ES8300344A1 - Procedimiento para la preparacion de floculantes polimeros cationicos del tipo de acrilamida - Google Patents

Procedimiento para la preparacion de floculantes polimeros cationicos del tipo de acrilamida

Info

Publication number
ES8300344A1
ES8300344A1 ES504916A ES504916A ES8300344A1 ES 8300344 A1 ES8300344 A1 ES 8300344A1 ES 504916 A ES504916 A ES 504916A ES 504916 A ES504916 A ES 504916A ES 8300344 A1 ES8300344 A1 ES 8300344A1
Authority
ES
Spain
Prior art keywords
acrylamide
floculants
procedure
cationic polymer
preparation
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
ES504916A
Other languages
English (en)
Other versions
ES504916A0 (es
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.)
Mitsui Toatsu Chemicals Inc
Original Assignee
Mitsui Toatsu Chemicals Inc
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 Mitsui Toatsu Chemicals Inc filed Critical Mitsui Toatsu Chemicals Inc
Publication of ES8300344A1 publication Critical patent/ES8300344A1/es
Publication of ES504916A0 publication Critical patent/ES504916A0/es
Granted 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
    • 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
    • C08F2/00—Processes of polymerisation
    • C08F2/12—Polymerisation in non-solvents
    • C08F2/16—Aqueous medium

Landscapes

  • 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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Polymerisation Methods In General (AREA)

Abstract

PROCEDIMIENTO PARA LA OBTENCION DE FLOCULANTES POLIMEROS CATIONICOS DEL TIPO DE ACRILAMIDA, QUE CONTIENEN ACRILAMIDA POLIMERIZANTE, OBTENIDA POR HIDRATACION CATALITICA DE ACRILONITRILO CON AGUA. CONSISTE EN HACER SUSTANCIALMENTE LIBRE DE N-ACRILOIL ACRILAMIDA UNA DISOLUCION ACUOSA CRUDA DE ACRILAMIDA, OBTENIDA POR LA HIDRATACION CATALITICA, MEDIANTE ADSORCION FISICA, ADSORCION REACTIVA, DESCOMPOSICION POR UNA REACCION QUIMICA Y ESTRACCION; SEGUIDO DE LA POLIMERIZACION DE LA ACRILAMIDA CONTENIDA EN LA DISOLUCION HASTA OBTENER UN FLOCULANTE CATIONICO DE ALTO PESO MOLECULAR.
ES504916A 1980-09-04 1981-08-24 Procedimiento para la preparacion de floculantes polimeros cationicos del tipo de acrilamida Granted ES504916A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55121743A JPS5747309A (en) 1980-09-04 1980-09-04 Preparation of acrylamide cationic high polymeric coagulant

Publications (2)

Publication Number Publication Date
ES8300344A1 true ES8300344A1 (es) 1982-11-01
ES504916A0 ES504916A0 (es) 1982-11-01

Family

ID=14818774

Family Applications (1)

Application Number Title Priority Date Filing Date
ES504916A Granted ES504916A0 (es) 1980-09-04 1981-08-24 Procedimiento para la preparacion de floculantes polimeros cationicos del tipo de acrilamida

Country Status (15)

Country Link
JP (1) JPS5747309A (es)
KR (1) KR860001550B1 (es)
AT (1) AT370747B (es)
AU (1) AU543111B2 (es)
CA (1) CA1223700A (es)
DD (1) DD202036A5 (es)
DE (1) DE3135149A1 (es)
ES (1) ES504916A0 (es)
FI (1) FI70032C (es)
FR (1) FR2489338B1 (es)
GB (1) GB2083053B (es)
IT (1) IT1139422B (es)
NL (1) NL186165C (es)
RO (1) RO83586B (es)
ZA (1) ZA815194B (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3801736A1 (de) * 1988-01-21 1989-07-27 Nitrokemia Ipartelepek Verfahren zur herstellung von acrylsaeureamid/acrylsaeure-copolymeren mit hohem molekulargewicht
MX18620A (es) * 1988-12-19 1993-10-01 American Cyanamid Co Floculante polimerico de alto desempeño, proceso para su preparacion, metodo para la liberacion de agua de un dispersion de solidos suspendidos y metodo de floculacion de una dispersion de solidos suspendidos
JPH03119011A (ja) * 1989-10-03 1991-05-21 Mitsui Toatsu Chem Inc カチオン性高分子量重合体の製造方法
KR100318327B1 (ko) * 1995-12-16 2002-04-22 구광시 에멀젼형 고분자응집제의 제조방법
DE10041392A1 (de) * 2000-08-23 2002-03-07 Stockhausen Chem Fab Gmbh Wasserlösliche Homo- und Copolymere mit verbesserter Umweltverträglichkeit
JP3996535B2 (ja) * 2003-03-20 2007-10-24 Ｎｅｃ液晶テクノロジー株式会社 液晶表示装置
DE102004032766A1 (de) * 2004-07-06 2006-02-09 Röhm GmbH & Co. KG Konzentrierte wässrige Methacrylamidlösung unter Zugabe von Methacrylsäure
CN116023587B (zh) * 2022-10-31 2024-05-07 中国矿业大学(北京) 一种铁基杂化絮凝剂及其制备方法与应用

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3130229A (en) * 1961-02-06 1964-04-21 Dow Chemical Co Method for the manufacture of acrylamide
AU407356B2 (en) * 1965-12-31 1970-10-22 Process for the preparation of aqueous solutions of flocculating agents of the poly-acrylic amide type having high molecular weight
DE2255391C3 (de) * 1972-11-11 1982-05-13 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung hochmolekularer kationischer Copolymerisate
JPS5082011A (es) * 1973-11-22 1975-07-03
JPS5083323A (es) * 1973-11-29 1975-07-05
JPS5291819A (en) * 1976-01-28 1977-08-02 Mitsui Toatsu Chem Inc Purification of aqueous solutions of acrylamide
GB2059952B (en) * 1979-09-13 1983-07-20 Mitsui Toatsu Chemicals Purifying aqueous acrylamide solutions

Also Published As

Publication number Publication date
FR2489338B1 (fr) 1987-04-30
AU7350181A (en) 1982-09-23
NL186165C (nl) 1990-10-01
AU543111B2 (en) 1985-04-04
KR830007738A (ko) 1983-11-07
GB2083053A (en) 1982-03-17
FI70032B (fi) 1986-01-31
FR2489338A1 (fr) 1982-03-05
NL186165B (nl) 1990-05-01
CA1223700A (en) 1987-06-30
RO83586A (ro) 1984-04-02
JPS5747309A (en) 1982-03-18
RO83586B (ro) 1984-04-30
FI812485L (fi) 1982-03-05
ES504916A0 (es) 1982-11-01
NL8103925A (nl) 1982-04-01
AT370747B (de) 1983-04-25
ATA381681A (de) 1982-09-15
ZA815194B (en) 1982-07-28
IT1139422B (it) 1986-09-24
KR860001550B1 (ko) 1986-10-04
GB2083053B (en) 1984-09-12
DD202036A5 (de) 1983-08-24
DE3135149A1 (de) 1982-04-08
FI70032C (fi) 1986-09-12
DE3135149C2 (es) 1991-05-08
IT8123767A0 (it) 1981-09-03
JPH0260682B2 (es) 1990-12-18

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19971001