Coating processes – With pretreatment of the base – Heating or drying pretreatment
Patent
1987-08-04
1989-02-07
Bell, Janyce
Coating processes
With pretreatment of the base
Heating or drying pretreatment
4273897, 4274072, 4274195, B05D 302
Patent
active
048030996
ABSTRACT:
Polyethylene with an average molecular weight of 500 to 10,000 is disclosed having one or several laterally bound group(s) of the formula ##STR1## wherein R.sup.1 and R.sup.2 are the same or different and represent a low molecular weight alkyl group with 1 to 4 carbon atoms and n is 2 or 3. A method for the preparation of the modified polyethylene is also disclosed. The polyethylene, preferably in the form of an aqueous dispersion, is applied to glass surfaces, especially the external surface of glass containers. The modified polyethylene is especially suitable for the so-called cold-end finishing of glass. The protective layers obtained have very good smoothness values. The protective layers are resistant to the repeated action of hot aqueous washing liquors and retain their smoothness. The glass containers, provided with the protective layers, may be labeled in the usual manner.
REFERENCES:
patent: 3836386 (1974-09-01), Roy
patent: 3944511 (1976-03-01), Taylor
patent: 4171293 (1979-10-01), Eschwey et al.
patent: 4698259 (1987-10-01), Hervey
Bell Janyce
Th. Goldschmidt Ag
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