the present invention relates to a thermoplastic laminate for an eyewear , a decorative part comprising the thermoplastic laminate and a preparation process therefore . in particular , during the preparation of the laminate , a high frequency welding machine is used for bonding thermoplastic layers . the present invention uses a high frequency welding machine for the instant welding of the thermoplastic layers . good bonding strength exists between different layers . further , the patterns of the core layer are intact , and have high - definition images . the patterns are located in the core layer , not affected by external environmental factors , and not easily abraded . further , multiple surfaces of the part for an eyewear have patterns , increasing the beautiful appearance of the part for an eyewear , and meeting the requirements of customers to the largest extent .