CN114539943A - High temperature resistant distributed buffering insulating piece and notebook computer - Google Patents
High temperature resistant distributed buffering insulating piece and notebook computer Download PDFInfo
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- CN114539943A CN114539943A CN202210316101.4A CN202210316101A CN114539943A CN 114539943 A CN114539943 A CN 114539943A CN 202210316101 A CN202210316101 A CN 202210316101A CN 114539943 A CN114539943 A CN 114539943A
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- 230000003139 buffering effect Effects 0.000 title claims abstract description 21
- 239000006260 foam Substances 0.000 claims abstract description 144
- 239000002390 adhesive tape Substances 0.000 claims abstract description 90
- 229920000742 Cotton Polymers 0.000 claims abstract description 64
- 238000009413 insulation Methods 0.000 claims abstract description 21
- 239000000853 adhesive Substances 0.000 claims description 87
- 230000001070 adhesive effect Effects 0.000 claims description 87
- 239000012528 membrane Substances 0.000 claims description 15
- 230000000007 visual effect Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract description 3
- 239000003063 flame retardant Substances 0.000 abstract description 3
- 239000004417 polycarbonate Substances 0.000 description 41
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 235000019589 hardness Nutrition 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
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- 239000003522 acrylic cement Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 229920001721 polyimide Polymers 0.000 description 1
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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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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
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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
-
- 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
- C09J7/40—Adhesives in the form of films or foils characterised by release liners
-
- 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
- C09J7/50—Adhesives in the form of films or foils characterised by a primer layer between the carrier and the adhesive
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1656—Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories
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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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/124—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present on both sides of the carrier, e.g. double-sided adhesive tape
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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
- C09J2469/00—Presence of polycarbonate
- C09J2469/006—Presence of polycarbonate in the substrate
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B80/00—Architectural or constructional elements improving the thermal performance of buildings
- Y02B80/10—Insulation, e.g. vacuum or aerogel insulation
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Adhesive Tapes (AREA)
Abstract
The invention discloses a high-temperature-resistant distributed buffer insulating sheet and a notebook computer, wherein the high-temperature-resistant distributed buffer insulating sheet comprises a release film, a foam double-sided adhesive tape group, a PC film and a PI adhesive tape, the foam double-sided adhesive tape group comprises a plurality of foam double-sided adhesive tapes which are adhered to different positions of the PC film, a plurality of gaps with different structures are formed in the PC film, and one surface, facing the PC film, of the PI adhesive tape has viscosity. According to the invention, the hollowed-out notch is arranged on the PC film, so that on one hand, the sticky surface of the PI adhesive tape which is not covered by the PC film can be exposed to play a role in bonding, on the other hand, the insulation sheet can be helped to be bonded on a part with steps on the notebook computer, the insulation sheet is orderly attached without bubbles, and the like, and the foam cotton double-sided adhesive tape can be adhered to different positions of the PC film through arrangement of the foam cotton double-sided adhesive tape set, so that the insulation, buffering, high temperature resistance, voltage resistance, flame retardance, high surface gloss, uniform visual effect and other multiple effects are achieved, and the insulation, buffering, high temperature resistance, flame retardance, high surface gloss, uniform visual effect and other multiple effects are achieved, and the insulation and flame retardant PC film is suitable for popularization and use in the fields of notebook computers and the like.
Description
Technical Field
The invention belongs to the technical field of electronic equipment insulation, and particularly relates to a high-temperature-resistant distributed buffer insulating sheet and a notebook computer.
Background
With the improvement of national economic level and the popularization of notebook computers, the demand of people on the notebook computers is increasingly diversified. In addition to aesthetic appearance, there is also a need to meet the aesthetic requirements of people for internal arrangements. The parts of the notebook computer are various and compact in arrangement, a certain connection relation exists among the parts, insulating sheets can be used in the existing notebook computer in a large quantity to meet the insulation requirement, but the matching degree of the existing insulating sheets to the parts of the notebook computer still has a larger improvement space, and the functionality of the insulating sheets needs to be further expanded.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention aims to provide a high-temperature-resistant distributed buffer insulating sheet and a notebook computer.
