CN113980456A - Waterproof tape of polyurethane composition component - Google Patents
Waterproof tape of polyurethane composition component Download PDFInfo
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- CN113980456A CN113980456A CN202111347246.2A CN202111347246A CN113980456A CN 113980456 A CN113980456 A CN 113980456A CN 202111347246 A CN202111347246 A CN 202111347246A CN 113980456 A CN113980456 A CN 113980456A
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- 239000000203 mixture Substances 0.000 title claims abstract description 72
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 24
- 239000004814 polyurethane Substances 0.000 title claims abstract description 24
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims abstract description 45
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000004014 plasticizer Substances 0.000 claims abstract description 25
- 239000003381 stabilizer Substances 0.000 claims abstract description 25
- 230000003712 anti-aging effect Effects 0.000 claims abstract description 24
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 24
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 23
- 239000003607 modifier Substances 0.000 claims abstract description 23
- 239000002994 raw material Substances 0.000 claims abstract description 23
- 239000000853 adhesive Substances 0.000 claims abstract description 21
- 230000001070 adhesive effect Effects 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- -1 fatty acid ester Chemical class 0.000 claims abstract description 16
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 15
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 15
- 229920000570 polyether Polymers 0.000 claims abstract description 15
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 15
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims abstract description 8
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000004709 Chlorinated polyethylene Substances 0.000 claims abstract description 8
- 239000004698 Polyethylene Substances 0.000 claims abstract description 8
- 239000004793 Polystyrene Substances 0.000 claims abstract description 8
- 239000002253 acid Substances 0.000 claims abstract description 8
- 125000001931 aliphatic group Chemical group 0.000 claims abstract description 8
- 150000008052 alkyl sulfonates Chemical class 0.000 claims abstract description 8
- QAZYYQMPRQKMAC-FDGPNNRMSA-L calcium;(z)-4-oxopent-2-en-2-olate Chemical compound [Ca+2].C\C([O-])=C\C(C)=O.C\C([O-])=C\C(C)=O QAZYYQMPRQKMAC-FDGPNNRMSA-L 0.000 claims abstract description 8
- 235000014113 dietary fatty acids Nutrition 0.000 claims abstract description 8
- 150000002148 esters Chemical class 0.000 claims abstract description 8
- 239000000194 fatty acid Substances 0.000 claims abstract description 8
- 229930195729 fatty acid Natural products 0.000 claims abstract description 8
- 230000001050 lubricating effect Effects 0.000 claims abstract description 8
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229920000573 polyethylene Polymers 0.000 claims abstract description 8
- 229920002223 polystyrene Polymers 0.000 claims abstract description 8
- 239000000843 powder Substances 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims description 25
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 14
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 14
- 238000005266 casting Methods 0.000 claims description 12
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 claims description 7
- 235000021355 Stearic acid Nutrition 0.000 claims description 7
- 235000019400 benzoyl peroxide Nutrition 0.000 claims description 7
- 239000006229 carbon black Substances 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 7
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 7
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 7
- 239000008117 stearic acid Substances 0.000 claims description 7
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 claims description 7
- 239000011787 zinc oxide Substances 0.000 claims description 7
- 239000011230 binding agent Substances 0.000 claims 1
- 239000012752 auxiliary agent Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 238000004078 waterproofing Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
- C08L75/08—Polyurethanes from polyethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention discloses a waterproof tape containing a polyurethane composition, which comprises the following raw materials in parts by weight: 25-40 parts of water, 20-40 parts of polyether, 15-25 parts of polyethylene glycol, 10-15 parts of triethylene diamine, 5-15 parts of triethylamine, 1-4 parts of plasticizer, 3-7 parts of modifier, 1-8 parts of cross-linking agent, 5-7 parts of stabilizer, 1-5 parts of adhesive and 4-9 parts of anti-aging agent, wherein the plasticizer is prepared by mixing aliphatic dibasic acid ester, fatty acid ester and alkyl sulfonate of 4-7:1-5:4-8, the modifier is prepared by mixing lubricating powder and chlorinated polyethylene of 2-6:3-5:7-9, the cross-linking agent is prepared by mixing acrylic acid, polyethylene and polystyrene of 1-4:2-6:3-7, and the stabilizer is prepared by mixing cycloBAO tri-salt of 2-7:1-6:2-9, The waterproof tape is prepared by mixing pentaerythritol and calcium acetylacetonate, and the strength of the prepared waterproof tape is higher, the elongation rate is high, the elasticity is higher by improving the auxiliary agent on the existing polyurethane composition, so that the waterproof tape is recommended to be widely popularized.
