抄録
Following a brief survey on significant points of poromeric man-made leather quality in comparison with that of natural leather and conventional synthetic leathers, the key points of the manufacturing process which may be closely related to its functional properties were discussed.
1. Introduction ; 2. Poromeric man-made leather and synthetic leather ; 3. Outline of promeric man-made leather manfacturing process ; 3.1. Mat making process, 3.2. Process for substrate ; 3.4. Finishing process ; 4. Problems on mat making process ; 4, 1. Elimination of strain of the mat ; 5. Problems on substrate making process ; 5.1. Polyurethane elastomer ; 5.1.1. Key points of the quality ; 5.1.2. Raw material ; 5.1.3. Form of the reaction ; 5.2. Mat impregnation with emulsion ; 5.3. Non-adhensive type resin impregnation ; 6. Problems on surface layer making process ; 7. Conclusion.