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1st Progress Meeting

1st Progress Meeting. INESCOP PROJECT PROGRESS & PLANNED ACTIVITIES. LIFE 12 ENV/IT/352. Santa Croce Sull’ Arno BIOKIMICA 13rd June 2014. Mercedes Roig Joaquín Ferrer INESCOP. 1. First steps taken by INESCOP. 2.

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1st Progress Meeting

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  1. 1st Progress Meeting INESCOP PROJECT PROGRESS & PLANNED ACTIVITIES LIFE 12 ENV/IT/352 Santa Croce Sull’ Arno BIOKIMICA 13rd June 2014 Mercedes Roig Joaquín Ferrer INESCOP 1

  2. First steps taken by INESCOP 2

  3. B1. Demonstration of use of commercialmetal -free acid dyes on leather dyeing Objective: Obtain leathers dyed with different commercial metal-free acid dyes, which will be employed as a reference for natural dyes evaluation Tasks: • Selection of commercial metal-free acid dyes: 15 monochromatic samples + 10 combinated samples • Definition of the leather post-tanning process: neutralization, retanning, fatliquoring and dyein • Dyeing test at laboratory level • Evaluation of dyeing baths exhaustion by UV-V Espectroscopy Responsible: COLORTEX - INESCOP

  4. Test & Results control sheets • Test reference • Type of leather and pre-dyeing treatment • Tests on leather: • Fastness properties • Physical test • Test on residual baths

  5. Leather pre-dyeing treatment

  6. Laboratory level dyeing test

  7. Dyeing baths exhaustion (UV-V Espectroscopy)

  8. B2. Demonstration of the quality features of dyed leather with metal-free acid dyes Objective: Evaluate properties of commercial metal-free acid dyes in the leather dyeing process, which will be employed as a reference for natural dyes properties evaluation Tasks: • Dye fastness evaluation throuht standard fastness test: fastness to rubbing (wet and dry), light, PVC migration, water, perspiration and washing • Physical properties: tensile strebght, resistance to wear and resistance to heat Responsible: COLORTEX - INESCOP

  9. Fastness to rubbing (dry/wet)

  10. Rubbing fastness results 10

  11. Fastness to light

  12. Fastness to PVC migration / water spotting

  13. Fastness to water / perspiration

  14. Fastness to water results 14

  15. Fastness to washing

  16. C1. Monitoring on the environmental impact of acid dyes within leather manufacture Objective: Quantify and evaluate the environmental impact of dyeing residual bath which will be employed as a reference for natural dyes properties evaluation Tasks: Chemical analysis of dyeing residual bath by means of standard methods: COD, BOD and biodegradability Responsible: INESCOP

  17. COD & BOD results

  18. Biodegradability results (BOD/COD)

  19. Thanks for your attention

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