GB1153207A - Process for producing Cationic Carbamoyl Polymers - Google Patents

Process for producing Cationic Carbamoyl Polymers

Info

Publication number
GB1153207A
GB1153207A GB46528/66A GB4652866A GB1153207A GB 1153207 A GB1153207 A GB 1153207A GB 46528/66 A GB46528/66 A GB 46528/66A GB 4652866 A GB4652866 A GB 4652866A GB 1153207 A GB1153207 A GB 1153207A
Authority
GB
United Kingdom
Prior art keywords
polymer
water
alkali metal
amide
organic liquid
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
GB46528/66A
Inventor
Ralph Leslie Wisner
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.)
Dow Chemical Co
Original Assignee
Dow 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 Dow Chemical Co filed Critical Dow Chemical Co
Publication of GB1153207A publication Critical patent/GB1153207A/en
Expired 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
    • C08F8/00—Chemical modification by after-treatment
    • 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
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/30—Introducing nitrogen atoms or nitrogen-containing groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Phenolic Resins Or Amino Resins (AREA)

Abstract

1,153,207. Cationic carbamoyl polymers. DOW CHEMICAL CO. 18 Oct., 1966 [19 Oct., 1965], No. 46528/66. Heading C3P. Water-soluble cationic polymers are prepared by dispersing an aqueous solution of a watersoluble polymer composed of monoethylenically unsaturated monomer units, at least 20 mole per cent of which are units containing a carbamoyl group of the formula -CO-NH-R 1 (R 1 being H or C 1 -C 4 alkyl), in droplet form in a water-immiscible organic liquid, which is a non-solvent for the polymer, at 20-70‹ C. and then adding to the dispersion a watersoluble secondary amine and formaldehyde, or an adduct of these two compounds, so as to aminomethylate at least some of the amide groups of the polymer. The polymer product can be recovered by azeotropic distillation of the water present, and sedimentation or filtration to separate the polymer from the organic liquid; recovery can also be effected by extraction with a water-miscible solvent. The carbamoyl polymer may be derived from acrylamide, methacrylamide, N-methyl- or N-propyl-acrylamide, or an amide of maleic or fumaric acid; the amide component may be copolymerized with a monomer such as vinyl alcohol, alkali metal salts of acrylic or methacrylic acid, alkali metal styrene sulphonates, alkali metal maleates, N-vinyloxazolidinone, N-vinylpyrrolidone, 2-aminoethyl acrylate, trimethyl vinylbenzyl ammonium chloride, acrylonitrile, methacrylonitrile, ethyl acrylate, vinyl acetate, vinyl methyl ether and styrene. The amine reactant may be one having the formula R 2 -NH-R 3 where R 2 and R 3 are independently selected from C 1 -C 5 alkyl or hydroalkyl radicals (the total number of C atoms not exceeding 8) or R 2 and R 3 may together form a divalent hydrocarbon or oxahydrocarbon radical. The formaldehyde reactant may be used in the form of formalin, trioxymethylene or paraformaldehyde. Saturated aliphatic hydrocarbons and aromatic hydrocarbons are suitable as the water-immiscible organic liquid. Examples illustrate the aminomethylation of polyacrylamides which, in some cases, are stated to have a small proportion of the amide groups hydrolysed to carboxylate groups in the starting polymer.
GB46528/66A 1965-10-19 1966-10-18 Process for producing Cationic Carbamoyl Polymers Expired GB1153207A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US49809465A 1965-10-19 1965-10-19

Publications (1)

Publication Number Publication Date
GB1153207A true GB1153207A (en) 1969-05-29

Family

ID=23979583

Family Applications (1)

Application Number Title Priority Date Filing Date
GB46528/66A Expired GB1153207A (en) 1965-10-19 1966-10-18 Process for producing Cationic Carbamoyl Polymers

Country Status (7)

Country Link
BE (1) BE688463A (en)
DE (1) DE1595544C3 (en)
FR (1) FR1500499A (en)
GB (1) GB1153207A (en)
NL (1) NL150463B (en)
NO (1) NO124930B (en)
SE (1) SE315408B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0374478A2 (en) * 1988-12-19 1990-06-27 Cytec Technology Corp. Emulsified functionalized polymers
USRE36780E (en) * 1988-12-19 2000-07-18 Cytec Technology Corp. Mannich acrylamide polymers
USRE36884E (en) * 1988-12-19 2000-09-26 Cytec Technology Corp. Mannich acrylamide polymers
USRE37037E1 (en) 1988-12-19 2001-01-30 Cytec Technology Corp. Emulsified mannich acrylamide polymers

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1354349A (en) * 1971-10-12 1974-06-05 Allied Colloids Mfg Flocculating agents
JPS5146154B2 (en) * 1972-05-11 1976-12-07
DE2333927C2 (en) * 1973-07-04 1982-11-25 Chemische Fabrik Stockhausen GmbH, 4150 Krefeld Liquid or pumpable stable dispersions of the water-in-oil type and their use
DE2520028C3 (en) * 1975-05-06 1987-07-30 Chemische Fabrik Stockhausen GmbH, 4150 Krefeld Liquid, pumpable, stable water-in-oil dispersions and their use

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0374478A2 (en) * 1988-12-19 1990-06-27 Cytec Technology Corp. Emulsified functionalized polymers
EP0374478A3 (en) * 1988-12-19 1992-05-06 Cytec Technology Corp. Emulsified functionalized polymers
EP0763547A1 (en) * 1988-12-19 1997-03-19 Cytec Technology Corp. Microemulsified functionalized polymers
EP0763548A3 (en) * 1988-12-19 1997-03-26 Cytec Technology Corp. Microemulsified functionalized polymers
EP0764661A3 (en) * 1988-12-19 1997-04-02 Cytec Technology Corp. Microemulsified functionalized polymers
USRE36780E (en) * 1988-12-19 2000-07-18 Cytec Technology Corp. Mannich acrylamide polymers
USRE36884E (en) * 1988-12-19 2000-09-26 Cytec Technology Corp. Mannich acrylamide polymers
USRE37037E1 (en) 1988-12-19 2001-01-30 Cytec Technology Corp. Emulsified mannich acrylamide polymers

Also Published As

Publication number Publication date
NL6614711A (en) 1967-04-20
DE1595544B2 (en) 1976-08-26
DE1595544C3 (en) 1980-06-12
FR1500499A (en) 1967-11-03
NL150463B (en) 1976-08-16
SE315408B (en) 1969-09-29
NO124930B (en) 1972-06-26
BE688463A (en) 1967-04-19
DE1595544A1 (en) 1970-04-30

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Legal Events

Date Code Title Description
416 Proceeding under section 16 patents act 1949
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee