FR2145953A5 - Latex purificn and concn - by filtration on an anisotropic membrane - is rich in fine particles of rubber - Google Patents

Latex purificn and concn - by filtration on an anisotropic membrane - is rich in fine particles of rubber

Info

Publication number
FR2145953A5
FR2145953A5 FR7224631A FR7224631A FR2145953A5 FR 2145953 A5 FR2145953 A5 FR 2145953A5 FR 7224631 A FR7224631 A FR 7224631A FR 7224631 A FR7224631 A FR 7224631A FR 2145953 A5 FR2145953 A5 FR 2145953A5
Authority
FR
France
Prior art keywords
latex
rubber
filtration
anisotropic membrane
purificn
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
FR7224631A
Other languages
English (en)
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.)
Revertex Ltd
Original Assignee
Revertex 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 Revertex Ltd filed Critical Revertex Ltd
Application granted granted Critical
Publication of FR2145953A5 publication Critical patent/FR2145953A5/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/10—Supported membranes; Membrane supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025—Reverse osmosis; Hyperfiltration
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
    • C08C1/00—Treatment of rubber latex
    • C08C1/02—Chemical or physical treatment of rubber latex before or during concentration
    • C08C1/04—Purifying; Deproteinising
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
    • C08C1/00—Treatment of rubber latex
    • C08C1/02—Chemical or physical treatment of rubber latex before or during concentration
    • C08C1/075—Concentrating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B01D2325/022—Asymmetric membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/18—Membrane materials having mixed charged functional groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Nanotechnology (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
FR7224631A 1971-07-09 1972-07-07 Latex purificn and concn - by filtration on an anisotropic membrane - is rich in fine particles of rubber Expired FR2145953A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3242371 1971-07-09

Publications (1)

Publication Number Publication Date
FR2145953A5 true FR2145953A5 (en) 1973-02-23

Family

ID=10338379

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7224631A Expired FR2145953A5 (en) 1971-07-09 1972-07-07 Latex purificn and concn - by filtration on an anisotropic membrane - is rich in fine particles of rubber

Country Status (4)

Country Link
DE (1) DE2233635A1 (fr)
ES (1) ES404692A1 (fr)
FR (1) FR2145953A5 (fr)
IT (1) IT964615B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995005344A1 (fr) * 1993-08-12 1995-02-23 North West Water Group Plc Procede de traitement d'eaux residuaires contenant du latex
WO2016156126A1 (fr) 2015-04-03 2016-10-06 Compagnie Generale Des Etablissements Michelin Procede de fabrication d'une composition de caoutchouc a partir d'un caoutchouc naturel purifie

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995005344A1 (fr) * 1993-08-12 1995-02-23 North West Water Group Plc Procede de traitement d'eaux residuaires contenant du latex
WO2016156126A1 (fr) 2015-04-03 2016-10-06 Compagnie Generale Des Etablissements Michelin Procede de fabrication d'une composition de caoutchouc a partir d'un caoutchouc naturel purifie
FR3034424A1 (fr) * 2015-04-03 2016-10-07 Michelin & Cie Procede de fabrication d'une composition de caoutchouc a partir d'un caoutchouc naturel purifie

Also Published As

Publication number Publication date
DE2233635A1 (de) 1973-01-18
IT964615B (it) 1974-01-31
ES404692A1 (es) 1975-06-16

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Legal Events

Date Code Title Description
ST Notification of lapse