A NEW ADHESIVE COATING SOLUTION BASED ON A NATURAL ANIMAL POLYMER - PART I: PREDICTION OF BREAKING FORCE AND ELONGATION OF COATED COTTON YARNS

Year 2012, Volume: 22 Issue: 2, 83 - 89, 29.06.2012

Cozmin-toma Buda Daniela Negru Dorin Avram

Abstract

In the first part of the article the influence of the coating material based on a natural animal polymer was investigated. Mathematical modeling and the optimization of the coated yarn’s breaking force and elongation at break were presented by the rotatable central composition design, enabled by the factorial program order 22. The independent variables were X1 – concentration of natural animal polymer, which influences with his characteristics the yarn characteristics, X2 – tension force, which influences the way the solution will penetrate the structure of cotton yarn, and dependent variables Y1 – breaking force and Y2 – elongation at break of the coated cotton yarn. The properties of the coating material have to be found in the characteristics of the final coated yarn. Coating solution improves the coated yarn's characteristics with approximately 30% by forming an exterior layer on the yarn and also by getting into the yarn and connecting the fibers, so during the efforts that the yarn is subjected the coating material will take a part of stress.  

Keywords

Natural animal polymer, Coating material, Tensile properties, Mathematical modelling

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