CN106753201A - A kind of automotive electronics label silicon rubber bonder and preparation method thereof - Google Patents
A kind of automotive electronics label silicon rubber bonder and preparation method thereof Download PDFInfo
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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
- C09J183/00—Adhesives based on 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; Adhesives based on derivatives of such polymers
- C09J183/04—Polysiloxanes
- C09J183/06—Polysiloxanes containing silicon bound to oxygen-containing groups
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
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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
- C08K3/36—Silica
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
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- C08K5/10—Esters; Ether-esters
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
- C08K5/541—Silicon-containing compounds containing oxygen
- C08K5/5415—Silicon-containing compounds containing oxygen containing at least one Si—O bond
- C08K5/5419—Silicon-containing compounds containing oxygen containing at least one Si—O bond containing at least one Si—C bond
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
- C08K5/541—Silicon-containing compounds containing oxygen
- C08K5/5425—Silicon-containing compounds containing oxygen containing at least one C=C bond
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
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- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
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- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
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Abstract
The invention provides a kind of automotive electronics label silicon rubber bonder and preparation method thereof, belong to silicone rubber applications technical field.The raw material of silicon rubber bonder includes sizing and auxiliary material, and addition weight of the auxiliary material with 100 parts of sizings as weight basis is：1~8 part of crosslinking agent, 0.01~0.5 part of catalyst, 0.1~2 part of co-catalyst, 0.5~5 part of tackifier, 0.1~2 part of deep layer adhesion promoters, wherein sizing include 70~88 parts of hydroxyl-terminated injecting two methyl siloxane, 12~30 parts of the reinforced filling counted by weight.Binding agent of the present invention is a kind of single-component room-temperature-vulsilicone silicone rubber of de- acetic acid type, for bonding automotive electronics label, good performance requirement, easy to operate and with rapid link effect can be not only reached, 1 hour adhesive strength is 3~4 times of the usual silicone rubber under the conditions of.
Description
Technical field
The present invention relates to a kind of silicon rubber binding agent, in particular it relates to a kind of automotive electronics label is de-
Acetic acid type silicon rubber bonder and preparation method thereof, belongs to silicone rubber applications technical field.
Background technology
Silicon rubber possesses excellent high and low temperature resistance, can be in addition also equipped with good in -60 DEG C to 200 DEG C long-term uses
UV resistance, radiation-resistant property, oxytolerant ageing properties, chemical stability and electrical insulation properties, obtained in various fields
To extensive use.Silicon rubber can be divided into one pack system and two-component room-temperature-vulcanized silicone rubber by its manner of packing, by vulcanization mechanism again
Condensed type and add-on type can be divided into.One-component condensed type silicon rubber can be divided into again by different vulcanizing groups dealcoholized type, de-oxime type,
De- acetic acid type, deacetone, de amide type etc.；Wherein, taking off acetic acid type room temperature vulcanized silicone rubber has that curingprocess rate is fast, transparency
Various base materials, especially glass, ceramics, high temperature gum base materials are had excellent adhesive property by the advantages of high and low poison ring is protected.But it is single
Component room temperature vulcanization silicon rubber is vulcanized by the moisture in ingress of air, when two base materials to be bonded are airtight and viscous
When junction product is larger, moisture smoothly cannot enter inside adhesive linkage, the problem for causing to vulcanize inside adhesive linkage, it is impossible to reach
Good adhesive effect and adhesive strength.
