Preparation method and application of high-strength water-stability wood-based bioplastic

• Main Authors: HAO XIANG, CHEN GEGU, WU ZHONGXUAN, PENG FENG
• Format: Patent
• Language: Chinese; English
• Published: 12.08.2022
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW ORSIMILAR MATERIALS; MANUFACTURE OF SPECIFIC WOODEN ARTICLES; NAILING OR STAPLING MACHINES IN GENERAL; PERFORMING OPERATIONS; PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FORIMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILARMATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITHPERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; 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; WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL

The invention discloses a preparation method and application of high-strength water-stability wood-based bioplastic. The preparation method comprises the following steps: (1) carrying out delignification treatment on natural cork wood by using chemical substances; (2) permeating natural rubber latex into the balsa wood obtained in the step (1) in situ; and (3) putting the cork wood obtained in the step (2) into a hot press for in-situ vulcanization and densification treatment, so as to obtain the wood-based bioplastic. The method disclosed by the invention is low in cost, simple in process, green and environment-friendly, and can be used for large-scale production, and the obtained wood-based bioplastic has high strength, water stability, biodegradability and oxygen barrier property. 本发明公开了一种高强度水稳定性木质基生物塑料的制备方法及其应用。所述制备方法包括以下步骤：①用化学物质对天然轻木进行脱木质素处理；②将天然橡胶胶乳原位渗入步骤①中得到的轻木；③将步骤②中得到的轻木置于热压机中进行原位硫化及密实化处理，即可得到木质基生物塑料。根据本发明的方法成本低廉，工艺简单，绿色环保，可大规模生产，得到的木质基生物塑料具有高强度、水稳定性、生物降解性、氧气阻隔性。