CN112195711B - Antiskid permeable pavement - Google Patents
Antiskid permeable pavement Download PDFInfo
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- CN112195711B CN112195711B CN202010815921.9A CN202010815921A CN112195711B CN 112195711 B CN112195711 B CN 112195711B CN 202010815921 A CN202010815921 A CN 202010815921A CN 112195711 B CN112195711 B CN 112195711B
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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
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/18—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders
- E01C7/26—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders mixed with other materials, e.g. cement, rubber, leather, fibre
- E01C7/265—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders mixed with other materials, e.g. cement, rubber, leather, fibre with rubber or synthetic resin, e.g. with rubber aggregate, with synthetic resin binder
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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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
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/224—Surface drainage of streets
- E01C11/225—Paving specially adapted for through-the-surfacing drainage, e.g. perforated, porous; Preformed paving elements comprising, or adapted to form, passageways for carrying off drainage
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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
- E01C11/24—Methods or arrangements for preventing slipperiness or protecting against influences of the weather
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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
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/18—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders
- E01C7/26—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders mixed with other materials, e.g. cement, rubber, leather, fibre
Abstract
The invention discloses an antiskid permeable pavement, which comprises a pavement base layer and an adhesive stone surface layer paved on the surface of the pavement base layer; the raw materials of the adhesive stone surface layer comprise the following components in parts by weight: 2-5 parts of a component A, 3-7 parts of a component B and 95-105 parts of aggregate; the raw materials of the component A comprise: 1, 4-butanediol adipate, polyether polyol, dipropylene glycol, neopentyl glycol, linoleic acid, castor oil, 2,3,3,4,4,5, 5-octafluoro-1-pentanol, epoxy resin E-44, epoxy resin E-14, diphenylmethane diisocyanate, hexamethylene diisocyanate, nano silicon dioxide, nano calcium carbonate, boron carbide and modified lignin; the component B comprises the following raw materials: 1, 8-diazacyclo [5,4,0] undecene-7 and triethanolamine. The antiskid permeable pavement provided by the invention has the advantages of good antiskid property and water permeability, excellent aging resistance, short curing time and long service life.
Description
Technical Field
The invention relates to the technical field of roads, in particular to an anti-skid permeable pavement.
Background
Urban inland inundation has become an inevitable heavy topic in summer every year and has a growing trend. The permeable pavement is a 'seepage' mode, rainwater is absorbed on the spot or permeates underground or is directly drained into a municipal drainage system, the occurrence of waterlogging can be obviously reduced, and more cities begin to use the permeable pavement as a preferred paving material for urban roads and public area ground. The adhesive stone permeable pavement is one of the current permeable pavement modes, is a permeable pavement material made of cementing materials and bonding aggregates, has the advantages of high water permeability and porosity, but has poor aging resistance, easy shedding of the aggregates on the surface and short service life, and limits the application of the adhesive stone permeable pavement material.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides an anti-skid permeable pavement which is good in anti-skid property and water permeability, excellent in aging resistance, short in curing time and long in service life.
The invention provides an antiskid permeable pavement, which comprises a pavement base layer and an adhesive stone surface layer paved on the surface of the pavement base layer; the raw materials of the adhesive stone surface layer comprise the following components in parts by weight: 2-5 parts of a component A, 3-7 parts of a component B and 95-105 parts of aggregate;
wherein the component A comprises the following raw materials in parts by weight: 6-13 parts of 1, 4-butanediol adipate, 1-9 parts of polyether polyol, 1-2 parts of dipropylene glycol, 0.8-2.7 parts of neopentyl glycol, 0.1-0.6 part of linoleic acid, 2-3.9 parts of castor oil, 0.1-0.6 part of 2,2,3,3,4,4,5, 5-octafluoro-1-pentanol, 0.5-1 part of epoxy resin E-440.5-1 part of epoxy resin E-140.1-0.5 part of diphenylmethane diisocyanate, 12-23 parts of hexamethylene diisocyanate, 3-11 parts of nano silicon dioxide, 1-4 parts of nano calcium carbonate, 3-9 parts of boron carbide and 12-25 parts of modified lignin;
the component B comprises the following raw materials in parts by weight: 73-9 parts of 1, 8-diazacyclo [5,4,0] undecene-73 and 1-4 parts of triethanolamine.
