发明授权
- 专利标题： Short glass fibers covered with polymeric materials
- 专利标题（中）： 用聚合材料覆盖的短玻璃纤维
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申请号： US561827申请日： 1975-03-25
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公开(公告)号： US4055611A公开(公告)日： 1977-10-25
- 发明人: Uwe Hucks , Hugo Vernaleken
- 申请人： Uwe Hucks , Hugo Vernaleken
- 申请人地址： DT Leverkusen
- 专利权人： Bayer Aktiengesellschaft
- 当前专利权人： Bayer Aktiengesellschaft
- 当前专利权人地址： DT Leverkusen
- 优先权： DT2414804 19740327
- 主分类号： D01F9/12
- IPC分类号： D01F9/12 ; C03C25/26 ; D01F11/14 ; D04H1/42 ; B29C3/00 ; B22D13/04 ; B22D19/00 ; B22D23/08
摘要：
This invention provides spheres of high molecular weight thermoplastics filled with short glass fibers which may be easily metered, incorporated into thermoplastic resins or fused into glass mats or shaped articles. It also provides a method of producing such spheres by treating glass fibers with a dilute (1 to 30 wt% strength) solution of the plastic having a viscosity of less than 1,000 cP. The fibers are rotated with the polymer solution and the solvent is subsequently evaporated off. Preferably, the coating plastic is a high molecular weight thermoplastic.
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