Vehicle electron identifying（electronic registration identification of the motor
Vehicle, abbreviation ERI）Also automobile electronic identity card, Digital Automobile multi-standard source are, " electronic license plate " are commonly called as, by license plate number
The information Stores such as code in RF tag, can automatically, noncontact, not parking the identification and monitoring for completing vehicle.Automobile electricity
Sub-mark is formulated and promoted by state ministry of public security, is sought unity of standard by Public Security Department of the Ministry of Public Security, unified to carry out, unified pipe
Reason.At present, the Ministry of Public Security is actively pushing forward vehicle electron identifying related work with Ministry of Industry and Information, it is contemplated that complete within 2014 whole newly organized
Research and development and national standard authorized strength work, carry out Demonstration Application, improved and complete application in 2016 and policy safeguard in 2015.At present,
The base material that vehicle electron identifying is used is ceramic substrate（100mm*60mm）, installation site is automobile windscreen inner.Such as
What is pasted in vehicle electron identifying problem, presently, there are two kinds of Binding schemes：Two-sided glue sticking and silicon rubber are bonded.Scheme one is
Pasted using strong double-face glue.The advantage of the program is strong easy to operate, initial bonding strength；Have the disadvantage double faced adhesive tape high temperature resistant, resistance to
The poor performances such as water, UV resistance, under suitable conditions（Such as it is heated to 100 DEG C）, electronic mark completely can be removed easily.
Scheme two is bonded electronic mark using silicon rubber, and its resistance to environmental aging performance will be substantially better than scheme one, but it has the disadvantage single group
Part room temperature vulcanized silicone rubber is progressively solidified by steam in ingress of air, and the short time cannot deep layer vulcanization, potsherd middle part silicon rubber
Glue vulcanization is incomplete, largely reduces the adhesive effect of silicon rubber.Especially at the bonding initial stage（In 2 hours）, it is only ceramic
The silicon rubber vulcanization of substrate edge, after such as destroying adhesive linkage edge using cutter, fret saw instrument, can be by electronic mark
It is complete to remove.Based on this, develop the high intensity that a kind of automotive electronics label is equipped with, can rapid deep zone bonding, with good
The de- acetic acid type room temperature vulcanized silicone rubber of the one-component of good tamper effect is very necessary.
The content of the invention
It is a first objective of the present invention to provide a kind of automotive electronics label silicon rubber bonder.The binding agent is one
The single-component room-temperature-vulsilicone silicone rubber of de- acetic acid type is planted, for bonding automotive electronics label, can not only reach good performance will
Ask, it is easy to operate and with rapid link effect, 1 hour adhesive strength is 3~4 times of the usual silicone rubber under the conditions of.
Another object of the present invention is to, there is provided a kind of preparation method of automotive electronics label silicon rubber bonder.
For achieving the above object, the technology used in the present invention method is as follows：
A kind of automotive electronics label silicon rubber bonder, it is characterised in that：Raw material includes sizing and auxiliary material, the auxiliary material
With 100 parts of sizings as the addition weight of weight basis is：
1~8 part of crosslinking agent
0.01~0.5 part of catalyst
0.1~2 part of co-catalyst
0.5~5 part of tackifier
0.1~2 part of deep layer adhesion promoters
The sizing includes 70~88 parts of hydroxyl-terminated injecting two methyl siloxane, the reinforced filling 12~30 counted by weight
Part.
Wherein, the hydroxyl-terminated injecting two methyl siloxane is 107 glue, is the poly- of 3000~20000mPaS selected from viscosity
One kind or any several mixture in siloxanes.It is preferred that 107 glue of 5000~10000mPaS viscosity.
The reinforced filling is hydrophilic or hydrophobic type fume colloidal silica.Wherein preferred hydrophobic type fume colloidal silica,
Most preferably 100~the 300m of specific surface area of silazane treatment2The hydrophobic type fume colloidal silica of/g.
The crosslinking agent be methyl triacetoxysilane, ethyltriacetoxysilane, propyl group triacetoxysilane,
At least one in vinyltriacetoxy silane.
The catalyst is at least in dibutyl tin dilaurate, dibutyl tin dioctoate, dibutyl tin acetate
Kind.
The co-catalyst is containing zinc（Zn）, titanium（Ti）Or molybdenum（Mo）Deng the compound of element；Further, as metatitanic acid four is different
It is propyl ester, tetrabutyl titanate, double（Ethyl acetoacetate）Metatitanic acid diisopropyl ester, the tert-butyl ester of metatitanic acid four, zinc acetate, the sulphur of dibutyl two
For at least one in carbaminate, zinc dibutyl dithiophosphate, acetyl acetone, dibutyl dithio molybdenum phosphate.
