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Wpływ parametrów strukturalnych na właściwości elektrostatyczne dzianin kolumienkowych
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This work presents the electrostatic properties of knitted fabrics destined for protective clothing used to protect humans against static electricity. The aim of this research work is to estimate the electrostatic properties of knitted fabrics in dependence on the degree to which their structure is filled with basic yarn, and on the content of the electro-conductive yarn added. The knitted structures were developed for manufacturing by warp knitting, with the assumption that the electro-conductive yarn will be periodically worked into the background made of the basic yarn. Three variants of triple-needled wale-left/right-knitted fabrics were the test material. They differed in the degree to which they were filled with the background made from polyester (polyethylene terephtalate – PET) yarn. The electro-conductive yarn was introduced into the knitted fabric’s structure in the form of vertical weft. The weaves applied resulted in anti-electrostatic knitted fabrics with a heterogeneous structure being obtained. We assessed the anti-electrostatic properties and selected usage properties of the fabrics manufactured. The results obtained confirmed that all the knitted fabrics we developed meet the requirements of standards concerned with anti-electrostatic protective clothing, and that their properties depend on the structural solutions applied.
Czasopismo
Rocznik
Strony
69--74
Opis fizyczny
Bibliogr. 37 poz., rys., tab.
Twórcy
autor
- Tricotextil Institute of Knitted Techniques and Technologies, ul. Piotrkowska 270, 90-361 Łódź, Poland
autor
- Textile Research Institute, Łódź ul. Brzezińska, 92-103 Łódź, Poland
Bibliografia
- 1. Directive 89/656/EWG in the matter of minimum requirements in the field of safety and health care of workers using protective fittings (in Polish).
- 2. European directive 89/686/EEC in the matter of fundamental requirements for means of individual security (in Polish).
- 3. Directive of the Ministry of Economy , Labour and Social Policy from 31 March 2003 concerning fundamental requirements for means of individual safety (in Polish), Dz.U. Nr 80, poz. 725.
- 4. Directive of the Ministry of Economy, Labour and Social Policy from September 1997 concerning general safety regulations and work hygiene (in Polish), Dz.U. z 2003 r. Nr 169, poz. 1650.
- 5. Lin L.B.: ‘Electrically Conductive Polymer Composites and Blends’, Polym. Eng. Sci., 1992, 1, 36-42
- 6. V. Vlasenko et al. : ‘Image analysis of static dissipative technical textiles ‘, EL-TEX 00, Łódź, September 2000.
- 7. V. Vlasenko et al. : ‘Antistatic properties of textiles modified by polyaniline’, Proceed. 0f the 4th EL-TEX 02 Int. Symp., Łódź, November 2002.
- 8. EUREKA Project E1 3191 MULFUNC, ‘Multifunctional woven and knitted fabrics for modern high-quality barrier textile materials and work-wear’, Tricotextil ITTD, 2004 – 2007.
- 9. B. Świderski, A. Pinar, L. Martinková, ‘Anti-electrostatic and non-flammable fancy materials’, ZPRAVODAJ, č. 4/2005, Spolku Textilních Chemiků a Koloristů, pořadové číslo 54, Pardubice, October 2005.
- 10. A. Pinar, B. Świderski: ‘Knitted fabrics allotted to protection before static electricity and heat hazard’ (in Polish), Proceed. of 7th Intern. Scientifically-Technical Conf. Knit-Tech, Ciechocinek, 2006.
- 11. P. Holdstock: ‘Protective clothing in textile material composites considering the electrical aspect’, Proceed. of the 1st Int. Symp. EL-TEX 96, Łódź, September 1996.
- 12. P. Holdstock: ‘Electrostatic measurements of textile materials’, Proceed. of the 4th Int. Symp. EL-TEX 2002, Łódź, November 2002.
- 13. ’New protective products knitted structures which protect against the influence of electrostatic fields’ (in Polish), Tricotextil ITTD Łódź, Torget project ROW-142-2003.
- 14. A. Pinar et al. ‘Anti-electrostatic material and methods of manufacturing of anti-electrostatic material, particularly for protective clothing’ (in Polish), Patent Application P-371859, 08.12.2004
- 15. A. Pinar, E. Matyjas-Zgondek ‘Knitted textile material protecting against static electricit’ (in Polish), Proceed. of the 3rd European Conference on Protective Clothing (ECPC) and NOKOBETEF 8. Gdynia 2006.
- 16. PN-EN 1149-1:1999. ‘Protective clothing. Electrostatic properties. Surface resistivity (test methods and requirements)’ (in Polish).
- 17. PN-91/P-04871. ‘Textiles. Determination of electrical resistance’ (in Polish).
- 18. PN-EN 1149-5:2005. ‘Protective clothing. Electrostatic properties. Performance requirements’ (in Polish).
- 19. PN – 85/ P-04787. MBWW. Knitted fabrics and products. Determination of the number of courses and wales (in Polish).
- 20. W. Żurek, K. Kopias: ‘Struktura płaskich wyrobów włókienniczych’, WNT Warsaw 1983. Revised second edition, pp. 44-45.
- 21. T. Żyliński: Metrologia Włokiennicza. WNT Warsaw 1969, volume III, pp. 216 - 222.
- 22. G. Vass, R. Tėri: ‘Practical way of establishing the most important factors of quality knitted products’(in Polish), Przegląd Włókienniczy. 1962r. p. 406-410.
- 23. K. Kopias et al. ‘Laboratorium podstaw technologii i maszyn dziewiarskich’, WN PŁ 1980 , Second edition, pp. 9-21
- 24. PN-P-04613:1997. ‘Method E. Textiles. Determination of linear and area mass’ (in Polish).
- 25. Research Instruction IN D-4/70 (p.3.2). Textile Technology Research Laboratory of the Tricotextil Institute of Knitted Techniques and Technologies, Łódź.
- 26. PN-86/P-04761/08. MBSW. Chemical fibres. Determination of the diameter. (in Polish).
- 27. PN-EN 25077:1998. Textiles. Determination of dimension changes in knitted fabrics after washing and desiccation.
- 28. PN-EN ISO 3759:1998 Textiles. The preparation, marking and measurement of samples of flat products and clothes for assessment the dimension change.
- 29. PN-EN ISO 6330:2002 Textiles. Methods of domestic washing and drying practiced in evaluation flat textiles products (in Polish).
- 30. PN-EN ISO 9237:1998 Textiles. Determining the air permeability of textiles (in Polish).
- 31. PN-79/P-04738 MBWW. Determining the puncture durability (in Polish).
- 32. PN-EN ISO 13934-1:2002 Textiles. Properties of flat products at stretching - Part 1: Determining maximum force by relative elongation at maximum force with the belt method (in Polish).
- 33. PN-EN 340: 1996. Protective clothing. General requirements.
- 34. PN-EN 1149-1:1999/ Ap1:2001. Protective clothing. Electrostatic properties. Surface resistivity (test methods and requirements).
- 35. PN-EN 1149-2: 1999/ Ap1:2001. Protective clothing. Electrostatic properties. Test method for measuring resistance electrical through a material (vertical resistance).
- 36. PN-EN 1149-3: 2005 (U). Protective clothing. Electrostatic properties. Test methods for measuring charge decay.
- 37. J. Haase, W. Löbel: ‘Problems of research and evaluation of the behaviour of electrostatic textile products of high-electroconductive fibres’ (in Polish), Proceed. of EL-TEX 96 the 1st Int. Symp., Łódź, September 1996.
Typ dokumentu
Bibliografia
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