CN106189978B - A kind of protective fence adhesive, preparation method and the highway protective fence being made from it - Google Patents
A kind of protective fence adhesive, preparation method and the highway protective fence being made from it Download PDFInfo
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- CN106189978B CN106189978B CN201610776014.1A CN201610776014A CN106189978B CN 106189978 B CN106189978 B CN 106189978B CN 201610776014 A CN201610776014 A CN 201610776014A CN 106189978 B CN106189978 B CN 106189978B
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Abstract
A kind of protective fence adhesive, the adhesive are grouped as by two groups of A, B, wherein the weight of component A forms are as follows: 100 parts of epoxy resin, 12~32 parts of foaming agent, 5~12 parts of toluene glycidol ether, 5~11 parts of nitrile rubber；The weight of B component forms are as follows: modified 8~17 parts of the triethylene tetramine of 35 parts of curing agent, 5~10 parts of melamine, poly methylene poly phenyl poly isocyanate；The modified triethylene tetramine of the poly methylene poly phenyl poly isocyanate is reacted by poly methylene poly phenyl poly isocyanate and triethylene tetramine to be made, and the dosage portion rate of poly methylene poly phenyl poly isocyanate and triethylene tetramine is 100:25~46.The invention also discloses its corresponding preparation method and the expressway barriers being made from it simultaneously.The protective fence has excellent mechanical strength, damping, buffering, waterproofness, weatherability, installs the advantages such as simple, quick, maintenance cost is low.
Description
Technical field
The invention belongs to road prevention technical fields, and in particular to a kind of protective fence adhesive, preparation method and by
Its manufactured highway protective fence.
Background technique
Road prevention has become the indispensable a part of road construction, especially super expressway and protects, the height of setting
Fast road protective fence, most important purpose be to absorb Impact energy, so as to vehicle of the traveling on expressway into
Row protection, prevents larger traffic accident.However currently, highway protective fence mechanical strength, damping, buffering,
There is still a need for be further improved and improve for the aspect of performance such as waterproofness, weatherability, installation are simply, quick, maintenance cost is low.
Summary of the invention
The purpose of the present invention is to provide a kind of protective fence adhesive, and providing preparation method is another hair of the invention
Improving eyesight, providing highway prepared therefrom with protective fence is third goal of the invention of the invention.
To achieve the goals above, the present invention takes following technical scheme: a kind of protective fence adhesive, the adhesive
It is grouped as by two groups of A, B, wherein
The weight of component A forms are as follows: 100 parts of epoxy resin, 12~32 parts of foaming agent, 5~12 parts of toluene glycidol ether,
5~11 parts of nitrile rubber；
The weight of B component forms are as follows: 35 parts of curing agent, 5~10 parts of melamine, poly methylene poly phenyl poly isocyanate
Modified 8~17 parts of triethylene tetramine；
The modified triethylene tetramine of the poly methylene poly phenyl poly isocyanate is by poly methylene poly phenyl poly isocyanate
It is made with triethylene tetramine reaction, the dosage portion rate of poly methylene poly phenyl poly isocyanate and triethylene tetramine is 100:25
~46.
The weight ratio of the component A and B component is 100:93~103.
The epoxy resin is phenolic group propane epoxy resin, organic titanium modified propanepoxy resin, cyanuric acid
The modified propanepoxy resin of epoxy resin, bromine, chlorine modified propanepoxy resin, phenolic group propane side-chains type ring oxygen
One of resin, novolac epoxy resin, four phenolic group epoxy resin, resorcinol type epoxy.
The curing agent is one of hexamethylene diamine, diethylenetriamine, triethylene tetramine, diethylaminopropylamine.
The foaming agent is lauryl sodium sulfate, sodium sulfate of polyethenoxy ether of fatty alcohol, pentane, n-hexane, positive heptan
One of alkane, azodiisobutyronitrile.
