Distribution of α-, β-, and γ-Phases in a Multi-flow Injection-molded Hierarchical Structure
English
Distribution of α-, β-, and γ-Phases in a Multi-flow Injection-molded Hierarchical Structure
-
Key words:
- Shish-kebab
- / Growth competition
- / α Phase
- / γ Phase
- / β Phase
-
-
-
[1]
Lotz B., Wittmann J. C., Lovinger A. J.. Structure and morphology of poly (propylenes):a molecular analysis[J]. Polymer, 1996, 37(22): 4979-4992. doi: 10.1016/0032-3861(96)00370-9
-
[2]
And E. L., Bartczak Z.. Plastic deformation of the γ phase isotactic polypropylene in plane-strain compression at elevated temperatures[J]. Macromolecules, 2007, 40(14): 4933-4941. doi: 10.1021/ma0708038
-
[3]
Somani R. H., Hsiao B. S., Nogales A., Fruitwala H., Srinivas S., Tsou A. H.. Structure development during shear flow induced crystallization of i-PP:in situ wide-angle X-ray diffraction study[J]. Macromolecules, 2001, 34(17): 5902-5909. doi: 10.1021/ma0106191
-
[4]
Mao Y., Burger C., Zuo F., Hsiao B. S., Mehta A., Mitchell C., Tsou A. H.. Wide-angle X-ray scattering study on shear-induced crystallization of propylene-1-butylene random copolymer:experiment and diffraction pattern simulation[J]. Macromolecules, 2011, 44(3): 558-565. doi: 10.1021/ma102342c
-
[5]
Zhang Y., Zhang L., Liu H., Du H., Zhang J., Wang T., Zhang X.. Novel approach to tune mechanics of β-nucleation agent nucleated polypropylene:role of oriented β spherulite[J]. Polymer, 2013, 54(21): 6026-6035. doi: 10.1016/j.polymer.2013.08.024
-
[6]
Foresta T., Piccarolo S., Goldbeck-Wood G.. Competition between α and γ phases in isotactic polypropylene:effects of ethylene content and nucleating agents at different cooling rates[J]. Polymer, 2001, 42(3): 1167-1176. doi: 10.1016/S0032-3861(00)00404-3
-
[7]
Bai H., Wang Y., Zhang Z., Han L., Li Y., Liu L., Zhou Z., Men Y.. Influence of annealing on microstructure and mechanical properties of isotactic polypropylene with β-phase nucleating agent[J]. Macromolecules, 2009, 42(17): 6647-6655. doi: 10.1021/ma9001269
-
[8]
Varga J., Menyhárd A.. Effect of solubility and nucleating duality of N, N'-dicyclohexyl-2, 6-naphthalenedicarboxamide on the supermolecular structure of isotactic polypropylene[J]. Macromolecules, 2007, 40(7): 2422-2431. doi: 10.1021/ma062815j
-
[9]
Tordjeman P., Robert C., Marin G., Gerard P.. The effect of α, β crystalline structure on the mechanical properties of polypropylene[J]. Eur. Phys. J. E, 2001, 4(4): 459-465. doi: 10.1007/s101890170101
-
[10]
Meille S. V., Bruckner S., Porzio W.. γ-Isotactic polypropylene[J]. A structure with nonparallel chain axes. Macromolecules, 1990, 23(18): 4114-4121.