Description
Technical Field
The invention relates to the technical field of polyurethane, in particular to a waterproof belt containing a polyurethane composition.
Background
With the enhancement of comprehensive national force, the construction of railways, highways, subways and municipal engineering in China is greatly accelerated, wherein underground basic engineering such as tunnels, underground engineering and the like is inevitably involved. Construction joints, settlement joints and deformation joints need to be reserved for the reasons that continuous pouring or foundation deformation cannot be carried out, concrete members expand with heat and contract with cold due to temperature change and the like. Waterproof tape must be installed at these seams to prevent water leakage problems.
With the increasing of underground construction range and difficulty, the strength of the waterproof belt is not high, and the water discharge belt is easy to be damaged after long-time use, so a waterproof belt containing a polyurethane composition component is provided for solving the problems.
Disclosure of Invention
The invention provides a waterproof belt containing a polyurethane composition, which is based on the technical problems that the strength of the waterproof belt is not high and the water discharge belt is easy to damage after long-term use in the background art.
The invention provides a waterproof tape containing a polyurethane composition, which comprises the following raw materials in parts by weight: 25-40 parts of water, 20-40 parts of polyether, 15-25 parts of polyethylene glycol, 10-15 parts of triethylene diamine, 5-15 parts of triethylamine, 1-4 parts of plasticizer, 3-7 parts of modifier, 1-8 parts of cross-linking agent, 5-7 parts of stabilizer, 1-5 parts of adhesive and 4-9 parts of anti-aging agent.
Preferably, the plasticizer is prepared by mixing aliphatic dibasic acid ester, fatty acid ester and alkyl sulfonate in a ratio of 4-7:1-5:4-8, and the modifier is prepared by mixing lubricating powder and chlorinated polyethylene in a ratio of 2-6:3-5: 7-9.
Preferably, the cross-linking agent is prepared by mixing acrylic acid, polyethylene and polystyrene in a ratio of 1-4:2-6:3-7, and the stabilizing agent is prepared by mixing cycloBAITRILE, pentaerythritol and calcium acetylacetonate in a ratio of 2-7:1-6: 2-9.
Preferably, the adhesive is prepared by mixing 1-6:3-7:5-8 of toluene diisocyanate, styrene and dibenzoyl peroxide, and the anti-aging agent is prepared by mixing 1-5.25:4-7:3-9 of carbon black, stearic acid and zinc oxide.
Preferably, the method comprises the following steps:
s1, mixing the raw materials, namely mixing the raw materials to obtain a mixture;
s2, modifying the mixture;
and S3, casting and molding the mixture.
Preferably, in the step S1, water, polyether, polyethylene glycol, triethylenediamine, and triethylamine are first added into a stirrer to be stirred at a temperature of 95-120 ℃, after stirring for 10-15min, the stirrer temperature is then cooled to 50-70 ℃, and a plasticizer, a modifier, a crosslinking agent, a stabilizer, an adhesive, and an anti-aging agent are sequentially added at intervals of 1-2min, and finally, a first mixture is prepared after stirring for 10-20 min.
Preferably, the mixture is further stirred for 1.5-2h at a speed of 70-95rpm by vacuum pumping in the step of S2 to obtain a second mixture.
