AGENTES RETICULANTES DE POLIAMIDAS OLIGOMERICAS ESTERICAMENTE IMPEDIDAS Y COMPOSICIONES DE REVESTIMIENTO QUE LOS CONTIENEN

• Main Authors: NOOMEN, ARIE, MEZGER, THOMAS, HOBEL, KLAUS, VAN DEN BERG, KEIMPE, JAN
• Format: Patent
• Language: Spanish
• Published: 01.04.1998
• Edition: 6
• Subjects: ADHESIVES; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; CORRECTING FLUIDS; DYES; FILLING PASTES; INKS; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; 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

LA PRESENTE INVENCION SE REFIERE A COMPOSICIONES DE REVESTIMIENTO QUE INCLUYEN UNA CLASE PARTICULAR DE POLIAMIDAS OLIGOMERICAS ESTERICALMENTE IMPEDIDAS COMO SUSTITUTOS DE LOS ENTRECRUZADORES DE POLIAMIDAS EN BLOQUE Y NO EN BLOQUE TRADICIONALES. EL USO DE ESTOS ENTRECRUZADORES DE POLIAMIDAS OLIGOMERICAS ESTERICALMENTE IMPEDIDAS DA COMO RESULTADO UNA RELACION DE DURACION DEL CRISOL/VELOCIDAD DE CURACION QUE NO SE ENCUENTRA GENERALMENTE DISPONIBLE CON LOS ENTRECRUZADORES DE POLIAMIDAS NO EN BLOQUE TRADICIONALES, ASI COMO UN MENOR VOC Y A MENUDO MEJORES CARACTERISTICAS DE ASPECTO QUE LAS GENERALMENTE DISPONIBLES CON LAS VARIEDADES EN BLOQUE TRADICIONALES. PCT No. PCT/EP94/00015 Sec. 371 Date Aug. 28, 1995 Sec. 102(e) Date Aug. 28, 1995 PCT Filed Jan. 4, 1994 PCT Pub. No. WO94/15974 PCT Pub. Date Jul. 21, 1994The present invention relates to coating compositions including a particular class of oligomeric sterically hindered polyamines as replacements for traditional blocked and unblocked polyamine crosslinkers. The use of these oligomeric sterically hindered polyamine crosslinkers resultss in a desirable pot life/cure speed relationship not generally available with traditional unblocked polyamine crosslinkers, as well as a lower VOC and often better appearance characteristics than generally available with the traditional blocked varieties.