Perfluoropolyether compositions which are soluble in non-fluorin

Details Perfluoropolyether compositions which are soluble in non-fluorin Perfluoropolyether compositions which are soluble in non-fluorin

1983-09-19

1986-02-11

Wong, Jr., Harry

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Compositions to be polymerized by wave energy wherein said...

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Patent

active

045699623

ABSTRACT:
Polymeric compositions are provided in which perfluoropolyethers have been solubilized in non-fluorinated solvents by combining them with a solubilizing agent such as azotic conjugated compounds, and phosphorylated compounds. Typical of the perfluoropolyethers is ##STR1## Typical of the solubilizing agents is phosphorylated methacryloyloxyhydroxypropylisophthalate. The perfluoropolyether and the solubilizing agent are mixed to form a paste which is soluble in organic solvents such as methylethylketone. These compositions find utility as protective lubricant coatings for thin film magnetic recording media. They have the advantage that only one coating step is required in order to apply both the phosphorylated compound and the lubricating polyether. Recording media lubricated with these compositions have demonstrated excellent wear characteristics.

REFERENCES:
patent: 3310606 (1967-03-01), Fritz
patent: 3321532 (1967-05-01), Lorenz
patent: 3351619 (1967-11-01), Warnell
patent: 3397191 (1968-08-01), Beckerbauer
patent: 3450684 (1969-06-01), Darby
patent: 3467638 (1969-09-01), Pattison
patent: 3553179 (1971-01-01), Bartlett

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