scholarly journals Mechano-morphological studies of polyamide 6 based single polymer laminate composites prepared by different reactive processing techniques

2019 ◽  
Vol 79 ◽  
pp. 106017
Author(s):  
Shafagh Dinparast Tohidi ◽  
Zlatan Z. Denchev ◽  
Ana Maria Rocha ◽  
Nadya V. Dencheva ◽  
Bernhard Engesser ◽  
...  
Keyword(s):  
Polyamide 6 ◽  
Reactive Processing ◽  
Laminate Composites ◽  
Morphological Studies ◽  
Processing Techniques

scholarly journals Comparative Structural and Mechanical Studies on Polyamide 6 Knitted-Reinforced Single Polymer Composites Prepared by Different Reactive Processing Techniques

2018 ◽  
Vol 40 (S1) ◽  
pp. E886-E897 ◽  
Author(s):  
Shafagh. D. Tohidi ◽  
Ana Maria Rocha ◽  
Nadya V. Dencheva ◽  
António Sérgio Pouzada ◽  
Zlatan Denchev
Keyword(s):  
Polymer Composites ◽  
Polyamide 6 ◽  
Reactive Processing ◽  
Processing Techniques ◽  
Mechanical Studies

The non-isothermal crystallization behavior of polyamide 6 and polyamide 6/HDPE/MAH/L-101 composites

2019 ◽  
Vol 39 (2) ◽  
pp. 124-133 ◽  
Author(s):  
Bingxiao Liu ◽  
Guosheng Hu ◽  
Jingting Zhang ◽  
Zhongqiang Wang
Keyword(s):  
Crystallization Kinetics ◽  
Isothermal Crystallization ◽  
Crystallization Behavior ◽  
Isothermal Condition ◽  
Crystallization Rate ◽  
Polyamide 6 ◽  
X Ray Diffraction ◽  
Scanning Calorimetry ◽  
Analysis And Design ◽  
Processing Techniques

AbstractStudy of the crystallization kinetics is particularly necessary for the analysis and design of processing operations, especially the non-isothermal crystallization behavior, which is due to the fact that most practical processing techniques are carried out under non-isothermal conditions. The non-isothermal crystallization behaviors of polyamide 6 (PA6) and PA6/high-density polyethylene/maleic anhydride/2,5-dimethyl-2,5-di(tert-butylperoxy)hexane (PA6/HDPE/MAH/L-101) composites were investigated by differential scanning calorimetry (DSC). The crystallization kinetics under non-isothermal condition was analyzed by the Jeziorny and Mo equations, and the activation energy was determined by the Kissinger and Takhor methods. The crystal structure and morphology were analyzed by wide-angle X-ray diffraction (WXRD) and polarized optical microscopy (POM). The results indicate that PA6/HDPE/MAH/L-101 has higher crystallization temperature and crystallization rate, which is explained as due to its heterogeneous nuclei.

Investigation on the reactive processing of textile-ramie fiber reinforced anionic polyamide-6 composites

2015 ◽  
Vol 110 ◽  
pp. 188-195 ◽  
Author(s):  
Ze Kan ◽  
Ming-bo Yang ◽  
Wei Yang ◽  
Zheng-ying Liu ◽  
Bang-hu Xie
Keyword(s):  
Polyamide 6 ◽  
Ramie Fiber ◽  
Fiber Reinforced ◽  
Reactive Processing

Reactive processing of anionic polyamide-6 for application in fiber composites: A comparitive study with melt processed polyamides and nanocomposites

2006 ◽  
Vol 25 (7) ◽  
pp. 873-887 ◽  
Author(s):  
K. van Rijswijk ◽  
S. Lindstedt ◽  
D.P.N. Vlasveld ◽  
H.E.N. Bersee ◽  
A. Beukers
Keyword(s):  
Polyamide 6 ◽  
Fiber Composites ◽  
Reactive Processing

Crosslinking of Polyamide 6 by Reactive Processing

2015 ◽  
Vol 815 ◽  
pp. 576-582 ◽  
Author(s):  
Tao Yu ◽  
Jian Sheng Chen ◽  
Fu Mei Wu ◽  
Jens Rocks
Keyword(s):  
Polyamide 6 ◽  
Mechanical Tests ◽  
Gravimetric Analysis ◽  
Thermal Gravimetric ◽  
Reactive Processing ◽  
Reactive Blending ◽  
Scanning Calorimetry ◽  
Engineering Plastics ◽  
Chemical Coupling ◽  
Positive Effect

In order to check the feasibility of crosslinking engineering plastics through chemical coupling, reactive blending of polyamide 6 (PA6) was performed with various amounts of a multi-functional epoxide named as Joncryl ADR®4370s. The formation of cross-linked structure in ADR modified PA6 was clearly verified by utilizing dynamic rheological technique. The thermal properties of modified PA6 were compared with that of pristine nylon by combination of differential scanning calorimetry (DSC) and thermal gravimetric analysis (TGA). Mechanical tests were also carried out and the results showed that ADR had a positive effect on improving tensile properties of polyamide.

scholarly journals Preparation and Properties of Novel In Situ Composite Materials Based on Polyethylene-Polyamide Oriented Blends

2008 ◽  
Vol 587-588 ◽  
pp. 515-519 ◽  
Author(s):  
Nadya Dencheva ◽  
Maria Jovita Oliveira ◽  
Olga S. Carneiro ◽  
Teresa G. Nunes ◽  
Zlatan Z. Denchev
Keyword(s):  
Cold Drawing ◽  
Structural Data ◽  
Polyamide 6 ◽  
Polymer Processing ◽  
Mechanical Tests ◽  
X Ray Scattering ◽  
Nanostructured Polymer ◽  
The Matrix ◽  
Processing Techniques ◽  
Microscopy Techniques

The objective of this study is to manufacture and investigate novel nanostructured polymer composites (NPC) based on oriented blends of high-density polyethylene (HDPE) and polyamide 6 (PA6). Conventional polymer processing techniques are used for this purpose including extrusion blending, cold drawing and compression molding. Thus, various polymer blends are prepared comprising 10 and 20 wt% of PA6 and 0-10 wt% of a copolymeric compatibilizer. These blends are cold-drawn to high draw ratios and the oriented strands so produced are further compression molded at various temperatures between the melting points of HDPE and PA6. All NPC obtained are characterized by microscopy techniques, solid state NMR, mechanical tests and wide- and small-angle X-ray scattering from synchrotron. The mechanical and structural data of NPCs are discussed with relation with the polyamide fibrils’ orientation, as well as with the effect of compatibilizer at the matrix-fibrils interface.

Reactive processing of textile-natural fiber reinforced anionic polyamide-6 composites

2015 ◽  
Author(s):  
Ze Kan ◽  
Peng Chen ◽  
Zhengying Liu ◽  
Jianmin Feng ◽  
Mingbo Yang
Keyword(s):  
Natural Fiber ◽  
Polyamide 6 ◽  
Fiber Reinforced ◽  
Reactive Processing
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