发明授权
EP1434676B1 OPTIMIZATION OF IN-MOLD COATING INJECTION MOLDED THERMOPLASTIC SUBSTRATES
有权
注射IMC-涂覆工艺的改进模制的热塑性SUBSTRATES
- 专利标题: OPTIMIZATION OF IN-MOLD COATING INJECTION MOLDED THERMOPLASTIC SUBSTRATES
- 专利标题(中): 注射IMC-涂覆工艺的改进模制的热塑性SUBSTRATES
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申请号: EP02706235.5申请日: 2002-02-11
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公开(公告)号: EP1434676B1公开(公告)日: 2007-05-30
- 发明人: MCBAIN, Douglas, S. , STRAUS, Elliott, J. , THOMPSON, John, A.
- 申请人: OMNOVA SOLUTIONS INC.
- 申请人地址: 175 Ghent Road Fairlawn, Ohio 44333-3300 US
- 专利权人: OMNOVA SOLUTIONS INC.
- 当前专利权人: OMNOVA SOLUTIONS INC.
- 当前专利权人地址: 175 Ghent Road Fairlawn, Ohio 44333-3300 US
- 代理机构: Morf, Jan Stefan
- 优先权: US974644 20011009
- 国际公布: WO2003031138 20030417
- 主分类号: B29C37/00
- IPC分类号: B29C37/00 ; B29C45/16
摘要:
The present invention is a process for producing an injection-molded thermoplastic workpiece having a thermoset coating bonded thereto, comprising the steps of introducing in three stages into a closed mold a thermoplastic material, such as a polyolefin, heated to a temperature above its melting point and molding said material to form o workpiece; cooling the workpiece to a temperature less than its melt temperature introducing a thermoset coating composition into the closed mold to cover at least a portion of a surface of the workpiece. The mold is then opened and the workpiece is removed after the coating composition has at least partially cured. The invention is also directed to a molded article made by the described process.
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