CN105713543B - A kind of good acrylate structural adhesive of impact resistance - Google Patents
A kind of good acrylate structural adhesive of impact resistance Download PDFInfo
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- CN105713543B CN105713543B CN201610273007.XA CN201610273007A CN105713543B CN 105713543 B CN105713543 B CN 105713543B CN 201610273007 A CN201610273007 A CN 201610273007A CN 105713543 B CN105713543 B CN 105713543B
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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
- C09J155/00—Adhesives based on homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C09J123/00 - C09J153/00
- C09J155/02—ABS [Acrylonitrile-Butadiene-Styrene] 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
- 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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- 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
- C09J153/00—Adhesives based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
- C09J153/02—Vinyl aromatic monomers and conjugated dienes
-
- 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
- C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention belongs to adhesive technical field, more particularly to the acrylate structural adhesive that a kind of impact resistance is good, and it contains the rigid functional group of hydrogenated bisphenol A offer and methacrylate functional, can increase solidification pull strength and impact resistance；Toughened resin is added, impact resistance can be greatly enhanced；The curing agent content of high addition ratio can ensure that whole system quickly carries out reaction solidification in B component；3-5min of cold curing, 70 DEG C of hot pressings only need 60s；Impact resistance is good, can be tested by dise knife, and cutting a little can also keep powerful bonding force；Positive pull strength is high, is tested through positive pulling capacity, and pulling capacity is typically required more than 20Kg at fastener or fastener comes off；High-temp resisting high-humidity resisting performance is good, 60 DEG C, under 90% damp condition, and 7 days intensity is without being decreased obviously.
Description
Technical field
The invention belongs to adhesive technical field, more particularly to the acrylate structural adhesive that a kind of impact resistance is good.
Background technology
In the electronic equipment manufacturings such as notebook computer, mobile phone, housing parts need adhesive bonding to assemble more, such as
The notebook computer A cover almag plate and structural bond of working of plastics, C cover almag plate and working of plastics
Structural bond of structural bond, working of plastics and working of plastics etc.；The material of working of plastics includes：Carbon fiber, fiberglass reinforced plastics, ABS+
PC, PC+PC etc..
The bonding of usual housing uses traditional 1 more:1 (volume ratio) SGA, but exist initial adhesive strength it is low, solidification
The shortcomings of speed is slow, poor impact resistance, positive pull strength are low, high-temp resisting high-humidity resisting performance difference.
The content of the invention
The present invention is directed to above-mentioned the shortcomings of the prior art, there is provided a kind of good acrylate structural adhesive of impact resistance.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：A kind of good acrylate structural adhesive of impact resistance,
Its component is 10 by volume by component A and B component:1 composition；
Wherein described component A includes by weight percentage：Acrylate monomer 30~45%, modified polyurethane propylene
Acid esters 10~20%, methacrylic acid 5~10%, toughness reinforcing filler 20~40%, accelerator 1~2% and stabilizer 0.1~
0.2%；
Described B component includes by weight percentage：Epoxy resin 25~30%, tackifying resin 10~15%, plasticising
Agent 15~20%, curing agent 30~40% and filler 4~10%.
Wherein, the acrylate monomer described in component A is methyl methacrylate, hydroxyethyl methacrylate or methyl
One or more kinds of mixing of hydroxypropyl acrylate.
Modified urethane acrylate described in component A is by TDI, hydrogenated bisphenol A, PTMG2000, methacrylic acid
Resin made from hydroxyl ethyl ester and hydroxy propyl methacrylate synthesis.
Beneficial effect using above-mentioned further scheme is that hydrogenated bisphenol A provides the rigid of hard section, and PTMG2000 is carried
For the pliability and impact resistance of soft segment, hydroxyethyl methacrylate, hydroxy propyl methacrylate carry out synthesis end-blocking, there is provided tree
Methacrylate functional needed for fat.
Toughness reinforcing filler described in component A is ABS, MBS or SBS one or more kinds of mixing.
Accelerator described in component A is triphenylphosphine, N, N- dimethyl-p-toluidines or N, N- dimethyl ortho-aminotoluene
One or more kinds of mixing.
Stabilizer described in component A is for hydroquinones, tetrasodium ethylenediamine tetraacetate or to one or both of naphthoquinones
It is mixed above.
