HYDROXYPROPYLATED GRANULAR STARCH WITH LOW PROPYLENE GLYCOL CONTENT

The present invention provides a hydroxypropylated granular starch with a degree of molar substitution of hydroxypropyl groups (MS) of above 0.25 and a reduced content of volatile organic compounds (VOC), namely a propylene glycol content of below 2 wt.-% of the starch, and a process for the prepara...

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Bibliographische Detailangaben
Hauptverfasser:	WASTYN, Marnik Michel, KOZICH, Martin, MANN, Karl-Jürgen
Format:	Patent
Sprache:	eng ; fre ; ger
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 DERIVATIVES THEREOF DYES LIME, MAGNESIA METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES POLYSACCHARIDES REFRACTORIES SLAG THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF NATURAL STONE USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	The present invention provides a hydroxypropylated granular starch with a degree of molar substitution of hydroxypropyl groups (MS) of above 0.25 and a reduced content of volatile organic compounds (VOC), namely a propylene glycol content of below 2 wt.-% of the starch, and a process for the preparation of said hydroxypropylated granular starch. The present invention further relates to a hydroxypropylated starch with a degree of molar substitution of hydroxypropyl groups (MS) of above 0.25 and a propylene glycol content of below 2 wt.-% of the starch, and to a construction material composition or cementitious and/or dispersion-modified construction adhesive comprising said hydroxypropylated starch.