CN107905054B - Anti-crack plaster for asphalt pavement layer - Google Patents
Anti-crack plaster for asphalt pavement layer Download PDFInfo
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- CN107905054B CN107905054B CN201711113509.7A CN201711113509A CN107905054B CN 107905054 B CN107905054 B CN 107905054B CN 201711113509 A CN201711113509 A CN 201711113509A CN 107905054 B CN107905054 B CN 107905054B
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- carbon nanotube
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/16—Reinforcements
- E01C11/165—Reinforcements particularly for bituminous or rubber- or plastic-bound pavings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/02—Layered products comprising a layer of paper or cardboard next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- 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
- C09J161/00—Adhesives based on condensation polymers of aldehydes or ketones; Adhesives based on derivatives of such polymers
- C09J161/04—Condensation polymers of aldehydes or ketones with phenols only
- C09J161/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/106—Carbon fibres, e.g. graphite fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2419/00—Buildings or parts thereof
- B32B2419/02—Bricks
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Road Paving Structures (AREA)
- Paints Or Removers (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
The invention discloses an anti-cracking adhesive tape for an asphalt pavement layer, and belongs to the technical field of highway maintenance. Mixing carbon nanotube fiber, ethyl orthosilicate and tetrabutyl titanate, ultrasonically dispersing and filtering to obtain primary treated carbon nanotube fiber; mixing the obtained primary treated carbon nanotube fiber with water, ultrasonically dispersing, and filtering to obtain secondary treated carbon nanotube fiber; heating, stirring, refluxing and filtering the obtained secondary treated carbon nanotube fibers and mixed acid to obtain pretreated carbon nanotube fibers; and knitting the pretreated carbon nanotube fibers to obtain a fiber layer, wherein the anti-cracking paste sequentially comprises an upper protective film, an upper coating, the fiber layer, a lower coating, a binder and a lower protective film from bottom to top. The anti-cracking plaster for the asphalt pavement layer provided by the invention has excellent mechanical property and heat resistance.
Description
Technical Field
The invention discloses an anti-cracking adhesive tape for an asphalt pavement layer, and belongs to the technical field of highway maintenance.
Background
After the asphalt layer structure is additionally paved on the cement concrete pavement, the pavement can generate various cracks under the actions of traffic load, temperature change, foundation deformation and the like. The cracks destroy the continuity and integrity of the pavement, and when rainwater continuously enters the pavement from the cracks, a road base layer or even a roadbed can be softened, so that the bearing capacity of the pavement is reduced, and under the action of a driving load, the phenomena of scouring and squeezing are generated, so that the asphalt concrete surface layer near the cracks is cracked and sunk, the durability of the asphalt pavement is seriously influenced, and the damage is accelerated. The anti-cracking paste is used as a novel anti-cracking material of a cement pavement asphalt overlay, and can effectively delay and prevent the generation of reflection cracks of the asphalt concrete overlay. The anti-cracking paste is a self-adhesive anti-cracking waterproof strip material which is formed by extruding and compounding asphalt-based high-molecular polymer, a tire base, geotextile, an isolating membrane and the like through special machinery equipment. Compared with other geotechnical anti-cracking materials, the material is a high-quality anti-cracking material which has low stiffness modulus, strong anti-deformation capability, firm adhesion, convenient construction and proper price, and has good application prospect. The polymer anti-cracking paste can effectively resist tensile stress at an interlayer crack, limit crack width development and play a role in reinforcing a local structural layer of the asphalt pavement. In recent years, some scholars have conducted a lot of experimental studies on the mechanical properties of geogrids, and few studies on anti-cracking patches.
Analysis of the anti-crack paste action mechanism shows that the high-molecular polymer material serving as a stress absorption film can absorb the strain stress developed upwards by the cracks of the base layer, so that the time for reflecting the cracks to the pavement structure part is delayed. The anti-cracking paste also has the interlocking and meshing effect, can obviously improve the anti-shearing and load transfer capabilities of the cracked section, and indirectly improves the strength and stability of the base layer. The asphalt-based high polymer material has good high-low temperature characteristics, can enable the material not to deform and flow obviously at high temperature, cannot crack and break at low temperature, and keeps the shape and the action mechanism unchanged.
Therefore, how to improve the defects of poor mechanical property and poor heat resistance of the traditional anti-crack paste to obtain the anti-crack paste with higher comprehensive performance is a problem to be urgently solved by popularizing and applying the anti-crack paste to a wider field and meeting the industrial production demand.
