DK2102277T3 - Devulkaniseret gummi og fremgangsmåder - Google Patents

Devulkaniseret gummi og fremgangsmåder Download PDF

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DK2102277T3
DK2102277T3 DK07755210.7T DK07755210T DK2102277T3 DK 2102277 T3 DK2102277 T3 DK 2102277T3 DK 07755210 T DK07755210 T DK 07755210T DK 2102277 T3 DK2102277 T3 DK 2102277T3
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rubber
turpentine
devulcanization
terpineol
vulcanized rubber
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DK07755210.7T
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English (en)
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Liang-Tseng Fan
Mohammad Reza Shafie
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Sf Materials Corp
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/04—Recovery or working-up of waste materials of polymers
    • C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
    • C08J11/18—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material
    • C08J11/20—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with hydrocarbons or halogenated hydrocarbons
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/04—Recovery or working-up of waste materials of polymers
    • C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/24—Stationary reactors without moving elements inside
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
    • C08C19/00—Chemical modification of rubber
    • C08C19/08—Depolymerisation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/04—Recovery or working-up of waste materials of polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/04—Recovery or working-up of waste materials of polymers
    • C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
    • C08J11/105—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with enzymes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/04—Recovery or working-up of waste materials of polymers
    • C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
    • C08J11/18—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/04—Recovery or working-up of waste materials of polymers
    • C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
    • C08J11/18—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material
    • C08J11/22—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic oxygen-containing compounds
    • C08J11/24—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic oxygen-containing compounds containing hydroxyl groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/04—Recovery or working-up of waste materials of polymers
    • C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
    • C08J11/18—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material
    • C08J11/22—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic oxygen-containing compounds
    • C08J11/26—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic oxygen-containing compounds containing carboxylic acid groups, their anhydrides or esters
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/04—Recovery or working-up of waste materials of polymers
    • C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
    • C08J11/18—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material
    • C08J11/28—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic compounds containing nitrogen, sulfur or phosphorus
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L21/00—Compositions of unspecified rubbers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2300/00—Characterised by the use of unspecified polymers
    • C08J2300/30—Polymeric waste or recycled polymer
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2319/00—Characterised by the use of rubbers not provided for in groups C08J2307/00 - C08J2317/00
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • General Chemical & Material Sciences (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Fats And Perfumes (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)

Claims (21)

