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J. N. Gaitskell, J. M. Herring, I. G. Williams

Polyamides — development of mechanical properties by glass fibre reinforcement,

mineral filling and rubber toughening - (in English)

Polimery 1984, No 10-11-12, 432

DOI: dx.doi.org/10.14314/polimery.1984.432


The good high temperature performance, wear resistance and low flammability of nylons 6 and 66 can be further improved by using specialist additives. Glass fibre reinforcement transforms nylon 6 and 66 from tough, flexible materials to exceptionally strong, rigid products, with an extended working temperature range. Special formulations give improved melt flow, surface finish or hydrolysis/antitreeze resistance. The use of glass fibre can lead to distortion/warpage and reduced impact strength. Extrusion compounding particulate mineral fillers into polyamides produces stiff materials with high heat distortion temperatures. Some mechanical properties are inferior to those of unreinforced or glass fibre reinforced nylon 6 and 66. Rubber toughening agents considerably improve the not­ched impact strengths of unreinforced nylons at low temperatures. This is offset by some reduction in tensile/flexural strength and heat distortion temperature. The addition of glass fibre, minerals and/or rubber tougheners to nylons 6 and (56 considerably extends their end uses in the motor, electrical, domestic appliance and power tool industries.

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