CN109648940A - A kind of frosted PET hot pressing silica gel material and preparation method thereof - Google Patents
A kind of frosted PET hot pressing silica gel material and preparation method thereof Download PDFInfo
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- 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
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B11/00—Making preforms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
- B29C43/24—Calendering
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
- B29C43/28—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
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- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
- B32B27/281—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polyimides
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- B32B27/00—Layered products comprising a layer of synthetic resin
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- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B9/045—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance 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
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
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- C08K3/04—Carbon
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
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- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
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- B32B2307/00—Properties of the layers or laminate
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/206—Insulating
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- B32B2307/302—Conductive
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- 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
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- B32B2307/56—Damping, energy absorption
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Abstract
The present invention provides a kind of frosted PET hot pressing silica gel materials and preparation method thereof；Frosted PET hot pressing silica gel material including single-layer or multi-layer；The single layer frosted PET hot pressing silica gel material includes heat conduction silicone and frosted pet layer；The multilayer frosted PET hot pressing silica gel material frosted pet layer, heat conduction silicone and PI composite layer or frosted pet layer, heat conduction silicone and glass fiber composite.The invention further relates to the preparation methods of frosted PET hot pressing silica gel material.Effect with heat conduction silicone of the invention is: insulation, thermally conductive etc., reduces the thermal contact resistance generated between heat source surface and radiating element contact surface, and glass heat conductive silica gel can be very good the gap of filling contact surface；Supplement with glass heat conductive silica gel can be such that the contact surface between pyrotoxin and radiator preferably comes into full contact with, and be truly realized aspectant contact；The advantages that the reaction in temperature can achieve the temperature difference small as far as possible.
Description
Technical field
The present invention relates to a kind of chemical material field；More particularly to a kind of frosted PET hot pressing silica gel material and preparation method thereof.
Background technique
Silica gel can be divided into inorganic silica gel and organic silica gel.Silica gel can be used to make desiccant, and may be reused.
Silica gel is by silicic acid gel mSiO2·nH2The different porous mass of granular size made of O is suitably dehydrated.With open porous
Structure, specific surface (surface area of unit mass) is very big, can adsorb many substances, be a kind of good desiccant, adsorbent and
Catalyst carrier.The suction-operated of silica gel is mainly physical absorption, can be regenerated and Reusability.Alkali silicate (such as
Sodium metasilicate) acid adding in solution, it is allowed to be acidified, adds a certain amount of electrolyte and be stirred, is i.e. generation silicic acid gel；Or
Acid adding or ammonium salt can also generate silicic acid gel in denseer sodium silicate solution.Silicic acid gel standing a few houres are allowed to aging, so
Solubility salt is washed away with hot water afterwards, dried at 60~70 DEG C and is activated at about 300 DEG C, silica gel can be obtained.Silicic acid is coagulated
Glue is dried and is activated again after being impregnated with cobalt chloride solution, and can must change colour silica gel.It is blue when making desiccant with it, before water suction, inhales
Redden color after water, can be seen that water sucting degree from the variation of color, and whether need regeneration treatment.Silica gel is also widely used in steaming
The recycling of gas, the refining of petroleum and preparation of catalyst etc..Silica gel can also be used to do mobile phone shell, have extremely high shatter-resistant
Property.
Organic silica gel is a kind of organo-silicon compound, refer to containing Si-C key and at least one organic group be directly with
The connected compound of silicon atom, traditionally also often the chemical combination that those make organic group be connected with silicon atom by oxygen, sulphur, nitrogen etc.
Object is also as organo-silicon compound.Wherein, the polysiloxanes formed with silicon oxygen bond (- Si-O-Si-) for skeleton, is siliconated
Closing in object is that number is most, studies most deep, most widely used one kind, accounts for about 90% or more of total dosage.
Heat conductive silica gel is the various auxiliary materials such as addition metal oxide using silica gel as substrate, one synthesized by special process
Kind of heat-conducting medium material, in industry, also known as thermal conductive silicon rubber mat, thermally conductive silica gel piece, soft heat conductive pad etc. is exclusively for benefit
With the design scheme production of gap transmitting heat, can blind, the heat for completing heating position and radiating part interdigit transmits, together
When also act as insulation, damping, sealing the effects of, can satisfy the design requirement of device miniaturization and ultrathin, be great technique
Property and usability, and thickness is applied widely, is a kind of splendid conductive filler material.
