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BuKe factory >> Questions >> 印刷紙張植物纖維的化學成分有哪些

印刷紙張植物纖維的化學成分有哪些

From:Buke printing factory of China | Author:China Bukeprinting factorybook0755 | Published time: 2020-10-10 | 339 Views | 🔊 Click to read aloud ❚❚ ▶ | Share:
植物纖維原料的化學成分主要有碳水化合物、苯酚類物質、萜烯類物質、脂肪酸、醇類、蛋白質及無機物等。碳水化合物主要是指多糖,約占原料的50%,主要包括纖維素、半纖維素。苯酚類物質,主要組分是木素,約占原料的15%~35%。

印刷紙張植物纖維的化學成分有哪些

植物纖維原料的化學成分主要有碳水化合物、苯酚類物質、萜烯類物質、脂肪酸、醇類、蛋白質及無機物等。碳水化合物主要是指多糖,約占原料的50%,主要包括纖維素、半纖維素。苯酚類物質,主要組分是木素,約占原料的15%~35%。

萜烯類物質主要是指揮發性物質(如松節油)及松香酸等,在針葉木製成的植物纖維原料中萜烯類物質約占5%,而在闊葉木及草類製成的植物纖維原料中含量極低。

顯然,植物纖維原料中,纖維素半纖維素及木素為主要組分,也是構成成品紙的主要成分。

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印刷紙張植物纖維的化學成分有哪些
印刷紙張植物纖維的化學成分有哪些

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