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一种复合芯材真空绝热板及其制备方法

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Title:
一种复合芯材真空绝热板及其制备方法
Subjects: FIBREBOARD ; IMPREGNATING OR COATING OF PAPER ; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS ORFROM PAPIER-MACHE ; PAPER NOT OTHERWISE PROVIDED FOR ; PAPER-MAKING ; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D ; PRODUCTION OF CELLULOSE ; PULP COMPOSITIONS ; TEXTILES ; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
Description: 本发明属于新型保温领域，公布了一种复合芯材真空绝热板及其制备方法，所述芯材包括造纸废液和木棉纤维。该技术方案利用造纸废液(黑液)与木棉纤维混合，采用湿法造纸技术，制备一种新型的复合芯材真空绝热板，实现造纸废液的高值化应用，节能环保。造纸废液在混合浆料中充当表面活性剂的同时也充当粘结剂和填充剂的作用，达到减小复合芯材毡片平均孔径以及VIP失真空后芯材膨胀率的目的。 The invention belongs to the field of novel heat preservation, and discloses a composite core material vacuum insulated panel and a preparation method thereof, and the core material comprises papermaking waste liquid and kapok fiber. According to the technical scheme, papermaking waste liquor (black liquor) and kapok fibers are mixed, a wet papermaking technology is adopted, the novel composite core material vacuum insulation panel is prepared, high-valued application of the papermaking waste liquor is achieved, and energy conservation and environmental protection are achieved. The papermaking waste liquid is used as a surfactant, a binder and a filler in the mixed slurry, so that the purpose of reducing the average pore size of the composite core material felt and the expansion rate of the core material after VIP (Vacuum Induced
Creation Date: 2023
Language: Chinese
Source: esp@cenet

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一种复合芯材真空绝热板及其制备方法

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