Summary of the invention
The object of the present invention is to provide regulate and control a kind of frosted PET hot pressing silica gel material.
The present invention is achieved by the following technical solutions:
In a first aspect, a kind of frosted PET hot pressing silica gel material, the frosted PET hot pressing silica gel material including single-layer or multi-layer；
The single layer frosted PET hot pressing silica gel material includes heat conduction silicone and frosted pet layer；
PET layers of the multilayer frosted PET hot pressing silica gel material frosted, heat conduction silicone and PET layers of PI composite layer or frosted are led
Hot layer of silica gel and glass fiber composite.
Preferably, the PI composite layer includes heat conduction silicone and PI film layer.
Preferably, the glass fiber composite includes heat conduction silicone and fiberglass cloth.
Preferably, the heat conduction silicone is kneaded system by heat conductive silica gel, conductive powder body, catalyst, crosslinking agent, inhibitor
At and be glued at PET layers of frosting；
The each component mass component of the heat conduction silicone are as follows:
80-120 parts of heat conductive silica gel,
8-25 parts of conductive powder body,
0.5-1 parts of catalyst
1-5 parts of crosslinking agent,
0.5-2 parts of inhibitor.
Preferably, the heat conduction silicone is kneaded system by heat conductive silica gel, conductive powder body, catalyst, crosslinking agent, inhibitor
At and roll in PET layers of frosting；
The each component mass component of the heat conduction silicone are as follows:
90 parts of heat conductive silica gel,
10 parts of conductive powder body,
1 part of catalyst
4 parts of crosslinking agent,
2 parts of inhibitor.
Wherein, conductive powder body of the present invention is one kind or more of acetylene carbon black, graphite, Cu-cladding Al Rod and nickel bag graphite
Kind.
Crosslinking agent of the present invention is containing hydrogen silicone oil, cumyl peroxide (DCP), benzoyl peroxide (BPO), two uncles
One of butylperoxide (DTBP), di-isopropylbenzene hydroperoxide, -2,5 di-t-butyl hexane peroxide of 2,5- dimethyl
Or it is a variety of.
Catalyst of the present invention is the vinylsiloxane platinum complexing of vinylsiloxane platinum complex and/or chloroplatinic acid
Object
Inhibitor of the present invention is alkynol, preferably propilolic alcohol.
Preferably, the mill in the single layer frosted PET hot pressing silica gel material and the multilayer frosted PET hot pressing silica gel material
PET layers with a thickness of 0.02-0.08mm, width 1.2-800mm.
Preferably, the preparation method of the single layer frosted PET hot pressing silica gel material, following steps:
Step 1 will toast after PET layers of progress single side frosted processing, obtain frosted pet layer；
Step 2, by heat conductive silica gel, conductive powder body, catalyst, crosslinking agent, inhibitor, heat conductive silica gel is made in mixing；
Step 3, by obtained frosted pet layer and heat conductive silica gel successively after tri-roll press machine, two-roll calendar, into baking oven
Processing.
Preferably, in step 1, the baking temperature is 120-150 °, and the time is 30 minutes.
Preferably, the preparation method of the multilayer frosted PET hot pressing silica gel material, following steps:
Step 1, it will be toasted after PET layers of progress single side frosted processing, obtain frosted pet layer；
Step 2, by heat conductive silica gel, conductive powder body, catalyst, crosslinking agent, inhibitor, heat conductive silica gel is made in mixing；
Step 3, by obtained frosted pet layer, heat conduction silicone, PI composite layer or glass fiber composite successively through three-roller calendaring
After machine, two-roll calendar, into oven.
Preferably, in step 1, the baking temperature is 120-150 °, and the time is 30 minutes.
It is had the advantage that in method of the invention
Effect with heat conduction silicone of the invention is:
(1) insulation, thermally conductive, wear-resisting, fire-retardant, filling gap, incompressible, buffering etc..
