
Publication of WO2019089274A1 publication Critical patent/WO2019089274A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/29—Protection against damage caused by extremes of temperature or by flame
    • H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B32B27/365—Layered products comprising a layer of synthetic resin comprising polyesters comprising polycarbonates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/02—2 layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/03—3 layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/24—All layers being polymeric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/536—Hardness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/732—Dimensional properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2457/00—Electrical equipment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2457/00—Electrical equipment
    • B32B2457/08—PCBs, i.e. printed circuit boards
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances

Definitions

  • the performance characteristics of the insulating film 300 of FIG. 3 will be described below by Table 2.
  • the upper layer of the film base in Table 2 is a halogen-free flame-retardant PC
  • the intermediate layer is pure PC
  • the lower layer is a halogen-free flame-retardant PC
  • the proportions of the thicknesses of the upper, intermediate and lower layers to the total thickness of the film base are 28%, 44%, and 28%, respectively.
  • the film embodiment 5 in Table 2 has a coating layer coated on the upper surface of the upper film layer, and the coating layer is composed of an acrylate UV lacquer and has a thickness of 5 ⁇ .
  • the insulating composite film embodiment 5 as shown in FIG. 3 of the present application has a thickness of only 0.25 mm, but has puncture resistance performance comparable to that of a single-layer flame retardant PC having a thickness of 0.43 mm, and achieves a flame retardant performance comparable to that of the single-layer flame retardant PC, for example up to UL94 VTM-2 (or V-2) or higher, such as VTM-0 (or V-0) rating. Therefore, the insulating composite film in embodiment 5 is superior in performance and small in thickness and is suitable for electronic elements having both puncture resistance and flame retardant performance requirements. The use of the insulating film can save space for electronic elements and make the design of electronic elements more compact.
  • the outlet of the feed hopper 515 is in communication with a front end inlet 518 of the accommodation cavity 516, a rear end outlet 519 of the accommodation cavity 516 is in communication with the inlet of a pipe 507, and the outlet of the pipe 507 is in communication with a second inlet 520 of the distributor 503.
  • the first inlet 514 of the distributor 503 is in communication with the inlet of a first branch pipe 521 of the distributor and the inlet of a second branch pipe 522, and the second inlet 520 of the distributor 503 is in communication with a part that a third branch pipe 523 of the distributor enters.
  • the third branch pipe 523 is located between the first branch pipe 521 and the second branch pipe 522.
  • the outlet of the first branch pipe 521, the outlet of the second branch pipe 522, and the outlet of the third branch pipe 523 meet at an outlet 524 of the distributor.
  • the outlet 524 of the distributor is connected to the inlet of a pipe 525, and the outlet of the pipe 525 is connected to the inlet of a cavity 526 of a die 504.
  • the cavity 526 of the die 504 has a suitable width and depth such that it is sufficient to accommodate the material conveyed from the distributor pipe, and the cavity 526 is flat such that the material conveyed from the conveyor pipe is mold pressed therein into a flat shape.
  • the mold pressed material is conveyed from the outlet of the cavity 526 to forming roll equipment 505.
  • the forming roll equipment 505 comprises a plurality of forming rolls placed close to each other. The material conveyed from the die cavity to the forming roll equipment is stretched, rolled and cooled between the plurality of forming rolls to achieve a desired thickness and be formed into a film.
  • Such three forming rolls 505.1, 505.2 and 505.3 are shown in FIG. 5. In other embodiments it is also possible to have only two forming rolls or more than two forming rolls.
  • the process for producing the insulating composite film 100 of the present application is as follows:
  • the PC particles containing a flame retardant are added to the feed hopper 509 of the first extruder 501.
  • the rotation of the drive screw 511 of the first extruder 501 pushes the PC particles containing a flame retardant in the feed hopper 509 into the accommodation cavity 510. Since the accommodation cavity 510 is heated, and the PC particles containing a flame retardant enter the accommodation cavity 510 and then generate heat due to friction, they are melted to be in a molten state.
  • the PC containing a flame retardant in a molten state is conveyed toward the rear end outlet 513 of the accommodation cavity 510 under the influence of the propulsive force generated by the rotation of the drive screw 511.
  • the propulsive force generated by the rotation of the driving screw 511 causes the PC containing a flame retardant in a molten state to flow out of the accommodation cavity 510 from the rear end outlet 513 of the melting cavity 510, and then enter the pipe 506 via the inlet of the pipe 506 in communication with the rear end outlet 513 of the accommodation cavity 510.
  • the PC containing a flame retardant in a molten state flows out of the outlet of the pipe 506 to the first inlet 514 of the distributor 503.
  • the PC containing a flame retardant in a molten state is distributed into two streams, the first stream enters the first branch pipe 521 of the distributor to become a first molten flame -retardant PC, and the second stream enters the second branch pipe 522 of the distributor to become a second molten flame-re tardant PC.
  • the propulsive force generated by the rotation of the driving screw 517 causes the PMMA in a molten state to flow out of the accommodation cavity 516 from the rear end outlet 519 of the melting cavity 516, and then enter the pipe 507 via the inlet of the pipe 507 in communication with the rear end outlet 519 of the accommodation cavity 516.
  • the PMMA in a molten state flows out of the outlet of the pipe 507, arrives at the second inlet 520 of the distributor 503, and enters the third branch pipe 523 of the distributor via the second inlet 520. It should be noted that this operation for PMMA particles is performed simultaneously with the above described operation for the PC particles containing a flame retardant.