The tackifier are di-t-butyl diacetyl oxosilane.
The deep layer adhesion promoters are many alkoxy silanes；Further, such as vinyltrimethoxy silane, vinyl three
Ethoxysilane, MTMS, tetramethoxy-silicane, tetraethyl orthosilicate, γ-chloropropyl triethoxysilane, γ-
R-chloropropyl trimethoxyl silane, γ-glycidyl ether oxygen propyl trimethoxy silicane, γ-methacryloxypropyl front three
At least one in TMOS.
The preparation method of automotive electronics label silicon rubber bonder of the present invention is：First by 107 silicon rubber, benefit
Strong filler distinguishes metered homogenizer, is warming up to 160 DEG C of dryings 20~30 minutes；Planetary mixer is then moved into take out very
Idle discharge is steeped 30~60 minutes；Metered crosslinking agent, tackifier, deep layer adhesion promoters are pressed again, and 30 are mixed under vacuum
~60 minutes, finally metered catalyst, co-catalyst again, vacuum mixes 30~60 minutes, in the protection of inert gas
Lower filtering is obtained final product in the PP pipes of isolation air.
Compared with prior art, the present invention has advantages below:
1st, the present invention is with hydroxyl-terminated injecting two methyl siloxane（107 glue）, based on reinforced filling on the basis of sizing material, lead to
Cross by crosslinking agent, catalyst, co-catalyst, tackifier, five kinds of auxiliary materials of deep layer adhesion promoters simultaneously compatibility use, especially with
Viscosity is 107 silicon rubber, hydrophilic or the hydrophobic type fume colloidal silica polysiloxanes of 3000~20000mPaS for reinforcement is filled out
Material, adds 1~8 part of crosslinking agent, 0.01~0.5 part of catalyst, 0.1~2 part of co-catalyst, thickening in 100 parts of sizings
0.5~5 part of agent, 0.1~2 part of deep layer adhesion promoters are formulated, the de- acetic acid type room temperature vulcanization silicon rubber of one-component of acquisition
Glue, not only sizing material is easy to use, and has the advantages that curingprocess rate is fast, the high and low poison ring of transparency is protected, therefore as automobile electricity
The binding agent of subtab, decapacitation is reached outside good performance requirement, while also having easy to operate, rapid link, viscose glue strong
Degree effect high, 1 hour adhesive strength is 3~4 times of the usual silicone rubber under the conditions of.
2nd, the present invention can simultaneously assign sizing material existing excellent thixotropy using fume colloidal silica as reinforced filling,
There is mechanicalness higher again.
3rd, the present invention is using containing zinc（Zn）, titanium（Ti）Or molybdenum（Mo）Compound Deng element is co-catalyst, relatively common
De- acetic acid type silicon rubber has faster curingprocess rate and deep layer vulcanization performance.
4th, it is deep layer adhesion promoters that the present invention uses many alkoxy silanes, and there is relatively common silicon rubber deep layer vulcanization to glue
Performance and more preferable initial bonding strength are connect, good bonding can be formed to automotive electronics label in a short time, so that high degree
On shorten set-up time of automotive electronics label.
5th, the preparation method of silicon rubber of the present invention is simple, and production equipment is conventional equipment, with short production cycle, and production process
Middle three wastes are produced, environment-friendly.
In a word, using silicon rubber of the present invention as automotive electronics label bonding agent, compared with acrylate pressure-sensitive adhesive and ordinary silicon
Rubber has more preferable adhesive strength, high-low temperature resistant, ultraviolet aging resistance and Anti-dismantling, is the popularization and application of automotive electronics label
There is provided reliable guarantee.
Specific embodiment
With reference to embodiment, the present invention, but embodiments of the present invention not limited to this are expanded on further, it is all based on this hair
The technology that bright the above is realized belongs to the scope of the present invention.
The testing standard and method of the indices foundation of silicon rubber bonder of the present invention be：
1st, mechanical property is characterized by the standard testing of GB defined：Wherein, tensile strength and elongation at break press GB/T 528-
2009th, Shore A hardness presses the method measure of GB/T 531-2008.
