CN103408924A - Pavement joint sealing material - Google Patents
Pavement joint sealing material Download PDFInfo
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- CN103408924A CN103408924A CN2013102903183A CN201310290318A CN103408924A CN 103408924 A CN103408924 A CN 103408924A CN 2013102903183 A CN2013102903183 A CN 2013102903183A CN 201310290318 A CN201310290318 A CN 201310290318A CN 103408924 A CN103408924 A CN 103408924A
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Abstract
The invention discloses a pavement joint sealing material. The pavement joint sealing material comprises the following components in parts by weight: 60-80 parts of polyether polyol, 40-50 parts of diphenylmethane diisocyanate, 10-18 parts of hemp stem based lignocelluloses, 5-10 parts of nylon, 2-10 parts of light stabilizer, 1-6 parts of inorganic nanometer oxide, 10-20 parts of antioxygen, 1-6 parts of hammer milled glass fiber, 2-8 parts of coupling agent, 6-10 parts of xylene, 1-5 parts of foaming inhibitor, and 3-10 parts of waterproof agent. Under a synergistic effect, the components can improve the uvioresistant capability of the sealing material, so as to improve the weather resistance capability and ageing resistance capability, effectively prolong the service life of the sealing material to over 20 years, and effectively reduce the probability of bubbles and cracks in high-humidity environment. The pavement joint sealing material also has the advantages of good elasticity, caking property, endurance and weather resistance, strong binding force and convenience in construction, can endure long-term stretching, compression and vibration, and cannot be destroyed by thermal expansion in the joint, repeated stretching and compression; when the sealing material is paved on a cement concrete pavement, the quality of the cement concrete pavement can be improved, and the service life of the pavement is effectively prolonged.
Description
Technical field
The present invention relates to a kind of seam sealer, particularly a kind of joint closure material.
Background technology
Quick increase along with highway mileage and highway density, the Road maintenance problem that highway maintenance department faces is increasingly serious, pavement disease in various degree appears in the numerous national highways in the whole nation, provincial highway and motorway, crack disease particularly, the road structure integrity is not only destroyed in crack, has also reduced simultaneously comfortableness and the security of road.No matter be cement concrete pavement or bituminous pavement, due to factor effects such as material natural characteristics, construction process, physical environments, the appearance in crack can't be avoided.Initial stage (1-2) appears in crack, and the crack Pavement Performance in Distress has no significant effect.Under traffic loading and physical environment comprehensive action, crack is gradually to roadbed expansion, and to peel off may appear in ground surface material, along phenomenons such as crack fragmentations, affects the road surface integrity.Pass in time, crack two layers of material strength decreased, road surface forms the hole groove.Even more serious, road table ponding can be take crack as passage is seeped into soil matrix, weakens subgrade strength and stability.Cement concrete ground general because of can't acclimatization constantly expand with heat and contract with cold, the easy craze and transfiguration in cement concrete ground that firmization is good, therefore can stay gap on road surface when construction, these gaps just need telescopicing performance material filling preferably.One of seam sealer commonly used tar polyurethane calking, it has used tackifying resin---urethane that can self-vulcanizing, and the performance of this series products is greatly improved.Advantage is that urethane belongs to the resene pointing, and its normal use temperature is 3O mono-7O ℃, does not therefore need at the construction field (site) heating; And, at some weather severe cold area, common Polyurethane pointing low temperature modification blend interlinkage Polyurethane can be solved under its low temperature to performance partially crisp, and the trend of low-temperature embrittleness is arranged, secondly this product good springiness, high with gap wall cohesive strength, do not seep water; And oil resistant, wear-resisting, vibration resistance etc.But shortcoming is: weathering resistance is bad, can not be heated for a long time, and easily aging under long-term solar radiation, ageing resistance is bad, and obviously shorten work-ing life; Under high humidity environment, easily produce bubble and crackle, can not meet the requirement of Joint Sealants for Cemcent Concrete Pavement life-time service.
Therefore, for above deficiency, need to traditional joint closure material be improved, make it in the situation that have higher adhesivity, good elasticity and ductility, good high temperature performance, have certain toughness, can have simultaneously weathering resistance preferably, can be heated for a long time, avoid being subjected to uviolizing and aging, strengthen ageing resistance, extend its work-ing life; Solution produces the problem of bubble and crackle under high humidity environment, and can meet the requirement of Joint Sealants for Cemcent Concrete Pavement life-time service.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of joint closure material, make it in the situation that have higher adhesivity, good elasticity and ductility, good high temperature performance, have certain toughness, can have simultaneously weathering resistance preferably, can be heated for a long time, avoid being subjected to uviolizing and aging, the enhancing ageing resistance, extend its work-ing life; Solution is difficult for producing the problem of bubble and crackle under high humidity environment, and can meet the requirement of Joint Sealants for Cemcent Concrete Pavement life-time service.
A kind of joint closure material of the present invention, the seam sealer raw material comprises following component by weight: polyether glycol 60-80 part, diphenylmethanediisocyanate 40-50 part, Chinese waste of flax core lignocellulose 10-18 part, nylon 5-10 part, photostabilizer 2-10 part, inorganic nanometer oxide 1-6 part, oxidation inhibitor 10-20 part, sledge mill glass 1-6 part, coupling agent 2-8 part, dimethylbenzene 6-10 part, frothing inhibitor 1-5 part, water-resisting agent 3-10 part;
Further, the seam sealer raw material comprises following component by weight: polyether glycol 65-80 part, diphenylmethanediisocyanate 45-50 part, Chinese waste of flax core lignocellulose 12-18 part, nylon 5-10 part, photostabilizer 5-10 part, inorganic nanometer oxide 2-6 part, oxidation inhibitor 15-20 part, sledge mill glass 1-6 part, coupling agent 4-8 part, dimethylbenzene 6-10 part, frothing inhibitor 1-5 part, water-resisting agent 5-10 part;
Further, the seam sealer raw material comprises following component by weight: 70 parts of polyether glycols, 45 parts of diphenylmethanediisocyanates, 15 parts of Chinese waste of flax core lignocelluloses, nylon 8 part, 8 parts of photostabilizers, 5 parts of inorganic nanometer oxides, 18 parts, oxidation inhibitor, 4 parts of sledge mill glasses, 5 parts of coupling agents, 6 parts of dimethylbenzene, 2 parts of frothing inhibitors, 8 parts of water-resisting agents;
Further, the seam sealer raw material comprises following component by weight: 65 parts of polyether glycols, 40 parts of diphenylmethanediisocyanates, 17 parts of Chinese waste of flax core lignocelluloses, 6 parts of nylon, 8 parts of photostabilizers, 4 parts of inorganic nanometer oxides, 16 parts, oxidation inhibitor, 6 parts of sledge mill glasses, 7 parts of coupling agents, 8 parts of dimethylbenzene, 4 parts of frothing inhibitors, 10 parts of water-resisting agents;
Further, described polyether glycol is one or more mixtures in polyoxypropyleneglycol, polyoxytrimethylene triol, polytetrahydrofuran diol;
Further, described photostabilizer is 2-(2 ˊ-hydroxyl-5 ˊ-aminomethyl phenyl) benzotriazole, 4-benzoyloxy-2, a kind of or two or more mixtures in 2,6,6-tetramethyl piperidine, Octabenzone, HMPA; Described inorganic nanometer oxide is nano-TiO
2, nano-ZnO a kind of or two kinds of mixtures;
Further, described oxidation inhibitor is the mixture of one or both and thio-2 acid dibasic acid esters in tri-grades of butyl of 2,6--4-methylphenol, two (tri-grades of butyl of 3,5--4-hydroxy phenyl) thioether;
Further, described coupling agent is one or both mixtures in aluminum oxide, silicon oxide;
Further, described frothing inhibitor is one or both mixtures in molecular sieve, dehydrated gyp-; Described water-resisting agent is one or both mixtures in calcium oxide, magnesium oxide.
Beneficial effect of the present invention: joint closure material of the present invention, by between component, acting synergistically to strengthen the anti-uv-ray of seam sealer, to strengthen its weather resistance, improve ageing resistance, effectively extend the work-ing life of seam sealer, be more than 20 years working life, can effectively reduce the probability that produces bubble and crackle under high humidity environment; By photostabilizer barrier or inhibition photoredox or photoaging process, and with the inorganic nanometer oxide synergy, improve the ultraviolet-resistant aging performance, simultaneously, utilize filler to improve intensity and thermotolerance and the chemical stability of seam sealer, utilize the sledge mill glass further to strengthen its intensity, the gases such as carbonic acid gas that utilize frothing inhibitor to absorb raw material moisture and self produce, prevent the generation at high humidity environment bubble and crackle.Joint closure material of the present invention also has elasticity, cohesiveness and durable, weathering resistance simultaneously, can be for a long time through Tensile, compression and oscillating action, cohesive force is strong, can stand seam crossing expands with heat and contract with cold and repeatedly stretches, compresses and be not destroyed and the advantage such as easy construction, use it for cement concrete pavement, the quality of cement concrete pavement is improved, service life of road surface is effectively extended.
Embodiment
A kind of joint closure material of the present embodiment, the seam sealer raw material comprises following component by weight: polyether glycol 60-80 part, diphenylmethanediisocyanate 40-50 part, Chinese waste of flax core lignocellulose 10-18 part, nylon 5-10 part, photostabilizer 2-10 part, inorganic nanometer oxide 1-6 part, oxidation inhibitor 10-20 part, sledge mill glass 1-6 part, coupling agent 2-8 part, dimethylbenzene 6-10 part, frothing inhibitor 1-5 part, water-resisting agent 3-10 part;
In the present embodiment, the seam sealer raw material comprises following component by weight: polyether glycol 65-80 part, diphenylmethanediisocyanate 45-50 part, Chinese waste of flax core lignocellulose 12-18 part, nylon 5-10 part, photostabilizer 5-10 part, inorganic nanometer oxide 2-6 part, oxidation inhibitor 15-20 part, sledge mill glass 1-6 part, coupling agent 4-8 part, dimethylbenzene 6-10 part, frothing inhibitor 1-5 part, water-resisting agent 5-10 part; For preferable range;
In the present embodiment, the seam sealer raw material comprises following component by weight: 70 parts of polyether glycols, 45 parts of diphenylmethanediisocyanates, 15 parts of Chinese waste of flax core lignocelluloses, nylon 8 part, 8 parts of photostabilizers, 5 parts of inorganic nanometer oxides, 18 parts, oxidation inhibitor, 4 parts of sledge mill glasses, 5 parts of coupling agents, 6 parts of dimethylbenzene, 2 parts of frothing inhibitors, 8 parts of water-resisting agents;
In the present embodiment, the seam sealer raw material comprises following component by weight: 65 parts of polyether glycols, 40 parts of diphenylmethanediisocyanates, 17 parts of Chinese waste of flax core lignocelluloses, 6 parts of nylon, 8 parts of photostabilizers, 4 parts of inorganic nanometer oxides, 16 parts, oxidation inhibitor, 6 parts of sledge mill glasses, 7 parts of coupling agents, 8 parts of dimethylbenzene, 4 parts of frothing inhibitors, 10 parts of water-resisting agents;
In the present embodiment, described polyether glycol is one or more mixtures in polyoxypropyleneglycol, polyoxytrimethylene triol, polytetrahydrofuran diol;
In the present embodiment, described photostabilizer is 2-(2 ˊ-hydroxyl-5 ˊ-aminomethyl phenyl) benzotriazole, 4-benzoyloxy-2, a kind of or two or more mixtures in 2,6,6-tetramethyl piperidine, Octabenzone, HMPA; Described inorganic nanometer oxide is nano-TiO
2, nano-ZnO a kind of or two kinds of mixtures;
In the present embodiment, described oxidation inhibitor is the mixture of one or both and thio-2 acid dibasic acid esters in tri-grades of butyl of 2,6--4-methylphenol, two (tri-grades of butyl of 3,5--4-hydroxy phenyl) thioether;
In the present embodiment, described coupling agent is one or both mixtures in aluminum oxide, silicon oxide;
In the present embodiment, described frothing inhibitor is one or both mixtures in molecular sieve, dehydrated gyp-; Described water-resisting agent is one or both mixtures in calcium oxide, magnesium oxide.
In following embodiment, the seam sealer raw material weight is: weight part * 1KG.
