CN115433466B - 一种环氧改性沥青及其制备方法 - Google Patents
一种环氧改性沥青及其制备方法 Download PDFInfo
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- CN115433466B CN115433466B CN202110606330.5A CN202110606330A CN115433466B CN 115433466 B CN115433466 B CN 115433466B CN 202110606330 A CN202110606330 A CN 202110606330A CN 115433466 B CN115433466 B CN 115433466B
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- modified asphalt
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- polyphosphoric acid
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- 239000010426 asphalt Substances 0.000 title claims abstract description 130
- 239000004593 Epoxy Substances 0.000 title claims abstract description 63
- 238000002360 preparation method Methods 0.000 title claims abstract description 27
- 150000008064 anhydrides Chemical class 0.000 claims abstract description 57
- 229920000137 polyphosphoric acid Polymers 0.000 claims abstract description 50
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000003822 epoxy resin Substances 0.000 claims abstract description 26
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 26
- 239000002893 slag Substances 0.000 claims abstract description 26
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 24
- 230000009467 reduction Effects 0.000 claims abstract description 21
- 238000004523 catalytic cracking Methods 0.000 claims abstract description 19
- 239000003921 oil Substances 0.000 claims abstract description 19
- 239000002002 slurry Substances 0.000 claims abstract description 18
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 17
- 238000002156 mixing Methods 0.000 claims abstract description 17
- 239000003607 modifier Substances 0.000 claims abstract description 11
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 10
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 10
- 239000000126 substance Substances 0.000 claims abstract description 10
- 239000003999 initiator Substances 0.000 claims abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims description 91
- 238000010008 shearing Methods 0.000 claims description 57
- 238000000034 method Methods 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 31
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 28
- 238000003756 stirring Methods 0.000 claims description 26
- 239000004841 bisphenol A epoxy resin Substances 0.000 claims description 19
- 239000007789 gas Substances 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 15
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 11
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 9
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 claims description 8
- 125000003118 aryl group Chemical group 0.000 claims description 8
- 239000000084 colloidal system Substances 0.000 claims description 8
- ZSWFCLXCOIISFI-UHFFFAOYSA-N cyclopentadiene Chemical compound C1C=CC=C1 ZSWFCLXCOIISFI-UHFFFAOYSA-N 0.000 claims description 8
- 238000004321 preservation Methods 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 8
- 229920006395 saturated elastomer Polymers 0.000 claims description 8
- 239000004952 Polyamide Substances 0.000 claims description 7
- 239000011261 inert gas Substances 0.000 claims description 7
- 229920002647 polyamide Polymers 0.000 claims description 7
- 230000035484 reaction time Effects 0.000 claims description 7
- WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical compound NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 6
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 6
- HTZCNXWZYVXIMZ-UHFFFAOYSA-M benzyl(triethyl)azanium;chloride Chemical compound [Cl-].CC[N+](CC)(CC)CC1=CC=CC=C1 HTZCNXWZYVXIMZ-UHFFFAOYSA-M 0.000 claims description 6
- 229940018564 m-phenylenediamine Drugs 0.000 claims description 6
- 239000011701 zinc Substances 0.000 claims description 6
- 229910052725 zinc Inorganic materials 0.000 claims description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- LTVUCOSIZFEASK-MPXCPUAZSA-N (3ar,4s,7r,7as)-3a-methyl-3a,4,7,7a-tetrahydro-4,7-methano-2-benzofuran-1,3-dione Chemical compound C([C@H]1C=C2)[C@H]2[C@H]2[C@]1(C)C(=O)OC2=O LTVUCOSIZFEASK-MPXCPUAZSA-N 0.000 claims description 4
- PMJHHCWVYXUKFD-SNAWJCMRSA-N (E)-1,3-pentadiene Chemical group C\C=C\C=C PMJHHCWVYXUKFD-SNAWJCMRSA-N 0.000 claims description 4
- YXIWHUQXZSMYRE-UHFFFAOYSA-N 1,3-benzothiazole-2-thiol Chemical class C1=CC=C2SC(S)=NC2=C1 YXIWHUQXZSMYRE-UHFFFAOYSA-N 0.000 claims description 4
- HECLRDQVFMWTQS-RGOKHQFPSA-N 1755-01-7 Chemical compound C1[C@H]2[C@@H]3CC=C[C@@H]3[C@@H]1C=C2 HECLRDQVFMWTQS-RGOKHQFPSA-N 0.000 claims description 4
- XQVWYOYUZDUNRW-UHFFFAOYSA-N N-Phenyl-1-naphthylamine Chemical compound C=1C=CC2=CC=CC=C2C=1NC1=CC=CC=C1 XQVWYOYUZDUNRW-UHFFFAOYSA-N 0.000 claims description 4
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 4
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical group C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 claims description 4
- RLSSMJSEOOYNOY-UHFFFAOYSA-N m-cresol Chemical compound CC1=CC=CC(O)=C1 RLSSMJSEOOYNOY-UHFFFAOYSA-N 0.000 claims description 4
- PMJHHCWVYXUKFD-UHFFFAOYSA-N piperylene Natural products CC=CC=C PMJHHCWVYXUKFD-UHFFFAOYSA-N 0.000 claims description 4
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 claims description 4
- 230000000087 stabilizing effect Effects 0.000 claims description 4
- CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical compound CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 claims description 4
- 239000002383 tung oil Substances 0.000 claims description 4
- AHDSRXYHVZECER-UHFFFAOYSA-N 2,4,6-tris[(dimethylamino)methyl]phenol Chemical compound CN(C)CC1=CC(CN(C)C)=C(O)C(CN(C)C)=C1 AHDSRXYHVZECER-UHFFFAOYSA-N 0.000 claims description 3
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 claims description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 3
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical group C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 3
- 239000012964 benzotriazole Chemical group 0.000 claims description 3
- DKVNPHBNOWQYFE-UHFFFAOYSA-N carbamodithioic acid Chemical compound NC(S)=S DKVNPHBNOWQYFE-UHFFFAOYSA-N 0.000 claims description 3
- 238000009833 condensation Methods 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims description 3
- 150000002462 imidazolines Chemical class 0.000 claims description 3
- QOHMWDJIBGVPIF-UHFFFAOYSA-N n',n'-diethylpropane-1,3-diamine Chemical compound CCN(CC)CCCN QOHMWDJIBGVPIF-UHFFFAOYSA-N 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 229910052717 sulfur Inorganic materials 0.000 claims description 3
- 239000011593 sulfur Substances 0.000 claims description 3
