POLYMERIZATION PROCESS INVOLVING ADDITION OF MONOFUNCTIONAL VINYL MONOMER

POLYMERIZATION PROCESS INVOLVING ADDITION OF MONOFUNCTIONAL VINYL MONOMER

Provided is a process of making a collection of polymeric beads, wherein the beads comprise (i) 75 to 99.7% by weight, based on the weight of the bead, polymerized units of monofunctional vinyl monomer, and (ii) 0.3 to 25% by weight, based on the weight of the bead, polymerized units of multifunctio...

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Hauptverfasser: SAVO, Andrew M, OSTRANDER, Michael, JONES, Thomas
Format: Patent
Sprache:eng ; fre
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CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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creator SAVO, Andrew M
OSTRANDER, Michael
JONES, Thomas
description Provided is a process of making a collection of polymeric beads, wherein the beads comprise (i) 75 to 99.7% by weight, based on the weight of the bead, polymerized units of monofunctional vinyl monomer, and (ii) 0.3 to 25% by weight, based on the weight of the bead, polymerized units of multifunctional vinyl monomer; wherein the process comprises (a) providing an aqueous suspension of monomer droplets comprising initiator, multifunctional vinyl monomer, and monofunctional vinyl monomer; (b) initiating polymerization of the monomer in the monomer droplets; (c) while the polymerization of the monomer in the monomer droplets is occurring, adding a monomer feed solution to the suspension. L'invention concerne un procédé de fabrication d'un ensemble de billes polymères, les billes comprenant : i) 75 à 99,7% en poids, sur la base du poids de la bille, d'unités polymérisées de monomère vinylique monofonctionnel; et ii) 0,3 à 25% en poids, sur la base du poids de la bille, d'unités polymérisées de monomère vinylique multifonctionnel. Le procédé consiste : a) à utiliser une suspension aqueuse de gouttelettes de monomère comprenant un initiateur, un monomère vinylique multifonctionnel, et un monomère vinylique monofonctionnel; b) à lancer la polymérisation du monomère dans les gouttelettes de monomère; c) pendant que la polymérisation du monomère dans les gouttelettes de monomère est en cours, à ajouter à la suspension une solution d'alimentation en monomère.
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L'invention concerne un procédé de fabrication d'un ensemble de billes polymères, les billes comprenant : i) 75 à 99,7% en poids, sur la base du poids de la bille, d'unités polymérisées de monomère vinylique monofonctionnel; et ii) 0,3 à 25% en poids, sur la base du poids de la bille, d'unités polymérisées de monomère vinylique multifonctionnel. Le procédé consiste : a) à utiliser une suspension aqueuse de gouttelettes de monomère comprenant un initiateur, un monomère vinylique multifonctionnel, et un monomère vinylique monofonctionnel; b) à lancer la polymérisation du monomère dans les gouttelettes de monomère; c) pendant que la polymérisation du monomère dans les gouttelettes de monomère est en cours, à ajouter à la suspension une solution d'alimentation en monomère.</description><language>eng ; fre</language><subject>CHEMISTRY ; COMPOSITIONS BASED THEREON ; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><creationdate>2019</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20190516&amp;DB=EPODOC&amp;CC=WO&amp;NR=2019094199A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20190516&amp;DB=EPODOC&amp;CC=WO&amp;NR=2019094199A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SAVO, Andrew M</creatorcontrib><creatorcontrib>OSTRANDER, Michael</creatorcontrib><creatorcontrib>JONES, Thomas</creatorcontrib><title>POLYMERIZATION PROCESS INVOLVING ADDITION OF MONOFUNCTIONAL VINYL MONOMER</title><description>Provided is a process of making a collection of polymeric beads, wherein the beads comprise (i) 75 to 99.7% by weight, based on the weight of the bead, polymerized units of monofunctional vinyl monomer, and (ii) 0.3 to 25% by weight, based on the weight of the bead, polymerized units of multifunctional vinyl monomer; wherein the process comprises (a) providing an aqueous suspension of monomer droplets comprising initiator, multifunctional vinyl monomer, and monofunctional vinyl monomer; (b) initiating polymerization of the monomer in the monomer droplets; (c) while the polymerization of the monomer in the monomer droplets is occurring, adding a monomer feed solution to the suspension. 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subjects CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
title POLYMERIZATION PROCESS INVOLVING ADDITION OF MONOFUNCTIONAL VINYL MONOMER
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