Embodiment mono-
The joint closure material of the present embodiment, the seam sealer raw material comprises following component by weight: 70 parts of polyether glycols, 45 parts of diphenylmethanediisocyanates, 15 parts of Chinese waste of flax core lignocelluloses, nylon 8 part, 8 parts of photostabilizers, 5 parts of inorganic nanometer oxides, 18 parts, oxidation inhibitor, 4 parts of sledge mill glasses, 5 parts of coupling agents, 6 parts of dimethylbenzene, 2 parts of frothing inhibitors, 8 parts of water-resisting agents;
In the present embodiment, described polyether glycol is polyoxypropyleneglycol; In the present embodiment, polyoxypropyleneglycol is replaced with to a kind of in polyoxytrimethylene triol, polytetrahydrofuran diol by equivalent weight part or by equivalent weight part, replace with the mixture of polyoxypropyleneglycol and polyoxytrimethylene triol, polytetrahydrofuran diol, all obtain qualified joint closure material, the product property of gained there is no significant difference;
In the present embodiment, described photostabilizer is 2-(2 ˊ-hydroxyl-5 ˊ-aminomethyl phenyl) benzotriazole; In the present embodiment, by 2-(2 ˊ-hydroxyl-5 ˊ-aminomethyl phenyl) that equivalent weight part of benzotriazole replaces with 4-benzoyloxy-2,2,6, a kind of in 6-tetramethyl piperidine, Octabenzone, HMPA; Perhaps by equivalent weight part, replace with 2-(2 ˊ-hydroxyl-5 ˊ-aminomethyl phenyl) benzotriazole, 4-benzoyloxy-2,2,6, the mixture of 6-tetramethyl piperidine, Octabenzone, HMPA, all obtain qualified joint closure material, the product property of gained there is no significant difference; In the present embodiment, described inorganic nanometer oxide is nano-TiO
2By nano-TiO
2According to equivalent weight part, replace with nano-ZnO; Or the nano-TiO replaced with according to equivalent weight part
2And nano-TiO
2Mixture, all obtain qualified joint closure material, the product property of gained there is no significant difference;
In the present embodiment, described oxidation inhibitor is tri-grades of butyl of 2,6--4-methylphenol; In the present embodiment, tri-grades of butyl of 2,6--4-methylphenol is replaced with to the mixture of two (tri-grades of butyl of 3,5--4-hydroxy phenyl) thioethers and thio-2 acid dibasic acid esters according to equivalent weight part; All obtain qualified joint closure material, the product property of gained there is no significant difference;
In the present embodiment, described coupling agent is aluminum oxide; In the present embodiment, aluminum oxide is replaced with to silicon oxide according to equivalent weight part; Perhaps according to equivalent weight part, replace with the mixture of aluminum oxide and silicon oxide; All obtain qualified joint closure material, the product property of gained there is no significant difference;
In the present embodiment, described frothing inhibitor is molecular sieve; In the present embodiment, molecular sieve is replaced with to dehydrated gyp-according to equivalent weight part; Perhaps according to equivalent weight part, replace with the mixture of molecular sieve and dehydrated gyp-; All obtain qualified joint closure material, the product property of gained there is no significant difference; In the present embodiment, described water-resisting agent is calcium oxide; In the present embodiment, calcium oxide is replaced with to magnesium oxide according to equivalent weight part; Perhaps according to equivalent weight part, replace with calcium oxide and magnesian mixture; All obtain qualified joint closure material, the product property of gained there is no significant difference.
Embodiment bis-
The seam sealer raw material comprises following component by weight: 65 parts of polyether glycols, 40 parts of diphenylmethanediisocyanates, 17 parts of Chinese waste of flax core lignocelluloses, 6 parts of nylon, 8 parts of photostabilizers, 4 parts of inorganic nanometer oxides, 16 parts, oxidation inhibitor, 6 parts of sledge mill glasses, 7 parts of coupling agents, 8 parts of dimethylbenzene, 4 parts of frothing inhibitors, 10 parts of water-resisting agents;
In the present embodiment, described polyether glycol is the polyoxytrimethylene triol; In the present embodiment, the polyoxytrimethylene triol is replaced with to a kind of in polyoxypropyleneglycol, polytetrahydrofuran diol by equivalent weight part or by equivalent weight part, replace with the mixture of polyoxypropyleneglycol and polyoxytrimethylene triol, polytetrahydrofuran diol, all obtain qualified joint closure material, the product property of gained there is no significant difference;
In the present embodiment, described photostabilizer is 4-benzoyloxy-2,2,6, the 6-tetramethyl piperidine; In the present embodiment, by 4-benzoyloxy-2,2,6,6-tetramethyl piperidine equivalent weight part replaces with 2-(2 ˊ-hydroxyl-5 ˊ-aminomethyl phenyl) a kind of in benzotriazole, Octabenzone, HMPA; Perhaps by equivalent weight part, replace with 2-(2 ˊ-hydroxyl-5 ˊ-aminomethyl phenyl) benzotriazole, 4-benzoyloxy-2,2,6, the mixture of 6-tetramethyl piperidine, Octabenzone, HMPA, all obtain qualified joint closure material, the product property of gained there is no significant difference; In the present embodiment, described inorganic nanometer oxide is nano-ZnO; Nano-ZnO is replaced with to nano-TiO according to equivalent weight part
2Or the nano-TiO replaced with according to equivalent weight part
2And nano-TiO
2Mixture, all obtain qualified joint closure material, the product property of gained there is no significant difference;
In the present embodiment, described oxidation inhibitor is two (tri-grades of butyl of 3,5--4-hydroxy phenyl) thioethers; In the present embodiment, two (tri-grades of butyl of 3,5--4-hydroxy phenyl) thioethers are replaced with to 2 according to equivalent weight part, the mixture of tri-grades of butyl of 6--4-methylphenol and thio-2 acid dibasic acid esters; All obtain qualified joint closure material, the product property of gained there is no significant difference;
In the present embodiment, described coupling agent is silicon oxide; In the present embodiment, silicon oxide is replaced with to aluminum oxide according to equivalent weight part; Perhaps according to equivalent weight part, replace with the mixture of aluminum oxide and silicon oxide; All obtain qualified joint closure material, the product property of gained there is no significant difference;
In the present embodiment, described frothing inhibitor is dehydrated gyp-; In the present embodiment, dehydrated gyp-is replaced with to molecular sieve according to equivalent weight part; Perhaps according to equivalent weight part, replace with the mixture of molecular sieve and dehydrated gyp-; All obtain qualified joint closure material, the product property of gained there is no significant difference; In the present embodiment, described water-resisting agent is magnesium oxide; In the present embodiment, magnesium oxide is replaced with to calcium oxide according to equivalent weight part; Perhaps according to equivalent weight part, replace with calcium oxide and magnesian mixture; All obtain qualified joint closure material, the product property of gained there is no significant difference.
