RU95119820A - STABILIZED BITUMEN COMPOSITION - Google Patents

STABILIZED BITUMEN COMPOSITION

Info

Publication number
RU95119820A
RU95119820A RU95119820/04A RU95119820A RU95119820A RU 95119820 A RU95119820 A RU 95119820A RU 95119820/04 A RU95119820/04 A RU 95119820/04A RU 95119820 A RU95119820 A RU 95119820A RU 95119820 A RU95119820 A RU 95119820A
Authority
RU
Russia
Prior art keywords
copolymer
mentioned
styrene
polyolefin
composition according
Prior art date
Application number
RU95119820/04A
Other languages
Russian (ru)
Other versions
RU2140946C1 (en
Inventor
Лианг Зи-зонг
Т.Вудхамс Раймонд
В.Смит Джеймс
Original Assignee
Полифолт Инк.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from GB939306517A external-priority patent/GB9306517D0/en
Application filed by Полифолт Инк. filed Critical Полифолт Инк.
Publication of RU95119820A publication Critical patent/RU95119820A/en
Application granted granted Critical
Publication of RU2140946C1 publication Critical patent/RU2140946C1/en

Links

Claims (8)

1. Битумная композиция, включающая битум и по крайней мере один полиолефин, стерически стабилизированный в форме дисперсных частиц в битуме с помощью стерически стабилизирующей молекулы, содержащей битумо совместимый полимер, внутренне связанный с полиолефином, присоединенным к вышеназванному по крайней мере одному полиолефину, отличающаяся тем, что по крайней мере один дополнительный полимерный материал стабильно введен в битум переплетением, физическим улавливанием, химическим сшиванием или комбинацией двух или более таких механизмов.1. A bituminous composition comprising bitumen and at least one polyolefin stabilized sterically in the form of dispersed particles in bitumen with the help of a sterically stabilizing molecule containing a bitumen compatible polymer internally linked to a polyolefin attached to the above named at least one polyolefin characterized by that at least one additional polymeric material is stably introduced into the bitumen by weaving, physical trapping, chemical crosslinking, or a combination of two or more such mechanisms mov. 2. Композиция по п. 1, отличающаяся тем, что вышеназванный полиолефин включает полиэтилен в форме диспергированных частиц. 2. The composition according to p. 1, characterized in that the above-mentioned polyolefin comprises polyethylene in the form of dispersed particles. 3. Композиция по п. 1 или 2, отличающаяся тем, что по крайней мере один дополнительный полимерный материал включает сополимер. 3. The composition according to p. 1 or 2, characterized in that at least one additional polymeric material includes a copolymer. 4. Композиция по п. 3, отличающаяся тем, что вышеназванный сополимер является эластомерным. 4. The composition according to p. 3, characterized in that the above-mentioned copolymer is elastomeric. 5. Композиция по п. 4, отличающаяся тем, что вышеназванный эластомерный сополимер включает стирольный сополимер или олефиновый сополимер. 5. The composition according to p. 4, characterized in that the above-mentioned elastomeric copolymer includes a styrene copolymer or an olefin copolymer. 6. Композиция по п. 5, отличающаяся тем, что вышеназванный стирольный сополимер является бутадиенстирольным каучуком (SBR ), стирол-бутадиен-стирольным блок-сополимером (SBS ), стирол-этилен-бутадиен-стирольным блок-сополимером (SEBS) или стирол-изопрен-стирольным блок-сополимером (SIS). 6. The composition according to p. 5, characterized in that the above styrene copolymer is styrene-butadiene rubber (SBR), styrene-butadiene-styrene block copolymer (SBS), styrene-ethylene-butadiene-styrene block copolymer (SEBS) or styrene- isoprene-styrene block copolymer (SIS). 7. Композиция по п. 5, отличающаяся тем, что вышеназванный олефиновый сополимер представляет собой этилен-винил-ацетатный сополимер (EVA), этилен-метилакрилатный сополимер (EMA), этилен-пропилен-диеновый сополимер (ЕРДМ) или полипропиленовый сополимер. 7. The composition according to p. 5, characterized in that the above-mentioned olefin copolymer is an ethylene-vinyl-acetate copolymer (EVA), ethylene-methyl acrylate copolymer (EMA), ethylene-propylene-diene copolymer (ERDM) or polypropylene copolymer. 8. Композиция по любому из пп. 4-7, отличающаяся тем, что полиэтилен присутствует в композиции в количестве от 0,5 до 20 мас.% и сополимер присутствует в композиции в количестве от 0,5 до 20 мас.%
9. Композиция по п. 8, отличающаяся тем, что вышеназванный эластомерный сополимер представляет собой стирол-бутадиенстирольный блок-сополимер (SBS) или сополимер бутадиенстирольного каучука, присутствующий в количестве 1-15 мас.%
10. Способ получения битумной композиции, включающий растворение диена с функциональными группами в растворителе, который представляет собой битум или масло, совместимое с битумом; диспергирование полиолефина с функциональными группами в вышеназванном растворителе; реакцию вышеназванного полиолефина с функциональными группами и вышеназванного диена с функциональными группами так, что один конец вышеназванного олефинового полимера связывается с вышеназванным диеном, диспергирование полиолефина в расплавленном состоянии в вышеназванном растворителе, причем вышеназванный растворитель представляет собой масло совместимое, диспергирующее результирующую композицию в битуме, отличающийся диспергированием по крайней мере одного дополнительного полимера в форме частиц в вышеназванном растворителе, что обеспечивает в битумной композиции стерическую стабилизацию вышеназванного полиолефина с помощью связывания свободного конца полиолефина с функциональными группами с вышеназванными частицами полиолефина и стабильное введение по крайней мере одного дополнительного полимера переплетением, физическим улавливанием, химическим сшиванием или комбинацией двух или более таких механизмов.8. Composition according to any one of paragraphs. 4-7, characterized in that the polyethylene is present in the composition in an amount of from 0.5 to 20 wt.% And the copolymer is present in the composition in an amount of from 0.5 to 20 wt.%
9. The composition according to p. 8, characterized in that the above-mentioned elastomeric copolymer is a styrene-butadiene styrene block copolymer (SBS) or copolymer of styrene butadiene rubber, present in an amount of 1-15 wt.%
10. A method of producing a bitumen composition, comprising dissolving a diene with functional groups in a solvent, which is a bitumen or oil that is compatible with bitumen; dispersing the polyolefin with functional groups in the aforementioned solvent; reacting the above-mentioned polyolefin with functional groups and the above-mentioned diene with functional groups so that one end of the above-mentioned olefin polymer binds to the above-mentioned diene, the dispersion of the polyolefin in the molten state in the above-mentioned solvent, and the above-mentioned solvent is an oil that is compatible with the dispersing result of the same procedure that will be applied to the above solvent. at least one additional polymer in the form of particles in the above named dissolve e, which provides a steric stabilization of the bituminous composition of the above polyolefin by the binding of the free end of the functionalized polyolefin particles with the above mentioned polyolefin and stable introduction of at least one additional polymer entanglement, physical entrapment, chemical cross-linking or a combination of two or more of such mechanisms.
RU95119820A 1993-03-29 1994-03-28 Stabilized bitumen composition RU2140946C1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9306517.5 1993-03-29
GB939306517A GB9306517D0 (en) 1993-03-29 1993-03-29 Stabilized bitumen compositions
PCT/CA1994/000174 WO1994022957A1 (en) 1993-03-29 1994-03-28 Stabilized bitumen compositions