In order to achieve the purpose and achieve the technical effect, the invention adopts the technical scheme that:
the utility model provides a high temperature resistant distributed buffering insulating piece, includes by lower supreme type membrane, the cotton double faced adhesive tape group of bubble, PC membrane and the PI sticky tape of setting gradually, the cotton double faced adhesive tape group of bubble relative two sides has viscidity, and the cotton double faced adhesive tape group of bubble includes that a plurality of has different structures and bonds in the cotton double faced adhesive tape of bubble of the different positions of PC membrane, sets up the breach that a plurality of has different structures on the PC membrane, and the PI sticky tape has viscidity towards the one side of PC membrane, and the breach on the PC membrane can expose the PI sticky one side that is not covered.
Further, the PC membrane does not have the viscidity, the breach on the PC membrane is hollow out construction, including first breach, second breach and the third breach that the interval set up.
Furthermore, the second gap is of a square structure, and the third gap is of an arc-like structure.
Further, the foam double-sided adhesive tape group comprises seven foam double-sided adhesive tapes, namely a first foam double-sided adhesive tape, a second foam double-sided adhesive tape, a third foam double-sided adhesive tape, a fourth foam double-sided adhesive tape, a fifth foam double-sided adhesive tape, a sixth foam double-sided adhesive tape and a seventh foam double-sided adhesive tape, wherein the thicknesses of foam used in the first foam double-sided adhesive tape, the second foam double-sided adhesive tape, the third foam double-sided adhesive tape, the fourth foam double-sided adhesive tape, the fifth foam double-sided adhesive tape, the sixth foam double-sided adhesive tape and the seventh foam double-sided adhesive tape are not completely the same.
Further, first bubble cotton double faced adhesive tape and the cotton double faced adhesive tape of second bubble set up respectively in PC membrane top and middle part, first bubble cotton double faced adhesive tape and the cotton double faced adhesive tape of second bubble all include first double faced adhesive tape, first bubble cotton and the second double faced adhesive tape that from top to bottom sets gradually.
Further, the model of first double faced adhesive is 3M467MP, the model of first bubble cotton is SR-S-15PHF, and the thickness of first bubble cotton is 0.4mm, 0.5mm, 1.0mm or 1.5mm, the model of second double faced adhesive is 3M467 MP.
Furthermore, the third foam cotton double-sided adhesive, the fourth foam cotton double-sided adhesive and the fifth foam cotton double-sided adhesive all comprise a third double-sided adhesive, a second foam cotton and a fourth double-sided adhesive which are sequentially arranged from top to bottom.
Furthermore, the model of the third double faced adhesive tape is 3M467MP, the model of the second foam is SR-S-40P, the thickness of the second foam is smaller than that of the first foam, and the model of the fourth double faced adhesive tape is 3M467 MP.
Further, the cotton double faced adhesive tape of sixth bubble is including the fifth double faced adhesive tape, the third bubble cotton and the sixth double faced adhesive tape that from top to bottom set gradually, the model of fifth double faced adhesive tape is 3M467MP, the cotton thickness of third bubble is less than the cotton thickness of first bubble, and the cotton thickness of third bubble is greater than the cotton thickness of second bubble and fourth bubble, and the cotton model of third bubble is SR-S-32P, the model of sixth double faced adhesive tape is 3M467 MP.
Further, the seventh bubble cotton double-sided adhesive comprises a seventh bubble cotton, a fourth bubble cotton and an eighth double-sided adhesive, wherein the seventh bubble cotton, the fourth bubble cotton and the eighth double-sided adhesive are sequentially arranged from top to bottom, the seventh double-sided adhesive is 3M467MP, the fourth bubble cotton is SR-S-70P, and the eighth double-sided adhesive is 3M467 MP.
The invention also discloses a notebook computer, which comprises the high-temperature-resistant distributed buffering insulating sheet.
