POLYOLEFIN COMPOSITION WITH THE IMPROVED BLACK LASER-MARKING PROPERTY, BY INCLUDING A CARBONIZATION PROMOTER

摘要

PURPOSE: A polyolefin composition is provided to occur a partial discoloration using the laser energy, during a producing process of a pattern or an image including characters and numbers.;CONSTITUTION: A polyolefin composition contains 100 parts of polyolefin resin by weight, and 0.01~10 parts of isocyanurate based compound by weight as a carbonization promoter. The isocyanurate based compound is selected from the group consisting of trimethyl isocyanurate, triethyl isocyanurate, tripropyl isocyanurate, triisopropyl isocyanurate, triisobutyl isocyanurate, tributyl isocyanurate, tripentyl isocyanurate, trihexyl isocyanurate, tribenzyl isocyanurate, methyl diethyl isocyanurate, diethyl benzyl isocyanurate, triglycidyl isocyanurate, trihydroxy methyl isocyanurate, trihydroxy ethyl isocyanurate, and triisocyanatohexyl isocyanurate.;COPYRIGHT KIPO 2011