Preferably, the molecular weight of the poly (1, 4-butylene adipate) is 1000-3000.
Preferably, the polyether polyol is one or a mixture of two of polyether polyol GE-210 and polyether polyol GEP-330N.
Preferably, the particle size of the nano silicon dioxide is 30-45 nm; the particle size of the nano calcium carbonate is 50-80 nm; the particle size of the boron carbide is 4-8 μm.
Preferably, the modified lignin is prepared according to the following process: under the protection of nitrogen, uniformly mixing sodium lignosulfonate aqueous solution with hydrobromic acid, heating to 60-70 ℃, adding hexadecyl trimethyl ammonium bromide, heating to 80-90 ℃, stirring for reaction for 2-3.5h, and performing post-treatment after the reaction to obtain a material A; adding 2,2,6, 6-tetramethyl-4-piperidinol and epoxy chloropropane into dimethylformamide, heating to 70-80 ℃, adding boron trifluoride, and stirring at 70-80 ℃ for reaction for 3-5h to obtain a material B; adding the material A into a sodium hydroxide aqueous solution to obtain a mixed solution, heating to 80-90 ℃, adding the material B, stirring and reacting at 80-90 ℃ for 2-3h, then adding lanthanum nitrate, stirring at 30-45 ℃ for 5-12h, and carrying out post-treatment to obtain the modified lignin.
Preferably, in the preparation process of the modified lignin, the weight ratio of sodium lignin sulfonate to hydrogen bromide in hydrobromic acid to hexadecyl trimethyl ammonium bromide is 10-15: 10-23: 0.2-0.5; the weight ratio of 2,2,6, 6-tetramethyl-4-piperidinol, epichlorohydrin, boron trifluoride, material A and lanthanum nitrate is 35-45: 10-15: 1.5-2: 50-65: 3-6.
Preferably, in the preparation process of the modified lignin, the pH value of the mixed solution is 8-10, and the solid content is 10-25 wt%.
Preferably, the aggregate is one or a mixture of more of natural colored stone, ceramic particles, glass beads, colored sand, terrazzo, cobblestones and luminous stones.
Preferably, the particle size of the aggregate is 0.35-0.48 cm.
Preferably, in the preparation process of the modified lignin, when the material A is prepared, the post-treatment comprises ethyl acetate extraction, water washing and drying.
Preferably, the adhesive stone surface layer is further coated with a transparent finish layer.
In the antiskid permeable pavement, the surface of a pavement base layer is paved with an adhesive stone surface layer, the water permeability and antiskid properties are good, in the raw material component A of the adhesive stone surface layer, poly (1, 4-butanediol adipate) and polyether polyol are matched to be used as polyol, and the proportion of the poly (adipate) to the polyol and the polyether polyol is controlled, so that the obtained adhesive has good structural regularity, strong binding force and good water resistance; dipropylene glycol, neopentyl glycol, linoleic acid, castor oil, 2,3,3,4,4,5, 5-octafluoro-1-pentanol are added, on one hand, the adding amount of macromolecules of polyol in a soft segment is reduced, the mass fraction of a hard segment is improved, polar chain segments such as a urethane bond, a urea bond and the like in a molecular chain are increased, the bonding force with a base material is enhanced, the bonding force is increased, the shedding of aggregates in a pavement is reduced, and the service life of the pavement is prolonged, on the other hand, the average length of the molecular chain is shortened, the relative molecular mass is reduced, the mutual winding of the molecular chain bonds is reduced, in the reaction curing process, a curing agent is easier to permeate into a polyurethane main agent, the effective collision among molecules is increased, and simultaneously, active methylene in the linoleic acid is introduced into a system, and can be subjected to oxidation crosslinking and synergistic action in multiple aspects in the drying process, the drying speed of the adhesive is improved, the curing time is shortened, and the introduced dipropylene glycol and neopentyl glycol have good symmetry, so that hard segments