Method for decomposing crosslinked rubber
The invention solves the problem of providing a decomposition method of crosslinked rubber capable of improving monomer yield. [Solution] A method for decomposing a crosslinked rubber characterized by comprising: a first decomposition step in which decomposition is performed using a catalyst represe...
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| creator | KUNO, MARINO YAMASHITA HIROSHI FUKAYA NORIHISA SUGIKI MAKOTO MIFTAH, FATMA VAYU SUBA PHONG FUJITANI TADAHIRO HATORI, MAKIKO HOJO MASAHIRO KUMAGAI SHOGO CHOI JUNUL YOSHIOKA TOSHIAKI OKUNO AKIRA |
| description | The invention solves the problem of providing a decomposition method of crosslinked rubber capable of improving monomer yield. [Solution] A method for decomposing a crosslinked rubber characterized by comprising: a first decomposition step in which decomposition is performed using a catalyst represented by general formulae (1)-(3) (in the formulae, M is ruthenium, molybdenum or the like, X1, X2, L1, L2 and L3 each independently represent a ligand, R1, R2 and R3 each independently represent hydrogen, an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, an aryl group or the like (here, R1, R2 and R3 each independently represent a hydrogen atom, an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, an aryl group or the like); ), L1 and L2, R1 and R2, or L1 and R1 may be bonded to each other to form a ring), and R1 and R2 may be substituted by one or more alkyl groups, halogen, alkoxy groups, or the like. And a second decomposition step in which the decomposition product obtai |
| format | Patent |
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[Solution] A method for decomposing a crosslinked rubber characterized by comprising: a first decomposition step in which decomposition is performed using a catalyst represented by general formulae (1)-(3) (in the formulae, M is ruthenium, molybdenum or the like, X1, X2, L1, L2 and L3 each independently represent a ligand, R1, R2 and R3 each independently represent hydrogen, an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, an aryl group or the like (here, R1, R2 and R3 each independently represent a hydrogen atom, an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, an aryl group or the like); ), L1 and L2, R1 and R2, or L1 and R1 may be bonded to each other to form a ring), and R1 and R2 may be substituted by one or more alkyl groups, halogen, alkoxy groups, or the like. And a second decomposition step in which the decomposition product obtai</description><language>chi ; eng</language><subject>AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G ; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY ; CHEMISTRY ; COMPOSITIONS BASED THEREON ; GENERAL PROCESSES OF COMPOUNDING ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; PERFORMING OPERATIONS ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; THEIR RELEVANT APPARATUS ; TRANSPORTING ; TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS ; WORKING-UP</subject><creationdate>2024</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240924&DB=EPODOC&CC=CN&NR=118696084A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240924&DB=EPODOC&CC=CN&NR=118696084A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KUNO, MARINO</creatorcontrib><creatorcontrib>YAMASHITA HIROSHI</creatorcontrib><creatorcontrib>FUKAYA NORIHISA</creatorcontrib><creatorcontrib>SUGIKI MAKOTO</creatorcontrib><creatorcontrib>MIFTAH, FATMA</creatorcontrib><creatorcontrib>VAYU SUBA PHONG</creatorcontrib><creatorcontrib>FUJITANI TADAHIRO</creatorcontrib><creatorcontrib>HATORI, MAKIKO</creatorcontrib><creatorcontrib>HOJO MASAHIRO</creatorcontrib><creatorcontrib>KUMAGAI SHOGO</creatorcontrib><creatorcontrib>CHOI JUNUL</creatorcontrib><creatorcontrib>YOSHIOKA TOSHIAKI</creatorcontrib><creatorcontrib>OKUNO AKIRA</creatorcontrib><title>Method for decomposing crosslinked rubber</title><description>The invention solves the problem of providing a decomposition method of crosslinked rubber capable of improving monomer yield. [Solution] A method for decomposing a crosslinked rubber characterized by comprising: a first decomposition step in which decomposition is performed using a catalyst represented by general formulae (1)-(3) (in the formulae, M is ruthenium, molybdenum or the like, X1, X2, L1, L2 and L3 each independently represent a ligand, R1, R2 and R3 each independently represent hydrogen, an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, an aryl group or the like (here, R1, R2 and R3 each independently represent a hydrogen atom, an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, an aryl group or the like); ), L1 and L2, R1 and R2, or L1 and R1 may be bonded to each other to form a ring), and R1 and R2 may be substituted by one or more alkyl groups, halogen, alkoxy groups, or the like. 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[Solution] A method for decomposing a crosslinked rubber characterized by comprising: a first decomposition step in which decomposition is performed using a catalyst represented by general formulae (1)-(3) (in the formulae, M is ruthenium, molybdenum or the like, X1, X2, L1, L2 and L3 each independently represent a ligand, R1, R2 and R3 each independently represent hydrogen, an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, an aryl group or the like (here, R1, R2 and R3 each independently represent a hydrogen atom, an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, an aryl group or the like); ), L1 and L2, R1 and R2, or L1 and R1 may be bonded to each other to form a ring), and R1 and R2 may be substituted by one or more alkyl groups, halogen, alkoxy groups, or the like. And a second decomposition step in which the decomposition product obtai</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR PREPARATION OR CHEMICAL WORKING-UP THEIR RELEVANT APPARATUS TRANSPORTING TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS WORKING-UP |
| title | Method for decomposing crosslinked rubber |
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