High‐density polyethylene/natural rubber blends filled with thermoplastic tapioca starch: Physical and isothermal crystallization kinetics study

Kahar, A. W. M.; Ismail, Hanafi

doi:10.1002/vnl.21422

Cited by 32 publications

(12 citation statements)

References 23 publications

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“…The significantly increased X c of PBAT biocomposites suggests that TPS can act as nucleating agent and can accelerate the crystallization rate of PBAT in all biocomposites. Such nucleating effect of TPS on PBAT is similar to that of polylactic acid (PLA), LLDPE, high density polyethylene, PCL, and poly(1,4‐dioxan‐2‐one) (PPDO)…”

Section: Resultsmentioning

confidence: 69%

Strong and ductile poly(butylene adipate‐co‐terephthalate) biocomposites fabricated by oscillation shear injection molding

Chen

et al. 2015

J of Applied Polymer Sci

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Poor interfacial properties and uncontrollable phase morphology encountered during the fabrication of poly(butylene adipate-co-terephthalate) (PBAT)/thermal plastic starch (TPS) biocomposites, result unfortunately in low mechanical performances and thus limit its applications. Here an approach in terms of phase morphology controlling, i.e., extrusion compounding followed by oscillation shear injection molding (OSIM), is proposed to construct in situ TPS fiber and skin-core structure consisting of TPS fiber and droplet in skin layer, and spherical TPS in core layer, which tremendously benefits the mechanical properties. Specifically, the tensile strength, modulus and ductility for the biocomposites with various loadings of TPS, even when TPS loading as high as 55 wt %, outperform pure PBAT sample fabricated by conventional injection molding (CIM) with the increment of 51%, 308% in strength and modulus, respectively. Meanwhile, the elongation at breakage can maintain at 196%. The unprecedented establishment of highperformance PBAT/TPS biocomposites is in great need for potential applications, such as green packaging. V C 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2016, 133, 43312.

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Section: Resultsmentioning

confidence: 69%

Strong and ductile poly(butylene adipate‐co‐terephthalate) biocomposites fabricated by oscillation shear injection molding

Chen

et al. 2015

J of Applied Polymer Sci

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“…These new peaks show the formation of carboxyl and ester carbonyl bands for both treatments. The presence of a carbonyl peak in AA and SA confirmed that chemical linkages between ascorbic acid and acid anhydride and starch existed [ 31 ].…”

Section: Resultsmentioning

confidence: 99%

Effect of Sago Starch Modifications on Polystyrene/Thermoplastic Starch Blends

et al. 2021

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The preparation of polystyrene/thermoplastic starch (PS/TPS) blends was divided into three stages. The first stage involved the preparation of TPS from sago starch. Then, for the second stage, PS was blended with TPS to produce a TPS/PS blend. The ratios of the TPS/PS blend were 20:80, 40:60, 60:40, and 80:20. The final stage was a modification of the composition of TPS/PS blends with succinic anhydride and ascorbic acid treatment. Both untreated and treated blends were characterized by their physical, thermal, and surface morphology properties. The obtained results indicate that modified blends have better tensile strength as the adhesion between TPS and PS was improved. This can be observed from SEM micrographs, as modified blends with succinic anhydride and ascorbic acid had smaller TPS dispersion in PS/TPS blends. The micrograph showed that there was no agglomeration and void formation in the TPS/PS blending process. Furthermore, modified blends show better thermal stability, as proved by thermogravimetric analysis. Water uptake into the TPS/PS blends also decreased after the modifications, and the structural analysis showed the formation of a new peak after the modification process.

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“…This suggests that all the six fillers studied acted as reinforcing fillers to increase the tensile strength of NR/HDPE blends and it may be due to the formation of interactions between filler and the NR/HDPE blend. Amorphous NR is incompatible with semi-crystalline HDPE 21 and hence, the NR dispersed phase in the HDPE matrix should tend to aggregate after mixing. However, it was reported 22 that the particulate fillers can act as solid barriers around the rubber domains preventing them from coalescence and facilitate to retain the well-dispersed rubber domains in the plastic matrix.…”

Section: Resultsmentioning

confidence: 99%

Effect of particulate fillers on natural rubber/high-density polyethylene blends for roofing application

Wickramaarachchi

Walpalage

Egodage

2020

Polymers and Polymer Composites

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Blending of two or more polymers generates a new material, which is more cost-effective than a newly synthesised material. Blending-type thermoplastic elastomer (TPE) is produced by melt-mixing of a thermoplastic with a rubber. These blends have high demands associated with excellent property combinations of the parent materials. Particulate fillers are used in the rubber and plastic industry for property modification and cost reduction. In this work, six particulate fillers, namely, calcium carbonate, barium sulphate (BaSO4), kaolin, talc, Snobrite clay and dolomite were used to develop natural rubber (NR)/high-density polyethylene (HDPE) TPE blends, and the most suitable filler for roofing application was identified. A series of NR/HDPE 20/80 blends were prepared by varying filler loading from 10 phr to 30 phr at 10 phr intervals using a Plasticorder. Mechanical properties, such as tensile strength, hardness, impact strength and tear strength, and gel content of the blends were investigated. The addition of talc, dolomite and kaolin to NR/HDPE blend showed reduced impact strength, which is the most important property for a roofing application. The other three fillers showed improved impact strength at specific loadings. The blend with 30 phr of BaSO4 was identified as the best blend, as per the overall performance.

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High‐density polyethylene/natural rubber blends filled with thermoplastic tapioca starch: Physical and isothermal crystallization kinetics study

Cited by 32 publications

References 23 publications

Strong and ductile poly(butylene adipate‐co‐terephthalate) biocomposites fabricated by oscillation shear injection molding

Strong and ductile poly(butylene adipate‐co‐terephthalate) biocomposites fabricated by oscillation shear injection molding

Effect of Sago Starch Modifications on Polystyrene/Thermoplastic Starch Blends

Effect of particulate fillers on natural rubber/high-density polyethylene blends for roofing application

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