BR112021026508A2 - Sílica precipitada e processo para sua fabricação - Google Patents

Sílica precipitada e processo para sua fabricação

Info

Publication number
BR112021026508A2
BR112021026508A2 BR112021026508A BR112021026508A BR112021026508A2 BR 112021026508 A2 BR112021026508 A2 BR 112021026508A2 BR 112021026508 A BR112021026508 A BR 112021026508A BR 112021026508 A BR112021026508 A BR 112021026508A BR 112021026508 A2 BR112021026508 A2 BR 112021026508A2
Authority
BR
Brazil
Prior art keywords
manufacture
precipitated silica
silica
fractions
methyl
Prior art date
Application number
BR112021026508A
Other languages
English (en)
Inventor
Frédéric Colbeau-Justin
Laure Bertry
Pascaline Garbey
Original Assignee
Rhodia Operations
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 Rhodia Operations filed Critical Rhodia Operations
Publication of BR112021026508A2 publication Critical patent/BR112021026508A2/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
    • C01B33/187—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by acidic treatment of silicates
    • C01B33/193—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by acidic treatment of silicates of aqueous solutions of silicates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

sílica precipitada e processo para sua fabricação. uma sílica precipitada quimicamente modificada, caracterizada pela presença de frações de metila quimicamente ligadas à sílica e um processo para sua fabricação.
BR112021026508A 2019-06-27 2020-06-23 Sílica precipitada e processo para sua fabricação BR112021026508A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP19305861 2019-06-27
PCT/EP2020/067464 WO2020260262A1 (en) 2019-06-27 2020-06-23 Precipitated silica and process for its manufacture

Publications (1)

Publication Number Publication Date
BR112021026508A2 true BR112021026508A2 (pt) 2022-02-15

Family

ID=67297089

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112021026508A BR112021026508A2 (pt) 2019-06-27 2020-06-23 Sílica precipitada e processo para sua fabricação

Country Status (9)

Country Link
US (1) US20220306480A1 (pt)
EP (1) EP3990389B1 (pt)
JP (1) JP2022539096A (pt)
KR (1) KR20220031015A (pt)
CN (1) CN114174225A (pt)
BR (1) BR112021026508A2 (pt)
ES (1) ES2960959T3 (pt)
FI (1) FI3990389T3 (pt)
WO (1) WO2020260262A1 (pt)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2441422A (en) * 1945-02-10 1948-05-11 Gen Electric Organosilicon-silica sols, gels, and aerogels
US2945817A (en) * 1956-09-04 1960-07-19 Gen Electric Silica-silicone aerogels and their preparation
JP4515761B2 (ja) * 2001-08-13 2010-08-04 ロディア・シミ シリカの製造方法、特定の細孔寸法及び／又は粒度分布を有するシリカ並びにそれらの特に重合体強化のための使用
EP1559744A1 (en) * 2004-01-30 2005-08-03 Rhodia Chimie Use of a pretreated precipitated silica as a reinforcing filler for silicone elastomer and curable compositions thus obtained
FR2985991B1 (fr) * 2012-01-25 2014-11-28 Rhodia Operations Nouveau procede de preparation de silices precipitees
JP6918825B2 (ja) * 2016-07-27 2021-08-11 ワッカー ケミー アクチエンゲゼルシャフトＷａｃｋｅｒ Ｃｈｅｍｉｅ ＡＧ 改質沈降シリカの製造方法および改質沈降シリカを含有する組成物
MX2019013165A (es) 2017-05-05 2019-12-18 Rhodia Operations Silice precipitada y proceso para su fabricacion.

Also Published As

Publication number Publication date
US20220306480A1 (en) 2022-09-29
FI3990389T3 (fi) 2023-10-16
WO2020260262A1 (en) 2020-12-30
CN114174225A (zh) 2022-03-11
ES2960959T3 (es) 2024-03-07
EP3990389A1 (en) 2022-05-04
EP3990389B1 (en) 2023-07-19
JP2022539096A (ja) 2022-09-07
KR20220031015A (ko) 2022-03-11

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Legal Events

Date Code Title Description
B06W Patent application suspended after preliminary examination (for patents with searches from other patent authorities) chapter 6.23 patent gazette]