Disclosure of Invention
The invention mainly solves the technical problems that: aiming at the defects of poor mechanical property and heat resistance of the traditional anti-crack plaster, the anti-crack plaster for the asphalt pavement layer is provided.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
an anti-cracking plaster for an asphalt pavement layer sequentially comprises an upper protective film, an upper coating, a fiber layer, a lower coating, a binder and a lower protective film from top to bottom;
the preparation steps of the fiber layer are as follows:
(1) mixing 10-20 parts by weight of carbon nanotube fibers, 20-30 parts by weight of ethyl orthosilicate and 20-30 parts by weight of tetrabutyl titanate, ultrasonically dispersing and filtering to obtain primary treated carbon nanotube fibers;
(2) mixing the obtained once-treated carbon nanotube fiber with water according to the mass ratio of 1: 50-1: 100, mixing, ultrasonically dispersing and filtering to obtain secondary treated carbon nanotube fibers;
(3) and (3) mixing the secondary-treated carbon nanotube fiber with mixed acid according to the mass ratio of 1: 20-1: 30 heating, stirring, refluxing and filtering to obtain the pretreated carbon nanotube fibers;
(4) and knitting the pretreated carbon nanotube fibers to obtain the fiber layer.
The thickness of the anti-crack paste is 2-3 mm.
The upper protective film and the lower protective film are made of silicone oil paper.
The upper coating and the lower coating adopt any one of rubber powder or asphalt rubber powder.
The preparation process of the adhesive comprises the following steps: stirring and mixing 20-30 parts by weight of phenolic resin and 5-6 parts by weight of curing agent to obtain a binder; the phenolic resin is any one of phenolic resin 2130, phenolic resin 2152 or phenolic resin 2605; the curing agent is any one of ethylenediamine, diethylenetriamine or tetramethylenediamine.
The mixed acid in the step (3) is prepared by mixing sulfuric acid and nitric acid according to a mass ratio of 1: 1-1: 2, mixing; the mass fraction of the sulfuric acid is 70-80%; the mass fraction of the nitric acid is 20-30%.
The invention has the beneficial effects that:
the technical scheme of the invention is that firstly, carbon nano-tube fiber is soaked in mixed solution of tetraethoxysilane and tetrabutyl titanate, tetraethoxysilane and tetrabutyl titanate are filled in the carbon nano-tube fiber, then the carbon nano-tube fiber is soaked in water, tetraethoxysilane reacts with water to generate silicon dioxide, tetrabutyl titanate reacts with water to generate titanium dioxide, the generated silicon dioxide and the titanium dioxide block two ends of the carbon nano-tube fiber, so that partial tetraethoxysilane and tetrabutyl titanate still remain in the system, then the carbon nano-tube fiber is heated and reacts with mixed acid, the titanium dioxide reacts with acid to generate a rich pore structure, a silicon dioxide framework is left, moisture enters the carbon nano-tube through pores, reacts with the residual tetraethoxysilane in the tube to generate silicon dioxide, and continuously reacts with tetrabutyl titanate to generate the titanium dioxide, thereby realizing compact filling of the inside of the whole carbon nano-tube, the strength of the carbon nanotube fiber is enhanced, the mechanical strength of the fiber layer is enhanced, and therefore the mechanical property of the crack-resistant adhesive is improved.
Drawings
FIG. 1 shows the results of testing the mechanical properties and heat resistance of crack-resistant pavement.
Detailed Description
Putting 20-30 parts by weight of phenolic resin and 5-6 parts by weight of curing agent into a No. 1 beaker, and stirring and mixing for 40-60 min under the condition that the rotating speed is 500-600 r/min to obtain the binder; 70-80% of sulfuric acid and 20-30% of nitric acid in a mass ratio of 1: 1-1: 2, adding the mixture into a No. 2 beaker, and stirring and mixing the mixture for 40-60 min under the condition that the rotating speed is 500-600 r/min to obtain mixed acid; according to the weight parts, 10-20 parts of carbon nanotube fibers, 20-30 parts of ethyl orthosilicate and 20-30 parts of tetrabutyl titanate are placed in an ultrasonic dispersion instrument, ultrasonic dispersion is carried out for 40-60 min under the condition that the ultrasonic frequency is 55-65 kHz, primary dispersion liquid is obtained, and the obtained primary dispersion liquid is filtered, so that primary treated carbon nanotube fibers are obtained; mixing the obtained once-treated carbon nanotube fiber with water according to the mass ratio of 1: 50-1: 100, placing the carbon nano-tube into an ultrasonic dispersion instrument, performing ultrasonic dispersion for 40-60 min under the condition that the ultrasonic frequency is 55-65 kHz to obtain secondary dispersion liquid, and filtering the secondary dispersion liquid to obtain secondary treated carbon nano-tube fibers; and (3) mixing the secondary-treated carbon nanotube fiber with mixed acid according to the mass ratio of 1: 20-1: 30, placing the mixture into a three-neck flask with a spherical condenser, heating, stirring and refluxing for 1-2 hours at the temperature of 130-140 ℃ and the rotating speed of 300-400 r/min to obtain a mixed solution, and filtering the mixed solution to obtain the pretreated carbon nanotube fibers; knitting the pretreated carbon nanotube fibers to obtain a fiber layer; and (3) sequentially compounding the protective film, the upper coating, the fiber layer, the lower coating, the binder and the lower protective film from top to bottom to obtain the anti-cracking adhesive for the asphalt pavement layer. The thickness of the anti-crack paste is 2-3 mm. The upper protective film and the lower protective film are made of silicone oil paper. The upper coating and the lower coating adopt any one of rubber powder or asphalt rubber powder. The phenolic resin is any one of phenolic resin 2130, phenolic resin 2152 or phenolic resin 2605. The curing agent is any one of ethylenediamine, diethylenetriamine or tetramethylenediamine.
