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GB1368670A - Process for producing acrylamide polymers - Google Patents

Process for producing acrylamide polymers

Info

Publication number
GB1368670A
GB1368670A GB4048972A GB4048972A GB1368670A GB 1368670 A GB1368670 A GB 1368670A GB 4048972 A GB4048972 A GB 4048972A GB 4048972 A GB4048972 A GB 4048972A GB 1368670 A GB1368670 A GB 1368670A
Authority
GB
United Kingdom
Prior art keywords
acrylamide polymers
producing acrylamide
producing
polymers
acrylamide
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.)
Expired
Application number
GB4048972A
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.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical Co Ltd
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 Ltd filed Critical Sumitomo Chemical Co Ltd
Priority to FR7230984A priority Critical patent/FR2197895B1/fr
Priority to GB4048972A priority patent/GB1368670A/en
Priority to DE19722243155 priority patent/DE2243155C3/en
Publication of GB1368670A publication Critical patent/GB1368670A/en
Expired legal-status Critical Current

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
GB4048972A 1972-08-31 1972-08-31 Process for producing acrylamide polymers Expired GB1368670A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR7230984A FR2197895B1 (en) 1972-08-31 1972-08-31
GB4048972A GB1368670A (en) 1972-08-31 1972-08-31 Process for producing acrylamide polymers
DE19722243155 DE2243155C3 (en) 1972-08-31 1972-09-01 Process for the production of acrylamide polymers and their use as flocculants

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR7230984A FR2197895B1 (en) 1972-08-31 1972-08-31
GB4048972A GB1368670A (en) 1972-08-31 1972-08-31 Process for producing acrylamide polymers
DE19722243155 DE2243155C3 (en) 1972-08-31 1972-09-01 Process for the production of acrylamide polymers and their use as flocculants

Publications (1)

Publication Number Publication Date
GB1368670A true GB1368670A (en) 1974-10-02

Family

ID=27184682

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4048972A Expired GB1368670A (en) 1972-08-31 1972-08-31 Process for producing acrylamide polymers

Country Status (3)

Country Link
DE (1) DE2243155C3 (en)
FR (1) FR2197895B1 (en)
GB (1) GB1368670A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4075183A (en) 1974-12-19 1978-02-21 Sumitomo Chemical Company, Limited Preparation of water-soluble high polymers
US4138446A (en) 1974-12-19 1979-02-06 Sumitomo Chemical Company, Limited Water-soluble high polymers and their preparation
US5213893A (en) * 1990-09-14 1993-05-25 Nippon Shokubai Co., Ltd. Waterproofing agent for cable
CN115594439A (en) * 2022-10-31 2023-01-13 河海大学（Cn） Concrete composite additive and preparation method and application thereof

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55721A (en) * 1978-06-19 1980-01-07 Showa Denko Kk Aqueous dispersion of water-soluble high polymer complex
CN115626716A (en) * 2022-10-26 2023-01-20 广州维特利科技有限公司 High-activity microbial sewage treatment agent and preparation method thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH47A (en) * 1888-12-31 Georg Winkler Friedrich Sifting machine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4075183A (en) 1974-12-19 1978-02-21 Sumitomo Chemical Company, Limited Preparation of water-soluble high polymers
US4138446A (en) 1974-12-19 1979-02-06 Sumitomo Chemical Company, Limited Water-soluble high polymers and their preparation
US5213893A (en) * 1990-09-14 1993-05-25 Nippon Shokubai Co., Ltd. Waterproofing agent for cable
CN115594439A (en) * 2022-10-31 2023-01-13 河海大学（Cn） Concrete composite additive and preparation method and application thereof

Also Published As

Publication number Publication date
DE2243155A1 (en) 1974-03-28
DE2243155C3 (en) 1980-04-24
FR2197895B1 (en) 1975-03-07
DE2243155B2 (en) 1974-09-19
FR2197895A1 (en) 1974-03-29

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee