BR122019005902B8 - processo para a reciclagem de polímeros superabsorventes finos na produção do gel de polímero superabsorvente - Google Patents
processo para a reciclagem de polímeros superabsorventes finos na produção do gel de polímero superabsorventeInfo
- Publication number
- BR122019005902B8 BR122019005902B8 BR122019005902A BR122019005902A BR122019005902B8 BR 122019005902 B8 BR122019005902 B8 BR 122019005902B8 BR 122019005902 A BR122019005902 A BR 122019005902A BR 122019005902 A BR122019005902 A BR 122019005902A BR 122019005902 B8 BR122019005902 B8 BR 122019005902B8
- Authority
- BR
- Brazil
- Prior art keywords
- thin
- superabsorbent
- polymers
- polymer gel
- superabsorbent polymers
- Prior art date
Links
Classifications
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- 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
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
- C08J3/075—Macromolecular gels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
-
- 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
- C08F265/04—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 esters
-
- 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
- C08F265/04—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 esters
- C08F265/06—Polymerisation of acrylate or methacrylate esters on to polymers thereof
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Dispersion Chemistry (AREA)
- Analytical Chemistry (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Graft Or Block Polymers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
é descrito um processo para a reciclagem de polímeros superabsorventes finos em um processo que inclui o tratamento dos polímeros superabsorventes finos com soda cáustica e uma etapa de polimerização para fazer o gel de polímero superabsorvente. o processo requer o tratamento dos polímeros superabsorventes finos com uma solução cáustica, seguido pela mistura com uma solução de monômero polimerizável, e polimerização da mistura do polímero superabsorvente fino e monômero para formar o polímero absorvente fluido aquoso. no processo, os polímeros finos são incorporados no gel de polímero novo e tornam-se indistinguíveis. o gel pode então ser triturado em um particulado seco e, em seguida, separado em uma parte com um tamanho de partícula mínima desejado em uma porção fina tendo menos do que o tamanho desejado. o particulado pode então ser revestido com um agente de ligação de superfície e aditivos de superfície e aquecido para a conversão da superfície.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/256,038 | 2008-10-22 | ||
US12/256,038 US7910688B2 (en) | 2008-10-22 | 2008-10-22 | Recycling superabsorbent polymer fines |
PCT/EP2009/063302 WO2010046267A1 (en) | 2008-10-22 | 2009-10-13 | Process for production of superabsorbent polymer gel with superabsorbent polymer fines |
BRPI0920200A BRPI0920200B8 (pt) | 2008-10-22 | 2009-10-13 | Processo para a produção de um gel de polímero superabsorvente com finos polímeros superabsorventes reciclados, processo para a produção de polímero superabsorvente particulado fundamento |
Publications (2)
Publication Number | Publication Date |
---|---|
BR122019005902B1 BR122019005902B1 (pt) | 2020-07-14 |
BR122019005902B8 true BR122019005902B8 (pt) | 2022-08-09 |
Family
ID=41268347
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR122019005902A BR122019005902B8 (pt) | 2008-10-22 | 2009-10-13 | processo para a reciclagem de polímeros superabsorventes finos na produção do gel de polímero superabsorvente |
BRPI0920200A BRPI0920200B8 (pt) | 2008-10-22 | 2009-10-13 | Processo para a produção de um gel de polímero superabsorvente com finos polímeros superabsorventes reciclados, processo para a produção de polímero superabsorvente particulado fundamento |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0920200A BRPI0920200B8 (pt) | 2008-10-22 | 2009-10-13 | Processo para a produção de um gel de polímero superabsorvente com finos polímeros superabsorventes reciclados, processo para a produção de polímero superabsorvente particulado fundamento |
Country Status (9)
Country | Link |
---|---|
US (4) | US7910688B2 (pt) |
EP (1) | EP2340265B1 (pt) |
JP (1) | JP5548210B2 (pt) |
KR (1) | KR101672564B1 (pt) |
CN (1) | CN102197057B (pt) |
BR (2) | BR122019005902B8 (pt) |
RU (1) | RU2518063C2 (pt) |
TW (1) | TWI466900B (pt) |
WO (1) | WO2010046267A1 (pt) |
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KR101672564B1 (ko) | 2016-11-03 |
BRPI0920200B1 (pt) | 2019-07-09 |
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TW201022294A (en) | 2010-06-16 |
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BRPI0920200B8 (pt) | 2022-08-23 |
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BRPI0920200A2 (pt) | 2015-12-15 |
US8309682B2 (en) | 2012-11-13 |
JP5548210B2 (ja) | 2014-07-16 |
RU2518063C2 (ru) | 2014-06-10 |
US20110121231A1 (en) | 2011-05-26 |
TWI466900B (zh) | 2015-01-01 |
US20120292566A1 (en) | 2012-11-22 |
US8318895B1 (en) | 2012-11-27 |
US7910688B2 (en) | 2011-03-22 |
CN102197057A (zh) | 2011-09-21 |
US20100099781A1 (en) | 2010-04-22 |
JP2012506462A (ja) | 2012-03-15 |
EP2340265A1 (en) | 2011-07-06 |
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