LIGNOCELLULOSIC COMPOSITE ARTICLES

• Main Authors: SCHEFFLER GENE M, LEON GUSTAVO E, MENTE DONALD C
• Format: Patent
• Language: Chinese; English
• Published: 29.10.2021
• Subjects: ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; ADHESIVES; CHEMISTRY; COMPOSITIONS BASED THEREON; DYES; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUTORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTINGOF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NAILING OR STAPLING MACHINES IN GENERAL; NATURAL RESINS; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; PERFORMING OPERATIONS; POLISHES; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; USE OF MATERIALS AS ADHESIVES; WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL

Provided herein are lignocellulosic composite articles and methods for forming the same. In an aspect, the lignocellulosic composite articles comprise a plurality of lignocellulosic pieces derived from wood; together with an adhesive system disposed on the plurality of lignocellulosic pieces for bonding the plurality of lignocellulosic pieces. In an aspect, the adhesive system comprises a binder component comprising diphenylmethane diisocyanates (MDIs) and/or polymeric diphenylmethane diisocyanates (pMDIs), and a catalyst component comprising imidazole in a water solution. 本文提供了木质纤维素复合制品和用于形成所述木质纤维素复合制品的方法。在一方面，所述木质纤维素复合制品包括：多个木质纤维素片，所述多个木质纤维素片来源于木材；以及粘合剂体系，所述粘合剂体系安置在所述多个木质纤维素片上以用于结合所述多个木质纤维素片。在一方面，所述粘合剂体系包括：粘结剂组分，所述粘结剂组分包括二苯基甲烷二异氰酸酯(MDI)和/或聚合二苯基甲烷二异氰酸酯(pMDI)；以及催化剂组分，所述催化剂组分包括咪唑的水溶液。