CN106432637A - 一种直投反应型沥青增粘剂及其制备方法 - Google Patents
一种直投反应型沥青增粘剂及其制备方法 Download PDFInfo
- Publication number
- CN106432637A CN106432637A CN201610467710.4A CN201610467710A CN106432637A CN 106432637 A CN106432637 A CN 106432637A CN 201610467710 A CN201610467710 A CN 201610467710A CN 106432637 A CN106432637 A CN 106432637A
- Authority
- CN
- China
- Prior art keywords
- tackifier
- initiator
- response type
- pitch
- type pitch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000010426 asphalt Substances 0.000 title abstract description 36
- 239000003999 initiator Substances 0.000 claims abstract description 30
- 229920001971 elastomer Polymers 0.000 claims abstract description 14
- 239000000178 monomer Substances 0.000 claims abstract description 13
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 12
- 239000000806 elastomer Substances 0.000 claims abstract description 11
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims abstract description 8
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Natural products C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000005469 granulation Methods 0.000 claims abstract 2
- 230000003179 granulation Effects 0.000 claims abstract 2
- 230000003078 antioxidant effect Effects 0.000 claims description 11
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 9
- 229920000642 polymer Polymers 0.000 claims description 9
- 239000003431 cross linking reagent Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- YKTNISGZEGZHIS-UHFFFAOYSA-N 2-$l^{1}-oxidanyloxy-2-methylpropane Chemical group CC(C)(C)O[O] YKTNISGZEGZHIS-UHFFFAOYSA-N 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 5
- AZQWKYJCGOJGHM-UHFFFAOYSA-N 1,4-benzoquinone Chemical compound O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 4
- 239000004615 ingredient Substances 0.000 claims description 4
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 claims description 4
- WVGXBYVKFQJQGN-UHFFFAOYSA-N 1-tert-butylperoxy-2-propan-2-ylbenzene Chemical compound CC(C)C1=CC=CC=C1OOC(C)(C)C WVGXBYVKFQJQGN-UHFFFAOYSA-N 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 3
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims description 2
- 229940005561 1,4-benzoquinone Drugs 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
- 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 2
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims description 2
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 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
