GB744688A - Process of treating aqueous rubber dispersions - Google Patents

Process of treating aqueous rubber dispersions

Info

Publication number
GB744688A
GB744688A GB1839353A GB1839353A GB744688A GB 744688 A GB744688 A GB 744688A GB 1839353 A GB1839353 A GB 1839353A GB 1839353 A GB1839353 A GB 1839353A GB 744688 A GB744688 A GB 744688A
Authority
GB
United Kingdom
Prior art keywords
dispersion
aqueous rubber
acid
treating aqueous
agent
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
GB1839353A
Inventor
William Henry Bagnall
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
Priority to GB1839353A priority Critical patent/GB744688A/en
Publication of GB744688A publication Critical patent/GB744688A/en
Priority to MY5600038A priority patent/MY5600038A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C08C1/12—Concentrating by evaporation

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

An aqueous rubber dispersion such as natural rubber latex has a non-ionogenic surface active agent incorporated therewith prior to having its pH lowered to a value between 5 and 7 by addition of an acid, e.g. sulphuric, hydrochloric, formic, acetic or boric acid. The amount of agent used is from 0.5 to 5 per cent by weight of the solids content of the dispersion. The dispersion is then concentrated by, e.g. evaporation or centrifuging. The agent may be a condensation product of polyethylene glycol with a long chain carboxylic acid, alcohol, organic amine, organic amide or an alkyl phenol.
GB1839353A 1953-07-02 1953-07-02 Process of treating aqueous rubber dispersions Expired GB744688A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1839353A GB744688A (en) 1953-07-02 1953-07-02 Process of treating aqueous rubber dispersions
MY5600038A MY5600038A (en) 1953-07-02 1956-12-30 Process of treating aqueous rubber dispersions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1839353A GB744688A (en) 1953-07-02 1953-07-02 Process of treating aqueous rubber dispersions

Publications (1)

Publication Number Publication Date
GB744688A true GB744688A (en) 1956-02-15

Family

ID=10111684

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1839353A Expired GB744688A (en) 1953-07-02 1953-07-02 Process of treating aqueous rubber dispersions

Country Status (2)

Country Link
GB (1) GB744688A (en)
MY (1) MY5600038A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4098664A4 (en) * 2020-01-27 2024-02-14 Sumitomo Rubber Industries, Ltd. Modified natural rubber and rubber composition

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4098664A4 (en) * 2020-01-27 2024-02-14 Sumitomo Rubber Industries, Ltd. Modified natural rubber and rubber composition

Also Published As

Publication number Publication date
MY5600038A (en) 1956-12-31

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