Solvay Solexis S.p.a.

Ausimont S.p.a.

Solvay Specialty Polymers Italy S.p.a.

Stefano Arrigoni

Margherita Albano

Marco Apostolo

Matteo Fantoni

Stefano Bossolo

Claudia Manzoni

Marco Avataneo

Milena Stanga

Giovanni Comino

The invention pertains to a perfluoroelastomer composition comprising: at least one perfluoroelastomer comprising iodine and/or bromine atoms [perfluoroelastomer (A)]; from 0.5 to 5 weight parts, per 100 parts by weight of said perfluoroelastomer (A), of at least one bis-olefin [bis-olefin (OF)] having general formula (1) wherein R, R, R, R, Rand R, equal or different from each other, are H, a halogen, or a C-Coptionally halogenated group, possibly comprising one or more oxygen group; Z is a linear or branched C-Coptionally halogenated alkylene or cycloalkylene radical, optionally containing oxygen atoms, or a (per)fluoropolyoxyalkylene radical; from 0.1 to 3 weight parts, per 100 parts by weight of said perfluoroelastomer (A), of at least one organic peroxide; from 0.1 to 3 weight parts, per 100 parts by weight of said perfluoroelastomer (A), of at least one organic base [base (B)] selected from the group consisting of: (i) non-aromatic primary amines or amides complying with general formula (B1m) or (Bid): R&#x2014;[C(0)]&#x2014;NH(B1m) HN&#x2014;[C(O)&#x2014;R&#x2014;[C(O)&#x2014;NH(Bid) wherein: each of t, t' and t&#x2033;, equal to or different from each other and at each occurrence is zero or 1; Rbm is a monovalent hydrocarbon non-aromatic group having 12 to 30 carbon atoms; Rdm is a divalent hydrocarbon non-aromatic group having 6 to 30 carbon atoms; and (ii) cycloaliphatic secondary or tertiary amines complying with general formula (II) (B2m) or (B2d) wherein: Cy represents a divalent aliphatic group comprising at least 4 carbon atoms, optionally comprising one or more than one ethylenically unsaturated double bond, and optionally comprising one or more catenary nitrogen atoms, forming a cycle with the nitrogen atom which is connected thereto; Cy&#x2032; represent a trivalent aliphatic group comprising at least 5 carbon atoms, optionally comprising one or more than one ethylenically unsaturated double bond, and optionally comprising one or more catenary nitrogen atoms, forming a cycle with the nitrogen atom which is connected thereto. 

Perfluoroelastomer composition

The invention pertains to a peroxide/nitrile dual cure fluoroelastomer composition able to provide for cured parts having improved thermal and water vapour resistance, to a method of curing the same and to cured articles obtained therefrom.

Fluoroelastomer composition

Perfluoroelastomeric gel having the following properties:

Perfluoroelastomer gels

Fluoroelastomeric gel having the following properties:

Fluoroelastomer gels

A (per)fluoroelastomeric composition curable by peroxidic way comprising for 100 phr of (per)fluoroelastomer: 

(Per)fluoroelastomeric compositions

Fluoroelastomers, curable by peroxidic route, obtainable by polymerizing the following monomers:

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Novara, Italy

Stefano Arrigoni