are regularly arranged and tightly stacked, and the heat resistance of the adhesive is improved; the epoxy resin E-44 and the epoxy resin E-14 are added into the system, so that the adhesive property is good, the chemical corrosion resistance is excellent, the adhesive property and the solvent resistance of the adhesive are improved, the thermal stability of the adhesive is improved, and the defect that the initial viscosity of a pure polyurethane adhesive is not high is overcome; the nano silicon dioxide, the nano calcium carbonate, the boron carbide and the modified lignin are added into the system to have a synergistic effect, so that the strength of the adhesive is improved, and the heat resistance and the aging resistance of the adhesive are improved; in the preparation process of modified lignin in a preferred mode, firstly, uniformly mixing a sodium lignosulfonate aqueous solution with hydrobromic acid, and carrying out phenolization modification on the sodium lignosulfonate under the action of hexadecyl trimethyl ammonium bromide to convert methoxy groups in the sodium lignosulfonate into phenolic hydroxyl groups, so that the content of the phenolic hydroxyl groups in the lignin is increased, and the reaction activity of the lignin is improved to obtain a material A; taking 2,2,6,6, -tetramethyl-4-piperidinol and epoxy chloropropane as raw materials, and reacting hydroxyl in the 2,2,6,6, -tetramethyl-4-piperidinol and epoxy group of the epoxy chloropropane under the action of boron trifluoride to obtain a material B; the method comprises the steps of taking a material A and a material B as raw materials, controlling reaction conditions to enable the material B to react with phenolic hydroxyl groups in the material A, adding lanthanum nitrate to act, introducing a lanthanum element into a lignin structure to obtain the modified lignin, improving the property of the lignin and enabling the lignin to be uniformly dispersed in a system, wherein on one hand, the introduced lanthanum element has a coordination effect with oxygen-nitrogen groups in the system to increase the interaction between the lignin and the system, and on the other hand, a hindered amine structure and the lanthanum element are introduced into the system to play a synergistic effect, so that the heat resistance and aging resistance of the adhesive are improved, and the service life of a pavement is prolonged.
The performance of the antiskid permeable pavement is detected, the compressive strength is more than or equal to 30.3MPa, the water permeability coefficient is more than or equal to 1750ml/min, the antiskid permeable pavement is resistant to artificial weather aging (2000h), and the antiskid permeable pavement has the advantages of no bubbling, no peeling, no crack, no pulverization of grade 0 and grade 1 of color change.
Detailed Description
The technical solution of the present invention will be described in detail below with reference to specific examples.
Example 1
The invention provides an antiskid permeable pavement, which comprises a pavement base layer and an adhesive stone surface layer paved on the surface of the pavement base layer; the raw materials of the adhesive stone surface layer comprise the following components in parts by weight: 5 parts of a component A, 3 parts of a component B and 105 parts of aggregate;
wherein the component A comprises the following raw materials in parts by weight: 6 parts of poly-1, 4-butanediol adipate, 9 parts of polyether polyol, 1 part of dipropylene glycol, 2 parts of neopentyl glycol, 0.6 part of linoleic acid, 2 parts of castor oil, 2,3,3,4,4,5, 5-octafluoro-1-pentanol, 0.6 part of epoxy resin E-440.5 parts, 140.1 parts of epoxy resin E, 67 parts of diphenylmethane diisocyanate, 12 parts of hexamethylene diisocyanate, 3 parts of nano silicon dioxide, 4 parts of nano calcium carbonate, 3 parts of boron carbide and 25 parts of modified lignin;
the component B comprises the following raw materials in parts by weight: 73 parts of 1, 8-diazacyclo [5,4,0] undecene and 4 parts of triethanolamine.
