Melting and crystallization behavior of PA1010/TPU blends

Zhang, Shuling; Wang, Guibin; Jiang, Zhenhua; Wu, Weichun; Ma, Rujiang; Wang, Zhongwen

doi:10.1002/app.20605

Cited by 16 publications

(8 citation statements)

References 4 publications

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“…Thus, TPU could act as a nucleating agent through its HS parts. When TPU was blended with DAPA it was observed that the crystallization takes place at a higher temperature as reported in the literature for different blends, such as TPU/PA1010 or TPU/aliphatic polyester …”

Section: Resultssupporting

confidence: 64%

Renewable thermoplastic multiphase systems from dimer fatty acids, with mineral microfillers

Reulier

Boumbimba²,

Rasselet

et al. 2015

J of Applied Polymer Sci

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Renewable thermoplastic blends based on polyurethane (TPU) and polyamide (DAPA) obtained from dimers of fatty acids were reinforced with mineral microfillers, surface coated calcium carbonate (CaCO 3 ) or high aspect ratio talc (HAR), to prepare different micro-biocomposites systems. The influence of the nature of the filler, the aspect ratio and the filler content (5, 10, and 15 wt %), for different TPU/DAPA ratios (20/80, 50/50, and 80/20 wt %/wt %), were specifically investigated. Differential scanning calorimetry (DSC) and thermogravimetric analyses were conducted to investigate the thermal properties. DSC analyses showed that the addition of CaCO 3 had no influence on the glass transition and the melting temperature of the corresponding composites. Moreover, the morphology and the mechanical properties in the solid state of the different multiphase systems were investigated. SEM observations after tensile tests showed that the best matrix/filler interactions were obtained in the case of the 20/80-based systems. Uniaxial tensile tests have shown that the addition of HAR or CaCO 3 fillers led to a clear increase of the Young modulus. Micromechanical models based on a two-phase composite approach, including Mori-Tanaka and Davies models were used to describe the dependence of the elastic modulus on the volume fraction of HAR or CaCO 3 fillers.

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Section: Resultssupporting

confidence: 64%

Renewable thermoplastic multiphase systems from dimer fatty acids, with mineral microfillers

Reulier

Boumbimba²,

Rasselet

et al. 2015

J of Applied Polymer Sci

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“…Besides that, α‐Al 2 O 3 , carbon tube were adopted to prepare the TPU nanocomposites. Meanwhile, various polymers, including poly(styrene‐co‐acrylonitrile) (SAN) , polyoxymethylene (POM) , polylactic acid (PLA) , polyamide , and ethylene–propylene–diene monomer (EPDM) , have been blended with TPU to get materials with better mechanical properties.…”

Section: Introductionmentioning

confidence: 99%

Preparation and properties of thermoplastic polyurethane/ultra high molecular weight polyethylene blends

Wang

2014

Polym. Compos.

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The blends of thermoplastic polyurethane and ultra high molecular weight polyethylene (UHMWPE) were prepared by a co‐twin screw extruder. Phase separation morphology of the blends was confirmed by the SEM observations. The incorporation of UHMWPE is detrimental to the mechanical properties of the blends prepared from stiffer TPU, whereas is beneficial to that of TPU with low hardness. The tribological behaviors of neat TPU and its blends were studied by the means of a block‐on‐ring apparatus. It was found that UHMWPE could greatly improve the tribological properties of TPU matrix both under dry sliding and water lubricating conditions due to the excellent self‐lubricating property of the UHMWPE materials and furthermore improve the wear failure limit of TPU. POLYM. COMPOS., 36:897–906, 2015. © 2014 Society of Plastics Engineers

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“…ZHANG et al [26] reported that TPU may accelerate or inhibit the crystallization of polyamide PA1010. In the case of the PA1010/TPU (98/2) blend, a small amount of TPU, as a nucleation agent, may be favorable for the formation of nucleus, resulting in PA1010 with a higher T c .…”

Section: Peel Strength Testmentioning

confidence: 99%

Bonding properties and crystallization kinetics of thermoplastic polyurethane adhesive

et al. 2018

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The advantages of heterophasic thermoplastic polyurethanes (TPUs), such as their phase behavior and mechanical properties, make these materials an important class of adhesives. Whereas the amorphous phase contributes to good adhesion properties, the crystalline phase is responsible for the cohesive force of TPU adhesives. This work investigates the performance of a polyester based TPU and its potential for being applied as adhesive in the shoe industry. The TPU was formulated with three different additives. The crystallization kinetics of the TPU was evaluated by Differential Scanning Calorimetry and the Avrami equation was used to assess the influence of the additives on the geometry of crystal growth and nucleation conditions. It was found that the additives had no effect on the nucleation process, whereas the polymer chains had reduced mobility, mainly in the TPU comprising polyisocyanate ε-caprolactam. The best T-peel strength on a poly(vinyl chloride) (PVC) substrate was determined for the TPU with polycarbodiimide, which improved the adhesive bonding from 3.23 N/mm to 3.32 N/mm.

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Melting and crystallization behavior of PA1010/TPU blends

Cited by 16 publications

References 4 publications

Renewable thermoplastic multiphase systems from dimer fatty acids, with mineral microfillers

Renewable thermoplastic multiphase systems from dimer fatty acids, with mineral microfillers

Preparation and properties of thermoplastic polyurethane/ultra high molecular weight polyethylene blends

Bonding properties and crystallization kinetics of thermoplastic polyurethane adhesive

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