Influence of Flame Retardant and Glass Fibre on Non-Isothermal Crystallisation Behaviour of Pa66

The authors studied the influence of melamine polyphosphate flame-retardant (MPP-FR) and glass fibre on the non-isothermal crystallisation behaviour of a polyamide (PA66) by differential scanning calorimetry (DSC). The glass fibre reinforced PA66 (PA66/GF) and its reinforced flame retarded equivalent (PA66/GF/FR) were prepared using a twin-screw extruder. The experimental results demonstrated that the MPP-FR increased the crystallisation rate and decreased the supercooling required for crystallising nucleation. The glass fibres increased the crystallisation rate and the amount of supercooling. Avrami analysis showed that the non-isothermal crystallisation of PA66 and its composites followed the Avrami equation. The activation energy for the transport of macromolecular segments to the growing surface was calculated by using the Kissinger method based upon DSC data, and the calculated activation energies were 243.5 kJ·mol−1, 201.1 kJ·mol−1 and 305.9 kJ·mol−1 for PA66, PA66/GF and PA66/GF/FR, respectively. The activity of nucleation for GF and MPP-FR were 0.87 and 0.79 respectively, calculated by Dobreva's method. The results indicate that the MPP-FR has more effective ability to promote heterogeneous nucleation than GF.

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Nanoclay synergy in flame retarded/glass fibre reinforced polyamide 6

Polymer Degradation and Stability ◽

10.1016/j.polymdegradstab.2009.08.010 ◽

2009 ◽

Vol 94 (12) ◽

pp. 2241-2250 ◽

Cited By ~ 86

Author(s):

Nihat Ali Isitman ◽

Huseyin Ozgur Gunduz ◽

Cevdet Kaynak

Keyword(s):

Glass Fibre ◽

Polyamide 6 ◽

Flame Retarded ◽

Glass Fibre Reinforced

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Flame retardancy and mechanical properties of glass fibre reinforced polyethylene composites filled with novel intumescent flame retardant

Composites Part B Engineering ◽

10.1016/j.compositesb.2019.107555 ◽

2019 ◽

Vol 179 ◽

pp. 107555 ◽

Cited By ~ 2

Author(s):

Junlei Chen ◽

Jihui Wang ◽

Anxin Ding ◽

Aiqing Ni ◽

Hongda Chen

Keyword(s):

Mechanical Properties ◽

Flame Retardant ◽

Flame Retardancy ◽

Glass Fibre ◽

Intumescent Flame Retardant ◽

Glass Fibre Reinforced ◽

Polyethylene Composites

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Influence of natural ageing on the flame retardancy and thermal properties of intumescent flame retardant long glass fibre reinforced polypropylene composites

Polymer Engineering & Science ◽

10.1002/pen.24821 ◽

2018 ◽

Vol 58 (11) ◽

pp. 2098-2105 ◽

Cited By ~ 1

Author(s):

Weidi He ◽

Lingtong Li ◽

Dengfeng Zhou ◽

Xiaolang Chen ◽

Jianbing Guo

Keyword(s):

Thermal Properties ◽

Flame Retardant ◽

Flame Retardancy ◽

Glass Fibre ◽

Intumescent Flame Retardant ◽

Natural Ageing ◽

Polypropylene Composites ◽

Glass Fibre Reinforced

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Rheology, Morphology and Mechanical Property Relationship of Non-Halogen Flame Retarded Glass Fibre Reinforced Polyamide 66

Polymers and Polymer Composites ◽

10.1177/096739111101900711 ◽

2011 ◽

Vol 19 (7) ◽

pp. 603-610 ◽

Cited By ~ 2

Author(s):

Liping Li ◽

Bin Li

Keyword(s):

Mechanical Property ◽

Glass Fibre ◽

Polyamide 66 ◽

Property Relationship ◽

Flame Retarded ◽

Glass Fibre Reinforced ◽

Relationship Of

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Preparation and Properties of PA66/PP/MOS Whisker Composites

