CN109021898A - It is used to prepare the two-component toughening winding gas cylinder glue and preparation method thereof of compressed natural gas steel inner container hoop winding gas cylinder - Google Patents
It is used to prepare the two-component toughening winding gas cylinder glue and preparation method thereof of compressed natural gas steel inner container hoop winding gas cylinder Download PDFInfo
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- CN109021898A CN109021898A CN201810677665.4A CN201810677665A CN109021898A CN 109021898 A CN109021898 A CN 109021898A CN 201810677665 A CN201810677665 A CN 201810677665A CN 109021898 A CN109021898 A CN 109021898A
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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
- C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
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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
- C09J11/06—Non-macromolecular additives organic
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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
- C09J11/08—Macromolecular additives
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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
- C08L2205/06—Polymer mixtures characterised by other features having improved processability or containing aids for moulding methods
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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
- C08L2205/22—Mixtures comprising a continuous polymer matrix in which are dispersed crosslinked particles of another polymer
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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
- C08L2312/00—Crosslinking
Abstract
The present invention discloses a kind of two-component toughening winding gas cylinder glue and preparation method thereof for being used to prepare compressed natural gas steel inner container hoop winding gas cylinder, its raw material is made of tetra- components of A, B, C and D, and component A, B component, the weight ratio of C component and D component in two-component toughening winding gas cylinder glue are as follows: 100: 80~100: 20~60: 0.1~3；Wherein, component A is bisphenol A type epoxy resin or modified bisphenol A type epoxy resin, B component be epoxidation silicon oil modified curing agent, C component be fatty alcohol glycidol ether, polyurethane or nitrile rubber, phthalate three kinds of substances mixture, D component be curing accelerator.Epoxy gas cylinder glue of the invention has good performance after the solidification of CNG winding gas cylinder, and winding layer fracture toughness is substantially improved, and especially withdraws deposit in gas cylinder hydraulic pressure from next, winding layer circumferential direction cracking phenomena has extraordinary improvement.
Description
Technical field
The present invention relates to epoxy resin adhesive liquids, and in particular to one kind is used to prepare the winding of compressed natural gas steel inner container circumferential direction
Two-component toughening winding gas cylinder glue of gas cylinder and preparation method thereof.
Background technique
China's natural gas automobile passes through development in more than 50 years, has formd than more complete industrial chain.Country decontrols
The supply of natural gas used for automobile, appropriate Zeng Jian gas station control the reasonable price ratio between natural gas and gasoline, cause China
CNGV completes Fast growth phase.Natural gas vehicle ownership increases year after year, and China's natural gas car ownership has surpassed at present
5,000,000 are crossed, is ranked first in the world.
CNG winding gas cylinder is closed at one end, one end there are the typical high voltage Seamless Pressure Vessels of cylinder valve interface, is suitable for
Hire a car, minibus, bus, bogie, sanitation cart etc. are using CNG as the storage container of clean fuel, operating temperature is -40
DEG C~60 DEG C.
Steel inner container for containing compressed natural gas hoop winding gas cylinder is made of steel inner container and circumferential winding composite layer, is wound
The layer matrix used resin of composite material is thermosetting property or thermoplastic resin, such as epoxy resin, modified epoxy, polyamide
With vinyl resins etc., it is used as primary binder, plays the role of connecting fiber, transmitting stress.Wherein, epoxy resin refers to
Containing the organic high molecular compound of two or more epoxy groups in molecule, can be crosslinked instead by the way that curing agent is added
It answers and forms the insoluble high polymer with three-dimensional reticular structure, to show excellent physical mechanical property and chemically
Energy.Therefore, epoxy resin is widely used as the matrix resin of winding layer composite material.
