聚(3-羟基丁酸-co-3-羟基戊酸共聚酯)/聚丙烯接枝马来酸酐的相容性
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摘要
为给熔喷非织造材料的制备提供理论参考,采用熔融共混的方法分别制备了质量比为100∶0、75∶25、50∶50、25∶75、0∶100的熔喷用聚(3-羟基丁酸-co-3-羟基戊酸共聚酯)/聚丙烯接枝马来酸酐(PHBV/PP-g-MAH)共混材料。利用差示量热扫描仪、X射线衍射仪和红外光谱仪分别对PHBV/PP-g-MAH共混体系的相容性进行了研究,并用扫描电镜观察了共混体系的相分布形态。结果表明:共混体系出现了分离的玻璃化温度,表明2种组分总体不相容;在衍射角22.8°处没有出现PHBV的衍射峰,说明PP-g-MAH改变了PHBV结晶区的分子链排列;在1 710 cm-1处共混体系出现新的吸收峰,即二者之间的化学键生成了酯基;当共混比例不同时,共混体系呈现不同的"海-岛"相分布形态。
In order to provide theoretical basis for the preparation of melt-blown nonwoven materials,poly( 3-hydroxybutyrate-co-3-hydroxyvalerate)( PHBV) and polypropylene grafted maleic anhydride( PPg-MAH) blends with different ratios( 100 ∶ 0,75 ∶ 25,50 ∶ 50,25 ∶ 75 and 0 ∶ 100) were prepared by melting mixing. The blend systems were investigated by differential scanning calorimetry, X-ray diffraction,Fourier transform infrared spectroscopy and scanning electron microscopy. The results indicate that PHBV and PP-g-MAH are almost immiscible on account of a separation of the glass transition temperature. No diffraction peak appears at 2θ = 22. 8°,that is to say,PP-g-MAH changes the PHBV's crystallization of the molecular chain arrangement. The chemical bonds between them generate ester group because of the emergence of a new absorption peak in 1 710 cm- 1,and PHBV/PP-g-MAH blends represent different morphologies of sea-island with the change of compositions.
In order to provide theoretical basis for the preparation of melt-blown nonwoven materials,poly( 3-hydroxybutyrate-co-3-hydroxyvalerate)( PHBV) and polypropylene grafted maleic anhydride( PPg-MAH) blends with different ratios( 100 ∶ 0,75 ∶ 25,50 ∶ 50,25 ∶ 75 and 0 ∶ 100) were prepared by melting mixing. The blend systems were investigated by differential scanning calorimetry, X-ray diffraction,Fourier transform infrared spectroscopy and scanning electron microscopy. The results indicate that PHBV and PP-g-MAH are almost immiscible on account of a separation of the glass transition temperature. No diffraction peak appears at 2θ = 22. 8°,that is to say,PP-g-MAH changes the PHBV's crystallization of the molecular chain arrangement. The chemical bonds between them generate ester group because of the emergence of a new absorption peak in 1 710 cm- 1,and PHBV/PP-g-MAH blends represent different morphologies of sea-island with the change of compositions.
引文
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[14]何飞雄,卞军,蔺海兰,等.功能化纳米石墨烯片/PP-PP-g-MAH复合材料的制备与表征[J].复合材料学报,2015,32(1):47-53.HE Feixiong,BIAN Jun,LIN Hailan,et al.Preparation and characterization of functionalized nanographene sheet/PP-PP-g-MAH composites[J].Acta Materiae Composite Sinica,2015,32(1):47-53.
[15]LEI Y,WU Q,ZHANG Q.Morphology and properties of microfibrillar composites based on recycled poly(ethylene terephthalate)and high density polyethylene[J].Composites Part A:Applied Science and Manufacturing,2009,40(6):904-912.
[2]张瑜.竹纤维/PHBV复合材料的力学性能研究[J].纺织学报,2004,25(6):38-40.ZHANG Yu.Research mechanical properties of bamboo fiber/PHBV composites[J].Journal of Textile Research,2004,25(6):38-40.
