MUD ADJUSTOR

MUD ADJUSTOR

PURPOSE:A mud adjustor which is readily blended with dug mud, provides the dug earth with water impermeability and plastic fluidity and can improve stability of earth and mountain and sand release properties, containing a preexpanded water absorbing resin as an active ingredient. CONSTITUTION:A mud...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: FUKUDA MITSUGI, ISHIZUKA KAORU
Format: Patent
Sprache:eng
Schlagworte:
ADHESIVES
CHEMISTRY
DYES
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
POLISHES
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Beschreibung
Zusammenfassung:PURPOSE:A mud adjustor which is readily blended with dug mud, provides the dug earth with water impermeability and plastic fluidity and can improve stability of earth and mountain and sand release properties, containing a preexpanded water absorbing resin as an active ingredient. CONSTITUTION:A mud adjustor useful for mud pressure shield method of construction, containing a preexpanded water absorbing resin (preferable example; self-crosslinking type acrylic acid alkali metal polymer, copolymer of an alpha-olefin and maliec anhydride, heat-treated carboxyl group-containing modified PVA, etc.) consisting of a water-insoluble resin absorbing usually about 10-1,000 times as much water as empty weight as an active ingredient. EFFECT:Having a wise application concentration range of agent and improved handleability.