AU6715990A - Polymerization reactor scale prevention - Google Patents

Polymerization reactor scale prevention

Info

Publication number
AU6715990A
AU6715990A AU67159/90A AU6715990A AU6715990A AU 6715990 A AU6715990 A AU 6715990A AU 67159/90 A AU67159/90 A AU 67159/90A AU 6715990 A AU6715990 A AU 6715990A AU 6715990 A AU6715990 A AU 6715990A
Authority
AU
Australia
Prior art keywords
polymerization reactor
scale prevention
reactor scale
prevention
polymerization
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
AU67159/90A
Inventor
Raymond C. Dewald
Paul O. Hong
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Occidental Chemical Corp
Original Assignee
Occidental Chemical Corp
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
Priority claimed from US07/344,269 external-priority patent/US5013991A/en
Priority claimed from US07/424,415 external-priority patent/US5298578A/en
Application filed by Occidental Chemical Corp filed Critical Occidental Chemical Corp
Publication of AU6715990A publication Critical patent/AU6715990A/en
Abandoned legal-status Critical Current

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
    • C08F2/002—Scale prevention in a polymerisation reactor or its auxiliary parts
    • C08F2/005—Scale prevention in a polymerisation reactor or its auxiliary parts by addition of a scale inhibitor to the polymerisation medium
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D279/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom and one sulfur atom as the only ring hetero atoms
    • C07D279/10—1,4-Thiazines; Hydrogenated 1,4-thiazines
    • C07D279/14—1,4-Thiazines; Hydrogenated 1,4-thiazines condensed with carbocyclic rings or ring systems
    • C07D279/18—[b, e]-condensed with two six-membered rings
    • C07D279/20—[b, e]-condensed with two six-membered rings with hydrogen atoms directly attached to the ring nitrogen atom
    • 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
    • C08F14/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen
    • C08F14/02—Monomers containing chlorine
    • C08F14/04—Monomers containing two carbon atoms
    • C08F14/06—Vinyl chloride
    • 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
AU67159/90A 1989-04-27 1990-10-17 Polymerization reactor scale prevention Abandoned AU6715990A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/344,269 US5013991A (en) 1989-04-27 1989-04-27 Multi-voltage alternator with integral bank switched bridge
US07/424,415 US5298578A (en) 1987-07-30 1989-10-20 Use of phenothiazine derivatives to inhibit scale build up during polymerization of vinyl chloride
US424415 1989-10-20

Publications (1)

Publication Number Publication Date
AU6715990A true AU6715990A (en) 1991-05-31

Family

ID=26977816

Family Applications (1)

Application Number Title Priority Date Filing Date
AU67159/90A Abandoned AU6715990A (en) 1989-04-27 1990-10-17 Polymerization reactor scale prevention

Country Status (6)

Country Link
EP (1) EP0496816A4 (en)
JP (2) JP3053212B2 (en)
CN (1) CN1036400C (en)
AU (1) AU6715990A (en)
NO (1) NO912407D0 (en)
WO (1) WO1991006576A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0702033B1 (en) 1994-09-14 1997-12-03 Shin-Etsu Chemical Co., Ltd. Process of producing vinyl chloride type polymer
US6174986B1 (en) 1996-12-20 2001-01-16 Mitsui Chemicals, Inc. Polymerization of vinyl chloride
CN104067175B (en) * 2012-02-01 2018-01-02 日产化学工业株式会社 Resist lower membrane formation composition containing the copolymer resins with heterocycle
CN109983101A (en) * 2016-12-19 2019-07-05 沙特基础工业全球技术有限公司 The method for handling hydrocarbon stream stock

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4180634A (en) * 1975-07-18 1979-12-25 Shin-Etsu Chemical Co., Ltd. Polymerizing vinyl chloride with lowering of scale formation
BE859630A (en) * 1976-10-12 1978-04-12 Kanegafuchi Chemical Ind VINYL CHLORIDE POLYMERIZATION PROCESS
US4229150A (en) * 1978-06-02 1980-10-21 Teague Jr Walter D Anti-rotation arrangement for nutating fluid device
JPH0696617B2 (en) * 1987-04-22 1994-11-30 信越化学工業株式会社 Method for producing vinyl chloride polymer
US4853446A (en) * 1987-07-30 1989-08-01 Occidental Chemical Corporation Phenothiazine composition for use in reactor scale prevention

Also Published As

Publication number Publication date
NO912407L (en) 1991-06-20
JP2000169460A (en) 2000-06-20
JPH05501892A (en) 1993-04-08
JP3053212B2 (en) 2000-06-19
NO912407D0 (en) 1991-06-20
JP3305690B2 (en) 2002-07-24
CN1051044A (en) 1991-05-01
EP0496816A4 (en) 1992-10-28
WO1991006576A1 (en) 1991-05-16
CN1036400C (en) 1997-11-12
EP0496816A1 (en) 1992-08-05

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