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.311-313.20 ◽

2011 ◽

Vol 311-313 ◽

pp. 20-25

Author(s):

Jian Peng ◽

You Ming Cao

Keyword(s):

Flame Retardant ◽

Coupling Agents ◽

Melt Blending ◽

Screw Extruder ◽

Standard Samples ◽

Scanning Calorimetry ◽

Flame Retardant Property ◽

Twin Screw ◽

Magnesium Oxysulfate ◽

Flame Retardant Properties

The composites composed of polyamide66（PA66）, polypropylene（PP）, and magnesium oxysulfate whisker(MOS) were prepared by means of melt blending through co-rotation twin screw extruder. The standard samples were prepared by injection machine. The effect of coupling agents on the whisker surface, and the influence of MOS content on mechanical properties, heat properties, flame-retardant properties and the microstructure of the composites were investigated by scanning electron microscopy(SEM), thermogravimetry(TG) and differential scanning calorimetry(DSC) techniques, respectively. The results showed that the MOS whisker modified with coupling agents KH570 possesses better activation exponential and dispersity, and the tensile strength, flexural strength and toughness of PA66/PP/MOS composite were firstly increased and then decreased with the MOS content increasing, the optimum adding amount of MOS was 25phr. The flame retardant property was improved remarkable by adding of MOS.

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UV-polymerisable, phosphorus-containing, flame-retardant surface coatings for glass fibre-reinforced epoxy composites

Progress in Organic Coatings ◽

10.1016/j.porgcoat.2014.10.004 ◽

2015 ◽

Vol 78 ◽

pp. 73-82 ◽

Cited By ~ 13

Author(s):

P. Luangtriratana ◽

B.K. Kandola ◽

J.R. Ebdon

Keyword(s):

Flame Retardant ◽

Glass Fibre ◽

Surface Coatings ◽

Epoxy Composites ◽

Phosphorus Containing ◽

Glass Fibre Reinforced

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Synergistic effect of intumescent flame retardant and attapulgite on mechanical properties and flame retardancy of glass fibre reinforced polyethylene composites

Composite Structures ◽

10.1016/j.compstruct.2020.112404 ◽

2020 ◽

Vol 246 ◽

pp. 112404

Author(s):

Junlei Chen ◽

Jihui Wang ◽

Hongda Chen ◽

Aiqing Ni ◽

Anxin Ding

Keyword(s):

Mechanical Properties ◽

Synergistic Effect ◽

Flame Retardant ◽

Flame Retardancy ◽

Glass Fibre ◽

Intumescent Flame Retardant ◽

Glass Fibre Reinforced ◽

Polyethylene Composites

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Effect of Heat Treatment on the Tensile Strength of Glass Fibre Reinforced Polypropylene

Polymers and Polymer Composites ◽

10.1177/096739110301100503 ◽

2003 ◽

Vol 11 (5) ◽

pp. 369-381

Author(s):

Jeng-Shyong Lin

Keyword(s):

Heat Treatment ◽

Tensile Strength ◽

Glass Fibre ◽

Fibre Length ◽

Testing Temperature ◽

Scanning Calorimetry ◽

Treatment Conditions ◽

Heat Treated ◽

Molded Parts ◽

Glass Fibre Reinforced

Improvement of the interfacial adhesion by heat treatment of glass fibre reinforced polypropylene composite was studied. Polypropylene blended with glass fibres was injection-molded. The molded parts were heat treated at various temperatures for various times. Characterization of the mechanical properties of the resulting samples was performed including measurement of the critical fibre length, and differential scanning calorimetry. The results show that the critical fibre length increases while the tensile strength decreases with increasing testing temperature. At 25 and 80°C, heat treatment can improve the tensile strength. At or above 120°C, certain treatment conditions cause the tensile strength to drop significantly.

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