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims description 2
- 239000005642 Oleic acid Substances 0.000 claims description 2
- 239000004793 Polystyrene Substances 0.000 claims description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 2
- 235000019400 benzoyl peroxide Nutrition 0.000 claims description 2
- 229920001400 block copolymer Polymers 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims description 2
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 claims description 2
- 239000012948 isocyanate Substances 0.000 claims description 2
- 150000002513 isocyanates Chemical class 0.000 claims description 2
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims description 2
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims description 2
- 238000005453 pelletization Methods 0.000 claims description 2
- 150000002989 phenols Chemical class 0.000 claims description 2
- 150000008301 phosphite esters Chemical class 0.000 claims description 2
- 229920002223 polystyrene Polymers 0.000 claims description 2
- -1 resin acid acid amides Chemical class 0.000 claims description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims 6
- HVLLSGMXQDNUAL-UHFFFAOYSA-N triphenyl phosphite Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)OC1=CC=CC=C1 HVLLSGMXQDNUAL-UHFFFAOYSA-N 0.000 claims 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims 1
- 150000008065 acid anhydrides Chemical class 0.000 claims 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 claims 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical class C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims 1
- 229920000638 styrene acrylonitrile Polymers 0.000 claims 1
- 239000011145 styrene acrylonitrile resin Substances 0.000 claims 1
- 229920002554 vinyl polymer Polymers 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 7
- 238000007086 side reaction Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000977 initiatory effect Effects 0.000 abstract description 2
- 229920001577 copolymer Polymers 0.000 abstract 1
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 238000001879 gelation Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000000155 melt Substances 0.000 abstract 1
