4种松科木材的纤维形态及理化性能研究

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关键词：松科木材；纤维形态；生物结构；理化性能中图分类号：TS721 文献标识码：A DOI：10.11980/j.issn.0254-508X.2025.11.006

Study on Fiber Morphology and Physicochemical Properties of Four Pinaceae Wood Species

CHEN Siyao'XIAO Yuying1CHU Shengze’REN Junli²LI Sainan³LIANG Guohua³LIU Ying1*

（1.NationalEnineeringReseachCenterforPaperMaingndPlutionControl，SouthCina Universityofchology，Gagou， Guangdong Province，2.SchoolofLight IndustryScienceandEnginering，State KeyLabofAdvancedPapermakingand

Paper-basedMaterials，outhChinaUniversityofechnology，GuangzhouGuangdongProvince，64O;3.ClegeofLifeience， Zhaoqing University， Zhaoqing， Guangdong Province， ） （ E-mail：amyliu@scut.edu.cn）

Abstract：Tissdysstematicallvstigatedthlogicalstrucrebeorhogndiccalpropetisof tativePinaceaespeisiussyestris，inusraesis，rixgmelinii，ndiusnsisesultsmoredattlt weightedvaluesof hesefourPinacafibersrangedfrom1.73to7m.Larixgmeliniiebitedthemostpronounceddiferenencel wal-to-umenatioeweearlod（O.）ndlateood15）hellosedmicellosonttsoftaatealsgdfro （204 34.90% to 38.62% and 16.85% to 27.05% ，respectively，with Pinus sylvestris displaying the highest values for both cellulose （ 38.42% ）and hemicellulose （27.05 % ）.Lignin content showed limited variation，distributingbetween 23.75% and 26.41% .Notably，the ashcontent of Pinus yunnanensis （1.39 % ）was significantly higher than that of the other three species （ 0.27% 1 0.33% ）.The density of the four Pinaceae fibers ranged from 1.33 to 1.63g/cm3 ，whilecrystallinity fell within 75.34%～77.41% . The pyrolytic energy distribution spanned 137.2～178.5 kJ/mol.Tezerospantensileindexunderdryconditiosangedfrom58to98·m/g，withPinusoraiensisexhibitingtheigstvalue （198 N·m/g）.

Key words：pinaceae wood;fibrous morphology；biological structure；physicaland chemical properties

在全球产业链重构与“双碳”战略协同推进的新格局下，我国制浆造纸工业正在加速构建自主可控的原料体系，以实现可持续发展。（剩余9865字）