Find in practical applications, there is many defects for glass fiber hoop winding gas cylinder: first is that glass fibers maintain it is non-
Metal, liner system metal, the elastic mould value difference of the two is very big, and using after a certain period of time, winding layer stress decay is caused interior
Gallbladder volume swells, and generates permanent deformation (after a threshold value, gas cylinder will be scrapped immediately)；Second is that the coefficient of thermal expansion of the two is poor
It is not big, it is easy circumferential crack occur in the winding layer surface of gas cylinder, steam is caused to immerse cylinder liner surface, form corrosion, produce
It is raw dangerous.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide one kind to be used to prepare in compressed natural gas steel
The two-component toughening winding gas cylinder glue of gallbladder hoop winding gas cylinder, with excellent fracture toughness and tensile resistance；The epoxy
Resin adhesive liquid can be used for preparing compressed natural gas steel inner container hoop winding gas cylinder；Epoxy gas cylinder glue is meeting elongation at break
In the case where 4%, glass transition temperature is greater than 102 DEG C, effectively overcomes the contradiction between toughness and glass transition temperature.Effectively
Winding gas cylinder hydraulic pressure is improved from next winding layer circumferential crack problem.
There is provided a kind of compressed natural gas steel inner container hoop winding gas cylinders of being used to prepare for another object of the present invention
The preparation method of two-component toughening winding gas cylinder glue.
To realize that above-mentioned first purpose, one kind designed by the present invention are used to prepare compressed natural gas steel inner container circumferential direction and twine
Around the two-component toughening winding gas cylinder glue of gas cylinder, its raw material is made of tetra- components of A, B, C and D, and two-component toughening twines
Component A, the weight ratio of B component, C component and D component in gas cylinder glue are as follows: 100: 80~100: 20~60: 0.1~3；Wherein,
Component A be bisphenol A type epoxy resin or modified bisphenol A type epoxy resin,
B component is epoxidation silicon oil modified curing agent,
C component be fatty alcohol glycidol ether, polyurethane or nitrile rubber, phthalate three kinds of substances it is mixed
Object is closed,
D component is curing accelerator.
Further, in the two-component toughening winding gas cylinder glue, component A, B component, the weight ratio of C component and D component
Are as follows: 100: 90~100: 30~50: 0.4~3.
Still further, the epoxidation silicon oil modified curing agent is selected from epoxidation silicon oil modified methyl hexahydrobenzene
Acid anhydride, epoxidation silicon oil modified methyl tetrahydro phthalic anhydride, epoxidation silicon oil modified hexahydrophthalic anhydride and epoxidation silicon oil modified four
Hydrogen phthalic anhydride.
Still further, in the epoxidation silicon oil modified curing agent, epoxidation silicon oil be epoxide number be 0.01~
The side ring oxygroup silicone oil of 0.5mol/100g；The dosage of epoxidation silicon oil is the 1% of epoxidation silicon oil modified curing agent total weight
~10%.
Still further, fatty alcohol glycidol ether, polyurethane or nitrile rubber, phthalic acid ester in the C component
Three kinds of substances of class and the weight ratio of component A are 10~30: 5~20: 5~20: 100.
Still further, the C component is by two fourth of C12-14 alcohol glycidol ether (AGE), polyurethane and phthalic acid
The mixture of ester (DBP) composition；The weight ratio of they and component A is 20~30: 5~10: 5~10: 100.
Still further, the curing accelerator is selected from N, N- dimethyl benzylamine, acid anhydrides promotor.
Still further, its raw material is made of tetra- components of A, B, C and D, and A in two-component toughening winding gas cylinder glue
Component, B component, the weight ratio of C component and D component are as follows: 100: 93: 32: 0.5；Wherein,
Component A is bisphenol A type epoxy resin,
B component is epoxidation silicon oil modified methyl hexahydrophthalic anhydride, and epoxidation silicon oil is that epoxide number is 0.01~0.5mol/
The side ring oxygroup silicone oil of 100g；The dosage of epoxidation silicon oil is the 1%~10% of epoxidation silicon oil modified curing agent total weight；
C component be C12-14 fatty alcohol glycidol ether, polyurethane, phthalate three kinds of substances mixing
Object, the weight ratio of they and component A are 20: 6: 6: 100；
D component is N, N- dimethyl benzylamine.