2nd, adhesive property tests ceramics-glass shear strength by the method for GB GB/T 7124-2008 defineds.
Embodiment 1
First by 85 parts of 107 silicon rubber of 5000mPaS viscosity, the specific surface area 200m of silazane treatment2The vapor phase method of/g is white
15 parts of carbon black, adds homogenizer, is warming up to 160 DEG C of dryings 30 minutes；Then move into planetary mixer and vacuumize row's bubble 45
Minute, add 3 parts of methyl triacetoxysilane, 2 parts of ethyltriacetoxysilane, di-t-butyl diacetyl silane
0.5 part, 1 part of vinyltrimethoxy silane mixes 30 minutes under vacuum, finally adds dibutyl tin dilaurate
0.02 part, 0.5 part of tetrabutyl titanate, vacuum mix 40 minutes, and the PP in isolation air is filtered under the protection of inert gas
In pipe, automotive electronics label silicon rubber bonder is obtained final product.
Gained bonding agent is made mechanics and hardness test sample according to GB/T 528-2009, GB/T 531-2008 respectively
Piece, vulcanizes 7 days under the conditions of 25 DEG C, relative humidity 50%, tests its tensile strength, elongation at break, Shao Er A hardness；According to
GB/T 7124-2008 are made shearing sample, vulcanize 60 minutes under the conditions of 25 DEG C, relative humidity 50%, test it at 25 DEG C and
Shear strength at a temperature of 100 DEG C, test result is shown in Table 1.
Embodiment 2
First by 88 parts of 107 silicon rubber of 10000mPaS viscosity, the specific surface area 200m of silazane treatment2The vapor phase method of/g is white
12 parts of carbon black, adds homogenizer, is warming up to 160 DEG C of dryings 30 minutes；Then move into planetary mixer and vacuumize row's bubble 40
Minute；Add 5 parts of ethyltriacetoxysilane, 1 part of di-t-butyl diacetyl silane, γ-glycidyl ether oxygen propyl
1.5 parts of trimethoxy silane, mixes 30 minutes under vacuum, finally adds 0.03 part of dibutyl tin acetate, metatitanic acid
Four 0.8 part of isopropyl esters, vacuum mixes 60 minutes, is filtered under the protection of inert gas in the PP pipes of isolation air, obtains final product vapour
Car electronic tag silicon rubber bonder.
Gained bonding agent is made mechanics and hardness test sample according to GB/T 528-2009, GB/T 531-2008 respectively
Piece, vulcanizes 7 days under the conditions of 25 DEG C, relative humidity 50%, tests its tensile strength, elongation at break, Shao Er A hardness；According to
GB/T 7124-2008 are made shearing sample, vulcanize 60 minutes under the conditions of 25 DEG C, relative humidity 50%, test it at 25 DEG C and
Shear strength at a temperature of 100 DEG C, test result is shown in Table 1.
Embodiment 3
First by 85 parts of 107 silicon rubber of 5000mPaS viscosity, the specific surface area 200m of silazane treatment2The vapor phase method of/g is white
15 parts of carbon black, adds homogenizer, is warming up to 160 DEG C of dryings 30 minutes；Then move into planetary mixer and vacuumize row's bubble 45
Minute；Add 2 parts of vinyltriacetoxy silane, 3 parts of ethyltriacetoxysilane, di-t-butyl diacetyl silane
1 part, 0.8 part of tetraethyl orthosilicate, under vacuum mix 30 minutes, finally add 0.02 part of dibutyl tin dilaurate,
0.3 part of acetyl acetone, vacuum mixes 60 minutes, is filtered under the protection of inert gas in the PP pipes of isolation air, obtains final product
Automotive electronics label silicon rubber bonder.
Gained bonding agent is made mechanics and hardness test sample according to GB/T 528-2009, GB/T 531-2008 respectively
Piece, vulcanizes 7 days under the conditions of 25 DEG C, relative humidity 50%, tests its tensile strength, elongation at break, Shao Er A hardness；According to
GB/T 7124-2008 are made shearing sample, vulcanize 60 minutes under the conditions of 25 DEG C, relative humidity 50%, test it at 25 DEG C and
Shear strength at a temperature of 100 DEG C, test result is shown in Table 1.
