GB1377829A

GB1377829A – Process for the production of water-soluble polymers
– Google Patents

GB1377829A – Process for the production of water-soluble polymers
– Google Patents
Process for the production of water-soluble polymers

Info

Publication number
GB1377829A

GB1377829A
GB3418572A
GB3418572A
GB1377829A
GB 1377829 A
GB1377829 A
GB 1377829A
GB 3418572 A
GB3418572 A
GB 3418572A
GB 3418572 A
GB3418572 A
GB 3418572A
GB 1377829 A
GB1377829 A
GB 1377829A
Authority
GB
United Kingdom
Prior art keywords
acrylamide
hydrochloride
dimethylaminoethyl
water
methacrylamide
Prior art date
1971-07-23
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
GB3418572A
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.)

BASF SE

Original Assignee
BASF SE
Badische Anilin and Sodafabrik 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.)
1971-07-23
Filing date
1972-07-21
Publication date
1974-12-18

1972-07-21
Application filed by BASF SE, Badische Anilin and Sodafabrik AG
filed
Critical
BASF SE

1974-12-18
Publication of GB1377829A
publication
Critical
patent/GB1377829A/en

Status
Expired
legal-status
Critical
Current

Links

Espacenet

Global Dossier

Discuss

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

C08F2/00—Processes of polymerisation

C08F2/46—Polymerisation initiated by wave energy or particle radiation

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

C08F20/10—Esters

C08F20/34—Esters containing nitrogen, e.g. N,N-dimethylaminoethyl (meth)acrylate

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

Abstract

1377829 Photopolymerizing water-soluble monomers BADISCHE ANILIN- & SODAFABRIK AG 21 July 1972 [23 July 1971] 34185/72 Heading C3P In a process for producing water-soluble polymers by photopolymerization of at least 50% aqueous solutions of monomers containing the CH 2 =C< group in the form of a film of thickness not greater than 2 cm. on a support, which is preferably movable relative to the radiation source, the aqueous monomer solution contains 0 to 80% acrylamide or methacrylamide, 20 to 100% compounds of formula CH 2 =CRCOY(CH 2 ) n N+R1R2R3X–, where R is H or methyl, R1 and R2 are C 1-3 alkyl, R3 is H or C 1-3 alkyl, n is 1 to 4, Y is O or NH and X- is an acid radical, and 0 to 20% N-vinylimidazole, by weight of the total monomers. Specified monomer salts are the chloride, bisulphate, sulphate, phosphate, nitrate, methosulphate, acetate and oxalate of N,N-diethylaminoethyl and N,N-dimethylaminoethyl acrylates and methacrylates, dimethyl n-propyl acrylamide, dimethyl ethyl acrylamide and dimethyl ethyl methacrylamide. The products may be used as flocculants and in paper manufacture. Examples describe the polymerization of (5) methacryloxyethyl trimethyl ammonium chloride and the copolymerization of acrylamide with (1) diethylaminoethyl acrylate hydrochloride, (2) dimethylaminoethyl acrylamide hydrochloride, (3) dimethylaminoethyl methacrylate hydrochloride, (4) methacryloxyethyl trimethylammonium methylsulphate, (6) methacryloxyethyl trimethylammonium chloride and (8) diethylaminopropyl acrylamide hydrochloride, and of methacrylamide with (7) dimethylaminoethyl acrylate hydrochloride, in water in the presence of methylol benzoin methylether.

GB3418572A
1971-07-23
1972-07-21
Process for the production of water-soluble polymers

Expired

GB1377829A
(en)

Applications Claiming Priority (1)

Application Number
Priority Date
Filing Date
Title

DE19712136887

DE2136887A1
(en)

1971-07-23
1971-07-23

PROCESS FOR THE PRODUCTION OF WATER-SOLUBLE POLYMERIZES

Publications (1)

Publication Number
Publication Date

GB1377829A
true

GB1377829A
(en)

1974-12-18

Family
ID=5814618
Family Applications (1)

Application Number
Title
Priority Date
Filing Date

GB3418572A
Expired

GB1377829A
(en)

1971-07-23
1972-07-21
Process for the production of water-soluble polymers

Country Status (3)

Country
Link

DE
(1)

DE2136887A1
(en)

GB
(1)

GB1377829A
(en)

IT
(1)

IT1045697B
(en)

Cited By (1)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

US4178221A
(en)

1976-04-14
1979-12-11
Rhone-Poulenc Industries
Process for the preparation of water-soluble acrylic polymers by photopolymerization

Families Citing this family (2)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

DE2621456C3
(en)

*

1975-05-16
1985-08-01
Mitsubishi Rayon Co., Ltd., Tokio/Tokyo

Process for the production of cationic polymers and their use as flocculants

CA1268732C
(en)

*

1984-12-27
1990-05-08

Radiation-polymerizing water-soluble cast vinyl monomer layer and forming particles

1971

1971-07-23
DE
DE19712136887
patent/DE2136887A1/en
active
Pending

1972

1972-07-21
GB
GB3418572A
patent/GB1377829A/en
not_active
Expired

1972-07-21
IT
IT5168672A
patent/IT1045697B/en
active

Cited By (1)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

US4178221A
(en)

1976-04-14
1979-12-11
Rhone-Poulenc Industries
Process for the preparation of water-soluble acrylic polymers by photopolymerization

Also Published As

Publication number
Publication date

DE2136887A1
(en)

1973-02-08

IT1045697B
(en)

1980-06-10

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Legal Events

Date
Code
Title
Description

1975-04-30
PS
Patent sealed

1978-02-22
PLNP
Patent lapsed through nonpayment of renewal fees

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