Example 1
According to the weight parts, 30 parts of phenolic resin and 6 parts of curing agent are placed in a No. 1 beaker, and stirred and mixed for 60min under the condition that the rotating speed is 600r/min, so as to obtain the binder; sulfuric acid with the mass fraction of 80% and nitric acid with the mass fraction of 30% are mixed according to the mass ratio of 1: 2, adding the mixture into a No. 2 beaker, and stirring and mixing the mixture for 60min under the condition that the rotating speed is 600r/min to obtain mixed acid; according to the weight portion, 20 portions of carbon nanotube fibers, 30 portions of ethyl orthosilicate and 30 portions of tetrabutyl titanate are placed in an ultrasonic dispersion instrument, ultrasonic dispersion is carried out for 60min under the condition that the ultrasonic frequency is 65kHz, primary dispersion liquid is obtained, and the obtained primary dispersion liquid is filtered, so that the primary treated carbon nanotube fibers are obtained; mixing the obtained once-treated carbon nanotube fiber with water according to the mass ratio of 1: 100, placing the carbon nano-tube into an ultrasonic disperser, ultrasonically dispersing for 60min under the condition that the ultrasonic frequency is 65kHz to obtain secondary dispersion liquid, and then filtering the secondary dispersion liquid to obtain secondary-treated carbon nano-tube fibers; and (3) mixing the secondary-treated carbon nanotube fiber with mixed acid according to the mass ratio of 1: 30, placing the mixture into a three-neck flask with a spherical condenser pipe, heating, stirring and refluxing for 2 hours at the temperature of 140 ℃ and the rotating speed of 400r/min to obtain a mixed solution, and then filtering the mixed solution to obtain the pretreated carbon nanotube fibers; knitting the pretreated carbon nanotube fibers to obtain a fiber layer; and (3) sequentially compounding the protective film, the upper coating, the fiber layer, the lower coating, the binder and the lower protective film from top to bottom to obtain the anti-cracking adhesive for the asphalt pavement layer. The thickness of the anti-crack sticker is 3 mm. The upper protective film and the lower protective film are made of silicone oil paper. The upper coating and the lower coating adopt rubber powder. The phenolic resin is phenolic resin 2130. The curing agent is ethylenediamine.
Example 2
According to the weight parts, 30 parts of phenolic resin and 6 parts of curing agent are placed in a No. 1 beaker, and stirred and mixed for 60min under the condition that the rotating speed is 600r/min, so as to obtain the binder; sulfuric acid with the mass fraction of 80% and nitric acid with the mass fraction of 30% are mixed according to the mass ratio of 1: 2, adding the mixture into a No. 2 beaker, and stirring and mixing the mixture for 60min under the condition that the rotating speed is 600r/min to obtain mixed acid; according to the weight portion, 20 portions of carbon nanotube fibers and 30 portions of tetrabutyl titanate are placed in an ultrasonic dispersion instrument, ultrasonic dispersion is carried out for 60min under the condition that the ultrasonic frequency is 65kHz, primary dispersion liquid is obtained, and the obtained primary dispersion liquid is filtered, so that the primary treated carbon nanotube fibers are obtained; mixing the obtained once-treated carbon nanotube fiber with water according to the mass ratio of 1: 100, placing the carbon nano-tube into an ultrasonic disperser, ultrasonically dispersing for 60min under the condition that the ultrasonic frequency is 65kHz to obtain secondary dispersion liquid, and then filtering the secondary dispersion liquid to obtain secondary-treated carbon nano-tube fibers; and (3) mixing the secondary-treated carbon nanotube fiber with mixed acid according to the mass ratio of 1: 30, placing the mixture into a three-neck flask with a spherical condenser pipe, heating, stirring and refluxing for 2 hours at the temperature of 140 ℃ and the rotating speed of 400r/min to obtain a mixed solution, and then filtering the mixed solution to obtain the pretreated carbon nanotube fibers; knitting the pretreated carbon nanotube fibers to obtain a fiber layer; and (3) sequentially compounding the protective film, the upper coating, the fiber layer, the lower coating, the binder and the lower protective film from top to bottom to obtain the anti-cracking adhesive for the asphalt pavement layer. The thickness of the anti-crack sticker is 3 mm. The upper protective film and the lower protective film are made of silicone oil paper. The upper coating and the lower coating adopt rubber powder. The phenolic resin is phenolic resin 2130. The curing agent is ethylenediamine.
