Invention Application
US20120329351A1 Elastic Nonwoven Materials Comprising Propylene-Based and Ethylene-Based Polymers
审中-公开
弹性非织造材料，包括丙烯基和乙烯基聚合物
- Patent Title: Elastic Nonwoven Materials Comprising Propylene-Based and Ethylene-Based Polymers
- Patent Title (中): 弹性非织造材料，包括丙烯基和乙烯基聚合物
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Application No.: US13486643Application Date: 2012-06-01
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Publication No.: US20120329351A1Publication Date: 2012-12-27
- Inventor: Aspy K. Mehta , Bin Zhao , Galen C. Richeson , Charles R. Harris , Gregory E. Keys
- Applicant: Aspy K. Mehta , Bin Zhao , Galen C. Richeson , Charles R. Harris , Gregory E. Keys
- Main IPC: C08L23/10
- IPC: C08L23/10 ; C08L23/20 ; D04H13/00 ; C08L23/04
Abstract:
The present invention relates to elastic nonwoven materials comprising an elastic layer formed from a polymer blend comprising a propylene-based polymer and a minor amount of an ethylene-based polymer. The propylene-based polymer may comprise from about 75 to about 95 wt % propylene and from about 5 to about 25 wt % ethylene and/or a C4-C12 α-olefin, and may have a triad tacticity greater than about 90% and a heat of fusion less than about 75 J/g. The ethylene-based polymer may comprise from about 65 to about 100 wt % ethylene and from 0 to about 35 wt % of one or more C3-C12 α-olefins.
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