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1. WO2020094714 - PRECIPITATED SILICA AND PROCESS FOR ITS MANUFACTURE

Publication Number WO/2020/094714
Publication Date 14.05.2020
International Application No. PCT/EP2019/080392
International Filing Date 06.11.2019
IPC
C01B 33/193 2006.01
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF
33Silicon; Compounds thereof
113Silicon oxides; Hydrates thereof
12Silica; Hydrates thereof, e.g. lepidoic silicic acid
18Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
187by acidic treatment of silicates
193of aqueous solutions of silicates
C08K 3/36 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
KUSE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS
3Use of inorganic substances as compounding ingredients
34Silicon-containing compounds
36Silica
CPC
C01B 33/193
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; ; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
33Silicon; Compounds thereof
113Silicon oxides; Hydrates thereof
12Silica; Hydrates thereof, e.g. lepidoic silicic acid
18Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
187by acidic treatment of silicates
193of aqueous solutions of silicates
C01P 2004/51
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
2004Particle morphology
51Particles with a specific particle size distribution
C01P 2004/60
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
2004Particle morphology
60Particles characterised by their size
C01P 2006/12
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
2006Physical properties of inorganic compounds
12Surface area
C08K 3/36
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
KUse of inorganic or non-macromolecular organic substances as compounding ingredients
3Use of inorganic substances as compounding ingredients
34Silicon-containing compounds
36Silica
Applicants
  • RHODIA OPERATIONS [FR]/[FR]
Inventors
  • COLBEAU-JUSTIN, Frédéric
  • ALLAIN NAJMAN, Emmanuelle
  • LAURIOL-GARBEY, Pascaline
Agents
  • FERRI, Isabella
Priority Data
18306461.708.11.2018EP
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) PRECIPITATED SILICA AND PROCESS FOR ITS MANUFACTURE
(FR) SILICE PRÉCIPITÉE ET SON PROCÉDÉ DE FABRICATION
Abstract
(EN)
Precipitated silica having large median particle size for use as reinforcing filler in elastomeric compositions as well as its method of manufacture.
(FR)
Silice précipitée ayant une grande taille moyenne de particule pour une utilisation en tant que charge de renforcement dans des compositions élastomères ainsi que son procédé de fabrication.
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