阅读说明：本技术 可生物降解的容器和板材及其制造方法 (Biodegradable containers and sheets and methods of making same ) 是由 A·H·艾伯特斯 F·L·蒂斯 W·J·W·巴克 于 2020-01-20 设计创作，主要内容包括：本发明涉及一种包含纤维素基材料层的可生物降解的容器或板材,所述可生物降解的容器或板材设置有复合材料表面层,该复合材料表面层包含纤维素基材料和衍生自具有2-15个碳原子的脂族多元醇和具有3至15个碳原子的脂族多元羧酸的聚酯,其中多元羧酸包含至少50wt.％的三羧酸。根据本发明的可生物降解的容器或板材显示出以下性能中的一种或多种,特别是其组合：重量轻、(湿)强度高、所需程度的柔韧性、良好(暂时)的耐水、耐油和耐脂肪性以及有吸引力的视觉和触觉特征。(The present invention relates to a biodegradable container or board comprising a layer of cellulose-based material, said biodegradable container or board being provided with a composite surface layer comprising a cellulose-based material and a polyester derived from an aliphatic polyol having 2-15 carbon atoms and an aliphatic polycarboxylic acid having 3 to 15 carbon atoms, wherein the polycarboxylic acid comprises at least 50 wt.% of a tricarboxylic acid. The biodegradable container or sheet according to the invention exhibits one or more of the following properties, in particular combinations thereof: light weight, (wet) strength, a desired degree of flexibility, good (temporary) resistance to water, oil and fat, and attractive visual and tactile characteristics.)