发明名称 |
Process for producing molding product |
摘要 |
A process for producing a hollow or sheet molded product having a superior appearance is provided, which process is characterized in that a multi-layer molded product having a surface layer (A) of a propylene random polymer of m.p. of 100 DEG to 150 DEG C. having a thickness of 1 to 20% of that of the molded product, and a substrate layer (B) of a thermoplastic resin of a m.p. higher than that of the propylene random polymer is formed and the surface layer (A) is heat-treated into a molten state, followed by immediately cooling to form a smooth surface.
|
申请公布号 |
US5458845(A) |
申请公布日期 |
1995.10.17 |
申请号 |
US19930113226 |
申请日期 |
1993.08.27 |
申请人 |
CHISSO CORPORATION |
发明人 |
ISHII, HIROHISA;NISHIDA, TOSHIHIKO;GOHDA, KUNIO |
分类号 |
B29C35/04;B29C59/00;B29C71/02;(IPC1-7):B29C71/00 |
主分类号 |
B29C35/04 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|