Epoxy resin described in B component mixes for E-51 epoxy resin or the one or two kinds of of EP828 epoxy resin.
Tackifying resin described in B component mixes for PPG or the one or two kinds of of PEPA.
Plasticizer described in B component mixes for benzoic ether or the one or two kinds of of phthalate.
Curing agent described in B component mixes for benzoyl peroxide or the one or two kinds of of lauroyl peroxide.
Filler described in B component mixes for calcium carbonate or the one or two kinds of of silica flour.
The preparation method of the good acrylate structural adhesive of impact resistance described above, step are as follows：
(1) 30~45% acrylate monomer, 10~20% modified urethane acrylate and 5~10% are weighed
Methacrylic acid, sequentially add in double-planet power mixer, 30min is stirred with 500~1000r/min speed；Again successively
20~40% toughness reinforcing filler and 1~2% accelerator is added, stirs 1h, leads to circulating water cooling to 25 DEG C；Add 0.1~
0.2% stabilizer, 25 DEG C of temperature control, 1h is stirred with 500~1000r/min speed, is evacuated to≤- 0.09MPa, low speed takes off
1h is steeped, to stirring, removing bubble, filtering, filling, sealing, obtains component A；
(2) 25~30% epoxy resin, 10~15% tackifying resin and 15~20% plasticizer are weighed, is added successively
Enter in double-planet power mixer, 30min is stirred with 500~1000r/min speed；4~10% filler is sequentially added,
1h is stirred, leads to circulating water cooling to 25 DEG C；Add 30~40% curing agent, 25 DEG C of temperature control, with 500~1000r/min speed
Degree stirring 1h, is evacuated to≤- 0.09MPa, low speed deaeration 1h, to stirring, removing bubble, filters, be filling, sealing, i.e.,
Obtain B component；
(3) by B component made from component A made from step (1) and step (2) by volume 10:1 is mixing cured, is made
Acrylate structural adhesive.
The features of the present invention and beneficial effect are：
1st, acrylate structural adhesive resin containing modified urethane acrylate produced by the present invention, is carried containing hydrogenated bisphenol A
The rigid functional group of confession and methacrylate functional, solidification pull strength and impact resistance can be increased；Coordinate to add and increase
Tough resin, impact resistance can be greatly enhanced；The curing agent content of high addition ratio can ensure that whole system is quick in B component
Carry out reaction solidification.
2nd, acrylate structural adhesive curing rate produced by the present invention is fast, general 3-5min of cold curing, 70 DEG C of hot pressings
Only need 60s；Impact resistance is good, can be tested by dise knife, and jacking strength is high, and cutting to peel off again at one can also keep continuous tough
Bonding force；Positive pull strength is high, is tested through positive pulling capacity, and pulling capacity is typically required more than 20Kg at fastener or fastener takes off
Fall；High-temp resisting high-humidity resisting performance is good, 60 DEG C, under 90% damp condition, and 7 days intensity is without being decreased obviously.
Embodiment
The principle and feature of the present invention are described below in conjunction with example, the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
Embodiment 1
A kind of good acrylate structural adhesive of impact resistance, its component are 10 by volume by component A and B component:1 group
Into；
Wherein described component A includes by weight percentage：Methyl methacrylate 40%, modified polyurethane acrylic acid
Ester 16.4%, methacrylic acid 7%, ABS resin 35%, N, N- dimethyl-p-toluidines 1.5% and hydroquinones 0.1%；
Described B component includes by weight percentage：E-51 epoxy resin 30%, PPG 10%, benzoic acid
Ester 20%, benzoyl peroxide 30% and calcium carbonate 10%.
