MICROCAPSULAS E PROCESSO PARA SUA PREPARACAO

• Main Authors: SCHAFER W, DAHM M, BAATZ G
• Format: Patent
• Language: Portuguese
• Published: 15.08.1978
• Edition: 2
• Subjects: AGRICULTURE; ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES; ANIMAL HUSBANDRY; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES; CANDLES; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; COLOUR PRINTING; COMPOSITIONS BASED THEREON; DETERGENTS; ESSENTIAL OILS; FATTY ACIDS THEREFROM; FISHING; FORESTRY; HUMAN NECESSITIES; HUNTING; LINING MACHINES; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; PERFUMES; PEST REPELLANTS OR ATTRACTANTS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; PLANT GROWTH REGULATORS; PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF; PRINTING; PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; PRODUCING (PRESSING, EXTRACTION), REFINING AND PRESERVINGFATS, FATTY SUBSTANCES (e.g. LANOLIN), FATTY OILS AND WAXES,INCLUDING EXTRACTION FROM WASTE MATERIALS; STAMPS; THEIR PREPARATION OR CHEMICAL WORKING-UP; THEIR RELEVANT APPARATUS; TRANSPORTING; TRAPPING; TYPEWRITERS

Microcapsules and a process for the production of these microcapsules the walls of which consist of polycondensates of a film-forming aliphatic polyisocyanate containing at least one biuret group or polyaddition products thereof with a chain-extending agent.