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Structure of polyamide 6/poly(ethylene terephthalate) blends under high cooling rate and shear stress and their moisture-sensitive properties
Ma, GQ; Yang, H; Li, L; Sun, ZB; Miao, XR; Bian, FG; Xu, JZ; Zhong, GJ; Gao, XQ; Li, ZM
2020
Source PublicationPOLYMER
ISSN0032-3861
Volume203Pages:-
Subtype期刊论文
AbstractPolyamide 6 (PA6) with low moisture-sensitivity is realized by blending with poly(ethylene terephthalate) (PET), the crystal structure and morphology formed under high cooling rate and shear stress are also investigated. A pronounced reduction in the maximum water content from 9.7 to 5.6 wt% accompanying the variation of the diffusion coefficient from 1.2 x 10(-6) to 5.2 x 10(-7) mm(2)/s with the increasing of PET content is achieved. The dielectric constant decreases from 12.3 to 6.2 (@10(3) Hz) and the dielectric loss decreases from 0.25 to 0.13 (@10(3) Hz) with the increasing of PET content. The structural characterization confirms that the hydrogen-bonding interactions between PA6 and PET play a major role in the reduction of moisture-sensitivity of PA6 as well as that the evolution of the polymorphism of PA6 that the high shear stress facilitates the formation of alpha-form while the high cooling rate promotes the generation of gamma-form.
KeywordWATER-ABSORPTION CRYSTALLINE MORPHOLOGY TERNARY NANOCOMPOSITES MECHANICAL-PROPERTIES DENSITY POLYETHYLENE AMORPHOUS PHASE NYLON-6 POLY(ETHYLENE-TEREPHTHALATE) SORPTION BEHAVIOR
DOI10.1016/j.polymer.2020.122817
Indexed BySCI ; EI
Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/33160
Collection中科院上海应用物理研究所2011-2020年
Affiliation1.Sichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China
2.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai Synchrotron Radiat Facil, Shanghai 201204, Peoples R China
Recommended Citation
GB/T 7714
Ma, GQ,Yang, H,Li, L,et al. Structure of polyamide 6/poly(ethylene terephthalate) blends under high cooling rate and shear stress and their moisture-sensitive properties[J]. POLYMER,2020,203:-.
APA Ma, GQ.,Yang, H.,Li, L.,Sun, ZB.,Miao, XR.,...&Li, ZM.(2020).Structure of polyamide 6/poly(ethylene terephthalate) blends under high cooling rate and shear stress and their moisture-sensitive properties.POLYMER,203,-.
MLA Ma, GQ,et al."Structure of polyamide 6/poly(ethylene terephthalate) blends under high cooling rate and shear stress and their moisture-sensitive properties".POLYMER 203(2020):-.
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