Publications (2)

Publication Number Publication Date
RU95119820A true RU95119820A (en) 1997-11-10
RU2140946C1 RU2140946C1 (en) 1999-11-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU95119820A RU2140946C1 (en) 1993-03-29 1994-03-28 Stabilized bitumen composition

Country Status (27)

Country Link
US (1) US6100317A (en)
EP (1) EP0692001B1 (en)
JP (1) JPH08508306A (en)
KR (1) KR100275251B1 (en)
AT (1) ATE157114T1 (en)
AU (1) AU683455B2 (en)
BR (1) BR9406448A (en)
CA (1) CA2158928C (en)
CZ (1) CZ292436B6 (en)
DE (1) DE69405094T2 (en)
DK (1) DK0692001T3 (en)
ES (1) ES2108436T3 (en)
FI (1) FI954600A (en)
GB (1) GB9306517D0 (en)
GR (1) GR3025287T3 (en)
HU (1) HU220292B (en)
IL (1) IL109148A (en)
IN (1) IN189209B (en)
MY (1) MY111207A (en)
NO (1) NO309821B1 (en)
NZ (1) NZ262885A (en)
OA (1) OA10186A (en)
PL (1) PL178108B1 (en)
RU (1) RU2140946C1 (en)
SK (1) SK281311B6 (en)
UA (1) UA44702C2 (en)
WO (1) WO1994022957A1 (en)

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