AMINOPLAST MOLDING COMPOUNDS FOR PRODUCTS EXHIBITING AN IMPROVED FLEXIBILITY AND AMINOPLAST PRODUCTS EXHIBITING AN IMPROVED FLEXIBILITY

摘要

The invention relates to aminoplast molding compounds that are comprised ofmixtures consisting of meltable 20 to 1000-ring polytriazine ethers, in whichthetriazine rings are primarily linked by binding links of the NH-CHR2-O-R4-O-CHR2-NH- and -NH-CHR2-NH- type, whereby: R2 = H, C1-C7 alkyl; R4 = C2-C18 alkylene,-CH(CH3)-CH2-O-SBC2-C12/SB-alkylene-O-CH2-CH(CH3)-, -CH(CH3)-CH2-O-SBC2-C12/SB-arylene-O-CH2-CH(CH3)-, -[CH2-CH2-O-CH2-CH2]n-, -[CH2-CH(CH3)-O-CH2-CH(CH3)] n-, -[-O-CH2-CH2-CH2-CH2-]n-, -[(CH2)2-8-O-CO-SBC6-C14/SB-arylene-CO-O-(CH2)2-8-]n-, -[(CH2)2-8-O-CO-SBC2-C12/SB-alkylene-CO-O-(CH2)2-8-]n-, in which n = 1 to 200. The aminoplastmolding compounds are also comprised of sequences containing siloxane groups,sequences based on the alkylene oxide adducts of melamine, phenol ethersequencesbased on bivalent phenols and diols, and these compounds can contain up to 50% bymass of additional reactive polymers of the ethylene-copolymer, maleicanhydride-copolymer, modified maleic anhydride-copolymer, and up to 5 % by mass ofstabilizers, UV absorbers and/or auxiliary agents. The invention also relatestoaminoplast products that exhibit an improved flexibility such as panels,pipes, profiledpieces, coatings, foam materials, fibers or injection-molded parts, which canbeproduced by thermoplastic processing the inventive molding compounds. Theaminoplast molding compounds can be processed according to conventional meltprocessing methods and can be used as hot-melt adhesives and for producingpanels,pipes, profiled pieces, injection-molded parts, fibers and foam materials. Theaminoplast products, which exhibit an improved flexibility while meeting highrequirements with regard to flame resistance and heat resistance, are used intheconstruction industry, mechanical engineering, automotive industry and fire-protection engineering.