Use of water-soluble or water-dispersible graft polymers comprising polyether blocks as coating materials, matrix formers and/or packaging material for agrochemicals

• Main Authors: SCHNEIDER KARL-HEINRICH, SCHNEIDER TANJA, GOTSCHE MICHAEL, MEFFERT HELMUT, GOMEZ MARCOS
• Format: Patent
• Language: English
• Published: 09.12.2004
• Edition: 7
• Subjects: ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; ADHESIVES; AGRICULTURE; ANIMAL HUSBANDRY; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; CONVEYING; CORRECTING FLUIDS; DYES; FILLING PASTES; FISHING; FORESTRY; HANDLING THIN OR FILAMENTARY MATERIAL; HUMAN NECESSITIES; HUNTING; INKS; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; ORGANIC MACROMOLECULAR COMPOUNDS; PACKAGES; PACKAGING ELEMENTS; PACKING; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; PERFORMING OPERATIONS; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS; POLISHES; PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF; STORING; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; TRAPPING; USE OF MATERIALS THEREFOR; WOODSTAINS

Water-soluble or water-dispersible, film-forming graft copolymers obtainable by free-radical polymerization of a) vinyl esters of aliphatic C1-C24-carboxylic acids in the presence of b) polyethers with an average molecular weight (number average) of at least 300 of the formula I R -( R -O u R -O v R -O w A R<5-O >x R -O y R -O z sR )n I in which the variables independently of one another have the following meanings: R is hydroxyl, amino, C1-C24-alkoxy, R -COO-, R -NH-COO-, polyalcohol residue; R to R are -(CH2)2-, -(CH2)3-, -(CH2)4-, -CH2-CH(CH3)-, -CH2-CH(CH2-CH3)-, -CH2-CHOR -CH2-; R is hydrogen, amino-C1-C6-alkyl, C1-C24-alkyl, R -CO-, R -NH-CO-; R is C1-C24-alkyl; R is hydrogen, C1-C24-alkyl, R -CO-; A is -CO-O-, -CO-B-CO-0-, -CO-NH-B-NH-CO-0-; B is -(CH2)t-, unsubstituted or substituted arylene; n is 1 or, if R is a polyalcohol residue, 1 to 8; s is 0 to 500; t is 1 to 12; u is 1 to 50