Embodiment 4
First by 82 parts of the 107 silicon rubber of 8000mPaS viscosity, the specific surface area 150m of silazane treatment2The vapor phase method hard charcoal of/g
Black 18 parts, homogenizer is added, be warming up to 160 DEG C of dryings 30 minutes；Then move into planetary mixer and vacuumize 50 points of row's bubble
Clock；Add 3.5 parts of methyl triacetoxysilane, 1.5 parts of propyl group triacetoxysilane, di-t-butyl diacetyl silane
0.5 part, 1 part of vinyltrimethoxy silane, 0.5 part of γ-r-chloropropyl trimethoxyl silane mix 30 points under vacuum
Clock, finally adds 0.05 part of dibutyl tin dioctoate, double（Ethyl acetoacetate）0.5 part of metatitanic acid diisopropyl ester, dibutyl two
0.3 part of D2EHDTPA zinc, vacuum mixes 60 minutes, is filtered under the protection of inert gas in the PP pipes of isolation air, obtains final product
Automotive electronics label silicon rubber bonder.
Gained bonding agent is made mechanics and hardness test sample according to GB/T 528-2009, GB/T 531-2008 respectively
Piece, vulcanizes 7 days under the conditions of 25 DEG C, relative humidity 50%, tests its tensile strength, elongation at break, Shao Er A hardness；According to
GB/T 7124-2008 are made shearing sample, vulcanize 60 minutes under the conditions of 25 DEG C, relative humidity 50%, test it at 25 DEG C and
Shear strength at a temperature of 100 DEG C, test result is shown in Table 1.
Embodiment 5
First by 85 parts of the 107 silicon rubber of 10000mPaS viscosity, the specific surface area 150m of silazane treatment2The vapor phase method hard charcoal of/g
Black 15 parts, homogenizer is added, be warming up to 160 DEG C of dryings 30 minutes；Then move into planetary mixer and vacuumize 50 points of row's bubble
Clock；Add 3.5 parts of methyl triacetoxysilane, 1.5 parts of vinyltriacetoxy silane, di-t-butyl diacetyl silane
1 part, 1 part of tetramethoxy-silicane, 0.5 part of γ-methacryloxypropyl trimethoxy silane mix 30 under vacuum
Minute, finally add 0.05 part of dibutyl tin dioctoate, 0.5 part of dibutyl dithio molybdenum phosphate, dibutyl dithio phosphoric acid
0.5 part of zinc, vacuum mixes 60 minutes, is filtered under the protection of inert gas in the PP pipes of isolation air, obtains final product automotive electronics
Label silicon rubber bonder.
Gained bonding agent is made mechanics and hardness test sample according to GB/T 528-2009, GB/T 531-2008 respectively
Piece, vulcanizes 7 days under the conditions of 25 DEG C, relative humidity 50%, tests its tensile strength, elongation at break, Shao Er A hardness；According to
GB/T 7124-2008 are made shearing sample, vulcanize 60 minutes under the conditions of 25 DEG C, relative humidity 50%, test it at 25 DEG C and
Shear strength at a temperature of 100 DEG C, test result is shown in Table 1.
Embodiment 6
First by 70 parts of 107 silicon rubber of 3000mPaS viscosity, the specific surface area 300m of silazane treatment2The vapor phase method of/g is white
30 parts of carbon black, adds homogenizer, is warming up to 160 DEG C of dryings 20 minutes；Then move into planetary mixer and vacuumize row's bubble 60
Minute；2 parts of methyl triacetoxysilane, 3 parts of ethyltriacetoxysilane, 3 parts of propyl group triacetoxysilane are added,
3 parts of di-t-butyl diacetyl silane, 1 part of vinyltrimethoxy silane, 1 part of MTMS, in vacuum condition
Lower mixing 60 minutes, finally adds 0.01 part of dibutyl tin dilaurate, 1 part of tetrabutyl titanate, 1 part of zinc acetate, vacuum
Mixing 50 minutes, filters in the PP pipes of isolation air under the protection of inert gas, obtains final product automotive electronics label silicon rubber
Bonding agent.
