聚氨酯/聚苯乙烯合金的制备及性能
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摘要
同步合成了聚醚型聚氨酯/聚苯乙烯原位聚合物合金,研究了其组成和形态结构对合金韧性的影响。结果表明:随合金中TPU含量增加,材料的韧性呈先增加后下降的过程,在TPU添加量为15wt%时,达最大值。扫描电镜分析显示:TPU在PS基体中呈椭圆或球形分布,呈现典型的"海-岛结构"。两相间的界面相互作用使聚合物力学性能呈现正向协同效应。当TPU含量达到临界值后,粒径明显增大,两相间呈现相分离结构,界面相互作用效果减弱。
In this paper,a polyether type polyurethane/poly styrene polymer alloy had been synthesized via synchronization method.The toughening effect of the polymer alloy based on the TPU composition and morphological structure had been studied.Mechanical test results indicated that the toughening effect of the polymer alloy was first increased and then decreased along with the increasing of TPU content.The maximum value appeared at 15 wt% TPU content.The SEM analysis showed that in the polymer alloy,the TPU phase distributed in PS matrix phase as sphere or oval shape with the typical sea-island structure.The presence of the phase interface led to the positive synergism on the polymer alloy mechanical properties.When the TPU content reached a critical value,the size of dispersed TPU phase increased remarkably.The phase-separated morphology was observed between TPU dispersed phase and PS matrix phase,which weakened the phase interface interaction.
In this paper,a polyether type polyurethane/poly styrene polymer alloy had been synthesized via synchronization method.The toughening effect of the polymer alloy based on the TPU composition and morphological structure had been studied.Mechanical test results indicated that the toughening effect of the polymer alloy was first increased and then decreased along with the increasing of TPU content.The maximum value appeared at 15 wt% TPU content.The SEM analysis showed that in the polymer alloy,the TPU phase distributed in PS matrix phase as sphere or oval shape with the typical sea-island structure.The presence of the phase interface led to the positive synergism on the polymer alloy mechanical properties.When the TPU content reached a critical value,the size of dispersed TPU phase increased remarkably.The phase-separated morphology was observed between TPU dispersed phase and PS matrix phase,which weakened the phase interface interaction.
引文
[1]常丽.本体原位法制备高抗冲聚苯乙烯树脂[D].大连:大连理工大学,2011.
[2]程曾越.通用树脂使用激素手册[M].北京:中国石化出版社,1999.
[3]Zhang Y,Qi Y H,Zhang Z P.Synthesis of PPG-TDI-BDOpolyurethane and the influence of hard segment content on its structure and antifouling properties[J],Prog Org Coat.,2016,97:115-121.
[4]曹新鑫,王优,李启强,等.热塑性聚氨酯弹性体共混改性研究进展[J].化工新型材料,2015,43(4):27-29.
[5]Segal E,Tchoudakov R,Narkis M,et al.Senors for chemicals based on electric-ally conductive immiscible HIPS/TPU blends containing carbon black[J].J Mater Sci.,2004,39:5673-5682.
[6]黄高爽.PVC改性TPU弹性体的制备及性能研究[D].泉州:华侨大学,2014.
[7]Kim C,Klempner D,Frisch K C,et al.Polyurethane-polystyrene interpenetrating polymer networks[J].Polym Eng Sci,1975,15:339-342.
[8]沈家瑞,贾德民.聚合物共混物与合金[M].广州:华南理工大学出版社,1999.
[9]Kim J H.,Kim S C.Controlling the morphology of polyurethane/polystyrene interpenetrating polymer networks for enhanced blood compatibility[J].J.Appl.Polym.Sci.,2002,84(2):379-387.
[10]朱国全,毕红卫,刘曙光.聚氨酯/苯乙烯互穿网络膜的实验研究[J].山东化工,2002,31(2):4-5,7.
[11]Teh J,Rudin A.Properties and morphology of PS and LLDPE polyblend and polyalloy[J].Polym Eng Sci.,1991,21(14):1033-1042.
[12]Kojio K,Furukawa M,Nonaka Y.Control of mechanical properties of thermop-lastic polyurethane elastomers by restriction of crystallization of soft segment[J].Material,2010,3(12):5097-5110.
[13]Sperling L H.Interpenetrating polymer networks and related materials[M].New York:Plenum Press,1981.
