ATE129705T1 - Phenothiazindimere und oligomere, verfahren zur herstellung und verwendung zur verhütung von reaktorinkrustierungen. - Google Patents

Phenothiazindimere und oligomere, verfahren zur herstellung und verwendung zur verhütung von reaktorinkrustierungen.

Info

Publication number
ATE129705T1
ATE129705T1 AT88906688T AT88906688T ATE129705T1 AT E129705 T1 ATE129705 T1 AT E129705T1 AT 88906688 T AT88906688 T AT 88906688T AT 88906688 T AT88906688 T AT 88906688T AT E129705 T1 ATE129705 T1 AT E129705T1
Authority
AT
Austria
Prior art keywords
phenothiazine
formaldehyde
dimeres
oligomers
production
Prior art date
Application number
AT88906688T
Other languages
English (en)
Inventor
Raymond C Dewald
Paul O Hong
Original Assignee
Occidental Chem 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
Priority claimed from US07/079,315 external-priority patent/US4855424A/en
Application filed by Occidental Chem Co filed Critical Occidental Chem Co
Application granted granted Critical
Publication of ATE129705T1 publication Critical patent/ATE129705T1/de

Links

Classifications

    • 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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Nitrogen- Or Sulfur-Containing Heterocyclic Ring Compounds With Rings Of Six Or More Members (AREA)
  • Polymerisation Methods In General (AREA)
  • Materials For Medical Uses (AREA)
  • Formation And Processing Of Food Products (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Medicinal Preparation (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Polyurethanes Or Polyureas (AREA)
AT88906688T 1987-07-30 1988-07-26 Phenothiazindimere und oligomere, verfahren zur herstellung und verwendung zur verhütung von reaktorinkrustierungen. ATE129705T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/079,315 US4855424A (en) 1987-07-30 1987-07-30 Phenothiazine derivatives
US07/213,743 US4853446A (en) 1987-07-30 1988-06-30 Phenothiazine composition for use in reactor scale prevention

Publications (1)

Publication Number Publication Date
ATE129705T1 true ATE129705T1 (de) 1995-11-15

Family

ID=26761858

Family Applications (1)

Application Number Title Priority Date Filing Date
AT88906688T ATE129705T1 (de) 1987-07-30 1988-07-26 Phenothiazindimere und oligomere, verfahren zur herstellung und verwendung zur verhütung von reaktorinkrustierungen.

Country Status (13)

Country Link
US (1) US4853446A (de)
EP (1) EP0332666B1 (de)
JP (1) JP2680394B2 (de)
KR (1) KR960007168B1 (de)
CN (2) CN1022627C (de)
AT (1) ATE129705T1 (de)
AU (1) AU618552B2 (de)
BR (1) BR8807173A (de)
CA (1) CA1307262C (de)
DE (1) DE3854647T2 (de)
HU (1) HU207725B (de)
NO (1) NO177497C (de)
WO (1) WO1989000993A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5298578A (en) * 1987-07-30 1994-03-29 Occidental Chemical Corporation Use of phenothiazine derivatives to inhibit scale build up during polymerization of vinyl chloride
US5243000A (en) * 1987-07-30 1993-09-07 Occidental Chemical Corporation Process for making polyvinyl chloride using phenothiazine oligomer
AU6715990A (en) * 1989-04-27 1991-05-31 Occidental Chemical Corporation Polymerization reactor scale prevention
US5155148A (en) * 1989-09-25 1992-10-13 The Goodyear Tire & Rubber Company Ester derivatives from p-hydroxydiphenylamine
US6174986B1 (en) 1996-12-20 2001-01-16 Mitsui Chemicals, Inc. Polymerization of vinyl chloride
EP1915384B1 (de) 2005-08-19 2012-01-11 Dow Corning Toray Co., Ltd. Verfahren zur herstellung einer organischen siliciumverbindung, die eine methacryloxygruppe oder eine acryloxygruppe enthält
JP5247997B2 (ja) * 2005-08-19 2013-07-24 東レ・ダウコーニング株式会社 メタクリロキシ基またはアクリロキシ基含有有機ケイ素化合物の製造方法
EP2581421A1 (de) * 2011-10-12 2013-04-17 Ineos Europe AG Zusatzstoff
JP6772103B2 (ja) * 2017-04-12 2020-10-21 横河電機株式会社 重合抑制システム及び重合抑制方法
CN106986957A (zh) * 2017-05-04 2017-07-28 宜宾天原集团股份有限公司 本体法聚氯乙烯防粘釜生产方法
KR102803771B1 (ko) 2019-07-09 2025-05-02 에스케이이노베이션 주식회사 윤활 조성물 및 이를 이용한 공중합체의 제조 방법

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US455834A (en) * 1891-07-14 Oliver swedberg and edward swedberg
US3565834A (en) * 1964-10-09 1971-02-23 Basf Ag Production of polyamide moldings
JPS54141896A (en) * 1978-04-26 1979-11-05 Fuji Photo Film Co Ltd Photoconductive polymeric material
DE3111513A1 (de) * 1981-03-24 1982-10-21 Bayer Ag, 5090 Leverkusen Neue stabilisatoren
DE3127750A1 (de) * 1981-07-14 1983-02-03 Bayer Ag, 5090 Leverkusen Stabilisatorhaltige reaktivkomponenten fuer pu-schaumstoffe, neue stabilisatoren und ein verfahren zur herstellung der stabilisatoren
US4529500A (en) * 1984-08-10 1985-07-16 Atlantic Richfield Method for minimizing fouling of heat exchanger

Also Published As

Publication number Publication date
EP0332666A1 (de) 1989-09-20
KR960007168B1 (ko) 1996-05-29
NO177497B (no) 1995-06-19
HUT49866A (en) 1989-11-28
CN1031228A (zh) 1989-02-22
DE3854647T2 (de) 1996-03-21
EP0332666A4 (de) 1989-05-30
AU2257588A (en) 1989-03-01
BR8807173A (pt) 1989-10-03
HU207725B (en) 1993-05-28
EP0332666B1 (de) 1995-11-02
CN1022627C (zh) 1993-11-03
JPH02500845A (ja) 1990-03-22
KR890701573A (ko) 1989-12-21
NO891237D0 (no) 1989-03-21
US4853446A (en) 1989-08-01
CA1307262C (en) 1992-09-08
WO1989000993A1 (en) 1989-02-09
DE3854647D1 (de) 1995-12-07
AU618552B2 (en) 1992-01-02
JP2680394B2 (ja) 1997-11-19
NO177497C (no) 1995-09-27
NO891237L (no) 1989-04-06
CN1079969A (zh) 1993-12-29
CN1039233C (zh) 1998-07-22

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Legal Events

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