Compared with the prior art, the invention has the beneficial effects that:
the invention discloses a high-temperature-resistant distributed buffer insulating sheet and a notebook computer, wherein the high-temperature-resistant distributed buffer insulating sheet comprises a release film, a foam double-sided adhesive tape group, a PC film and a PI adhesive tape which are sequentially arranged from bottom to top, two opposite sides of the foam double-sided adhesive tape group are provided with viscosity, the foam double-sided adhesive tape group comprises a plurality of foam double-sided adhesive tapes which have different structures and are adhered to different positions of the PC film, a plurality of gaps with different structures are formed in the PC film, one side of the PI adhesive tape, which faces the PC film, is provided with viscosity, and the gap in the PC film can expose the side, which is not covered, of the PI adhesive tape with viscosity. According to the high-temperature-resistant distributed buffer insulating sheet and the notebook computer, the plurality of notches with the hollow structures are arranged on the PC film, so that one side, with stickiness, of the PI adhesive tape which is not covered by the PC film can be exposed to play a role in bonding, on the other hand, different notch structures can help the insulating sheet to be bonded to a part, with steps and the like, of the notebook computer, the insulating sheet is orderly attached and has no air bubbles and the like, the product quality is improved, and the high-temperature-resistant distributed buffer insulating sheet and the notebook computer are more practical The material has multiple effects of buffering, high temperature resistance, voltage resistance, flame retardance, high surface glossiness, uniform visual effect and the like, and is suitable for popularization and use in the fields of notebook computers and the like.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic illustration of an explosive structure according to the present invention;
FIG. 3 is a schematic diagram of the structure of the PC film of the present invention.
Detailed Description
The present invention is described in detail below so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and thus the scope of the present invention can be clearly and clearly defined.
The following presents a simplified summary of one or more aspects in order to provide a basic understanding of such aspects. This summary is not an extensive overview of all contemplated aspects, and is intended to neither identify key or critical elements of all aspects nor delineate the scope of any or all aspects. Its sole purpose is to present some concepts of one or more aspects in a simplified form as a prelude to the more detailed description that is presented later.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1-3, a high temperature resistant distributed buffer insulation sheet comprises a release film 1, a foam double-sided adhesive tape set 2, a PC film 3 and a PI tape 4, which are sequentially arranged from bottom to top, wherein two opposite sides of the foam double-sided adhesive tape set 2 have viscosity, one side of the foam double-sided adhesive tape set 2 is adhered to the PC film 3 by the viscosity, the other opposite side of the foam double-sided adhesive tape set 2 is adhered to the release film 1 by the viscosity, the foam double-sided adhesive tape set 2 comprises a plurality of foam double-sided adhesive tapes with different structures (different shapes, thicknesses, hardnesses, sizes, etc.), each foam double-sided adhesive tape is adhered to different positions of the PC film 3 by the viscosity according to actual requirements, the PC film 3 is non-viscous, the PC film 3 is provided with a plurality of hollow gaps with different structures (including shapes, sizes, etc.), one side of the PI tape 4 facing the PC film 3 has viscosity, one side of the PI tape 4 facing away from the PC film 3 is non-viscous and the side is printed by ink, the PC film and PI tape double-sided adhesive tape combination has high glossiness and can achieve the visual effect of consistent color with a notebook computer, after the surfaces of the PC film 3 and the PI tape 4 are attached, the gap on the PC film 3 is exposed out of the uncovered PI tape 4 with the sticky surface, and when the PC film and PI tape combination is required to be used, the PC film 3 and the PI tape 4 on the foam double-sided adhesive tape combination 2 can be adhered to the notebook computer by tearing the release film 1, so that the functions of buffering, insulation, high temperature resistance, flame retardance and the like can be achieved.
The foam double-sided adhesive group 2 comprises a plurality of foam double-sided adhesives, and the thickness and hardness of foam used in each foam double-sided adhesive are not completely the same, so that a good buffering effect is achieved.
The invention also discloses a notebook computer, which comprises the high-temperature-resistant distributed buffering insulating sheet.