Example 2
The invention provides an antiskid permeable pavement, which comprises a pavement base layer and an adhesive stone surface layer paved on the surface of the pavement base layer; the raw materials of the adhesive stone surface layer comprise the following components in parts by weight: 2 parts of a component A, 7 parts of a component B and 95 parts of natural colored stone;
wherein the component A comprises the following raw materials in parts by weight: 13 parts of poly-1, 4-butanediol adipate with the molecular weight of 1000, GE-2101 parts of polyether polyol, 2 parts of dipropylene glycol, 0.8 part of neopentyl glycol, 0.1 part of linoleic acid, 3 parts of castor oil, 0.1 part of 2,2,3,3,4,4,5, 5-octafluoro-1-pentanol, 55 parts of epoxy resin E-441, 140.3 parts of epoxy resin E-3, 55 parts of diphenylmethane diisocyanate, 23 parts of hexamethylene diisocyanate, 11 parts of nano silicon dioxide, 1 part of nano calcium carbonate, 9 parts of boron carbide and 12 parts of modified lignin;
the component B comprises the following raw materials in parts by weight: 1, 8-diazacyclo [5,4,0] undecene-77 parts and triethanolamine 1 part;
wherein the modified lignin is prepared according to the following process: under the protection of nitrogen, uniformly mixing a sodium lignosulfonate aqueous solution with hydrobromic acid, heating to 60 ℃, and adding hexadecyl trimethyl ammonium bromide, wherein the weight ratio of hydrogen bromide in the sodium lignosulfonate to the hydrobromic acid to the hexadecyl trimethyl ammonium bromide is 10: 23: 0.2, heating to 90 ℃, stirring and reacting for 3.5 hours, and carrying out post-treatment after the reaction is finished to obtain a material A; adding 2,2,6, 6-tetramethyl-4-piperidinol and epoxy chloropropane into dimethylformamide, heating to 70 ℃, adding boron trifluoride, and stirring at 70 ℃ for reacting for 3 hours to obtain a material B; adding the material A into a sodium hydroxide aqueous solution to obtain a mixed solution with the pH value of 8 and the solid content of 10 wt%, heating to 90 ℃, adding the material B, stirring and reacting at 90 ℃ for 3 hours, then adding lanthanum nitrate, stirring at 30 ℃ for 12 hours, and performing post-treatment to obtain the modified lignin; wherein the weight ratio of the 2,2,6, 6-tetramethyl-4-piperidinol, the epichlorohydrin, the boron trifluoride, the material A and the lanthanum nitrate is 35: 11: 1.5: 50: 3.
example 3
The invention provides an antiskid permeable pavement, which comprises a pavement base layer and an adhesive stone surface layer paved on the surface of the pavement base layer; the raw materials of the adhesive stone surface layer comprise the following components in parts by weight: 3 parts of component A, 5 parts of component B and 100 parts of cobbles with the grain diameter of 0.35-0.4 cm;
wherein the component A comprises the following raw materials in parts by weight: 8 parts of poly-1, 4-butanediol ester with the molecular weight of 3000, 2 parts of polyether polyol GEP-330N, 1 part of dipropylene glycol, 2.7 parts of neopentyl glycol, 0.3 part of linoleic acid, 3.9 parts of castor oil, 0.4 part of 2,2,3,3,4,4,5, 5-octafluoro-1-pentanol, 0.78 part of epoxy resin E-440.7 part, 140.5 parts of epoxy resin E-140.5 parts of diphenylmethane diisocyanate, 17 parts of hexamethylene diisocyanate, 8 parts of nano silicon dioxide, 2 parts of nano calcium carbonate, 7 parts of boron carbide and 17 parts of modified lignin;
the component B comprises the following raw materials in parts by weight: 1, 8-diazacyclo [5,4,0] undecene-79 parts and triethanolamine 1-4 parts;
the particle size of the nano silicon dioxide is 45 nm; the particle size of the nano calcium carbonate is 50 nm; the particle size of the boron carbide is 8 mu m;
the modified lignin is prepared according to the following process: under the protection of nitrogen, uniformly mixing a sodium lignosulfonate aqueous solution with hydrobromic acid, heating to 70 ℃, and adding hexadecyl trimethyl ammonium bromide, wherein the weight ratio of hydrogen bromide in the sodium lignosulfonate to the hydrobromic acid to the hexadecyl trimethyl ammonium bromide is 11: 19: 0.4, heating to 80 ℃, stirring and reacting for 2 hours, and carrying out post-treatment after the reaction is finished to obtain a material A; adding 2,2,6, 6-tetramethyl-4-piperidinol and epoxy chloropropane into dimethylformamide, heating to 80 ℃, adding boron trifluoride, and stirring at 80 ℃ for 5 hours to react to obtain a material B; adding the material A into a sodium hydroxide aqueous solution to obtain a mixed solution, heating to 80 ℃, adding the material B, stirring and reacting for 2 hours at the temperature of 80 ℃, then adding lanthanum nitrate, stirring for 5 hours at the temperature of 45 ℃, and performing post-treatment to obtain the modified lignin; wherein the weight ratio of the 2,2,6, 6-tetramethyl-4-piperidinol, the epichlorohydrin, the boron trifluoride, the material A and the lanthanum nitrate is 45: 15: 2: 65: 4; the pH value of the mixed solution is 10, and the solid content is 25 wt%.
