MARBLE-COLOR MOLDED PRODUCT

• Main Authors: HAN, Jung Jin, LEE, Ryul, LEE, Yong Ju, BAE, Sung Hak, KIM, Hyung Sok, LEE, Su Kyoung, HAN, Sang Choll, KWAK, Byoung Jin, MOON, Cho Rok
• Format: Patent
• Language: English; French; German
• Published: 02.10.2024
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; CHEMISTRY; COLORIMETRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS; INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT; MEASURING; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; PHYSICS; RADIATION PYROMETRY; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TESTING; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

An embodiment according to one aspect of the present invention provides a marbled molded product obtained by injection-molding, in a mold cavity, a mixture comprising: a thermoplastic resin comprising one selected from the group selected from polycarbonate, acrylonitrile-butadiene-styrene, polybutylene terephthalate, polypropylene, and combinations thereof; and fine pigment particles, wherein a pattern forming a texture is formed on the surface of the injection-molded product.An embodiment according to another aspect of the present invention provides a system for evaluating a marble color effect of a marbled molded product which is an injection-molded product of a mixture comprising: a thermoplastic resin comprising one selected from the group selected from polycarbonate, acrylonitrile-butadiene-styrene, polybutylene terephthalate, polypropylene, and combinations thereof; and fine pigment particles, the system comprising: a light source unit configured to emit light onto the surface of the molded product while forming an angle with the surface of the molded product; an image-capturing unit configured to capture an image of light scattered from the surface of the molded product; an image processing unit configured to process the image captured by the image-capturing unit in order to determine the boundaries of regions in which the marble color effect is created on the surface of the molded product; and an evaluation factor determination unit configured to determine a marble color effect evaluation factor from the image processed by the image processing unit.