Example 1
As shown in fig. 1-3, a high temperature resistant distributed buffer insulation sheet comprises a release film 1, a foam double-sided adhesive tape set 2, a PC film 3 and a PI tape 4, which are sequentially arranged from bottom to top and are matched with each other, two opposite sides of the foam double-sided adhesive tape set 2 have viscosity, one side of the foam double-sided adhesive tape set 2 is adhered to the PC film 3 by the viscosity, the other opposite side of the foam double-sided adhesive tape set 2 is adhered to the release film 1 by the viscosity, the foam double-sided adhesive tape set 2 comprises a plurality of foam double-sided adhesives with different structures (different shapes, thicknesses, hardnesses, sizes, etc.), each foam double-sided adhesive is adhered to different positions of the PC film 3 by the viscosity according to actual requirements, the PC film 3 has no viscosity, a plurality of notches with different structures (including shapes, sizes, etc.) are arranged on the PC film 3, the PI tape 4 is in a T-shaped structure and is provided with a plurality of step structures, one side of the PI tape 4 facing the PC film 3 has viscosity, the surface of the PI adhesive tape 4, which is back to the PC film 3, is not sticky, and the surface is printed by using the ink, so that the surface has higher glossiness, and the visual effect of consistent color is realized with a notebook computer, the color of the ink is flexibly selected according to actual requirements, after the PC film 3 and the PI adhesive tape 4 are attached, a notch on the PC film 3 exposes the uncovered surface of the PI adhesive tape 4, when the surface needs to be used, the PC film 3 and the PI adhesive tape 4 on the foam double-sided adhesive tape group 2 can be bonded on the notebook computer by tearing the release film 1, and the multiple functions of buffering, insulation, high temperature resistance, flame retardance and the like are achieved.
As a specific implementation mode, the notch on the PC film 3 is of a hollow structure and comprises a first notch 5, a second notch 6 and a third notch 7, the second notch 6 is of a square structure, and the third notch 7 is of an arc-like structure, so that the design benefit is that the notch can be applied to steps of parts of a notebook computer and the like.
As a specific embodiment, the foam-cotton double-sided adhesive group 2 includes seven foam-cotton double-sided adhesives, which are respectively a first foam-cotton double-sided adhesive 8, a second foam-cotton double-sided adhesive 9, a third foam-cotton double-sided adhesive 10, a fourth foam-cotton double-sided adhesive 11, a fifth foam-cotton double-sided adhesive 12, a sixth foam-cotton double-sided adhesive 13 and a seventh foam-cotton double-sided adhesive 14, and the thicknesses and the hardnesses of the foams used in the first foam-cotton double-sided adhesive 8, the second foam-cotton double-sided adhesive 9, the third foam-cotton double-sided adhesive 10, the fourth foam-cotton double-sided adhesive 11, the fifth foam-cotton double-sided adhesive 12, the sixth foam-cotton double-sided adhesive 13 and the seventh foam-cotton double-sided adhesive 14 are not completely the same, so as to achieve a good buffering effect.
The first foam double-sided adhesive 8 and the second foam double-sided adhesive 9 are different in shape and size but the same in layer structure, the first foam double-sided adhesive 8 and the second foam double-sided adhesive 9 respectively comprise a first double-sided adhesive, a first foam and a second double-sided adhesive which are sequentially arranged from top to bottom, the first double-sided adhesive is 3M467MP and has strong viscosity and easy adhesion, the first foam is SR-S-15PHF, the second double-sided adhesive is 3M467MP and has strong viscosity and easy adhesion. The first foam double-sided adhesive tape 8 and the second foam double-sided adhesive tape 9 are both in square structures.
As a more specific embodiment, the first foam has a thickness of 0.4mm, 0.5mm, 1.0mm or 1.5mm, preferably 1mm, and a density of 0.15g/cm as measured in JIS K64013The 25% compressive load of the first foam measured by JIS K6254 was 0.015MPa, the compression loss ratio of the first foam measured by JIS K6401 was 2.0%, and the recommended compression ratio was 70%.
