CN109776884A - A kind of Novel ultralow-temperature thermal insulation material - Google Patents
A kind of Novel ultralow-temperature thermal insulation material Download PDFInfo
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- CN109776884A CN109776884A CN201711109265.5A CN201711109265A CN109776884A CN 109776884 A CN109776884 A CN 109776884A CN 201711109265 A CN201711109265 A CN 201711109265A CN 109776884 A CN109776884 A CN 109776884A
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Abstract
The invention discloses a kind of Novel ultralow-temperature thermal insulation materials, belong to thermal insulation material technical field, purpose is reinforcing material intensity, improve the service life of ultralow temperature insulating product, including natural rubber, nitrile rubber, silicon rubber, chlorohydrin rubber, polyurethane rubber, ethylene propylene diene rubber, acrylic rubber, thermoplastic polyolefin vulcanizes body, poly- methyl ethylene trifluoropropyl siloxane rubber, perfluoroelastomers, bisphenol AF, aromatic naphtha, stearic acid, coupling agent, plant polyphenol, palmitamide, methyl propionate, salicylic acid, iron oxide red, titanium dioxide, styrenated phenol, anti-aging agent, aromatic polyester polyol, sodium bicarbonate, perlite, pitchstone, obsidian, modified rubber powder etc..The present invention can obtain extraordinary intensity and resistance to compression compression permanent deformation effect.
Description
Technical field
The invention belongs to thermal insulation material technical fields, and in particular to a kind of low-temperature insulation material.
Background technique
Ultra-low temperature heat preservation material is widely used in liquid nitrogen container, biology laboratory etc. require ultralow temperature dimensionally stable,
The features such as compression strength is high under ultralow temperature, cold insulation is kept the temperature；For a long time, polyurethane foam plastics is due to light-weight, thermally conductive
The features such as coefficient is low, specific strength is high becomes one of the primary raw material of production low-temperature insulation material.But polyurethane material is anti-
Ying Zhong is needed using freon, may be damaged to atmospheric ozone layer, and the requirement of International Environmental Protection tissue is not achieved；Together
When, poor dimensional stability under polyurethane plastics low temperature, resilience is poor, and resistance to compression compression permanent deformation is poor, is easily deformed cracking, low temperature
Lower compression strength is lower, cannot satisfy the use demand.Therefore it needs to select and uses Novel ultralow-temperature thermal insulation material, strengthening material
Expect intensity, improves the service life of ultralow temperature insulating product.
Summary of the invention
It is an object of the invention to: it is directed to problem of the prior art, a kind of Novel ultralow-temperature thermal insulation material, strengthening material are provided
Expect intensity, improves the service life of ultralow temperature insulating product.
The technical solution adopted by the invention is as follows:
A kind of Novel ultralow-temperature thermal insulation material, including following raw material by weight: 45-80 parts of natural rubber, butyronitrile rubber
15-25 parts of glue, 21-29 parts of silicon rubber, 38-110 parts of chlorohydrin rubber, 28-67 parts of polyurethane rubber, ethylene propylene diene rubber 20-35
Part, 21-34 parts of acrylic rubber, thermoplastic polyolefin vulcanizes body 21-29 parts, poly- methyl ethylene trifluoropropyl siloxane
5-8 parts of rubber, 6-9 parts of perfluoroelastomers, 1-7 parts of rosin resin, 2-4 parts of bisphenol AF, 2-6 parts of aromatic naphtha, 1-3 parts of stearic acid,
1-4 parts of coupling agent, 1-3 parts of plant polyphenol, 5-12 parts of Petropols, double 2-3 parts of the octadecyl esters of propiono phosphoric acid, palmitamide
2-4 parts, 2-3 parts of methyl propionate, to 2-4 parts of benzene diamine, 3-5 parts of muscone, 1-3 parts of salicylic acid, 11-29 parts of clay, aromatic hydrocarbons
It is 1-4 parts oily, 2-3 parts of carbon black, 1-4 parts of iron oxide red, 4-6 parts of titanium dioxide, 2-5 parts of naphthenic oil, 2-4 parts of styrenated phenol, carbon
4-5 parts of sour hydrogen magnesium, 4-5 parts of anti-aging agent, 1-2 parts of sulphur, 6-14 parts of aromatic polyester polyol, 1-5 parts of microcrystalline wax, carbonic acid
1-2 parts of hydrogen sodium, 1-5 parts of perlite, 2-3 parts of pitchstone, 2-3 parts of obsidian, 16-20 parts of modified rubber powder.
Further, the Novel ultralow-temperature thermal insulation material includes following raw material by weight: 75 parts of natural rubber, fourth
23 parts of nitrile rubber, 26 parts of silicon rubber, 101 parts of chlorohydrin rubber, 50 parts of polyurethane rubber, 21 parts of ethylene propylene diene rubber, acrylic acid
25 parts of ester rubber, 24 parts of body of thermoplastic polyolefin vulcanization, poly- 7 parts of methyl ethylene trifluoropropyl siloxane rubber, perfluoroether rubber
7 parts of glue, 4 parts of rosin resin, 3 parts of bisphenol AF, 4 parts of aromatic naphtha, 2 parts of stearic acid, 2 parts of coupling agent, 3 parts of plant polyphenol, petroleum tree
9 parts of rouge, double 3 parts of the octadecyl esters of propiono phosphoric acid, 3 parts of palmitamide, 2 parts of methyl propionate, to 3 parts of benzene diamine, muscone 4
Part, 2 parts of salicylic acid, 20 parts of clay, 4 parts of aromatic naphtha, 2 parts of carbon black, 2 parts of iron oxide red, 5 parts of titanium dioxide, 4 parts of naphthenic oil, benzene second
3 parts of alkylene phenol, 5 parts of magnesium bicarbonate, 5 parts of anti-aging agent, 2 parts of sulphur, 11 parts of aromatic polyester polyol, 4 parts of microcrystalline wax,
2 parts of sodium bicarbonate, 4 parts of perlite, 2 parts of pitchstone, 2 parts of obsidian, 18 parts of modified rubber powder.
Further, the aromatic polyester polyol hydroxyl value 483-655KOHmg/g, viscosity 600-2000MPas.
Further, the modified rubber powder include be prepared from the following raw materials: deionized water, nylon, sludge, active carbon and
Zeolite powder.
Further, the mass ratio of the active carbon and zeolite powder is 2.5:1.3.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
In the present invention, by by natural rubber, nitrile rubber, chlorohydrin rubber silicon rubber, polyurethane rubber, ethylene-propylene-diene monomer
The mixed smelting of glue, acrylic rubber and perfluoroelastomers, it is complementary by the characteristic between each rubber, it can very big journey
Degree avoids the natural defect of each rubber, and synthesis simultaneously gives full play to good characteristics and performance that each rubber has, makes to prepare
Low-temperature insulation material have excellent oil resistivity, oxidative resistance, anti-aging and wearability etc..
Thermoplastic polyolefin vulcanizes the addition of body, and resulting low-temperature insulation material is made to have excellent cold resistance and incompressible
Permanent deformation；The addition of poly- methyl ethylene trifluoropropyl siloxane rubber and perfluoroelastomers can make the intensity, resistance to of material
Mill property, heat-resistant aging, oxidative resistance and incompressible set resistant improve a lot compared with General Purpose Rubber material, meanwhile, it is resistance to tired
Labor, chemicals-resistant and processing stability etc. also have clear improvement；By the way that plant polyphenol, Petropols, propiono phosphoric acid is added
Double octadecyl esters, palmitamide, methyl propionate, to benzene diamine, aromatic naphtha, microcrystalline wax, boron carbide, magnesium stearate gathers different
Butene rubber, magnesium bicarbonate, anti-aging agent, it is ensured that the anti-aging of premixing glue is further enhanced in the excellent performance of premixing glue
With resistance to compression compression permanent deformation；Pass through tea polyphenols, muscone, salicylic acid, clay, rosin resin, styrenated phenol, dioxy
The addition for changing titanium, can promote the toughness, inoxidizability and intensity of thermal insulation material, cooperate above-mentioned plant polyphenol, artificial musk deer
Perfume (or spice), salicylic acid, clay, aromatic naphtha and carbon black etc. can further promote the anti-old property of rubber itself and reduce rubber compound
The mixing difficulty of body, at the same make the present invention have excellent compression set, excellent storage stability and it is good plus
Work performance.
