PROCESS FOR PRODUCING POLYMER

PROBLEM TO BE SOLVED: To provide a process for producing a polymer useful for treating and modifying hair. SOLUTION: The invention provides a process for preparing a polymer composition which comprises a step for (a) preparing a copolymer, which comprises, as polymerized monomer units, (i) 50-89.9 w...

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Bibliographische Detailangaben
Hauptverfasser:	GREENE LESTER WILLIAM JR, KAR ARI KENNETH, WANG MIAO, CREAMER MARIANNE PATRICIA
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON CORRECTING FLUIDS DYES FILLING PASTES HUMAN NECESSITIES HYGIENE INKS MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MEDICAL OR VETERINARY SCIENCE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a process for producing a polymer useful for treating and modifying hair. SOLUTION: The invention provides a process for preparing a polymer composition which comprises a step for (a) preparing a copolymer, which comprises, as polymerized monomer units, (i) 50-89.9 wt.% of one or more ethylenically unsaturated monomers and (ii) 10-40 wt.% of 2-acrylamide-2-methyl-1-propanesulfonic acid and its salt, by varying addition of the monomers (i) and (ii) with respect to time and each monomer before neutralizing the polymer with a base. COPYRIGHT: (C)2009,JPO&INPIT