Embodiment tri-
The joint closure material of the present embodiment, the seam sealer raw material comprises following component by weight: 60 parts of polyether glycols, 40 parts of diphenylmethanediisocyanates, 10 parts of Chinese waste of flax core lignocelluloses, 5 parts of nylon, 2 parts of photostabilizers, 1 part of inorganic nanometer oxide, 10 parts, oxidation inhibitor, 1 part of sledge mill glass, 2 parts of coupling agents, 6 parts of dimethylbenzene, 1 part of frothing inhibitor, 3 parts of water-resisting agents;
In the present embodiment, described polyether glycol is polytetrahydrofuran diol; In the present embodiment, polytetrahydrofuran diol is replaced with to a kind of in polyoxytrimethylene triol, polyoxypropyleneglycol by equivalent weight part or by equivalent weight part, replace with the mixture of polyoxypropyleneglycol and polyoxytrimethylene triol, polytetrahydrofuran diol, all obtain qualified joint closure material, the product property of gained there is no significant difference;
In the present embodiment, described photostabilizer is Octabenzone; In the present embodiment, Octabenzone is replaced with to 4-benzoyloxy-2,2,6 by equivalent weight part, 6-tetramethyl piperidine, 2-(2 ˊ-hydroxyl-5 ˊ-aminomethyl phenyl) a kind of in benzotriazole, HMPA; Perhaps by equivalent weight part, replace with 2-(2 ˊ-hydroxyl-5 ˊ-aminomethyl phenyl) benzotriazole, 4-benzoyloxy-2,2,6, the mixture of 6-tetramethyl piperidine, Octabenzone, HMPA, all obtain qualified joint closure material, the product property of gained there is no significant difference; In the present embodiment, described inorganic nanometer oxide is nano-TiO
2By nano-TiO
2According to equivalent weight part, replace with nano-ZnO; Or the nano-TiO replaced with according to equivalent weight part
2And nano-TiO
2Mixture, all obtain qualified joint closure material, the product property of gained there is no significant difference;
In the present embodiment, described oxidation inhibitor is tri-grades of butyl of 2,6--4-methylphenol; In the present embodiment, tri-grades of butyl of 2,6--4-methylphenol is replaced with to the mixture of two (tri-grades of butyl of 3,5--4-hydroxy phenyl) thioethers and thio-2 acid dibasic acid esters according to equivalent weight part; All obtain qualified joint closure material, the product property of gained there is no significant difference;
In the present embodiment, described coupling agent is aluminum oxide; In the present embodiment, aluminum oxide is replaced with to silicon oxide according to equivalent weight part; Perhaps according to equivalent weight part, replace with the mixture of aluminum oxide and silicon oxide; All obtain qualified joint closure material, the product property of gained there is no significant difference;
In the present embodiment, described frothing inhibitor is molecular sieve; In the present embodiment, molecular sieve is replaced with to dehydrated gyp-according to equivalent weight part; Perhaps according to equivalent weight part, replace with the mixture of molecular sieve and dehydrated gyp-; All obtain qualified joint closure material, the product property of gained there is no significant difference; In the present embodiment, described water-resisting agent is calcium oxide; In the present embodiment, calcium oxide is replaced with to magnesium oxide according to equivalent weight part; Perhaps according to equivalent weight part, replace with calcium oxide and magnesian mixture; All obtain qualified joint closure material, the product property of gained there is no significant difference.
Embodiment tetra-
In the present embodiment, the seam sealer raw material comprises following component by weight: 65 parts of polyether glycols, 45 parts of diphenylmethanediisocyanates, 12 parts of Chinese waste of flax core lignocelluloses, 10 parts of nylon, 5 parts of photostabilizers, 2 parts of inorganic nanometer oxides, 15 parts, oxidation inhibitor, 1 part of sledge mill glass, 4 parts of coupling agents, 6 parts of dimethylbenzene, 1 part of frothing inhibitor, 5 parts of water-resisting agents;
In the present embodiment, described polyether glycol is polyoxypropyleneglycol; In the present embodiment, polyoxypropyleneglycol is replaced with to a kind of in polyoxytrimethylene triol, polytetrahydrofuran diol by equivalent weight part or by equivalent weight part, replace with the mixture of polyoxypropyleneglycol and polyoxytrimethylene triol, polytetrahydrofuran diol, all obtain qualified joint closure material, the product property of gained there is no significant difference;
In the present embodiment, described photostabilizer is HMPA; In the present embodiment, HMPA is replaced with to 4-benzoyloxy-2,2,6 by equivalent weight part, 6-tetramethyl piperidine, Octabenzone, 2-(2 ˊ-hydroxyl-5 ˊ-aminomethyl phenyl) a kind of in benzotriazole; Perhaps by equivalent weight part, replace with 2-(2 ˊ-hydroxyl-5 ˊ-aminomethyl phenyl) benzotriazole, 4-benzoyloxy-2,2,6, the mixture of 6-tetramethyl piperidine, Octabenzone, HMPA, all obtain qualified joint closure material, the product property of gained there is no significant difference; In the present embodiment, described inorganic nanometer oxide is nano-ZnO; Nano-ZnO is replaced with to nano-TiO according to equivalent weight part
2Or the nano-TiO replaced with according to equivalent weight part
2And nano-TiO
2Mixture, all obtain qualified joint closure material, the product property of gained there is no significant difference;
In the present embodiment, described oxidation inhibitor is two (tri-grades of butyl of 3,5--4-hydroxy phenyl) thioethers; In the present embodiment, two (tri-grades of butyl of 3,5--4-hydroxy phenyl) thioethers are replaced with to 2 according to equivalent weight part, the mixture of tri-grades of butyl of 6--4-methylphenol and thio-2 acid dibasic acid esters; All obtain qualified joint closure material, the product property of gained there is no significant difference;
In the present embodiment, described coupling agent is silicon oxide; In the present embodiment, silicon oxide is replaced with to aluminum oxide according to equivalent weight part; Perhaps according to equivalent weight part, replace with the mixture of aluminum oxide and silicon oxide; All obtain qualified joint closure material, the product property of gained there is no significant difference;
In the present embodiment, described frothing inhibitor is molecular sieve; In the present embodiment, molecular sieve is replaced with to dehydrated gyp-according to equivalent weight part; Perhaps according to equivalent weight part, replace with the mixture of molecular sieve and dehydrated gyp-; All obtain qualified joint closure material, the product property of gained there is no significant difference; In the present embodiment, described water-resisting agent is calcium oxide; In the present embodiment, calcium oxide is replaced with to magnesium oxide according to equivalent weight part; Perhaps according to equivalent weight part, replace with calcium oxide and magnesian mixture; All obtain qualified joint closure material, the product property of gained there is no significant difference.
