DE2803420
(I) Alkylates are prepd. by alkylating an aromatic hydrocarbon with a mixt. of (a) is not >95 wt. % of 15-40C branched alkenes and (b) is not 5 wt % of 16-30C straight-chain alkenes; the molar ratio of the aromatic cpd.:alkene mixt. is 10-1:1. (II) A sulphonic acid is prepd. by sulphonating the a...
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| creator | TIRTIAUX, ROBERT, MONT-SAINT-AIGNAN, SEINE-MARITIME, FR OSSELET, ANDRE |
| description | (I) Alkylates are prepd. by alkylating an aromatic hydrocarbon with a mixt. of (a) is not >95 wt. % of 15-40C branched alkenes and (b) is not 5 wt % of 16-30C straight-chain alkenes; the molar ratio of the aromatic cpd.:alkene mixt. is 10-1:1. (II) A sulphonic acid is prepd. by sulphonating the alkylate. Over-based Ca sulphonates with less tendency to foam when used as lubricating oil additives can be prepd. from the alkylates. Neutral sulphonates can be used in emulsifier comsns. for metal-working fluids. The alkylate itself can be used as a sythetic lubricant. A smaller amt. of the expensive straight-chain alkenes is used in the alkylation. Neutral sulphonates are more stable. The aromatic cpd. is esp. benzene. (a) Propylene oligomers are pref. (b) The amt. is esp. 15-30% and the alkenes are partic. 24C. Sulphonation is partic. with a soln. of SO3 in SO2. The Ca, Mg or Ba sulphonates are pref. as lubricant additives. Alkali metal or quat. ammonium sulphonates are pref. as emulsifiers. |
| format | Patent |
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(II) A sulphonic acid is prepd. by sulphonating the alkylate. Over-based Ca sulphonates with less tendency to foam when used as lubricating oil additives can be prepd. from the alkylates. Neutral sulphonates can be used in emulsifier comsns. for metal-working fluids. The alkylate itself can be used as a sythetic lubricant. A smaller amt. of the expensive straight-chain alkenes is used in the alkylation. Neutral sulphonates are more stable. The aromatic cpd. is esp. benzene. (a) Propylene oligomers are pref. (b) The amt. is esp. 15-30% and the alkenes are partic. 24C. Sulphonation is partic. with a soln. of SO3 in SO2. The Ca, Mg or Ba sulphonates are pref. as lubricant additives. Alkali metal or quat. ammonium sulphonates are pref. as emulsifiers.</description><language>eng</language><subject>ACYCLIC OR CARBOCYCLIC COMPOUNDS ; ADHESIVES ; CHEMISTRY ; DYES ; FUELS ; INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATINGCOMPOSITIONS ; LUBRICANTS ; LUBRICATING COMPOSITIONS ; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE ; METALLURGY ; MISCELLANEOUS APPLICATIONS OF MATERIALS ; MISCELLANEOUS COMPOSITIONS ; NATURAL RESINS ; ORGANIC CHEMISTRY ; PAINTS ; PEAT ; PETROLEUM, GAS OR COKE INDUSTRIES ; POLISHES ; TECHNICAL GASES CONTAINING CARBON MONOXIDE ; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION</subject><creationdate>1992</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=19921029&DB=EPODOC&CC=DE&NR=2803420C2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19921029&DB=EPODOC&CC=DE&NR=2803420C2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TIRTIAUX, ROBERT, MONT-SAINT-AIGNAN, SEINE-MARITIME, FR</creatorcontrib><creatorcontrib>OSSELET, ANDRE</creatorcontrib><title>DE2803420</title><description>(I) Alkylates are prepd. by alkylating an aromatic hydrocarbon with a mixt. of (a) is not >95 wt. % of 15-40C branched alkenes and (b) is not 5 wt % of 16-30C straight-chain alkenes; the molar ratio of the aromatic cpd.:alkene mixt. is 10-1:1. (II) A sulphonic acid is prepd. by sulphonating the alkylate. Over-based Ca sulphonates with less tendency to foam when used as lubricating oil additives can be prepd. from the alkylates. Neutral sulphonates can be used in emulsifier comsns. for metal-working fluids. The alkylate itself can be used as a sythetic lubricant. A smaller amt. of the expensive straight-chain alkenes is used in the alkylation. Neutral sulphonates are more stable. The aromatic cpd. is esp. benzene. (a) Propylene oligomers are pref. (b) The amt. is esp. 15-30% and the alkenes are partic. 24C. Sulphonation is partic. with a soln. of SO3 in SO2. The Ca, Mg or Ba sulphonates are pref. as lubricant additives. 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(II) A sulphonic acid is prepd. by sulphonating the alkylate. Over-based Ca sulphonates with less tendency to foam when used as lubricating oil additives can be prepd. from the alkylates. Neutral sulphonates can be used in emulsifier comsns. for metal-working fluids. The alkylate itself can be used as a sythetic lubricant. A smaller amt. of the expensive straight-chain alkenes is used in the alkylation. Neutral sulphonates are more stable. The aromatic cpd. is esp. benzene. (a) Propylene oligomers are pref. (b) The amt. is esp. 15-30% and the alkenes are partic. 24C. Sulphonation is partic. with a soln. of SO3 in SO2. The Ca, Mg or Ba sulphonates are pref. as lubricant additives. Alkali metal or quat. ammonium sulphonates are pref. as emulsifiers.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ACYCLIC OR CARBOCYCLIC COMPOUNDS ADHESIVES CHEMISTRY DYES FUELS INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATINGCOMPOSITIONS LUBRICANTS LUBRICATING COMPOSITIONS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC CHEMISTRY PAINTS PEAT PETROLEUM, GAS OR COKE INDUSTRIES POLISHES TECHNICAL GASES CONTAINING CARBON MONOXIDE USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION |
| title | DE2803420 |
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