KR101310250B1 - 스티렌계 블록 공중합체와 식물성 왁스를 함유한 개질 아스팔트 조성물 - Google Patents
스티렌계 블록 공중합체와 식물성 왁스를 함유한 개질 아스팔트 조성물 Download PDFInfo
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- KR101310250B1 KR101310250B1 KR1020110119871A KR20110119871A KR101310250B1 KR 101310250 B1 KR101310250 B1 KR 101310250B1 KR 1020110119871 A KR1020110119871 A KR 1020110119871A KR 20110119871 A KR20110119871 A KR 20110119871A KR 101310250 B1 KR101310250 B1 KR 101310250B1
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- Prior art keywords
- block copolymer
- asphalt
- styrene
- wax
- weight
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- 239000010426 asphalt Substances 0.000 title claims abstract description 112
- 239000000203 mixture Substances 0.000 title claims abstract description 53
- 239000012178 vegetable wax Substances 0.000 title claims abstract description 36
- 229920006132 styrene block copolymer Polymers 0.000 title claims abstract description 28
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims abstract description 72
- 229920001400 block copolymer Polymers 0.000 claims abstract description 39
- 239000000178 monomer Substances 0.000 claims description 25
- 229920002554 vinyl polymer Polymers 0.000 claims description 20
- 239000004203 carnauba wax Substances 0.000 claims description 17
- 150000001993 dienes Chemical class 0.000 claims description 11
- 238000002844 melting Methods 0.000 claims description 10
- 230000008018 melting Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 8
- 239000007822 coupling agent Substances 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- NVZWEEGUWXZOKI-UHFFFAOYSA-N 1-ethenyl-2-methylbenzene Chemical compound CC1=CC=CC=C1C=C NVZWEEGUWXZOKI-UHFFFAOYSA-N 0.000 claims description 3
- QEDJMOONZLUIMC-UHFFFAOYSA-N 1-tert-butyl-4-ethenylbenzene Chemical compound CC(C)(C)C1=CC=C(C=C)C=C1 QEDJMOONZLUIMC-UHFFFAOYSA-N 0.000 claims description 3
- JLBJTVDPSNHSKJ-UHFFFAOYSA-N 4-Methylstyrene Chemical compound CC1=CC=C(C=C)C=C1 JLBJTVDPSNHSKJ-UHFFFAOYSA-N 0.000 claims description 3
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 claims description 3
- 239000003607 modifier Substances 0.000 abstract description 38
- 238000005336 cracking Methods 0.000 abstract description 9
- 238000010276 construction Methods 0.000 abstract description 5
- 238000006116 polymerization reaction Methods 0.000 description 28
- 239000001993 wax Substances 0.000 description 24
- 229920000642 polymer Polymers 0.000 description 23
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 22
- 238000004519 manufacturing process Methods 0.000 description 20
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 16
- -1 polyethylene, ethylene vinyl acetate Polymers 0.000 description 15
- 230000000704 physical effect Effects 0.000 description 14
- 238000002360 preparation method Methods 0.000 description 13
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 12
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 12
- 230000000694 effects Effects 0.000 description 11
- 239000004698 Polyethylene Substances 0.000 description 10
- 229920000573 polyethylene Polymers 0.000 description 10
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical group [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 8
- 239000004793 Polystyrene Substances 0.000 description 7
- 229920002223 polystyrene Polymers 0.000 description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical group [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 239000003963 antioxidant agent Substances 0.000 description 4
- 230000003078 antioxidant effect Effects 0.000 description 4
- 229910052786 argon Inorganic materials 0.000 description 4
- FACXGONDLDSNOE-UHFFFAOYSA-N buta-1,3-diene;styrene Chemical compound C=CC=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 FACXGONDLDSNOE-UHFFFAOYSA-N 0.000 description 4
- 239000003999 initiator Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000003208 petroleum Substances 0.000 description 3
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- LIKFHECYJZWXFJ-UHFFFAOYSA-N dimethyldichlorosilane Chemical compound C[Si](C)(Cl)Cl LIKFHECYJZWXFJ-UHFFFAOYSA-N 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000013365 molecular weight analysis method Methods 0.000 description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 229920001897 terpolymer Polymers 0.000 description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- QPFMBZIOSGYJDE-QDNHWIQGSA-N 1,1,2,2-tetrachlorethane-d2 Chemical compound [2H]C(Cl)(Cl)C([2H])(Cl)Cl QPFMBZIOSGYJDE-QDNHWIQGSA-N 0.000 description 1