Embodiment five
A kind of joint closure material of the present embodiment, the seam sealer raw material comprises following component by weight: 80 parts of polyether glycols, 50 parts of diphenylmethanediisocyanates, 18 parts of Chinese waste of flax core lignocelluloses, 7 parts of nylon, 10 parts of photostabilizers, 6 parts of inorganic nanometer oxides, 20 parts, oxidation inhibitor, 6 parts of sledge mill glasses, 8 parts of coupling agents, 10 parts of dimethylbenzene, 5 parts of frothing inhibitors, 10 parts of water-resisting agents;
In the present embodiment, described polyether glycol is the polyoxytrimethylene triol; In the present embodiment, the polyoxytrimethylene triol is replaced with to a kind of in polyoxypropyleneglycol, polytetrahydrofuran diol by equivalent weight part or by equivalent weight part, replace with the mixture of polyoxypropyleneglycol and polyoxytrimethylene triol, polytetrahydrofuran diol, all obtain qualified joint closure material, the product property of gained there is no significant difference;
In the present embodiment, described photostabilizer is 4-benzoyloxy-2,2,6, the 6-tetramethyl piperidine; In the present embodiment, by 4-benzoyloxy-2,2,6,6-tetramethyl piperidine equivalent weight part replaces with 2-(2 ˊ-hydroxyl-5 ˊ-aminomethyl phenyl) a kind of in benzotriazole, Octabenzone, HMPA; Perhaps by equivalent weight part, replace with 2-(2 ˊ-hydroxyl-5 ˊ-aminomethyl phenyl) benzotriazole, 4-benzoyloxy-2,2,6, the mixture of 6-tetramethyl piperidine, Octabenzone, HMPA, all obtain qualified joint closure material, the product property of gained there is no significant difference; In the present embodiment, described inorganic nanometer oxide is nano-ZnO; Nano-ZnO is replaced with to nano-TiO according to equivalent weight part
2Or the nano-TiO replaced with according to equivalent weight part
2And nano-TiO
2Mixture, all obtain qualified joint closure material, the product property of gained there is no significant difference;
In the present embodiment, described oxidation inhibitor is two (tri-grades of butyl of 3,5--4-hydroxy phenyl) thioethers; In the present embodiment, two (tri-grades of butyl of 3,5--4-hydroxy phenyl) thioethers are replaced with to 2 according to equivalent weight part, the mixture of tri-grades of butyl of 6--4-methylphenol and thio-2 acid dibasic acid esters; All obtain qualified joint closure material, the product property of gained there is no significant difference;
In the present embodiment, described coupling agent is silicon oxide; In the present embodiment, silicon oxide is replaced with to aluminum oxide according to equivalent weight part; Perhaps according to equivalent weight part, replace with the mixture of aluminum oxide and silicon oxide; All obtain qualified joint closure material, the product property of gained there is no significant difference;
In the present embodiment, described frothing inhibitor is dehydrated gyp-; In the present embodiment, dehydrated gyp-is replaced with to molecular sieve according to equivalent weight part; Perhaps according to equivalent weight part, replace with the mixture of molecular sieve and dehydrated gyp-; All obtain qualified joint closure material, the product property of gained there is no significant difference; In the present embodiment, described water-resisting agent is magnesium oxide; In the present embodiment, magnesium oxide is replaced with to calcium oxide according to equivalent weight part; Perhaps according to equivalent weight part, replace with calcium oxide and magnesian mixture; All obtain qualified joint closure material, the product property of gained there is no significant difference.
Embodiment six
A kind of joint closure material of the present embodiment, the seam sealer raw material comprises following component by weight: 61 parts of polyether glycols, 41 parts of diphenylmethanediisocyanates, 11 parts of Chinese waste of flax core lignocelluloses, nylon 8 part, 3 parts of photostabilizers, 2 parts of inorganic nanometer oxides, 11 parts, oxidation inhibitor, 2 parts of sledge mill glasses, 3 parts of coupling agents, 7 parts of dimethylbenzene, 2 parts of frothing inhibitors, 4 parts of water-resisting agents;
In the present embodiment, described polyether glycol is polyoxypropyleneglycol; In the present embodiment, polyoxypropyleneglycol is replaced with to a kind of in polyoxytrimethylene triol, polytetrahydrofuran diol by equivalent weight part or by equivalent weight part, replace with the mixture of polyoxypropyleneglycol and polyoxytrimethylene triol, polytetrahydrofuran diol, all obtain qualified joint closure material, the product property of gained there is no significant difference;
In the present embodiment, described photostabilizer is HMPA; In the present embodiment, HMPA is replaced with to 4-benzoyloxy-2,2,6 by equivalent weight part, 6-tetramethyl piperidine, Octabenzone, 2-(2 ˊ-hydroxyl-5 ˊ-aminomethyl phenyl) a kind of in benzotriazole; Perhaps by equivalent weight part, replace with 2-(2 ˊ-hydroxyl-5 ˊ-aminomethyl phenyl) benzotriazole, 4-benzoyloxy-2,2,6, the mixture of 6-tetramethyl piperidine, Octabenzone, HMPA, all obtain qualified joint closure material, the product property of gained there is no significant difference; In the present embodiment, described inorganic nanometer oxide is nano-ZnO; Nano-ZnO is replaced with to nano-TiO according to equivalent weight part
2Or the nano-TiO replaced with according to equivalent weight part
2And nano-TiO
2Mixture, all obtain qualified joint closure material, the product property of gained there is no significant difference;
In the present embodiment, described oxidation inhibitor is two (tri-grades of butyl of 3,5--4-hydroxy phenyl) thioethers; In the present embodiment, two (tri-grades of butyl of 3,5--4-hydroxy phenyl) thioethers are replaced with to 2 according to equivalent weight part, the mixture of tri-grades of butyl of 6--4-methylphenol and thio-2 acid dibasic acid esters; All obtain qualified joint closure material, the product property of gained there is no significant difference;
In the present embodiment, described coupling agent is silicon oxide; In the present embodiment, silicon oxide is replaced with to aluminum oxide according to equivalent weight part; Perhaps according to equivalent weight part, replace with the mixture of aluminum oxide and silicon oxide; All obtain qualified joint closure material, the product property of gained there is no significant difference;
In the present embodiment, described frothing inhibitor is molecular sieve; In the present embodiment, molecular sieve is replaced with to dehydrated gyp-according to equivalent weight part; Perhaps according to equivalent weight part, replace with the mixture of molecular sieve and dehydrated gyp-; All obtain qualified joint closure material, the product property of gained there is no significant difference; In the present embodiment, described water-resisting agent is calcium oxide; In the present embodiment, calcium oxide is replaced with to magnesium oxide according to equivalent weight part; Perhaps according to equivalent weight part, replace with calcium oxide and magnesian mixture; All obtain qualified joint closure material, the product property of gained there is no significant difference.