[3]赵春财,王华平,沈健彧,等.PLA和PHBV共混改性聚酯长丝及其制备方法:中国,201210350463.1[P].2012-09-20.ZHAO Chuncai,WANG Huaping,SHEN Jianyu,et al.A method to prepare the blending polyester filament with PLA and PHBV:China,201210350463.1[P].2012-09-20.
[4]陈鹏,顾群,黎俊,等.一种含PHBV的可降解纤维及其制备方法:中国,201110102009.X[P].2012-05-30.CHEN Peng,GU Qun,LI Jun,et al.A method to prepare a kind of biodegradable fiber containing PHBV:China,201110102009.X[P].2012-05-30.
[5]陈龙,徐珺,秦宗益.一种增韧生物质材料及其制备方法:中国,201310141212.7[P].2013-07-17.CHEN Long,XU Jun,QIN Zongyi.A method to prepare toughening biomass materials:China,201310141212.7[P].2013-07-17.
[6]MARCILLA A,GARCIA-QUESADA J,GIL E.Behavior of flexible poly(vinyl chloride)/poly(hydroxybutyrate valerate)blends[J].Journal of Applied Polymer Science,2008,110(4):2102-2107.
[7]GON Alves S,MARTINS-FRANCHETTI S,CHINAGLIA D.Biodegradation of the films of PP,PHBV and its blend in soil[J].Journal of Polymers and the Environment,2009,17(4):280-285.
[8]AVELLA M,MARTUSCELLI E,RAIMO M.Review properties of blends and composites based on poly(3-hydroxy)butyrate(PHB)and poly(3-hydroxybutyratehydroxyvalerate)(PHBV)copolymers[J].Journal of Materials Science,2000,35(3):523-545.
[9]朱斐超,韩建,于斌,等.熔喷非织造用聚(3-羟基丁酸-co-3-羟基戊酸共聚酯)/聚乳酸双组分生物降解材料的可纺性能[J].纺织学报,2016,37(2),21-26.ZHU Feichao,HAN Jian,YU Bin,et al.Study on spinnability of biodegradable poly(3-hydroxybutyrate-co-3-hydroxyvalerate)/poly(lactic acid)blends for meltblown nonwovens[J].Journal of Textile Research,2016,37(2),21-26.
[10]SASIKALA C,RAMANA C V.Biodegradable polyesters[J].Advances in Applied Microbiology,1996(42):97-218.
[11]龚长华,孙辉,盛京.双组分共混体系中晶相结晶行为[J].高分子通报,2006(7):71-76,81.GONG Changhua,SUN Hui,SHENG Jing.Progress in studies of the crystallization behaviors of the crystal polymer in two components blend[J].Polymer Bulletin2006(7):71-76,81.
[12]GAW Owski A,WYSOCKI M,GRACZYK T.Processing and supermolecular structure of new i PP/PLA fibers[J].Fibers and Textiles in Eastern Europe,2005,13(5):53-57.
[13]朱斐超,于斌,韩建,等.熔喷非织造用PHBV/PLA共混体系的结构与相容性[J].高分子材料与工程,2014,30(8):81-84,90.ZHU Feichao,YU Bin,HAN Jian,et al.Structure and miscibility of poly(3-hydroxybutyrate-co-3-hydroxyvalerate)and poly(lactic acid)blends for melt-blown nonwovens[J].Polymer Materials Science and Engineering,2014,30(8):81-84,90.
[14]何飞雄,卞军,蔺海兰,等.功能化纳米石墨烯片/PP-PP-g-MAH复合材料的制备与表征[J].复合材料学报,2015,32(1):47-53.HE Feixiong,BIAN Jun,LIN Hailan,et al.Preparation and characterization of functionalized nanographene sheet/PP-PP-g-MAH composites[J].Acta Materiae Composite Sinica,2015,32(1):47-53.
[15]LEI Y,WU Q,ZHANG Q.Morphology and properties of microfibrillar composites based on recycled poly(ethylene terephthalate)and high density polyethylene[J].Composites Part A:Applied Science and Manufacturing,2009,40(6):904-912.