TAILIEUCHUNG - Advances in Modern Woven Fabrics Technology Part 12

Tham khảo tài liệu 'advances in modern woven fabrics technology part 12', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 209 The Flame Retardant Nomex cotton and Nylon Cotton Blend Fabrics for Protective Clothing DMDHEU LOI 1 laundering 25 launderings 40 launderings 50 launderings 6 8 10 Table 10. The LOI of the nylon cotton fabric desert treated with 32 HFPO and DMDHEU at different concentrations and cured at 165 C for 2 min. The LOI of the untreated fabric is . DMDHEU Char Length mm 1 laundering 25 launderings 40 launderings 50 launderings 6 68 300 300 300 8 74 94 103 300 10 53 81 92 92 Table 11. The vertical flammability of the nylon cotton fabric desert treated with 32 HFPO and DMDHEU at different concentrations and cured at 165 C for 2 min. The char length of the untreated fabric is 300 mm. The nylon cotton fabric woodland is treated with 32 HFPO and DMDHEU at different concentrations and subjected to 1 laundering cycle. The tensile strength of the fabric thus treated after 1 laundering cycle is shown in Table 12. When DMDHEU concentration increases from 2 to 8 the tensile strength at the warp direction is in the range from 703 N 98 retention to 685 N 95 retention respectively. The tensile strength in the filling direction is in the range from 445 N 97 retention to 454 N 99 retention . Thus the data presented in Table 12 demonstrate that the fabric treated with HFPO and DMDHEU has negligible strength loss. More details for the flame retardant finished nylon cotton blend fabrics can be found in our two recent publications 20 21 . DMDHEU Tensile Strength N Tensile Strength Retention Warp Filling Warp Filling 2 703 454 98 99 4 694 449 96 98 6 685 445 95 97 8 701 451 97 98 Control 721 458 Table 12. The tensile strength of the nylon cotton fabric woodland treated with 32 HFPO and DMDHEU at different concentrations and cured at 165 C for 2 min after 1 laundering cycle . 4. Conclusions 1 The HFPO BTCA TEA flame retardant finishing system applied to the Nomex cotton blend fabric significantly enhances the performance of the

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