(2) thermal contact resistance generated between heat source surface and radiating element contact surface is reduced, glass heat conductive silica gel can be very
The gap of good filling contact surface；
(3) supplement with glass heat conductive silica gel, can be such that the contact surface between pyrotoxin and radiator preferably comes into full contact with,
It is truly realized aspectant contact；Reaction in temperature can achieve the temperature difference small as far as possible；
(4) range of the thermal coefficient with glass heat conduction silicone is big and stability is good；
(5) frosted PET hot pressing silica gel material of the invention is effectively contacted with heat generating component and radiating subassembly, reduces heat generating component
Thermal contact resistance between radiating subassembly, thermal coefficient with higher.
Specific embodiment
The present invention is described in detail combined with specific embodiments below.It should be pointed out that embodiment below is only
It is to further explanation of the invention, but protection scope of the present invention is not limited to following embodiment.
Embodiment 1
It is single layer that the present embodiment, which is related to a kind of frosted PET hot pressing silica gel material,；
The single layer frosted PET hot pressing silica gel material includes heat conduction silicone and frosted pet layer；
The each component mass component of the heat conduction silicone are as follows:
80 parts of heat conductive silica gel,
8 parts of conductive powder body,
0.7 part of catalyst
1 part of crosslinking agent,
0.5 part of inhibitor.
Wherein, the conductive powder body is acetylene carbon black；
The catalyst is vinylsiloxane platinum complex；
The crosslinking agent is containing hydrogen silicone oil；
The inhibitor is propilolic alcohol；
PET layers of frosted with a thickness of 0.075mm, width 1.2mm；
The preparation method of the single layer frosted PET hot pressing silica gel material, following steps:
Step 1 will toast after PET layers of progress single side frosted processing, obtain frosted pet layer；
Step 2, by heat conductive silica gel, conductive powder body, catalyst, crosslinking agent, inhibitor, heat conductive silica gel is made in mixing；
Step 3, by obtained frosted pet layer and heat conductive silica gel successively after tri-roll press machine, two-roll calendar, into baking oven
Processing.
In step 1, the baking temperature is 120 °, and the time is 30 minutes.
Embodiment 2
It is single layer that the present embodiment, which is related to a kind of frosted PET hot pressing silica gel material,；
The single layer frosted PET hot pressing silica gel material includes heat conduction silicone and frosted pet layer；
The each component mass component of the heat conduction silicone are as follows:
120 parts of heat conductive silica gel,
25 parts of conductive powder body,
0.6 part of catalyst
5 parts of crosslinking agent,
2 parts of inhibitor.
The conductive powder body is acetylene carbon black
The catalyst is vinylsiloxane platinum complex；
The crosslinking agent is benzoyl peroxide (BPO)；
The inhibitor is zinc sulfate；
Described frosted PET layers with a thickness of 0.08mm, width 800mm.
The preparation method of the single layer frosted PET hot pressing silica gel material, following steps:
Step 1 will toast after PET layers of progress single side frosted processing, obtain frosted pet layer；
Step 2, by heat conductive silica gel, conductive powder body, catalyst, crosslinking agent, inhibitor, heat conductive silica gel is made in mixing；
Step 3, by obtained frosted pet layer and heat conductive silica gel successively after tri-roll press machine, two-roll calendar, into baking oven
Processing.
In step 1, the baking temperature is 150 °, and the time is 30 minutes.
Embodiment 3
It is single layer that the present embodiment, which is related to a kind of frosted PET hot pressing silica gel material,；
The single layer frosted PET hot pressing silica gel material includes heat conduction silicone and frosted pet layer；
The heat conduction silicone is made and is glued at by heat conductive silica gel, conductive powder body, catalyst, crosslinking agent, inhibitor, mixing
PET layers of frosting；
The each component mass component of the heat conduction silicone are as follows:
90 parts of heat conductive silica gel,
10 parts of conductive powder body,
0.5 part of catalyst,
2 parts of crosslinking agent,
0.8 part of inhibitor.
The conductive powder body is graphite；
Crosslinking agent of the present invention is -2,5 di-t-butyl hexane peroxide of 2,5- dimethyl；
The catalyst is vinylsiloxane platinum complex
The inhibitor is zinc sulfate.
PET layers of mill in the single layer frosted PET hot pressing silica gel material and the multilayer frosted PET hot pressing silica gel material
With a thickness of 0.03mm, width 100mm.