In order to realize the second purpose, above-mentioned to be used to prepare compressed natural gas steel inner container circumferential the present invention also provides a kind of
The preparation method of the two-component toughening winding gas cylinder glue of winding gas cylinder, comprising the following steps:
1) fatty alcohol glycidol ether, polyurethane or nitrile rubber, phthalate are stirred and evenly mixed, obtains C group
Part；
2) component A, B component, C component and D component are weighed by above-mentioned weight ratio, it is spare；
3) component A, B component, C component and D component are mixed, vacuum defoamation forms two-component toughening winding gas cylinder
Glue.The mechanical index (being free of glass) of two-component toughening winding gas cylinder glue: glass transition temperature > 102 DEG C, bending strength
121.2MPa, tensile strength 63.1MPa, elongation 4.5%.
Preferably, the step 2), the method for preparing B component are as follows:
By curing agent with epoxidation silicon oil by mixing, imports in closed band heating transit mixer, is heated to 60~70 DEG C,
Stir evenly, obtain epoxidation silicon oil modified curing agent, it is spare, wherein epoxidation silicon oil be epoxide number be 0.01~
The side ring oxygroup silicone oil of 0.5mol/100g；The dosage of epoxidation silicon oil is the 1% of epoxidation silicon oil modified curing agent total weight
~10%.
In real use process, epoxy gas cylinder glue can be staged curing in medium temperature progress, to reach optimum performance.
The condition of cure are as follows: 1h is kept at 80 DEG C, then heat up 110 DEG C of 2~3h of holding, is then warming up to 135 DEG C
2~3h is kept, then is down to room temperature.
Epoxy gas cylinder glue of the invention is a kind of formula system of the optimization of epoxy resin, has suitable viscosity, moderate
Gel time, be suitable for CNG gas cylinder winding process, by gradient step rise heating cure, to reach optimum efficiency.
The present invention uses polyurethane and phthalate two-component flexibilizing epoxy system, solid by polyurethane and resin
It is cross-linked to form " island structure " in change and increases resin system toughness, resin system flexibility is increased by phthalate, with
Improve gas cylinder winding layer flexibility and heat resistance.The present invention effectively overcomes the contradiction between toughness and glass transition temperature.
Beneficial effects of the present invention:
Epoxy gas cylinder glue of the invention has good performance after the solidification of CNG winding gas cylinder, and winding layer fracture toughness has
It is substantially improved, especially withdraws deposit in gas cylinder hydraulic pressure from next, winding layer circumferential direction cracking phenomena has extraordinary improvement.
Specific embodiment
The present invention is described in further detail combined with specific embodiments below, so as to those skilled in the art understand that.
Following substances used are purchased from market,
Bisphenol A type epoxy resin model CYD-128,
Polyurethane model VE-2 surprise scholar's toughener,
Acid anhydrides promotor model BDMA promotor；
Embodiment 1
It is used to prepare the preparation side of the two-component toughening winding gas cylinder glue 1 of compressed natural gas steel inner container hoop winding gas cylinder
Method, comprising the following steps:
1) by 20 parts of C12-14 fatty alcohol glycidol ether, 6 parts of VE-2 surprise scholar toughener, 6 parts of phthalic acid
Esters stir and evenly mix, and obtain C component；
2) methyl hexahydrophthalic anhydride is pressed with epoxidation silicon oil and is mixed, imported in closed band heating transit mixer, be heated to
It 60~70 DEG C, stirs evenly, obtains epoxidation silicon oil modified methyl hexahydrophthalic anhydride, as B component is spare, wherein epoxidation
Silicone oil is the side ring oxygroup silicone oil that epoxide number is 0.01~0.5mol/100g；The dosage of epoxidation silicon oil changes for epoxidation silicon oil
The 1%~10% of the curing agent total weight of property；
3) 100 parts of CYD-128 type bisphenol A type epoxy resin, 93 parts of B component, 32 parts of C component and 0.5 part are weighed
N, N- dimethyl benzylamine is spare；
4) by CYD-128 type bisphenol A type epoxy resin, B component, C component and N, N- dimethyl benzylamine is added clean closed
With stirring, heating device reactor in mixing, after mixing evenly vacuumizing and defoaming form two-component toughening winding gas cylinder
Glue 1.
