Method for synthesizing fluorine silicon antifoaming agent for engine oil
The invention provides a method for synthesizing a fluorine silicon antifoaming agent for engine oil. According to the method, organosilicone monomer hexamethyl cyclotrisiloxane or octamethylcyclotetrasiloxane serves as the main raw material, under the action of a catalyst, an end-capping reagent is...
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| creator | SUN BAIKAI WEI QI |
| description | The invention provides a method for synthesizing a fluorine silicon antifoaming agent for engine oil. According to the method, organosilicone monomer hexamethyl cyclotrisiloxane or octamethylcyclotetrasiloxane serves as the main raw material, under the action of a catalyst, an end-capping reagent is added, a reaction with 1, 3, 5-tris (3, 3, 3-trifluoropropyl) methylcyclotrisiloxane is conducted, after the reaction is completed, low molecular substances are removed, and after filtering is conducted, the fluorine silicon antifoaming agent for engine oil is obtained. The fluorine silicon antifoaming agent has the advantages of being good in solubleness and good in high-temperature anti-foaming property and is low in production cost and free of pollution; the fluorine silicon antifoaming agent is mainly used for engine oil of the APISJ level, the ILSAC CF-4 level and above, the problem of high-temperature (150 DEG C) foaming resistance of oil is solved, and the engine oil is good in foam characteristic and ideal |
| format | Patent |
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According to the method, organosilicone monomer hexamethyl cyclotrisiloxane or octamethylcyclotetrasiloxane serves as the main raw material, under the action of a catalyst, an end-capping reagent is added, a reaction with 1, 3, 5-tris (3, 3, 3-trifluoropropyl) methylcyclotrisiloxane is conducted, after the reaction is completed, low molecular substances are removed, and after filtering is conducted, the fluorine silicon antifoaming agent for engine oil is obtained. The fluorine silicon antifoaming agent has the advantages of being good in solubleness and good in high-temperature anti-foaming property and is low in production cost and free of pollution; the fluorine silicon antifoaming agent is mainly used for engine oil of the APISJ level, the ILSAC CF-4 level and above, the problem of high-temperature (150 DEG C) foaming resistance of oil is solved, and the engine oil is good in foam characteristic and ideal</description><language>chi ; eng</language><subject>CHEMISTRY ; COMPOSITIONS BASED THEREON ; FUELS ; INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATINGCOMPOSITIONS ; LUBRICANTS ; LUBRICATING COMPOSITIONS ; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; PEAT ; PETROLEUM, GAS OR COKE INDUSTRIES ; TECHNICAL GASES CONTAINING CARBON MONOXIDE ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION</subject><creationdate>2016</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=20160504&DB=EPODOC&CC=CN&NR=105542170A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20160504&DB=EPODOC&CC=CN&NR=105542170A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SUN BAIKAI</creatorcontrib><creatorcontrib>WEI QI</creatorcontrib><title>Method for synthesizing fluorine silicon antifoaming agent for engine oil</title><description>The invention provides a method for synthesizing a fluorine silicon antifoaming agent for engine oil. 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| language | chi ; eng |
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| subjects | CHEMISTRY COMPOSITIONS BASED THEREON FUELS INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATINGCOMPOSITIONS LUBRICANTS LUBRICATING COMPOSITIONS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PEAT PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MONOXIDE THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION |
| title | Method for synthesizing fluorine silicon antifoaming agent for engine oil |
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