-
[11]
de Rosa C., Auriemma F., Paolillo M., Resconi L., Camurati I.. Crystallization behavior and mechanical properties of regiodefective, highly stereoregular isotactic polypropylene:effect of regiodefects versus stereodefects and influence of the molecular mass[J]. Macromolecules, 2005, 38(22): 9143-9154. doi: 10.1021/ma051004x
-
[12]
De Rosa C., Auriemma F., Ruiz de Ballesteros O., Resconi L., Camurati I.. Tailoring the physical properties of isotactic polypropylene through incorporation of comonomers and the precise control of stereo-and regioregularity by metallocene catalysts[J]. Chem. Mater., 2007, 19(21): 5122-5130. doi: 10.1021/cm071502f
-
[13]
Polt G., Spieckermann F., Wilhelm H., Kerber M., Schafler E., Bernstorff S., Zehetbauer M.. The role of dislocations in γ-iPP under plastic deformation investigated by X-ray line profile analysis[J]. Mech. Mater, 2013, 67: 126-132. doi: 10.1016/j.mechmat.2013.05.010
-
[14]
Meille S. V., Ferro D. R., Brückner S., Lovinger A. J., Padden F. J.. Structure of beta.-isotactic polypropylene:a long-standing structural puzzle[J]. Macromolecules, 1994, 27(9): 2615-2622. doi: 10.1021/ma00087a034
-
[15]
Asano T., Fujiwara Y., Yoshida T.. Plastic deformation of oriented lamellae. Ⅱ. Hot rolling of β-phase isotactic polypropylene[J]. Polym. J., 1979, 11(5): 383-390. doi: 10.1295/polymj.11.383
-
[16]
Somani R. H., Hsiao B. S., Nogales A., Srinivas S., Tsou A. H., Sics I., Balta-Calleja F. J., Ezquerra T. A.. Structure development during shear flow-induced crystallization of i-PP:in situ small-angle X-ray scattering study[J]. Macromolecules, 2000, 33(25): 9385-9394. doi: 10.1021/ma001124z
-
[17]
Luo B., Li H., Zhou C., Zhang W., Li J., He X., Jiang S.. Mechanistic insights into the shear-induced β-form crystal formation of iPP[J]. Macromol. Chem. Phys., 2016, 217(12): 1354-1360. doi: 10.1002/macp.v217.12
-
[18]
Sun X., Li H., Lieberwirth I., Yan S.. α and β interfacial structures of the iPP/PET matrix/fiber systems[J]. Macromolecules, 2007, 40(23): 8244-8249. doi: 10.1021/ma071382x
-
[19]
Chen Y. H., Mao Y. M., Li Z. M., Hsiao B. S.. Competitive growth of α-and β-crystals in β-nucleated isotactic polypropylene under shear flow[J]. Macromolecules, 2010, 43(16): 6760-6771. doi: 10.1021/ma101006e
-
[20]
Su R., Zhang Z., Gao X., Ge Y., Wang K., Fu Q.. Polypropylene injection molded part with novel macroscopic bamboo-like bionic structure[J]. J. Phys. Chem. B, 2010, 114(31): 9994-10001. doi: 10.1021/jp1020802
-
[21]
Liu X., Dai K., Hao X., Zheng G., Liu C., Schubert D. W., Shen C.. Crystalline structure of injection molded β-isotactic Polypropylene:analysis of the oriented shear zone[J]. Ind. Eng. Chem. Res., 2013, 52(34): 11996-12002. doi: 10.1021/ie401162c
-
[22]
Li H., Yan S.. Surface-induced polymer crystallization and the resultant structures and morphologies[J]. Macromolecules, 2011, 44(3): 417-428. doi: 10.1021/ma1023457
-
[23]
Qin Y., Xu Y., Zhang L., Zheng G., Yan X., Dai K., Liu C., Shen C., Guo Z.. Interfacial interaction enhancement by shear-induced β-cylindrite in isotactic polypropylene/glass fiber composites[J]. Polymer, 2016, 100: 111-118. doi: 10.1016/j.polymer.2016.08.016
-
[24]
Li H., Jiang S., Wang J., Wang D., Yan S.. Optical microscopic study on the morphologies of isotactic polypropylene induced by its homogeneity fibers[J]. Macromolecules, 2003, 36(8): 2802-2807. doi: 10.1021/ma034062w
-
[25]
Sun X., Li H., Zhang X., Wang J., Wang D., Yan S.. Effect of fiber molecular weight on the interfacial morphology of iPP fiber/matrix single polymer composites[J]. Macromolecules, 2006, 39(3): 1087-1092. doi: 10.1021/ma0521102
-
[26]
Sun X., Li H., Wang J., Yan S.. Shear-induced interfacial structure of isotactic polypropylene (iPP) in iPP/fiber composites[J]. Macromolecules, 2006, 39(25): 8720-8726. doi: 10.1021/ma062105d
-
[27]
Alamo R. G., Kim M. H., Galante M. J., Isasi J. R., Mandelkern L.. Structural and kinetic factors governing the formation of the γ polymorph of isotactic polypropylene[J]. Macromolecules, 1999, 32(12): 4050-4064. doi: 10.1021/ma981849r
-
[28]
Addink E., Beintema J.. Polymorphism of crystalline polypropylene[J]. Polymer, 1961, 2: 185-193. doi: 10.1016/0032-3861(61)90021-0
-
[29]
Meille S. V., Phillips P. J., Mezghani K., Brückner S.. α-γ disorder in isotactic polypropylene crystallized under high pressure[J]. Macromolecules, 1996, 29(2): 795-797. doi: 10.1021/ma951168l
-
[30]
Mezghani K., Phillips P. J.. The γ-phase of high molecular weight isotactic polypropylene:Ⅲ. The equilibrium melting point and the phase diagram[J]. Polymer, 1998, 39(16): 3735-3744.