The preparation method of the protective fence adhesive, comprising the following steps:
1) epoxy resin, foaming agent, toluene glycidol ether, nitrile rubber are mixed in proportion, in 25~45 DEG C, stirring
Speed is that 0.1~0.5h is reacted under 95~110r/min, obtains component A；
2) first poly methylene poly phenyl poly isocyanate (PAPI) and triethylene tetramine are mixed in proportion, 45~60
DEG C, 0.2~0.5h of reaction obtains poly methylene poly phenyl poly isocyanate modified three under the conditions of 90~120r/min of mixing speed
Ethylene tetramine；Curing agent, melamine, the modified triethylene tetramine of poly methylene poly phenyl poly isocyanate are mixed in proportion again
It closes, at 26~43 DEG C, mixing speed reacts 0.1~0.5h under the conditions of being 85~100r/min, obtains B component；
3) it after mixing component A and B component in proportion, is coated in adhesive surface, solidification.
Cured concrete operations are as follows: solidify 2~10min, 60~100 DEG C of 1~5min of solidification at 20~40 DEG C.The step
In, when hot setting, it can be used by the way of infrared tube or infrared heating.
When poly methylene poly phenyl poly isocyanate and triethylene tetramine mix in step 2), by triethylene tetramine with 1mL/
The speed of min is added in poly methylene poly phenyl poly isocyanate.
A kind of highway protective fence, including column, the column are sequentially connected aluminium waveform by protective fence adhesive
Protective plate and stainless steel waveform protective plate, the protective fence adhesive is using protective fence adhesive made from the method.
The bonding surface of the stainless steel waveform protective plate, aluminium waveform protective plate and column must be first through polishing smooth step.
Its purpose is that improving the adhesive force of epoxy adhesive.
In the application, each main component role is as follows:
The purpose of poly methylene poly phenyl poly isocyanate is to improve crosslink density, damping performance and the hair of epoxy resin
Steep performance；
The purpose of the melamine improves the crosslink density and mechanical strength of epoxy resin；
The purpose of the toluene glycidol ether is the viscosity in order to adjust adhesive, in order to construct；
The purpose of the nitrile rubber is in order to improve the damping performance of protective fence.
The coating weight of invention adhesive is preferably 0.1~1kg/m2。
The present invention by changing reactant feed and technology mode, the protective fence of preparation have excellent high strength,
The performances such as damping, buffering, waterproofness, weatherability, installation are simply, quick, maintenance cost is low.
The present invention specifically has the beneficial effect that:
1, protective fence uses stainless steel waveform protective fence, aluminium waveform protective fence, adhesive, column composite construction, stainless steel
Waveform protective fence has excellent mechanical strength and shock resistance, can assign protective fence excellent impact strength and shock resistance
Performance；The adhesive is epoxy adhesive, and inside has foam structure, can assign the excellent shock resisting performance of protective fence, resist
Adhesive property between cushion performance and raising stainless steel waveform protective plate, aluminium waveform protective plate and column, and it is anti-without adding
Stop block；Foaming kind material has light weight, can not only reduce the overall weight of protective fence, can also reduce production, the fortune of protective fence
The costs such as defeated, installation, maintenance；Aluminium belongs to soft metal, can further improve to a certain extent protective fence shock resisting performance and
Anti- cushion performance；
2, melamine, poly methylene poly phenyl poly isocyanate are introduced in adhesive, and epoxy adhesive not only can be improved
Crosslink density, the mechanical strength and shock resisting performance of epoxy adhesive also can be improved；
3, the adhesive prepared has foaming structure, and being formed by foam structure is hole-closing structure, can not only assign glue
The excellent mechanical strength of stick may also reach up excellent waterproof performance and weatherability；
4, the viscosity of the adjustable adhesive of the addition of toluene glycidol ether, facilitates constructing operation；The solidification temperature of adhesive
Degree and curing time have adjustable space, can be adjusted according to construction technology and execution conditions；
5, the protective fence installation prepared using the adhesive of the application is fixed without additional accessory, have simple installation,
Fast, beautiful feature.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of comparative example 1；
Fig. 3 is the structural schematic diagram of comparative example 2.
Specific embodiment
A specific embodiment of the invention is described below with reference to embodiment, to better understand the present invention.