Embodiment seven
A kind of joint closure material of the present embodiment, the seam sealer raw material comprises following component by weight: 79 parts of polyether glycols, 49 parts of diphenylmethanediisocyanates, 17 parts of Chinese waste of flax core lignocelluloses, 6 parts of nylon, 9 parts of photostabilizers, 5 parts of inorganic nanometer oxides, 19.5 parts, oxidation inhibitor, 5 parts of sledge mill glasses, 18.5 parts of fillers, 6 parts of coupling agents, 7.5 parts of dimethylbenzene, 3.5 parts of frothing inhibitors, 9 parts of water-resisting agents;
In the present embodiment, described polyether glycol is polytetrahydrofuran diol; In the present embodiment, polytetrahydrofuran diol is replaced with to a kind of in polyoxytrimethylene triol, polyoxypropyleneglycol by equivalent weight part or by equivalent weight part, replace with the mixture of polyoxypropyleneglycol and polyoxytrimethylene triol, polytetrahydrofuran diol, all obtain qualified joint closure material, the product property of gained there is no significant difference;
In the present embodiment, described photostabilizer is Octabenzone; In the present embodiment, Octabenzone is replaced with to 4-benzoyloxy-2,2,6 by equivalent weight part, 6-tetramethyl piperidine, 2-(2 ˊ-hydroxyl-5 ˊ-aminomethyl phenyl) a kind of in benzotriazole, HMPA; Perhaps by equivalent weight part, replace with 2-(2 ˊ-hydroxyl-5 ˊ-aminomethyl phenyl) benzotriazole, 4-benzoyloxy-2,2,6, the mixture of 6-tetramethyl piperidine, Octabenzone, HMPA, all obtain qualified joint closure material, the product property of gained there is no significant difference; In the present embodiment, described inorganic nanometer oxide is nano-TiO
2By nano-TiO
2According to equivalent weight part, replace with nano-ZnO; Or the nano-TiO replaced with according to equivalent weight part
2And nano-TiO
2Mixture, all obtain qualified joint closure material, the product property of gained there is no significant difference;
In the present embodiment, described oxidation inhibitor is tri-grades of butyl of 2,6--4-methylphenol; In the present embodiment, tri-grades of butyl of 2,6--4-methylphenol is replaced with to the mixture of two (tri-grades of butyl of 3,5--4-hydroxy phenyl) thioethers and thio-2 acid dibasic acid esters according to equivalent weight part; All obtain qualified joint closure material, the product property of gained there is no significant difference;
In the present embodiment, described coupling agent is aluminum oxide; In the present embodiment, aluminum oxide is replaced with to silicon oxide according to equivalent weight part; Perhaps according to equivalent weight part, replace with the mixture of aluminum oxide and silicon oxide; All obtain qualified joint closure material, the product property of gained there is no significant difference;
In the present embodiment, described frothing inhibitor is molecular sieve; In the present embodiment, molecular sieve is replaced with to dehydrated gyp-according to equivalent weight part; Perhaps according to equivalent weight part, replace with the mixture of molecular sieve and dehydrated gyp-; All obtain qualified joint closure material, the product property of gained there is no significant difference; In the present embodiment, described water-resisting agent is calcium oxide; In the present embodiment, calcium oxide is replaced with to magnesium oxide according to equivalent weight part; Perhaps according to equivalent weight part, replace with calcium oxide and magnesian mixture; All obtain qualified joint closure material, the product property of gained there is no significant difference.
Embodiment eight
A kind of joint closure material of the present embodiment, the seam sealer raw material comprises following component by weight: 60 parts of polyether glycols, 50 parts of diphenylmethanediisocyanates, 18 parts of Chinese waste of flax core lignocelluloses, 10 parts of nylon, 2 parts of photostabilizers, 1 part of inorganic nanometer oxide, 20 parts, oxidation inhibitor, 1 part of sledge mill glass, 8 parts of coupling agents, 10 parts of dimethylbenzene, 1 part of frothing inhibitor, 10 parts of water-resisting agents;
In the present embodiment, described polyether glycol is the polyoxytrimethylene triol; In the present embodiment, the polyoxytrimethylene triol is replaced with to a kind of in polyoxypropyleneglycol, polytetrahydrofuran diol by equivalent weight part or by equivalent weight part, replace with the mixture of polyoxypropyleneglycol and polyoxytrimethylene triol, polytetrahydrofuran diol, all obtain qualified joint closure material, the product property of gained there is no significant difference;
In the present embodiment, described photostabilizer is 4-benzoyloxy-2,2,6, the 6-tetramethyl piperidine; In the present embodiment, by 4-benzoyloxy-2,2,6,6-tetramethyl piperidine equivalent weight part replaces with 2-(2 ˊ-hydroxyl-5 ˊ-aminomethyl phenyl) a kind of in benzotriazole, Octabenzone, HMPA; Perhaps by equivalent weight part, replace with 2-(2 ˊ-hydroxyl-5 ˊ-aminomethyl phenyl) benzotriazole, 4-benzoyloxy-2,2,6, the mixture of 6-tetramethyl piperidine, Octabenzone, HMPA, all obtain qualified joint closure material, the product property of gained there is no significant difference; In the present embodiment, described inorganic nanometer oxide is nano-ZnO; Nano-ZnO is replaced with to nano-TiO according to equivalent weight part
2Or the nano-TiO replaced with according to equivalent weight part
2And nano-TiO
2Mixture, all obtain qualified joint closure material, the product property of gained there is no significant difference;
In the present embodiment, described oxidation inhibitor is two (tri-grades of butyl of 3,5--4-hydroxy phenyl) thioethers; In the present embodiment, two (tri-grades of butyl of 3,5--4-hydroxy phenyl) thioethers are replaced with to 2 according to equivalent weight part, the mixture of tri-grades of butyl of 6--4-methylphenol and thio-2 acid dibasic acid esters; All obtain qualified joint closure material, the product property of gained there is no significant difference;
In the present embodiment, described coupling agent is silicon oxide; In the present embodiment, silicon oxide is replaced with to aluminum oxide according to equivalent weight part; Perhaps according to equivalent weight part, replace with the mixture of aluminum oxide and silicon oxide; All obtain qualified joint closure material, the product property of gained there is no significant difference;
In the present embodiment, described frothing inhibitor is dehydrated gyp-; In the present embodiment, dehydrated gyp-is replaced with to molecular sieve according to equivalent weight part; Perhaps according to equivalent weight part, replace with the mixture of molecular sieve and dehydrated gyp-; All obtain qualified joint closure material, the product property of gained there is no significant difference; In the present embodiment, described water-resisting agent is magnesium oxide; In the present embodiment, magnesium oxide is replaced with to calcium oxide according to equivalent weight part; Perhaps according to equivalent weight part, replace with calcium oxide and magnesian mixture; All obtain qualified joint closure material, the product property of gained there is no significant difference.