Preferably, the second mixture is poured into a mold at 130-140 ℃ in the step S3, and then vulcanized for 2.5-3.5h at 135-145 ℃ to obtain the waterproof tape.
The invention has the beneficial effects that:
1. the plasticizer is added, so that the performance of the raw material can be improved, the production cost is reduced, the production benefit is improved, and the plasticizer is added;
2. by adding the stabilizer, the stabilizer can increase the stability of each auxiliary agent;
3. by adding the anti-aging agent, the anti-aging agent can effectively prevent the waterproof belt from being gradually sticky, hardened, brittle or cracked;
according to the invention, by improving the assistant on the existing polyurethane composition, the prepared waterproof belt has the advantages of higher strength, high elongation and higher elasticity, and is recommended to be widely popularized.
Drawings
Fig. 1 is a flow chart of the present invention.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
Referring to FIG. 1, the first embodiment
The embodiment provides a waterproof tape containing a polyurethane composition, which comprises the following raw materials in parts by weight: 25 parts of water, 20 parts of polyether, 15 parts of polyethylene glycol, 10 parts of triethylene diamine, 5 parts of triethylamine, 1 part of plasticizer, 3 parts of modifier, 1 part of cross-linking agent, 5 parts of stabilizer, 1 part of adhesive and 4 parts of anti-aging agent, the plasticizer is prepared by mixing 4:1:4 aliphatic dibasic acid ester, fatty acid ester and alkyl sulfonate, the modifier is prepared by mixing 2:3:7 lubricating powder and chlorinated polyethylene, the cross-linking agent is prepared by mixing 1:2:3 acrylic acid, polyethylene and polystyrene, the stabilizer is prepared by mixing 2:1:2 cycloBANJI, pentaerythritol and calcium acetylacetonate, the adhesive is prepared by mixing 1:3:5 toluene diisocyanate, styrene and dibenzoyl peroxide, and the anti-aging agent is prepared by mixing 1:4:3 carbon black, stearic acid and zinc oxide.
The method comprises the following steps:
s1, mixing the raw materials, namely mixing the raw materials to obtain a mixture, firstly adding water, polyether, polyethylene glycol, triethylene diamine and triethylamine into a stirrer to stir at the temperature of 95 ℃, cooling the stirrer to 50 ℃ after stirring for 10min, sequentially adding a plasticizer, a modifier, a cross-linking agent, a stabilizer, an adhesive and an anti-aging agent at intervals of 1min, and finally stirring for 10min to obtain a first mixture;
s2, modifying the mixture, vacuumizing the mixture, and stirring at the speed of 70rpm for 1.5h to prepare a second mixture;
s3, casting and molding the mixture, namely casting the second mixture into a mold at 130 ℃, and then vulcanizing at the temperature of 135 ℃ and 145 ℃ for 2.5 hours to obtain the waterproof belt.
Referring to FIG. 1, example II
The embodiment provides a waterproof tape containing a polyurethane composition, which comprises the following raw materials in parts by weight: 32 parts of water, 28 parts of polyether, 22 parts of polyethylene glycol, 13 parts of triethylene diamine, 12 parts of triethylamine, 3 parts of plasticizer, 4 parts of modifier, 6 parts of cross-linking agent, 6 parts of stabilizer, 4 parts of adhesive and 5 parts of anti-aging agent, the plasticizer is prepared by mixing 6:3:7 aliphatic dibasic acid ester, fatty acid ester and alkyl sulfonate, the modifier is prepared by mixing 4:4:8 lubricating powder and chlorinated polyethylene, the cross-linking agent is prepared by mixing 3:5:6 acrylic acid, polyethylene and polystyrene, the stabilizer is prepared by mixing 5:4:7 cycloBAITRILE, pentaerythritol and calcium acetylacetonate, the adhesive is prepared by mixing 5:4:7 toluene diisocyanate, styrene and dibenzoyl peroxide, and the anti-aging agent is prepared by mixing 3:5:7 carbon black, stearic acid and zinc oxide.