Embodiment 1-10
To keep specification succinct, protective fence described in embodiment 1-10 is respectively formed with adhesive to be provided in table form,
Specifically it is shown in Table 1.
1 embodiment 1-10 protective fence of table is respectively formed with adhesive
Lower continued 1
Embodiment 1
The preparation method of the protective fence adhesive, comprising the following steps:
1) 100 parts of novolac epoxy resins, 23 parts of azodiisobutyronitriles, 8 parts of toluene glycidol ethers, 7 parts of butyronitrile rubbers are weighed
Glue is added in reaction kettle, and 35 DEG C of maintenance system temperature, mixing speed reacts 0.3h under the conditions of being 100r/min, obtains component A；
2) 100 parts of poly methylene poly phenyl poly isocyanates are first weighed and 36 parts of triethylene tetramines are added in reactor, maintenance system
53 DEG C of temperature, mixing speed reacts 0.3h under the conditions of being 105r/min, obtains poly methylene poly phenyl poly isocyanate modified three
Ethylene tetramine；Weigh 35 parts of triethylene tetramines, 7 parts of melamines, modified three second of 11 parts of poly methylene poly phenyl poly isocyanates
Alkene tetramine is added in reaction kettle, and 29 DEG C of maintenance system temperature, mixing speed reacts 0.3h under the conditions of being 90r/min, obtains B group
Point；
3) 100 parts of component As are weighed and 95 parts of B components are configured to adhesive, adhesive presses 0.3kg/m2Coating weight is coated in
Stainless steel waveform protective plate, aluminium waveform protective plate and the leg surface polished solidify 3min, 85 DEG C of solidifications at 25 DEG C
2min to get.
Embodiment 2
The preparation method of the protective fence adhesive, comprising the following steps:
1) 100 parts of phenolic group propane epoxy resin, 12 parts of lauryl sodium sulfate, 5 parts of toluene glycidol ethers, 5 parts are weighed
Nitrile rubber is added in reaction kettle, and 25 DEG C of maintenance system temperature, mixing speed reacts 0.1h under the conditions of being 95r/min, obtains A
Component；
2) 100 parts of poly methylene poly phenyl poly isocyanates are weighed and 25 parts of triethylene tetramines are added in reactor, are tieed up
45 DEG C of system temperature are held, mixing speed reacts 0.2h under the conditions of being 90r/min, obtains poly methylene poly phenyl poly isocyanate and changes
Property triethylene tetramine；Weigh 35 parts of hexamethylene diamines, 5 parts of melamines, the modified triethylene of 8 parts of poly methylene poly phenyl poly isocyanates
Tetramine is added in reaction kettle, and 26 DEG C of maintenance system temperature, mixing speed reacts 0.1h under the conditions of being 85r/min, obtains B group
Point；
3) 100 parts of component As are weighed and 93 parts of B components are configured to adhesive, adhesive presses 0.1kg/m2Coating weight is coated in
Stainless steel waveform protective plate, aluminium waveform protective plate and the leg surface polished, in 20 DEG C of solidifications 10min, 60 DEG C of solidification 5min,
To obtain the final product.
Embodiment 3
The preparation method of the protective fence adhesive, comprising the following steps:
1) 100 parts of novolac epoxy resins, 32 parts of sodium sulfate of polyethenoxy ether of fatty alcohol, 12 parts of toluene glycidols are weighed
Ether, 11 parts of nitrile rubbers are added in reaction kettle, maintenance system temperature 45 C, and mixing speed is reacted under the conditions of being 110r/min
0.5h obtains component A；
2) 100 parts of poly methylene poly phenyl poly isocyanates are weighed and 46 parts of triethylene tetramines are added in reactor, are tieed up
60 DEG C of system temperature are held, mixing speed reacts 0.5h under the conditions of being 120r/min, obtains poly methylene poly phenyl poly isocyanate
Modified triethylene tetramine；Weigh 35 parts of diethylaminopropylamines, 10 parts of melamines, 17 parts of poly methylene poly phenyl poly isocyanates
Modified triethylene tetramine is added in reaction kettle, and 43 DEG C of maintenance system temperature, mixing speed is reacted under the conditions of being 100r/min
0.5h obtains B component；
3) 100 parts of component As are weighed and 103 parts of B components are configured to adhesive, adhesive presses 1kg/m2Coating weight is coated in and beats
Honed stainless steel waveform protective plate, aluminium waveform protective plate and leg surface, in 40 DEG C of solidifications 2min, 100 DEG C of solidification 1min, i.e.,
?.
