DE69329245T2 - Kontinuierliche devulkanisierung von vulkanisierten elastomeren durch ultraschall - Google Patents

Kontinuierliche devulkanisierung von vulkanisierten elastomeren durch ultraschall

Info

Publication number
DE69329245T2
DE69329245T2 DE1993629245 DE69329245T DE69329245T2 DE 69329245 T2 DE69329245 T2 DE 69329245T2 DE 1993629245 DE1993629245 DE 1993629245 DE 69329245 T DE69329245 T DE 69329245T DE 69329245 T2 DE69329245 T2 DE 69329245T2
Authority
DE
Germany
Prior art keywords
sulfur
carbon
vulcanized
elastomers
continuous
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.)
Expired - Fee Related
Application number
DE1993629245
Other languages
English (en)
Other versions
DE69329245D1 (de
Inventor
Avraam Isayev
Chen Jianhua
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University of Akron
Original Assignee
University of Akron
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
Application filed by University of Akron filed Critical University of Akron
Application granted granted Critical
Publication of DE69329245D1 publication Critical patent/DE69329245D1/de
Publication of DE69329245T2 publication Critical patent/DE69329245T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J19/10—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing sonic or ultrasonic vibrations
    • 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
    • C08J2321/00—Characterised by the use of unspecified rubbers
    • 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
    • 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
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/911—Recycling consumer used articles or products
    • Y10S264/912—From toroidal shapes, e.g. resilient tires
DE1993629245 1992-06-22 1993-06-16 Kontinuierliche devulkanisierung von vulkanisierten elastomeren durch ultraschall Expired - Fee Related DE69329245T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/902,074 US5258413A (en) 1992-06-22 1992-06-22 Continuous ultrasonic devulcanization of valcanized elastomers
PCT/US1993/005758 WO1994000497A1 (en) 1992-06-22 1993-06-16 Continuous ultrasonic devulcanization of vulcanized elastomers
CN93108898A CN1042432C (zh) 1992-06-22 1993-07-16 用超声波对硫化的合成橡胶进行连续脱硫的方法和装置

Publications (2)

Publication Number Publication Date
DE69329245D1 DE69329245D1 (de) 2000-09-21
DE69329245T2 true DE69329245T2 (de) 2001-03-29

Family

ID=36843300

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1993629245 Expired - Fee Related DE69329245T2 (de) 1992-06-22 1993-06-16 Kontinuierliche devulkanisierung von vulkanisierten elastomeren durch ultraschall

Country Status (14)

Country Link
US (1) US5258413A (de)
EP (1) EP0647240B1 (de)
JP (1) JP3504947B2 (de)
CN (1) CN1042432C (de)
AT (1) ATE195458T1 (de)
AU (1) AU668581B2 (de)
BR (1) BR9306597A (de)
CA (1) CA2137923C (de)
DE (1) DE69329245T2 (de)
DK (1) DK0647240T3 (de)
ES (1) ES2151512T3 (de)
GR (1) GR3034860T3 (de)
NZ (1) NZ254379A (de)
WO (1) WO1994000497A1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011091966A1 (de) 2010-01-31 2011-08-04 Entex Rust & Mitschke Gmbh Devulkanisieren von altgummi
WO2017028936A1 (de) 2015-08-16 2017-02-23 Entex Rust & Mitschke Gmbh Devulkanisieren von altgummi in einem planetwalzenextruder
DE102016007290A1 (de) 2016-06-16 2017-12-21 Entex Rust & Mitschke Gmbh Starter für das Devulkanisieren von Altgummi
DE102018004280A1 (de) 2017-07-20 2019-01-24 Entex Rust & Mitschke Gmbh Dispergierring für das Devulkanisieren von Altgummi