The method comprises the following steps:
s1, mixing the raw materials, namely mixing the raw materials to obtain a mixture, firstly adding water, polyether, polyethylene glycol, triethylene diamine and triethylamine into a stirrer to stir at the temperature of 110 ℃, cooling the stirrer to 65 ℃ after stirring for 11min, sequentially adding a plasticizer, a modifier, a cross-linking agent, a stabilizer, an adhesive and an anti-aging agent at intervals of 1.5min, and finally stirring for 12 min to obtain a first mixture;
s2, modifying the mixture, vacuumizing the mixture, and stirring at the speed of 82rpm for 1.8h to obtain a second mixture;
and S3, casting and molding the mixture, namely casting the second mixture into a mold at 135 ℃, and vulcanizing at 142 ℃ for 3.2 hours to obtain the waterproof belt.
Referring to FIG. 1, example III
The embodiment provides a waterproof tape containing a polyurethane composition, which comprises the following raw materials in parts by weight: 33 parts of water, 27 parts of polyether, 19 parts of polyethylene glycol, 13 parts of triethylene diamine, 9 parts of triethylamine, 3 parts of plasticizer, 5 parts of modifier, 2 parts of cross-linking agent, 6 parts of stabilizer, 4 parts of adhesive and 7 parts of anti-aging agent, wherein the plasticizer is prepared by mixing aliphatic dibasic acid ester, fatty acid ester and alkyl sulfonate according to the ratio of 6:2:5, the modifier is prepared by mixing lubricating powder and chlorinated polyethylene according to the ratio of 4:4:8, the cross-linking agent is prepared by mixing acrylic acid, polyethylene and polystyrene according to the ratio of 2:3:4, the stabilizer is prepared by mixing cycloBANJI, pentaerythritol and calcium acetylacetonate according to the ratio of 6:3:7, the adhesive is prepared by mixing toluene diisocyanate, styrene and dibenzoyl peroxide according to the ratio of 3:4:6, and the anti-aging agent is prepared by mixing carbon black according to the ratio of 1-5.25:4-7:3-9, Mixing stearic acid and zinc oxide.
The method comprises the following steps:
s1, mixing the raw materials, namely mixing the raw materials to obtain a mixture, firstly adding water, polyether, polyethylene glycol, triethylene diamine and triethylamine into a stirrer to stir at the temperature of 115 ℃, cooling the stirrer to 52 ℃ after stirring for 13min, sequentially adding a plasticizer, a modifier, a cross-linking agent, a stabilizer, an adhesive and an anti-aging agent at intervals of 1.3min, and finally stirring for 12 min to obtain a first mixture;
s2, modifying the mixture, vacuumizing the mixture, and stirring at the speed of 80rpm for 1.7h to prepare a second mixture;
and S3, casting and molding the mixture, namely casting the second mixture into a mold at the temperature of 137 ℃, and vulcanizing at the temperature of 139 ℃ for 2.7 hours to obtain the waterproof belt.
Referring to FIG. 1, example No. four
The embodiment provides a waterproof tape containing a polyurethane composition, which comprises the following raw materials in parts by weight: 32 parts of water, 27 parts of polyether, 17 parts of polyethylene glycol, 13 parts of triethylene diamine, 7 parts of triethylamine, 3 parts of plasticizer, 6 parts of modifier, 5 parts of cross-linking agent, 6 parts of stabilizer, 4 parts of adhesive and 7 parts of anti-aging agent, the plasticizer is prepared by mixing aliphatic dibasic acid ester, fatty acid ester and alkyl sulfonate in a ratio of 4:5:4, the modifier is prepared by mixing lubricating powder and chlorinated polyethylene in a ratio of 6:5:8, the cross-linking agent is prepared by mixing acrylic acid, polyethylene and polystyrene in a ratio of 1:6:4, the stabilizer is prepared by mixing cycloBAITRILE, pentaerythritol and calcium acetylacetonate in a ratio of 5:3:4, the adhesive is prepared by mixing toluene diisocyanate, styrene and dibenzoyl peroxide in a ratio of 4:5:7, and the anti-aging agent is prepared by mixing carbon black, stearic acid and zinc oxide in a ratio of 4.25:6: 7.
