ANIONIC SURFACTANTS BASED ON ALKENE SULFONIC ACID

• Main Author: HSU, IRIS, K
• Format: Patent
• Language: English; Spanish
• Published: 03.12.2004
• Edition: 6
• Subjects: ADHESIVES; CHEMISTRY; DYES; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; PAINTS; POLISHES; TECHNICAL SUBJECTS COVERED BY FORMER USPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS

New anionic surfactants and methods of preparation which are derived from aromatic or substituted aromatic molecules and alkene sulfonic acid. Wherein the aryl compound is alkylated and sulfonated in one-step with an alkene sulfonic acid prior to sulfonic acid neutralization. The methods allow the functional sulfonate group to be attached to the end of the alkyl chain rather than to the aromatic ring thus allowing for selective substituted groups, either branched, linear or alkoxylated or combinations thereof to be placed on the aryl compound prior to sulfonation and alkylation. The invention uses the alkene sulfonic acid produced from thin-film sulfonation of an alpha-olefin to alkylate benzene, mono-substituted aromatic, poly-substituted aromatic, alkylbenzene, alkoxylated benzene, polycyclic aromatic, mono-substituted polycyclic aromatic, poly-substituted polycyclic aromatic, naphthalene, alkylnaphthalene, phenol, alkylphenol, alkoxylated phenol, and alkoxylated alkylphenolalkyl substituted or polysubstituted cyclic or polycyclic compounds to produce the corresponding sulfonic acid having an additional alkyl group derived from the alpha-olefin used during the thin-film sulfonation which is either linear or branched. Los nuevos agentes tensioactivos anionicos y metodos de preparacion que se derivan de moleculas aromaticas o aromaticas substituidas y el acido alquensulfonico. En donde el compuesto de arilo se alquila y se somete a sulfonacion en un paso con un acido alquensulfonico antes de la neutralizacion con acido sulfonico. Los metodos permiten que el grupo de sulfonato funcional se fije al extremo de la cadena de alquilo en vez del anillo aromatico permitiendo de esta manera que grupos substituidos selectivos, ya sea ramificados, lineales o alcoxilados o una combinacion de los mismos se coloque en el compuesto de arilo antes de la sulfonacion y alquilacion. La invencion usa el acido alquensulfonico de la sulfonacion de pelicula delgada de una alfa-olefina a benceno de alquilato, aromatico mono-substituido, aromatico poli-substituido, alquilbenceno, benceno alcoxilado, aromatico policiclico, aromatico policiclico mono-substituido, aromatico policiclico poli-substituido, naftaleno, alquilnaftaleno, fenol, alquilfenol, fenol alcoxilado, y alquilfenol alcoxilado substituido o compuestos ciclicos o policiclicos poli-substituidos para producir el acido sulfonico correspondiente que tiene un grupo de alquilo adicional derivado de la alfa-olefina usada durante la sulfonacion de pelicula delgada que es ya sea de cadena lineal o ramificada.