It is prepared using the two-component toughening winding gas cylinder glue 1 for being used to prepare compressed natural gas steel inner container hoop winding gas cylinder
Winding layer composite material is obtained, in real use process, epoxy gas cylinder glue can be staged curing in medium temperature progress, to reach most
Best performance.The condition of cure are as follows: 1h is kept at 80 DEG C, then heat up 110 DEG C of 2~3h of holding, is then warming up to 135 DEG C of guarantors
2~3h is held, then is down to room temperature.And according to GB24160-2009 " steel inner container for containing compressed natural gas hoop winding gas cylinder "
Method described in standard measures its mechanical property.Test result shows, the interlaminar shear strength of the winding layer composite material
For 85.6MPa, tensile strength 1350MPa.
Embodiment 2
It is used to prepare the preparation side of the two-component toughening winding gas cylinder glue 2 of compressed natural gas steel inner container hoop winding gas cylinder
Method, comprising the following steps:
1) by 30 parts of C12-14 fatty alcohol glycidol ether, 5 parts of VE-2 surprise scholar toughener, 5 parts of phthalic acid
Esters stir and evenly mix, and obtain C component；
2) methyl hexahydrophthalic anhydride is pressed with epoxidation silicon oil and is mixed, imported in closed band heating transit mixer, be heated to
It 60~70 DEG C, stirs evenly, obtains epoxidation silicon oil modified methyl hexahydrophthalic anhydride, as B component is spare, wherein epoxidation
Silicone oil is the side ring oxygroup silicone oil that epoxide number is 0.01~0.5mol/100g；The dosage of epoxidation silicon oil changes for epoxidation silicon oil
The 1%~10% of the curing agent total weight of property；
3) 100 parts of CYD-128 type bisphenol A type epoxy resin, 80 parts of B component, 40 parts of C component and 1 part are weighed
N, N- dimethyl benzylamine, it is spare；
4) by CYD-128 type bisphenol A type epoxy resin, B component, C component and N, N- dimethyl benzylamine is added clean close
The interior mixing of the reactor with stirring, heating device closed, vacuumizing and defoaming winds gas into two-component toughening after mixing evenly
Bottle glue 2.
Using the two-component toughening winding gas cylinder glue 2 for being used to prepare compressed natural gas steel inner container hoop winding gas cylinder
Winding layer composite material is prepared, in real use process, epoxy gas cylinder glue can be staged curing in medium temperature progress, to reach
To optimum performance.The condition of cure are as follows: 1h is kept at 80 DEG C, then heat up 110 DEG C of 2~3h of holding, is then warming up to 135
DEG C 2~3h is kept, then is down to room temperature.And " steel inner container for containing compressed natural gas circumferential direction is wound according to GB24160-2009
Gas cylinder " method described in standard measures its mechanical property.Test result shows, the interlayer shear of the winding layer composite material
Intensity is 78.5MPa, tensile strength 1325MPa.
Embodiment 3
The present embodiment and 1 step of embodiment are essentially identical, the difference is that:
The raw material of two-component toughening winding gas cylinder glue 3 is made of tetra- components of A, B, C and D, and two-component toughening winds gas
Component A, B component, the weight ratio of C component and D component in bottle glue are as follows: 100: 100: 40: 2；Wherein,
Component A is modified bisphenol A type epoxy resin,
B component is epoxidation silicon oil modified methyl tetrahydro phthalic anhydride, and epoxidation silicon oil is that epoxide number is 0.01~0.5mol/
The side ring oxygroup silicone oil of 100g；The dosage of epoxidation silicon oil is the 1% of epoxidation silicon oil modified methyl tetrahydro phthalic anhydride total weight
~10%；
C12-14 fatty alcohol glycidol ether, 10 part of polyurethane, 10 part of phthalic acid ester of the C component for 20 parts
The mixture of three kinds of substances of class；
D component is N, N- dimethyl benzylamine.
Winding layer composite material is prepared using two-component toughening winding gas cylinder glue 3, in real use process, epoxy
Gas cylinder glue can be staged curing in medium temperature progress, to reach optimum performance.The condition of cure are as follows: 1h is kept at 80 DEG C, so
Heat up 110 DEG C of 2~3h of holding afterwards, is then warming up to 135 DEG C of 2~3h of holding, then be down to room temperature.And as described above
Method measures its mechanical property.Test result shows that the interlaminar shear strength of the winding layer composite material is 80.3MPa,
Tensile strength is 1332MPa.
