BR8906728A - Processo para a prevencao de incrustacao de superficies metalicas expostas a gases de alfa-olefinas reativos durante a producao de resinas polimericas; e processo para inbicao de aglomeracao de polimeros em trocadores de calor durante a polimerizacao de alfa-olefinas - Google Patents

Processo para a prevencao de incrustacao de superficies metalicas expostas a gases de alfa-olefinas reativos durante a producao de resinas polimericas; e processo para inbicao de aglomeracao de polimeros em trocadores de calor durante a polimerizacao de alfa-olefinas

Info

Publication number
BR8906728A
BR8906728A BR898906728A BR8906728A BR8906728A BR 8906728 A BR8906728 A BR 8906728A BR 898906728 A BR898906728 A BR 898906728A BR 8906728 A BR8906728 A BR 8906728A BR 8906728 A BR8906728 A BR 8906728A
Authority
BR
Brazil
Prior art keywords
alpha
during
inbication
olefine
olefins
Prior art date
Application number
BR898906728A
Other languages
English (en)
Inventor
John Mitchell Jenkins Iii
James Douglas Mccullough Jr
Steven Paul Sawin
Original Assignee
Union Carbide Chem Plastic
Shell Oil 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 Union Carbide Chem Plastic, Shell Oil Co filed Critical Union Carbide Chem Plastic
Publication of BR8906728A publication Critical patent/BR8906728A/pt

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
    • C08F2/00—Processes of polymerisation
    • 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
    • C08F2/00—Processes of polymerisation
    • C08F2/002—Scale prevention in a polymerisation reactor or its auxiliary parts
    • C08F2/004—Scale prevention in a polymerisation reactor or its auxiliary parts by a prior coating on the reactor walls
    • 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
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
    • B01J8/26—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with two or more fluidised beds, e.g. reactor and regeneration installations
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerisation Methods In General (AREA)
BR898906728A 1988-12-23 1989-12-22 Processo para a prevencao de incrustacao de superficies metalicas expostas a gases de alfa-olefinas reativos durante a producao de resinas polimericas; e processo para inbicao de aglomeracao de polimeros em trocadores de calor durante a polimerizacao de alfa-olefinas BR8906728A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/289,266 US4956427A (en) 1988-12-23 1988-12-23 Process for reducing polymer build-up in polymerization equipment during polymerization of alpha-olefins

Publications (1)

Publication Number Publication Date
BR8906728A true BR8906728A (pt) 1990-09-11

Family

ID=23110779

Family Applications (1)

Application Number Title Priority Date Filing Date
BR898906728A BR8906728A (pt) 1988-12-23 1989-12-22 Processo para a prevencao de incrustacao de superficies metalicas expostas a gases de alfa-olefinas reativos durante a producao de resinas polimericas; e processo para inbicao de aglomeracao de polimeros em trocadores de calor durante a polimerizacao de alfa-olefinas

Country Status (9)

