SG92585G - Silica from single phase controlled hydrolysis of silicate ester - Google Patents

Silica from single phase controlled hydrolysis of silicate ester

Info

Publication number
SG92585G
SG92585G SG925/85A SG92585A SG92585G SG 92585 G SG92585 G SG 92585G SG 925/85 A SG925/85 A SG 925/85A SG 92585 A SG92585 A SG 92585A SG 92585 G SG92585 G SG 92585G
Authority
SG
Singapore
Prior art keywords
solvent
water
single phase
hydrolysis
resulting silica
Prior art date
Application number
SG925/85A
Other languages
English (en)
Original Assignee
Phillips Petroleum Co
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 Phillips Petroleum Co filed Critical Phillips Petroleum Co
Publication of SG92585G publication Critical patent/SG92585G/en

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
    • C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/08—Silica
    • 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
    • C01B33/16—Preparation of silica xerogels
    • C01B33/163—Preparation of silica xerogels by hydrolysis of organosilicon compounds, e.g. ethyl orthosilicate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Silicon Compounds (AREA)
  • Catalysts (AREA)
  • Silicon Polymers (AREA)
  • Polymerization Catalysts (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
SG925/85A 1980-05-21 1985-12-03 Silica from single phase controlled hydrolysis of silicate ester SG92585G (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/151,847 US4301034A (en) 1980-05-21 1980-05-21 Silica from single phase controlled hydrolysis of silicate ester

Publications (1)

Publication Number Publication Date
SG92585G true SG92585G (en) 1986-07-25

Family

ID=22540473

Family Applications (1)

Application Number Title Priority Date Filing Date
SG925/85A SG92585G (en) 1980-05-21 1985-12-03 Silica from single phase controlled hydrolysis of silicate ester

Country Status (11)

Country Link
US (1) US4301034A (fr)
EP (1) EP0040362B1 (fr)
JP (1) JPS577814A (fr)
AT (1) ATE12088T1 (fr)
AU (1) AU546722B2 (fr)
CA (1) CA1156208A (fr)
DE (1) DE3169233D1 (fr)
ES (1) ES502349A0 (fr)
GB (1) GB2076384B (fr)
NO (1) NO160351C (fr)
SG (1) SG92585G (fr)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CS208879B1 (en) * 1979-07-09 1981-10-30 Ivan Novak Preparation method of silicic acid xerogel with high volumen of pores
US4454293A (en) * 1981-11-20 1984-06-12 Phillips Petroleum Company Polymerization using partially hydrolyzed silicate treatment of catalyst support
US4419268A (en) * 1981-11-20 1983-12-06 Phillips Petroleum Company Partially hydrolyzed silicate treatment of catalyst support
US4647442A (en) * 1983-12-19 1987-03-03 Mobil Oil Corporation Crystalline silicophosphoaluminate from a two phase medium
US4543341A (en) * 1983-12-23 1985-09-24 Massachusetts Institute Of Technology Synthesis and processing of monosized oxide powders
US4547557A (en) * 1984-07-09 1985-10-15 Phillips Petroleum Company Silica-titania cogel from two-step hydrolysis
AU5071285A (en) * 1984-12-13 1986-06-19 South African Inventions Development Corp. Production of complex metal hydroxide powders
JPH069660B2 (ja) * 1986-10-30 1994-02-09 株式会社中戸研究所 金属アルコキシドのゾルーゲル法触媒およびそれを用いたゾルーゲル法
GB8707526D0 (en) * 1987-03-30 1987-05-07 Unilever Plc Amorphous silicas
EP0328715B1 (fr) * 1988-02-19 1992-08-05 Tohru Yamamoto Catalyseur pour la méthode sol-gel utilisant un alkoxyde métallique et méthode sol-gel l'utilisant
US4943425A (en) * 1988-04-01 1990-07-24 Gte Laboratories Incorporated Method of making high purity dense silica of large particle size
US5158758A (en) * 1989-04-24 1992-10-27 International Minerals & Chemical Corp. Production of silica having high specific surface area
US5073531A (en) * 1990-05-07 1991-12-17 Phillips Petroleum Company Olefin polymerization catalysts and preparation method
GB9210265D0 (en) * 1992-05-13 1992-07-01 Unilever Plc Catalysts and catalyst supports
DE4309660A1 (de) * 1993-03-25 1994-09-29 Studiengesellschaft Kohle Mbh Selektive anorganische Katalysatoren in Form von molekularen Abdrücken in Hohlräumen
US5372983A (en) * 1993-05-24 1994-12-13 W. R. Grace & Co.-Conn. Preparation of catalysts and supports
US5670438A (en) * 1993-10-27 1997-09-23 Phillips Petroleum Company Catalyst compositions and catalytic processes
FR2736342B1 (fr) * 1995-07-07 1999-01-29 Univ Claude Bernard Lyon Procede pour la fabrication d'aerogels de silice monolithiques et aerogels de silice ainsi obtenus
WO1998030520A1 (fr) 1997-01-08 1998-07-16 Hercules Incorporated Acides solides d'oxydes de metaux utilises comme catalyseurs pour la preparation de resines d'hydrocarbure
US6826927B2 (en) * 2000-06-28 2004-12-07 Mitsubishi Materials Quartz Corporation Synthetic quartz powder, its production process, and synthetic quartz crucible
EP1569969B1 (fr) * 2002-12-10 2010-03-24 Basell Polyolefine GmbH Catalyseur supporte a base de chrome et son utilisation dans la preparation d'homopolymeres et de copolymeres d'ethylene
CN101918312A (zh) * 2007-06-04 2010-12-15 全技术联合公司 二氧化硅颗粒及其制备方法和使用方法
US8399580B2 (en) 2010-08-11 2013-03-19 Chevron Philips Chemical Company Lp Additives to chromium catalyst mix tank
US8440772B2 (en) 2011-04-28 2013-05-14 Chevron Phillips Chemical Company Lp Methods for terminating olefin polymerizations
US8487053B2 (en) 2011-11-30 2013-07-16 Chevron Phillips Chemical Company Lp Methods for removing polymer skins from reactor walls
US8501882B2 (en) 2011-12-19 2013-08-06 Chevron Phillips Chemical Company Lp Use of hydrogen and an organozinc compound for polymerization and polymer property control
US8703883B2 (en) 2012-02-20 2014-04-22 Chevron Phillips Chemical Company Lp Systems and methods for real-time catalyst particle size control in a polymerization reactor
US10273315B2 (en) 2012-06-20 2019-04-30 Chevron Phillips Chemical Company Lp Methods for terminating olefin polymerizations
US8916494B2 (en) 2012-08-27 2014-12-23 Chevron Phillips Chemical Company Lp Vapor phase preparation of fluorided solid oxides
US8940842B2 (en) 2012-09-24 2015-01-27 Chevron Phillips Chemical Company Lp Methods for controlling dual catalyst olefin polymerizations
US9708426B2 (en) 2015-06-01 2017-07-18 Chevron Phillips Chemical Company Lp Liquid-solid sampling system for a loop slurry reactor
US10005861B2 (en) 2016-06-09 2018-06-26 Chevron Phillips Chemical Company Lp Methods for increasing polymer production rates with halogenated hydrocarbon compounds
US10300460B1 (en) 2017-11-17 2019-05-28 Chevron Phillips Chemical Company L.P. Aqueous methods for titanating a chromium/silica catalyst
US10259893B1 (en) 2018-02-20 2019-04-16 Chevron Phillips Chemical Company Lp Reinforcement of a chromium/silica catalyst with silicate oligomers
US10774161B2 (en) 2019-01-31 2020-09-15 Chevron Phillips Chemical Company Lp Systems and methods for polyethylene recovery with low volatile content
US11186656B2 (en) 2019-05-24 2021-11-30 Chevron Phillips Chemical Company Lp Preparation of large pore silicas and uses thereof in chromium catalysts for olefin polymerization
US12077616B2 (en) 2021-12-15 2024-09-03 Chevron Phillips Chemical Company Lp Production of polyethylene and ethylene oligomers from ethanol and the use of biomass and waste streams as feedstocks to produce the ethanol
US11845814B2 (en) 2022-02-01 2023-12-19 Chevron Phillips Chemical Company Lp Ethylene polymerization processes and reactor systems for the production of multimodal polymers using combinations of a loop reactor and a fluidized bed reactor
US20230331875A1 (en) 2022-04-19 2023-10-19 Chevron Phillips Chemical Company Lp Loop slurry periodogram control to prevent reactor fouling and reactor shutdowns