Embodiment 4
The present embodiment and 1 step of embodiment are essentially identical, the difference is that:
The raw material of two-component toughening winding gas cylinder glue 4 is made of tetra- components of A, B, C and D, and two-component toughening winds gas
Component A, B component, the weight ratio of C component and D component in bottle glue are as follows: 100: 90: 60: 3；Wherein,
Component A is CYD-128 type bisphenol A type epoxy resin,
B component is epoxidation silicon oil modified hexahydrophthalic anhydride, and epoxidation silicon oil is that epoxide number is 0.01~0.5mol/
The side ring oxygroup silicone oil of 100g；The dosage of epoxidation silicon oil be epoxidation silicon oil modified hexahydrophthalic anhydride total weight 1%~
10%；
C component is 30 parts of C12-14 fatty alcohol glycidol ether, 15 parts of VE-2 surprise scholar toughener, 15 parts of adjacent benzene two
The mixture of three kinds of substances of formate ester；
D component is acid anhydrides promotor.
It is prepared and is twined using the epoxy gas cylinder glue 4 for steel inner container for containing compressed natural gas hoop winding gas cylinder
Winding layer composite material, in real use process, epoxy gas cylinder glue can be staged curing in medium temperature progress, to reach optimality
Energy.The condition of cure are as follows: 1h is kept at 80 DEG C, then heat up 110 DEG C of 2~3h of holding, is then warming up to 135 DEG C and keeps 2
~3h, then it is down to room temperature.And method as described above measures its mechanical property.Test result is shown, described to twine
The interlaminar shear strength of winding layer composite material is 79.6MPa, tensile strength 1338MPa.
As seen from the above embodiment, two-component toughening winding gas cylinder glue impregnated glass fiber provided by the invention, it is cured
Etc. forming composite material, for tensile strength in 1325MPa or more, interlaminar shear strength has preferable power up to 85.6MPa
Learn performance.
Other unspecified parts are the prior art.Although above-described embodiment is made that the present invention and retouches in detail
State, but it is only a part of the embodiment of the present invention, rather than whole embodiments, people can also according to the present embodiment without
Other embodiments are obtained under the premise of creativeness, these embodiments belong to the scope of the present invention.
Claims (10)
1. a kind of two-component toughening winding gas cylinder glue for being used to prepare compressed natural gas steel inner container hoop winding gas cylinder, feature
Be: its raw material is made of tetra- components of A, B, C and D, and component A, B component, C component in two-component toughening winding gas cylinder glue
With the weight ratio of D component are as follows: 100: 80~100: 20~60: 0.1~3；Wherein,
Component A be bisphenol A type epoxy resin or modified bisphenol A type epoxy resin,
B component is epoxidation silicon oil modified curing agent,
C component be fatty alcohol glycidol ether, polyurethane or nitrile rubber, phthalate three kinds of substances mixing
Object,
D component is curing accelerator.
2. being used to prepare the two-component toughening winding of compressed natural gas steel inner container hoop winding gas cylinder according to claim 1
Gas cylinder glue, it is characterised in that: in the two-component toughening winding gas cylinder glue, component A, B component, the weight ratio of C component and D component
Are as follows: 100: 90~100: 30~50: 0.4~3.
3. the two-component toughening according to claim 1 or claim 2 for being used to prepare compressed natural gas steel inner container hoop winding gas cylinder
Winding gas cylinder glue, it is characterised in that: the epoxidation silicon oil modified curing agent is selected from epoxidation silicon oil modified methyl hexahydro
Phthalic anhydride, epoxidation silicon oil modified methyl tetrahydro phthalic anhydride, epoxidation silicon oil modified hexahydrophthalic anhydride and epoxidation silicon oil modified
Tetrahydrophthalic anhydride.
4. being used to prepare the two-component toughening winding of compressed natural gas steel inner container hoop winding gas cylinder according to claim 3
Gas cylinder glue, it is characterised in that: in the epoxidation silicon oil modified curing agent, epoxidation silicon oil be epoxide number be 0.01~
The side ring oxygroup silicone oil of 0.5mol/100g；The dosage of epoxidation silicon oil is the 1% of epoxidation silicon oil modified curing agent total weight
~10%.