  • the film 100' continues to be fed between the forming rolls 505.2 and 505.3 for further cooling or annealing to form an insulating composite film 100 in accordance with one embodiment of the present application.
  • the molded flat melt output from the die can be molded by only two forming rolls or more than two forming rolls.
  • FIG. 6 shows a process line 600 of another extrusion molding process for producing an insulating composite film 100 according to an embodiment of the present application.
  • the extrusion molding line 600 comprises a first extruder 601, a second extruder 602, and a third extruder 603.
  • the first extruder 601, the second extruder 602, and the third extruder 603 respectively comprise feed hoppers 611, 612 and 613, accommodation cavities 614, 615 and 616 and drive screws 617, 618 and 619.
  • the feed hoppers of the first and third extruders 611 and 613 are used to contain PC particles containing a flame retardant, and the feed hopper of the second extruder 612 is used to contain PMMA particles.
  • the outlet of the feed hopper 611 of the first extruder 601 is in communication with a front end inlet 620 of the accommodation cavity 614, a rear end outlet 624 of the accommodation cavity 614 is in communication with the inlet of a pipe
  • the accommodation cavities 614, 615 and 616 of the first extruder 601, the second extruder 602, and the third extruder 603 are heated, and the drive screws 617, 618 and 619 of the first extruder 601, the second extruder 602 and the third extruder 603 are rotated.
  • the PC particles containing a flame retardant are added to the feed hopper 611 of the first extruder 601.
  • the rotation of the drive screw 617 of the first extruder 601 pushes the PC particles containing a flame retardant in the feed hopper 611 into the accommodation cavity 614. Since the accommodation cavity 614 is heated, and the PC particles containing a flame retardant enter the accommodation cavity 614 and then generate heat due to friction, they are melted to be in a molten state.
  • the PC containing a flame retardant in a molten state is conveyed toward the rear end outlet 624 of the accommodation cavity 614 under the influence of the propulsive force generated by the rotation of the drive screw 617.
  • PC particles containing a flame retardant are added to the feed hopper 613 of the third extruder 603, the PC particles containing a flame retardant are sent to the third branch pipe 632 of the distributor 604 in the same way as that of the PC particles containing a flame retardant in the feed hopper 611 of the first extruder 601, and the PC containing a flame retardant entering the third branch pipe 632 of the distributor 604 is a second molten flame-re tardant PC.
  • PMMA particles are added to the feed hopper 612 of the second extruder 602, and the PMMA particles are sent to the second branch pipe 631 of the distributor 604 in the same way as that of the PC particles containing a flame retardant in the feed hopper 611 of the first extruder 601.
  • the first molten flame-retardant PC entering the first branch pipe 630 of the distributor 604, the PMMA in a molten state entering the second branch pipe 631 of the distributor 604, and the second molten flame-retardant PC entering the third branch pipe 632 of the distributor meet at the outlet 633 of the distributor, thereby being stacked together, and enter the cavity 635 of the die 605 via a pipe 634 in communication with the outlet 633 of the distributor for compression molding into a flat melt within the cavity 635.
  • the molded flat melt is conveyed to be between the forming rolls 610.1 and 610.2, and subjected to stretching and pressing forces applied thereto by the forming rolls 610.1 and 610.2, so as to form a sheet or film 100' having a predetermined thickness.
  • the film 100' continues to be fed between the forming rolls 610.2 and 610.3 for further cooling or annealing to form an insulating composite film 100 in accordance with one embodiment of the present application.
  • the molded flat melt output from the die can be molded by only two forming rolls or more than two forming rolls.
  • the thickness of the intermediate layer of the product produced by the extrusion molding process has a higher percentage relative to the total thickness of the product.
  • the insulating composite film produced by the extrusion molding process of the present application has a lower ratio of the thickness of the intermediate layer to the total thickness of the insulating composite film, and the thickness of the intermediate layer of the insulating composite film is only 6%-20% of the total thickness of the film.
  • the layers can be uniformly distributed.
  • the insulating composite film of the present application has a small thickness and at the same time has good flame retardancy and puncture resistance, and can be used for a circuit board of a power adapter, so that the power adapter has a more compact structure and a smaller volume. Since the insulating composite film of the present application has excellent puncture resistance, when the power adapter is dropped and impacted by an external force, the film is not easily punctured by the casing or the elements on the circuit board thereby causing a short circuit.
  • FIGS. 7 A and 7B show an assembly structure of an electric component (power adapter or power supply) 700 using the insulating composite film 702 of the present application.
  • a printed circuit board (not shown) is surrounded (or partially surrounded) by the composite insulating film 702 of the present application.
  • Electronic elements and line components (such as resistors, capacitors, inductors, triodes, diodes, wires, and pins) are mounted on the printed circuit board.
  • the insulating composite film 702 of the present application is surrounded by a shielding layer 701 (generally a metal sheet spacer layer) to prevent electromagnetic interference.
  • a shielding layer 701 generally a metal sheet spacer layer
  • the insulating composite film of the present application has a very small thickness, but has excellent puncture resistance performance, and at the same time has flame retardant and insulation performance satisfying requirements, using the insulating composite film of the present application in an electrical component (such as a power adapter or a power supply) makes the structure of the electrical component more compact and improves the space design freedom of the electrical component.
  • an electrical component such as a power adapter or a power supply