[14]Sperling L H.Interpenetrating polymer networks:An overview,in interpenetrating polymer networks[M].Washington,DC:American Chemical Society,1994:3-38.
[15]Hsieh K.H,Chou L.M,Wong S.S,Effect of charge groups in polyurethane and polystyrene interpenetrating polymer networks[J].Macromolecular Materials&Engineering,1989,168(1):145-155.
[16]Hourston D.J,Sch?fer F,Walter N.J,Gradwell M.H.S.Mechanical and morphological study of polyurethane/polystyrene interpenetrating polymer networks containing ionic groups[J].J.of Applied Polymer Science,2015,67(12):1973-1985.
[17]He X,Widmaier J.M,Meyer G.C,Kinetics of phase separation in polyurethane/polystyrene semi‐1 interpenetrating polymer networks.2.Microscopy observations and theoretical approach[J].Polymer International,1993,32(3):295-301.
[18]Xue S.C,Zhang Z.P,Ying S.K,Reaction kinetics of polyurethane/polystyrene interpenetrating polymer networks by infra-red spectroscopy[J].Polymer,1989,30(7):1269-1274.
[2]程曾越.通用树脂使用激素手册[M].北京:中国石化出版社,1999.
[3]Zhang Y,Qi Y H,Zhang Z P.Synthesis of PPG-TDI-BDOpolyurethane and the influence of hard segment content on its structure and antifouling properties[J],Prog Org Coat.,2016,97:115-121.
[4]曹新鑫,王优,李启强,等.热塑性聚氨酯弹性体共混改性研究进展[J].化工新型材料,2015,43(4):27-29.
[5]Segal E,Tchoudakov R,Narkis M,et al.Senors for chemicals based on electric-ally conductive immiscible HIPS/TPU blends containing carbon black[J].J Mater Sci.,2004,39:5673-5682.
[6]黄高爽.PVC改性TPU弹性体的制备及性能研究[D].泉州:华侨大学,2014.
[7]Kim C,Klempner D,Frisch K C,et al.Polyurethane-polystyrene interpenetrating polymer networks[J].Polym Eng Sci,1975,15:339-342.
[8]沈家瑞,贾德民.聚合物共混物与合金[M].广州:华南理工大学出版社,1999.
[9]Kim J H.,Kim S C.Controlling the morphology of polyurethane/polystyrene interpenetrating polymer networks for enhanced blood compatibility[J].J.Appl.Polym.Sci.,2002,84(2):379-387.
[10]朱国全,毕红卫,刘曙光.聚氨酯/苯乙烯互穿网络膜的实验研究[J].山东化工,2002,31(2):4-5,7.
[11]Teh J,Rudin A.Properties and morphology of PS and LLDPE polyblend and polyalloy[J].Polym Eng Sci.,1991,21(14):1033-1042.
[12]Kojio K,Furukawa M,Nonaka Y.Control of mechanical properties of thermop-lastic polyurethane elastomers by restriction of crystallization of soft segment[J].Material,2010,3(12):5097-5110.
[13]Sperling L H.Interpenetrating polymer networks and related materials[M].New York:Plenum Press,1981.
[14]Sperling L H.Interpenetrating polymer networks:An overview,in interpenetrating polymer networks[M].Washington,DC:American Chemical Society,1994:3-38.
[15]Hsieh K.H,Chou L.M,Wong S.S,Effect of charge groups in polyurethane and polystyrene interpenetrating polymer networks[J].Macromolecular Materials&Engineering,1989,168(1):145-155.
[16]Hourston D.J,Sch?fer F,Walter N.J,Gradwell M.H.S.Mechanical and morphological study of polyurethane/polystyrene interpenetrating polymer networks containing ionic groups[J].J.of Applied Polymer Science,2015,67(12):1973-1985.
[17]He X,Widmaier J.M,Meyer G.C,Kinetics of phase separation in polyurethane/polystyrene semi‐1 interpenetrating polymer networks.2.Microscopy observations and theoretical approach[J].Polymer International,1993,32(3):295-301.
[18]Xue S.C,Zhang Z.P,Ying S.K,Reaction kinetics of polyurethane/polystyrene interpenetrating polymer networks by infra-red spectroscopy[J].Polymer,1989,30(7):1269-1274.