The preparation method of the single layer frosted PET hot pressing silica gel material, following steps:
Step 1 will toast after PET layers of progress single side frosted processing, obtain frosted pet layer；
Step 2, by heat conductive silica gel, conductive powder body, catalyst, crosslinking agent, inhibitor, heat conductive silica gel is made in mixing；
Step 3, by obtained frosted pet layer and heat conductive silica gel successively after tri-roll press machine, two-roll calendar, into baking oven
Processing.
In step 1, the baking temperature is 100 °, and the time is 30 minutes.
Embodiment 4
It is single layer that the present embodiment, which is related to a kind of frosted PET hot pressing silica gel material,；
The single layer frosted PET hot pressing silica gel material includes heat conduction silicone and frosted pet layer；
The heat conduction silicone is by heat conductive silica gel, conductive powder body, the vinylsiloxane platinum complex of chloroplatinic acid, crosslinking agent, suppression
Preparation, mixing are made and are glued at PET layers of frosting；
The each component mass component of the heat conduction silicone are as follows:
90 parts of heat conductive silica gel,
10 parts of conductive powder body,
0.6 part of vinylsiloxane platinum complex,
4 parts of crosslinking agent,
2 parts of inhibitor.
The conductive powder body is Cu-cladding Al Rod.
The crosslinking agent is cumyl peroxide (DCP).
The inhibitor is zinc sulfate
Mill PET thickness degree in the single layer frosted PET hot pressing silica gel material and the multilayer frosted PET hot pressing silica gel material
For 0.08mm, width 800mm.
The preparation method of the single layer frosted PET hot pressing silica gel material, following steps:
Step 1 will toast after PET layers of progress single side frosted processing, obtain frosted pet layer；
Step 2, by heat conductive silica gel, conductive powder body, vinylsiloxane platinum complex, crosslinking agent, inhibitor, mixing, which is made, to be led
Hot silica gel；
Step 3, by obtained frosted pet layer and heat conduction silicone successively after tri-roll press machine, two-roll calendar, into baking
Case processing.
In step 1, the baking temperature is 130 °, and the time is 30 minutes.
Embodiment 5
The present embodiment is related to a kind of frosted PET hot pressing silica gel material, including single layer；
The single layer frosted PET hot pressing silica gel material includes heat conduction silicone and frosted pet layer；
Preferably, the heat conduction silicone is made simultaneously of heat conductive silica gel, conductive powder body, catalyst, crosslinking agent, inhibitor, mixing
Roll the frosting at PET layers；
The each component mass component of the heat conduction silicone are as follows:
110 parts of heat conductive silica gel,
20 parts of conductive powder body,
0.7 part of catalyst,
3.5 parts of crosslinking agent,
1.5 parts of inhibitor.
The conductive powder body is nickel coated graphite powder.
The crosslinking agent is di-tert-butyl peroxide (DTBP).
The catalyst is vinylsiloxane platinum complex
The inhibitor is zinc sulfate.
PET layers of mill in the single layer frosted PET hot pressing silica gel material and the multilayer frosted PET hot pressing silica gel material
With a thickness of 0.08mm, width 1.2mm.
Preferably, the preparation method of the single layer frosted PET hot pressing silica gel material, following steps:
Step 1 will toast after PET layers of progress single side frosted processing, obtain frosted pet layer；
Step 2, by heat conductive silica gel, conductive powder body, chloroplatinic acid vinylsiloxane platinum complex, crosslinking agent, inhibitor, mix
Refine into heat conductive silica gel；
Step 3, by obtained frosted pet layer and heat conduction silicone successively after tri-roll press machine, two-roll calendar, into baking
Case processing.
In step 1, the baking temperature is 130 °, and the time is 30 minutes.
Embodiment 6
The present embodiment is related to the frosted PET hot pressing silica gel material that a kind of frosted PET hot pressing silica gel material is multilayer；
PET layers of the multilayer frosted PET hot pressing silica gel material frosted, heat conduction silicone and PET layers of PI composite layer or frosted are led
Hot layer of silica gel and glass fiber composite.
The PI composite layer includes heat conduction silicone and PI film layer.
The glass fiber composite includes heat conduction silicone and fiberglass cloth.
The heat conduction silicone is by heat conductive silica gel, conductive powder body, catalyst, crosslinking agent, inhibitor, and mixing is made and gluing
In PET layers of frosting；
The each component mass component of the heat conduction silicone are as follows:
80 parts of heat conductive silica gel,
8 parts of conductive powder body,
0.5 part of catalyst
1 part of crosslinking agent,
0.5 part of inhibitor.