- 230000009257 reactivity Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 239000003607 modifier Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000035515 penetration Effects 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 239000005060 rubber Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- OKIRBHVFJGXOIS-UHFFFAOYSA-N 1,2-di(propan-2-yl)benzene Chemical compound CC(C)C1=CC=CC=C1C(C)C OKIRBHVFJGXOIS-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- WXQDFOGZIYLEGP-UHFFFAOYSA-N C(C(C)C)#N.C(C(C)C)#N.[N] Chemical compound C(C(C)C)#N.C(C(C)C)#N.[N] WXQDFOGZIYLEGP-UHFFFAOYSA-N 0.000 description 1
- GHKOFFNLGXMVNJ-UHFFFAOYSA-N Didodecyl thiobispropanoate Chemical compound CCCCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCCCC GHKOFFNLGXMVNJ-UHFFFAOYSA-N 0.000 description 1
- 239000003508 Dilauryl thiodipropionate Substances 0.000 description 1
- 206010024769 Local reaction Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 150000001993 dienes Chemical class 0.000 description 1
- 235000019304 dilauryl thiodipropionate Nutrition 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical group O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000002530 phenolic antioxidant Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F257/00—Macromolecular compounds obtained by polymerising monomers on to polymers of aromatic monomers as defined in group C08F12/00
- C08F257/02—Macromolecular compounds obtained by polymerising monomers on to polymers of aromatic monomers as defined in group C08F12/00 on to polymers of styrene or alkyl-substituted styrenes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/44—Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F287/00—Macromolecular compounds obtained by polymerising monomers on to block polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F4/00—Polymerisation catalysts
- C08F4/04—Azo-compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F4/00—Polymerisation catalysts
- C08F4/28—Oxygen or compounds releasing free oxygen
- C08F4/32—Organic compounds
- C08F4/34—Per-compounds with one peroxy-radical
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F4/00—Polymerisation catalysts
- C08F4/28—Oxygen or compounds releasing free oxygen
- C08F4/32—Organic compounds
- C08F4/36—Per-compounds with more than one peroxy radical
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F4/00—Polymerisation catalysts
- C08F4/28—Oxygen or compounds releasing free oxygen
- C08F4/32—Organic compounds
- C08F4/38—Mixtures of peroxy-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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
- C08K5/134—Phenols containing ester groups
- C08K5/1345—Carboxylic esters of phenolcarboxylic 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
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
- C08K5/526—Esters of phosphorous acids, e.g. of H3PO3 with hydroxyaryl compounds
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Landscapes
- Chemical & Material Sciences (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Road Paving Structures (AREA)
Abstract
本发明涉及一种直投反应型沥青增粘剂及其制备方法,由以下重量百分数的组分制备得到:苯乙烯共聚物 35‑75%、弹性体 10‑40%、功能性单体1‑10%、引发剂0.1‑10%、抗氧剂0.1‑3%、抗交联剂0.1‑3%。在室温下进行混合后,在双螺杆挤出机上进行熔融接枝反应,再挤出造粒,即可得到一种高效的直投反应型沥青增粘剂。与现有技术相比,本发明通过复配的引发体系及多段喂料方式,获得了高反应性,并解决了单体残留量高,凝胶现象严重的问题,减少了副反应产生,有利于提高生产效率;可有效提高沥青、SBS以及石料之间的相容性与混合稳定性;能够解决当前集料与沥青粘结力差、路面抗滑性、耐磨性差等问题。
Description
技术领域
本发明属于高分子领域,具体涉及一种直投反应型沥青增粘剂及其制备方法。
技术背景
随着高等级公路的大量兴建,车辆行驶速度大幅提高,道路的安全、环保性能受到广泛关注,近年来,一种新型环保路面—排水性沥青路面逐渐兴起。排水性沥青路面是指能够在混合料内部形成排水通道的多孔性沥青混凝土面层,雨水可以渗入路面之中,并由路面中的连通空隙向路面边缘排走,这样雨天道路表面不存在很厚的水膜,避免产生水飘、溅水和水雾,同时,这种多孔性路面还具有降低噪声、防眩光以及在炎热的夏季调节路面温度等功能,从而既能有效保证行车安全,又利于环保。发达国家出于安全及环保目的,已普遍在高速公路和城市道路中使用排水性沥青路面,德国等欧洲国家60%的高速公路铺装了排水性沥青路面。日本70%的高速公路都使用排水性沥青路面。近年,国内一些城市陆续铺设了排水性路面试验路。
但是,排水性沥青路面的多孔性构造使得路面强度低,沥青易老化、耐久性差,特别是我国尘土污染比较严重,孔隙容易被堵塞,养护比较困难。根据国外理论研究和实际使用经验,防止孔隙堵塞的有效办法是提高空隙率,但路面空隙率愈大,石料间结合愈差,路面强度愈低,对沥青胶接料的要求也愈高。国外排水性路面的初始空隙率一般为20~25%,我国由于运输车辆超载现象严重,为了兼顾路面强度,排水性路面的初始空隙率仅为18~20%。因此,要解决排水性路面空隙率与路面强度这一对矛盾,需要使用高性能的沥青胶接料。目前市面上常用的沥青材料在车辆荷载和自然环境综合作用下,容易出现抗滑能力下降、松散、剥落、坑槽等水损害病害,以及水平剪切力的作用下产生由上而下型表面裂缝等破坏。这就需要更高性能的沥青原料。
目前国内有使用日本TPS高粘度沥青改性剂,TPS国内价格在50,000元/吨以上,是普通SBS改性剂的近3倍,TPS掺量要达到15%左右,使用TPS修建排水性沥青路面,造价要比普通路面高35%以上,大大制约了排水性沥青路面的推广。目前常规使用的方法是采用SBS(苯乙烯-丁二烯-苯乙烯嵌段共聚物)作为改性剂对现有沥青进行改性。传统高粘度沥青专用改性剂一般是以星型、高分子量SBS为主,并添加相容剂、稳定剂、抗氧剂以及粘接性树脂、无机填料等组分,改性剂配方中SBS仅占50%左右。对于高粘度沥青,SBS含量要达到7%左右才能保证性能指标,因而需要较高的改性剂掺量。但是,SBS与沥青的相容性较差,而且与线型、低分子量SBS相比,星型和高分子量SBS更加难以在沥青中稳定分散,特别是针对高粘度改性沥青,SBS添加量较高,极易发生相分离和相反转。因此,高粘度改性沥青不能简单地采用基质沥青与SBS及稳定剂经高剪切加工这种传统方法制备。
发明内容
本发明的目的在于提供一种直投反应型沥青增粘剂及其制备方法,利用独特化学定向反应技术,开发了一种便于使用的、直投型的功能性高粘度沥青改性剂。
本发明的直投反应型沥青增粘剂是在高分子分子链上接枝功能化单体,通过功能性单体与沥青的反应,使沥青生成适度交联网状结构,制备高粘度沥青,可提高沥青的物理、化学特性,改进传统沥青针入度、软化点、延度及粘度等性能;同时本发明的改性剂还可有效提高沥青、SBS以及石料之间的相容性与混合稳定性;能够解决当前集料与沥青粘结力差、路面抗滑性、耐磨性差等问题。
本发明的目的可以通过以下措施来达到:
一种直投反应型沥青增粘剂,由以下重量百分数的组分制备得到:
苯乙烯类聚合物 35-75%
弹性体 10-40%
功能性单体1-10%
引发剂0.1-10%
抗氧剂0.1-3%
抗交联剂0.1-3%。
上述技术方案中,所述的苯乙烯类聚合物包括聚苯乙烯、苯乙烯-丙烯腈共聚物、苯乙烯-丙烯腈-丁二烯共聚物、苯乙烯-丁二烯共聚物中的一种或几种,可以是单一的也可以是混合的。
上述技术方案中,所述的弹性体包括苯乙烯-丁二烯嵌段共聚物、氢化苯乙烯-丁二烯嵌段共聚物,分子量从50000-200000,可以是一种或几种的混合物。分子量过高加工困难,而且容易产生交联等副反应,对延度有不利影响。分子量过低,对针入度及软化点性能有不利影响。本发明的弹性体可以与苯乙烯类聚合物反应,用于沥青改性时,增加沥青的弹性以及力学性能。
上述技术方案中,所述的功能性单体为马来酸酐、甲基丙烯酸缩水甘油酯、丙烯酸、异氰酸酯中的一种或几种。