- BIGYLAKFCGVRAN-UHFFFAOYSA-N 1,3,4-thiadiazolidine-2,5-dithione Chemical class S=C1NNC(=S)S1 BIGYLAKFCGVRAN-UHFFFAOYSA-N 0.000 claims description 2
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 claims description 2
- FRIBMENBGGCKPD-UHFFFAOYSA-N 3-(2,3-dimethoxyphenyl)prop-2-enal Chemical compound COC1=CC=CC(C=CC=O)=C1OC FRIBMENBGGCKPD-UHFFFAOYSA-N 0.000 claims description 2
- RNLHGQLZWXBQNY-UHFFFAOYSA-N 3-(aminomethyl)-3,5,5-trimethylcyclohexan-1-amine Chemical compound CC1(C)CC(N)CC(C)(CN)C1 RNLHGQLZWXBQNY-UHFFFAOYSA-N 0.000 claims description 2
- WVRNUXJQQFPNMN-VAWYXSNFSA-N 3-[(e)-dodec-1-enyl]oxolane-2,5-dione Chemical compound CCCCCCCCCC\C=C\C1CC(=O)OC1=O WVRNUXJQQFPNMN-VAWYXSNFSA-N 0.000 claims description 2
- 239000004342 Benzoyl peroxide Substances 0.000 claims description 2
- 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 2
- MQJKPEGWNLWLTK-UHFFFAOYSA-N Dapsone Chemical compound C1=CC(N)=CC=C1S(=O)(=O)C1=CC=C(N)C=C1 MQJKPEGWNLWLTK-UHFFFAOYSA-N 0.000 claims description 2
- 125000000217 alkyl group Chemical group 0.000 claims description 2
- -1 alkyl phenothiazine Chemical compound 0.000 claims description 2
- 150000001412 amines Chemical group 0.000 claims description 2
- IMUDHTPIFIBORV-UHFFFAOYSA-N aminoethylpiperazine Chemical compound NCCN1CCNCC1 IMUDHTPIFIBORV-UHFFFAOYSA-N 0.000 claims description 2
- 235000019400 benzoyl peroxide Nutrition 0.000 claims description 2
- 230000008859 change Effects 0.000 claims description 2
- 238000011161 development Methods 0.000 claims description 2
- ZZTCPWRAHWXWCH-UHFFFAOYSA-N diphenylmethanediamine Chemical compound C=1C=CC=CC=1C(N)(N)C1=CC=CC=C1 ZZTCPWRAHWXWCH-UHFFFAOYSA-N 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 229950000688 phenothiazine Drugs 0.000 claims description 2
- 229920000141 poly(maleic anhydride) Polymers 0.000 claims description 2
- 229920005652 polyisobutylene succinic anhydride Polymers 0.000 claims description 2
- HRZFUMHJMZEROT-UHFFFAOYSA-L sodium disulfite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])(=O)=O HRZFUMHJMZEROT-UHFFFAOYSA-L 0.000 claims description 2
- 229940001584 sodium metabisulfite Drugs 0.000 claims description 2
- 235000010262 sodium metabisulphite Nutrition 0.000 claims description 2
- 229910052720 vanadium Inorganic materials 0.000 claims description 2
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 239000011159 matrix material Substances 0.000 abstract description 4
- 239000000654 additive Substances 0.000 abstract description 2
- 239000000314 lubricant Substances 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 16
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- 238000012360 testing method Methods 0.000 description 14
- 239000003208 petroleum Substances 0.000 description 10
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 229920001187 thermosetting polymer Polymers 0.000 description 5
- 239000012752 auxiliary agent Substances 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 208000012839 conversion disease Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000004448 titration Methods 0.000 description 2
- HECLRDQVFMWTQS-UHFFFAOYSA-N Dicyclopentadiene Chemical compound C1C2C3CC=CC3C1C=C2 HECLRDQVFMWTQS-UHFFFAOYSA-N 0.000 description 1
