Compositions: coating or plastic – Materials or ingredients – Miscellaneous
Patent
1981-07-13
1983-06-14
Lieberman, Allan
Compositions: coating or plastic
Materials or ingredients
Miscellaneous
2523635, 524108, 524322, C08K 515
Patent
active
043881190
ABSTRACT:
A composition consisting essentially of solid powdery dibenzylidene sorbitol and a higher fatty acid, the surface of the dibenzylidene sorbitol being coated with the higher fatty acid; and a process for producing dibenzylidene sorbitol powder having a coating of a higher fatty acid on its surface, which comprises a step of forming an aqueous emulsion of the higher fatty acid by adding an alkali to an organic solvent solution or hot molten mass of the higher fatty acid partially saponify the higher fatty acid and dispersing the resulting mixture of the higher fatty acid and its saponification product in water, a step of coating the surface of dibenzylidene sorbitol powder with the higher fatty acid by adding the dibenzylidene sorbitol to the resulting emulsion, and a step of separating the solid from the mixture, drying the solid and recovering the dried product. The transparency and rigidity of a polyolefin resin is improved by addition of aforesaid dibenzylidene sorbitol composition.
REFERENCES:
patent: 3639312 (1972-02-01), Turner
patent: 4016118 (1977-04-01), Hamada
C. Itoh & Co. Ltd.
E. C. Chemical Ind. Co., Ltd.
Lieberman Allan
Short Patricia
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