Families Citing this family (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5403525A (en) * 1993-10-12 1995-04-04 Abbott Laboratories Method of forming a reseal member for use with blunt cannulas
AU2185695A (en) * 1994-03-16 1995-10-03 Skf Usa Inc. Method and apparatus for devulcanization of cross-linked elastomers
US6416705B1 (en) 1994-03-16 2002-07-09 Skf Usa, Inc. Method for devulcanization of cross-linked elastomers
US5616646A (en) * 1994-11-07 1997-04-01 Genesee Polymers Corporation Restructuring silicone rubber to produce fluid or grease
US5799880A (en) * 1996-12-02 1998-09-01 Ultramer, Inc. Method and apparatus for continuous devulcanization of rubber
US5904885A (en) * 1997-12-04 1999-05-18 Illinois Institute Of Technology Process for recycling of rubber materials
US6333373B1 (en) 1999-02-10 2001-12-25 R&D Technology, Inc. Ground elastomer and method
JP3937209B2 (ja) * 1999-09-22 2007-06-27 大日本インキ化学工業株式会社 定量連続押出供給方法及びそれを利用した成形品の製造方法
IL132422A0 (en) 1999-10-17 2001-03-19 Levgum Ltd Modifier for devulcanization of cured elastomers mainly vulcanized rubber and method for devulcanization by means of this modifier
US6420457B1 (en) 2000-04-04 2002-07-16 Westinghouse Savannah River Company, Llc Microwave treatment of vulcanized rubber
US6407144B1 (en) 2000-04-04 2002-06-18 Westinghouse Savannah River Company, Llc Combination biological and microwave treatments of used rubber products
US6479558B1 (en) 2000-04-04 2002-11-12 Westinghouse Savannah River Company Microbial processing of used rubber
US6528554B1 (en) 2001-02-15 2003-03-04 The University Of Akron Ultrasound assisted continuous process for making polymer blends and copolymers
US6387966B1 (en) 2001-05-21 2002-05-14 Vadim Goldshtein Method and composition for devulcanization of waste rubber
WO2003074254A1 (en) * 2002-02-28 2003-09-12 Scimed Life Systems, Inc. Ultrasonic assisted apparatus and process
KR20040006597A (ko) * 2002-07-13 2004-01-24 평화특수고무 (주) 초음파를 이용한 폐고무 재생방법, 재생장치 및 이에 의해제조된 개질 밸러스트 매트
KR100529238B1 (ko) 2003-06-13 2005-11-17 김진국 회전식 초음파 처리를 이용한 고분자 분말 표면 개질장치및 방법
US7188791B2 (en) * 2005-01-07 2007-03-13 Eau-Viron, Incorporated Gravity pressure vessel and method for treating vulcanized rubber
DE102005061627A1 (de) * 2005-12-21 2007-06-28 Lanxess Deutschland Gmbh Synthetischer Kautschuk mit enger Molekulargewichtsverteilung, ein Verfahren zu seiner Herstellung und seine Verwendung
DE102005061628A1 (de) * 2005-12-21 2007-06-28 Lanxess Deutschland Gmbh Hydrierter Nitrilkautschuk mit enger Molekulargewichtsverteilung, ein Verfahren zu seiner Herstellung und seine Verwendung
US7703698B2 (en) * 2006-09-08 2010-04-27 Kimberly-Clark Worldwide, Inc. Ultrasonic liquid treatment chamber and continuous flow mixing system
US7810743B2 (en) 2006-01-23 2010-10-12 Kimberly-Clark Worldwide, Inc. Ultrasonic liquid delivery device
US9283188B2 (en) 2006-09-08 2016-03-15 Kimberly-Clark Worldwide, Inc. Delivery systems for delivering functional compounds to substrates and processes of using the same
US8034286B2 (en) 2006-09-08 2011-10-11 Kimberly-Clark Worldwide, Inc. Ultrasonic treatment system for separating compounds from aqueous effluent
US7673516B2 (en) 2006-12-28 2010-03-09 Kimberly-Clark Worldwide, Inc. Ultrasonic liquid treatment system
US7712353B2 (en) 2006-12-28 2010-05-11 Kimberly-Clark Worldwide, Inc. Ultrasonic liquid treatment system
US7785674B2 (en) 2007-07-12 2010-08-31 Kimberly-Clark Worldwide, Inc. Delivery systems for delivering functional compounds to substrates and processes of using the same
US7998322B2 (en) * 2007-07-12 2011-08-16 Kimberly-Clark Worldwide, Inc. Ultrasonic treatment chamber having electrode properties