Embodiment 4
The preparation method of the protective fence adhesive, comprising the following steps:
1) the modified propanepoxy resin of 100 parts of organic titaniums, 15 parts of lauryl sodium sulfate, 10 parts of toluene contractings are weighed
Water glycerin ether, 10 parts of nitrile rubbers are added in reaction kettle, and 30 DEG C of maintenance system temperature, under the conditions of mixing speed is 100r/min
0.4h is reacted, component A is obtained；
2) 100 parts of poly methylene poly phenyl poly isocyanates are weighed and 30 parts of triethylene tetramines are added in reactor, are tieed up
50 DEG C of system temperature are held, mixing speed reacts 0.4h under the conditions of being 100r/min, obtains poly methylene poly phenyl poly isocyanate
Modified triethylene tetramine；Weigh 35 parts of hexamethylene diamines, 6 parts of melamines, 10 parts of poly methylene poly phenyl poly isocyanates modified three
Ethylene tetramine is added in reaction kettle, and 30 DEG C of maintenance system temperature, mixing speed reacts 0.2h under the conditions of being 90r/min, obtains B
Component；
3) 100 parts of component As are weighed and 95 parts of B components are configured to adhesive, adhesive presses 0.5kg/m2Coating weight is coated in
Stainless steel waveform protective plate, aluminium waveform protective plate and the leg surface polished, in 25 DEG C of solidifications 9min, 70 DEG C of solidification 4min,
To obtain the final product.
Embodiment 5
The preparation method of the protective fence adhesive, comprising the following steps:
1) weigh 100 parts of tricyanic epoxy resins, 20 parts of sodium sulfate of polyethenoxy ether of fatty alcohol, 7 parts of toluene shrink it is sweet
Oily ether, 8 parts of nitrile rubbers are added in reaction kettle, and 35 DEG C of maintenance system temperature, mixing speed is reacted under the conditions of being 105r/min
0.2h obtains component A；
2) 100 parts of poly methylene poly phenyl poly isocyanates are weighed and 40 parts of triethylene tetramines are added in reactor, are tieed up
55 DEG C of system temperature are held, mixing speed reacts 0.3h under the conditions of being 110r/min, obtains poly methylene poly phenyl poly isocyanate
Modified triethylene tetramine；It is modified to weigh 35 parts of triethylene tetramines, 9 parts of melamines, 9 parts of poly methylene poly phenyl poly isocyanates
Triethylene tetramine is added in reaction kettle, and 35 DEG C of maintenance system temperature, mixing speed reacts 0.2h under the conditions of being 95r/min, is obtained
To B component；
3) 100 parts of component As are weighed and 100 parts of B components are configured to adhesive, adhesive presses 0.6kg/m2Coating weight is coated in
Stainless steel waveform protective plate, aluminium waveform protective plate and the leg surface polished, in 38 DEG C of solidifications 2min, 90 DEG C of solidification 1min,
To obtain the final product.