上述技术方案中,所述的引发剂由A引发剂、B引发剂组成,所述A引发剂、B引发剂的质量比例为1:(0.25~4);所述A引发剂、B引发剂独立的选自过氧化二异丙苯、过氧化二苯甲酰、2,5-二甲基-2,5-双(叔丁过氧基)己烷、2,5-二甲基-2,5-双(叔丁过氧基)己炔、偶氮二异丁腈或双叔丁过氧异丙基苯;所述A引发剂、B引发剂不同。本发明的引发剂是一种复配体系,由在不同温度下具有近似引发效率的引发剂组成,比例从1:4到4:1,可以是过氧化二异丙苯、过氧化二苯甲酰、2,5-二甲基-2,5-双(叔丁过氧基)己烷、2,5-二甲基-2,5-双(叔丁过氧基)己炔、偶氮二异丁腈或双叔丁过氧异丙基苯中两种的复配物。本发明限定的引发剂比例,在反应过程中利于控制,避免发生局部反应过量、引发剂分解过快或者过慢的问题,从而克服了现有技术中交联或者接枝率不够、影响与沥青的反应程度、影响软化点或针入度等性能的缺陷。
上述技术方案中,所述的抗交联剂可以是硬脂酸酰胺、对苯醌、油酸、亚磷酸三苯酯、四氯化碳、苯乙烯、硫代二丙酸二月桂酯中的一种或几种。
上述技术方案中,所述的抗氧剂为一种受阻酚类抗氧剂与亚磷酸酯类抗氧剂的复配体系,比如质量比为1的1010/168。
本发明还公开了直投反应型沥青增粘剂的制备方法,将组分放入高混机中混合3-5分钟,得到混合物;然后混合物用双螺杆挤出机挤出造粒,得到直投反应型沥青增粘剂。优选的,首先将苯乙烯类聚合物、弹性体、抗交联剂放入高混机混合3-5分钟,出料,得到主料;然后用螺杆挤出机造粒时,主料采用首喂料方式喂入,功能性单体采用侧喂料方式喂入,引发剂采用分段侧喂料方式喂入,抗氧剂采用末端侧喂料方式喂入。分部喂料是为了更好地控制反应过程的平稳性,从而提高接枝率而降低交联或降解等副反应。所述双螺杆挤出机的螺杆长径比不小于48,也可以采用多阶挤出的方式造粒;所述双螺杆挤出机加工温度在80-210℃,螺杆转数在180-600转/分。螺杆转速过快,停留时间缩短,反应时间不够,从而易造成接枝率不够而影响沥青的软化点,螺杆转速过慢,停留时间过长,弹性体容易发生交联副反应,从而造成塑化困难,影响沥青延度等性能。
本发明还公开了采用上述配方及加工方法制得直投反应型沥青增粘剂在沥青增粘扩链等中的应用,可有效提高沥青、SBS以及石料之间的相容性与混合稳定性。能够解决当前集料与沥青粘结力差、路面抗滑性、耐磨性差等问题。复配的引发体系提高了接枝效率,侧喂料方式缩短了引发剂在双螺杆挤出机中的时间分布宽度,以及合适的抗交联剂的选择都为控制凝胶含量打下了基础,多段定向喂入引发剂,进一步提高了接枝效率,并消耗了残留的引发剂,降低了单体的残留量。本发明很好的解决了接枝高接枝率与低残留、低凝胶量相互竞争的缺点,制备了一种直投反应型沥青增粘剂。
本发明利用独特化学定向聚合反应技术,开发了一种便于使用的,直投型的功能性高粘度沥青改性剂。在高分子分子链上接枝功能化单体,通过功能性单体与沥青的反应,使沥青生成适度交联网状结构,制备高粘度沥青,可提高沥青的物理、化学特性,改进传统沥青针入度、软化点、延度及粘度等性能;同时该改性剂还可有效提高沥青、SBS以及石料之间的相容性与混合稳定性,能够解决当前集料与沥青粘结力差、路面抗滑性、耐磨性差等问题。利用本发明的改性剂改性沥青后的软化点达到88,60℃粘度达到3.2×104Pa.s,符合高粘度沥青的最高使用要求。
具体实施方式
下面结合实施例对本发明作进一步详细说明:
实施例1-7:
按照表1 的配方配比,将苯乙烯、弹性体、抗交联剂按比例放入高混机中混合3-5分钟,出料,加入第一喂料口,功能单体通过侧喂料从第二喂料口喂入,引发剂采用侧喂料方式分别于第三,第四喂料口喂入,然后于末端第五喂料口喂入酚类抗氧剂,用双螺杆挤出机挤出,加工温度在80-200℃;实施例1-7的螺杆转数分别为200转/分、580转/分、450转/分、450转/分、180转/分、550转/分、450转/分;得到的产品为样品1-7。
对比例1-5:
按照表1 的配方配比以及制备工艺,得到对比例1-5的产品,对应样品8-12。
表1 实施例1-5配比列表(wt%)
表2 对比例1-5配方列表
改性沥青采用70#基质沥青,沥青加热完全溶化至液态,控制温度在 180 ℃左右时加入橡胶粉以及样品1-12,橡胶粉的粒径要求不大于 40 目,直至橡胶粉完全溶化制备改性沥青样品1-15,具体配方见表3。
表3 改性沥青配方表(wt%)
表4 改性沥青样品物性实施
日本高粘度沥青的软化点要求80℃以上,60℃粘度大于2.0×104Pa.s,综观国外大量的研究,近几年排水性路面所用的沥青,总的向采用高粘度沥青方向发展,其中以日本所提出的技术标准更为合理。根据表4的性能测试结果,本发明研究的一种直投型高粘度沥青改性剂当添加于70#基质沥青时(如沥青材料4)软化点达到88℃,通过测试,60℃粘度,达到3.2×104Pa.s,符合日本高粘度沥青使用要求。
上述实施例仅说明本发明一种直投型高粘度沥青改性剂及其制备方法,但它们不会限制本发明的保护范围。根据本发明的精神和思想对其所作的任何修改和变化,都是在本发明专利要求书要求保护的范围之内。
Claims (10)
1.一种直投反应型沥青增粘剂,其特征在于,所述直投反应型沥青增粘剂由以下重量百分数的组分制备得到:
苯乙烯类聚合物 35-75%
弹性体 10-40%
功能性单体1-10%
引发剂0.1-10%
抗氧剂0.1-3%
抗交联剂0.1-3%。
2.根据权利要求1所述的直投反应型沥青增粘剂,其特征在于:所述的苯乙烯类聚合物包括聚苯乙烯、苯乙烯-丙烯腈共聚物、苯乙烯-丙烯腈-丁二烯共聚物、苯乙烯-丁二烯共聚物中的一种或几种。
3.根据权利要求1所述的直投反应型沥青增粘剂,其特征在于:所述的弹性体包括苯乙烯-丁二烯嵌段共聚物、氢化苯乙烯-丁二烯嵌段共聚物;所述弹性体的分子量为50000~200000。