The method comprises the following steps:
s1, mixing the raw materials, namely mixing the raw materials to obtain a mixture, firstly adding water, polyether, polyethylene glycol, triethylene diamine and triethylamine into a stirrer to stir at the temperature of 98 ℃, cooling the stirrer to 52 ℃ after stirring for 13min, sequentially adding a plasticizer, a modifier, a cross-linking agent, a stabilizer, an adhesive and an anti-aging agent at intervals of 1.6min, and finally stirring for 17 min to obtain a first mixture;
s2, modifying the mixture, vacuumizing the mixture, and stirring at 83rpm for 1.8h to obtain a second mixture;
and S3, casting and molding the mixture, namely casting the second mixture into a mold at 133 ℃, and then vulcanizing at 139 ℃ for 3.2 hours to obtain the waterproof belt.
Referring to FIG. 1, example V
The embodiment provides a waterproof tape containing a polyurethane composition, which comprises the following raw materials in parts by weight: 40 parts of water, 40 parts of polyether, 25 parts of polyethylene glycol, 15 parts of triethylene diamine, 15 parts of triethylamine, 4 parts of plasticizer, 7 parts of modifier, 8 parts of cross-linking agent, 7 parts of stabilizer, 5 parts of adhesive and 9 parts of anti-aging agent, the plasticizer is prepared by mixing 7:5:8 aliphatic dibasic acid ester, fatty acid ester and alkyl sulfonate, the modifier is prepared by mixing 6:5:9 lubricating powder and chlorinated polyethylene, the cross-linking agent is prepared by mixing 4:6:7 acrylic acid, polyethylene and polystyrene, the stabilizer is prepared by mixing 7:6:9 cycloBAITRILE, pentaerythritol and calcium acetylacetonate, the adhesive is prepared by mixing 6:7:8 toluene diisocyanate, styrene and dibenzoyl peroxide, and the anti-aging agent is prepared by mixing 5.25:7:9 carbon black, stearic acid and zinc oxide.
The method comprises the following steps:
s1, mixing the raw materials, namely mixing the raw materials to obtain a mixture, firstly adding water, polyether, polyethylene glycol, triethylene diamine and triethylamine into a stirrer to stir at the temperature of 120 ℃, cooling the stirrer to 70 ℃ after stirring for 15min, sequentially adding a plasticizer, a modifier, a cross-linking agent, a stabilizer, an adhesive and an anti-aging agent at intervals of 2min, and finally stirring for 20 min to obtain a first mixture;
s2, modifying the mixture, vacuumizing the mixture, and stirring at the speed of 95rpm for 1.5-2h to obtain a second mixture;
and S3, casting and molding the mixture, namely casting the second mixture into a mold at 140 ℃, and then vulcanizing at 145 ℃ for 3.5 hours to obtain the waterproof belt.
Comparing the conventional waterproofing tape with the waterproofing tapes prepared in examples one to five, the waterproofing tapes prepared in examples one to five are as follows:
from the above table, it is understood that the water-proof tape of one polyurethane composition component proposed by the present invention is remarkably improved, and the second embodiment is the best embodiment.
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. A waterproof tape containing a polyurethane composition is characterized by comprising the following raw materials in parts by weight: 25-40 parts of water, 20-40 parts of polyether, 15-25 parts of polyethylene glycol, 10-15 parts of triethylene diamine, 5-15 parts of triethylamine, 1-4 parts of plasticizer, 3-7 parts of modifier, 1-8 parts of cross-linking agent, 5-7 parts of stabilizer, 1-5 parts of adhesive and 4-9 parts of anti-aging agent.