The conductive powder body is conductive black powder；
The catalyst is vinylsiloxane platinum complex
The crosslinking agent is containing hydrogen silicone oil；
The inhibitor is propilolic alcohol；
The preparation method of the multilayer frosted PET hot pressing silica gel material, following steps:
Step 1, it will be toasted after PET layers of progress single side frosted processing, obtain frosted pet layer；
Step 2, by heat conductive silica gel, conductive powder body, chloroplatinic acid vinylsiloxane platinum complex, crosslinking agent, inhibitor, be kneaded
Heat conductive silica gel is made；
Step 3, by obtained frosted pet layer, heat conduction silicone, PI composite layer or glass fiber composite successively through three-roller calendaring
After machine, two-roll calendar, into oven.
In step 1, the baking temperature is 120 °, and the time is 30 minutes.
Embodiment 7
The present embodiment is related to the frosted PET hot pressing silica gel material that a kind of frosted PET hot pressing silica gel material is multilayer；
PET layers of the multilayer frosted PET hot pressing silica gel material frosted, heat conduction silicone and PET layers of PI composite layer or frosted are led
Hot layer of silica gel and glass fiber composite.
The PI composite layer includes heat conduction silicone and PI film layer.
The glass fiber composite includes heat conduction silicone and fiberglass cloth.
The heat conduction silicone is by heat conductive silica gel, conductive powder body, catalyst, crosslinking agent, inhibitor, and mixing is made and gluing
In PET layers of frosting；
The each component mass component of the heat conduction silicone are as follows:
120 parts of heat conductive silica gel,
25 parts of conductive powder body,
0.5 part of catalyst,
5 parts of crosslinking agent,
2 parts of inhibitor.
The conductive powder body is conductive white powder of admiring；
The catalyst is vinylsiloxane platinum complex；
The crosslinking agent is -2,5 di-t-butyl hexane peroxide of 2,5- dimethyl.
The inhibitor is zinc sulfate.
The preparation method of the multilayer frosted PET hot pressing silica gel material, following steps:
Step 1, it will be toasted after PET layers of progress single side frosted processing, obtain frosted pet layer；
Step 2, by heat conductive silica gel, conductive powder body, catalyst, crosslinking agent, inhibitor, mixing is made and rolls at PET layers
Frosting obtains heat conduction silicone；
Step 3, by obtained frosted pet layer, heat conduction silicone, PI composite layer or glass fiber composite successively through three-roller calendaring
After machine, two-roll calendar, into oven.
Preferably, in step 1, the baking temperature is 150 °, and the time is 30 minutes.
Embodiment 8
The present embodiment is related to the frosted PET hot pressing silica gel material that a kind of frosted PET hot pressing silica gel material is multilayer；
PET layers of the multilayer frosted PET hot pressing silica gel material frosted, heat conduction silicone and PET layers of PI composite layer or frosted are led
Hot layer of silica gel and glass fiber composite.
The PI composite layer includes heat conduction silicone and PI film layer.
The glass fiber composite includes heat conduction silicone and fiberglass cloth.
The heat conduction silicone is kneaded calendering in PET by heat conductive silica gel, conductive powder body, catalyst, crosslinking agent, inhibitor
The frosting of layer；
The each component mass component of the heat conduction silicone are as follows:
100 parts of heat conductive silica gel,
20 parts of conductive powder body,
0.6 part of catalyst,
2 parts of crosslinking agent,
1 part of inhibitor.
The conductive powder body is conductive mica powder.
The catalyst is vinylsiloxane platinum complex；
The crosslinking agent is cumyl peroxide (DCP).
Inhibitor of the present invention is zinc sulfate.
The preparation method of the multilayer frosted PET hot pressing silica gel material, following steps:
Step 1, it will be toasted after PET layers of progress single side frosted processing, obtain frosted pet layer；
Step 2, by heat conductive silica gel, conductive powder body, chloroplatinic acid vinylsiloxane platinum complex, crosslinking agent, inhibitor, be kneaded
It is made and is glued at PET layers of frosting, obtains heat conduction silicone；
Step 3, by obtained frosted pet layer, heat conduction silicone, PI composite layer or glass fiber composite successively through three-roller calendaring
After machine, two-roll calendar, into oven.