4.根据权利要求1所述的直投反应型沥青增粘剂,其特征在于:所述的功能性单体为马来酸酐、甲基丙烯酸缩水甘油酯、丙烯酸、异氰酸酯中的一种或几种。
5.根据权利要求1所述的直投反应型沥青增粘剂,其特征在于:所述的引发剂由A引发剂、B引发剂组成,所述A引发剂、B引发剂的质量比例为1:(0.25~4);所述A引发剂、B引发剂独立的选自过氧化二异丙苯、过氧化二苯甲酰、2,5-二甲基-2,5-双(叔丁过氧基)己烷、2,5-二甲基-2,5-双(叔丁过氧基)己炔、偶氮二异丁腈或双叔丁过氧异丙基苯;所述A引发剂、B引发剂不同。
6.根据权利要求1所述的直投反应型沥青增粘剂, 其特征在于:所述的抗交联剂为硬脂酸酰胺、对苯醌、油酸、亚磷酸三苯酯、四氯化碳、苯乙烯中的一种或几种;所述的抗氧剂为受阻酚类抗氧剂与亚磷酸酯类抗氧剂的复配体系。
7.权利要求1所述的直投反应型沥青增粘剂在沥青增粘扩链中的应用。
8.权利要求1所述的直投反应型沥青增粘剂的制备方法,包括以下步骤,将组分放入高混机中混合3-5分钟,出料,得到混合物;然后混合物用双螺杆挤出机挤出造粒,得到直投反应型沥青增粘剂。
9.根据权利要求8所述的直投反应型沥青增粘剂的制备方法,其特征在于:首先将苯乙烯类聚合物、弹性体、抗交联剂放入高混机混合3-5分钟,出料,得到主料;然后用螺杆挤出机造粒时,主料采用首喂料方式喂入,功能性单体采用侧喂料方式喂入,引发剂采用分段侧喂料方式喂入,抗氧剂采用末端侧喂料方式喂入。
10.根据权利要求8所述的直投反应型沥青增粘剂的制备方法,其特征在于:所述双螺杆挤出机的螺杆长径比不小于48;所述双螺杆挤出机加工温度为80-210℃,螺杆转数为180-600转/分。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811174995.8A CN109456453B (zh) | 2016-06-24 | 2016-06-24 | 一种直投反应型沥青增粘剂的制备方法 |
CN201610467710.4A CN106432637A (zh) | 2016-06-24 | 2016-06-24 | 一种直投反应型沥青增粘剂及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610467710.4A CN106432637A (zh) | 2016-06-24 | 2016-06-24 | 一种直投反应型沥青增粘剂及其制备方法 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811174995.8A Division CN109456453B (zh) | 2016-06-24 | 2016-06-24 | 一种直投反应型沥青增粘剂的制备方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106432637A true CN106432637A (zh) | 2017-02-22 |
Family
ID=58183669
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610467710.4A Pending CN106432637A (zh) | 2016-06-24 | 2016-06-24 | 一种直投反应型沥青增粘剂及其制备方法 |
CN201811174995.8A Active CN109456453B (zh) | 2016-06-24 | 2016-06-24 | 一种直投反应型沥青增粘剂的制备方法 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811174995.8A Active CN109456453B (zh) | 2016-06-24 | 2016-06-24 | 一种直投反应型沥青增粘剂的制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (2) | CN106432637A (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113061346A (zh) * | 2021-03-25 | 2021-07-02 | 苏州诗睿笛新材料有限公司 | 一种改性沥青防水卷材的耐高温弹性体及其制备方法 |
CN115637053A (zh) * | 2022-09-02 | 2023-01-24 | 四川东方雨虹建筑材料有限公司 | 一种sbs改性沥青快速制备方法 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110982284A (zh) * | 2019-11-11 | 2020-04-10 | 同济大学 | 一种抗老化sebs改性沥青及其制备方法 |
CN113088095B (zh) * | 2021-03-10 | 2022-11-01 | 湖北工业大学 | 低温成型聚合物改性沥青及其制备方法 |
CN113265155A (zh) * | 2021-05-29 | 2021-08-17 | 山东鑫中和新材料科技有限公司 | 一种沥青增粘剂及其制备方法 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5288773A (en) * | 1992-03-05 | 1994-02-22 | Exxon Research And Engineering Company | Sulfonated unhydrogenated copolymers of styrene and butadiene |
