Composite membrane for invisible orthodontic treatment of teeth as well as preparation method and application of composite membrane

• Main Authors: MA YUHONG, SHI ZHONGYU, WANG ZHUHONG, HU YUANYUAN, SHI LIUHUI, WANG GUOSHENG, LI YANG, REN YUFANG, CHEN SHENGJUN, DING XUEJIA, LI SHIPENG, WU YONGZHEN
• Format: Patent
• Language: Chinese; English
• Published: 04.11.2022
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE; DENTISTRY; HUMAN NECESSITIES; HYGIENE; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; MAKING GRANULES OR PREFORMS; MEDICAL OR VETERINARY SCIENCE; PERFORMING OPERATIONS; PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

The invention relates to a composite membrane for invisible orthodontics of teeth and a preparation method and application thereof, and solves the technical problems, the composite membrane is provided with a four-layer structure, and the four-layer structure sequentially comprises a polyethylene glycol terephthalate-1, 4-cyclohexanedimethanol ester layer, a polyurethane layer, a polycarbonate layer, a polyethylene glycol terephthalate-1, 4-cyclohexanedimethanol ester layer, a polyurethane layer, a polycarbonate layer and a polyethylene glycol terephthalate-1, 4-cyclohexanedimethanol ester layer. And a 1, 4-cyclohexanedimethanol ester layer is prepared. The method can be applied to the field of preparation of invisible orthodontic materials for teeth. 本发明涉及一种用于牙齿隐形正畸的复合膜片及其制备方法和应用，其解决了技术问题，其设有四层结构，所述四层结构依顺序分别为：聚对苯二甲酸乙二醇酯-1,4-环己烷二甲醇酯层、聚氨酯层、聚碳酸酯层、聚对苯二甲酸乙二醇酯-1,4-环己烷二甲醇酯层。本发明可用于牙齿隐形正畸材料的制备领域。