Gained bonding agent is made mechanics and hardness test sample according to GB/T 528-2009, GB/T 531-2008 respectively
Piece, vulcanizes 7 days under the conditions of 25 DEG C, relative humidity 50%, tests its tensile strength, elongation at break, Shao Er A hardness；According to
GB/T 7124-2008 are made shearing sample, vulcanize 60 minutes under the conditions of 25 DEG C, relative humidity 50%, test it at 25 DEG C and
Shear strength at a temperature of 100 DEG C, test result is shown in Table 1.
Embodiment 7
First by 80 parts of 107 silicon rubber of 20000mPaS viscosity, the specific surface area 100m of silazane treatment2The vapor phase method of/g is white
20 parts of carbon black, adds homogenizer, is warming up to 160 DEG C of dryings 30 minutes；Then move into planetary mixer and vacuumize row's bubble 30
Minute；Add 1 part of ethyltriacetoxysilane, 5 parts of di-t-butyl diacetyl silane, MTMS 0.1
Part, mix 40 minutes under vacuum, 0.5 part of dibutyl tin dilaurate, 0.1 part of tetraisopropyl titanate are finally added,
Vacuum mixes 30 minutes, is filtered under the protection of inert gas in the PP pipes of isolation air, obtains final product automotive electronics label silicon
Rubber adhesive.
Gained bonding agent is made mechanics and hardness test sample according to GB/T 528-2009, GB/T 531-2008 respectively
Piece, vulcanizes 7 days under the conditions of 25 DEG C, relative humidity 50%, tests its tensile strength, elongation at break, Shao Er A hardness；According to
GB/T 7124-2008 are made shearing sample, vulcanize 60 minutes under the conditions of 25 DEG C, relative humidity 50%, test it at 25 DEG C and
Shear strength at a temperature of 100 DEG C, test result is shown in Table 1.
Embodiment 8
First by 75 parts of 107 silicon rubber of 15000mPaS viscosity, the specific surface area 250m of silazane treatment2The vapor phase method of/g is white
25 parts of carbon black, adds homogenizer, is warming up to 160 DEG C of dryings 20 minutes；Then move into planetary mixer and vacuumize row's bubble 50
Minute；Add 1 part of ethyltriacetoxysilane, 2 parts of propyl group triacetoxysilane, di-t-butyl diacetyl silane 2
Part, 0.5 part of γ-methacryloxypropyl trimethoxy silane, mix 35 minutes under vacuum, finally add two
0.2 part of butyl tin dilaurate tin, 0.1 part of dibutyl tin acetate, 0.5 part of tetraisopropyl titanate, dibutyl dithio molybdenum phosphate 1
Part, vacuum mixes 45 minutes, is filtered under the protection of inert gas in the PP pipes of isolation air, obtains final product automotive electronics label use
Silicon rubber bonder.
Gained bonding agent is made mechanics and hardness test sample according to GB/T 528-2009, GB/T 531-2008 respectively
Piece, vulcanizes 7 days under the conditions of 25 DEG C, relative humidity 50%, tests its tensile strength, elongation at break, Shao Er A hardness；According to
GB/T 7124-2008 are made shearing sample, vulcanize 60 minutes under the conditions of 25 DEG C, relative humidity 50%, test it at 25 DEG C and
Shear strength at a temperature of 100 DEG C, test result is shown in Table 1.
Comparative example 1（It is not added with co-catalyst, deep layer adhesion promoters）
First by 85 parts of the 107 silicon rubber of 5000mPaS viscosity, the specific surface area 200m of silazane treatment2The vapor phase method hard charcoal of/g
Black 15 parts, homogenizer is added, be warming up to 160 DEG C of dryings 30 minutes；Then move into planetary mixer and vacuumize 45 points of row's bubble
Clock；5 parts of methyl triacetoxysilane, 1 part of di-t-butyl diacetyl silane are added, 30 points are mixed under vacuum
Clock, finally adds 0.02 part of dibutyl tin dilaurate, and vacuum mixes 60 minutes, filtered under the protection of inert gas
Completely cut off in the PP pipes of air, obtain final product silicon rubber bonder.
