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    • 2. 发明申请
    • METHOD OF MOLDING A BIODEGRADABLE ARTICLE
    • 可生物降解文章的制作方法
    • WO2003051980A1
    • 2003-06-26
    • PCT/CA2002/002005
    • 2002-12-19
    • HARLE, DougWANG, SunminGREEN, Richard, C.
    • HARLE, DougWANG, SunminGREEN, Richard, C.
    • C08L3/00
    • B65D65/466C08L3/00Y02A40/961Y02W90/11Y02W90/13C08L2666/02
    • A thin walled article, for example a biodegradable tray is formed by a method using a mixture comprised substantially of wheat flour. The mixture is subjected to pressure within a heated mold for cooking the mixture under pressure to produce the article. Water is added to the mixture having a combined weight which is less than 23% of the total weight of the mixture. The mixture thus has the consistency of a moistened powder before being placed in the mold. The mixture is thus readily mixed and handled while permitting various additives to also be readily added to the mixture. These additives may include a powdered dye, a pre-gelatinised starch, a binding agent (for example guar gum), a humectant (for example D-Sorbitol), a cellulose fibre (for example a natural dietary fibre) or a preservative (for example Sodium Benzoate).
    • 通过使用基本上由小麦粉组成的混合物的方法形成薄壁制品,例如可生物降解的托盘。 将混合物在加热的模具内进行压力以在压力下烹饪混合物以制备制品。 将水加入混合物中,其混合重量小于混合物总重量的23%。 因此,混合物在放入模具中之前具有湿润粉末的稠度。 因此,混合物容易混合和处理,同时允许各种添加剂也容易地添加到混合物中。 这些添加剂可以包括粉末状染料,预胶化淀粉,粘合剂(例如瓜尔胶),湿润剂(例如D-山梨糖醇),纤维素纤维(例如天然膳食纤维)或防腐剂(用于 例如苯甲酸钠)。