The addition of aromatic polyester polyol and microcrystalline wax makes the low-temperature insulation material produced have low temperature process
Good, high-intensitive feature, uses, dimensionally stable, thermal insulation is good in the environment of freezing.
Low-temperature insulation material obtained through the invention can obtain extraordinary intensity and resistance to compression compression permanent deformation effect
Fruit, while the wearability of thermal insulation material, oxidative resistance, resistance to ag(e)ing, anti-dynamic fatigue also have very good performance.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, is not used to
Limit the present invention.
A kind of Novel ultralow-temperature thermal insulation material, including following raw material by weight: 45-80 parts of natural rubber, butyronitrile rubber
15-25 parts of glue, 21-29 parts of silicon rubber, 38-110 parts of chlorohydrin rubber, 28-67 parts of polyurethane rubber, ethylene propylene diene rubber 20-35
Part, 21-34 parts of acrylic rubber, thermoplastic polyolefin vulcanizes body 21-29 parts, poly- methyl ethylene trifluoropropyl siloxane
5-8 parts of rubber, 6-9 parts of perfluoroelastomers, 1-7 parts of rosin resin, 2-4 parts of bisphenol AF, 2-6 parts of aromatic naphtha, 1-3 parts of stearic acid,
1-4 parts of coupling agent, 1-3 parts of plant polyphenol, 5-12 parts of Petropols, double 2-3 parts of the octadecyl esters of propiono phosphoric acid, palmitamide
2-4 parts, 2-3 parts of methyl propionate, to 2-4 parts of benzene diamine, 3-5 parts of muscone, 1-3 parts of salicylic acid, 11-29 parts of clay, aromatic hydrocarbons
It is 1-4 parts oily, 2-3 parts of carbon black, 1-4 parts of iron oxide red, 4-6 parts of titanium dioxide, 2-5 parts of naphthenic oil, 2-4 parts of styrenated phenol, carbon
4-5 parts of sour hydrogen magnesium, 4-5 parts of anti-aging agent, 1-2 parts of sulphur, 6-14 parts of aromatic polyester polyol, 1-5 parts of microcrystalline wax, carbonic acid
1-2 parts of hydrogen sodium, 1-5 parts of perlite, 2-3 parts of pitchstone, 2-3 parts of obsidian, 16-20 parts of modified rubber powder.
Further, the Novel ultralow-temperature thermal insulation material includes following raw material by weight: 75 parts of natural rubber, fourth
23 parts of nitrile rubber, 26 parts of silicon rubber, 101 parts of chlorohydrin rubber, 50 parts of polyurethane rubber, 21 parts of ethylene propylene diene rubber, acrylic acid
25 parts of ester rubber, 24 parts of body of thermoplastic polyolefin vulcanization, poly- 7 parts of methyl ethylene trifluoropropyl siloxane rubber, perfluoroether rubber
7 parts of glue, 4 parts of rosin resin, 3 parts of bisphenol AF, 4 parts of aromatic naphtha, 2 parts of stearic acid, 2 parts of coupling agent, 3 parts of plant polyphenol, petroleum tree
9 parts of rouge, double 3 parts of the octadecyl esters of propiono phosphoric acid, 3 parts of palmitamide, 2 parts of methyl propionate, to 3 parts of benzene diamine, muscone 4
Part, 2 parts of salicylic acid, 20 parts of clay, 4 parts of aromatic naphtha, 2 parts of carbon black, 2 parts of iron oxide red, 5 parts of titanium dioxide, 4 parts of naphthenic oil, benzene second
3 parts of alkylene phenol, 5 parts of magnesium bicarbonate, 5 parts of anti-aging agent, 2 parts of sulphur, 11 parts of aromatic polyester polyol, 4 parts of microcrystalline wax,
2 parts of sodium bicarbonate, 4 parts of perlite, 2 parts of pitchstone, 2 parts of obsidian, 18 parts of modified rubber powder.
Further, the aromatic polyester polyol hydroxyl value 483-655KOHmg/g, viscosity 600-2000MPas.
Further, the modified rubber powder include be prepared from the following raw materials: deionized water, nylon, sludge, active carbon and
Zeolite powder.
Further, the mass ratio of the active carbon and zeolite powder is 2.5:1.3.
