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1. WO2020112398 - HIGH PERFORMANCE FIBERGLASS COMPOSITION WITH IMPROVED ELASTIC MODULUS

Publication Number WO/2020/112398
Publication Date 04.06.2020
International Application No. PCT/US2019/061923
International Filing Date 18.11.2019
IPC
C03C 3/095 2006.01
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
CCHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
3Glass compositions
04containing silica
076with 40% to 90% silica by weight
095containing rare earths
C03C 3/097 2006.01
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
CCHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
3Glass compositions
04containing silica
076with 40% to 90% silica by weight
097containing phosphorus, niobium or tantalum
CPC
C03B 37/02
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
37Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
01Manufacture of glass fibres or filaments
02by drawing or extruding, ; e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
C03C 13/00
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
CCHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
13Fibre or filament compositions
C03C 2213/00
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
CCHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
2213Glass fibres or filaments
C03C 3/085
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
CCHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
3Glass compositions
04containing silica
076with 40% to 90% silica, by weight
083containing aluminium oxide or an iron compound
085containing an oxide of a divalent metal
C03C 3/087
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
CCHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
3Glass compositions
04containing silica
076with 40% to 90% silica, by weight
083containing aluminium oxide or an iron compound
085containing an oxide of a divalent metal
087containing calcium oxide, e.g. common sheet or container glass
C03C 3/095
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
CCHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
3Glass compositions
04containing silica
076with 40% to 90% silica, by weight
095containing rare earths
Applicants
  • OCV INTELLECTUAL CAPITAL, LLC [US]/[US]
Inventors
  • KORWIN-EDSON, Michelle, L.
Agents
  • RAULERSON, Billy, C.
Priority Data
62/771,25026.11.2018US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) HIGH PERFORMANCE FIBERGLASS COMPOSITION WITH IMPROVED ELASTIC MODULUS
(FR) COMPOSITION DE FIBRE DE VERRE À HAUTE PERFORMANCE COMPRENANT UN MODULE D’ÉLASTICITÉ AMÉLIORÉ
Abstract
(EN)
A glass composition is provided that includes SiO2 in an amount from 50.0 to 65.0 % by weight; AI2O3 in an amount from 18.0 to 23.0% by weight; CaO in an amount from 1 to 8.5% by weight; MgO in an amount from 9.0 to 14.0% by weight; Na20 in an amount from 0.0 to 1.0% by weight; K2O in an amount from 0.0 to 1.0% by weight; Li2O in an amount from 0.1 to 4.0% by weight; TiO2in an amount from 0.0 to 2.5% by weight, Y2O3 in an amount from 0 to 10.0 % by weight; La2O3 in an amount from 0 to 10.0 % by weight; Ce2Ch in an amount from 0 to 5.0 % by weight; and Sc203 in an amount from 0 to 5.0 % by weight. Glass fibers formed from the inventive composition may be used in applications that require high stiffness and have elastic modulus between 88 and 115 GPa. Such applications include woven fabrics for use in forming wind turbine blades and aerospace structures.
(FR)
La présente invention concerne une composition de verre qui comprend du SiO2 en une quantité de 50,0 à 65,0 % en poids ; du Al2O3 en une quantité de 18,0 à 23,0 % en poids ; du CaO en une quantité de 1 à 8,5 % en poids ; du MgO en une quantité de 9,0 à 14,0 % en poids ; du Na2O en une quantité de 0,0 à 1,0 % en poids ; du K2O en une quantité de 0,0 à 1,0 % en poids ; du Li2O en une quantité de 0,1 à 4,0 % en poids ; du TiO2 en une quantité de 0,0 à 2,5 % en poids, du Y2O3 en une quantité de 0 à 10,0 % en poids ; du La2O3 en une quantité de 0 à 10,0 % en poids ; du Ce2Ch en une quantité de 0 à 5,0 % en poids ; et du Sc2O3 en une quantité de 0 à 5,0 % en poids. Les fibres de verre formées à partir de la composition de l’invention peuvent être utilisées dans des applications qui nécessitent une rigidité élevée et ont un module d’élasticité compris entre 88 et 115 GPa. De telles applications comprennent des tissus tissés pour l’utilisation dans la formation de pales d’éolienne et de structures aérospatiales.
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