-
[31]
van Erp T. B., Balzano L., Peters G. W.. Oriented gamma phase in isotactic polypropylene homopolymer[J]. ACS Macro Lett., 2012, 1(5): 618-622. doi: 10.1021/mz3000978
-
[32]
van Erp T. B., Balzano L., Spoelstra A. B., Govaert L. E., Peters G. W.. Quantification of non-isothermal, multi-phase crystallization of isotactic polypropylene:The influence of shear and pressure[J]. Polymer, 2012, 53(25): 5896-5908. doi: 10.1016/j.polymer.2012.10.027
-
[33]
Yang S. G., Zhang Z., Zhang L. Q., Zhou D., Wang Y., Lei J., Li L., Li Z. M.. Unexpected shear dependence of pressure-induced γ-crystals in isotactic polypropylene[J]. Polym. Chem., 2015, 6(25): 4588-4596. doi: 10.1039/C5PY00339C
-
[34]
An Y., Gu L., Wang Y., Li Y. M., Yang W., Xie B. H., Yang M. B.. Morphologies of injection molded isotactic polypropylene/ultra high molecular weight polyethylene blends[J]. Mater. Design, 2012, 35: 633-639. doi: 10.1016/j.matdes.2011.10.017
-
[35]
Liu X., Pan Y., Peng C., Hao X., Zheng G., Schubert D. W., Liu C., Shen C.. Twisted lamellae in water-assisted injection molded high density polyethylene[J]. Mater. Lett., 2016, 172: 19-22. doi: 10.1016/j.matlet.2016.02.127
-
[36]
Kalay G., Bevis M. J.. Processing and physical property relationships in injection-molded isotactic polypropylene. 1. Mechanical properties[J]. J. Polym. Sci., Part B:Polym. Phys., 1997, 35(2): 241-263. doi: 10.1002/(ISSN)1099-0488
-
[37]
Chen Y. H., Zhong G. J., Wang Y., Li Z. M., Li L.. Unusual tuning of mechanical properties of isotactic polypropylene using counteraction of shear flow and β-nucleating agent on β-form nucleation[J]. Macromolecules, 2009, 42(12): 4343-4348. doi: 10.1021/ma900411f
-
[38]
Zhou M., Li X. P., Jin M., Xia C., Shen K. Z., Zhang J.. Simultaneously improving the tensile and impact properties of isotactic polypropylene with the cooperation of co-PP and β-nucleating agent through pressure vibration injection molding[J]. Chinese J. Polym. Sci., 2016, 34(8): 1001-1013. doi: 10.1007/s10118-016-1814-4
-
[39]
Chen Y. H., Huang Z. Y., Li Z. M., Tang J. H., Hsiao B. S.. Simultaneous improvement of strength and toughness in fiber reinforced isotactic polypropylene composites by shear flow and a β-nucleating agent[J]. RSC Adv., 2014, 4(28): 14766-14776. doi: 10.1039/C3RA47990K
-
[40]
Mi D., La R., Wang T., Zhang X., Zhang J.. Hierarchic structure and mechanical property of glass fiber reinforced isotactic polypropylene composites molded by multiflow vibration injection molding, Polym[J]. Compos., 2017, 38(12): 2707-2717.
