Dust-free, epoxy-containing stabilizer granules and the...

Details Dust-free, epoxy-containing stabilizer granules and the... Dust-free, epoxy-containing stabilizer granules and the...

C - Chemistry, Metallurgy

08

K

C08K 5/00 (2006.01) B29B 9/06 (2006.01) C08J 3/12 (2006.01) C08J 3/20 (2006.01) C08K 5/13 (2006.01) C08K 5/134 (2006.01) C08K 5/15 (2006.01) C08K 5/17 (2006.01) C08K 5/34 (2006.01) C08K 5/49 (2006.01) C08K 5/53 (2006.01) C08K 9/08 (2006.01) C08L 63/00 (2006.01)

Patent

CA 2248529

The invention relates to low-dust granules of plastics additives, comprising a) a phenolic antioxidant, an organic phosphite or phosphonite, a phosphonate, a sterically hindered amine or a UV absorber, individually, or a mixture of these compounds, and b) at least one epoxy compound which is solid at room temperature. The granules are particularly suitable for stabilizing polymers, especially polyolefins such as polypropylene or polyethylene.

Cette invention concerne des granules d'additifs de plastique quasi exempts de poussières, comprenant : a) un antioxydant phénolique, un phosphite ou un phosphonite organique, un phosphonate, une amine stériquement encombrée ou un absorbant UV, individuellement ou en mélange; et b) au moins un époxy solide à la température ambiante. Ces granules sont particulièrement utiles pour stabiliser des polymères, spécialement les polyoléfines comme le polypropylène ou le polyéthylène.

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