US7947184B2 (en) 2007-07-12 2011-05-24 Kimberly-Clark Worldwide, Inc. Treatment chamber for separating compounds from aqueous effluent
US8043557B2 (en) * 2007-08-15 2011-10-25 American Air Liquide, Inc. Methods and systems for sanitizing or sterilizing a medical device using ultrasonic energy and liquid nitrogen
US20090044828A1 (en) * 2007-08-15 2009-02-19 Brahmbhatt Sudhir R Methods and Systems for Debonding an Undesirable Material from a Device Using Ultrasonic Energy and Liquid Nitrogen
US20090147905A1 (en) * 2007-12-05 2009-06-11 Kimberly-Clark Worldwide, Inc. Ultrasonic treatment chamber for initiating thermonuclear fusion
US8858892B2 (en) 2007-12-21 2014-10-14 Kimberly-Clark Worldwide, Inc. Liquid treatment system
US8454889B2 (en) 2007-12-21 2013-06-04 Kimberly-Clark Worldwide, Inc. Gas treatment system
US8632613B2 (en) 2007-12-27 2014-01-21 Kimberly-Clark Worldwide, Inc. Process for applying one or more treatment agents to a textile web
US9421504B2 (en) 2007-12-28 2016-08-23 Kimberly-Clark Worldwide, Inc. Ultrasonic treatment chamber for preparing emulsions
US8057573B2 (en) 2007-12-28 2011-11-15 Kimberly-Clark Worldwide, Inc. Ultrasonic treatment chamber for increasing the shelf life of formulations
US20090166177A1 (en) 2007-12-28 2009-07-02 Kimberly-Clark Worldwide, Inc. Ultrasonic treatment chamber for preparing emulsions
US8206024B2 (en) * 2007-12-28 2012-06-26 Kimberly-Clark Worldwide, Inc. Ultrasonic treatment chamber for particle dispersion into formulations
US8215822B2 (en) 2007-12-28 2012-07-10 Kimberly-Clark Worldwide, Inc. Ultrasonic treatment chamber for preparing antimicrobial formulations
US8163388B2 (en) * 2008-12-15 2012-04-24 Kimberly-Clark Worldwide, Inc. Compositions comprising metal-modified silica nanoparticles
US8685178B2 (en) 2008-12-15 2014-04-01 Kimberly-Clark Worldwide, Inc. Methods of preparing metal-modified silica nanoparticles
US8357726B2 (en) * 2010-01-20 2013-01-22 Vertex L.L.C. Devulcanization of rubber and other elastomers
US8470897B2 (en) 2010-01-20 2013-06-25 Vertex L.L.C. Devulcanization of rubber and other elastomers
US9926426B2 (en) 2010-01-31 2018-03-27 Entex Rust & Mitschke Gmbh Non-chemical, mechanical procedure for the devulcanization of scrap rubber and/or elastomers and apparatus therefor
CN101928005B (zh) * 2010-09-13 2012-07-11 化学工业第二设计院宁波工程有限公司 一种连续合成硅化镁的反应装置
WO2012142562A1 (en) 2011-04-15 2012-10-18 The University Of Akron Single and twin screw extruders with ultrasound horns for decrosslinking and devulcanization
ITMI20120339A1 (it) 2012-03-06 2013-09-07 Dott Viola & Partners Chemical Res Earch S R L Procedimento per la devulcanizzazione di fluoroelastomeri vulcanizzati, fluoroelastomeri cosi' ottenuti e loro impiego
CN103568149A (zh) * 2012-08-01 2014-02-12 中胶资源再生（苏州）有限公司 超声波废橡胶磨粉技术与设备
CN102815879B (zh) * 2012-08-03 2014-03-26 绵阳锐洋新材料技术开发有限公司 轮胎胶粉改性方法及其在自保温隔墙砌块中的应用
MY170049A (en) * 2012-09-12 2019-06-28 Sekhar Res Innovations Sdn Bhd A method for producing devulcanized rubber and an apparatus therefor
JP6373274B2 (ja) 2012-11-02 2018-08-15 リーハイ テクノロジーズ， インコーポレイテッド 再生エラストマ材料およびこれを含む組成物の官能化方法
CN104592545A (zh) * 2015-02-15 2015-05-06 朱勇健 一种聚氨酯材料的脱硫解交联方法
EP3603933B1 (de) * 2018-07-30 2023-08-23 Fundació Eurecat Ultraschallvorrichtung für eine polymerextrudermaschine
US20230127284A1 (en) * 2020-03-05 2023-04-27 William B. Coe Antiferromagnetic strain recovery induced photon pulse initiating bond cleavage in cross-linked rubber structures
IT202100005072A1 (it) 2021-03-04 2022-09-04 Dott Viola & Partners Chemical Res S R L Procedimento per il recupero di sfridi di gomme nitriliche idrogenate vulcanizzate e loro impiego in mescole tecniche
WO2023026081A1 (ru) * 2021-08-27 2023-03-02 Смартлаб Полимерс, Сиа Способ девулканизации вулканизированной резины

