The thermo-oxidative stability and flammability of wood/polypropylene composites

Borysiak, Sławomir

doi:10.1007/s10973-014-4341-y

Cited by 35 publications

(13 citation statements)

References 71 publications

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“…vulgaris particle composites have OIT exceeding 15 min., Table 4 TGA measurement of raw materials (PVC powder and B. vulgaris particle), pure PVC composite using C 1 , and PVC/B. vulgaris particle composite using C 1 and C 2 (Borysiak 2015). It could be suggested the lignin component within bamboo is also related to the improved OIT in PVC/bamboo particle composite in this study.…”

Section: Tga Measurementmentioning

confidence: 63%

Thermal stability of processed PVC/bamboo blends: effect of compounding procedures

2017

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also reduced the T −5% values, assignable to bamboo particle degradation caused by the high processing temperatures. For oxidative induction time (OIT) testing, only granules and CMB from pure PVC composites system showed measurable oxidative times compared with OIT profiles of PVC/B. vulgaris composites system, suggestive of comparatively stabilized thermoplastic composites. This revealed that processing with bamboo particles does not contribute to degradation of PVC composites.

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Section: Tga Measurementmentioning

confidence: 63%

Thermal stability of processed PVC/bamboo blends: effect of compounding procedures

2017

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“…Reports in the literature indicate the possible use of lignocellulosic materials, including pure lignin, as fillers in a wide group of polymers. These include both highly polar (poly(ethylene terephthalate), PET, poly(ethylene oxide), PEO) [6,7] and hydrophobic (polypropylene, PP) [8][9][10] polymer matrices. Studies have also been carried out with polylactide (PLA) [11][12][13][14] and poly(vinyl chloride) [15,16].…”

Section: Introductionmentioning

confidence: 99%

Influence of Processing Conditions on the Thermal Stability and Mechanical Properties of PP/Silica-Lignin Composites

Kłapiszewski

Bula

Sobczak

et al. 2016

International Journal of Polymer Science

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Functional silica-lignin dual fillers were obtained via mechanical grinding of the components (Syloid 244 silica and kraft lignin). Of particular importance here is the fact that lignin is a natural polymer and particularly that it is a waste by-product of paper production, whose recycling is highly desirable. The product underwent comprehensive dispersive-morphological and thermal analysis. SiO2-lignin hybrid fillers were also used in polypropylene-based composites, extruded via corotating a twin screw machine with different screw speeds. The thermogravimetric data obtained for the extrudates confirmed that the application of the lignin into PP produces a significant char residue. Addition of silica to lignin via this new hybrid formulation has a positive effect on the thermal stability of PP/silica-lignin composites, which can be seen even when observing the temperature for the maximum rate of weight reduction. Tensile test results show that the addition of silica by means of dual filler incorporation improves the mechanical parameters in comparison with pure PP and PP/lignin composite.

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“…This shape was different from the curve displayed by pure PP, which burned quickly after ignition. The combustion of PP was characterized by a steep, one‐peak HRR curve …”

Section: Resultsmentioning

confidence: 99%

Fire retardancy of polypropylene composites reinforced with rice husks: From oxygen index measurements and cone calorimetry to large‐scale single‐burning‐item tests

Schirp

Barrio

2018

J of Applied Polymer Sci

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Rice husks containing 12 wt % inorganic silica were incorporated together with halogen-free fire retardants in a polypropylene matrix and extruded into facade profiles. An increase in the amount of rice husks resulted in an increase in the oxygen index. The cone calorimetry measurements showed that all of the fire retardants tested significantly reduced the peak heat-release rate (pHRR) and maximum average rate of heat emission (MARHE) of the formulations and moderately reduced total heat release. The best results in terms of MARHE were achieved for the formulation including 24% melamine-coated ammonium polyphosphate. pHRR and MARHE were reduced with increasing amount of rice husks. Single-burning-item (SBI) tests were performed for the extruded profiles based on rice husks and, for comparison, wood flour. In the best case, a B-s2, d0 classification was obtained. The results obtained from cone calorimetry and SBI tests were in agreement. EXPERIMENTAL MaterialsRice husks (type CAEX, Mifsud, Spain) were provided by Plasticos Escanero S.L. (PESL; Huesca, Spain). The moisture content range ARTICLE WILEYONLINELIBRARY.COM/APP

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The thermo-oxidative stability and flammability of wood/polypropylene composites

Cited by 35 publications

References 71 publications

Thermal stability of processed PVC/bamboo blends: effect of compounding procedures

Thermal stability of processed PVC/bamboo blends: effect of compounding procedures

Influence of Processing Conditions on the Thermal Stability and Mechanical Properties of PP/Silica-Lignin Composites

Fire retardancy of polypropylene composites reinforced with rice husks: From oxygen index measurements and cone calorimetry to large‐scale single‐burning‐item tests

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