GB609099A - Improvements in or relating to the production of dispersions - Google Patents

Improvements in or relating to the production of dispersions

Info

Publication number
GB609099A
GB609099A GB6912/46A GB691246A GB609099A GB 609099 A GB609099 A GB 609099A GB 6912/46 A GB6912/46 A GB 6912/46A GB 691246 A GB691246 A GB 691246A GB 609099 A GB609099 A GB 609099A
Authority
GB
United Kingdom
Prior art keywords
resin
added
dispersing
plasticiser
mixture
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
GB6912/46A
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.)
SEMTEX Ltd
Original Assignee
SEMTEX 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 SEMTEX Ltd filed Critical SEMTEX Ltd
Priority to GB6912/46A priority Critical patent/GB609099A/en
Publication of GB609099A publication Critical patent/GB609099A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K23/00—Use of substances as emulsifying, wetting, dispersing, or foam-producing agents
    • C09K23/017—Mixtures of compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

Aqueous dispersions of synthetic resins capable of coalescing with plasticisers at temperatures below 100 DEG C. are prepared by dispersing in water an amount of plasticiser sufficient to give a film-forming composition with the resin at such temperatures, forming a paste-like mixture of the dispersion, the solid disintegrated resin and a dispersing agent, and kneading the mixture at a temperature at which coalescence occurs until the resin is dispersed. Suitable dispersing agents are long chain carboxylic acids or sulphonic acids, sulphated long chain aliphatic alcohols or sulphated castor oil. Stabilisers such as casein, glue, sodium alginate, methyl cellulose, polyvinyl alcohol and colloidal clay, e.g. bentonite, may be added, together with ammonia. The dispersing agent and stabiliser are preferably added to the water prior to dispersing the plasticiser and finally the resin is added. The temperature throughout is preferably kept constant. Dispersions of polyvinyl acetate with dibutyl phthalate are described.ALSO:Aqueous dispersions of synthetic resins capable of coalescing with plasticisers at temperatures below 100 DEG C. are prepared by dispersing in water an amount of plasticiser sufficient to give a film-forming composition with the resin at such temperatures, forming a paste-like mixture of the dispersion, the solid disintegrated resin and a dispersing agent, and kneading the mixture at a temperature at which coalescence occurs until the resin is dispersed. Suitable dispersing agents are longchain carboxylic acids or sulphonic acids, sulphated long-chain aliphatic alcohols or sulphonated castor oil. Stabilisers may also be added and include casein, glue, sodium alginate, methyl cellulose, polyvinyl alcohol and colloidal clay, e.g. bentonite. Ammonia may also be added. The dispersing agent and stabiliser are preferably added to the water prior to dispersing the plasticiser and finally the resin is added. The temperature throughout is preferably kept constant. Dispersions of polyvinyl acetate with dibutyl phthalate are described.
GB6912/46A 1946-03-06 1946-03-06 Improvements in or relating to the production of dispersions Expired GB609099A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB6912/46A GB609099A (en) 1946-03-06 1946-03-06 Improvements in or relating to the production of dispersions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB6912/46A GB609099A (en) 1946-03-06 1946-03-06 Improvements in or relating to the production of dispersions

Publications (1)

Publication Number Publication Date
GB609099A true GB609099A (en) 1948-09-24

Family

ID=9823098

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6912/46A Expired GB609099A (en) 1946-03-06 1946-03-06 Improvements in or relating to the production of dispersions

Country Status (1)

Country Link
GB (1) GB609099A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2611755A (en) * 1949-10-07 1952-09-23 Shawinigan Resins Corp Preparation of stable polyvinyl butyral dispersions
US4524161A (en) * 1983-08-24 1985-06-18 Shell Oil Company Process for preparing aqueous binder compositions

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2611755A (en) * 1949-10-07 1952-09-23 Shawinigan Resins Corp Preparation of stable polyvinyl butyral dispersions
US4524161A (en) * 1983-08-24 1985-06-18 Shell Oil Company Process for preparing aqueous binder compositions

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