Modified polyethylene, method for its preparation and method...

C - Chemistry – Metallurgy – 08 – F

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117/200, 402/592

C08F 8/44 (2006.01) C03C 17/32 (2006.01) C08F 8/32 (2006.01) C09D 5/02 (2006.01)

Patent

CA 1275546

Abstract of the Disclosure Polyethylene with an average molecular weight of 500 to 10,000 is dis- closed having one or several laterally bound group(s) of the formula Image wherein R1 and R2 are the same or different and represent a lower alkyl group with 1 to 4 carbon atoms, R3 is alkyl or aryl, X is a halogen or sulfate residue and n is 2 or 3. A method for the preparation of the modified polyethylene is also disclosed. The polyethy1ene, preferably in the form of an aqueous dispersion, is applied to glass surfaces, especially the external surface of glass containers. The modified poyethylene 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 1iquors and retain their smoothness. The glass containers1 provided with the protective layers, may be labelled in the usual manner.

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