GB1377537A - Storage stable polyacrylamide particles and process for their production - Google Patents

Storage stable polyacrylamide particles and process for their production

Info

Publication number
GB1377537A
GB1377537A GB4020572A GB4020572A GB1377537A GB 1377537 A GB1377537 A GB 1377537A GB 4020572 A GB4020572 A GB 4020572A GB 4020572 A GB4020572 A GB 4020572A GB 1377537 A GB1377537 A GB 1377537A
Authority
GB
United Kingdom
Prior art keywords
particles
polymer gel
polymer
powder
gel particles
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
GB4020572A
Other languages
English (en)
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.)
Cassella Farbwerke Mainkur AG
Original Assignee
Cassella Farbwerke Mainkur AG
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 Cassella Farbwerke Mainkur AG filed Critical Cassella Farbwerke Mainkur AG
Publication of GB1377537A publication Critical patent/GB1377537A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • C08J3/124—Treatment for improving the free-flowing characteristics
    • 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
    • C02F1/5227—Processes for facilitating the dissolution of solid flocculants in water
    • 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
    • C02F1/5263—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using natural chemical compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2333/00—Characterised by the use of homopolymers or 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 of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
    • C08J2333/24—Homopolymers or copolymers of amides or imides
    • C08J2333/26—Homopolymers or copolymers of acrylamide or methacrylamide

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
GB4020572A 1971-08-31 1972-08-30 Storage stable polyacrylamide particles and process for their production Expired GB1377537A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712143549 DE2143549C3 (de) 1971-08-31 1971-08-31 Verfahren zur Herstellung lagerfähiger nicht zusammenbackender formstabiler Gallertgranulate von Acrylamid Homo- oder Mischpolymerisaten

Publications (1)

Publication Number Publication Date
GB1377537A true GB1377537A (en) 1974-12-18

Family

ID=5818258

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4020572A Expired GB1377537A (en) 1971-08-31 1972-08-30 Storage stable polyacrylamide particles and process for their production

Country Status (11)

Country Link
JP (1) JPS5516179B2 (fr)
BE (1) BE788191A (fr)
CA (1) CA989989A (fr)
CH (1) CH570435A5 (fr)
DD (1) DD98939A5 (fr)
DE (1) DE2143549C3 (fr)
FR (1) FR2150973B1 (fr)
GB (1) GB1377537A (fr)
IT (1) IT968371B (fr)
NL (1) NL7209918A (fr)
SE (1) SE391941B (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51117591A (en) * 1975-04-07 1976-10-15 Matsushita Electric Ind Co Ltd Semiconductor photoelectric conversion element
JPS5323287A (en) * 1976-08-16 1978-03-03 Hiroyuki Sakaki Photoelectric converting element
JPS53149879A (en) * 1977-01-31 1978-12-27 Tokyo Yuuki Kagaku Kougiyou Kk Method of manufacturing glanular aggregating agent
JPS5852691Y2 (ja) * 1979-05-29 1983-12-01 工業技術院長 光電変換素子
JPS57130482A (en) * 1981-02-05 1982-08-12 Semiconductor Energy Lab Co Ltd Mis type photoelectric transducer
JPS5857756A (ja) * 1981-10-01 1983-04-06 Agency Of Ind Science & Technol 非晶質太陽電池
FR2530647A1 (fr) * 1982-07-20 1984-01-27 Rhone Poulenc Spec Chim Procede de preparation de flocons de polymeres acryliques hydrosolubles
JPS6022380A (ja) * 1983-07-18 1985-02-04 Nippon Telegr & Teleph Corp <Ntt> 太陽電池
JPS60128647A (ja) * 1983-12-16 1985-07-09 Hitachi Ltd 可撓性フィルム導体リードおよびこれを用いた太陽電池装置ならびにその製造方法
JPH0539640Y2 (fr) * 1987-07-22 1993-10-07
DE4029593C2 (de) * 1990-09-19 1994-07-07 Stockhausen Chem Fab Gmbh Verfahren zur Herstellung von Absorptionsmaterial auf Polymerbasis mit verbesserter Abbaubarkeit und Absorption von Wasser, wäßrigen Lösungen und Körperflüssigkeiten und die Verwendung in Hygieneartikeln und zur Bodenverbesserung
DE19711712A1 (de) * 1997-03-20 1998-09-24 Wacker Chemie Gmbh Verfahren zur Herstellung von blockstabilen, in Wasser redispergierbaren Polymerpulvern
DE10352081A1 (de) * 2003-11-07 2005-06-23 Wolff Cellulosics Gmbh & Co. Kg Lagerstabile Teilchenzusammensetzung aus Polysacchariden und/oder Polysaccharidderivaten und zumindestens einem synthetischen Polymerisat, ein Verfahren zu deren Herstellung sowie der Verwendung in Baustoffgemischen

Also Published As

Publication number Publication date
CH570435A5 (fr) 1975-12-15
DE2143549C3 (de) 1979-06-21
SE391941B (sv) 1977-03-07
DE2143549B2 (de) 1977-06-30
DE2143549A1 (de) 1973-04-12
BE788191A (fr) 1973-02-28
JPS5516179B2 (fr) 1980-04-30
NL7209918A (fr) 1973-03-02
IT968371B (it) 1974-03-20
DD98939A5 (fr) 1973-07-12
FR2150973B1 (fr) 1978-02-10
JPS4832946A (fr) 1973-05-04
CA989989A (en) 1976-05-25
FR2150973A1 (fr) 1973-04-13

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Legal Events

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