The concept of one polymer composites modelled with high density polyethylene

Capiati, Numa J.; Porter, Roger S.

doi:10.1007/bf00554928

Cited by 309 publications

(181 citation statements)

References 8 publications

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“…The interface strength between the fibre and polymer, however, is a traditional problem. An elegant solution was proposed by Capiati and Porter [1], who invented the first self-reinforced composite, also referred to as single polymer composites or all-polymer composites. The reinforcing phase, which is an oriented polymer fibre or tape, is combined with an unoriented matrix phase from the same polymer.…”

Section: Introductionmentioning

confidence: 99%

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The influence of process parameters on the properties of hot compacted self-reinforced polypropylene composites

Swolfs

Zhang

Baets

et al. 2014

Composites Part A: Applied Science and Manufacturing

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Hot compacted self-reinforced polypropylene composites have good tensile properties and excellent impact resistance, but they have a limited processing window. Therefore, the influence of compaction temperature, dwell time and the application of interleaved films on the tensile and impact properties was assessed. Increased compaction temperature allows more molecular relaxation, thereby melting more matrix and creating a stronger interlayer bonding. This results in reduced 0° tensile properties and penetration impact resistance, while the 45° tensile properties and non-penetration impact resistance are maintained or improved. The dwell time only has minor influences on tensile and impact properties, while interleaved films have a similar influence as increased compaction temperature. These films increase the interlayer bonding, which increases the tensile strength and non-penetration impact resistance, but reduces penetration impact resistance. This paper demonstrates a wide property range depending on the processing parameters, helping in future tailoring of self-reinforced composites to specific applications.

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Section: Introductionmentioning

confidence: 99%

“…Capiati and Porter's initial process [1] stacked films of low molecular weight PE in between the layers of high molecular weight PE fibres. The difference in melting point and orientation of both PE grades was exploited to create the first self-reinforced composites.…”

Section: Introductionmentioning

confidence: 99%

The influence of process parameters on the properties of hot compacted self-reinforced polypropylene composites

Swolfs

Zhang

Baets

et al. 2014

Composites Part A: Applied Science and Manufacturing

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show abstract

“…The concept of self--reinforced composites was first developed by Capiati and Porter [3] who demonstrated that the orientation of aligned chains within the same polymer significantly improved their initial mechanical and fracture failure properties. In this process, fibres derived from the same polymer were heated above the glass transition (T g ) temperature but below their melting temperature (T m ) and compressed to produce composite plates using high pressure where the ultimate mechanical properties of the prepared composites depend on the molecular weight of the polymer and the fraction of aligned chains within the self--reinforced composites [4,5].…”

Section: Introductionmentioning

confidence: 99%

The effect of cellulose nanowhiskers on the flexural properties of self-reinforced polylactic acid composites

Hossain

Felfel

Rudd

et al. 2014

Reactive and Functional Polymers

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Abstract:Self--reinforced polylactic acid (SR PLA) composites incorporating cellulose nanowhiskers (CNWs) were produced by coating orientated PLA fibres with a polyvinyl acetate (PVAc)--CNW mixture as a binder prior to hot compaction at 95 o C. PLA fibres were produced with an average diameter of 11 (± 0.9) µm via a melt--drawing process at 180 o C. Scanning electron microscopy (SEM) images revealed that the CNWs imparted roughness to the PLA fibre surface. Cross--sectional examination of the SR PLA composites after hot--pressing confirmed that the PLA fibres had maintained their morphology.Incorporation of 8 wt% CNWs within the SR--PLA composites revealed an increase in their flexural strength (48%) and modulus (39%) compared to the control composite (flexural strength~82 MPa and modulus~3.9 GPa). In addition, whilst the control SR--PLA composite revealed quite brittle characteristics, the addition of CNWs and PVAc gave the self--reinforced composite a more ductile behaviour.

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“…The creation of single polymer composites (SPCs) seems to be an alternative in this respect because they do not contain mineral fillers and are characterized by improved adhesion quality between the matrix and the reinforcement. Formulated for the first time by Capiati and Porter [1], this type of material was further developed by Ward and his group [2][3][4][5][6][7][8] including patenting and commercialization of the 'hot compaction' technique [2]. This method used an assembly of highly oriented polymer fibers or tapes subjected to heating to a critical temperature, while being held together under pressure such that a thin volume of material on the surface of each oriented element is 'selectively melted' creating a matrix [9].…”

Section: Introductionmentioning

confidence: 99%

Polyamide 6 single polymer composites

Bhattacharyya¹,

Maitrot²,

Fakirov³

2009

Express Polym. Lett.

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Abstract. Combining the two basic techniques used for the preparation of single polymer composites (SPCs), hot compaction and film stacking, a polyamide 6 (PA 6) single polymer composite was manufactured. The starting materials were PA 6 high tenacity yarn (reinforcement) and PA 6 film prepared via melt quenching (matrix), both expected to be the two principal polymorphic modifications of PA 6 and thus differing in their melting temperatures. The prepared single polymer composite is characterized by a layered structure and shows superior mechanical properties due to the good wetting -tensile modulus is improved by 200% and the ultimate tensile strength -by 300-400% as compared to the isotropic matrix film. Improvement of the interfacial adhesion via transreactions promoted by Sb2O3 as a catalyst was also undertaken.

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The concept of one polymer composites modelled with high density polyethylene

Cited by 309 publications

References 8 publications

The influence of process parameters on the properties of hot compacted self-reinforced polypropylene composites

The influence of process parameters on the properties of hot compacted self-reinforced polypropylene composites

The effect of cellulose nanowhiskers on the flexural properties of self-reinforced polylactic acid composites

Polyamide 6 single polymer composites

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