Embodiment 1
A kind of Novel ultralow-temperature thermal insulation material, 75 parts of natural rubber, 23 parts of nitrile rubber, 26 parts of silicon rubber, chlorohydrin rubber
101 parts, 50 parts of polyurethane rubber, 21 parts of ethylene propylene diene rubber, 25 parts of acrylic rubber, thermoplastic polyolefin vulcanizes body 24
Part, poly- 7 parts of methyl ethylene trifluoropropyl siloxane rubber, 7 parts of perfluoroelastomers, 4 parts of rosin resin, 3 parts of bisphenol AF, virtue
4 parts of hydrocarbon ils, 2 parts of stearic acid, 2 parts of coupling agent, 3 parts of plant polyphenol, 9 parts of Petropols, double 3 parts of the octadecyl esters of propiono phosphoric acid, palm fibre
3 parts of palmitic acid acid amide, 2 parts of methyl propionate, to 3 parts of benzene diamine, 4 parts of muscone, 2 parts of salicylic acid, 20 parts of clay, aromatic naphtha 4
Part, 2 parts of carbon black, 2 parts of iron oxide red, 5 parts of titanium dioxide, 4 parts of naphthenic oil, 3 parts of styrenated phenol, 5 parts of magnesium bicarbonate, prevent old
5 parts of agent, 2 parts of sulphur, 11 parts of aromatic polyester polyol, 4 parts of microcrystalline wax, 2 parts of sodium bicarbonate, 4 parts of perlite, pitchstone 2
Part, 2 parts of obsidian, 18 parts of modified rubber powder.
In the present embodiment, by by natural rubber, nitrile rubber, chlorohydrin rubber silicon rubber, polyurethane rubber, EPDM
The mixed smelting of rubber, acrylic rubber and perfluoroelastomers, it is complementary by the characteristic between each rubber, it can be very big
Degree avoids the natural defect of each rubber, and synthesis simultaneously gives full play to good characteristics and performance that each rubber has, makes to make
Standby low-temperature insulation material has excellent oil resistivity, oxidative resistance, anti-aging and wearability etc..
Thermoplastic polyolefin vulcanizes the addition of body, and resulting low-temperature insulation material is made to have excellent cold resistance and incompressible
Permanent deformation；The addition of poly- methyl ethylene trifluoropropyl siloxane rubber and perfluoroelastomers can make the intensity, resistance to of material
Mill property, heat-resistant aging, oxidative resistance and incompressible set resistant improve a lot compared with General Purpose Rubber material, meanwhile, it is resistance to tired
Labor, chemicals-resistant and processing stability etc. also have clear improvement；By the way that plant polyphenol, Petropols, propiono phosphoric acid is added
Double octadecyl esters, palmitamide, methyl propionate, to benzene diamine, aromatic naphtha, microcrystalline wax, boron carbide, magnesium stearate gathers different
Butene rubber, magnesium bicarbonate, anti-aging agent, it is ensured that the anti-aging of premixing glue is further enhanced in the excellent performance of premixing glue
With resistance to compression compression permanent deformation；Pass through tea polyphenols, muscone, salicylic acid, clay, rosin resin, styrenated phenol, dioxy
The addition for changing titanium, can promote the toughness, inoxidizability and intensity of thermal insulation material, cooperate above-mentioned plant polyphenol, artificial musk deer
Perfume (or spice), salicylic acid, clay, aromatic naphtha and carbon black etc. can further promote the anti-old property of rubber itself and reduce rubber compound
The mixing difficulty of body, at the same make the present invention have excellent compression set, excellent storage stability and it is good plus
Work performance.
The addition of aromatic polyester polyol and microcrystalline wax makes the low-temperature insulation material produced have low temperature process
Good, high-intensitive feature, uses, dimensionally stable, thermal insulation is good in the environment of freezing.
Low-temperature insulation material obtained through the invention can obtain extraordinary intensity and resistance to compression compression permanent deformation effect
Fruit, while the wearability of thermal insulation material, oxidative resistance, resistance to ag(e)ing, anti-dynamic fatigue also have very good performance.