2. The waterproof tape containing the polyurethane composition according to claim 1, wherein the plasticizer is prepared by mixing the aliphatic dibasic acid ester, the fatty acid ester and the alkyl sulfonate at a ratio of 4-7:1-5:4-8, and the modifier is prepared by mixing the lubricating powder and the chlorinated polyethylene at a ratio of 2-6:3-5: 7-9.
3. The waterproof tape comprising the polyurethane composition according to claim 1, wherein the cross-linking agent is prepared by mixing acrylic acid, polyethylene and polystyrene at a ratio of 1-4:2-6:3-7, and the stabilizer is prepared by mixing cycloBAITRILE, pentaerythritol and calcium acetylacetonate at a ratio of 2-7:1-6: 2-9.
4. The waterproof tape comprising the polyurethane composition according to claim 1, wherein the adhesive is prepared by mixing 1-6:3-7:5-8 of toluene diisocyanate, styrene and dibenzoyl peroxide, and the anti-aging agent is prepared by mixing 1-5.25:4-7:3-9 of carbon black, stearic acid and zinc oxide.
5. The waterproof tape of claim 1, comprising the polyurethane composition component, and further comprising the steps of:
s1, mixing the raw materials, namely mixing the raw materials to obtain a mixture;
s2, modifying the mixture;
and S3, casting and molding the mixture.
6. The waterproof tape comprising the polyurethane composition according to claim 5, wherein the water, the polyether, the polyethylene glycol, the triethylenediamine and the triethylamine are first added into a mixer and stirred at a temperature of 95-120 ℃ in the step of S1, after stirring for 10-15min, the temperature of the mixer is then lowered to 50-70 ℃, and the plasticizer, the modifier, the crosslinking agent, the stabilizer, the binder and the anti-aging agent are sequentially added at an interval of 1-2min, and finally the first mixture is obtained after stirring for 10-20 min.
7. The waterproof tape comprising the polyurethane composition according to claim 5, wherein the second mixture is prepared by stirring the mixture at 70 to 95rpm for 1.5 to 2 hours under vacuum in the step of S2.
8. The waterproof tape comprising the polyurethane composition as claimed in claim 5, wherein the second mixture is poured into a mold at 130-140 ℃ in the step S3, and then vulcanized at 135-145 ℃ for 2.5-3.5h to obtain the waterproof tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111347246.2A CN113980456A (en) | 2021-11-15 | 2021-11-15 | Waterproof tape of polyurethane composition component |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111347246.2A CN113980456A (en) | 2021-11-15 | 2021-11-15 | Waterproof tape of polyurethane composition component |
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| CN113980456A true CN113980456A (en) | 2022-01-28 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106700009A (en) * | 2016-12-07 | 2017-05-24 | 中国铁道科学研究院金属及化学研究所 | Polyurethane composition, polyurethane water-stopping strip and steel-edged water-stopping belt comprising water-stopping strip |
| CN109535538A (en) * | 2018-12-10 | 2019-03-29 | 青华科教仪器有限公司 | A kind of stationery rubber and preparation method thereof |
| CN109914237A (en) * | 2018-12-29 | 2019-06-21 | 中国铁道科学研究院集团有限公司金属及化学研究所 | A kind of complex waterproof layer and its construction method for railway Ballast track concrete bridge deck |
-
2021
- 2021-11-15 CN CN202111347246.2A patent/CN113980456A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106700009A (en) * | 2016-12-07 | 2017-05-24 | 中国铁道科学研究院金属及化学研究所 | Polyurethane composition, polyurethane water-stopping strip and steel-edged water-stopping belt comprising water-stopping strip |
| CN109535538A (en) * | 2018-12-10 | 2019-03-29 | 青华科教仪器有限公司 | A kind of stationery rubber and preparation method thereof |
| CN109914237A (en) * | 2018-12-29 | 2019-06-21 | 中国铁道科学研究院集团有限公司金属及化学研究所 | A kind of complex waterproof layer and its construction method for railway Ballast track concrete bridge deck |
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