The third foam cotton double-sided adhesive 10, the fourth foam cotton double-sided adhesive 11 and the fifth foam cotton double-sided adhesive 12 are different in shape and size, but the layer structures of the third foam cotton double-sided adhesive 10, the fourth foam cotton double-sided adhesive 11 and the fifth foam cotton double-sided adhesive 12 are the same, the third foam cotton double-sided adhesive 10, the fourth foam cotton double-sided adhesive 11 and the fifth foam cotton double-sided adhesive 12 respectively comprise a third double-sided adhesive, a second foam cotton and a fourth double-sided adhesive which are sequentially arranged from top to bottom, the third double-sided adhesive is 3M467MP and has strong adhesiveness and easy adhesiveness, the second foam cotton is SR-S-40P, the fourth double-sided adhesive is 3M467MP and has strong adhesiveness and easy adhesiveness. The fourth foam double-sided adhesive tape 11 is of a square structure.
As a more specific example of an implementation,the thickness of the second foam is less than that of the first foam, the thickness of the second foam is preferably 0.4mm, and the density of the second foam measured by JIS K6401 is 0.40g/cm3The 25% compressive load of the second foam measured in accordance with JIS K6254 was 0.015MPa, and the compression residual strain measured in accordance with JIS K6401 was 2.0%.
The sixth foam cotton double-sided adhesive 13 comprises a fifth double-sided adhesive, a third foam cotton and a sixth double-sided adhesive which are sequentially arranged from top to bottom, the type of the fifth double-sided adhesive is 3M467MP and has strong adhesiveness and easy adhesiveness, the type of the third foam cotton is SR-S-32P, and the type of the sixth double-sided adhesive is 3M467MP and has strong adhesiveness and easy adhesiveness. The sixth foam double-sided adhesive 13 is of a trapezoid-like structure.
As a more specific embodiment, the thickness of the third foam is smaller than that of the first foam, the thickness of the third foam is larger than that of the second foam and the fourth foam, the thickness of the third foam is preferably 0.6mm, and the density of the third foam measured by JIS K6401 is 0.32g/cm3The 25% compressive load of the third foam measured in accordance with JIS K6254 was 0.011MPa, and the compressive residual strain measured in accordance with JIS K6401 was 2.2%.
The seventh foam double-sided adhesive 14 comprises a seventh double-sided adhesive, a fourth foam and an eighth double-sided adhesive which are sequentially arranged from top to bottom, the model of the seventh double-sided adhesive is 3M467MP and has strong adhesiveness and easy adhesiveness, the model of the fourth foam is SR-S-70P, and the model of the eighth double-sided adhesive is 3M467MP and has strong adhesiveness and easy adhesiveness. The seventh foam double-sided adhesive tape 14 is of a square structure.
As a more specific embodiment, the fourth foam preferably has a thickness of 0.2mm and a density of 0.70g/cm as measured in JIS K64013The 25% compressive load of the fourth foam measured in accordance with JIS K6254/JIS K6301 was 0.032MPa, and the compression loss ratio measured in accordance with JIS K6401 was 2.0%.
The PC film 3 is a DFR117ECOA halogen-free, unlimited heavy metal, phosphate-free, truly green and environment-friendly flame-retardant polycarbonate film, has matte or fine sand surface, thickness of 0.05-0.25mm, flame-retardant grade of UL 94VTM-0, and density of 1.20g/cm tested according to GB/T13542.2-20093Tensile strength of 50MPa, ultimate elongation of 90%, electrical strength of 80kV/mm, and volume insulation of 2 × 1016Omega, cm, surface insulation of 5 x 1015Omega, dielectric loss factor of 1.1X 10-3The dielectric constant is 3.0, the Vicat softening point is 150 ℃ according to GB/T1633-2000 test, and the PC film 3 has good insulating property and temperature resistance.
The PI adhesive tape 4 is FKBMAP-100A, is a single-sided acrylic adhesive tape taking a polyimide film as a base material, has good adhesion, temperature resistance, insulation and voltage resistance, has the thickness of 92-108 mu m, 180-degree adhesive force of not less than 1000g/25mm, the glossiness of 20-50 and the dielectric strength of more than 200 Volts/mil.
