公开(公告)号：EP2927368A4

公开(公告)日：2016-06-29

申请号：EP13859092

申请日：2013-11-27

Applicant: TORAY INDUSTRIES

Inventor： KOIDE GEN ,  NISHIMURA MAKOTO ,  TSUCHIMOTO TAKAHIRO

IPC: D06N7/00 ,  D06C11/00 ,  D06M11/05 ,  D06M15/333 ,  D06M15/564 ,  D06N3/00 ,  D06N3/14

CPC classification number: D06M15/333 ,  D06M15/564 ,  D06N3/0004 ,  D06N3/14 ,  D06N2201/10 ,  D06N2209/103 ,  D06N2209/105 ,  D06N2211/10 ,  D06N2211/14 ,  D06N2211/26 ,  D06N2211/28 ,  Y10T428/268

公开(公告)号：EP3112530A4

公开(公告)日：2017-10-11

申请号：EP15755868

申请日：2015-02-23

Applicant: TORAY INDUSTRIES

Inventor： MURAHARA HISASHI ,  NAKAI SHUNICHIRO ,  TSUCHIMOTO TAKAHIRO

IPC: D06N3/14 ,  D06M15/564 ,  D06N3/00

CPC classification number: D06N3/0004 ,  D06N3/14 ,  D06N2205/023

Abstract: The invention relates to an environmentally friendly production method for a sheet-like article that does not use an organic solvent in the production process and provides a sheet-like article that compares favorably in terms of a uniform feel with artificial leather products produced from an organic solvent based polyurethane and in particular has good surface quality and texture and also provides a production method therefor. The present invention aims to provide a sheet-like article comprising a fibrous base material formed of ultrafine fibers and/or ultrafine fiber bundles provided with, as a binder, a polymer elastomer having a hydrophilic group, any thickness-directional cross section of the sheet-like article containing regions occupied by the polymer elastomer, the regions including independent regions each with a cross-sectional area of 50 µm 2 or more, the total area of the independent regions accounting for 0.1% or more and 5.0% or less of the cross-sectional area of the artificial leather in an observation view field. The production method for the sheet-like article according to the present invention provides a production process for a sheet-like article including a fibrous base material formed of ultrafine fibers and, as a binder, a polymer elastomer having a hydrophilic group, the process including a step for adding an aqueous resin dispersion liquid containing a water-dispersed polymer elastomer and a viscosity improver to a fibrous base material and a step for coagulating the polymer elastomer in hot water at a temperature of 50°C to 100°C.

公开(公告)号：EP2896741A4

公开(公告)日：2016-06-08

申请号：EP13836539

申请日：2013-09-13

Applicant: TORAY INDUSTRIES

Inventor： KOIDE GEN ,  NAKAI SHUNICHIRO ,  YANAGISAWA SATOSHI ,  NISHIMURA MAKOTO ,  TSUCHIMOTO TAKAHIRO

IPC: D06N7/00 ,  D06C11/00 ,  D06M11/05 ,  D06M15/333 ,  D06M15/564 ,  D06N3/00 ,  D06N3/14

CPC classification number: D06M15/564 ,  D06M11/05 ,  D06M15/333 ,  D06N3/0004 ,  D06N3/0006 ,  D06N3/0009 ,  D06N3/0011 ,  D06N3/0036 ,  D06N3/14 ,  D06N2209/105 ,  D06N2211/063 ,  D06N2211/106 ,  D06N2211/14 ,  D06N2211/24 ,  D06N2211/26 ,  D06N2211/28

Abstract: Provided is an environmentally friendly process for producing a sheet-shaped material having both an elegant, napped appearance and a soft texture, which qualities have not been achieved concurrently, and also exhibiting good abrasion resistance. The process of the present invention for producing a sheet-shaped material comprises the successive steps of: (a) adding a polyvinyl alcohol having a degree of saponification of 98% or more and a degree of polymerization of 800 to 3,500 to a fibrous substrate in an amount of 0.1 to 50% by mass relative to the total mass of fibers in the fibrous substrate; (b) adding a waterborne polyurethane to the fibrous substrate with the added polyvinyl alcohol; and (c) removing the polyvinyl alcohol from the fibrous substrate with the added waterborne polyurethane.

Abstract translation: 提供了一种用于生产具有两种优雅，起绒外观和柔软的质地，其中质量没有被同时取得的薄片状材料，因此表现出良好的耐磨损性的环境友好的方法。 本发明的用于生产薄片状材料的方法，包括以下连续的步骤：（a）将具有一定程度的98％以上的皂化和中存在某种程度的800聚合到3500到纤维质基底聚乙烯醇 在通过相对于所述纤维质基底的纤维的总质量为0.1至50％的量; （B）加入水性聚氨酯以与所添加的聚乙烯醇的纤维基材; 和（c）从与所添加的水性聚氨酯的纤维基质的聚乙烯醇。