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3725314A (en) * 1971-06-25 1973-04-03 Cities Service Oil Co Rubber reclamation using ultrasonic energy
US4168295A (en) * 1975-11-20 1979-09-18 Vernon D. Beehler Apparatus for enhancing chemical reactions
US4104205A (en) * 1976-01-06 1978-08-01 The Goodyear Tire & Rubber Company Microwave devulcanization of rubber
US4379724A (en) * 1981-08-14 1983-04-12 Taiyo Denko Kabushiki Kaisha Method for reclaiming waste thermoplastic resin film
JPS62121741A (ja) * 1985-11-21 1987-06-03 Yokohama Rubber Co Ltd:The 超音波によるゴムの脱硫方法
GB8724067D0 (en) * 1987-10-14 1987-11-18 Unilever Plc Manipulating particles

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011091966A1 (de) 2010-01-31 2011-08-04 Entex Rust & Mitschke Gmbh Devulkanisieren von altgummi
WO2017028936A1 (de) 2015-08-16 2017-02-23 Entex Rust & Mitschke Gmbh Devulkanisieren von altgummi in einem planetwalzenextruder
DE102015010460A1 (de) 2015-08-16 2017-03-02 Entex Rust & Mitschke Gmbh Starter für das Devulkanisieren von Altgummi
DE102016007290A1 (de) 2016-06-16 2017-12-21 Entex Rust & Mitschke Gmbh Starter für das Devulkanisieren von Altgummi
US10131760B2 (en) 2016-06-16 2018-11-20 Entex Rust & Mitschke Gmbh Starter for the devulcanisation of scrap rubber
DE102018004280A1 (de) 2017-07-20 2019-01-24 Entex Rust & Mitschke Gmbh Dispergierring für das Devulkanisieren von Altgummi

Also Published As

Publication number Publication date
AU4636793A (en) 1994-01-24
CA2137923A1 (en) 1994-01-06
EP0647240A1 (de) 1995-04-12
ATE195458T1 (de) 2000-09-15
JP3504947B2 (ja) 2004-03-08
DK0647240T3 (da) 2000-12-27
WO1994000497A1 (en) 1994-01-06
CN1098421A (zh) 1995-02-08
NZ254379A (en) 1997-01-29
EP0647240B1 (de) 2000-08-16
GR3034860T3 (en) 2001-02-28
CN1042432C (zh) 1999-03-10
DE69329245D1 (de) 2000-09-21
BR9306597A (pt) 1998-12-08
ES2151512T3 (es) 2001-01-01
CA2137923C (en) 2003-08-12
US5258413A (en) 1993-11-02
EP0647240A4 (de) 1995-05-24
AU668581B2 (en) 1996-05-09
JPH08501258A (ja) 1996-02-13

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