Embodiment 6
The preparation method of the protective fence adhesive, comprising the following steps:
1) 100 parts of chlorine modified propanepoxy resin, 31 parts of pentanes, 11 parts of toluene glycidol ethers, 9 parts are weighed
Nitrile rubber is added in reaction kettle, and 37 DEG C of maintenance system temperature, mixing speed reacts 0.4h under the conditions of being 99r/min, obtains A
Component；
2) 100 parts of poly methylene poly phenyl poly isocyanates are weighed and 45 parts of triethylene tetramines are added in reactor, are tieed up
57 DEG C of system temperature are held, mixing speed reacts 0.4h under the conditions of being 115r/min, obtains poly methylene poly phenyl poly isocyanate
Modified triethylene tetramine；Weigh 35 parts of diethylaminopropylamines, 8 parts of melamines, 12 parts of poly methylene poly phenyl poly isocyanates
Modified triethylene tetramine is added in reaction kettle, and 41 DEG C of maintenance system temperature, mixing speed is reacted under the conditions of being 93r/min
0.4h obtains B component；
3) 100 parts of component As are weighed and 96 parts of B components are configured to adhesive, adhesive presses 0.9kg/m2Coating weight is coated in
Stainless steel waveform protective fence, aluminium waveform protective fence and the leg surface polished, in 24 DEG C of solidifications 8min, 80 DEG C of solidification 2min,
To obtain the final product.
Embodiment 7
The preparation method of the protective fence adhesive, comprising the following steps:
1) 100 part of four phenolic group epoxy resin, 26 parts of n-hexanes, 7 parts of toluene glycidol ethers, 7 parts of nitrile rubbers are weighed to add
Enter into reaction kettle, 29 DEG C of maintenance system temperature, mixing speed reacts 0.4h under the conditions of being 102r/min, obtains component A；
2) 100 parts of poly methylene poly phenyl poly isocyanates are weighed and 32 parts of triethylene tetramines are added in reactor, are tieed up
48 DEG C of system temperature are held, mixing speed reacts 0.3h under the conditions of being 99r/min, obtains poly methylene poly phenyl poly isocyanate and changes
Property triethylene tetramine；It is modified to weigh 35 parts of diethylenetriamines, 9 parts of melamines, 14 parts of poly methylene poly phenyl poly isocyanates
Triethylene tetramine is added in reaction kettle, and 39 DEG C of maintenance system temperature, mixing speed reacts 0.3h under the conditions of being 87r/min, is obtained
To B component；
3) 100 parts of component As are weighed and 97 parts of B components are configured to adhesive, adhesive presses 0.7kg/m2Coating weight is coated in
Stainless steel waveform protective plate, aluminium waveform protective plate and the leg surface polished, in 26 DEG C of solidifications 5min, 70 DEG C of solidification 3min,
To obtain the final product.
Embodiment 8
The preparation method of the protective fence adhesive, comprising the following steps:
1) 100 parts of phenolic group propane side-chains type epoxy resin, 17 parts of pentanes, 8 parts of toluene glycidol ethers, 9 parts of fourths are weighed
Nitrile rubber is added in reaction kettle, and 33 DEG C of maintenance system temperature, mixing speed reacts 0.4h under the conditions of being 101r/min, obtains A
Component；
2) 100 parts of poly methylene poly phenyl poly isocyanates are weighed and 44 parts of triethylene tetramines are added in reactor, are tieed up
51 DEG C of system temperature are held, mixing speed reacts 0.3h under the conditions of being 112r/min, obtains poly methylene poly phenyl poly isocyanate
Modified triethylene tetramine；35 parts of triethylene tetramines, 7 parts of melamines, 14 parts of poly methylene poly phenyl poly isocyanates are weighed to change
Property triethylene tetramine be added in reaction kettle, 28 DEG C of maintenance system temperature, mixing speed be 91r/min under the conditions of react 0.2h,
Obtain B component；
3) 100 parts of component As are weighed and 98 parts of B components are configured to adhesive, adhesive presses 0.6kg/m2Coating weight is coated in
Stainless steel waveform protective plate, aluminium waveform protective plate and the leg surface polished, in 28 DEG C of solidifications 5min, 75 DEG C of solidification 4min,
To obtain the final product.
