Patent ID: 9574059
Date: 2017-02-21
CPC Classifications: C08F,C08J,E04B

Claim:
1. A method of preparing a thermal insulation polystyrene foam particle, the method comprising: preparing a mixture of expandable polystyrene particles and a thermal insulation material by mixing the expandable polystyrene particles and the thermal insulation material; preparing a mixture solution by dissolving chlorinated paraffin and at least one of a paraffin oil and a rubber resin in an organic solvent; and softening a surface layer of the expandable polystyrene particles by spraying the mixture with the mixture solution, while stirring the mixture, and infiltrating the thermal insulation material, the chlorinated paraffin and the at least one of the paraffin oil and the rubber resin into the surface layer of the expandable polystyrene particles.