Process for surface modification of materials

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United States of America Patent

PATENT NO 10661496
APP PUB NO 20180117828A1
SERIAL NO

15553350

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Abstract

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The present invention relates to surface modification of materials. In particular the invention relates to a process for surface modification of polymeric materials to make the surface non-stick in order to reduce the ability of materials to stick on it and thus provide an easy flow. The process comprises embossing the surface of an object with a pattern comprising micropillars having different shapes (circle, square, rectangular, polygonal prismatic) with an equivalent circular diameter, height and pitch in the range 10-200 microns; applying a layer of adhesive to get a coverage of 0.1 to 5 mg/cm on the embossed surface either by spray coating or dip coating; depositing 0.2 to 1.2 mg/cm of hydrophobic particles wherein the hydrophobic particles have a particle size in the range 0.1 to 10 microns.

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Patent Owner(s)

Patent OwnerAddress
CONOPCO INC D/B/A UNILEVER700 SYLVAN AVENUE ENGLEWOOD CLIFFS NJ 07632

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Das, Somnath Whitefield, IN 16 15
Muralidharan, Girish Liverpool, GB 13 67
Pramanik, Amitava Liverpool, GB 19 22

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