Perfluoropolyether lubricants for magnetic recordings

Details Perfluoropolyether lubricants for magnetic recordings Perfluoropolyether lubricants for magnetic recordings

1993-09-17

1995-01-17

Mulcahy, Peter D.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523181, 524285, 524307, 524366, 524367, 524373, 252 6254, C08K 515

Patent

active

053826140

ABSTRACT:
Difunctional perfluoropolyetheral compounds having polar or non-polar hydrogenated end groups, suitable for being used as inner lubricants in the chemical formulation of the active layer of magnetic recording media, characterized by a solubility in methylethylketone at 20.degree. C. ranging from 0.05% to 2% by weight.

REFERENCES:
patent: 4239828 (1980-12-01), Knope et al.
patent: 4267238 (1981-05-01), Chernega
patent: 4268556 (1981-05-01), Pedrotty
patent: 4526833 (1985-07-01), Burguette et al.
patent: 4647413 (1987-03-01), Sauu
patent: 4671999 (1987-06-01), Burguette et al.
patent: 4721795 (1988-06-01), Caporiccio et al.
patent: 4757145 (1988-07-01), Caporiccio et al.
patent: 4808472 (1989-02-01), Caporiccio et al.
patent: 4889939 (1989-12-01), Caporiccio et al.

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