BR112012023789B8 - processo para remover monômeros residuais de partículas poliméricas absorventes de água - Google Patents

processo para remover monômeros residuais de partículas poliméricas absorventes de água

Info

Publication number
BR112012023789B8
BR112012023789B8 BR112012023789A BR112012023789A BR112012023789B8 BR 112012023789 B8 BR112012023789 B8 BR 112012023789B8 BR 112012023789 A BR112012023789 A BR 112012023789A BR 112012023789 A BR112012023789 A BR 112012023789A BR 112012023789 B8 BR112012023789 B8 BR 112012023789B8
Authority
BR
Brazil
Prior art keywords
absorbent polymeric
removing residual
polymeric particles
residual monomers
water absorbent
Prior art date
Application number
BR112012023789A
Other languages
English (en)
Other versions
BR112012023789A2 (pt
BR112012023789B1 (pt
Inventor
Flore Karin
Wengeler Robert
Original Assignee
Basf Se
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=44072608&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR112012023789(B8) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Basf Se filed Critical Basf Se
Publication of BR112012023789A2 publication Critical patent/BR112012023789A2/pt
Publication of BR112012023789B1 publication Critical patent/BR112012023789B1/pt
Publication of BR112012023789B8 publication Critical patent/BR112012023789B8/pt

Links

Classifications

    • 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
    • C08F6/00—Post-polymerisation treatments
    • C08F6/001—Removal of residual monomers by physical means
    • C08F6/005—Removal of residual monomers by physical means from solid polymers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]

Abstract

processo para remover monômeros residuais de partículas poliméricas absorventes de água a invenção refere-se a um método para remover monômeros residuais poliméricas absorventes de água, no qual as partículas poliméricas absorventes de água são subsequentemente termicamente tratadas em um misturador com ferramentas misturadoras rotativas em uma temperatura de pelo menos 60ºc na presença de vapor.
BR112012023789A 2010-03-24 2011-03-22 processo para remover monômeros residuais de partículas poliméricas absorventes de água BR112012023789B8 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP10157574 2010-03-24
EP10157574.4 2010-03-24
PCT/EP2011/054289 WO2011117215A1 (de) 2010-03-24 2011-03-22 Verfahren zur entfernung von restmonomeren aus wasserabsorbierenden polymerpartikeln

Publications (3)

Publication Number Publication Date
BR112012023789A2 BR112012023789A2 (pt) 2020-07-28
BR112012023789B1 BR112012023789B1 (pt) 2021-05-11
BR112012023789B8 true BR112012023789B8 (pt) 2021-07-27

Family

ID=44072608

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012023789A BR112012023789B8 (pt) 2010-03-24 2011-03-22 processo para remover monômeros residuais de partículas poliméricas absorventes de água

Country Status (6)

Country Link
US (1) US8299207B2 (pt)
EP (1) EP2550304B2 (pt)
JP (1) JP5726283B2 (pt)
CN (1) CN102906124B (pt)
BR (1) BR112012023789B8 (pt)
WO (1) WO2011117215A1 (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150307667A1 (en) 2012-12-03 2015-10-29 Nippon Shokubai Co., Ltd. Polyacrylic acid (salt)-based water absorbent resin, and method for producing polyacrylic acid (salt)-based water absorbent resin
JP6395727B2 (ja) * 2013-01-30 2018-09-26 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ 吸水性ポリマー粒子から残留モノマーを除去する方法
JP6877436B2 (ja) * 2015-12-23 2021-05-26 ビーエイエスエフ・ソシエタス・エウロパエアＢａｓｆ Ｓｅ 気体を加熱するための熱交換器およびその使用
US10881555B2 (en) 2016-03-30 2021-01-05 Basf Se Fluid-absorbent article
US10806640B2 (en) 2016-03-30 2020-10-20 Basf Se Ultrathin fluid-absorbent article
US20170281425A1 (en) 2016-03-30 2017-10-05 Basf Se Fluid-absorbent article
EP3576701B1 (en) 2017-02-06 2022-10-19 Basf Se Fluid-absorbent article
JP7361717B2 (ja) 2018-04-20 2023-10-16 ビーエーエスエフ ソシエタス・ヨーロピア 薄い流体吸収性コア－吸収紙

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Also Published As

Publication number Publication date
CN102906124B (zh) 2014-12-17
EP2550304B1 (de) 2015-05-13
JP5726283B2 (ja) 2015-05-27
JP2013522430A (ja) 2013-06-13
BR112012023789A2 (pt) 2020-07-28
CN102906124A (zh) 2013-01-30
EP2550304B2 (de) 2018-09-19
EP2550304A1 (de) 2013-01-30
US8299207B2 (en) 2012-10-30
WO2011117215A1 (de) 2011-09-29
US20110237767A1 (en) 2011-09-29
BR112012023789B1 (pt) 2021-05-11

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 22/03/2011, OBSERVADAS AS CONDICOES LEGAIS. PATENTE CONCEDIDA CONFORME MEDIDA CAUTELAR DE 07/04/2021 - ADI 5.529/DF

B16C Correction of notification of the grant [chapter 16.3 patent gazette]

Free format text: REF. RPI 2627 DE 11/05/2021 QUANTO AO TITULAR.