The present invention relates to a method of producing a finely fibrous cellulose composite prepreg sheet, the method including a preparation step of mixing an emulsion of a reactive compound with an aqueous suspension containing a finely fibrous cellulose to prepare a mixed liquid, a papermaking step of dewatering the mixed liquid by filtration on a porous substrate to form a water-containing sheet, and a drying step of heating and drying the water-containing sheet; and a method of producing a finely fibrous cellulose composite sheet, the method including subjecting the finely fibrous cellulose composite prepreg sheet produced by the aforementioned production method to a curing treatment. The present invention is able to provide a method of producing a finely fibrous cellulose composite prepreg sheet with good efficiency, a method of producing a finely fibrous cellulose composite sheet, and a method of producing a finely fibrous cellulose composite laminate sheet.
本发明涉及一种生产细
纤维素复合预浸料片材的方法,该方法包括将活性化合物乳液与含有细
纤维素的
水悬浮液混合以制备混合液体的制备步骤,在多孔基底上通过过滤将混合液体脱
水以形成含
水片材的造纸步骤,以及加热和干燥含
水片材的干燥步骤;以及一种生产细
纤维素复合片材的方法,该方法包括将通过上述生产方法生产的细
纤维素复合预浸片材进行固化处理。本发明能够提供一种生产效率高的细
纤维素复合预浸料板材的方法、一种生产细
纤维素复合板材的方法和一种生产细
纤维素复合层压板材的方法。