A BINDER COMPOSITION OF A HIGH VISCOSITY AND A LOW VISCOSITY HYDROXYPROPYL METHYLCELLULOSE ETHER

A cellulose ether blend useful as an adhesive in finishing compounds, including a high viscosity hydroxypropyl methylcellulose having a viscosity of 4,000 to 120,000 cps and a low viscosity hydroxypropyl methylcellulose having a viscosity of 5 to 3,000 cps, wherein the hydroxypropyl methylcellulose...

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Bibliographische Detailangaben
1. Verfasser:	MEYER, WILFRED C
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE DYES LIME, MAGNESIA MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES REFRACTORIES SLAG THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF NATURAL STONE USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	A cellulose ether blend useful as an adhesive in finishing compounds, including a high viscosity hydroxypropyl methylcellulose having a viscosity of 4,000 to 120,000 cps and a low viscosity hydroxypropyl methylcellulose having a viscosity of 5 to 3,000 cps, wherein the hydroxypropyl methylcellulose blend is at least from 10:1 to 1:2 high viscosity hydroxypropyl methylcellulose to low viscosity hydroxypropyl methylcellulose. Both the high and low viscosity cellulose ethers have a methoxyl substitution of 25 to 32 weight percent and a hydroxypropyl substitution of 3 to 13 weight percent. The cellulosic blend can be used in tape joint compounds, tile adhesives, grouts, spray textures and stucco compositions. 35,793A-F