BRPI0916166B8 - Processo para a produção de partículas de polímero superabsorvente de polissacarídeo de superfície tratada, particulado de polímero superabsorvente de polissacarídeo, processo para a produção de particulado de polímero superabsorvente de polissacarídeo de superfície tratada e material superabsorvente - Google Patents

Processo para a produção de partículas de polímero superabsorvente de polissacarídeo de superfície tratada, particulado de polímero superabsorvente de polissacarídeo, processo para a produção de particulado de polímero superabsorvente de polissacarídeo de superfície tratada e material superabsorvente

Info

Publication number
BRPI0916166B8
BRPI0916166B8 BRPI0916166A BRPI0916166A BRPI0916166B8 BR PI0916166 B8 BRPI0916166 B8 BR PI0916166B8 BR PI0916166 A BRPI0916166 A BR PI0916166A BR PI0916166 A BRPI0916166 A BR PI0916166A BR PI0916166 B8 BRPI0916166 B8 BR PI0916166B8
Authority
BR
Brazil
Prior art keywords
polysaccharide
superabsorbent
production
particulate
treated
Prior art date
Application number
BRPI0916166A
Other languages
English (en)
Inventor
Tian Gonglu
Yang Xinyuan
j smith Scott
Original Assignee
Evonik Stockhausen Llc
Evonik Degussa Corp
Evonik Corp
Evonik Superabsorber Llc
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
Application filed by Evonik Stockhausen Llc, Evonik Degussa Corp, Evonik Corp, Evonik Superabsorber Llc filed Critical Evonik Stockhausen Llc
Publication of BRPI0916166A2 publication Critical patent/BRPI0916166A2/pt
Publication of BRPI0916166B1 publication Critical patent/BRPI0916166B1/pt
Publication of BRPI0916166B8 publication Critical patent/BRPI0916166B8/pt

Links

Classifications

    • 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
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
    • B01J20/28016—Particle form
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B15/00—Preparation of other cellulose derivatives or modified cellulose, e.g. complexes
    • C08B15/005—Crosslinking of cellulose derivatives
    • 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
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
    • B01J20/3202—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the carrier, support or substrate used for impregnation or coating
    • B01J20/3206—Organic carriers, supports or substrates
    • B01J20/3208—Polymeric carriers, supports or substrates
    • B01J20/3212—Polymeric carriers, supports or substrates consisting of a polymer obtained by reactions otherwise than involving only carbon to carbon unsaturated 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
    • 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
    • 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
    • C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
    • C08J3/245—Differential crosslinking of one polymer with one crosslinking type, e.g. surface crosslinking
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
    • C08L1/08—Cellulose derivatives
    • C08L1/26—Cellulose ethers
    • C08L1/28—Alkyl ethers
    • C08L1/286—Alkyl ethers substituted with acid radicals, e.g. carboxymethyl cellulose [CMC]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Analytical Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

PROCESSO PARA A PRODUÇÃO DE PARTÍCULAS DE POLÍMERO SUPERABSORVENTE DE POLISSACARÍDEO DE SUPERFÍCIE TRATADA, PARTICULADO DE POLÍMERO SUPERABSORVENTE DE POLISSACARÍDEO, PROCESSO PARA A PRODUÇÃO DE PARTICULADO DE POLÍMERO SUPERABSORVENTE DE POLISSACARÍDEO. DE SUPERFÍCIE TRATADA E MATERIAL SUPERABSORVENTE Trata-se de um processo para· a produção de um particulado polissacarídeo superabsorvente, o qual inclui as etapas do processo de: colocação de um polissacarídeo em contato com um polifosfatq ou um ácido polifosfórico corno· agente de reticulação na presença de água para formar um gel de polissacarídeo; secagem do gel de polissacarídeo; fragmentação do gel de polissacarídeo seco para a formação das partículas do · polímero super absorvente de polissacarídeo; revestimento das partículas com um polifosfato ou com ácido polifosfórico; reticulação das partículas revestidas e tratamento de superfície do polissacarídeo em partículas com . um sal de metal rnultivalente ou um ácido. A invenção refere-se adicionalmente a um particulado de polímero superabsorvente de polissacarídeo 1obtenível por este processo, um polissacarídeo absorvível em água, um composto, um processo para produzir um composto, um composto produzido por este processo, a utilização do polississacarídeo ou dos compostosem· partículas superabsorventes, bem corno a utilização dos polifosfatos.
BRPI0916166A 2008-11-25 2009-10-28 Processo para a produção de partículas de polímero superabsorvente de polissacarídeo de superfície tratada, particulado de polímero superabsorvente de polissacarídeo, processo para a produção de particulado de polímero superabsorvente de polissacarídeo de superfície tratada e material superabsorvente BRPI0916166B8 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12/277,637 US8361926B2 (en) 2008-11-25 2008-11-25 Water-absorbing polysaccharide and method for producing the same
US12/277,637 2008-11-25
PCT/EP2009/064181 WO2010060716A1 (en) 2008-11-25 2009-10-28 Water-absorbing polysaccharide and method for producing the same

Publications (3)

Publication Number Publication Date
BRPI0916166A2 BRPI0916166A2 (pt) 2015-11-03
BRPI0916166B1 BRPI0916166B1 (pt) 2019-07-09
BRPI0916166B8 true BRPI0916166B8 (pt) 2022-08-23

Family

ID=41611287

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0916166A BRPI0916166B8 (pt) 2008-11-25 2009-10-28 Processo para a produção de partículas de polímero superabsorvente de polissacarídeo de superfície tratada, particulado de polímero superabsorvente de polissacarídeo, processo para a produção de particulado de polímero superabsorvente de polissacarídeo de superfície tratada e material superabsorvente

Country Status (8)

Country Link
US (3) US8361926B2 (pt)
EP (1) EP2350133B1 (pt)
JP (1) JP5651122B2 (pt)
KR (1) KR101686686B1 (pt)
CN (1) CN102224172B (pt)
BR (1) BRPI0916166B8 (pt)
TW (1) TWI476017B (pt)
WO (1) WO2010060716A1 (pt)

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US20100130355A1 (en) 2010-05-27
CN102224172A (zh) 2011-10-19
US20130277608A1 (en) 2013-10-24
KR20110096052A (ko) 2011-08-26
US8486855B2 (en) 2013-07-16
EP2350133A1 (en) 2011-08-03
US8361926B2 (en) 2013-01-29
US8703645B2 (en) 2014-04-22
JP2012509947A (ja) 2012-04-26
EP2350133B1 (en) 2017-03-01
JP5651122B2 (ja) 2015-01-07
KR101686686B1 (ko) 2016-12-14
WO2010060716A1 (en) 2010-06-03
BRPI0916166A2 (pt) 2015-11-03
TWI476017B (zh) 2015-03-11
US20130040811A1 (en) 2013-02-14
BRPI0916166B1 (pt) 2019-07-09
TW201023918A (en) 2010-07-01
CN102224172B (zh) 2014-07-30

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