The preparation method of the good acrylate structural adhesive of above-mentioned impact resistance, step are as follows：
(1) 40% methyl methacrylate, 16.4% modified urethane acrylate and 7% methacrylic acid are weighed, according to
In secondary addition double-planet power mixer, 30min is stirred with 500~1000r/min speed；Sequentially add 35%ABS trees
Fat and 1.5%N, N- dimethyl-p-toluidine, 1h is stirred, lead to circulating water cooling to 25 DEG C；0.1% hydroquinones is added, is controlled
25 DEG C of temperature, 1h is stirred with 500~1000r/min speed, is evacuated to≤- 0.09MPa, low speed deaeration 1h, to stir,
Bubble is removed, filtering, filling, sealing, obtains component A；
(2) 30%E-51 epoxy resin, 10% PPG and 20% benzoic ether are weighed, double-planet is sequentially added and moves
In power mixer, 30min is stirred with 500~1000r/min speed；10% calcium carbonate is sequentially added, stirs 1h, leads to circulation
Water is cooled to 25 DEG C；30% benzoyl peroxide is added, 25 DEG C of temperature control, 1h is stirred with 500~1000r/min speed, is taken out true
Sky, to stirring, removing bubble, filtering, filling, sealing, produces B component to≤- 0.09MPa, low speed deaeration 1h；
(3) by B component made from component A made from step (1) and step (2) by volume 10:1 is mixing cured, is made
Acrylate structural adhesive.
Embodiment 2
A kind of good acrylate structural adhesive of impact resistance, its component are 10 by volume by component A and B component:1 group
Into；
Wherein described component A includes by weight percentage：Methyl methacrylate 28.9%, methacrylic acid hydroxyl
Ethyl ester 10%, modified urethane acrylate 18.0%, methacrylic acid 6%, SBS resins 36%, N, N- dimethyl is to toluene
Amine 1.0% and hydroquinones 0.1%；
Described B component includes by weight percentage：E-51 epoxy resin 25%, PEPA 12%, benzoic acid
Ester 20%, benzoyl peroxide 37% and silicon powder 6%.
The preparation method of the good acrylate structural adhesive of above-mentioned impact resistance, step are as follows：
(1) 28.9% methyl methacrylate, 10% hydroxyethyl methacrylate, 18.0% modified polyurethane third are weighed
Olefin(e) acid ester and 6% methacrylic acid, are sequentially added in double-planet power mixer, are stirred with 500~1000r/min speed
30min；36%SBS resins and 1.0%N, N- dimethyl-p-toluidine are sequentially added, stirs 1h, leads to circulating water cooling to 25
℃；0.1% hydroquinones is added, 25 DEG C of temperature control, 1h is stirred with 500~1000r/min speed, be evacuated to≤-
0.09MPa, low speed deaeration 1h, to stirring, removing bubble, filtering, filling, sealing, obtain component A；
(2) 25%E-51 epoxy resin, 12% PEPA and 20% benzoic ether are weighed, double-planet is sequentially added and moves
In power mixer, 30min is stirred with 500~1000r/min speed；6% silicon powder is sequentially added, stirs 1h, leads to circulation
Water is cooled to 25 DEG C；37% benzoyl peroxide is added, 25 DEG C of temperature control, 1h is stirred with 500~1000r/min speed, is taken out true
Sky, to stirring, removing bubble, filtering, filling, sealing, produces B component to≤- 0.09MPa, low speed deaeration 1h；
(3) by B component made from component A made from step (1) and step (2) by volume 10:1 is mixing cured, is made
Acrylate structural adhesive.
Embodiment 3
A kind of good acrylate structural adhesive of impact resistance, its component are 10 by volume by component A and B component:1 group
Into；
Wherein described component A includes by weight percentage：Methyl methacrylate 28.9%, methacrylic acid hydroxyl
Propyl ester 10%, modified urethane acrylate 17.0%, methacrylic acid 7%, ABS resin 26%, SBS resins 10%, triphen
Base phosphine 1.0% and to naphthoquinones 0.1%；
Described B component includes by weight percentage：EP828 epoxy resin 26%, PPG 13%, adjacent benzene two
Formic acid esters 19%, lauroyl peroxide 36% and calcium carbonate 6%.