Embodiment 2
A kind of Novel ultralow-temperature thermal insulation material, 60 parts of natural rubber, 16 parts of nitrile rubber, 25 parts of silicon rubber, chlorohydrin rubber
99 parts, 65 parts of polyurethane rubber, 21 parts of ethylene propylene diene rubber, 31 parts of acrylic rubber, thermoplastic polyolefin vulcanizes body 26
Part, poly- 8 parts of methyl ethylene trifluoropropyl siloxane rubber, 9 parts of perfluoroelastomers, 6 parts of rosin resin, 4 parts of bisphenol AF, virtue
5 parts of hydrocarbon ils, 2 parts of stearic acid, 4 parts of coupling agent, 3 parts of plant polyphenol, 11 parts of Petropols, double 3 parts of the octadecyl esters of propiono phosphoric acid,
4 parts of palmitamide, 22 parts of propionic acid first, to 3 parts of benzene diamine, 4 parts of muscone, 2 parts of salicylic acid, 28 parts of clay, aromatic naphtha 3
Part, 2 parts of carbon black, 2 parts of iron oxide red, 5 parts of titanium dioxide, 4 parts of naphthenic oil, 3 parts of styrenated phenol, 5 parts of magnesium bicarbonate, prevent old
5 parts of agent, 2 parts of sulphur, 13 parts of aromatic polyester polyol, 4 parts of microcrystalline wax, 2 parts of sodium bicarbonate, 4 parts of perlite, pitchstone 2
Part, 2 parts of obsidian, 21 parts of modified rubber powder.
In the present embodiment, by by natural rubber, nitrile rubber, chlorohydrin rubber silicon rubber, polyurethane rubber, EPDM
The mixed smelting of rubber, acrylic rubber and perfluoroelastomers, it is complementary by the characteristic between each rubber, it can be very big
Degree avoids the natural defect of each rubber, and synthesis simultaneously gives full play to good characteristics and performance that each rubber has, makes to make
Standby low-temperature insulation material has excellent oil resistivity, oxidative resistance, anti-aging and wearability etc..
Thermoplastic polyolefin vulcanizes the addition of body, and resulting low-temperature insulation material is made to have excellent cold resistance and incompressible
Permanent deformation；The addition of poly- methyl ethylene trifluoropropyl siloxane rubber and perfluoroelastomers can make the intensity, resistance to of material
Mill property, heat-resistant aging, oxidative resistance and incompressible set resistant improve a lot compared with General Purpose Rubber material, meanwhile, it is resistance to tired
Labor, chemicals-resistant and processing stability etc. also have clear improvement；By the way that plant polyphenol, Petropols, propiono phosphoric acid is added
Double octadecyl esters, palmitamide, methyl propionate, to benzene diamine, aromatic naphtha, microcrystalline wax, boron carbide, magnesium stearate gathers different
Butene rubber, magnesium bicarbonate, anti-aging agent, it is ensured that the anti-aging of premixing glue is further enhanced in the excellent performance of premixing glue
With resistance to compression compression permanent deformation；Pass through tea polyphenols, muscone, salicylic acid, clay, rosin resin, styrenated phenol, dioxy
The addition for changing titanium, can promote the toughness, inoxidizability and intensity of thermal insulation material, cooperate above-mentioned plant polyphenol, artificial musk deer
Perfume (or spice), salicylic acid, clay, aromatic naphtha and carbon black etc. can further promote the anti-old property of rubber itself and reduce rubber compound
The mixing difficulty of body, at the same make the present invention have excellent compression set, excellent storage stability and it is good plus
Work performance.
The addition of aromatic polyester polyol and microcrystalline wax makes the low-temperature insulation material produced have low temperature process
Good, high-intensitive feature, uses, dimensionally stable, thermal insulation is good in the environment of freezing.