1. Fremgangsmåde til devulkanisering af gummi der omfatter at bringe en vulkaniseret gummi i kontakt med en terpentinvæske i en reaktionsblanding i et fravær af alkalimetal, carbondioxid, højtrykskedler, mikrobølger, ultrasoniske bølger og katalysatorer, hvor terpentinvæsken anvendes som et devulkaniseringsmiddel til at nedsætte svovlindhold og bryde svovl-tværbindinger af den vulkaniserede gummi, hvor terpentinvæsken er valgt fra gruppen bestående af: naturel terpentin, syntetisk terpentin, fyrretræsolie, a-pinen, β-pinen, a-terpineol, β-terpineol, 3-caren, anethol, dipenten (p-mentha-l,8-dien), terpenresiner, nopol, pinan, camphen, p-cymen, anisaldehyd, 2-pinan-hydroperoxid, 3,7-dimethyl-l,6-octadien, isobornylacetat, terpinhydrat, ocimen, 2-pinanol, dihydromyrcenol, isoborneol, y-terpineol, alloocimen, alloocimenalkoholer, geraniol, 2-methoxy-2,6-dimethyl-7,8-epoxyoctan, campher, p-menthan-8-ol, α-terpinylacetat, citral, citronellol, 7-methoxydihydrocitronellal, 10-camphersulfonsyre, p-menthen, p-menthan-8-yl-acetat, citronellal, 7-hydroxydihydrocitronellal, menthol, menthon, polymerer deraf, og blandinger deraf.
2. Fremgangsmåden ifølge krav 1, hvor terpentinvæsken er valgt fra gruppen bestående af, naturel terpentin, syntetisk terpentin, fyrretræsolie, a-pinen, β-pinen, a-terpineol, β-terpineol, polymerer deraf, og blandinger deraf.
3. Fremgangsmåden ifølge krav 1, hvor den vulkaniserede gummi er tilvejebragt i en form af mindst én intakt vulkaniseret gummiartikel, vulkaniseret gummiklump, vulkaniseret gummiblok, vulkaniseret gummigranulat, vulkaniseret gummistykke, eller en flerhed eller blanding deraf.
4. Fremgangsmåden ifølge krav 3, hvor den vulkaniserede gummi er i gummigranulatform.
5. Fremgangsmåden ifølge krav 4, hvor gummigranulatet har en gennemsnitlig partikelstørrelse på fra ca. 0,074 millimeter til ca. 50 millimeter.
6. Fremgangsmåden ifølge krav 1, hvor terpentinvæsken yderligere omfatter et opløsningsmiddel eller en væske der ikke er blandbar med terpentinvæsken.
7. Fremgangsmåden ifølge krav 6, hvor opløsningsmidlet er valgt fra gruppen bestående af lavere alifatiske alkoholer, lavere alkaner, og blandinger deraf.
8. Fremgangsmåden ifølge krav 7, hvor opløsningsmidlet er valgt fra gruppen bestående af ethanol, propanol, butanol, heptan, og blandinger deraf.
9. Fremgangsmåden ifølge krav 7, hvor væsken der ikke er blandbar med terpentinvæsken yderligere omfatter vand.
10. Fremgangsmåden ifølge krav 9, hvor vandet er kogende.
11. Fremgangsmåden ifølge krav 1, hvor gummien og terpentinvæsken bringes i kontakt ved en temperatur på fra ca. 10°C til ca. 180°C.
12. Fremgangsmåden ifølge krav 1, yderligere omfattende: tilvejebringe en reaktorkedel inde i hvilken reaktorkedel den vulkaniserede gummi bringes i kontakt med terpentinvæsken; tilvejebringe et organ til omrøring af den vulkaniserede gummi og terpentinvæsken i reaktorkedlen; og omrøre gummien og terpentinvæsken.
13. Fremgangsmåden ifølge krav 12, hvor den vulkaniserede gummi bringes i kontakt med terpentinvæsken i en tidsperiode for at inducere en forudbestemt grad af devulkanisering.
14. Fremgangsmåden ifølge krav 1, yderligere omfattende inkubering af den vulkaniserede gummi med terpentinvæsken i en opbevaringsbeholder.
15. Fremgangsmåden ifølge krav 1, hvor gummien bringes i kontakt med terpentinvæsken ved en temperatur på mindre end ca. 180°C.
16. Fremgangsmåden ifølge krav 1, hvor gummien bringes i kontakt med terpentinvæsken ved en temperatur på mindre end 100°C.
17. Fremgangsmåden ifølge krav 1, yderligere omfattende trinnet at tilvejebringe til reaktionsblandingen under kontakten med en forbindelse valgt fra gruppen bestående af metaloxider, svovl-gruppe-inhibitorer, N-tert-butyl-2-benzothiazol-sulphenamid (TBBS), zinkmercaptobenzothiazol (ZMBT), 2-mercaptobenzothiazol (MBT), tetramethylthiuram-monosulfid (TMTM), og blandinger deraf.
18. Fremgangsmåden ifølge krav 1, yderligere omfattende trinnet at tilvejebringe en termofil mikroorganisme til reaktionsblandingen under denne kontakt.
19. Fremgangsmåden ifølge krav 7, hvor den lavere alkan er hexan.
20. Fremgangsmåden ifølge krav 1, hvor kontakten totalt devulkaniserer et stykke eller partikel af vulkaniseret gummi eller elastomer af en hvilken som helst begrænset størrelse, fx, gummidelen af et typisk personvognsdæk, hvis dimensioner er ca. 260 mm i bredden, ca. 660 mm i yderdiameter og ca. 410 mm i inderdiameter, hvor den vulkaniserede gummi eller elastomer lagres med ét eller flere devulkaniseringsmidler i en periode på ca. én uge til 6 uger ved en temperatur mellem ca. 50 og 120°C og under tryk på ca. 1,01 x 105 Pascal (1,0 atm eller 14,8 lbs/in2).
21. Anvendelse af terpentinvæske som devulkaniseringmiddel til at nedsætte svovlindhold og bryde svovl-tværbindinger af en vulkaniseret gummi, hvor den vulkaniserede gummi bringes i kontakt med terpentinvæsken i en reaktionsblanding i et fravær af alkalimetal, carbondioxid, højtrykskedler, mikrobølger, ultrasoniske bølger og katalysatorer, hvor terpentinvæsken er valgt fra gruppen bestående af: naturel terpentin, syntetisk terpentin, fyrretræsolie, a-pinen, β-pinen, a-terpineol, β-terpineol, 3-caren, anethol, dipenten (p-mentha-l,8-dien), terpenresiner, nopol, pinan, camphen, p-cymen, anisaldehyd, 2-pinan hydroperoxid, 3,7-dimethyl-l,6- octadien, isobornyl acetat, terpinhydrat, ocimen, 2-pinanol, dihydromyrcenol, isoborneol, γ-terpineol, alloocimen, alloocimenalkoholer, geraniol, 2-methoxy-2,6-dimethyl-7,8-epoxyoctan, campher, p-menthan-8-ol, a-terpinylacetat, citral, citronellol, 7-methoxydihydrocitronellal, 10-camphersulfonsyre, p-menthen, p-menthan-8-yl-acetat, citronellal, 7-hydroxydihydrocitronellal, menthol, menthon, polymerer deraf, og blandinger deraf.
DK07755210.7T 2006-12-11 2007-04-10 Devulkaniseret gummi og fremgangsmåder DK2102277T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/636,611 US7767722B2 (en) 2006-12-11 2006-12-11 Devulcanized rubber and methods
PCT/US2007/008858 WO2008073136A1 (en) 2006-12-11 2007-04-10 Devulcanized rubber and methods

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US (4) US7767722B2 (da)
EP (2) EP2784109B1 (da)
JP (2) JP5737684B2 (da)
KR (2) KR20090112651A (da)
CN (1) CN101616969B (da)
AP (1) AP2009004894A0 (da)
AR (1) AR064173A1 (da)
AU (1) AU2007333019B2 (da)
BR (1) BRPI0720110B1 (da)
CA (1) CA2671567C (da)
CL (1) CL2007003573A1 (da)
CO (1) CO6210753A2 (da)
CY (1) CY1116387T1 (da)
DK (1) DK2102277T3 (da)
EA (1) EA015965B1 (da)
ES (2) ES2621301T3 (da)
HK (1) HK1135999A1 (da)
HU (1) HUE026182T2 (da)
MX (1) MX2009006126A (da)
MY (1) MY148541A (da)
PE (1) PE20081088A1 (da)
PL (1) PL2102277T3 (da)
PT (1) PT2102277E (da)
SI (1) SI2102277T1 (da)
TW (2) TWI426096B (da)
UA (1) UA96779C2 (da)
WO (1) WO2008073136A1 (da)

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