Example 3
According to the weight parts, 30 parts of phenolic resin and 6 parts of curing agent are placed in a No. 1 beaker, and stirred and mixed for 60min under the condition that the rotating speed is 600r/min, so as to obtain the binder; sulfuric acid with the mass fraction of 80% and nitric acid with the mass fraction of 30% are mixed according to the mass ratio of 1: 2, adding the mixture into a No. 2 beaker, and stirring and mixing the mixture for 60min under the condition that the rotating speed is 600r/min to obtain mixed acid; according to the weight portion, 20 portions of carbon nanotube fibers and 30 portions of ethyl orthosilicate are placed in an ultrasonic dispersion instrument, ultrasonic dispersion is carried out for 60min under the condition that the ultrasonic frequency is 65kHz, primary dispersion liquid is obtained, and the obtained primary dispersion liquid is filtered, so that the primary treated carbon nanotube fibers are obtained; mixing the obtained once-treated carbon nanotube fiber with water according to the mass ratio of 1: 100, placing the carbon nano-tube into an ultrasonic disperser, ultrasonically dispersing for 60min under the condition that the ultrasonic frequency is 65kHz to obtain secondary dispersion liquid, and then filtering the secondary dispersion liquid to obtain secondary-treated carbon nano-tube fibers; and (3) mixing the secondary-treated carbon nanotube fiber with mixed acid according to the mass ratio of 1: 30, placing the mixture into a three-neck flask with a spherical condenser pipe, heating, stirring and refluxing for 2 hours at the temperature of 140 ℃ and the rotating speed of 400r/min to obtain a mixed solution, and then filtering the mixed solution to obtain the pretreated carbon nanotube fibers; knitting the pretreated carbon nanotube fibers to obtain a fiber layer; and (3) sequentially compounding the protective film, the upper coating, the fiber layer, the lower coating, the binder and the lower protective film from top to bottom to obtain the anti-cracking adhesive for the asphalt pavement layer. The thickness of the anti-crack sticker is 3 mm. The upper protective film and the lower protective film are made of silicone oil paper. The upper coating and the lower coating adopt rubber powder. The phenolic resin is phenolic resin 2130. The curing agent is ethylenediamine.
Comparative example: anti-crack plaster produced by Shandong material Co.
The crack-resistant adhesive tape for asphalt pavement layers and the comparative product obtained in examples 1 to 3 were subjected to performance tests, and the specific test methods were as follows:
1. mechanical properties: testing the tensile strength of the test piece according to GB 18242;
2. heat resistance: and testing the softening point of the test piece according to JTG 052.
The specific detection result is shown in figure 1 in the attached figure of the specification.
As can be seen from the detection results shown in FIG. 1, the anti-cracking plaster for the asphalt pavement layer, prepared by the technical scheme of the invention, has the characteristics of excellent mechanical property and heat resistance, and has a wide prospect in the development of the highway maintenance industry.
Claims (6)
1. The utility model provides an anti subsides that splits is used to pitch road surface layer which characterized in that: the coating sequentially comprises an upper protective film, an upper coating, a fiber layer, a lower coating, a binder and a lower protective film from top to bottom;
the preparation steps of the fiber layer are as follows:
(1) mixing 10-20 parts by weight of carbon nanotube fibers, 20-30 parts by weight of ethyl orthosilicate and 20-30 parts by weight of tetrabutyl titanate, ultrasonically dispersing and filtering to obtain primary treated carbon nanotube fibers;
(2) mixing the obtained once-treated carbon nanotube fiber with water according to the mass ratio of 1: 50-1: 100, mixing, ultrasonically dispersing and filtering to obtain secondary treated carbon nanotube fibers;
(3) and (3) mixing the secondary-treated carbon nanotube fiber with mixed acid according to the mass ratio of 1: 20-1: 30 heating, stirring, refluxing and filtering to obtain the pretreated carbon nanotube fibers;
(4) and knitting the pretreated carbon nanotube fibers to obtain the fiber layer.
