RESEARCH ON THE FIRE RESISTANCE OF DEVELOPED KNITTED MATERIALS FOR MANUFACTURING PROTECTIVE GLOVES

Abstract

Purpose. To investigate the fire-resistant properties of knitted materials produced on double-cylinder
flat knitting equipment of class 8 pa-8 using meta-aramid (MA), para-aramid (PA), and high-molecular-
weight polyethylene (PE) yarns.

Methodology. During the research, methods of analysis and synthesis of scientific and technical
literature were implemented, as well as an experimental method for testing the developed samples of
knitted materials for their resistance to the action of an open flame. The investigation of fire resistance
was conducted in accordance with DSTU EN ISO 15025:2016, which is specifically designed for testing
materials for firefighter protective clothing.
Results. To conduct tests on the class 8 flat knitting equipment (glove machine PA-8), samples of knitted
materials were produced using yarns based on meta-aramid fibers, polyethylene, and para-aramid
threads. From these materials, single-layer samples and double-layer samples in the form of material
packets were prepared, with the layers positioned face to face. Additionally, a sample of a specified
shape in the form of a glove cuff was manufactured using plaited weave. In this case, meta-aramid
yarn was used as the ground thread, and high-strength para-aramid thread was used as the plaiting
thread. The materials' resistance to the open flame was determined by testing their performance.
Scientific novelty. The indicators of the resistance of the developed knitted material samples and
the formed material packets to the action of an open flame were determined, and their compliance
with the regulatory requirements for flame-resistant hand protection products was established. The
fire resistance of the knitted materials, which will be used to manufacture seamless gloves providing
simultaneous protection against mechanical damage and flame, was investigated.
Practical value. To manufacture seamless personal protective equipment for hands providing protection
against mechanical damage and the action of flame, a two-layer packet of knitted materials is proposed.
One layer is made from fire-resistant yarn composed of meta-aramid fibers, and the other layer is made
from para-aramid or high-molecular-weight polyethylene threads to ensure resistance to mechanical
damage.