Invention Grant
- Patent Title: Windmill propeller blade and method of making same
- Patent Title (中): 风车螺旋桨叶片及其制作方法
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Application No.: US12937304Application Date: 2009-05-04
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Publication No.: US08829101B2Publication Date: 2014-09-09
- Inventor: George Jacob , Ha Q. Pham , Marvin L. Dettloff , Gary A. Hunter , Rajesh Turakhia
- Applicant: George Jacob , Ha Q. Pham , Marvin L. Dettloff , Gary A. Hunter , Rajesh Turakhia
- Applicant Address: US MI Midland
- Assignee: Dow Global Technologies LLC
- Current Assignee: Dow Global Technologies LLC
- Current Assignee Address: US MI Midland
- International Application: PCT/US2009/042642 WO 20090504
- International Announcement: WO2009/140087 WO 20091119
- Main IPC: C08J5/04
- IPC: C08J5/04 ; F03D1/06 ; C08L63/10 ; C08L63/00 ; C08L71/02
Abstract:
A windmill blade which comprises reinforcing fibers in a toughened resin matrix. The resin matrix is made from a composition which comprises (a) one or more epoxy resins and/or one or more epoxy vinyl ester resins, (b) one or more reactive diluents, and (c) at least one amphiphilic block copolymer. The amphiphilic block copolymer comprises at least two different polyether blocks and is present in the composition in an amount of from about 0.5% to about 10% by volume, based on the total volume of the matrix composition.
Public/Granted literature
- US20110058948A1 WINDMILL PROPELLER BLADE AND METHOD OF MAKING SAME Public/Granted day:2011-03-10
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