摘要:
Reinforcing glass yarn, the composition of which comprises the following constituents, within the limits defined below, expressed in percentages by weight: SiO254.5 to 58% Al2O312 to 15.5% SiO2 + Al2O370 to 73% CaO17 to 25% MgO0 to 5% RO = CaO + MgO21 to 28% R2O = Na2O + K2O + Li2Oup to 2% TiO2less than 1% Fe2O3less than 0.5% B2O3up to 3% F2less than 1% and such that the ratio R1=Al2O3/CaO is less than 0.7, and when SiO2 is greater than 57% the amount of boron oxide B2O3 is greater than 2%.
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:
Glass reinforcement strand, the composition of which comprises the following constituents, within the limits defined below, expressed as percentages by weight: SiO250 to 60%, preferably SiO2 ≧ 52% and/or SiO2 ≦ 57%; Al2O310 to 19%, preferably Al2O3 ≧ 13% and/or Al2O3 ≦ 17%; B2O316 to 25%; ZrO20.5 to 1.5%; Na2O≦1.5%, preferably Na2O ≦ 0.8%; K2O≦1.5%, preferably K2O ≦ 0.8%; R2O≦2%, preferably R2O ≦ 1%; CaO≦10%; MgO≦10%; F0 to 2%; TiO20 to 3%; RO4 to 15%, preferably RO ≧ 6% and/or RO ≦ 10%; and Various≦3%, where R2O = Na2O + K2O + Li2O, and RO = CaO + MgO. The dielectric properties of such glass compositions are particularly advantageous in the MHz and GHz ranges.
摘要翻译:玻璃增强线,其组成包含以下限定的下列成分,以重量百分比表示:SiO 2 50至60%,优选SiO 2 = 52%和/或SiO 2 Al 2 O 3 10至19%,优选Al 2 O 3> = 13%和/或Al 2 O 3 B 2 O 3 16〜25% ZrO2 0.5〜1.5%; Na2O K2O R2O CaO MgO F 0〜2%; TiO2 0〜3%; RO 4〜15%,优选RO> = 6%和/或RO各种,其中R2O = Na2O + K2O + Li2O,RO = CaO + MgO。 这种玻璃组合物的介电性能在MHz和GHz范围内是特别有利的。
摘要:
The invention relates to glass reinforcement strands, the composition of which comprises the following constituents in the limits defined below, expressed as percentages by weight: 59 to 63% SiO2; 10 to 16% Al2O3; 16 to 23% CaO; 1 to 3.2% MgO; 0 to 2% Na2O+K2O+Li2O; 0 to 1% TiO2; 0.1 to 1.8% B2O3; 0 to 0.5% Li2O; 0 to 0.4% ZnO; 0 to 1% MnO; and 0 to 0.5% F. These strands have improved properties in terms of mechanical strength, acid resistance and high-temperature resistance for a low-cost composition. The invention also relates to a process for producing the said strands and to the composition allowing them to be produced.
摘要翻译:本发明涉及玻璃增强线,其组成包括以下限定的以下组分,以重量百分比表示:59至63%的SiO 2; 10至16%的Al 2 O 3 3; 16〜23%的CaO; 1〜3.2%MgO; 0至2%Na 2 O + K 2 O + Li 2 O; 0至1%TiO 2; 0.1至1.8%B 2 O 3 3; 0至0.5%Li 2 O; 0〜0.4%ZnO; 0〜1%MnO; 和0至0.5%F.这些线条对于低成本组合物在机械强度,耐酸性和耐高温性方面具有改进的性能。 本发明还涉及一种生产所述丝束的方法以及允许其生产的组合物。
摘要:
The invention relates to glass reinforcing yams, the composition of which comprises the following constituents, within the limits defined below, expressed in percentages by weight: SiO250-65% Al2O312-20% CaO13-16% MgO 6-12% B2O30-3% TiO20-3% Na2O + K2O
摘要:
Glass reinforcement strand, the composition of which comprises the following constituents, within the limits defined below, expressed as percentages by weight: SiO250 to 60%, preferably SiO2 ≧ 52% and/or SiO2 ≦ 57%; Al2O310 to 19%, preferably Al2O3 ≧ 13% and/or Al2O3 ≦ 17%; B2O316 to 25%; ZrO20.5 to 1.5%; Na2O≦1.5%, preferably Na2O ≦ 0.8%; K2O≦1.5%, preferably K2O ≦ 0.8%; R2O≦2%, preferably R2O ≦ 1%; CaO≦10%; MgO≦10%; F0 to 2%; TiO20 to 3%; RO4 to 15%, preferably RO ≧ 6% and/or RO ≦ 10%; and Various≦3%, where R2O = Na2O + K2O + Li2O, and RO = CaO + MgO. The dielectric properties of such glass compositions are particularly advantageous in the MHz and GHz ranges.
摘要:
The invention relates to glass reinforcement strands, the composition of which comprises the following constituents in the limits defined below, expressed as percentages by weight: 59 to 63% SiO2; 10 to 16% Al2O3; 16 to 23% CaO; 1 to 3.2% MgO; 0 to 2% Na2O+K2O+Li2O; 0 to 1% TiO2; 0.1 to 1.8% B2O3; 0 to 0.5% Li2O; 0 to 0.4% ZnO; 0 to 1% MnO; and 0 to 0.5% F. These strands have improved properties in terms of mechanical strength, acid resistance and high-temperature resistance for a low-cost composition. The invention also relates to a process for producing the said strands and to the composition allowing them to be produced.
摘要:
The invention relates to glass reinforcement strands, the composition of which comprises the following constituents in the limits defined below, expressed as percentages by weight: 58 to 63% SiO2; 10 to 16% Al2O3; 16 to 23% CaO; 0.5 to 3.5% MgO; 0 to 2% Na2O+K2O+Li2O; 1 to 1.5% TiO2; 0 to 1.5% B2O3; 0 to 0.4% Li2O; 0 to 0.4% ZnO; 0 to 1% MnO; and 0 to 0.5% F. These strands have improved properties in terms of mechanical strength, acid resistance and high-temperature resistance for a low-cost composition. The invention also relates to a process for producing the said strands and to the composition allowing them to be produced.
摘要:
The invention relates to glass reinforcement strands, the composition of which comprises the following constituents in the limits defined below, expressed as percentages by weight: 58 to 63% SiO2; 10 to 16% Al2O3; 16 to 23% CaO; 0.5 to 3.5% MgO; 0 to 2% Na2O+K2O+Li2O; 1 to 1.5% TiO2; 0 to 1.5% B2O3; 0 to 0.4% Li2O; 0 to 0.4% ZnO; 0 to 1% MnO; and 0 to 0.5% F. These strands have improved properties in terms of mechanical strength, acid resistance and high-temperature resistance for a low-cost composition. The invention also relates to a process for producing the said strands and to the composition allowing them to be produced.
摘要翻译:本发明涉及玻璃增强线,其组成包括以下限定的以下组分,以重量百分数表示:58至63%的SiO 2; 10至16%的Al 2 O 3 3; 16〜23%的CaO; 0.5〜3.5%MgO; 0至2%Na 2 O + K 2 O + Li 2 O; 1至1.5%TiO 2; 0至1.5%B 2 O 3 3 0至0.4%的Li 2 O; 0〜0.4%ZnO; 0〜1%MnO; 和0至0.5%F.这些线条对于低成本组合物在机械强度,耐酸性和耐高温性方面具有改进的性能。 本发明还涉及一种生产所述丝束的方法以及允许其生产的组合物。