ARTIFICIAL LEATHER AND METHOD FOR MANUFACTURING SAME
Provided is artificial leather which has excellent flexible texture, wear resistance, and nubuck outer surface having a dense feeling. The present invention relates to napped artificial leather containing an entangled sheet, and a polymer elastomer filled into the entangled sheet, the napped artific...
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| creator | TADOKORO, Yoshiyuki YAMAMOTO, Aguru SAKATA, Keiichiro |
| description | Provided is artificial leather which has excellent flexible texture, wear resistance, and nubuck outer surface having a dense feeling. The present invention relates to napped artificial leather containing an entangled sheet, and a polymer elastomer filled into the entangled sheet, the napped artificial leather being characterized in that: the entangled sheet has a structure of two or more layers formed from a fiber layer (A) on the front surface side of the napped artificial leather, and a scrim in contact with the fiber layer (A); the average diameter of the fibers constituting the fiber layer (A) is 2.0-7.0 µm; and when measuring porosity in the thickness direction and defining the minimum porosity in the fiber layer (A) as εAmin(%), the minimum porosity in the scrim as εSmin(%), and the maximum porosity from the position of the εAmin(%) to the position of the εSmin(%) as εA-Smax(%), 40≤εAmin≤70, 70≤εA-Smax≤90, and εSmin(%) |
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The present invention relates to napped artificial leather containing an entangled sheet, and a polymer elastomer filled into the entangled sheet, the napped artificial leather being characterized in that: the entangled sheet has a structure of two or more layers formed from a fiber layer (A) on the front surface side of the napped artificial leather, and a scrim in contact with the fiber layer (A); the average diameter of the fibers constituting the fiber layer (A) is 2.0-7.0 µm; and when measuring porosity in the thickness direction and defining the minimum porosity in the fiber layer (A) as εAmin(%), the minimum porosity in the scrim as εSmin(%), and the maximum porosity from the position of the εAmin(%) to the position of the εSmin(%) as εA-Smax(%), 40≤εAmin≤70, 70≤εA-Smax≤90, and εSmin(%)<εA-Smax(%) are satisfied. The present invention also relates to a method for manufacturing the same.</description><language>eng ; fre ; ger</language><subject>FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR ; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR ; LAUNDERING ; LAYERED PRODUCTS ; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM ; PERFORMING OPERATIONS ; TEXTILES ; TRANSPORTING ; TREATMENT OF TEXTILES OR THE LIKE ; WALL, FLOOR OR LIKE COVERING MATERIALS, e.g. LINOLEUM,OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF AFIBROUS WEB COATED WITH A LAYER OF MACROMOLECULARMATERIAL</subject><creationdate>2024</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20241030&DB=EPODOC&CC=EP&NR=4455399A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20241030&DB=EPODOC&CC=EP&NR=4455399A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TADOKORO, Yoshiyuki</creatorcontrib><creatorcontrib>YAMAMOTO, Aguru</creatorcontrib><creatorcontrib>SAKATA, Keiichiro</creatorcontrib><title>ARTIFICIAL LEATHER AND METHOD FOR MANUFACTURING SAME</title><description>Provided is artificial leather which has excellent flexible texture, wear resistance, and nubuck outer surface having a dense feeling. The present invention relates to napped artificial leather containing an entangled sheet, and a polymer elastomer filled into the entangled sheet, the napped artificial leather being characterized in that: the entangled sheet has a structure of two or more layers formed from a fiber layer (A) on the front surface side of the napped artificial leather, and a scrim in contact with the fiber layer (A); the average diameter of the fibers constituting the fiber layer (A) is 2.0-7.0 µm; and when measuring porosity in the thickness direction and defining the minimum porosity in the fiber layer (A) as εAmin(%), the minimum porosity in the scrim as εSmin(%), and the maximum porosity from the position of the εAmin(%) to the position of the εSmin(%) as εA-Smax(%), 40≤εAmin≤70, 70≤εA-Smax≤90, and εSmin(%)<εA-Smax(%) are satisfied. 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The present invention relates to napped artificial leather containing an entangled sheet, and a polymer elastomer filled into the entangled sheet, the napped artificial leather being characterized in that: the entangled sheet has a structure of two or more layers formed from a fiber layer (A) on the front surface side of the napped artificial leather, and a scrim in contact with the fiber layer (A); the average diameter of the fibers constituting the fiber layer (A) is 2.0-7.0 µm; and when measuring porosity in the thickness direction and defining the minimum porosity in the fiber layer (A) as εAmin(%), the minimum porosity in the scrim as εSmin(%), and the maximum porosity from the position of the εAmin(%) to the position of the εSmin(%) as εA-Smax(%), 40≤εAmin≤70, 70≤εA-Smax≤90, and εSmin(%)<εA-Smax(%) are satisfied. The present invention also relates to a method for manufacturing the same.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR LAUNDERING LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM PERFORMING OPERATIONS TEXTILES TRANSPORTING TREATMENT OF TEXTILES OR THE LIKE WALL, FLOOR OR LIKE COVERING MATERIALS, e.g. LINOLEUM,OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF AFIBROUS WEB COATED WITH A LAYER OF MACROMOLECULARMATERIAL |
| title | ARTIFICIAL LEATHER AND METHOD FOR MANUFACTURING SAME |
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