COMPOSITE METAL-POLYMER PART AND ITS APPLICATION IN, PARTICULARLY, AUTOMOTIVE INDUSTRY Russian patent published in 2013 - IPC B32B15/18 B32B37/00 

FIELD: process engineering.

SUBSTANCE: invention relates to production of composite metal-polymer part and its application in automotive industry. It comprises, at least, one steel sheet furnished with coating made of, at least, one extruded polymer film. Said film includes the following components: polymer composed of the dispersion of elastomer globules in polypropylene matrix. Note here that fraction of elastomer in said matrix makes less than 20 wt % of total weight of matrix and elastomer. Besides, it includes first antioxidant of phenol antioxidants range in amount larger than or equal to 0.2 wt %. Also, it comprises second antioxidant of phenol antioxidants range decomposing hydro peroxides in amount of larger than or equal to 0.1 wt %, and reinforcing filler in amount of smaller than 10%.

EFFECT: polymer mix for production of composite part that allows electroplating.

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