Low-temperature insulation material obtained through the invention can obtain extraordinary intensity and resistance to compression compression permanent deformation effect
Fruit, while the wearability of thermal insulation material, oxidative resistance, resistance to ag(e)ing, anti-dynamic fatigue also have very good performance.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (5)
1. a kind of Novel ultralow-temperature thermal insulation material, it is characterised in that: including following raw material by weight: natural rubber 45-80
Part, 15-25 parts of nitrile rubber, 21-29 parts of silicon rubber, 38-110 parts of chlorohydrin rubber, 28-67 parts of polyurethane rubber, EPDM
20-35 parts of rubber, 21-34 parts of acrylic rubber, thermoplastic polyolefin vulcanizes body 21-29 parts, poly- methyl ethylene trifluoropropyl
It is 5-8 parts of radical siloxane rubber, 6-9 parts of perfluoroelastomers, 1-7 parts of rosin resin, 2-4 parts of bisphenol AF, 2-6 parts of aromatic naphtha, stearic
It is 1-3 parts sour, 1-4 parts of coupling agent, 1-3 parts of plant polyphenol, 5-12 parts of Petropols, double 2-3 parts of the octadecyl esters of propiono phosphoric acid, palm
Sour amide 2-4 parts, 2-3 parts of methyl propionate, to 2-4 parts of benzene diamine, 3-5 parts of muscone, 1-3 parts of salicylic acid, clay 11-29
Part, 1-4 parts of aromatic naphtha, 2-3 parts of carbon black, 1-4 parts of iron oxide red, 4-6 parts of titanium dioxide, 2-5 parts of naphthenic oil, styrenated phenol 2-
4 parts, 4-5 parts of magnesium bicarbonate, 4-5 parts of anti-aging agent, 1-2 parts of sulphur, 6-14 parts of aromatic polyester polyol, 1-5 parts of microcrystalline wax,
1-2 parts of sodium bicarbonate, 1-5 parts of perlite, 2-3 parts of pitchstone, 2-3 parts of obsidian, 16-20 parts of modified rubber powder.
2. a kind of Novel ultralow-temperature thermal insulation material according to claim 1, it is characterised in that: including it is following by weight
Raw material: 75 parts of natural rubber, 23 parts of nitrile rubber, 26 parts of silicon rubber, 101 parts of chlorohydrin rubber, 50 parts of polyurethane rubber, ternary second
Third 21 parts of rubber, 25 parts of acrylic rubber, thermoplastic polyolefin vulcanizes 24 parts of body, poly- methyl ethylene trifluoropropyl siloxane
It 7 parts of rubber, 7 parts of perfluoroelastomers, 4 parts of rosin resin, 3 parts of bisphenol AF, 4 parts of aromatic naphtha, 2 parts of stearic acid, 2 parts of coupling agent, plants
3 parts of object polyphenol, 9 parts of Petropols, propiono phosphoric acid double 3 parts of octadecyl esters are 3 parts of palmitamide, 2 parts of methyl propionate, double to benzene
3 parts of amine, 4 parts of muscone, 2 parts of salicylic acid, 20 parts of clay, 4 parts of aromatic naphtha, 2 parts of carbon black, 2 parts of iron oxide red, 5 parts of titanium dioxide,
4 parts of naphthenic oil, 3 parts of styrenated phenol, 5 parts of magnesium bicarbonate, 5 parts of anti-aging agent, 2 parts of sulphur, 11 parts of aromatic polyester polyol,
4 parts of microcrystalline wax, 2 parts of sodium bicarbonate, 4 parts of perlite, 2 parts of pitchstone, 2 parts of obsidian, 18 parts of modified rubber powder.
3. a kind of Novel ultralow-temperature thermal insulation material according to claim 1, it is characterised in that:, the aromatic polyester is more
First alcohol hydroxyl value 483-655KOHmg/g, viscosity 600-2000MPas.
4. a kind of Novel ultralow-temperature thermal insulation material according to claim 1, it is characterised in that: the modified rubber powder includes
It is prepared from the following raw materials: deionized water, nylon, sludge, active carbon and zeolite powder.
5. a kind of Novel ultralow-temperature thermal insulation material according to claim 4, it is characterised in that: the active carbon and zeolite powder
Mass ratio be 2.5:1.3.
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| CN201711109265.5A CN109776884A (en) | 2017-11-11 | 2017-11-11 | A kind of Novel ultralow-temperature thermal insulation material |
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| CN201711109265.5A CN109776884A (en) | 2017-11-11 | 2017-11-11 | A kind of Novel ultralow-temperature thermal insulation material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115304908A (en) * | 2022-09-02 | 2022-11-08 | 青岛科技大学 | Modified resin for tire tread |
-
2017
- 2017-11-11 CN CN201711109265.5A patent/CN109776884A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115304908A (en) * | 2022-09-02 | 2022-11-08 | 青岛科技大学 | Modified resin for tire tread |
| CN115304908B (en) * | 2022-09-02 | 2023-11-10 | 青岛科技大学 | Modified resin for tire tread |
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