CN1365986A (zh) * | 2001-01-19 | 2002-08-28 | 巴陵石化岳阳石油化工总厂 | 一种提高sbs与沥青相容稳定性的方法 |
CN1923901A (zh) * | 2006-08-10 | 2007-03-07 | 大连海事大学 | 端羧基苯乙烯/丁二烯共聚物的合成及其制备贮存稳定的改性沥青的方法 |
CN101104740A (zh) * | 2007-08-15 | 2008-01-16 | 中国海洋石油总公司 | 聚合物改性沥青及其生产方法 |
CN101104741A (zh) * | 2007-08-15 | 2008-01-16 | 中国海洋石油总公司 | 一种聚合物改性沥青及其生产方法 |
CN101967216A (zh) * | 2010-09-29 | 2011-02-09 | 深圳市科聚新材料有限公司 | 一种abs熔融接枝马来酸酐及其制备方法 |
CN102311606A (zh) * | 2010-09-29 | 2012-01-11 | 深圳市科聚新材料有限公司 | 一种低气味sebs熔融接枝马来酸酐及其制备方法 |
CN104672393A (zh) * | 2015-01-23 | 2015-06-03 | 南开大学 | 一种沥青改性用废轮胎胶粉的表面接枝改性工艺 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2017127A1 (zh) * | 1968-08-31 | 1970-05-15 | Basf Ag | |
JPS52111918A (en) * | 1976-03-16 | 1977-09-20 | Nichireki Chem Ind Co | Sealing material |
CN1312216C (zh) * | 2005-01-12 | 2007-04-25 | 上海浦东路桥建设股份有限公司 | 一种高粘度沥青改性剂及其制备方法 |
KR100951466B1 (ko) * | 2008-12-12 | 2010-04-07 | 한국건설기술연구원 | 중온 아스팔트 첨가제 조성물과 그 첨가제의 제조방법, 그리고 그 제조방법으로 제조된 첨가제를 이용한 중온 아스팔트 혼합물의 생산방법 |
KR100903561B1 (ko) * | 2009-03-24 | 2009-06-23 | (주)에이알앤씨 | 플랜트 믹스형 에스비에스 개질 역청 혼합물 및 그 제조방법 |
KR100982734B1 (ko) * | 2009-11-26 | 2010-09-16 | 주식회사 화신 | 수성 아스팔트계 균열 보수제를 이용한 시공방법 |
KR101688504B1 (ko) * | 2014-07-15 | 2016-12-22 | 금호석유화학 주식회사 | 개질 아스팔트용 첨가제 조성물, 이를 포함하는 개질 아스팔트 조성물, 및 그 제조 방법 |
CN104672744A (zh) * | 2015-01-16 | 2015-06-03 | 北京中路铺面技术有限公司 | 一种直投式速溶型sbs改性剂及其制备方法和应用 |
-
2016
- 2016-06-24 CN CN201610467710.4A patent/CN106432637A/zh active Pending
- 2016-06-24 CN CN201811174995.8A patent/CN109456453B/zh active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5288773A (en) * | 1992-03-05 | 1994-02-22 | Exxon Research And Engineering Company | Sulfonated unhydrogenated copolymers of styrene and butadiene |
CN1365986A (zh) * | 2001-01-19 | 2002-08-28 | 巴陵石化岳阳石油化工总厂 | 一种提高sbs与沥青相容稳定性的方法 |
CN1923901A (zh) * | 2006-08-10 | 2007-03-07 | 大连海事大学 | 端羧基苯乙烯/丁二烯共聚物的合成及其制备贮存稳定的改性沥青的方法 |
CN101104740A (zh) * | 2007-08-15 | 2008-01-16 | 中国海洋石油总公司 | 聚合物改性沥青及其生产方法 |
CN101104741A (zh) * | 2007-08-15 | 2008-01-16 | 中国海洋石油总公司 | 一种聚合物改性沥青及其生产方法 |
CN101967216A (zh) * | 2010-09-29 | 2011-02-09 | 深圳市科聚新材料有限公司 | 一种abs熔融接枝马来酸酐及其制备方法 |
CN102311606A (zh) * | 2010-09-29 | 2012-01-11 | 深圳市科聚新材料有限公司 | 一种低气味sebs熔融接枝马来酸酐及其制备方法 |
CN104672393A (zh) * | 2015-01-23 | 2015-06-03 | 南开大学 | 一种沥青改性用废轮胎胶粉的表面接枝改性工艺 |
Non-Patent Citations (9)
Title |
---|
FU HAIYING,等: "Storage stability and compatibility of asphalt binder modified by SBS graft copolymer", 《CONSTRUCTION AND BUILDING MATERIALS 》 * |
