发明申请
US20080160859A1 Nonwovens fabrics produced from multicomponent fibers comprising sulfopolyesters
审中-公开
由包含磺基多聚酯的多组分纤维生产的无纺布织物
- 专利标题: Nonwovens fabrics produced from multicomponent fibers comprising sulfopolyesters
- 专利标题(中): 由包含磺基多聚酯的多组分纤维生产的无纺布织物
-
申请号: US11648953申请日: 2007-01-03
-
公开(公告)号: US20080160859A1公开(公告)日: 2008-07-03
- 发明人: Rakesh Kumar Gupta , Daniel William Klosiewicz , Scott Ellery George
- 申请人: Rakesh Kumar Gupta , Daniel William Klosiewicz , Scott Ellery George
- 主分类号: D04H1/00
- IPC分类号: D04H1/00 ; D01D5/30
摘要:
A process for making a nonwoven fabric is provided comprising: (A) collecting multicomponent fibers to form a non-woven web; wherein the multicomponent fiber comprises at least one water dispersible sulfopolyester and at least one water non-dispersible polymer; wherein said multicomponent fiber has a plurality of domains comprising the water non-dispersible polymer; wherein the domains are substantially isolated from each other by the water dispersible sulfopolyester intervening between the domains; (B) contacting the non-woven web with water at a sufficient temperature and pressure to remove a portion of the water dispersible sulfopolyester thereby forming a microfiber web; and (C) hydroentangling the microfiber web to produce the nonwoven fabric. A process is also provided wherein steps (B) and (C) are combined. Fibrous articles utilizing the nonwoven fabrics are also provided.
信息查询