Landscapes

  • Laminated Bodies (AREA)
  • Insulating Bodies (AREA)
  • Inorganic Insulating Materials (AREA)
  • Insulated Conductors (AREA)

Abstract

La présente invention concerne un film composite isolant et son procédé de fabrication. Le film composite isolant comprend au moins une couche constituée de matériau PP, PC ou PET, et comprend en outre au moins une autre couche constituée d'une résine thermoplastique de haute dureté ou une couche de revêtement revêtue d'une résine thermodurcissable de haute dureté. Le film composite isolant décrit par la présente invention présente une bonne résistance à la perforation, et des performances ignifuges et d'isolation.
PCT/US2018/057006 2017-10-30 2018-10-23 Film composite isolant et composant électrique WO2019089274A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP22170193.1A EP4053858B1 (fr) 2017-10-30 2018-10-23 Film composite isolant et composant electrique
EP18797507.3A EP3704721B1 (fr) 2017-10-30 2018-10-23 Film composite isolant et composant électrique

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
CN201711042237 2017-10-30
CN201711042237.6 2017-10-30
CN201811155929.6 2018-09-30
CN201811155929.6A CN109727732B (zh) 2017-10-30 2018-09-30 一种绝缘复合薄膜及电器部件
CN201821610783.5 2018-09-30
CN201821610783.5U CN209388796U (zh) 2017-10-30 2018-09-30 一种绝缘复合薄膜和电器部件

Publications (1)

Publication Number Publication Date
WO2019089274A1 true WO2019089274A1 (fr) 2019-05-09

Family

ID=66332267

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2018/057006 WO2019089274A1 (fr) 2017-10-30 2018-10-23 Film composite isolant et composant électrique

Country Status (2)

Country Link
TW (1) TWI783061B (fr)
WO (1) WO2019089274A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0248208A2 (fr) * 1986-06-02 1987-12-09 General Electric Company Matériau isolant électrique, ignifuge
US20110236662A1 (en) * 2009-07-31 2011-09-29 Yutaka Fukuda Insulating film and flat cable using the same
CN103854813A (zh) * 2012-12-03 2014-06-11 伊利诺斯工具制品有限公司 绝缘薄膜及其生产方法
US20150373853A1 (en) * 2013-11-21 2015-12-24 Illinois Tool Works, Inc. Insulation film and method for making insulation film

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113844117A (zh) * 2014-06-23 2021-12-28 伊利诺斯工具制品有限公司 绝缘薄膜及其生产方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0248208A2 (fr) * 1986-06-02 1987-12-09 General Electric Company Matériau isolant électrique, ignifuge
US20110236662A1 (en) * 2009-07-31 2011-09-29 Yutaka Fukuda Insulating film and flat cable using the same
CN103854813A (zh) * 2012-12-03 2014-06-11 伊利诺斯工具制品有限公司 绝缘薄膜及其生产方法
US20150373853A1 (en) * 2013-11-21 2015-12-24 Illinois Tool Works, Inc. Insulation film and method for making insulation film

Also Published As

Publication number Publication date
TWI783061B (zh) 2022-11-11
TW201922496A (zh) 2019-06-16

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