Gained bonding agent is made mechanics and hardness test sample according to GB/T 528-2009, GB/T 531-2008 respectively
Piece, vulcanizes 7 days under the conditions of 25 DEG C, relative humidity 50%, tests its tensile strength, elongation at break, Shao Er A hardness；According to
GB/T 7124-2008 are made shearing sample, vulcanize 60 minutes under the conditions of 25 DEG C, relative humidity 50%, test it at 25 DEG C and
Shear strength at a temperature of 100 DEG C, test result is shown in Table 1.
Comparative example 2（It is not added with co-catalyst, deep layer adhesion promoters）
First by 82 parts of the 107 silicon rubber of 8000mPaS viscosity, the specific surface area 150m of silazane treatment2The vapor phase method hard charcoal of/g
Black 18 parts, homogenizer is added, be warming up to 160 DEG C of dryings 30 minutes；Then move into planetary mixer and vacuumize 45 points of row's bubble
Clock；Add 3 parts of methyl triacetoxysilane, 2 parts of ethyltriacetoxysilane, 1 part of di-t-butyl diacetyl silane,
Mix 30 minutes under vacuum, finally add 0.02 part of dibutyl tin dilaurate, vacuum mixes 60 minutes, lazy
Property gas protection under filter isolation air PP pipe in, obtain final product silicon rubber bonder.
Gained bonding agent is made mechanics and hardness test sample according to GB/T 528-2009, GB/T 531-2008 respectively
Piece, vulcanizes 7 days under the conditions of 25 DEG C, relative humidity 50%, tests its tensile strength, elongation at break, Shao Er A hardness；According to
GB/T 7124-2008 are made shearing sample, vulcanize 60 minutes under the conditions of 25 DEG C, relative humidity 50%, test it at 25 DEG C and
Shear strength at a temperature of 100 DEG C, test result is shown in Table 1.
Comparative example 3（Acrylate pressure-sensitive adhesive）
By 3M companies VHB-4595 type double faced adhesive tapes, shearing sample is made according to GB/T 7124-2008, in 25 DEG C, relative humidity
It is bonded respectively under the conditions of 50% 30,60 minutes, tests its shear strength at a temperature of 25 DEG C and 100 DEG C, the results are shown in Table 1.
Be can be seen that from table 1：
Although the 1, embodiment 1-8 and comparative example 1, the test result of comparative example 2, do not have too big difference in mechanical property,
The shear strength of 30min, 60min（Ceramics-glass）, embodiment 1-8 is 3~4 times of comparative example, shows to be developed using the present invention
Automotive electronics label silicon rubber bonder can significantly shorten set-up time of automotive electronics label first, will be original several small
When set-up time foreshorten to 30~60 minutes, drastically increase the installation effectiveness of electronic tag；Secondly silicon rubber 30~
Initial bonding strength in 60min is greatly improved, and can prevent automotive electronics label from artificially being pulled down at the installation initial stage, changed.
Although the 2, comparative example 3 bonding initially just have certain initial adhesive strength, its shear strength be bonded the time extension
Vary less, but when temperature rises to 100 DEG C, the adhesive strength of comparative example 3 then can sharp-decay, show using appropriate heater
Tool can easily, intactly remove the automotive electronics label that acrylate pressure-sensitive adhesive is bonded, and change to other vehicles or will be with original
The unmatched electronic tag of vehicle is attached to the vehicle, and " one-car-one-card " principle when this sets up with automotive electronics label is disagreed
The back of the body, the management in the future to automotive electronics label is extremely disadvantageous.
Embodiment described above is of the invention only for preferably illustrating, and the scope being not intended to limit the invention, all bases
Any modification, equivalent, improvement made in the above of the present invention etc., each falls within the scope of the present invention.
