IT1031882B - Processo per la preparazione di polimeri olefinici in piccole particelle - Google Patents

Processo per la preparazione di polimeri olefinici in piccole particelle

Info

Publication number
IT1031882B
IT1031882B IT20446/75A IT2044675A IT1031882B IT 1031882 B IT1031882 B IT 1031882B IT 20446/75 A IT20446/75 A IT 20446/75A IT 2044675 A IT2044675 A IT 2044675A IT 1031882 B IT1031882 B IT 1031882B
Authority
IT
Italy
Prior art keywords
preparation
small particles
olefinic polymers
olefinic
polymers
Prior art date
Application number
IT20446/75A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT1031882B publication Critical patent/IT1031882B/it

Links

Classifications

    • 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
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18—Stationary reactors having moving elements inside
    • B01J19/1812—Tubular reactors
    • B01J19/1837—Loop-type reactors
    • 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
    • B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
    • B01J3/04—Pressure vessels, e.g. autoclaves
    • B01J3/044—Pressure vessels, e.g. autoclaves in the form of a loop
    • 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
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/005—Separating solid material from the gas/liquid stream
    • B01J8/0055—Separating solid material from the gas/liquid stream using cyclones
    • 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
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/005—Separating solid material from the gas/liquid stream
    • B01J8/007—Separating solid material from the gas/liquid stream by sedimentation
    • 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
    • C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • 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
    • 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
    • C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F110/02—Ethene
IT20446/75A 1974-03-01 1975-02-19 Processo per la preparazione di polimeri olefinici in piccole particelle IT1031882B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2409839A DE2409839C2 (de) 1974-03-01 1974-03-01 Verfahren zum Herstellen kleinteiliger Olefinpolymerisate

Publications (1)

Publication Number Publication Date
IT1031882B true IT1031882B (it) 1979-05-10

Family

ID=5908832

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20446/75A IT1031882B (it) 1974-03-01 1975-02-19 Processo per la preparazione di polimeri olefinici in piccole particelle

Country Status (10)

Country Link
US (1) US4007321A (it)
JP (1) JPS50142688A (it)
AT (1) AT332118B (it)
BE (1) BE826072A (it)
DE (1) DE2409839C2 (it)
ES (1) ES435198A1 (it)
FR (1) FR2262672B1 (it)
GB (1) GB1488441A (it)
IT (1) IT1031882B (it)
NO (1) NO750670L (it)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4199546A (en) * 1978-03-16 1980-04-22 Chemplex Company Manufacture and recovery of olefin polymer particles
US4395523A (en) * 1978-03-16 1983-07-26 Chemplex Company Method of making and recovering olefin polymer particles
US4452956A (en) * 1979-11-09 1984-06-05 Union Carbide Corporation Discrete spiral flow imparting device
US4448929A (en) * 1981-08-26 1984-05-15 Stauffer Chemical Company Encapsulation process
DE3306249A1 (de) * 1983-02-23 1984-08-23 Basf Ag, 6700 Ludwigshafen Verfahren zum kontinuierlichen herstellen partikelfoermiger ethylen-buten-(1)-copolymerisate
DE3612376A1 (de) * 1986-04-12 1987-10-15 Basf Ag Verfahren zum herstellen kleinteiliger homo- und copolymerisate des ethens unter verwendung eines fluessigen alkans als reaktionsmedium
DE3841436A1 (de) * 1988-12-09 1990-06-13 Basf Ag Verfahren zum herstellen von homo- sowie copolymerisaten des ethens durch phillips-katalyse
FI89929C (fi) * 1990-12-28 1993-12-10 Neste Oy Foerfarande foer homo- eller sampolymerisering av eten
US6239235B1 (en) * 1997-07-15 2001-05-29 Phillips Petroleum Company High solids slurry polymerization
US20020111441A1 (en) 1998-03-20 2002-08-15 Kendrick James Austin Continuous slurry polymerization volatile removal
US6281300B1 (en) * 1998-03-20 2001-08-28 Exxon Chemical Patents, Inc. Continuous slurry polymerization volatile removal
US7268194B2 (en) * 1998-03-20 2007-09-11 Exxonmobil Chemical Patents Inc. Continuous slurry polymerization process and apparatus
KR100531628B1 (ko) 1998-03-20 2005-11-29 엑손모빌 케미칼 패턴츠 인코포레이티드 연속적인 슬러리 중합반응의 휘발물질 제거
CN1166444C (zh) 1998-03-20 2004-09-15 埃克森美孚化学专利公司 浆液聚合中的挥发性物质的连续除去
CA2330967C (en) * 1998-05-18 2009-07-28 Exxon Chemical Patents, Inc. Continuous volatile removal in slurry polymerization
US6113729A (en) * 1998-08-10 2000-09-05 Borden Chemical, Inc. Wax sizing and resin bonding of a lignocellulosic composite
US6214944B1 (en) 1999-02-02 2001-04-10 Fina Technology, Inc. Method for pressurizing a propylene polymerization reactor
CA2379424A1 (en) * 1999-07-15 2001-01-25 Phillips Petroleum Company Slotted slurry take off
GB2358816A (en) * 2000-02-03 2001-08-08 Aea Technology Plc Reaction of bouyant solids.
US7015289B2 (en) * 2002-09-13 2006-03-21 Chevron Phillips Chemical Company, Lp Process and apparatus for reducing take-off valve plugging in a polymerization process
EP1765892A2 (en) * 2004-06-21 2007-03-28 Exxonmobil Chemical Patents Inc. Polymerization process
US7728084B2 (en) * 2004-06-21 2010-06-01 Exxonmobil Chemical Patents Inc. Polymerization process
US7691956B2 (en) * 2004-06-21 2010-04-06 Exxonmobil Chemical Patents Inc. Polymerization process
EP2007511A1 (de) * 2006-04-11 2008-12-31 Basf Se Kontinuierliches verfahren zur durchführung einer reaktion
US8344078B2 (en) 2010-05-21 2013-01-01 Chevron Phillips Chemical Company Lp Continuous take off technique and pressure control of polymerization reactors
US10029230B1 (en) 2017-01-24 2018-07-24 Chevron Phillips Chemical Company Lp Flow in a slurry loop reactor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3203766A (en) * 1961-07-06 1965-08-31 Phillips Petroleum Co Apparatus for the recovery of solids from pressure vessels
DE1520359A1 (de) * 1963-01-04 1970-01-02 Monsanto Co Verfahren zur Herstellung von normaler? festen ?
US3816383A (en) * 1972-05-01 1974-06-11 Nat Petro Chem Separation of olefin polymers

Also Published As

Publication number Publication date
AT332118B (de) 1976-09-10
DE2409839C2 (de) 1982-11-18
NO750670L (it) 1975-09-02
GB1488441A (en) 1977-10-12
FR2262672B1 (it) 1978-07-13
DE2409839A1 (de) 1975-09-11
ATA159375A (de) 1975-12-15
BE826072A (fr) 1975-08-27
ES435198A1 (es) 1976-12-01
JPS50142688A (it) 1975-11-17
FR2262672A1 (it) 1975-09-26
US4007321A (en) 1977-02-08

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