Preferably, in step 1, the baking temperature is 130 °, and the time is 30 minutes.
Embodiment 9
The present embodiment is related to the frosted PET hot pressing silica gel material that a kind of frosted PET hot pressing silica gel material is multilayer；
PET layers of the multilayer frosted PET hot pressing silica gel material frosted, heat conduction silicone and PET layers of PI composite layer or frosted are led
Hot layer of silica gel and glass fiber composite.
The PI composite layer includes heat conduction silicone and PI film layer.
The glass fiber composite includes heat conduction silicone and fiberglass cloth.
The heat conduction silicone is by heat conductive silica gel, conductive powder body, catalyst, crosslinking agent, inhibitor, and mixing is made and gluing
In PET layers of frosting；
The each component mass component of the heat conduction silicone are as follows:
90 parts of heat conductive silica gel,
10 parts of conductive powder body,
1 part of catalyst,
4 parts of crosslinking agent,
2 parts of inhibitor.
It according to mass ratio is that 1:1 is mixed that the conductive powder body, which is conductive mica powder, conductive both white powder of admiring,；
The catalyst is vinylsiloxane platinum complex；
The crosslinking agent be the crosslinking agent be cumyl peroxide (DCP), both benzoyl peroxides (BPO) in mass ratio
It is mixed for 1:1.
The inhibitor is zinc sulfate.
The preparation method of the multilayer frosted PET hot pressing silica gel material, following steps:
Step 1, it will be toasted after PET layers of progress single side frosted processing, obtain frosted pet layer；
Step 2, by heat conductive silica gel, conductive powder body, catalyst, crosslinking agent, inhibitor, heat conduction silicone is made in mixing；
Step 3, by obtained frosted pet layer, heat conductive silica gel, PI composite layer or glass fiber composite successively through three-roller calendaring
After machine, two-roll calendar, into oven.
Preferably, in step 1, the baking temperature is 120 °, and the time is 30 minutes.
Embodiment 10
The present embodiment is related to the frosted PET hot pressing silica gel material that a kind of frosted PET hot pressing silica gel material is multilayer；
PET layers of the multilayer frosted PET hot pressing silica gel material frosted, heat conduction silicone and PET layers of PI composite layer or frosted are led
Hot layer of silica gel and glass fiber composite.
The PI composite layer includes heat conduction silicone and PI film layer.
The glass fiber composite includes heat conduction silicone and fiberglass cloth.
Preferably, the heat conduction silicone is complexed by the vinylsiloxane platinum of heat conductive silica gel, conductive powder body, chloroplatinic acid
Object, crosslinking agent, inhibitor, mixing are made and are glued at PET layers of frosting；
The each component mass component of the heat conduction silicone are as follows:
115 parts of heat conductive silica gel,
10 parts of conductive powder body,
1 part of the vinylsiloxane platinum complex of chloroplatinic acid,
4 parts of crosslinking agent,
1 part of inhibitor.
It according to mass ratio is that 1:1 is mixed that the conductive powder body, which is conductive mica powder, conductive both white powder of admiring,.
It according to mass ratio is 1:1 that the crosslinking agent, which is cumyl peroxide (DCP), both benzoyl peroxides (BPO),
It mixes.
The inhibitor is zinc sulfate.
The preparation method of the multilayer frosted PET hot pressing silica gel material, following steps:
Step 1, it will be toasted after PET layers of progress single side frosted processing, obtain frosted pet layer；
Step 2, by heat conductive silica gel, conductive powder body, chloroplatinic acid vinylsiloxane platinum complex, crosslinking agent, inhibitor, be kneaded
It is made and glued calendering is in PET layers of frosting, obtain heat conduction silicone；
Step 3, by obtained frosted pet layer, heat conduction silicone, PI composite layer or glass fiber composite successively through three-roller calendaring
After machine, two-roll calendar, into oven.
Preferably, in step 1, the baking temperature is 150 °, and the time is 30 minutes.
In summary: obtained according to embodiment 1-10: the effect with heat conduction silicone of the invention is:
(1) insulation, thermally conductive, wear-resisting, fire-retardant, filling gap, incompressible, buffering etc..
