Abstract: A sol is provided for the production of inorganic fibres comprising precursors for aluminium oxide, silicon oxide, strontium oxide, wherein the precursors are present in proportions suitable to yield inorganic fibres having a composition comprising: —70?Al2O3?80 wt %; 10?SiO2?20 wt %; 10?SrO?20 wt % wherein the sum of Al2O3, SiO2 and SrO is at least 95 wt %.
Type:
Grant
Filed:
September 29, 2017
Date of Patent:
November 24, 2020
Assignee:
Morgan Advanced Materials PLC
Inventors:
Craig Freeman, David Thomas, Thomas English
Abstract: Inorganic fibers having the composition: 10?Al2O3?50 mol %; 2?K2O?40 mol %; 30?SiO2?70 mol %; and in which SiO2+Al2O3+K2O>=80 mol % can be protected against surface crystallization of kalsilite by: including an amount of a nucleation promoting component effective to promote bulk crystallization in the glass; and/or providing on at least part of their surface, potassium scavenging materials.
Type:
Grant
Filed:
June 23, 2014
Date of Patent:
April 17, 2018
Assignee:
Morgan Advanced Materials plc
Inventors:
Ronald Wainwright, Gary Jubb, Fontaine Fadiora
Abstract: Inorganic fibres having the composition: 10?Al2O3?50 mol %; 2?K2O?40 mol %; 30?SiO2?70 mol %; and in which SiO2+Al2O3+K2O>=80 mol % can be protected against surface crystallisation of kalsilite by: including an amount of a nucleation promoting component effective to promote bulk crystallisation in the glass; and/or providing on at least part of their surface, potassium scavenging materials.
Type:
Application
Filed:
June 23, 2014
Publication date:
June 16, 2016
Applicant:
Morgan Advanced Materials plc.
Inventors:
Ronald Wainwright, Gary Jubb, Fontaine Fadiora