03.25.14
U.S. 8,598,253 B2
SK Innovation has been granted a patent for a paint composition comprised of a polypropylene carbonate resin as a main component, a cross-linking agent and a hardening catalyst, wherein the polypropylene carbonate resin has a weight average molecular weight of 50,000 to 150,000 g/mole and including hydroxy groups at both ends of a molecular chain thereof, and the hardening catalyst is at least one selected from dodecylbenzenesulfonic acid, p-toluene sulfonic acid, dinonyl dinaphthalene sulfonic acid, and dinaphthalene disulfonic acid.
SK Innovation has been granted a patent for a paint composition comprised of a polypropylene carbonate resin as a main component, a cross-linking agent and a hardening catalyst, wherein the polypropylene carbonate resin has a weight average molecular weight of 50,000 to 150,000 g/mole and including hydroxy groups at both ends of a molecular chain thereof, and the hardening catalyst is at least one selected from dodecylbenzenesulfonic acid, p-toluene sulfonic acid, dinonyl dinaphthalene sulfonic acid, and dinaphthalene disulfonic acid.