Sizing composition for glass yarns, resulting yarns and use thereof in cement products

• Main Authors: E. AUGIER, E. DALLIES
• Format: Patent
• Language: English
• Published: 24.09.2003
• Edition: 7
• Subjects: ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM; ARTIFICIAL STONE; CEMENTS; CERAMICS; CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS; CHEMISTRY; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS; CONCRETE; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR; GLASS; JOINING GLASS TO GLASS OR OTHER MATERIALS; LAUNDERING; LIME, MAGNESIA; METALLURGY; MINERAL OR SLAG WOOL; ORGANIC CHEMISTRY; REFRACTORIES; SLAG; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS; SURFACE TREATMENT OF GLASS; TEXTILES; TREATMENT OF NATURAL STONE; TREATMENT OF TEXTILES OR THE LIKE; TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS

The invention concerns a sizing composition for glass yarns, containing at least a bonding agent in a water base liquid carrier, comprising at least a silane additive bearing at least a function capable of complexing calcium. Preferably, at least one additive is selected among the compounds of formula (1) wherein R is an alkyl, or a C1-C6 acyl, or phenyl group; R is a hydrogen atom or an alkyl or phenyl group of 1 to 6 carbon atoms; R is a hydrocarbon chain, linear or branched, saturated or unsaturated, optionally substituted, advantageously comprising 2 to 20 carbon atoms; R is a hydrogen atom or a linear or branched alkyl group of 1 to 4 carbon atoms, or a -CO-R group, wherein R is a hydrogen atom or an alkyl or alkoxy group, linear or branched, of 1 to 4 carbon atoms; R is a polar group in particular carbonyl or amino; n is an integer from 1 to 3; m is an integer from 1 to 3; p is a non-null integer; q is a null or non-null integer, with p + m + q </= 6. The invention is useful for producing glass yarns designed to reinforce cement products.