Methods of recycling and/or upgrading olefin (co)polymers

C - Chemistry – Metallurgy – 08 – J

Patent

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Details

C08J 11/04 (2006.01) C08F 255/00 (2006.01) C08F 255/02 (2006.01) C08F 255/04 (2006.01) C08F 255/06 (2006.01) C08L 51/06 (2006.01) C08L 23/02 (2006.01)

Patent

CA 2453203

The present invention relates to a method of recycling and/or upgrading an olefin (co)polymer, olefin (co)polymer scrap and/or mixtures thereof including adding effective amounts of a vinyl silane and a free radical initiator to graft the vinyl silane to the olefin (co)polymer. The present invention also relates to olefin (co)polymers, olefin (co)polymer scrap and/or mixtures thereof whenever recycled and/or upgraded by the method defined above and articles which are composed wholly or partly of them.

L'invention concerne un procédé destiné à recycler et/ou à améliorer un (co)polymère d'oléfine, des déchets de (co)polymère d'oléfine et/ou des mélanges de ceux-ci. Ce procédé consiste également à ajouter des quantités efficaces de silane de vinyle et un initiateur de radical libre afin de greffer le silane de vinyle au (co)polymère d'oléfine. Cette invention concerne également des (co)polymères d'oléfine, des déchets de (co)polymère d'oléfine et/ou des mélanges de ceux-ci recyclés et/ou améliorés par le procédé défini ci-dessus, ainsi que des articles composés partiellement ou entièrement de ceux-ci.

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