Morgan Lewis & Bockius LLP
Polypropylene-based resin composition for powder slush molding
A polyproplylene-based resin composition for powder slush molding which is a mixture of a polypropylene homopolymer, copolymer, or terpolymer; an olefin rubber; a styrene rubber; a process oil; and a polypropylene wax, wherein the composition is excellent in low-temperature impact resistance and heat resistance and has no offensive odor. The composition can be formed by a cryofreeze pulverization method in the presence of liquid nitrogen into a powder having an average particle size of 200 to 300 μm suitable for powder slush molding. The powder can be adhered to a polyurethane foamed layer and a surface treating agent without a primer coating. The powder is particularly suitable for forming the interior surface for manufacture of an automobile surface such as an instrument panel.
Hyundai Motor Company
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Seung-Wook Kie Youn
Lee Jeong