2. The anti-crack plaster for the asphalt pavement according to claim 1, which is characterized in that: the thickness of the anti-crack paste is 2-3 mm.
3. The anti-crack plaster for the asphalt pavement according to claim 1, which is characterized in that: the upper protective film and the lower protective film are made of silicone oil paper.
4. The anti-crack plaster for the asphalt pavement according to claim 1, which is characterized in that: the upper coating and the lower coating adopt any one of rubber powder or asphalt rubber powder.
5. The anti-crack plaster for the asphalt pavement according to claim 1, which is characterized in that: the preparation process of the adhesive comprises the following steps: stirring and mixing 20-30 parts by weight of phenolic resin and 5-6 parts by weight of curing agent to obtain a binder; the phenolic resin is any one of phenolic resin 2130, phenolic resin 2152 or phenolic resin 2605; the curing agent is any one of ethylenediamine, diethylenetriamine or tetramethylenediamine.
6. The anti-crack plaster for the asphalt pavement according to claim 1, which is characterized in that: the mixed acid in the step (3) is prepared by mixing sulfuric acid and nitric acid according to a mass ratio of 1: 1-1: 2, mixing; the mass fraction of the sulfuric acid is 70-80%; the mass fraction of the nitric acid is 20-30%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711113509.7A CN107905054B (en) | 2017-11-13 | 2017-11-13 | Anti-crack plaster for asphalt pavement layer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711113509.7A CN107905054B (en) | 2017-11-13 | 2017-11-13 | Anti-crack plaster for asphalt pavement layer |
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| CN107905054A CN107905054A (en) | 2018-04-13 |
| CN107905054B true CN107905054B (en) | 2019-12-24 |
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| CN109082988A (en) * | 2018-07-23 | 2018-12-25 | 安徽中路工程材料有限公司 | Anti-fracture maintenance of surface repairs band |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100999893A (en) * | 2006-12-31 | 2007-07-18 | 河南百和国际公路科技有限公司 | Anti-splitting paster and preparation method thereof |
| CN204401391U (en) * | 2014-12-01 | 2015-06-17 | 交通运输部公路科学研究所 | Asphalt overlay anti-splitting paster |
| CN206090214U (en) * | 2016-10-13 | 2017-04-12 | 山西省交通科学研究院 | Highway surface course splits subsides with resisting |
| CN106751741A (en) * | 2016-12-08 | 2017-05-31 | 东南大学 | A kind of preparation method of polyurethane nano composite material |
-
2017
- 2017-11-13 CN CN201711113509.7A patent/CN107905054B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100999893A (en) * | 2006-12-31 | 2007-07-18 | 河南百和国际公路科技有限公司 | Anti-splitting paster and preparation method thereof |
| CN204401391U (en) * | 2014-12-01 | 2015-06-17 | 交通运输部公路科学研究所 | Asphalt overlay anti-splitting paster |
| CN206090214U (en) * | 2016-10-13 | 2017-04-12 | 山西省交通科学研究院 | Highway surface course splits subsides with resisting |
| CN106751741A (en) * | 2016-12-08 | 2017-05-31 | 东南大学 | A kind of preparation method of polyurethane nano composite material |
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Effective date of registration: 20190717 Address after: 213000 No. 35 straight North Street, bell tower, Jiangsu, Changzhou Applicant after: Zou Feng Address before: 213102 No. 51 Dongfang East Road, Changzhou City, Jiangsu Province Applicant before: Changzhou Minghua Transportation Co., Ltd. |
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Effective date of registration: 20191023 Address after: 710000 happy South Road, Yanta District, Xi'an, Shaanxi Province, No. 6 Applicant after: Shaanxi Guolin Highway Engineering Co., Ltd Address before: 213000 No. 35 straight North Street, bell tower, Jiangsu, Changzhou Applicant before: Zou Feng |
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Address after: No.6 Xingfu South Road, Yanta District, Xi'an, Shaanxi 710000 Patentee after: Shaanxi Guolin Construction Engineering Co.,Ltd. Address before: No.6 Xingfu South Road, Yanta District, Xi'an, Shaanxi 710000 Patentee before: SHAANXI GUOLIN HIGHWAY ENGINEERING Co.,Ltd. |
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