Claims (10)
1. a kind of automotive electronics label silicon rubber bonder, it is characterised in that：Raw material includes sizing and auxiliary material, described auxiliary
Expect that the addition weight with 100 parts of sizings as weight basis is：
1~8 part of crosslinking agent
0.01~0.5 part of catalyst
0.1~2 part of co-catalyst
0.5~5 part of tackifier
0.1~2 part of deep layer adhesion promoters
The sizing includes 70~88 parts of hydroxyl-terminated injecting two methyl siloxane, the reinforced filling 12~30 counted by weight
Part.
2. a kind of automotive electronics label silicon rubber bonder according to claim 1, it is characterised in that：The terminal hydroxy group
Dimethyl silicone polymer is one kind or any several mixing in the polysiloxanes of 3000~20000mPaS selected from viscosity
Thing.
3. a kind of automotive electronics label silicon rubber bonder according to claim 1, it is characterised in that：The reinforcement is filled out
Expect to be hydrophilic or hydrophobic type fume colloidal silica.
4. a kind of automotive electronics label silicon rubber bonder according to claim 1 or 3, it is characterised in that：The benefit
Strong filler is the 100~300m of specific surface area of silazane treatment2The hydrophobic type fume colloidal silica of/g.
5. a kind of automotive electronics label silicon rubber bonder according to claim 1, it is characterised in that：The crosslinking agent
It is methyl triacetoxysilane, ethyltriacetoxysilane, propyl group triacetoxysilane, vinyl triacetoxy silicon
At least one in alkane.
6. a kind of automotive electronics label silicon rubber bonder according to claim 1, it is characterised in that：The catalyst
It is at least one in dibutyl tin dilaurate, dibutyl tin dioctoate, dibutyl tin acetate.
7. a kind of automotive electronics label silicon rubber bonder according to claim 1, it is characterised in that：The co-catalysis
Agent is the compound containing zinc, titanium or molybdenum element, including：It is tetraisopropyl titanate, tetrabutyl titanate, double（Ethyl acetoacetate）Titanium
Sour diisopropyl ester, the tert-butyl ester of metatitanic acid four, zinc acetate, zinc dibutyl dithiocarbamate, zinc dibutyl dithiophosphate, acetyl
At least one in acetone molybdenum, dibutyl dithio molybdenum phosphate.
8. a kind of automotive electronics label silicon rubber bonder according to claim 1, it is characterised in that：The tackifier
It is di-t-butyl diacetyl oxosilane.
9. a kind of automotive electronics label silicon rubber bonder according to claim 1, it is characterised in that：The deep layer is glued
Accelerator is connect for many alkoxy silanes, including：Vinyltrimethoxy silane, VTES, methyl trimethoxy oxygen
Base silane, tetramethoxy-silicane, tetraethyl orthosilicate, γ-chloropropyl triethoxysilane, γ-r-chloropropyl trimethoxyl silane,
In γ-glycidyl ether oxygen propyl trimethoxy silicane, γ-methacryloxypropyl trimethoxy silane at least one
Kind.
10. a kind of automotive electronics label silicon rubber bonder as described in any one in claim 1-9, its feature are prepared
It is that specific method is：107 silicon rubber, reinforced filling are first distinguished into metered homogenizer, 160 DEG C of dryings are warming up to
20~30 minutes；Then move into planetary mixer and vacuumize row's bubble 30~60 minutes；Again by metered crosslinking agent, tackifier,
Deep layer adhesion promoters, mix 30~60 minutes under vacuum, finally metered catalyst, co-catalyst, vacuum again
Mixing 30~60 minutes, filters under the protection of inert gas and is obtained final product in the PP pipes of isolation air.
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| CN111394054A (en) * | 2020-03-24 | 2020-07-10 | 新安天玉有机硅有限公司 | Silicone rubber for self-adhesive tape and preparation method thereof |
| CN111334245A (en) * | 2020-04-16 | 2020-06-26 | 中科新镧系(厦门)科技有限公司 | Dealcoholized excellent-yellowing-resistance organosilicon sealant and preparation method thereof |
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