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    • 5. 发明申请
    • GLASS FIBER BUNDLES FOR MAT APPLICATIONS AND METHODS OF MAKING THE SAME
    • 用于MAT应用的玻璃纤维套件及其制造方法
    • WO2007032988A1
    • 2007-03-22
    • PCT/US2006/034795
    • 2006-09-08
    • OWENS CORNINGHAGER, William, G.ADZIMA, Leonard, J.WALDEN, Douglas, H.SHIPP, David, L.
    • HAGER, William, G.ADZIMA, Leonard, J.WALDEN, Douglas, H.SHIPP, David, L.
    • C03C25/26C03C25/32C03C25/36C03C25/12
    • C03C25/26C03C25/12C03C25/323C03C25/326C03C25/36F26B3/347F26B13/001F26B17/04Y10T428/249924
    • Dried bundles of chopped glass fibers that may be used in mat forming applications is provided. The chopped glass fiber bundles (42) are formed of individual glass fibers (12) positioned in a substantial parallel orientation. The dried chopped glass fiber bundles may be prepared by applying a size composition to attenuated glass fibers, splitting the fibers to obtain a desired bundle tex, chopping the wet glass bundles to a discrete length, and drying the wet glass bundles in a dielectric oven, a Cratec® oven, or a rotating tray oven. Alternatively, the dried chopped glass bundles may be prepared by sizing attenuated glass fibers, passing the sized fibers through a heat transfer chamber where air heated by a bushing is drawn into the heat transfer chamber to dry the glass fiber bundles, splitting the dried, sized glass fiber bundles to obtain a desired bundle tex, and chopping the dried bundles of glass fibers. The sizing composition includes : one or more film-forming agents selected from the group consisting of a polyrethane film-former, an unasturated polyester or an epoxy resin.
    • 提供了可用于成型应用的干燥的玻璃纤维束。 短切的玻璃纤维束(42)由位于大致平行取向的单个玻璃纤维(12)形成。 干燥的短切玻璃纤维束可以通过将尺寸组合物应用于减弱的玻璃纤维,分裂纤维以获得期望的束tex,将湿玻璃束切割成不连续的长度,以及在电介质烘箱中干燥湿玻璃束来制备, Cratec®烤箱或旋转托盘烤箱。 或者,干燥的短切玻璃束可以通过对减弱的玻璃纤维进行定径来制备,使尺寸尺寸的纤维通过传热室,其中由衬套加热的空气被吸入传热室以干燥玻璃纤维束,将干燥的尺寸 玻璃纤维束以获得所需的束tex,并切割干燥的玻璃纤维束。 上浆组合物包括:一种或多种选自聚丙烯酸成膜剂,未饱和聚酯或环氧树脂的成膜剂。