Embodiment 9
The preparation method of the protective fence adhesive, comprising the following steps:
1) 100 parts of resorcinol type epoxies, 17 portions of normal heptanes, 6 parts of toluene glycidol ethers, 5 parts of nitrile rubbers are weighed
It is added in reaction kettle, 34 DEG C of maintenance system temperature, mixing speed reacts 0.2h under the conditions of being 103r/min, obtains component A；
2) 100 parts of poly methylene poly phenyl poly isocyanates are weighed and 32 parts of triethylene tetramines are added in reactor, are tieed up
47 DEG C of system temperature are held, mixing speed reacts 0.3h under the conditions of being 91r/min, obtains poly methylene poly phenyl poly isocyanate and changes
Property triethylene tetramine；It is modified to weigh 35 parts of diethylenetriamines, 9 parts of melamines, 16 parts of poly methylene poly phenyl poly isocyanates
Triethylene tetramine is added in reaction kettle, and 28 DEG C of maintenance system temperature, mixing speed reacts 0.1h under the conditions of being 92r/min, is obtained
To B component；
3) 100 parts of component As are weighed and 101 parts of B components are configured to adhesive, adhesive presses 0.7kg/m2Coating weight is coated in
Stainless steel waveform protective plate, aluminium waveform protective plate and the leg surface polished, in 26 DEG C of solidifications 5min, 85 DEG C of solidification 3min,
To obtain the final product.
Embodiment 10
The preparation method of the protective fence adhesive, comprising the following steps:
1) 100 parts of bromines modified propanepoxy resin, 22 parts of azodiisobutyronitriles, 11 parts of toluene glycidols are weighed
Ether, 8 parts of nitrile rubbers are added in reaction kettle, and 33 DEG C of maintenance system temperature, mixing speed is reacted under the conditions of being 100r/min
0.3h obtains component A；
2) 100 parts of poly methylene poly phenyl poly isocyanates are weighed and 36 parts of triethylene tetramines are added in reactor, are tieed up
56 DEG C of system temperature are held, mixing speed reacts 0.2h under the conditions of being 103r/min, obtains poly methylene poly phenyl poly isocyanate
Modified triethylene tetramine；35 parts of triethylene tetramines, 7 parts of melamines, 13 parts of poly methylene poly phenyl poly isocyanates are weighed to change
Property triethylene tetramine be added in reaction kettle, 35 DEG C of maintenance system temperature, mixing speed be 94r/min under the conditions of react 0.2h,
Obtain B component；
3) 100 parts of component As are weighed and 96 parts of B components are configured to adhesive, adhesive presses 0.4kg/m2Coating weight is coated in
Stainless steel waveform protective plate, aluminium waveform protective plate and the leg surface polished, in 31 DEG C of solidifications 4min, 93 DEG C of solidification 2min,
To obtain the final product.
Embodiment 11
A kind of highway protective fence, including column 1, the column 1 are sequentially connected the protection of aluminium waveform by adhesive 2
Plate 3 and stainless steel waveform protective plate 4, the adhesive is using protective fence gluing made from method described in embodiment 1-10
Agent.Protective fence obtained is detected, discovery anti-collision level reaches SA, and shock resisting performance reaches excellent.Table 2 is to implement
For protective fence made of example 1 to its crashworthiness tested as a result, testing standard referring to JTG/TF83-01-2004) it is same
Shi Bingyu is compared using the protective fence of existing installation method installation.It the results are shown in Table shown in 2.
Comparative example 1: referring to Fig. 2, preparation method is: 1) beating screw hole on column 1；It 2) will be stainless by bolt and nut 5
Steel waveform protective fence 4 is fixed on column 1.
Comparative example 2: referring to Fig. 3, preparation method is: 1) beating screw hole above column 1；It 2) will not by bolt and nut 5
Rust steel waveform protective fence 4 and obstruction block 6 are fixed on column 1.
The evaluation of 2 guardrail crashworthiness of table
As shown in Table 2, using protective fence made of the present invention, crashworthiness will be much better than comparative example 1 and 2.And this
Invention is fixed without additional accessory, has the characteristics that simple installation, quick, beauty.
