A method for restricting air entrapment in a paper making process

A method for restricting air entrapment in a paper making process

A method for restricting air entrapment in white water of a paper making process is described, which comprises adding to said white water a polysiloxane having an Si-C bonded substituent with at least one ether or alcohol oxygen. Preferably certain siloxane oxyalkylene copolymers or certain siloxane...

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Hauptverfasser: RENAULD, FRANCK, NORTHFLEET, CHRISTINA
Format: Patent
Sprache:eng ; fre ; ger
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CHEMISTRY
COMPOSITIONS BASED THEREON
IMPREGNATING OR COATING OF PAPER
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PAPER NOT OTHERWISE PROVIDED FOR
PAPER-MAKING
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D
PRODUCTION OF CELLULOSE
PULP COMPOSITIONS
SEPARATION
TEXTILES
THEIR PREPARATION OR CHEMICAL WORKING-UP
TRANSPORTING
TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
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creator RENAULD, FRANCK
NORTHFLEET, CHRISTINA
description A method for restricting air entrapment in white water of a paper making process is described, which comprises adding to said white water a polysiloxane having an Si-C bonded substituent with at least one ether or alcohol oxygen. Preferably certain siloxane oxyalkylene copolymers or certain siloxane oxyalcohols are used.
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language eng ; fre ; ger
recordid cdi_epo_espacenet_EP0916764B1
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subjects CHEMISTRY
COMPOSITIONS BASED THEREON
IMPREGNATING OR COATING OF PAPER
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PAPER NOT OTHERWISE PROVIDED FOR
PAPER-MAKING
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D
PRODUCTION OF CELLULOSE
PULP COMPOSITIONS
SEPARATION
TEXTILES
THEIR PREPARATION OR CHEMICAL WORKING-UP
TRANSPORTING
TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
title A method for restricting air entrapment in a paper making process
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