POLYCARBODIIMIDE AND POLYURETHANE CROSS-LINKERS FOR LEATHER FINISHING
Journal Title: Revista de Pielărie Încălţăminte - Year 2017, Vol 17, Issue 4
Abstract
This review focuses on polyurethane and carboxylic acid-carbodiimide cross-linked systems for leather finishes. Recently, these cross-links have become very popular in leather finishing. The cross-links in leather finishes improve the strength properties of the finished leather, the excess of cross-links causes brittleness. The multifunctional carbodiimide cross-linkers are useful for leather surface properties improvement. The carbodiimide groups are sensitive to hydrolysis; life time of this functional group during polymerization is enhanced. Water dispersible isocyanates, polyurethane copolymers and polyisocyanate cross-links have applications in new technologies are discussed in this review.
Authors and Affiliations
Sholingur C. RAMKUMAR, Adhigan MURALI, Govindarajan PREETHI, Bangaru CHANDRASEKARAN, Palanivel SARAVANAN, Sellamuthu N. JAISANKAR
DIFFERENCES IN PLANTAR PRESSURE BETWEEN THE DIABETIC AND HEALTHY SUBJECTS
Since varied thresholds were reported in the literature and in what range of peak pressure is safe was not answered, the aim of this study was to compare the plantar pressure between the diabetic and healthy subjects and...
Rigid antimicrobial polymeric composite with PVC matrix and ZnO and TiO2 functionalized nanoparticles
In this paper, rigid antimicrobial polymeric nanocomposites were developed - polymeric material based on chemically functionalized nanoparticles with polydimethylsiloxane (PDMS) – dispersed in a plastomer matrix. By disp...
STUDIES ON WATERPROOFING WET-WHITE LEATHER
Water resistance remains one of the more difficult goals to attain in leather manufacture. Although much is known from a scientific perspective, a problem persists when waterproofing wet-white leathers. The aim of this w...
COURT SHOE PRODUCTION LINE: IMPROVEMENT OF PROCESS CYCLE EFFICIENCY BY USING LEAN TOOLS
Lean manufacturing is an applied methodology of scientific, objective techniques that cause work tasks in a process to be performed with a minimum of non-value adding activities resulting in greatly reduced wait time, qu...
INFLUENCE OF WALKING DIRECTION ON THE INTRA-LIMB COORDINATION OF HEALTHY CHILDREN AGED BETWEEN THREE AND SIX
The aim of this study was first to compare the differences of coordination between forward walking (FW) and reversed backward walking (RevBW) in 40 healthy children aged between three and six; and then to explore interac...