Claims (10)
1. a kind of protective fence adhesive, which is characterized in that the adhesive is grouped as by two groups of A, B, wherein
The weight of component A forms are as follows: 100 parts of epoxy resin, 12~32 parts of foaming agent, 5~12 parts of toluene glycidol ether, butyronitrile
5~11 parts of rubber；
The weight of B component forms are as follows: 35 parts of curing agent, 5~10 parts of melamine, poly methylene poly phenyl poly isocyanate are modified
8~17 parts of triethylene tetramine；
The modified triethylene tetramine of the poly methylene poly phenyl poly isocyanate is by poly methylene poly phenyl poly isocyanate and three
The reaction of ethylene tetramine is made, the dosage portion rate of poly methylene poly phenyl poly isocyanate and triethylene tetramine be 100:25~
46。
2. protective fence adhesive as described in claim 1, which is characterized in that the weight ratio of the component A and B component is
100:93~103.
3. protective fence adhesive as claimed in claim 2, which is characterized in that the epoxy resin is phenolic group propane asphalt mixtures modified by epoxy resin
The modified propanepoxy resin of rouge, organic titanium, tricyanic epoxy resin, bromine modified propanepoxy resin, chlorine
Modified propanepoxy resin, phenolic group propane side-chains type epoxy resin, novolac epoxy resin, four phenolic group epoxy resin,
One of benzenediol epoxy resin.
4. protective fence adhesive as claimed in claim 2, which is characterized in that the curing agent is hexamethylene diamine, divinyl three
One of amine, triethylene tetramine, diethylaminopropylamine.
5. protective fence adhesive as claimed in claim 2, which is characterized in that the foaming agent be lauryl sodium sulfate,
One of sodium sulfate of polyethenoxy ether of fatty alcohol, pentane, n-hexane, normal heptane, azodiisobutyronitrile.
6. the preparation method of any protective fence adhesive of claim 1-5, which comprises the following steps:
1) epoxy resin, foaming agent, toluene glycidol ether, nitrile rubber are mixed in proportion, in 25~45 DEG C, mixing speed
To react 0.1~0.5h under 95~110r/min, component A is obtained；
2) first poly methylene poly phenyl poly isocyanate and triethylene tetramine are mixed in proportion, in 45~60 DEG C, mixing speed
0.2~0.5h is reacted under the conditions of 90~120r/min obtains the modified triethylene tetramine of poly methylene poly phenyl poly isocyanate；Again
Curing agent, melamine, the modified triethylene tetramine of poly methylene poly phenyl poly isocyanate are mixed in proportion, 26~43
DEG C, mixing speed reacts 0.1~0.5h under the conditions of being 85~100r/min, obtains B component；
3) it after mixing component A and B component in proportion, is coated in adhesive surface, solidification.
7. the preparation method of protective fence adhesive as claimed in claim 6, which is characterized in that cured concrete operations are as follows:
Solidify 2~10min, 60~100 DEG C of 1~5min of solidification at 20~40 DEG C.
8. the preparation method of protective fence adhesive as claimed in claim 6, which is characterized in that polymethylene is more in step 2
When polyphenyl polyisocyanate and triethylene tetramine mix, it is more that triethylene tetramine with the speed of 1mL/min is added to polymethylene
In polyphenyl polyisocyanate.
9. a kind of highway protective fence, including column, which is characterized in that the column is successively connected by protective fence adhesive
Aluminium waveform protective plate and stainless steel waveform protective plate are connect, the protective fence adhesive is made using method of claim 6
Protective fence adhesive.
10. highway protective fence as claimed in claim 9, which is characterized in that the stainless steel waveform protective plate, aluminium wave
The bonding surface of shape protective plate and column must be first through polishing smooth step.
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| CN201610776014.1A CN106189978B (en) | 2016-08-31 | 2016-08-31 | A kind of protective fence adhesive, preparation method and the highway protective fence being made from it |
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| CN201610776014.1A CN106189978B (en) | 2016-08-31 | 2016-08-31 | A kind of protective fence adhesive, preparation method and the highway protective fence being made from it |
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| CN106189978B true CN106189978B (en) | 2019-03-08 |
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| JP3685791B2 (en) * | 2003-08-08 | 2005-08-24 | 日東電工株式会社 | Adhesive sheet for steel plate |
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|---|---|---|---|---|
| CN1425042A (en) * | 2000-04-20 | 2003-06-18 | 万迪科股份公司 | Coherent insert |
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