Country Link
US (1) US4956427A (pt)
EP (1) EP0374969B1 (pt)
JP (1) JPH02263802A (pt)
KR (1) KR940006444B1 (pt)
AU (1) AU615128B2 (pt)
BR (1) BR8906728A (pt)
CA (1) CA2006589A1 (pt)
DE (1) DE68917441T2 (pt)
MY (1) MY105881A (pt)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5037905A (en) * 1989-12-07 1991-08-06 Union Carbide Chemicals And Plastics Technology Corporation Process for reducing polymer build-up in heat exchangers during polymerization of alpha-olefins
US5421865A (en) * 1993-10-29 1995-06-06 United Technologies Corporation Water based silicone coating compositions
US5416175A (en) * 1993-12-17 1995-05-16 Union Carbide Chemicals & Plastics Technology Corporation Method for reducing sheeting during polymerization of α-olefins
US5733988A (en) * 1994-06-29 1998-03-31 Union Carbide Chemicals & Plastics Technology Corporation Process for reducing polymer build-up in recycle lines and heat exchangers during polymerizations employing butadiene, isoprene, and/or styrene
DE69518423T2 (de) * 1995-10-10 2000-12-14 Bayer Ag Kontinuierliches Verfahren zur Herstellung von sehr stabilen, feinstteiligen, niedrig viskösen Polymerpolyolen mit niedriger durchmittlicher Teilchengrösse
US5969061A (en) * 1995-10-16 1999-10-19 Eastman Chemical Company Suppression of fines in a fluid bed polyethylene process
US7919561B2 (en) * 1996-09-04 2011-04-05 Exxonmobil Chemical Patents Inc. Process of producing thermoplastic polymer blends
US6359083B1 (en) 2000-05-02 2002-03-19 Eastman Chemical Company Olefin polymerization process
KR20050084590A (ko) * 2002-09-27 2005-08-26 유니베이션 테크놀로지즈, 엘엘씨 반응기 벽 코팅물 및 이의 형성 방법
CA2669177A1 (en) * 2006-12-04 2008-06-12 Univation Technologies, Llc Semi-conductive coatings for a polyolefin reaction system
US8129482B2 (en) * 2008-02-27 2012-03-06 Westlake Longview Corporation Method of preventing or reducing polymer agglomeration on grid in fluidized-bed reactors
US8124697B2 (en) * 2008-02-27 2012-02-28 Westlake Longview Corporation Method of preventing or reducing agglomeration on grid in fluidized-bed vessel
US8067509B2 (en) * 2008-04-22 2011-11-29 Univation Technologies, Llc Reactor systems and processes for using the same
KR101462466B1 (ko) 2013-03-07 2014-11-17 대림산업 주식회사 올레핀의 중합 방법
KR102018279B1 (ko) 2017-03-23 2019-09-04 에스케이이노베이션 주식회사 파울링 방지제 및 이를 이용한 올레핀의 올리고머화 방법
KR102284949B1 (ko) 2017-06-16 2021-08-03 에스케이이노베이션 주식회사 파울링 방지방법 및 올레핀의 올리고머화 방법

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3637570A (en) * 1969-02-25 1972-01-25 Us Air Force Process for producing protective coating of siloxane resin and product produced
JPS5813564B2 (ja) * 1976-07-30 1983-03-14 信越化学工業株式会社 ジエン系単量体の重合方法
JPS5341386A (en) * 1976-09-28 1978-04-14 Mitsubishi Chem Ind Ltd Preparation of acrylamide polymer
JPS5950269B2 (ja) * 1980-05-23 1984-12-07 住友軽金属工業株式会社 熱交換器の伝熱管内面防食用被覆組成物
DE3149320A1 (de) * 1981-12-12 1983-06-16 Hoechst Ag, 6230 Frankfurt Verfahren zur herstellung von vinylchlorid-polymerisaten
US4675368A (en) * 1982-10-04 1987-06-23 Solvay & Cie. Process for inhibiting crust formation in reactors during alpha-olefin prepolymerization modification of Ziegler catalyst
JPS62273202A (ja) * 1986-05-21 1987-11-27 Kanegafuchi Chem Ind Co Ltd スケ−ル防止剤の製法
EP0254234B1 (en) * 1986-07-22 1996-03-13 Mitsubishi Chemical Corporation Method for producing an alpha-olefin block copolymer

Also Published As

Publication number Publication date
EP0374969A2 (en) 1990-06-27
JPH02263802A (ja) 1990-10-26
AU615128B2 (en) 1991-09-19
EP0374969B1 (en) 1994-08-10
MY105881A (en) 1995-02-28
AU4707589A (en) 1990-06-28
KR940006444B1 (ko) 1994-07-20
DE68917441T2 (de) 1994-12-08
DE68917441D1 (de) 1994-09-15
US4956427A (en) 1990-09-11
EP0374969A3 (en) 1991-08-28
CA2006589A1 (en) 1990-06-23
KR900009703A (ko) 1990-07-05

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