-
[41]
Mi D., Xia C., Jin M., Wang F., Shen K., Zhang J.. Quantification of the effect of shish-kebab structure on the mechanical properties of polypropylene samples by controlling shear layer thickness[J]. Macromolecules, 2016, 49(12): 4571-4578. doi: 10.1021/acs.macromol.6b00822
-
[42]
Turner-Jones A., Cobbold A.. The β crystalline form of isotactic polypropylene[J]. J. Polym. Sci., Part B:Polym. Lett., 1968, 6(8): 539-546. doi: 10.1002/pol.1968.110060802
-
[43]
Mezghani K., Phillips P. J.. γ-Phase in propylene copolymers at atmospheric pressure[J]. Polymer, 1995, 36(12): 2407-2411. doi: 10.1016/0032-3861(95)97341-C
-
[44]
Somani R. H., Yang L., Hsiao B. S., Sun T., Pogodina N. V., Lustiger A.. Shear-induced molecular orientation and crystallization in isotactic polypropylene:Effects of the deformation rate and strain[J]. Macromolecules, 2005, 38(4): 1244-1255. doi: 10.1021/ma048285d
-
[45]
Heeley E. L., Hughes D. J., Crabb E. M., Bowen J., Bikondoa O., Mayoral B., Leung S., McNally T.. The formation of a nanohybrid shish-kebab (NHSK) structure in melt-processed composites of poly(ethylene terephthalate) (PET) and multi-walled carbon nanotubes (MWCNTs)[J]. Polymer, 2017, 117: 208-219. doi: 10.1016/j.polymer.2017.04.033
-
[46]
Liu K., Zhang J., Liu H., Qian X., Zhang Y., Wang T., Shen K.. A multi-layer bioinspired design with evolution of shish-kebab structures induced by controlled periodical shear field[J]. Express Polym. Lett., 2013, 7(4): 355-364.
-
[47]
Balzano L., Ma Z., Cavallo D., van Erp T. B., Fernandez-Ballester L., Peters G. W.. Molecular aspects of the formation of shish-kebab in isotactic polypropylene[J]. Macromolecules, 2016, 49(10): 3799-3809. doi: 10.1021/acs.macromol.6b00428
-
[48]
Schrauwen B., von Breemen L., Spoelstra A., Govaert L., Peters G., Meijer H.. Structure, deformation, and failure of flow-oriented semicrystalline polymers[J]. Macromolecules, 2004, 37(23): 8618-8633. doi: 10.1021/ma048884k
-
[49]
Tian Y., Zhu C., Gong J., Yang S., Ma J., Xu J.. Lamellae break induced formation of shish-kebab during hot stretching of ultra-high molecular weight polyethylene precursor fibers investigated by in situ small angle X-ray scattering[J]. Polymer, 2014, 55(16): 4299-4306. doi: 10.1016/j.polymer.2014.06.056
-
[50]
Lotz B., Graff S., Straupe C., Wittmann J.. Single crystals of γ phase isotactic polypropylene:combined diffraction and morphological support for a structure with non-parallel chains[J]. Polymer, 1991, 32(16): 2902-2910. doi: 10.1016/0032-3861(91)90185-L
-
[51]
de Rosa C., Auriemma F., De Ballesteros O. R., Resconi L., Camurati I.. Crystallization behavior of isotactic propyleneethylene and propylene-butene copolymers:effect of comonomers versus stereodefects on crystallization properties of isotactic polypropylene[J]. Macromolecules, 2007, 40(18): 6600-6616. doi: 10.1021/ma070409+
-
[52]
Auriemma F., De Rosa C.. Crystallization of metallocene-made isotactic polypropylene:disordered modifications intermediate between the α and γ forms[J]. Macromolecules, 2002, 35(24): 9057-9068. doi: 10.1021/ma020648r
-
[53]
de Rosa C., Auriemma F., Spera C., Talarico G., Tarallo O.. Comparison between polymorphic behaviors of Ziegler-Natta and metallocene-made isotactic polypropylene:the role of the distribution of defects in the polymer chains[J]. Macromolecules, 2004, 37(4): 1441-1454. doi: 10.1021/ma035295q
-
[54]
de Rosa C., Auriemma F., Di Capua A., Resconi L., Guidotti S., Camurati I., Nifant'ev I. E., Laishevtsev I. P.. Structureproperty correlations in polypropylene from metallocene catalysts:stereodefective, regioregular isotactic polypropylene[J]. J. Am. Chem. Soc., 2004, 126(51): 17040-17049. doi: 10.1021/ja045684f
-
[55]
Brückner S., Phillips P. J., Mezghani K., Meille S. V.. On the crystallization of γ-isotactic polypropylene:a high pressure study[J]. Macromol. Rapid Commun., 1997, 18(1): 1-7. doi: 10.1002/marc.1997.030180101
-
[56]
Liu Z., Liu X., Zheng G., Dai K., Liu C., Shen C., Yin R., Guo Z.. Mechanical enhancement of melt-stretched β-nucleated isotactic polypropylene:The role of lamellar branching of β-crystal[J]. Polym. Test., 2017, 58: 227-235. doi: 10.1016/j.polymertesting.2017.01.002
-
[1]
-
扫一扫看文章
计量
- PDF下载量: 0
- 文章访问数: 2045
- HTML全文浏览量: 36

下载: