PREPARATION OF MICROCAPSULATED SPHERICAL POLYMER

PREPARATION OF MICROCAPSULATED SPHERICAL POLYMER

PROBLEM TO BE SOLVED: To obtain a microcapsulated copolymer of both a hydrophilic monomer and a hydrophobic monomer having a particle size as uniform as possible by adding the hydrophilic monomer to an aqueous phase. SOLUTION: (A) A microcapsulated hydrophobic monomer dispersed in an aqueous phase i...

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Hauptverfasser: HALLE OLAF DR, STRUEVER WERNER DR
Format: Patent
Sprache:eng
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CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR PREPARATION OR CHEMICAL WORKING-UP
THEIR RELEVANT APPARATUS
TRANSPORTING
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creator HALLE OLAF DR
STRUEVER WERNER DR
description PROBLEM TO BE SOLVED: To obtain a microcapsulated copolymer of both a hydrophilic monomer and a hydrophobic monomer having a particle size as uniform as possible by adding the hydrophilic monomer to an aqueous phase. SOLUTION: (A) A microcapsulated hydrophobic monomer dispersed in an aqueous phase is polymerized by adding (B) a hydrophilic monomer to the aqueous phase. A monoethylenically unsaturated compound having
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SOLUTION: (A) A microcapsulated hydrophobic monomer dispersed in an aqueous phase is polymerized by adding (B) a hydrophilic monomer to the aqueous phase. A monoethylenically unsaturated compound having &lt;2 wt.% solubility in water at 25 deg.C is used as the component A. To be concrete, styrene, vinyltoluene, ethylstyrene, α-methylstyrene, or the like, are used as the component A. A monoethylenically unsaturated compound having at least 2 wt.% solubility in water at 25 deg.C is used as the component B. To be concrete, acrylic acid, methacrylic acid, acrylonitrile, methacrylonitrile, or the like, is preferably used as the component B.</description><edition>7</edition><language>eng</language><subject>CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY ; CHEMISTRY ; COMPOSITIONS BASED THEREON ; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; PERFORMING OPERATIONS ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; THEIR RELEVANT APPARATUS ; TRANSPORTING</subject><creationdate>2000</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=20000425&amp;DB=EPODOC&amp;CC=JP&amp;NR=2000119305A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20000425&amp;DB=EPODOC&amp;CC=JP&amp;NR=2000119305A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HALLE OLAF DR</creatorcontrib><creatorcontrib>STRUEVER WERNER DR</creatorcontrib><title>PREPARATION OF MICROCAPSULATED SPHERICAL POLYMER</title><description>PROBLEM TO BE SOLVED: To obtain a microcapsulated copolymer of both a hydrophilic monomer and a hydrophobic monomer having a particle size as uniform as possible by adding the hydrophilic monomer to an aqueous phase. SOLUTION: (A) A microcapsulated hydrophobic monomer dispersed in an aqueous phase is polymerized by adding (B) a hydrophilic monomer to the aqueous phase. A monoethylenically unsaturated compound having &lt;2 wt.% solubility in water at 25 deg.C is used as the component A. To be concrete, styrene, vinyltoluene, ethylstyrene, α-methylstyrene, or the like, are used as the component A. A monoethylenically unsaturated compound having at least 2 wt.% solubility in water at 25 deg.C is used as the component B. To be concrete, acrylic acid, methacrylic acid, acrylonitrile, methacrylonitrile, or the like, is preferably used as the component B.</description><subject>CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY</subject><subject>CHEMISTRY</subject><subject>COMPOSITIONS BASED THEREON</subject><subject>MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS</subject><subject>METALLURGY</subject><subject>ORGANIC MACROMOLECULAR COMPOUNDS</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</subject><subject>THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><subject>THEIR RELEVANT APPARATUS</subject><subject>TRANSPORTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2000</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDAICHINcAxyDPH091Pwd1Pw9XQO8nd2DAgO9XEMcXVRCA7wcA3ydHb0UQjw94n0dQ3iYWBNS8wpTuWF0twMSm6uIc4euqkF-fGpxQWJyal5qSXxXgFGBgYGhoaWxgamjsZEKQIAmcom8g</recordid><startdate>20000425</startdate><enddate>20000425</enddate><creator>HALLE OLAF DR</creator><creator>STRUEVER WERNER DR</creator><scope>EVB</scope></search><sort><creationdate>20000425</creationdate><title>PREPARATION OF MICROCAPSULATED SPHERICAL POLYMER</title><author>HALLE OLAF DR ; STRUEVER WERNER DR</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2000119305A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2000</creationdate><topic>CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY</topic><topic>CHEMISTRY</topic><topic>COMPOSITIONS BASED THEREON</topic><topic>MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS</topic><topic>METALLURGY</topic><topic>ORGANIC MACROMOLECULAR COMPOUNDS</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</topic><topic>THEIR PREPARATION OR CHEMICAL WORKING-UP</topic><topic>THEIR RELEVANT APPARATUS</topic><topic>TRANSPORTING</topic><toplevel>online_resources</toplevel><creatorcontrib>HALLE OLAF DR</creatorcontrib><creatorcontrib>STRUEVER WERNER DR</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HALLE OLAF DR</au><au>STRUEVER WERNER DR</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>PREPARATION OF MICROCAPSULATED SPHERICAL POLYMER</title><date>2000-04-25</date><risdate>2000</risdate><abstract>PROBLEM TO BE SOLVED: To obtain a microcapsulated copolymer of both a hydrophilic monomer and a hydrophobic monomer having a particle size as uniform as possible by adding the hydrophilic monomer to an aqueous phase. SOLUTION: (A) A microcapsulated hydrophobic monomer dispersed in an aqueous phase is polymerized by adding (B) a hydrophilic monomer to the aqueous phase. A monoethylenically unsaturated compound having &lt;2 wt.% solubility in water at 25 deg.C is used as the component A. To be concrete, styrene, vinyltoluene, ethylstyrene, α-methylstyrene, or the like, are used as the component A. A monoethylenically unsaturated compound having at least 2 wt.% solubility in water at 25 deg.C is used as the component B. To be concrete, acrylic acid, methacrylic acid, acrylonitrile, methacrylonitrile, or the like, is preferably used as the component B.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record>
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subjects CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR PREPARATION OR CHEMICAL WORKING-UP
THEIR RELEVANT APPARATUS
TRANSPORTING
title PREPARATION OF MICROCAPSULATED SPHERICAL POLYMER
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