Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1995-01-11
1995-10-10
Foelak, Morton
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
C08G 6900
Patent
active
054571758
ABSTRACT:
A process for preparing a terpene-phenol resin with a softening point in the range of from about 80.degree. C. to about 110.degree. C. The method comprises preparing a reaction mixture including a terpene, phenol and a complex of boron trifluoride. The boron trifluoride complex is selected from the group consisting of a ether complex of boron trifluoride, wherein the ether has an molecular weight in the range of from about 46 to about 140, and an organic acid complex of boron trifluoride, wherein the organic acid has a molecular weight in the range of from about 46 to about 300. The reaction mixture is maintained at a temperature in the range of from about 50.degree. C. to about 90.degree. C. for a period of time sufficient to produce the .alpha.-pinene-phenol resin which is then recovered from the reaction mixture. The terpene may be selected from the group consisting of .alpha.-pinene, .beta.-pinene, .delta.-3-carene, dipentene, limonene and mixtures of those terpenes.
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Rosen Josie M.
Scharrer Roland P.
Thompson Kerry L.
Arizona Chemical Company
Foelak Morton
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