BRPI0513828A - polìmeros superabsorvente compreendendo ligações covalentes diretas entre os segmentos das cadeias e métodos para a fabricação dos mesmos - Google Patents

polìmeros superabsorvente compreendendo ligações covalentes diretas entre os segmentos das cadeias e métodos para a fabricação dos mesmos

Info

Publication number
BRPI0513828A
BRPI0513828A BRPI0513828-0A BRPI0513828A BRPI0513828A BR PI0513828 A BRPI0513828 A BR PI0513828A BR PI0513828 A BRPI0513828 A BR PI0513828A BR PI0513828 A BRPI0513828 A BR PI0513828A
Authority
BR
Brazil
Prior art keywords
chain segments
superabsorbent polymers
covalent bonds
forming
methods
Prior art date
Application number
BRPI0513828-0A
Other languages
English (en)
Inventor
Andreas Flohr
Torsten Lindner
Original Assignee
Procter & Gamble
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from EP04017794A external-priority patent/EP1621561A1/en
Priority claimed from EP05002556A external-priority patent/EP1693404A1/en
Application filed by Procter & Gamble filed Critical Procter & Gamble
Publication of BRPI0513828A publication Critical patent/BRPI0513828A/pt

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F293/00—Macromolecular compounds obtained by polymerisation on to a macromolecule having groups capable of inducing the formation of new polymer chains bound exclusively at one or both ends of the starting macromolecule
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00—Processes of polymerisation
    • C08F2/46—Polymerisation initiated by wave energy or particle radiation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F265/00—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00
    • C08F265/02—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00 on to polymers of acids, salts or anhydrides
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F291/00—Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds according to more than one of the groups C08F251/00 - C08F289/00
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/28—Treatment by wave energy or particle radiation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L101/00—Compositions of unspecified macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • C08L51/003—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to macromolecular compounds obtained by reactions only involving unsaturated carbon-to-carbon bonds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2300/00—Characterised by the use of unspecified polymers
    • C08J2300/14—Water soluble or water swellable polymers, e.g. aqueous gels
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2333/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
    • C08J2333/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof

Abstract

POLìMEROS SUPERABSORVENTES COMPREENDENDO LIGAçõES COVALENTES DIRETAS ENTRE OS SEGMENTOS DAS CADEIAS E MéTODOS PARA A FABRICAçãO DOS MESMOS A presente invenção refere-se a polímeros superabsorventes compreendendo segmentos de cadeia de polímero. Ao menos parte dos segmentos de cadeia de polímero são reticulados um ao outro por meio de ligações covalentes, as quais são formadas diretamente entre segmentos de cadeia de polímero mediante a reação com moléculas formadoras de radicais capazes de formar birradicais. A presente invenção refere-se, também, a um método para a reticulação de polímeros superabsorventes, o qual compreende as etapas de: a) obter um polímero superabsorvente compreendendo segmentos de cadeia de polímero; b) obter moléculas formadoras de radicais, as quais são capazes de formar birradicais mediante irradiação eletromagnética; e c) expor o polímero superabsorvente e as moléculas formadoras de radicais a irradiação eletromagnética, formando assim ligações covalentes diretas entre os segmentos da cadeia de polímero.
BRPI0513828-0A 2004-07-28 2005-07-25 polìmeros superabsorvente compreendendo ligações covalentes diretas entre os segmentos das cadeias e métodos para a fabricação dos mesmos BRPI0513828A (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP04017794A EP1621561A1 (en) 2004-07-28 2004-07-28 Superabsorbent polymers
EP05002556A EP1693404A1 (en) 2005-02-08 2005-02-08 Superabsorbent polymers comprising direct covalent bonds between polymer chain segments and method of making them
PCT/US2005/026236 WO2006014852A2 (en) 2004-07-28 2005-07-25 Superabsorbent polymers comprising direct covalent bonds between polymer chain segments and method of making them

Publications (1)

Publication Number Publication Date
BRPI0513828A true BRPI0513828A (pt) 2008-05-20

Family

ID=35539672

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0513828-0A BRPI0513828A (pt) 2004-07-28 2005-07-25 polìmeros superabsorvente compreendendo ligações covalentes diretas entre os segmentos das cadeias e métodos para a fabricação dos mesmos

Country Status (10)

Country Link
US (1) US8080705B2 (pt)
EP (1) EP1778767A2 (pt)
JP (1) JP2008507621A (pt)
KR (1) KR20070039082A (pt)
AR (1) AR050087A1 (pt)
AU (1) AU2005269571B2 (pt)
BR (1) BRPI0513828A (pt)
CA (1) CA2575307A1 (pt)
MX (1) MX2007001000A (pt)
WO (1) WO2006014852A2 (pt)

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EP2865690A1 (en) 2009-11-11 2015-04-29 Borealis AG A polymer composition comprising a polyolefin produced in a high pressure process, a high pressure process and an article

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US20060025734A1 (en) 2006-02-02
MX2007001000A (es) 2008-10-24
EP1778767A2 (en) 2007-05-02
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KR20070039082A (ko) 2007-04-11
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