The parts or structures of the invention which are not described in detail can be the same as those in the prior art or the existing products, and are not described in detail herein.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a high temperature resistant distributing type buffering insulating piece, its characterized in that includes by lower supreme setting gradually from type membrane, the cotton double faced adhesive tape group of bubble, PC membrane and PI sticky tape, the two sides that the cotton double faced adhesive tape group of bubble is relative have viscidity, and the cotton double faced adhesive tape group of bubble bonds in the cotton double faced adhesive tape of bubble of the different positions of PC membrane including a plurality of, sets up the breach that a plurality of has different structures on the PC membrane, and the PI sticky tape has viscidity towards the one side of PC membrane, and the breach on the PC membrane can expose the PI sticky one side that is not covered.
2. The high temperature resistant distributed buffering insulating sheet of claim 1, wherein the PC film has no adhesion, and the notch on the PC film is a hollow structure and comprises a first notch, a second notch and a third notch which are arranged at intervals.
3. The high temperature resistant distributed buffering insulation sheet according to claim 1, wherein the foam double-sided adhesive group comprises seven foam double-sided adhesives with different structures, which are respectively a first foam double-sided adhesive, a second foam double-sided adhesive, a third foam double-sided adhesive, a fourth foam double-sided adhesive, a fifth foam double-sided adhesive, a sixth foam double-sided adhesive and a seventh foam double-sided adhesive, and the thicknesses of the foams used in the first foam double-sided adhesive, the second foam double-sided adhesive, the third foam double-sided adhesive, the fourth foam double-sided adhesive, the fifth foam double-sided adhesive, the sixth foam double-sided adhesive and the seventh foam double-sided adhesive are not completely the same.
4. The high temperature resistant distributed buffering insulation sheet of claim 3, wherein the first foam double faced adhesive tape and the second foam double faced adhesive tape are respectively disposed on the top and the middle of the PC film, and each of the first foam double faced adhesive tape and the second foam double faced adhesive tape comprises a first foam double faced adhesive tape, a first foam double faced adhesive tape and a second foam double faced adhesive tape sequentially disposed from top to bottom.
5. The high-temperature-resistant distributed buffering insulation sheet according to claim 4, wherein the first foam is SR-S-15PHF, and the thickness of the first foam is 0.4mm, 0.5mm, 1.0mm or 1.5 mm.
6. The high temperature resistant distributed buffering insulation sheet according to claim 3, wherein the third foam double-sided adhesive, the fourth foam double-sided adhesive and the fifth foam double-sided adhesive each comprise a third double-sided adhesive, a second foam and a fourth double-sided adhesive sequentially arranged from top to bottom.
7. The high-temperature-resistant distributed buffering insulation sheet as claimed in claim 6, wherein the second foam is SR-S-40P in type, and the thickness of the second foam is smaller than that of the first foam.
8. The high temperature resistant distributed buffering insulation sheet of claim 3, wherein the sixth foam double-sided adhesive tape comprises a fifth double-sided adhesive tape, a third foam and a sixth double-sided adhesive tape which are sequentially arranged from top to bottom, the thickness of the third foam is smaller than that of the first foam, the thickness of the third foam is larger than that of the second foam and that of the fourth foam, and the third foam is SR-S-32P.
9. The high temperature resistant distributed buffering insulation sheet of claim 3, wherein the seventh foam double-sided adhesive tape comprises a seventh double-sided adhesive tape, a fourth foam and an eighth double-sided adhesive tape which are sequentially arranged from top to bottom, and the type of the fourth foam is SR-S-70P.
10. A notebook computer, comprising the high temperature resistant distributed buffer insulating sheet of any one of claims 1 to 9.
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| CN202210316101.4A CN114539943A (en) | 2022-03-29 | 2022-03-29 | High temperature resistant distributed buffering insulating piece and notebook computer |
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| CN202210316101.4A CN114539943A (en) | 2022-03-29 | 2022-03-29 | High temperature resistant distributed buffering insulating piece and notebook computer |
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