BR8601844A - PROCESS FOR THE PREPARATION OF ACRYLAMIDE CRYSTALS FROM AN AQUEOUS ACRYLAMIDE SOLUTION - Google Patents

PROCESS FOR THE PREPARATION OF ACRYLAMIDE CRYSTALS FROM AN AQUEOUS ACRYLAMIDE SOLUTION

Info

Publication number
BR8601844A
BR8601844A BR8601844A BR8601844A BR8601844A BR 8601844 A BR8601844 A BR 8601844A BR 8601844 A BR8601844 A BR 8601844A BR 8601844 A BR8601844 A BR 8601844A BR 8601844 A BR8601844 A BR 8601844A
Authority
BR
Brazil
Prior art keywords
acrylamide
preparation
crystals
aqueous
solution
Prior art date
Application number
BR8601844A
Other languages
Portuguese (pt)
Inventor
Yoshihiko Kambara
Shiro Asano
Wataru Isozaki
Syoji Kitado
Masao Yamaguchi
Original Assignee
Mitsui Toatsu Chemicals
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 filed Critical Mitsui Toatsu Chemicals
Publication of BR8601844A publication Critical patent/BR8601844A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C231/00—Preparation of carboxylic acid amides
    • C07C231/22—Separation; Purification; Stabilisation; Use of additives
    • C07C231/24—Separation; Purification
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/005—Selection of auxiliary, e.g. for control of crystallisation nuclei, of crystal growth, of adherence to walls; Arrangements for introduction thereof
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C233/00—Carboxylic acid amides
    • C07C233/01—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
    • C07C233/02—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having nitrogen atoms of carboxamide groups bound to hydrogen atoms or to carbon atoms of unsubstituted hydrocarbon radicals
    • C07C233/09—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having nitrogen atoms of carboxamide groups bound to hydrogen atoms or to carbon atoms of unsubstituted hydrocarbon radicals with carbon atoms of carboxamide groups bound to carbon atoms of an acyclic unsaturated carbon skeleton

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BR8601844A 1985-04-24 1986-04-24 PROCESS FOR THE PREPARATION OF ACRYLAMIDE CRYSTALS FROM AN AQUEOUS ACRYLAMIDE SOLUTION BR8601844A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8659185 1985-04-24

Publications (1)

Publication Number Publication Date
BR8601844A true BR8601844A (en) 1986-12-23

Family

ID=13891249

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8601844A BR8601844A (en) 1985-04-24 1986-04-24 PROCESS FOR THE PREPARATION OF ACRYLAMIDE CRYSTALS FROM AN AQUEOUS ACRYLAMIDE SOLUTION

Country Status (5)

Country Link
JP (1) JPS6236346A (en)
KR (1) KR890002924B1 (en)
BR (1) BR8601844A (en)
ES (1) ES8708208A1 (en)
ZA (1) ZA862861B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10015014A1 (en) * 2000-03-27 2001-10-04 Bayer Ag Process for the preparation of bisphenols
CN102786430A (en) * 2012-07-20 2012-11-21 江苏南天农科化工有限公司 Technology for applying airlift stirring to acrylamide crystallization

Also Published As

Publication number Publication date
JPS6236346A (en) 1987-02-17
KR890002924B1 (en) 1989-08-12
KR860008223A (en) 1986-11-14
ZA862861B (en) 1986-12-30
ES8708208A1 (en) 1987-11-01
JPH046702B2 (en) 1992-02-06
ES554281A0 (en) 1987-11-01

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Legal Events

Date Code Title Description
PC Transfer

Free format text: MITSUI CHEMICALS, INC. (JP)

B21A Expiry acc. art. 78, item i of ipl- expiry of the term of protection

Free format text: PATENTE EXTINTA EM 24/04/2001

B15K Others concerning applications: alteration of classification

Ipc: C07C 231/24 (2006.01), B01D 9/02 (2006.0