剑麻微纤维2f改性明胶复合材料的分析

《剑麻微纤维2f改性明胶复合材料的分析》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、tightlyandtidilypackedsinglefibers．Thereiscracksectionphenomenononthesurfaceofthefibers．Thewaxandotherimpuritiesattachtothefibersurfaceandthecrack．Thesisalfibersweremicrofibrillatedbymechanicalmicrofibrillationfollowedbyalkalinetreatment．Thenon-cellulosesubstanc

2、es，suchaswax，hemicellulose，lignin，wereremoved．Thesisalmicrofibrilswithdiametersofabout5—10larnwereobtained．Thesisalmicrofibrilsweremixedwithwatertomakeamat．Sisalmicrofibrils／gelatinbiomasscompositeswerepreparedbyasolutionimpregnationtechnique．Theinfluencesofthes

3、isalfibrilonthemechanicalproperties，swellingproperties，waterabsorption，enzymaticdegradation，thermaldegradationstabilityofthecompositeswereinvestigatedsystematically．Theadditionofnaturalsisalfiberscannotenhancethecompositeseffectively．Withtheincreaseofsisalfibril

4、sinthecompositefilms，thetensilestrengthisincreased；onthecontrary,theelongationatbreak，equilibriumswellingdegree，waterabsorptionratio，enzymaticdegradationratiohaveshowntobedecreased．Keywords：gelatin；chemicalmodification；sisalfiber；mechanicalproperty；waterabsorpti

5、on；swelling；thermalstability；biodegradation；IV郑州人学硕．1j论文目录中文摘要⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯IAbstract．．⋯．⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．．⋯⋯⋯．⋯⋯⋯⋯⋯⋯．⋯⋯．⋯⋯⋯⋯⋯⋯⋯．⋯．⋯⋯⋯．．．⋯⋯⋯⋯III1概述⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．11．1明胶⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯11．2剑麻纤维的基本性质⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯

6、11．2．1剑麻纤维的结构与性能⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯11．2．2剑麻纤维的表面处理⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯51．2．3剑麻纤维的微纤化处理⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯71．3生物降解高分子⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯91．4国内外研究现状⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．101．4．I明胶的改性方法⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．101．4．2剑麻纤维增强复合材料的研究⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯

7、171．5本课题的意义及创新性⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯一192明胶的改性及表征⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．222．1实验材料及仪器⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯222．1．1实验材料⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯。222．1．2实验仪器⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯222．2实验内容及方法⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯232．2．1明胶的改性⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．2

8、32．2．2性能表征⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．232．3结果与讨论⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯252．3．1铬粉改性对明胶薄膜性能的影响⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯252．3．2双醛淀粉改性对明胶薄膜性能的影响⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯30郑州人学硕‘I