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公开(公告)号:US6136735A
公开(公告)日:2000-10-24
申请号:US284976
申请日:1999-09-02
CPC分类号: C03C13/00
摘要: The present invention relates to reinforcing glass yarns, the composition of which comprises the following constituents within the limits defined hereinbelow, expressed in percentages by weight:______________________________________ SiO.sub.2 58 to 62% Al.sub.2 O.sub.3 10 to 16% CaO more than 18% MgO more than 1.5% CaO + MgO less than 28% Na.sub.2 O + K.sub.2 O + Li.sub.2 O less than 2% TiO.sub.2 less than 1.5% Fe.sub.2 O.sub.3 less than 0.5% B.sub.2 O.sub.3 less than 2% F.sub.2 less than 2% ______________________________________ this composition furthermore comprising less than 1% of other constituent(s) and comprising more than 0.5% of at least one of the three components F.sub.2, B.sub.2 O.sub.3 and Li.sub.2 O.These yarns have a composition providing an excellent compromise between its cost and its fiberizability.
摘要翻译: PCT No.PCT / FR98 / 01932 Sec。 371 1999年9月2日第 102(e)1999年9月2日PCT PCT 1998年9月10日PCT公布。 公开号WO99 / 12858 1999年3月18日本发明涉及增强玻璃纱线,其组成包括以下限定的以下成分,以重量百分数表示:-SiO 2 58至62%-Al 2 O 3 10至16% - CaO多于 18% - MgO超过1.5% - CaO + MgO小于28% - Na2O + K2O + Li2O小于2% - 小于1.5%的TiO2 - 小于0.5%的Fe2O3小于2%的小于2%的F 2小于2% - 该组合物还包含少于1%的其它组分,并且包含多于0.5%的三种组分F2,B2O3和Li2O中的至少一种。 这些纱线具有在其成本和其可纤维性之间提供极好的折中的组合。