Embodiment nine
The joint closure material of the present embodiment, the seam sealer raw material comprises following component by weight: 80 parts of polyether glycols, 45 parts of diphenylmethanediisocyanates, 12 parts of Chinese waste of flax core lignocelluloses, 5 parts of nylon, 10 parts of photostabilizers, 2 parts of inorganic nanometer oxides, 20 parts, oxidation inhibitor, 1 part of sledge mill glass, 8 parts of coupling agents, 6 parts of dimethylbenzene, 1 part of frothing inhibitor, 5 parts of water-resisting agents;
In the present embodiment, described polyether glycol is polyoxypropyleneglycol; In the present embodiment, polyoxypropyleneglycol is replaced with to a kind of in polyoxytrimethylene triol, polytetrahydrofuran diol by equivalent weight part or by equivalent weight part, replace with the mixture of polyoxypropyleneglycol and polyoxytrimethylene triol, polytetrahydrofuran diol, all obtain qualified joint closure material, the product property of gained there is no significant difference;
In the present embodiment, described photostabilizer is 2-(2 ˊ-hydroxyl-5 ˊ-aminomethyl phenyl) benzotriazole; In the present embodiment, by 2-(2 ˊ-hydroxyl-5 ˊ-aminomethyl phenyl) that equivalent weight part of benzotriazole replaces with 4-benzoyloxy-2,2,6, a kind of in 6-tetramethyl piperidine, Octabenzone, HMPA; Perhaps by equivalent weight part, replace with 2-(2 ˊ-hydroxyl-5 ˊ-aminomethyl phenyl) benzotriazole, 4-benzoyloxy-2,2,6, the mixture of 6-tetramethyl piperidine, Octabenzone, HMPA, all obtain qualified joint closure material, the product property of gained there is no significant difference; In the present embodiment, described inorganic nanometer oxide is nano-TiO
2By nano-TiO
2According to equivalent weight part, replace with nano-ZnO; Or the nano-TiO replaced with according to equivalent weight part
2And nano-TiO
2Mixture, all obtain qualified joint closure material, the product property of gained there is no significant difference;
In the present embodiment, described oxidation inhibitor is tri-grades of butyl of 2,6--4-methylphenol; In the present embodiment, tri-grades of butyl of 2,6--4-methylphenol is replaced with to the mixture of two (tri-grades of butyl of 3,5--4-hydroxy phenyl) thioethers and thio-2 acid dibasic acid esters according to equivalent weight part; All obtain qualified joint closure material, the product property of gained there is no significant difference;
In the present embodiment, described coupling agent is aluminum oxide; In the present embodiment, aluminum oxide is replaced with to silicon oxide according to equivalent weight part; Perhaps according to equivalent weight part, replace with the mixture of aluminum oxide and silicon oxide; All obtain qualified joint closure material, the product property of gained there is no significant difference;
In the present embodiment, described frothing inhibitor is molecular sieve; In the present embodiment, molecular sieve is replaced with to dehydrated gyp-according to equivalent weight part; Perhaps according to equivalent weight part, replace with the mixture of molecular sieve and dehydrated gyp-; All obtain qualified joint closure material, the product property of gained there is no significant difference; In the present embodiment, described water-resisting agent is calcium oxide; In the present embodiment, calcium oxide is replaced with to magnesium oxide according to equivalent weight part; Perhaps according to equivalent weight part, replace with calcium oxide and magnesian mixture; All obtain qualified joint closure material, the product property of gained there is no significant difference.
Embodiment ten
A kind of joint closure material of the present embodiment, the seam sealer raw material comprises following component by weight: 68 parts of polyether glycols, 35 parts of diphenylmethanediisocyanates, 16 parts of Chinese waste of flax core lignocelluloses, 7 parts of nylon, 5 parts of photostabilizers, 3 parts of inorganic nanometer oxides, 16 parts, oxidation inhibitor, 4 parts of sledge mill glasses, 4 parts of coupling agents, 7 parts of dimethylbenzene, 3 parts of frothing inhibitors, 6 parts of water-resisting agents;
In the present embodiment, described polyether glycol is polyoxypropyleneglycol; In the present embodiment, polyoxypropyleneglycol is replaced with to a kind of in polyoxytrimethylene triol, polytetrahydrofuran diol by equivalent weight part or by equivalent weight part, replace with the mixture of polyoxypropyleneglycol and polyoxytrimethylene triol, polytetrahydrofuran diol, all obtain qualified joint closure material, the product property of gained there is no significant difference;
In the present embodiment, described photostabilizer is HMPA; In the present embodiment, HMPA is replaced with to 4-benzoyloxy-2,2,6 by equivalent weight part, 6-tetramethyl piperidine, Octabenzone, 2-(2 ˊ-hydroxyl-5 ˊ-aminomethyl phenyl) a kind of in benzotriazole; Perhaps by equivalent weight part, replace with 2-(2 ˊ-hydroxyl-5 ˊ-aminomethyl phenyl) benzotriazole, 4-benzoyloxy-2,2,6, the mixture of 6-tetramethyl piperidine, Octabenzone, HMPA, all obtain qualified joint closure material, the product property of gained there is no significant difference; In the present embodiment, described inorganic nanometer oxide is nano-ZnO; Nano-ZnO is replaced with to nano-TiO according to equivalent weight part
2Or the nano-TiO replaced with according to equivalent weight part
2And nano-TiO
2Mixture, all obtain qualified joint closure material, the product property of gained there is no significant difference;
In the present embodiment, described oxidation inhibitor is two (tri-grades of butyl of 3,5--4-hydroxy phenyl) thioethers; In the present embodiment, two (tri-grades of butyl of 3,5--4-hydroxy phenyl) thioethers are replaced with to 2 according to equivalent weight part, the mixture of tri-grades of butyl of 6--4-methylphenol and thio-2 acid dibasic acid esters; All obtain qualified joint closure material, the product property of gained there is no significant difference;
In the present embodiment, described coupling agent is silicon oxide; In the present embodiment, silicon oxide is replaced with to aluminum oxide according to equivalent weight part; Perhaps according to equivalent weight part, replace with the mixture of aluminum oxide and silicon oxide; All obtain qualified joint closure material, the product property of gained there is no significant difference;
In the present embodiment, described frothing inhibitor is molecular sieve; In the present embodiment, molecular sieve is replaced with to dehydrated gyp-according to equivalent weight part; Perhaps according to equivalent weight part, replace with the mixture of molecular sieve and dehydrated gyp-; All obtain qualified joint closure material, the product property of gained there is no significant difference; In the present embodiment, described water-resisting agent is calcium oxide; In the present embodiment, calcium oxide is replaced with to magnesium oxide according to equivalent weight part; Perhaps according to equivalent weight part, replace with calcium oxide and magnesian mixture; All obtain qualified joint closure material, the product property of gained there is no significant difference.
