PRODUCTION OF WATER ABSORBING POLYURETHANE FOAM

PRODUCTION OF WATER ABSORBING POLYURETHANE FOAM

PURPOSE:To obtain the subject foam, having elasticity, excellent in absorbing and holding performance for aqueous liquids and useful as disposable diapers, etc., by blending a polyether polyol with polyethylene glycol in a specific proportion. CONSTITUTION:(A) A polyether polyol having an average mo...

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Hauptverfasser: HAMASHIMA YOSHIJI, KOBAYASHI TAKATOSHI, NANBU HIROMI, MEIWA YOSHIHEI
Format: Patent
Sprache:eng
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CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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creator HAMASHIMA YOSHIJI
KOBAYASHI TAKATOSHI
NANBU HIROMI
MEIWA YOSHIHEI
description PURPOSE:To obtain the subject foam, having elasticity, excellent in absorbing and holding performance for aqueous liquids and useful as disposable diapers, etc., by blending a polyether polyol with polyethylene glycol in a specific proportion. CONSTITUTION:(A) A polyether polyol having an average molecular weight within the range of 1500-15000 and 40-90wt.% content of polyoxyethylene units and (B) a polyol, consisting of polyethylene glycol having an average molecular weight within the range of 300-12000 at a weight ratio of the components (A) to (B) within the range of (85:15)-(15:85) are used as a polyol to provide the objective foam by a one-shot method. Furthermore, a bifunctional polyether polyol is preferably used as the component (A).
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subjects CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
title PRODUCTION OF WATER ABSORBING POLYURETHANE FOAM
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