(2) thermal contact resistance generated between heat source surface and radiating element contact surface is reduced, glass heat conductive silica gel can be very
The gap of good filling contact surface；
(3) supplement with glass heat conductive silica gel, can be such that the contact surface between pyrotoxin and radiator preferably comes into full contact with,
It is truly realized aspectant contact；Reaction in temperature can achieve the temperature difference small as far as possible；
(4) range of the thermal coefficient with glass heat conduction silicone is big and stability is good；
(5) frosted PET hot pressing silica gel material of the invention is effectively contacted with heat generating component and radiating subassembly, reduces heat generating component
Thermal contact resistance between radiating subassembly, thermal coefficient with higher；
(6) in all embodiments, embodiment 9 achieves optimal effect, it is seen that each component obtains best collaboration effect
Fruit.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring essence of the invention.
Claims (10)
1. a kind of frosted PET hot pressing silica gel material, which is characterized in that the frosted PET hot pressing silica gel material including single-layer or multi-layer
Material；
The single layer frosted PET hot pressing silica gel material includes heat conduction silicone and frosted pet layer；
The multilayer frosted PET hot pressing silica gel material includes PET layers of frosted, heat conduction silicone and PI composite layer or frosted PET
Layer, heat conduction silicone and glass fiber composite.
2. frosted PET hot pressing silica gel material as described in claim 1, which is characterized in that the PI composite layer includes thermal conductive silicon
Glue-line and PI film layer.
3. frosted PET hot pressing silica gel material as described in claim 1, which is characterized in that the glass fiber composite includes
Heat conduction silicone and fiberglass cloth.
4. frosted PET hot pressing silica gel material as described in claim 1, which is characterized in that the heat conduction silicone is by thermal conductive silicon
Glue, conductive powder body, chloroplatinic acid vinylsiloxane platinum complex, crosslinking agent, inhibitor, mixing be made and be glued at PET
The frosting of layer；
The each component mass component of the heat conduction silicone are as follows:
80-120 parts of heat conductive silica gel,
8-25 parts of conductive powder body,
0.5-1 part of catalyst
1-5 parts of crosslinking agent,
0.5-2 parts of inhibitor.
5. frosted PET hot pressing silica gel material as claimed in claim 4, which is characterized in that the heat conduction silicone is by thermal conductive silicon
Glue, conductive powder body, chloroplatinic acid vinylsiloxane platinum complex, crosslinking agent, inhibitor, mixing be made and roll in PET
The frosting of layer；
The each component mass component of the heat conduction silicone are as follows:
90 parts of heat conductive silica gel,
10 parts of conductive powder body,
1 part of catalyst
4 parts of crosslinking agent,
2 parts of inhibitor.
6. frosted PET hot pressing silica gel material as described in claim 1, which is characterized in that the single layer frosted PET hot pressing silicon
With a thickness of 0.02-0.08mm, width is for PET layers of frosted in glue material and the multilayer frosted PET hot pressing silica gel material
1.2-800mm。
7. frosted PET hot pressing silica gel material as described in claim 1, which is characterized in that the single layer frosted PET hot pressing silicon
The preparation method of glue material, following steps:
Step 1 will toast after PET layers of progress single side frosted processing, obtain frosted pet layer；
Step 2, by heat conductive silica gel, conductive powder body, catalyst, crosslinking agent, inhibitor, heat conductive silica gel is made in mixing；
Step 3, by obtained frosted pet layer and heat conduction silicone successively after tri-roll press machine, two-roll calendar, into baking
Case processing.
8. frosted PET hot pressing silica gel material as claimed in claim 7, which is characterized in that in step 1, the baking temperature
It is 120-150 °, the time is 30 minutes.
9. frosted PET hot pressing silica gel material as described in claim 1, which is characterized in that the multilayer frosted PET hot pressing silicon
The preparation method of glue material, following steps:
Step 1, it will be toasted after PET layers of progress single side frosted processing, obtain frosted pet layer；
Step 2, by heat conductive silica gel, conductive powder body, catalyst, crosslinking agent, inhibitor, heat conductive silica gel is made in mixing；
Step 3, by obtained frosted pet layer, heat conduction silicone, PI composite layer or glass fiber composite successively through three-roller calendaring
After machine, two-roll calendar, into oven.
10. frosted PET hot pressing silica gel material as claimed in claim 9, which is characterized in that in step 1, the baking temperature
It is 120-150 °, the time is 30 minutes.
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