- Patent Title: Liquid (meth)acrylic syrup, method for impregnating a fibrous substrate with said syrup, and composite material produced after polymerisation of said impregnation syrup
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Application No.: US15538927Application Date: 2015-12-22
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Publication No.: US11186723B2Publication Date: 2021-11-30
- Inventor: Pierre Gerard , Sébastien Taillemite , Daniel Callin
- Applicant: Arkema France
- Applicant Address: FR Colombes
- Assignee: Arkema France
- Current Assignee: Arkema France
- Current Assignee Address: FR Colombes
- Agency: Buchanan Ingersoll & Rooney P.C.
- Priority: FR1463056 20141222
- International Application: PCT/FR2015/053725 WO 20151222
- International Announcement: WO2016/102890 WO 20160630
- Main IPC: C09D4/06
- IPC: C09D4/06 ; C08L33/06 ; C09D133/06 ; C08F265/06 ; C08F220/14 ; C08J5/24 ; B29C70/48 ; C08F120/14
Abstract:
The invention relates to a viscous liquid (meth)acrylic syrup comprising: a) a (meth)acrylic polymer, b) a (meth)acrylic monomer, c) an initiator to start the polymerization of the (meth)acrylic monomer, said initiator being in the form of a peroxide compound that is liquid in a temperature range of between 0° and 50° C., said syrup being characterized in that the initiator is combined with an accelerating system comprising: d) a vanadium salt and e) a tertiary amine.
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