IT964615B - Procedimento per la purificazione e concentrazione dei lattici di gomma naturale - Google Patents

Procedimento per la purificazione e concentrazione dei lattici di gomma naturale

Info

Publication number
IT964615B
IT964615B IT69207/72A IT6920772A IT964615B IT 964615 B IT964615 B IT 964615B IT 69207/72 A IT69207/72 A IT 69207/72A IT 6920772 A IT6920772 A IT 6920772A IT 964615 B IT964615 B IT 964615B
Authority
IT
Italy
Prior art keywords
lactics
purification
procedure
concentration
natural rubber
Prior art date
Application number
IT69207/72A
Other languages
English (en)
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 IT964615B publication Critical patent/IT964615B/it

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)
IT69207/72A 1971-07-09 1972-07-07 Procedimento per la purificazione e concentrazione dei lattici di gomma naturale IT964615B (it)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT964615B true IT964615B (it) 1974-01-31

Family

ID=10338379

Family Applications (1)

Application Number Title Priority Date Filing Date
IT69207/72A IT964615B (it) 1971-07-09 1972-07-07 Procedimento per la purificazione e concentrazione dei lattici di gomma naturale

Country Status (4)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9316740D0 (en) * 1993-08-12 1993-09-29 North West Water Group Plc Process for treating latex-containing waste water
FR3034424B1 (fr) 2015-04-03 2017-04-28 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
ES404692A1 (es) 1975-06-16
FR2145953A5 (en) 1973-02-23

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