竹资源制备溶解浆及生产工艺优化研究

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作者简介：林思球，高级工程师；主要从事制浆造纸、溶解浆的生产工艺技术及研究工作。

关键词：毛竹；溶解浆；聚合度；反应性能； ∝ -纤维素中图分类号：TS743 文献标识码：A DOI：10.11980/j.issn.0254-508X.2025.08.015

Study on the Preparation of Dissolving Pulp from Bamboo Resources and Optimization of Production Proces

LIN Siqiu （Fujian Qingshan Paper Industry Co.， Ltd.，Sanming，Fujian Province，365500） （E-mail：332307550@qq.com）

Abstract：Thissudymployedthepre-hdrolysisraft（HK）processtopreparedissolvingpulpfrommosobamboo.ItanalyzedtecelationmecansetwnthgfpleaiDoftovinpulpnditsprfoaceicatorssellasfid andactivatortreatmentonteseperformanceindicators.ThersultsshowedthatduringtheHKcooking-bleachingprocess，eofthe bambo disolving pulpshouldbecontroled atapproximately463.AtthisDP，theobtained pulpexhibitedanashcontentof 0. 12% ，an α -cellulose content of 91. 3% ，and a pentosan content of 3.29 % ，withreactivity filtration timesof178s（9 mL CS 12 ）and98s（11mLCS 2 ） Furthermore，replacingtheP（peroxide）bleachingstagewithnA（acid）treatmentstagereducedthashcontentofthebambodsolving pulp product to 0.07% ，increased the α -cellulose content to 92. 6% ，and decreased the pentosan content to 2. 62% ，leading to a significant improvementinproductqualitydicators.Onthisbasis，theaditioofanactivatorreatmentstagefurtherehancdtereacvityofthe bamboo dissolving pulp.

Key words：moso bamboo;dissolving pulp;degree of polymerization； reactivity ; α -cellulose

溶解浆作为一种典型的高纯度纤维素产品，可用于黏胶纤维和Lyocell纤维等再生纤维素、纤维素酯和纤维素醚等纤维素衍生物以及纳米纤维素等纤维素基材产品的生产[1-3]。（剩余8164字）