Be below the performance of joint closure material:
Joint closure material of the present invention, be single component joint closure material; In above-described embodiment, the Fibre diameter of sledge mill glass is 8-12, and Chinese waste of flax core lignocellulose refers to Chinese waste of flax core is crushed to 800-1000 purpose ultrafine powder, in above-described embodiment, each component mixed according to a conventional method and can be made the joint closure material.
Finally explanation is, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although with reference to preferred embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not breaking away from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (9)
1. joint closure material, it is characterized in that: the seam sealer raw material comprises following component by weight: polyether glycol 60-80 part, diphenylmethanediisocyanate 40-50 part, Chinese waste of flax core lignocellulose 10-18 part, nylon 5-10 part, photostabilizer 2-10 part, inorganic nanometer oxide 1-6 part, oxidation inhibitor 10-20 part, sledge mill glass 1-6 part, coupling agent 2-8 part, dimethylbenzene 6-10 part, frothing inhibitor 1-5 part, water-resisting agent 3-10 part.
2. joint closure material according to claim 1, it is characterized in that: the seam sealer raw material comprises following component by weight: polyether glycol 65-80 part, diphenylmethanediisocyanate 45-50 part, Chinese waste of flax core lignocellulose 12-18 part, nylon 5-10 part, photostabilizer 5-10 part, inorganic nanometer oxide 2-6 part, oxidation inhibitor 15-20 part, sledge mill glass 1-6 part, coupling agent 4-8 part, dimethylbenzene 6-10 part, frothing inhibitor 1-5 part, water-resisting agent 5-10 part.
3. according to the described joint closure material of claim 2, it is characterized in that: the seam sealer raw material comprises following component by weight: 70 parts of polyether glycols, 45 parts of diphenylmethanediisocyanates, 15 parts of Chinese waste of flax core lignocelluloses, nylon 8 part, 8 parts of photostabilizers, 5 parts of inorganic nanometer oxides, 18 parts, oxidation inhibitor, 4 parts of sledge mill glasses, 5 parts of coupling agents, 6 parts of dimethylbenzene, 2 parts of frothing inhibitors, 8 parts of water-resisting agents.
4. according to the described joint closure material of claim 2, it is characterized in that: the seam sealer raw material comprises following component by weight: 65 parts of polyether glycols, 40 parts of diphenylmethanediisocyanates, 17 parts of Chinese waste of flax core lignocelluloses, 6 parts of nylon, 8 parts of photostabilizers, 4 parts of inorganic nanometer oxides, 16 parts, oxidation inhibitor, 6 parts of sledge mill glasses, 7 parts of coupling agents, 8 parts of dimethylbenzene, 4 parts of frothing inhibitors, 10 parts of water-resisting agents.
5. joint closure material according to claim 4, it is characterized in that: described polyether glycol is one or more mixtures in polyoxypropyleneglycol, polyoxytrimethylene triol, polytetrahydrofuran diol.
6. joint closure material according to claim 5, it is characterized in that: described photostabilizer is 2-(2 ˊ-hydroxyl-5 ˊ-aminomethyl phenyl) benzotriazole, 4-benzoyloxy-2,2, a kind of or two or more mixtures in 6,6-tetramethyl piperidine, Octabenzone, HMPA; Described inorganic nanometer oxide is nano-TiO
2, nano-ZnO a kind of or two kinds of mixtures.
7. joint closure material according to claim 6 is characterized in that: described oxidation inhibitor is the mixture of one or both and thio-2 acid dibasic acid esters in tri-grades of butyl of 2,6--4-methylphenol, two (tri-grades of butyl of 3,5--4-hydroxy phenyl) thioether.
8. joint closure material according to claim 7, it is characterized in that: described coupling agent is one or both mixtures in aluminum oxide, silicon oxide.
9. joint closure material according to claim 8, it is characterized in that: described frothing inhibitor is one or both mixtures in molecular sieve, dehydrated gyp-; Described water-resisting agent is one or both mixtures in calcium oxide, magnesium oxide.
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| CN201310290318.3A CN103408924B (en) | 2013-07-10 | 2013-07-10 | Joint closure material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105733490B (en) * | 2016-03-25 | 2018-05-04 | 济南大学 | A kind of cement concrete pavement gap-filling glue of moisturecuring self-crosslinking |
| CN108342939A (en) * | 2018-01-08 | 2018-07-31 | 深圳市东进技术服务有限公司 | A kind of anti-ponding type asphalt pavement construction method |
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| US20090029042A1 (en) * | 2007-07-26 | 2009-01-29 | Bayer Materialscience Llc | Concrete repair process |
| CN102604368A (en) * | 2012-03-02 | 2012-07-25 | 济南大学 | NCO replaced crosslinking cured joint filling material for concrete pavement |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1321717A (en) * | 2000-06-13 | 2001-11-14 | 中国科学院广州化学研究所 | Elastic polyurethane type concrete road joint glue and its preparation method |
| US20090029042A1 (en) * | 2007-07-26 | 2009-01-29 | Bayer Materialscience Llc | Concrete repair process |
| CN102604368A (en) * | 2012-03-02 | 2012-07-25 | 济南大学 | NCO replaced crosslinking cured joint filling material for concrete pavement |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105733490B (en) * | 2016-03-25 | 2018-05-04 | 济南大学 | A kind of cement concrete pavement gap-filling glue of moisturecuring self-crosslinking |
| CN108342939A (en) * | 2018-01-08 | 2018-07-31 | 深圳市东进技术服务有限公司 | A kind of anti-ponding type asphalt pavement construction method |
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