| 摘要 |
<p>A thermoplastic methacrylimide group-containing resin composition comprised of (a) a methacrylimide group-containing polymer comprising 5 to 100% by weight of units of an imide ring structure represented by the following structural formula (I): <CHEM> wherein R1 stands for a hydrogen atom, a substituted or unsubstituted alkyl, cycloalkyl, aryl, alkaryl, aralkyl or allyl group having 1 to 20 carbon atoms, and 0 to 95% by weight of units derived from at least one monoethylenically unsaturated monomer, and (b) a small amount of a tetramethylpiperidine derivative is described. A shaped article made from this composition has a highly improved weatherability.</p> |