- 235000013162 Cocos nucifera Nutrition 0.000 description 1
- 244000060011 Cocos nucifera Species 0.000 description 1
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000010539 anionic addition polymerization reaction Methods 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 125000002897 diene group Chemical group 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 230000006355 external stress Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004128 high performance liquid chromatography Methods 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 235000003441 saturated fatty acids Nutrition 0.000 description 1
- 150000004671 saturated fatty acids Chemical class 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 235000021122 unsaturated fatty acids Nutrition 0.000 description 1
- 150000004670 unsaturated fatty acids Chemical class 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
- F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
-
- 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
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
- C08L25/08—Copolymers of styrene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L53/02—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
- C08L91/06—Waxes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
- F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
- F16D3/224—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts the groove centre-lines in each coupling part lying on a sphere
- F16D3/2245—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts the groove centre-lines in each coupling part lying on a sphere where the groove centres are offset from the joint centre
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
- F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
- F16D2003/22309—Details of grooves
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S464/00—Rotary shafts, gudgeons, housings, and flexible couplings for rotary shafts
- Y10S464/904—Homokinetic coupling
- Y10S464/906—Torque transmitted via radially spaced balls
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Structural Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Civil Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Rolling Contact Bearings (AREA)
Abstract
Description
구 분 | 스티렌 함량1) (중량%) |
비닐 함량2) (mol%) |
블록율3) (%) |
커플링율4) (중량%) |
중량평균분자량 (Mw) |
제조예 1 | 30.8 | 40.1 | 96 | - | 93,000 |
제조예 2 | 30.8 | 40.1 | 96 | - | 93,000 |
제조예 3 | 30.5 | 41.1 | 99 | 91.1 | 94,000 |
제조예 4 | 31.0 | 13.5 | 98 | 87.5 | 95,000 |
1) 스티렌 함량: 블록 공중합체를 기준으로 한 스티렌의 함량 2) 비닐 함량: 부타디엔 블록을 기준으로 한 비닐의 함량 3) 블록율: 총 스티렌계 단량체에 대한 블록으로 존재하는 스티렌계 단량체의 백분율 4) 커플링율: [커플링 된 공중합체의 중량/전체 블록 공중합체의 중량]*100 |
구 분 | 개질 아스팔트 조성물(중량부) | ||
아스팔트 | 스티렌계 블록 공중합체 | 팜 왁스 | |
실시예 1 | 100 | 4.3 (제조예 1) | 2 |
실시예 2 | 100 | 6.3 (제조예 2*) | |
실시예 3 | 100 | 4.3 (제조예 3) | 2 |
실시예 4 | 100 | 4.3 (제조예 4) | 2 |
실시예 5 | 100 | 4.3 (제조예 1) | 4 |
실시예 6 | 100 | 4.3 (제조예 3) | 4 |
실시예 7 | 100 | 4.3 (제조예 4) | 4 |
비교예 1 | 100 | 4.3 (제조예 1) | 0 |
비교예 2 | 100 | 4.3 (제조예 3) | 0 |
비교예 3 | 100 | 4.3 (제조예 4) | 0 |
비교예 4 | 100 | 0 | 2 |
* 제조예 2의 공중합체: 스티렌계 블록 공중합체 4.3 중량부에 팜 왁스 2 중량부가 포함되어 있음 |
구 분 | 조성물의 물성 | |||||
연화점 | 신도(cm) | 점도 | ||||
박막가열 전 | 박막가열 후 | 110℃ | 130℃ | 160℃ | ||
실시예 1 | 80.8 | 47.3 | 15.7 | 3600 | 1100 | 347 |
실시예 2 | 81.5 | 46.9 | 15.8 | 3455 | 1083 | 321 |
실시예 3 | 80.1 | 43.5 | 13.9 | 3345 | 1066 | 315 |
실시예 4 | 79.7 | 45.4 | 17.3 | 4766 | 1265 | 443 |
실시예 5 | 75.5 | 50.4 | 17.1 | 3285 | 1024 | 325 |
실시예 6 | 74.4 | 48.3 | 16.2 | 3218 | 993 | 301 |
실시예 7 | 72.1 | 51.4 | 18.2 | 4380 | 1256 | 421 |
비교예 1 | 81.5 | 25.6 | 12.1 | 4425 | 1325 | 447 |
비교예 2 | 80.1 | 24.2 | 11.4 | 4235 | 1301 | 438 |
비교예 3 | 79.7 | 27.0 | 12.4 | 5090 | 1445 | 470 |
비교예 4 | 42.1 | 98 | 22.9 | 890 | 434 | 169 |
Claims (10)
- a) 아스팔트;
b) 하기 화학식 1 또는 화학식 2로 표시되는 스티렌계 블록 공중합체; 및
c) 식물성 왁스;
를 포함하는 것을 특징으로 하는 개질 아스팔트 조성물 :
[화학식 1]
(A-B)nX
[화학식 2]
A-B-A
상기 화학식 1 또는 2에서, A는 스티렌, α-메틸스티렌, o-메틸스티렌, p-메틸스티렌, 및 p-tert-부틸스티렌으로 이루어진 군에서 선택된 방향족 비닐 단량체로 이루어진 단위부로서 중량평균분자량(Mw)이 3,000 내지 30,000이고; B는 공액디엔 단량체로 이루어진 단위부이거나, 또는 공액디엔 단량체와 상기 방향족 비닐 단량체로 이루어진 단위부로서 중량평균분자량(Mw)이 20,000 내지 200,000이고; n은 2 내지 6의 정수이고; X는 커플링제의 잔기이다.
