Fluorine-containing waxes and process for preparing them
First Claim
6. A WAX CONTAINING FROM ABOUT 56% TO ABOUT 70% BY WEIGHT OF FLUORINE WHICH CONSISTS ESSENTIALLY OF A MIXTURE OF (1) ABOUT 50% TO ABOUT 80% BY WEIGHT OF THE REACTION PRODUCT OF TETRAFLUOROETHYLENE AND AT LEAST ONE SILICON COMPOUND OF THE GROUP CONSISTING OF A POLY (DIMETHYL SILOXANE) HAVING A MOLECULAR WEIGHT IN THE RANGE OF FROM 162 TO ABOUT 26,000 AND A SILANE OF THE FORMULA R4SI WHEREIN EACH R REPRESENTS A MEMBER OF THE GROUP CONSISTING OF ALKYL RADICALS OF 1 TO 4 CARBONS ATOMS AND ALKOXY RADICALS OF 1 TO 4 CARBON ASTOMS, AT LEAST ONE R BEING AN ALKYL RADICAL, WHICH REACTION PRODUCT CONTAINS FROM ABOUT 8 TO ABOUT 40 TETRAFLUOROETHYLENE UNITS FOR EACH SILICON ATOM WHICH UNITS FORM POLYFLUOROALKYL CHAINS ATTACHED TO CARBON ATOMS OF THE SILICON COMPOUND, AND (2) ABOUT 50% TO ABOUT 20% BY WEIGHT OF THE TELOMER OF TETRAFLUOROETHYLENE AND A SATURATED FLUOROCHLORO COMPOUND OF THE GROUP CONSISTING OF 1,1,1-TRICHLOROTRIFLUOROETHANE, 1,1,2 - TRICHLOROTRIFLUOROETHANE, FLUOROTRICHLOROMETHANE AND 1,2-DIFLUOROTETRACHLOROETHANE, WHICH TELOMER CONTAINS A POLYFLUOROALKYL GROUP OF THE FORMULA
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6 Claims
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6. A WAX CONTAINING FROM ABOUT 56% TO ABOUT 70% BY WEIGHT OF FLUORINE WHICH CONSISTS ESSENTIALLY OF A MIXTURE OF (1) ABOUT 50% TO ABOUT 80% BY WEIGHT OF THE REACTION PRODUCT OF TETRAFLUOROETHYLENE AND AT LEAST ONE SILICON COMPOUND OF THE GROUP CONSISTING OF A POLY (DIMETHYL SILOXANE) HAVING A MOLECULAR WEIGHT IN THE RANGE OF FROM 162 TO ABOUT 26,000 AND A SILANE OF THE FORMULA R4SI WHEREIN EACH R REPRESENTS A MEMBER OF THE GROUP CONSISTING OF ALKYL RADICALS OF 1 TO 4 CARBONS ATOMS AND ALKOXY RADICALS OF 1 TO 4 CARBON ASTOMS, AT LEAST ONE R BEING AN ALKYL RADICAL, WHICH REACTION PRODUCT CONTAINS FROM ABOUT 8 TO ABOUT 40 TETRAFLUOROETHYLENE UNITS FOR EACH SILICON ATOM WHICH UNITS FORM POLYFLUOROALKYL CHAINS ATTACHED TO CARBON ATOMS OF THE SILICON COMPOUND, AND (2) ABOUT 50% TO ABOUT 20% BY WEIGHT OF THE TELOMER OF TETRAFLUOROETHYLENE AND A SATURATED FLUOROCHLORO COMPOUND OF THE GROUP CONSISTING OF 1,1,1-TRICHLOROTRIFLUOROETHANE, 1,1,2 - TRICHLOROTRIFLUOROETHANE, FLUOROTRICHLOROMETHANE AND 1,2-DIFLUOROTETRACHLOROETHANE, WHICH TELOMER CONTAINS A POLYFLUOROALKYL GROUP OF THE FORMULA
Specification
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Current AssigneeLouis Spiegler
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Original AssigneeLouis Spiegler
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InventorsSpiegler, Louis
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Application NumberUS04/010,089Time in Patent Office1,029 DaysField of SearchUS Class Current106/271CPC Class CodesC08F 214/26 TetrafluoroetheneC08F 283/12 on to polysiloxanes
