FR2313404A1 - Procede de recuperation d'alcool polyvinylique en solution aqueuse, dispositif utilise dans ce but et nouveau produit ainsi obtenu - Google Patents

Procede de recuperation d'alcool polyvinylique en solution aqueuse, dispositif utilise dans ce but et nouveau produit ainsi obtenu

Info

Publication number
FR2313404A1
FR2313404A1 FR7616887A FR7616887A FR2313404A1 FR 2313404 A1 FR2313404 A1 FR 2313404A1 FR 7616887 A FR7616887 A FR 7616887A FR 7616887 A FR7616887 A FR 7616887A FR 2313404 A1 FR2313404 A1 FR 2313404A1
Authority
FR
France
Prior art keywords
aqueous solution
polyvinyl alcohol
device used
new product
recovering polyvinyl
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.)
Withdrawn
Application number
FR7616887A
Other languages
English (en)
Inventor
Yoshikazu Sando
Eiichi Nakano
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.)
Sando Iron Works Co Ltd
Original Assignee
Sando Iron Works Co Ltd
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 Sando Iron Works Co Ltd filed Critical Sando Iron Works Co Ltd
Publication of FR2313404A1 publication Critical patent/FR2313404A1/fr
Withdrawn legal-status Critical Current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
    • C08F6/06—Treatment of polymer solutions
    • C08F6/12—Separation of polymers from solutions
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
    • C02F2103/36—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds
    • C02F2103/38—Polymers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Removal Of Specific Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
FR7616887A 1975-06-04 1976-06-03 Procede de recuperation d'alcool polyvinylique en solution aqueuse, dispositif utilise dans ce but et nouveau produit ainsi obtenu Withdrawn FR2313404A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6738175A JPS51148964A (en) 1975-06-04 1975-06-04 Method and device for recovering polyvinyl alcohol from aqueous s olution thereof

Publications (1)

Publication Number Publication Date
FR2313404A1 true FR2313404A1 (fr) 1976-12-31

Family

ID=13343365

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7616887A Withdrawn FR2313404A1 (fr) 1975-06-04 1976-06-03 Procede de recuperation d'alcool polyvinylique en solution aqueuse, dispositif utilise dans ce but et nouveau produit ainsi obtenu

Country Status (11)

Country Link
JP (1) JPS51148964A (fr)
BE (1) BE842518A (fr)
BR (1) BR7603560A (fr)
CH (1) CH601118A5 (fr)
DE (1) DE2625225B2 (fr)
ES (1) ES448538A1 (fr)
FR (1) FR2313404A1 (fr)
GB (1) GB1528404A (fr)
IT (1) IT1060894B (fr)
PL (1) PL102690B1 (fr)
SU (1) SU679148A3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2376883A1 (fr) * 1977-01-07 1978-08-04 Hoechst Ag Procede de separation d'alcool polyvinylique de solutions aqueuses

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE883255A (fr) * 1979-05-21 1980-09-01 Ciment Portland S A Fab De Procede pour appliquer un enduit sur la surface d'un ouvrage en beton ou mortier et produit permettant la mise en oeuvre de ce procede
CN111099759A (zh) * 2018-10-25 2020-05-05 中国石油化工股份有限公司 一种聚乙烯醇废水处理剂及其用于处理废水的方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5247430B2 (fr) * 1973-04-19 1977-12-02

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2376883A1 (fr) * 1977-01-07 1978-08-04 Hoechst Ag Procede de separation d'alcool polyvinylique de solutions aqueuses

Also Published As

Publication number Publication date
DE2625225A1 (de) 1976-12-23
ES448538A1 (es) 1977-12-01
JPS5622591B2 (fr) 1981-05-26
GB1528404A (en) 1978-10-11
PL102690B1 (pl) 1979-04-30
IT1060894B (it) 1982-09-30
JPS51148964A (en) 1976-12-21
BE842518A (fr) 1976-10-01
DE2625225B2 (de) 1978-06-22
CH601118A5 (fr) 1978-06-30
SU679148A3 (ru) 1979-08-05
BR7603560A (pt) 1977-07-05

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Legal Events

Date Code Title Description
ST Notification of lapse