Example 4
The invention provides an antiskid permeable pavement, which comprises a pavement base layer and an adhesive stone surface layer paved on the surface of the pavement base layer; the raw materials of the adhesive stone surface layer comprise the following components in parts by weight: 2 parts of a component A, 7 parts of a component B and 102 parts of aggregate;
wherein the aggregate is a mixture of glass beads and cobblestones; the particle size of the aggregate is 0.35-0.48 cm;
the component A comprises the following raw materials in parts by weight: 6 parts of poly-1, 4-butanediol ester with molecular weight of 2000, GE-2102 parts of polyether polyol, 7 parts of polyether polyol GEP-330N, 1 part of dipropylene glycol, 2.7 parts of neopentyl glycol, 0.6 part of linoleic acid, 2.8 parts of castor oil, 0.4 part of 2,2,3,3,4,4,5, 5-octafluoro-1-pentanol, 440.6 parts of epoxy resin E-8, 140.25 parts of epoxy resin E-140.25, 61 parts of diphenylmethane diisocyanate, 19 parts of hexamethylene diisocyanate, 6.7 parts of nano silicon dioxide, 3.1 parts of nano calcium carbonate, 4.8 parts of boron carbide and 19 parts of modified lignin;
the component B comprises the following raw materials in parts by weight: 1, 8-diazacyclo [5,4,0] undecene-75.7 parts and triethanolamine 2.3 parts;
the particle size of the nano silicon dioxide is 35 nm; the particle size of the nano calcium carbonate is 70 nm; the particle size of the boron carbide is 6 mu m;
the modified lignin is prepared according to the following process: under the protection of nitrogen, uniformly mixing sodium lignosulfonate aqueous solution with hydrobromic acid, heating to 63 ℃, adding hexadecyl trimethyl ammonium bromide, heating to 87 ℃, stirring for reacting for 3 hours, and performing aftertreatment after the reaction is finished to obtain a material A; adding 2,2,6, 6-tetramethyl-4-piperidinol and epoxy chloropropane into dimethylformamide, heating to 76 ℃, adding boron trifluoride, and stirring at 76 ℃ for reacting for 3.8 hours to obtain a material B; adding the material A into a sodium hydroxide aqueous solution to obtain a mixed solution, heating to 87 ℃, adding the material B, stirring and reacting for 2.6h at 87 ℃, then adding lanthanum nitrate, stirring for 9h at 40 ℃, and performing aftertreatment to obtain the modified lignin; wherein, the weight ratio of hydrogen bromide in sodium lignosulfonate and hydrobromic acid to hexadecyl trimethyl ammonium bromide is 15: 10: 0.5; the weight ratio of 2,2,6, 6-tetramethyl-4-piperidinol, epichlorohydrin, boron trifluoride, material A and lanthanum nitrate is 45: 10: 1.9: 59: 6; the pH value of the mixed solution is 9, and the solid content is 10 wt%.
