Composite laminate structures especially useful for automotive trim components, and methods and tie layers employed to make the same

   
   

Laminates include a thermoplastic substrate layer, a clear coat layer, and a tie layer. The tie layer most preferably includes an adhesive-enhancing effective amount of a maleic anhydride grafted styrenic block copolymer which adhesively bonds the substrate and clear coat layers one to another. Advantageously, the tie layer includes a blend of the styrenic block copolymer and a diamine, especially 2-methylpentamethylenediamine. The laminate may be employed to manufacture a variety of shaped articles, most preferably automotive trim components.

Lamina incluyen una capa termoplástica del substrato, una capa clara de la capa, y una capa del lazo. La capa del lazo preferiblemente incluye una cantidad eficaz pegamento-que realza de un copolímero styrenic injertado anhídrido maleic del bloque que adhesivo enlace el substrato y las capas claras uno de la capa a otro. Ventajoso, la capa del lazo incluye una mezcla del copolímero styrenic y de una diamina, especialmente 2-methylpentamethylenediamine del bloque. El laminado se puede emplear para fabricar una variedad de artículos formados, preferiblemente componentes automotores del ajuste.

 
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