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3354095A (en) * 1964-07-23 1967-11-21 Owens Illinois Inc Solid, substantially spherical, hard particles and preparation thereof
US3321276A (en) * 1965-10-23 1967-05-23 Owens Illinois Inc Preparation of silica gel
US3442824A (en) * 1967-05-12 1969-05-06 Hempel S Marine Paints Inc Polymeric compositions and protective coatings
FR1568817A (fr) * 1967-11-30 1969-05-30
US4006175A (en) * 1969-12-18 1977-02-01 Dynamit Nobel Aktiengesellschaft Porous silicic acid and its production
DE1963439A1 (de) * 1969-12-18 1971-06-24 Dynamit Nobel Ag Verfahren zur Herstellung poroeser Kieselsaeure
US3709833A (en) * 1970-08-21 1973-01-09 Owens Illinois Inc Process for preparing high purity silicon oxide porous beads doped with small quantities of other oxides
US3979215A (en) * 1972-05-25 1976-09-07 Zirconal Processes Limited Refractory articles and methods of producing same
US4119569A (en) * 1973-05-24 1978-10-10 Phillips Petroleum Company Olefin polymerization catalyst
US3948806A (en) * 1973-07-26 1976-04-06 Phillips Petroleum Company Large pore silica and polymerization catalyst
JPS50140397A (fr) * 1974-04-30 1975-11-11
JPS5134219A (fr) * 1974-09-17 1976-03-23 Tokyo Shibaura Electric Co
DD114245A1 (fr) * 1974-09-30 1975-07-20
US4188471A (en) * 1974-12-04 1980-02-12 Phillips Petroleum Company Organochromium on titanium-impregnated base as olefin polymerization catalyst
JPS5223640A (en) * 1975-08-15 1977-02-22 Tokyo Electric Power Co Inc:The Protective relay
US4206297A (en) * 1977-04-25 1980-06-03 Chemplex Company Polymerization catalysts and methods
NL7707961A (nl) * 1977-07-18 1979-01-22 Stamicarbon Werkwijze ter bereiding van poreus, zuiver siliciumdioxyde.

Also Published As

Publication number Publication date
GB2076384B (en) 1984-12-05
ES8300305A1 (es) 1982-11-01
GB2076384A (en) 1981-12-02
ATE12088T1 (de) 1985-03-15
EP0040362A1 (fr) 1981-11-25
ES502349A0 (es) 1982-11-01
CA1156208A (fr) 1983-11-01
JPH0338207B2 (fr) 1991-06-10
NO811718L (no) 1981-11-23
NO160351B (no) 1989-01-02
NO160351C (no) 1989-04-12
AU546722B2 (en) 1985-09-19
EP0040362B1 (fr) 1985-03-13
US4301034A (en) 1981-11-17
DE3169233D1 (en) 1985-04-18
JPS577814A (en) 1982-01-16
AU6916781A (en) 1981-11-26

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