GB425366A - Process for the manufacture of new conversion products from natural resins and derivatives thereof - Google Patents

Process for the manufacture of new conversion products from natural resins and derivatives thereof

Info

Publication number
GB425366A
GB425366A GB25372/33A GB2537233A GB425366A GB 425366 A GB425366 A GB 425366A GB 25372/33 A GB25372/33 A GB 25372/33A GB 2537233 A GB2537233 A GB 2537233A GB 425366 A GB425366 A GB 425366A
Authority
GB
United Kingdom
Prior art keywords
natural resins
derivatives
paraformaldehyde
manufacture
conversion products
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
GB25372/33A
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Publication of GB425366A publication Critical patent/GB425366A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09FNATURAL RESINS; FRENCH POLISH; DRYING-OILS; OIL DRYING AGENTS, i.e. SICCATIVES; TURPENTINE
    • C09F1/00Obtaining purification, or chemical modification of natural resins, e.g. oleo-resins

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Phenolic Resins Or Amino Resins (AREA)

Abstract

Natural resins or their acids or derivatives thereof are treated with a volatile inorganic halide such as boron fluoride in the presence of an aldehyde such as paraformaldehyde or crotonic aldehyde in the presence or absence of an inert solvent such as carbon tetrachloride, carbon disulphide, benzene, toluene, xylene, ligroin or tetrahydronaphthalene. The products of the treatment of natural resins still contain carboxylic acid groups and may be esterified by means of alcohols such as glycerine. In examples (1) a mixture of colophony, xylene and paraformaldehyde or (2) a solution of the glycerine ester of colophony in benzene and paraformaldehyde or crotonic aldehyde is treated with boron fluoride. Specification 399,206 is referred to.
GB25372/33A 1932-09-17 1933-09-13 Process for the manufacture of new conversion products from natural resins and derivatives thereof Expired GB425366A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE425366X 1932-09-17

Publications (1)

Publication Number Publication Date
GB425366A true GB425366A (en) 1935-03-13

Family

ID=6477040

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25372/33A Expired GB425366A (en) 1932-09-17 1933-09-13 Process for the manufacture of new conversion products from natural resins and derivatives thereof

Country Status (1)

Country Link
GB (1) GB425366A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2827448A (en) * 1954-11-23 1958-03-18 Gino Vuagnat Treatment of copals

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2827448A (en) * 1954-11-23 1958-03-18 Gino Vuagnat Treatment of copals

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