Example 5
The invention provides an antiskid permeable pavement, which comprises a pavement base layer and an adhesive stone surface layer paved on the surface of the pavement base layer; the raw materials of the adhesive stone surface layer comprise the following components in parts by weight: 4.2 parts of component A, 3 parts of component B and 101 parts of ceramic particles with the particle size of 0.35-0.48 cm;
wherein the component A comprises the following raw materials in parts by weight: 7 parts of poly-1, 4-butanediol adipate with the molecular weight of 1000, 7 parts of polyether polyol GE-2107 parts, 1.2 parts of dipropylene glycol, 2.3 parts of neopentyl glycol, 0.2 part of linoleic acid, 3.2 parts of castor oil, 0.19 part of 2,2,3,3,4,4,5, 5-octafluoro-1-pentanol, 0.78 part of epoxy resin E-440.9 part, 140.2 parts of epoxy resin E-140.2 parts of diphenylmethane diisocyanate, 15 parts of hexamethylene diisocyanate, 9 parts of nano silicon dioxide, 2 parts of nano calcium carbonate, 8 parts of boron carbide and 15 parts of modified lignin;
the component B comprises the following raw materials in parts by weight: 1, 8-diazacyclo [5,4,0] undecene-74.8 parts and triethanolamine 3 parts;
wherein the particle size of the nano silicon dioxide is 30-45 nm; the particle size of the nano calcium carbonate is 50-80 nm; the particle size of the boron carbide is 4-8 μm;
the modified lignin is prepared according to the following process: under the protection of nitrogen, uniformly mixing sodium lignosulfonate aqueous solution with hydrobromic acid, heating to 62 ℃, adding hexadecyl trimethyl ammonium bromide, heating to 87 ℃, stirring for reacting for 2.6 hours, and performing post-treatment after the reaction to obtain a material A; adding 2,2,6, 6-tetramethyl-4-piperidinol and epoxy chloropropane into dimethylformamide, heating to 72 ℃, adding boron trifluoride, and stirring at 72 ℃ for reacting for 3 hours to obtain a material B; adding the material A into a sodium hydroxide aqueous solution to obtain a mixed solution, heating to 88 ℃, adding the material B, stirring and reacting for 2 hours at 88 ℃, then adding lanthanum nitrate, stirring for 7 hours at 38 ℃, and performing post-treatment to obtain the modified lignin; in the preparation process of the modified lignin, the weight ratio of hydrogen bromide in sodium lignosulfonate and hydrobromic acid to hexadecyl trimethyl ammonium bromide is 10: 19: 0.3; the weight ratio of 2,2,6, 6-tetramethyl-4-piperidinol, epichlorohydrin, boron trifluoride, material A and lanthanum nitrate is 42: 11: 1.9: 57: 4; the pH value of the mixed solution is 8, and the solid content is 19 wt%.
Example 6
The invention provides an antiskid permeable pavement, which comprises a pavement base layer and an adhesive stone surface layer paved on the surface of the pavement base layer; the raw materials of the adhesive stone surface layer comprise the following components in parts by weight: 2.5 parts of component A, 6 parts of component B and 97 parts of glass beads with the particle size of 0.35-0.48 cm;
wherein the component A comprises the following raw materials in parts by weight: 11 parts of poly-1, 4-butanediol ester with the molecular weight of 3000, 2 parts of polyether polyol GEP-330N, 1.8 parts of dipropylene glycol, 0.9 part of neopentyl glycol, 0.4 part of linoleic acid, 2.8 parts of castor oil, 0.43 part of 2,2,3,3,4,4,5, 5-octafluoro-1-pentanol, 0.78 part of epoxy resin E-440.7 part, 140.4 parts of epoxy resin E-140.4 part, 59 parts of diphenylmethane diisocyanate, 20 parts of hexamethylene diisocyanate, 5 parts of nano silicon dioxide, 3 parts of nano calcium carbonate, 5 parts of boron carbide and 22 parts of modified lignin;
the component B comprises the following raw materials in parts by weight: 1, 8-diazacyclo [5,4,0] undecene-78 parts and triethanolamine 2 parts;
the particle size of the nano silicon dioxide is 30-45 nm; the particle size of the nano calcium carbonate is 50-80 nm; the particle size of the boron carbide is 4-8 μm;
