Friable distearyl pentaerythritol diphosphite
AssigneeWeston Chemical Corporation
InventorIngenuin Hechenbleikner
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Abstract
Free flowing distearyl pentaerythritol diphosphite is prepared. The product is non-toxic.
Claims23
A composition comprising distearyl pentaerythritol diphosphite in friable form, said composition consisting essentially of the product prepared by either (1) reacting diphenyl pentaerythritol diphosphite with stearyl alcohol in a molar excess of 10 to 100 molar % or (2) reacting pentaerythritol, triphenyl phosphite and stearyl alcohol, the stearyl alcohol being employed in a molar excess of 10 to 100 molar % of that required to form distearyl pentaerythritol diphosphite.
A process of preparing a friable distearyl pentaerythritol diphosphite composition comprising either (1) reacting diphenyl pentaerythritol diphosphite with stearyl alcohol in a molar excess of at least 10 molar % or (2) reacting pentaerythritol, triphenyl phosphite and stearyl alcohol, the stearyl alcohol being employed in a molar excess of at least 10 molar % of that required to form distearyl pentaerythritol diphosphite.
Dependencies are inferred from the claim text.