5. the two-component toughening according to claim 1 or claim 2 for being used to prepare compressed natural gas steel inner container hoop winding gas cylinder
Winding gas cylinder glue, it is characterised in that: fatty alcohol glycidol ether, polyurethane or nitrile rubber, phthalic acid in the C component
Three kinds of substances of esters and the weight ratio of component A are 10~30: 5~20: 5~20: 100.
6. the two-component toughening according to claim 1 or claim 2 for being used to prepare compressed natural gas steel inner container hoop winding gas cylinder
Winding gas cylinder glue, it is characterised in that: the C component is by C12-14 alcohol glycidol ether, polyurethane and dibutyl phthalate
The mixture of composition；The weight ratio of they and component A is 20~30: 5~10: 5~10: 100.
7. the two-component toughening according to claim 1 or claim 2 for being used to prepare compressed natural gas steel inner container hoop winding gas cylinder
Winding gas cylinder glue, it is characterised in that: the curing accelerator is selected from N, N- dimethyl benzylamine and acid anhydrides promotor.
8. the two-component toughening according to claim 1 or claim 2 for being used to prepare compressed natural gas steel inner container hoop winding gas cylinder
Winding gas cylinder glue, it is characterised in that: its raw material is made of tetra- components of A, B, C and D, and two-component toughening winding gas cylinder glue
Middle component A, B component, the weight ratio of C component and D component are as follows: 100: 93: 32: 0.5；Wherein,
Component A is bisphenol A type epoxy resin,
B component is epoxidation silicon oil modified methyl hexahydrophthalic anhydride, and epoxidation silicon oil is that epoxide number is 0.01~0.5mol/100g
Side ring oxygroup silicone oil；The dosage of epoxidation silicon oil is the 1%~10% of epoxidation silicon oil modified curing agent total weight；
C component be C12-14 fatty alcohol glycidol ether, polyurethane, phthalate three kinds of substances mixture, it
With the weight ratio of component A be 20: 6: 6: 100；
D component is N, N- dimethyl benzylamine.
9. a kind of two-component toughening as claimed in claim 1 or 2 for being used to prepare compressed natural gas steel inner container hoop winding gas cylinder
The preparation method of winding gas cylinder glue, it is characterised in that: the following steps are included:
1) fatty alcohol glycidol ether, polyurethane or nitrile rubber, phthalate are stirred and evenly mixed, obtains C component；
2) component A, B component, C component and D component are weighed by above-mentioned weight ratio, it is spare；
3) component A, B component, C component and D component are mixed, vacuum defoamation forms two-component toughening winding gas cylinder glue.
10. the two-component toughening for being used to prepare compressed natural gas steel inner container hoop winding gas cylinder according to claim 9 twines
Around the preparation method of gas cylinder glue, it is characterised in that: the step 2), the method for preparing B component are as follows:
By curing agent with epoxidation silicon oil by mixing, imports in closed band heating transit mixer, be heated to 60~70 DEG C, stirring
Uniformly, epoxidation silicon oil modified curing agent is obtained, it is spare, wherein epoxidation silicon oil is that epoxide number is 0.01~0.5mol/
The side ring oxygroup silicone oil of 100g；The dosage of epoxidation silicon oil is the 1%~10% of epoxidation silicon oil modified curing agent total weight.
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| CN110183819A (en) * | 2019-03-15 | 2019-08-30 | 络合高新材料(上海)有限公司 | A kind of respirator composite cylinder special epoxy resin glue and preparation method thereof |
| CN113484102A (en) * | 2021-07-12 | 2021-10-08 | 吉林化工学院 | Petroleum refining gas sampler and sampling method of carbon fiber composite material |
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| CN1796455A (en) * | 2004-12-20 | 2006-07-05 | 中国科学院广州化学研究所 | Epoxidation silicon oil modified three kinds of composite material of epoxy resin |
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| CN102827457A (en) * | 2012-09-12 | 2012-12-19 | 自贡大业高压容器有限责任公司 | Epoxy resin composition for automobile compressed natural gas steel inner liner ring-direction winding gas cylinder, and preparation method thereof |
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