the modified lignin is prepared according to the following process: under the protection of nitrogen, uniformly mixing 15 wt% of sodium lignosulfonate aqueous solution with hydrobromic acid, heating to 68 ℃, and adding hexadecyl trimethyl ammonium bromide, wherein the weight ratio of hydrogen bromide to hexadecyl trimethyl ammonium bromide in the sodium lignosulfonate to the hydrobromic acid is 13: 10: 0.4, heating to 83 ℃, stirring and reacting for 3.2 hours, and carrying out post-treatment after the reaction is finished to obtain a material A; adding 2,2,6, 6-tetramethyl-4-piperidinol and epoxy chloropropane into dimethylformamide, heating to 78 ℃, adding boron trifluoride, and stirring at 78 ℃ for reacting for 4 hours to obtain a material B; adding the material A into a sodium hydroxide aqueous solution to obtain a mixed solution, heating to 82 ℃, adding the material B, stirring and reacting for 2.5h at 82 ℃, then adding lanthanum nitrate, stirring for 11h at 42 ℃, and performing aftertreatment to obtain the modified lignin; wherein the weight ratio of 2,2,6, 6-tetramethyl-4-piperidinol, epichlorohydrin, boron trifluoride, material A and lanthanum nitrate is 38: 13: 1.7: 62: 3; the weight ratio of 2,2,6, 6-tetramethyl-4-piperidinol to dimethylformamide is 4: 3.8, the pH value of the mixed solution is 10, and the solid content is 13 wt%.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The antiskid permeable pavement is characterized by comprising a pavement base layer and an adhesive stone surface layer paved on the surface of the pavement base layer; the raw materials of the adhesive stone surface layer comprise the following components in parts by weight: 2-5 parts of a component A, 3-7 parts of a component B and 95-105 parts of aggregate;
wherein the component A comprises the following raw materials in parts by weight: 6-13 parts of 1, 4-butanediol adipate, 1-9 parts of polyether polyol, 1-2 parts of dipropylene glycol, 0.8-2.7 parts of neopentyl glycol, 0.1-0.6 part of linoleic acid, 2-3.9 parts of castor oil, 0.1-0.6 part of 2,2,3,3,4,4,5, 5-octafluoro-1-pentanol, 0.5-1 part of epoxy resin E-440.5-1 part of epoxy resin E-140.1-0.5 part of diphenylmethane diisocyanate, 12-23 parts of hexamethylene diisocyanate, 3-11 parts of nano silicon dioxide, 1-4 parts of nano calcium carbonate, 3-9 parts of boron carbide and 12-25 parts of modified lignin;
the component B comprises the following raw materials in parts by weight: 73-9 parts of 1, 8-diazacyclo [5,4,0] undecene-73 and 1-4 parts of triethanolamine;
the modified lignin is prepared according to the following process: under the protection of nitrogen, uniformly mixing sodium lignosulfonate aqueous solution with hydrobromic acid, heating to 60-70 ℃, adding hexadecyl trimethyl ammonium bromide, heating to 80-90 ℃, stirring for reaction for 2-3.5h, and performing post-treatment after the reaction to obtain a material A; adding 2,2,6, 6-tetramethyl-4-piperidinol and epoxy chloropropane into dimethylformamide, heating to 70-80 ℃, adding boron trifluoride, and stirring at 70-80 ℃ for reaction for 3-5h to obtain a material B; adding the material A into a sodium hydroxide aqueous solution to obtain a mixed solution, heating to 80-90 ℃, adding the material B, stirring and reacting at 80-90 ℃ for 2-3h, then adding lanthanum nitrate, stirring at 30-45 ℃ for 5-12h, and carrying out post-treatment to obtain the modified lignin.
2. The antiskid permeable pavement according to claim 1, wherein the molecular weight of the poly (1, 4-butylene adipate) is 1000-3000.
3. The antiskid permeable pavement according to claim 1, wherein the polyether polyol is one or a mixture of two of polyether polyol GE-210 and polyether polyol GEP-330N.
4. The antiskid permeable pavement according to claim 1, wherein the nano silica has a particle size of 30 to 45 nm; the particle size of the nano calcium carbonate is 50-80 nm; the particle size of the boron carbide is 4-8 μm.
5. The antiskid permeable pavement according to claim 1, wherein in the preparation process of the modified lignin, the weight ratio of sodium lignosulfonate to hydrogen bromide in hydrobromic acid to cetyltrimethylammonium bromide is 10-15: 10-23: 0.2-0.5; the weight ratio of 2,2,6, 6-tetramethyl-4-piperidinol, epichlorohydrin, boron trifluoride, material A and lanthanum nitrate is 35-45: 10-15: 1.5-2: 50-65: 3-6.
6. The antiskid permeable pavement according to claim 1, wherein the pH value of the mixed solution is 8-10 and the solid content is 10-25 wt% in the preparation process of the modified lignin.
7. The antiskid permeable pavement according to claim 1, wherein the aggregate is one or a mixture of natural colored stones, ceramic particles, glass beads, colored sand, terrazzo, cobblestones and luminous stones.
8. The antiskid permeable pavement according to claim 1, wherein the aggregate has a particle size of 0.35 to 0.48 cm.
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