公开(公告)号：US20180297854A1

公开(公告)日：2018-10-18

申请号：US15768287

申请日：2016-09-30

Applicant: RHODIA OPERATIONS

Inventor： Philippe JOST ,  Leo Ricardo BEDORE DOS SANTOS ,  Daniella DE VILLEFORT GROSSI

IPC: C01B33/193 ,  C01B33/32

Abstract: The invention relates to a novel process for the preparation of silicate comprising: reacting rice husk ash with a silicate precursor P1 to obtain a silicate S2 having a SiO2/MxO molar ratio MR2, in which the precursor P1 is either a silicate S1 having a SiO2/MxO molar ratio MR1 such that MR2>MR1, or a mixture of sand with metal hydroxide.

公开(公告)号：US20150368428A1

公开(公告)日：2015-12-24

申请号：US14766483

申请日：2014-02-14

Applicant: RHODIA OPERATIONS

Inventor： Laurent GUY ,  Cedric BOIVIN ,  Soline DE CAYEUX ,  Philippe JOST

IPC: C08K5/092 ,  C08K3/36 ,  C08L9/06

CPC classification number: C08K5/092 ,  C08K3/36 ,  C08L9/06 ,  C08L2205/02 ,  C08L2205/06 ,  Y10T428/1372

Abstract: The invention relates to the use of a polycarboxylic acid in the preparation of an elastomer composition comprising a precipitated silica as reinforcing inorganic filler and an elastomer, in which said polycarboxylic acid and said precipitated silica are incorporated, independently of each other, into an elastomer.The invention also relates to elastomer compositions and to a process for preparing the same.

Abstract translation: 本发明涉及多元羧酸在制备包含沉淀二氧化硅作为增强无机填料的弹性体组合物和弹性体中的用途，其中所述多元羧酸和所述沉淀二氧化硅彼此独立地结合成弹性体。 本发明也涉及弹性体组合物及其制备方法。