NEUE, SCHWEFELHALTIGE ISOCYANATO-ISOCYANURATE, EIN VERFAHREN ZU IHRER HERSTELLUNG UND IHRER VERWENDUNG ALS AUFBAUKOMPONENTE BEI DER HERSTELLUNG VON POLYURETHANKUNSTSTOFFEN

• Main Authors: BOCK,MANFRED,DR, GROEGLER,GERHARD,DR, SCHWINDT,JUERGEN,DR, RIBERI,BERND,DR
• Format: Patent
• Language: German
• Published: 09.06.1982
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; HETEROCYCLIC COMPOUNDS; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC CHEMISTRY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP

New isocyanurates have formula (I) (where R is -R'-S-R"-. R' is an opt. inert substit.-contg. phenylene gp. R" is either a satd. 2-12C aliphatic hydrocarbyl in which at least 2C are situated between the free bond and the S- atom, or an opt. inert substit.-contg. p-phenylene gp. Index n is an integer, or in random average, a fraction 1-5). (I) are used as isocyanate components in polyurethane resin prepn., e.g. for lacquer coatings, foams or massive shaped articles. (I) have a partic. low content of initial isocyanate; are transparent and form transparent solns. in lacquer solvents. Polyurethanes prepd. with (I) have higher flame-resistance than polyurethanes prepd. from diisocyanotoluene- or -diphenyl methane-derived isocyanurates.