发明授权
US08309190B2 Rotational molded article formed from high molecular weight polyamides
有权
由高分子量聚酰胺形成的旋转模塑制品
- 专利标题： Rotational molded article formed from high molecular weight polyamides
- 专利标题（中）： 由高分子量聚酰胺形成的旋转模塑制品
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申请号： US13203260申请日： 2010-02-24
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公开(公告)号： US08309190B2公开(公告)日： 2012-11-13
- 发明人: John C. Chen , Barbara Ramfel , Bruce Clay , William Todd Rogers
- 申请人： John C. Chen , Barbara Ramfel , Bruce Clay , William Todd Rogers
- 申请人地址： US PA King of Prussia
- 专利权人： Arkema Inc.
- 当前专利权人： Arkema Inc.
- 当前专利权人地址： US PA King of Prussia
- 代理商 Thomas F. Roland
- 国际申请： PCT/US2010/025165 WO 20100224
- 国际公布： WO2010/099155 WO 20100902
- 主分类号： B29D22/00
- IPC分类号： B29D22/00 ; B29D23/00 ; B32B1/08
摘要：
The invention relates to an article formed by a rotational molding process, having at least one layer formed from a high molecular weight polyamide. The high molecular weight polyamide is one having a molecular weight in the range of 20,000 to 35,000 and also having an inherent viscosity of 1.05-1.60 dL/g. Rotomolded articles having a high molecular weight polyamide layer have better low-temperature impact performance compared to articles formed from lower molecular weight polyamides.
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