Abstract:
Some embodiments of the present invention provide fiberizable glass compositions formed from batch compositions comprising amounts of one or more glassy minerals, including perlite and/or pumice. Some embodiments of the present invention related to glass fibers formed from such batch compositions, and composites and other materials incorporating such glass fibers.
Abstract:
Provided are a sizing agent for quartz glass fibers capable of suppressing charging of quartz glass fibers, and suppressing generation of fluff in a production process for quartz glass fibers and a weaving process for a quartz glass cloth, a quartz glass fiber or a quartz glass yarn having applied thereonto the sizing agent, a quartz glass cloth, a prepreg for a printed circuit board, and a product using the quartz glass fiber. The sizing agent for quartz glass fibers includes an aqueous solution containing: a cationic vinyl acetate copolymer emulsion in which a cationic vinyl acetate copolymer having a weight average molecular weight of from 5,000 to 500,000 is dispersed in water; and starch, in which emulsion particles of the cationic vinyl acetate copolymer emulsion have a 50% diameter on a volume basis of from 0.1 μm to 5 μm.
Abstract:
A composition for preparing high-performance glass fiber by tank furnace production comprising in preferred percentage by weight: 57.5˜62.5% of SiO2,14.5˜17.5% of Al2O3,13.5˜17.5% of CaO,6.5˜8.5% of MgO,0.05˜0.6% of Li2O,0.1˜2% of B2O3,0.1˜2% of TiO2,0.1˜2% of Na2O,0.1˜1% of K2O and 0.1˜1% of Fe2O3 and (CaO+MgO)/MgO>3, with the content of at least one of the three components, Li2O, B2O3 and TiO2higher than 0.5%, with the composition yielding glass fiber having improved mechanical property, causing the melting and clarification of glass and forming performance of fiber close to those of boron-free E glass, and facilitating industrial mass production by tank furnace processes with manufacturing costs close to those of conventional E glass.
Abstract:
SUMMARY OF THE INVENTIONThe present invention relates to a compound for medical and dental use made from glass or quartz fiber and light curing liquid resin; the design of dental structures in the mouth and outside the mouth using said compound; and the presentation of the compound as a treatment method.
Abstract:
The invention relates to a raw material charge for a melt for producing continuous mineral fibers, containing 30% to 70% basalt and/or diabase, 8% to 40% quartz components, in particular quartz sand, and 5% to 30% slag, in particular blast furnace slag, the use thereof and a method of producing continuous mineral fibers from a melt, the melt being formed from raw material comprising 30% to 70% basalt and/or diabase, 8% to 40% quartz components, in particular quartz sand, and 5% to 30% slag, in particular blast furnace slag.
Abstract:
The invention relates to a melt composition for the production of man-made vitreous fibers and man-made vitreous fibers comprising the following oxides, by weight of composition: SiO239-43 weight % Al2O320-23 weight % TiO2up to 1.5 weight % Fe2O35-9 weight %, preferably 5-8 weight % CaO8-18 weight % MgO5-7 weight % Na2Oup to 10 weight %, preferably 2-7 weight % K2Oup to 10 weight %, preferably 3-7 weight % P2O5up to 2% MnOup to 2% R2Oup to 10 weight % wherein the proportion of Fe(2+) is greater than 80% based on total Fe and is preferably at least 90%, more preferably at least 95% and most preferably at least 97% based on total Fe.
Abstract:
A composition for preparing high-performance glass fiber by tank furnace production comprising in preferred percentage by weight: 57.5˜62.5% of SiO2, 14.5˜17.5% of Al2O3, 13.5˜17.5% of CaO, 6.5˜8.5% of MgO, 0.05˜0.6% of Li2O, 0.1˜2% of B2O3, 0.1˜2% of TiO2, 0.1˜2% of Na2O, 0.1˜1% of K2O and 0.1˜1% of Fe2O3 and (CaO+MgO)/MgO>3, with the content of at least one of the three components, A2O, B2O3 and TlO2 higher than 0.5%, with the composition yielding glass fiber having improved mechanical property, causing the melting and clarification of glass and forming performance of fiber close to those of boron-free E glass, and facilitating industrial mass production by tank furnace processes with manufacturing costs close to those of conventional E glass.
Abstract translation:一种通过槽式炉生产制备高性能玻璃纤维的组合物,其重量百分比优选为:57.5〜62.5%的SiO 2,14.5〜17.5%的Al 2 O 3,13.5〜17.5%的CaO,6.5〜8.5%的MgO,0.05〜 0.6%的Li2O,0.1〜2%的B2O3,0.1〜2%的TiO2,0.1〜2%的Na2O,0.1〜1%的K2O和0.1〜1%的Fe2O3和(CaO + MgO)/ MgO3, 其中A 2 O,B 2 O 3和T 10 O 3中的至少一种成分的含量高于0.5%,组合物产生玻璃纤维具有改善的机械性能,导致玻璃的熔化和澄清,并且形成接近硼的纤维的形成性能 无需E玻璃,并通过罐式炉工艺促进工业批量生产,制造成本接近常规E玻璃。
Abstract:
The subject of the invention is a mineral wool, the glass fibers of which have a chemical composition substantially free of boron oxide and comprising the following constituents in the limits defined below, expressed in percentages by weight: 60 to 75 SiO2; 0 to 4 Al2O3; 17 to 22 Na2O; 5 to 15 CaO; 0 to 2 Fe2O3; and 0 to 3 P2O5.
Abstract:
Glass compositions are provided that are useful in electronic applications, e.g., as reinforcements in printed circuit board substrates. Reduced dielectric constants are provided relative to E-glass, and fiber forming properties are provided that are more commercially practical than D-glass.
Abstract:
Provided is a mineral wool that includes recycled material. The mineral wool is characterized by an acid to base ratio within a specified range. Also provided is a method of manufacturing the mineral wool that includes selection of post-consumer or post-industrial recyclable materials. Application of the mineral wool to products such as an acoustical ceiling panel is also provided.