- a) 아스팔트; 및
b) 식물성 왁스가 포함되어 있는 하기 화학식 1 또는 화학식 2로 표시되는 스티렌계 블록 공중합체;
를 포함하는 것을 특징으로 하는 개질 아스팔트 조성물 :
[화학식 1]
(A-B)nX
[화학식 2]
상기 화학식 1 또는 2에서, A는 스티렌, α-메틸스티렌, o-메틸스티렌, p-메틸스티렌, 및 p-tert-부틸스티렌으로 이루어진 군에서 선택된 방향족 비닐 단량체로 이루어진 단위부로서 중량평균분자량(Mw)이 3,000 내지 30,000이고; B는 공액디엔 단량체로 이루어진 단위부이거나, 또는 공액디엔 단량체와 상기 방향족 비닐 단량체로 이루어진 단위부로서 중량평균분자량(Mw)이 20,000 내지 200,000이고; n은 2 내지 6의 정수이고; X는 커플링제의 잔기이다.
- 제 1 항 또는 제 2 항에 있어서,
상기 아스팔트 100 중량부를 기준으로, 스티렌계 블록 공중합체 0.5 내지 40 중량부, 식물성 왁스 0.25 내지 30 중량부를 포함하는 것을 특징으로 하는 개질 아스팔트 조성물.
- 제 1 항 또는 제 2 항에 있어서,
상기 A는 방향족 비닐 단량체로 이루어진 단위부로서 중량평균분자량(Mw)이 10,000 내지 25,000이고,
상기 B는 공액디엔 단량체로 이루어진 단위부이거나, 또는 공액디엔 단량체와 방향족 비닐 단량체로 이루어진 단위부로서 중량평균분자량(Mw)이 40,000 내지 150,000이고,
상기 n은 2 내지 4의 정수,
인 것을 특징으로 하는 개질 아스팔트 조성물.
- 제 1 항 또는 제 2 항에 있어서,
상기 화학식 1 또는 2로 표시되는 스티렌계 블록 공중합체의 중량대비 A 단위부의 함량이 5 내지 40 중량%인 것을 특징으로 하는 개질 아스팔트 조성물.
- 제 1 항 또는 제 2 항에 있어서,
B 단위부 내의 비닐 함량이 10 내지 80 mol%인 것을 특징으로 하는 개질 아스팔트 조성물.
- 삭제
- 제 1 항 또는 제 2 항에 있어서,
상기 식물성 왁스는 팜 왁스, 수첨된 팜 왁스, 및 개질된 팜 왁스로 이루어진 군에서 선택된 1종 이상인 것을 특징으로 하는 개질 아스팔트 조성물.
- 제 8 항에 있어서,
상기 수첨된 팜 왁스는 융점이 55 내지 65℃인 것을 특징으로 하는 개질 아스팔트 조성물.
- 제 8 항에 있어서,
상기 개질된 팜 왁스는 융점이 80 내지 110℃인 것을 특징으로 하는 개질 아스팔트 조성물.
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US13/327,347 US8814711B2 (en) | 2011-11-16 | 2011-12-15 | Ball type constant velocity joint for vehicle |
US13/330,958 US8679244B2 (en) | 2011-11-16 | 2011-12-20 | Asphalt compositions modified by styrenic block copolymer and vegetable wax |
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US8679244B2 (en) | 2014-03-25 |
US8814711B2 (en) | 2014-08-26 |
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