- 238000005698 Diels-Alder reaction Methods 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 238000002481 ethanol extraction Methods 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
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- 239000012086 standard solution Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
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- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 239000012745 toughening agent Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10C—WORKING-UP PITCH, ASPHALT, BITUMEN, TAR; PYROLIGNEOUS ACID
- C10C3/00—Working-up pitch, asphalt, bitumen
- C10C3/02—Working-up pitch, asphalt, bitumen by chemical means reaction
- C10C3/026—Working-up pitch, asphalt, bitumen by chemical means reaction with organic compounds
-
- 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
- C08K3/32—Phosphorus-containing compounds
- C08K2003/329—Phosphorus containing acids
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
Abstract
Description
残炭值/wt% | 27.8 |
碳含量/wt% | 89.13 |
氮含量/wt% | 0.14 |
氢含量/wt% | 7.44 |
硫含量/wt% | 3.13 |
镍、钒总含量/ug/g | 337 |
饱和分/% | 30.17 |
芳香分/% | 28.11 |
胶质/% | 17.73 |
沥青质/% | 23.99 |
缩合指数CI | 0.31 |
胶体不稳定性指数Ic | 1.18 |
25℃针入度/0.1mm | 51 |
针入度指数(五点) | 1.81 |
25℃延度/cm | 62.4 |
软化点/℃ | 57.8 |
闪点/℃ | 253 |
动力粘度(60℃)/Pa.s | 1680 |
25℃针入度/0.1mm | 软化点/℃ | 25℃延度/cm | 转化率,% | |
实施例1 | 29 | 74.1 | 18.4 | 82.57 |
实施例2 | 29 | 76.6 | 19.3 | 85.53 |
实施例3 | 30 | 73.7 | 18.1 | 81.44 |
实施例4 | 24 | 77.9 | 22.4 | 87.61 |
对比例3 | 30 | 71.3 | 6.5 | 72.14 |
对比例4 | 32 | 67.3 | 6.7 | 72.36 |
序号 | 调和物/重量份 | 环氧树脂/重量份 | 所得待测样 |
1 | 实施例1(2)所得物料/100 | E-51双酚A环氧树脂/50 | A1 |
2 | 实施例2(2)所得物料/100 | E-44双酚A环氧树脂/50 | A2 |
3 | 实施例3(2)所得物料/100 | E-51双酚A环氧树脂/50 | A3 |
4 | 实施例4(2)所得物料/100 | E-51双酚A环氧树脂/50 | A4 |
5 | 对比例1(2)所得物料/100 | E-51双酚A环氧树脂/50 | B1 |
6 | 对比例2(2)所得物料/100 | E-51双酚A环氧树脂/50 | B2 |
7 | 对比例3(2)所得物料/100 | E-51双酚A环氧树脂/50 | B3 |
8 | 对比例4(2)所制备/100 | E-51双酚A环氧树脂/50 | B4 |
待测样 | 163℃,4h储存后软化点差/℃ | 163℃,4h储存后120℃粘度比 | 163℃,8h储存后软化点差/℃ | 163℃,8h储存后120℃粘度比 |
A1 | 0.02 | 1.0008 | 0.12 | 1.0071 |
A2 | 0 | 1.0004 | 0.09 | 1.0048 |
A3 | 0.03 | 1.0019 | 0.14 | 1.0094 |
A4 | 0 | 1.0001 | 0 | 1.0014 |
B1 | 5.72 | 1.7381 | 7.71 | 1.8912 |
B2 | 4.45 | 1.5439 | 7.22 | 1.7683 |
B3 | 2.41 | 1.4911 | 3.72 | 1.6629 |
B4 | 2.15 | 1.3019 | 3.43 | 1.5387 |
测试样品 | 拉伸强度(23℃)/MPa | 断裂伸长率(23℃)/% |
A11 | 2.5 | 242 |
A22 | 2.4 | 287 |
A33 | 2.4 | 251 |
A44 | 2.2 | 290 |
B11 | 2.7 | 24 |
B22 | 2.5 | 112 |
B33 | 1.9 | 157 |
B44 | 2.1 | 144 |
Claims (29)
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CN103044932A (zh) * | 2011-10-17 | 2013-04-17 | 中国石油天然气股份有限公司 | 用低沥青质含量的原料制备改性沥青的方法 |
CN107778887A (zh) * | 2016-08-29 | 2018-03-09 | 中国石油化工股份有限公司 | 一种改性沥青及其制备方法 |
CN108610644A (zh) * | 2018-03-22 | 2018-10-02 | 中路高科(北京)公路技术有限公司 | 一种双环戊二烯类聚合物改性沥青及其制备方法 |
CN112210222A (zh) * | 2019-07-10 | 2021-01-12 | 中国石油化工股份有限公司 | 一种道桥用环氧沥青材料及其制备方法 |
CN112210221A (zh) * | 2019-07-10 | 2021-01-12 | 中国石油化工股份有限公司 | 一种环氧沥青材料及其制备方法 |
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2021
- 2021-06-01 CN CN202110606330.5A patent/CN115433466B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103044932A (zh) * | 2011-10-17 | 2013-04-17 | 中国石油天然气股份有限公司 | 用低沥青质含量的原料制备改性沥青的方法 |
CN107778887A (zh) * | 2016-08-29 | 2018-03-09 | 中国石油化工股份有限公司 | 一种改性沥青及其制备方法 |
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