FI58929C - Foerfarande foer framstaellning av hoegmolekylaera polyakrylamidhartser - Google Patents

Foerfarande foer framstaellning av hoegmolekylaera polyakrylamidhartser Download PDF

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Publication number
FI58929C
FI58929C FI3903/73A FI390373A FI58929C FI 58929 C FI58929 C FI 58929C FI 3903/73 A FI3903/73 A FI 3903/73A FI 390373 A FI390373 A FI 390373A FI 58929 C FI58929 C FI 58929C
Authority
FI
Finland
Prior art keywords
polymerization
catalyst
acrylamide
molecular weight
polyacrylamid
Prior art date
Application number
FI3903/73A
Other languages
English (en)
Finnish (fi)
Other versions
FI58929B (fi
Inventor
Shin-Ichi Isaoka
Tutomu Shintani
Shigenori Taziri
Shiro Sakai
Wataru Thoma
Original Assignee
Sumitomo Chemical 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 Sumitomo Chemical Co filed Critical Sumitomo Chemical Co
Publication of FI58929B publication Critical patent/FI58929B/fi
Application granted granted Critical
Publication of FI58929C publication Critical patent/FI58929C/fi

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • 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
    • C08F20/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
    • C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
    • C08F20/52—Amides or imides
    • C08F20/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
    • C08F20/56—Acrylamide; Methacrylamide
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S526/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S526/91—Suspending agents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (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)
  • Polymerisation Methods In General (AREA)
  • Polymerization Catalysts (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
FI3903/73A 1973-01-25 1973-12-18 Foerfarande foer framstaellning av hoegmolekylaera polyakrylamidhartser FI58929C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP48010861A JPS5144556B2 (de) 1973-01-25 1973-01-25
JP1086173 1973-01-25

Publications (2)

Publication Number Publication Date
FI58929B FI58929B (fi) 1981-01-30
FI58929C true FI58929C (fi) 1981-05-11

Family

ID=11762124

Family Applications (1)

Application Number Title Priority Date Filing Date
FI3903/73A FI58929C (fi) 1973-01-25 1973-12-18 Foerfarande foer framstaellning av hoegmolekylaera polyakrylamidhartser

Country Status (11)

Country Link
US (1) US3931122A (de)
JP (1) JPS5144556B2 (de)
CA (1) CA1023495A (de)
CH (1) CH592692A5 (de)
DE (1) DE2403629C2 (de)
FI (1) FI58929C (de)
FR (1) FR2215431B1 (de)
GB (1) GB1445522A (de)
IT (1) IT1009089B (de)
NL (1) NL7400946A (de)
SE (1) SE411761B (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5487163U (de) * 1977-11-30 1979-06-20
GB2014161B (en) * 1978-02-13 1982-05-19 American Cyanamid Co Free radical polymerization process
JPS58219205A (ja) * 1982-06-14 1983-12-20 Nitto Chem Ind Co Ltd アクリルアミド重合体の製造法
JPS59155022U (ja) * 1983-04-06 1984-10-18 アサヒ軽金属工業株式会社 鍋
IL108253A0 (en) * 1993-12-28 1994-04-12 Yeda Res & Dev Rechargeable zinc halide electrochemical cell
US5552501A (en) * 1994-05-02 1996-09-03 Patel; Kamala D. Method for the rapid free radical polymerization of acrylamide co-polymers using tetramethylamine catalysts
US5961839A (en) * 1997-02-07 1999-10-05 Simmsgeiger; Patrick A. Method for clearing ornamental bodies of water
CN102408576A (zh) * 2011-11-11 2012-04-11 广州大学 制备速溶阳离子聚丙烯酰胺粉体的方法
CN105540731B (zh) * 2015-12-30 2018-07-27 青岛康景辉环境科技集团有限公司 一种化工废水处理方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3002960A (en) * 1958-08-18 1961-10-03 American Cyanamid Co Polyacrylamide preparation
US3414514A (en) * 1966-11-15 1968-12-03 Hercules Inc Process of dewatering a concentrated sewage slurry
US3509113A (en) * 1967-08-14 1970-04-28 Hercules Inc Preparation of acrylamide-type water-soluble polymers
GB1206711A (en) * 1968-01-04 1970-09-30 Dow Chemical Co Acrylic acid polymers

Also Published As

Publication number Publication date
FI58929B (fi) 1981-01-30
JPS4999591A (de) 1974-09-20
IT1009089B (it) 1976-12-10
DE2403629A1 (de) 1974-08-01
SE411761B (sv) 1980-02-04
DE2403629C2 (de) 1983-04-14
GB1445522A (en) 1976-08-11
CA1023495A (en) 1977-12-27
FR2215431B1 (de) 1978-02-10
JPS5144556B2 (de) 1976-11-29
CH592692A5 (de) 1977-11-15
FR2215431A1 (de) 1974-08-23
NL7400946A (de) 1974-07-29
US3931122A (en) 1976-01-06

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