AUS WAESSRIGEM BREI GESCHOEPFTE SCHICHTEN UND VERFAHREN ZU IHRER HERSTELLUNG

1441439 Aqueous polyurethane compositions MINNESOTA MINING & MFG CO 25 Sept 1973 [26 Sept 1972] 44925/73 Heading C3 [Also in Division D2] An aqueous slurry used for forming a leatherlike material comprises a suspension of particulate, anionic, elastomeric polyurethane, polythiourethane, polyuret...

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Hauptverfasser: J. PERKINS,ROBERT, L. GRIGGS,ALLEN, H. STEPAN,ALFRED
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creator J. PERKINS,ROBERT
L. GRIGGS,ALLEN
H. STEPAN,ALFRED
description 1441439 Aqueous polyurethane compositions MINNESOTA MINING & MFG CO 25 Sept 1973 [26 Sept 1972] 44925/73 Heading C3 [Also in Division D2] An aqueous slurry used for forming a leatherlike material comprises a suspension of particulate, anionic, elastomeric polyurethane, polythiourethane, polyurethane urea or polyurea latex solids and cationic solids comprising up to 70% by wt. of wood flour particles, said particles being rendered cationic at least on their surfaces and at least 30% by wt. of chrome tanned leather fibres. In an example, a waterlaid sheet is prepared from an aqueous slurry of chrometanned leather fibres, cationised wood flour, and polyurethane-urea solids.
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subjects FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
IMPREGNATING OR COATING OF PAPER
LAUNDERING
PAPER NOT OTHERWISE PROVIDED FOR
PAPER-MAKING
PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D
PRODUCTION OF CELLULOSE
PULP COMPOSITIONS
TEXTILES
TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
TREATMENT OF TEXTILES OR THE LIKE
WALL, FLOOR OR LIKE COVERING MATERIALS, e.g. LINOLEUM,OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF AFIBROUS WEB COATED WITH A LAYER OF MACROMOLECULARMATERIAL
title AUS WAESSRIGEM BREI GESCHOEPFTE SCHICHTEN UND VERFAHREN ZU IHRER HERSTELLUNG
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