Hyperbranched polyester polyols suitable for organic solvent-based two-component polyurethane coating compositions

• Main Authors: ROLLER SEBASTIAN, GALE, FRANK, L, NEU OLIVER
• Format: Patent
• Language: Chinese; English
• Published: 01.11.2022
• Subjects: ADHESIVES; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; COMPOSITIONS BASED THEREON; CORRECTING FLUIDS; DYES; FILLING PASTES; INKS; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; POLISHES; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF MATERIALS THEREFOR; WOODSTAINS

The invention relates to polyester polyols comprising units derived from: a) at least one component or a mixture of components (A) bearing COOH groups or derivatives thereof, comprising at least one compound (A1) bearing two COOH groups or derivatives thereof; b) at least one component or mixture of components (B) bearing OH groups, comprising (i) at least one compound (B1) bearing three OH groups, selected from the group consisting of 1, 3, 5-tris (hydroxymethyl) isocyanurate, 1, 3, 5-tris (2-hydroxyethyl) isocyanurate, 1, 3, 5-tris (2-hydroxyisopropyl) isocyanurate, 1, 3, 5-tris (2-hydroxypropyl) isocyanurate and 1, 3, 5-tris (2-hydroxybutyl) isocyanurate; (ii) at least one compound (B2) bearing two OH groups, selected from the group consisting of 1, 1-bis (hydroxymethyl)-cyclohexane, 1, 2-bis (hydroxymethyl)-cyclohexane, 1, 3-bis (hydroxymethyl)-cyclohexane, 1, 4-bis (hydroxymethyl)-cyclohexane, 1, 1-bis (hydroxyethyl)-cyclohexane, 1, 2-bis (hydroxyethyl)-cyclohexane, 1, 3-bis (hydroxyethyl)-cyclohexane an