DE1794055A1 - Den Abbau von Polyacrylamid verhindernder Zusatz - Google Patents

Den Abbau von Polyacrylamid verhindernder Zusatz

Info

Publication number
DE1794055A1
DE1794055A1 DE19681794055 DE1794055A DE1794055A1 DE 1794055 A1 DE1794055 A1 DE 1794055A1 DE 19681794055 DE19681794055 DE 19681794055 DE 1794055 A DE1794055 A DE 1794055A DE 1794055 A1 DE1794055 A1 DE 1794055A1
Authority
DE
Germany
Prior art keywords
polyacrylamide
acrylamide
water
gel
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.)
Pending
Application number
DE19681794055
Other languages
German (de)
English (en)
Inventor
O'connor Michael Niall
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.)
Wyeth Holdings LLC
Original Assignee
American Cyanamid 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 American Cyanamid Co filed Critical American Cyanamid Co
Publication of DE1794055A1 publication Critical patent/DE1794055A1/de
Pending 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
    • C08F6/00—Post-polymerisation treatments
    • C08F6/006—Removal of residual monomers by chemical reaction, e.g. scavenging
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/58—Preparation of carboxylic acid halides
    • C07C51/64—Separation; Purification; Stabilisation; Use of additives
    • 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
    • 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
    • C08F6/00—Post-polymerisation treatments
    • C08F6/06—Treatment of polymer solutions
    • C08F6/12—Separation of polymers from solutions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
DE19681794055 1967-08-30 1968-08-30 Den Abbau von Polyacrylamid verhindernder Zusatz Pending DE1794055A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US66424767A 1967-08-30 1967-08-30

Publications (1)

Publication Number Publication Date
DE1794055A1 true DE1794055A1 (de) 1971-10-07

Family

ID=24665228

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19681794055 Pending DE1794055A1 (de) 1967-08-30 1968-08-30 Den Abbau von Polyacrylamid verhindernder Zusatz

Country Status (3)

Country Link
DE (1) DE1794055A1 (ja)
FR (1) FR1577800A (ja)
NL (1) NL6812183A (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51144479A (en) * 1975-06-06 1976-12-11 Nitto Chem Ind Co Ltd Method of drying hydrous acrylamide polymers
JPS6050808B2 (ja) * 1975-08-20 1985-11-11 三菱レイヨン株式会社 アクリルアミド系重合体粉末の製造方法

Also Published As

Publication number Publication date
NL6812183A (ja) 1969-03-04
FR1577800A (ja) 1969-08-08

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