The preparation method of the good acrylate structural adhesive of above-mentioned impact resistance, step are as follows：
(1) 28.9% methyl methacrylate, 10% hydroxy propyl methacrylate, 17.0% modified polyurethane third are weighed
Olefin(e) acid ester and 7% methacrylic acid, are sequentially added in double-planet power mixer, are stirred with 500~1000r/min speed
30min；26%ABS resins, 10%SBS resins and 1.0% triphenylphosphine are sequentially added, stirs 1h, leads to circulating water cooling extremely
25℃；0.1% pair of naphthoquinones is added, 25 DEG C of temperature control, 1h is stirred with 500~1000r/min speed, be evacuated to≤-
0.09MPa, low speed deaeration 1h, to stirring, removing bubble, filtering, filling, sealing, obtain component A；
(2) 26%EP828 epoxy resin, 13% PPG and 19% phthalic acid ester are weighed, is sequentially added double
In planetary power mixer, 30min is stirred with 500~1000r/min speed；6% calcium carbonate is sequentially added, stirs 1h,
Logical circulating water cooling is to 25 DEG C；36% lauroyl peroxide is added, 25 DEG C of temperature control, is stirred with 500~1000r/min speed
1h ,≤- 0.09MPa, low speed deaeration 1h are evacuated to, to stirring, removing bubble, filtering, filling, sealing, produce B groups
Point；
(3) by B component made from component A made from step (1) and step (2) by volume 10:1 is mixing cured, is made
Acrylate structural adhesive.
Embodiment 4
A kind of good acrylate structural adhesive of impact resistance, its component are 10 by volume by component A and B component:1 group
Into；
Wherein described component A includes by weight percentage：Methyl methacrylate 28.9%, methacrylic acid hydroxyl
Ethyl ester 12%, modified urethane acrylate 15.0%, methacrylic acid 7%, ABS resin 24%, MBS resins 12%, triphen
Base phosphine 1.0% and tetrasodium ethylenediamine tetraacetate 0.1%；
Described B component includes by weight percentage：EP828 epoxy resin 26%, PEPA 14%, adjacent benzene two
Formic acid esters 18%, lauroyl peroxide 37% and silicon powder 5%.
The preparation method of the good acrylate structural adhesive of above-mentioned impact resistance, step are as follows：
(1) 28.9% methyl methacrylate, 12% hydroxyethyl methacrylate, 15.0% modified polyurethane third are weighed
Olefin(e) acid ester and 7% methacrylic acid, are sequentially added in double-planet power mixer, are stirred with 500~1000r/min speed
30min；24%ABS resins, 12%MBS resins and 1.0% triphenylphosphine are sequentially added, stirs 1h, leads to circulating water cooling extremely
25℃；0.1% tetrasodium ethylenediamine tetraacetate is added, 25 DEG C of temperature control, 1h is stirred with 500~1000r/min speed, vacuumized
To≤- 0.09MPa, low speed deaeration 1h, to stirring, removing bubble, filtering, filling, sealing, component A is obtained；
(2) 26%EP828 epoxy resin, 14% PEPA and 18% phthalic acid ester are weighed, is sequentially added double
In planetary power mixer, 30min is stirred with 500~1000r/min speed；5% silicon powder is sequentially added, stirs 1h,
Logical circulating water cooling is to 25 DEG C；37% lauroyl peroxide is added, 25 DEG C of temperature control, is stirred with 500~1000r/min speed
1h ,≤- 0.09MPa, low speed deaeration 1h are evacuated to, to stirring, removing bubble, filtering, filling, sealing, produce B groups
Point；
(3) by B component made from component A made from step (1) and step (2) by volume 10:1 is mixing cured, is made
Acrylate structural adhesive.
Comparative example 1
A kind of preparation method of acrylate structural adhesive, step are as follows：
(1) 55% methyl methacrylate, 44% nitrile rubber and 1% adjacent benzenesulfonimide are weighed, sequentially adds duplicate rows
In star power mixer, stirred with 500r/min speed, 35~45 DEG C of temperature control；- 0.09MPa deaerations are evacuated to,
Filtered under dark conditions, be filling, closed, obtaining component A；
(2) 53% methyl methacrylate, 44% nitrile rubber and 3% isopropyl benzene hydroperoxide are weighed, is sequentially added double
In planetary power mixer, stirred with 500r/min speed, 35~45 DEG C of temperature control；- 0.09MPa deaerations are evacuated to,
Filtered under dark conditions, be filling, closed, obtaining B component；
(3) by B component made from component A made from step (1) and step (2) by volume 1:1 is mixing cured, is made third
Olefin(e) acid ester structure glue.
Comparative example 2
A kind of preparation method of acrylate structural adhesive, step are as follows：
(1) weigh 45% methyl methacrylate, 10% hydroxyethyl methacrylate, 44% chlorosulfonated polyethylene and
1% thiocarbamide, sequentially add in double-planet power mixer, stirred with 500r/min speed, 35~45 DEG C of temperature control；Take out true
Empty extremely -0.09MPa deaerations, filter under dark conditions, are filling, closed, obtaining component A；
(2) 53% methyl methacrylate, 44% chlorosulfonated polyethylene and 3% TBHP are weighed, is added successively
Enter in double-planet power mixer, stirred with 500r/min speed, 35~45 DEG C of temperature control；- 0.09MPa is evacuated to take off
Bubble, filtered under dark conditions, be filling, closed, obtaining B component；
(3) by B component made from component A made from step (1) and step (2) by volume 1:1 is mixing cured, is made third
Olefin(e) acid ester structure glue.
By following experimental test, acrylate structural adhesive made from 1-4 of the embodiment of the present invention is applied to electronic applications,
With comparative example 1-2 made from the performance of acrylate structural adhesive contrasted.
Embodiment 1-4 sample and comparative example 1-2 sample are subjected to mechanical performance and curing rate in accordance with the following methods
Contrast test：
1st, sample preparation and solidification
A. method for making sample：Every kind of glue is separately mounted in point gum machine mould, point of adjustment glue laminated power is 4Kg air pressure, dispensing
Speed 45mm/s；
B. condition of cure：80 DEG C of hot pressing 60s of hot press.
2nd, machinery and curing rate test
A. solid state：Outward appearance and initial strength；
B. pull strength is tested：At fastener, positive pulling capacity after 24h；
C. dise knife test impact resistance.
Test result is shown in Table 1, and table 1 is the properties of sample contrast test knot of sample made from embodiment 1-4 and comparative example 1-2
Fruit：
Table 1
As it can be seen from table 1 compared to comparative example 1-2, acrylate structural adhesive initial strength produced by the present invention is higher,
Impact resistance is good, can be tested by dise knife, and jacking strength is high；Drawing force intensity after 24h is higher, suitable for e-factory certainly
Dynamicization continuous productive process, improve production efficiency.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (8)
- A kind of 1. good acrylate structural adhesive of impact resistance, it is characterised in that its component by component A and B component by volume For 10:1 composition；Wherein described component A includes by weight percentage：Acrylate monomer 30~45%, modified urethane acrylate 10~20%, methacrylic acid 5~10%, toughness reinforcing filler 20~40%, accelerator 1~2% and stabilizer 0.1~0.2%；Described B component includes by weight percentage：Epoxy resin 25~30%, tackifying resin 10~15%, plasticizer 15 ~20%, curing agent 30~40% and filler 4~10%；Wherein, the acrylate monomer described in component A is methyl methacrylate, hydroxyethyl methacrylate or metering system One or more kinds of mixing of sour hydroxypropyl acrylate；Modified urethane acrylate described in component A is by TDI, hydrogenated bisphenol A, PTMG2000, hydroxyethyl methacrylate second Resin made from ester and hydroxy propyl methacrylate synthesis；Epoxy resin described in B component mixes for E-51 epoxy resin or the one or two kinds of of EP828 epoxy resin.
- 2. acrylate structural adhesive according to claim 1, it is characterised in that the toughness reinforcing filler described in component A is ABS, MBS or SBS one or more kinds of mixing.
- 3. acrylate structural adhesive according to claim 1, it is characterised in that the accelerator described in component A is triphen One or more kinds of mixing of base phosphine, N, N- dimethyl-p-toluidines or N, N- dimethyl ortho-aminotoluene.
- 4. acrylate structural adhesive according to claim 1, it is characterised in that the stabilizer described in component A is to benzene Diphenol, tetrasodium ethylenediamine tetraacetate are mixed above to one or both of naphthoquinones.
- 5. acrylate structural adhesive according to claim 1, it is characterised in that the tackifying resin described in B component is poly- One or two kinds of mixing of ethoxylated polyhydric alcohol or PEPA.
- 6. acrylate structural adhesive according to claim 1, it is characterised in that the plasticizer described in B component is benzene first One or two kinds of mixing of acid esters or phthalate.
- 7. acrylate structural adhesive according to claim 1, it is characterised in that the curing agent described in B component is peroxide Change one or two kinds of mixing of benzoyl or lauroyl peroxide.
- 8. acrylate structural adhesive according to claim 1, it is characterised in that the filler described in B component is calcium carbonate Or one or two kinds of mixing of silica flour.
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