CH341802A - Verfahren zur kontinuierlichen Herstellung kieselsäurehaltiger Hydrogele - Google Patents

Verfahren zur kontinuierlichen Herstellung kieselsäurehaltiger Hydrogele

Info

Publication number
CH341802A
CH341802A CH341802DA CH341802A CH 341802 A CH341802 A CH 341802A CH 341802D A CH341802D A CH 341802DA CH 341802 A CH341802 A CH 341802A
Authority
CH
Switzerland
Prior art keywords
silicic acid
continuous production
containing hydrogels
hydrogels
silicic
Prior art date
Application number
Other languages
English (en)
Inventor
Walter Dr Ziese
Original Assignee
Basf Ag
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 Basf Ag filed Critical Basf Ag
Publication of CH341802A publication Critical patent/CH341802A/de

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/0052Preparation of gels
    • B01J13/0069Post treatment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/103Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate comprising silica
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00Silicon; Compounds thereof
    • C01B33/113Silicon oxides; Hydrates thereof
    • C01B33/12Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/14Colloidal silica, e.g. dispersions, gels, sols
    • C01B33/152Preparation of hydrogels
    • C01B33/154Preparation of hydrogels by acidic treatment of aqueous silicate solutions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Silicon Compounds (AREA)
CH341802D 1955-02-03 1956-01-17 Verfahren zur kontinuierlichen Herstellung kieselsäurehaltiger Hydrogele CH341802A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE341802X 1955-02-03

Publications (1)

Publication Number Publication Date
CH341802A true CH341802A (de) 1959-10-31

Family

ID=6235897

Family Applications (1)

Application Number Title Priority Date Filing Date
CH341802D CH341802A (de) 1955-02-03 1956-01-17 Verfahren zur kontinuierlichen Herstellung kieselsäurehaltiger Hydrogele

Country Status (4)

Country Link
US (1) US2871099A (de)
CH (1) CH341802A (de)
FR (1) FR1140609A (de)
GB (1) GB785779A (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3203760A (en) * 1962-12-17 1965-08-31 Grace W R & Co Process for preparing silica gel
US3800031A (en) * 1972-04-06 1974-03-26 Grace W R & Co Process for preparing silica hydrogel
FR2567504B1 (fr) * 1984-07-11 1989-12-29 Rhone Poulenc Chim Base Colloides de silice et silices spheriques et procedes pour leur obtiention
FR2567505B1 (fr) * 1984-07-11 1986-11-21 Rhone Poulenc Chim Base Silice a prise d'huile elevee et a structure primaire controlee et procede pour son obtention
US5236623A (en) * 1984-07-11 1993-08-17 Rhone-Poulenc Chimie Process for the production of a silica colloid
US4595578A (en) * 1985-03-22 1986-06-17 Scm Corporation Stabilized silica gel and process for making same
DE4218306C2 (de) * 1992-06-03 1995-06-22 Bayer Ag Verfahren zur kontinuierlichen Herstellung großpartikulärer Kieselsole
FR2910459B1 (fr) 2006-12-22 2010-09-17 Rhodia Recherches & Tech Nouveau procede de preparation de silices precipitees par mise en oeuvre d'un melangeur rapide
CN101491881B (zh) * 2008-01-24 2011-04-06 铜陵科达车辆装备有限责任公司 用于铁路货车轮对的滚动轴承磨合机
KR101400721B1 (ko) * 2012-10-22 2014-05-29 지오스 에어로겔 리미티드 실리카 에어로겔 분말 제조시스템
WO2021181076A1 (en) * 2020-03-09 2021-09-16 Cable Coatings Limited Overhead conductor with superhydrophobic coating

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1696358A (en) * 1925-11-02 1928-12-25 Ig Farbenindustrie Ag Process for the extraction and drying of jellies
US1672768A (en) * 1927-05-06 1928-06-05 Silica Gel Corp Method of making gels
NL39411C (de) * 1933-07-31 1900-01-01
US2272880A (en) * 1938-05-12 1942-02-10 Firestone Tire & Rubber Co Production of rubber articles
US2672650A (en) * 1949-01-05 1954-03-23 Westerberg John Cork extrusion machine

Also Published As

Publication number Publication date
US2871099A (en) 1959-01-27
FR1140609A (fr) 1957-07-31
GB785779A (en) 1957-11-06

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