周研,等: "接枝SBS 对改性沥青稳定性的影响及机理研究", 《中外公路》 * |
工业部科学技术情报研究所著: "《化工产品手册 有机化工原料 上册》", 31 January 1995, 化学工业出版社 * |
戚远慧,等: "基丙烯酸缩水甘油酯熔融接枝K树脂", 《合成树脂及塑料》 * |
李良波,等: "丙烯酸接枝改性PS沥青防水涂料", 《涂料工业》 * |
杨鸣波,等主编: "《塑料成型工艺学》", 30 June 2014, 中国轻工业出版社 * |
王强: "《端基官能化SBS的合成及其在改性沥青中的应用》", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑 》 * |
程军主编: "《通用塑料手册》", 31 May 2007, 国防出版社 * |
雒应,等主编: "《新编道路施工工程师手册》", 31 January 2016 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113061346A (zh) * | 2021-03-25 | 2021-07-02 | 苏州诗睿笛新材料有限公司 | 一种改性沥青防水卷材的耐高温弹性体及其制备方法 |
CN115637053A (zh) * | 2022-09-02 | 2023-01-24 | 四川东方雨虹建筑材料有限公司 | 一种sbs改性沥青快速制备方法 |
CN115637053B (zh) * | 2022-09-02 | 2023-09-15 | 四川东方雨虹建筑材料有限公司 | 一种sbs改性沥青快速制备方法 |
Also Published As
Publication number | Publication date |
---|---|
CN109456453A (zh) | 2019-03-12 |
CN109456453B (zh) | 2021-02-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106432637A (zh) | 一种直投反应型沥青增粘剂及其制备方法 | |
CN110041720A (zh) | 一种高粘改性沥青材料及其制备方法 | |
CN1312216C (zh) | 一种高粘度沥青改性剂及其制备方法 | |
CN101891964B (zh) | 一种彩色铺面用胶结料及其制造方法 | |
CN101921419B (zh) | 一种沥青混合料高模量改性剂组合物及其制备方法 | |
CN104710804A (zh) | 一种sbs改性沥青及其制备方法 | |
CN107722648A (zh) | 一种高粘高弹改性沥青及其制备和应用 | |
CN104830076B (zh) | 一种废橡胶裂解转化改性沥青的制备方法 | |
CN102942793B (zh) | 一种高模量的沥青改性剂、其制备方法及其应用 | |
CN104194366A (zh) | 一种耐低温型高模量沥青改性剂及其制备方法 | |
CN102093727A (zh) | 一种自粘式压缝带及其制备方法 | |
CN109385106A (zh) | 一种低粘高性能改性沥青及其制备方法 | |
CN101456700B (zh) | 制备复合改性橡胶沥青混合料的方法 | |
CN108264721A (zh) | 高粘沥青改性剂的制备方法及含有所述改性剂的改性沥青和沥青混合料 | |
CN110922775A (zh) | 基于环保橡胶粉的布敦岩沥青改性剂及其制备方法和应用 | |
CN102993757B (zh) | 一种稳定型复合改性沥青的制备方法 | |
CN103289420A (zh) | 一种沥青混合料外掺式改性剂 | |
CN107880575A (zh) | 一种增粘增韧沥青改性剂的制备方法 | |
CN109294255A (zh) | 一种高粘高弹改性沥青及其制备方法 | |
CN104710134A (zh) | 一种储存稳定、耐老化的复合sbs粒子改性沥青混凝土及其制备方法 | |
CN105820391A (zh) | 一种高粘沥青改性剂、制备方法及改性沥青的制备方法 | |
CN103360774A (zh) | 一种沥青化橡胶改性沥青及制备方法 | |
CN106519718A (zh) | 一种高模量沥青添加剂 | |
CN104327524A (zh) | 一种温拌型抗水损沥青路面增强剂及其制备方法 | |
CN107227031A (zh) | 纳米复合沥青改性剂及其制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20180929 Address after: 201306 C, 888, west two road, Nanhui new town, Pudong New Area, Shanghai Applicant after: Shanghai Tong Hui Technology Development Co., Ltd. Address before: 201100 688 spring West Road, Minhang District, Shanghai Applicant before: Tu Shuguang |
|
TA01 | Transfer of patent application right | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170222 |
|
RJ01 | Rejection of invention patent application after publication |