Radically polymerizable multisubstance mixtures with long...

C - Chemistry – Metallurgy – 08 – F

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C08F 4/40 (2006.01) C08F 4/00 (2006.01)

Patent

CA 2073770

2073770 9110687 PCTABS00006 The invention relates to radically polymerizable multisubstance mixtures which can be shaped by processing and which contain ethylenically unsaturated polymerizable compounds admixed, if desired, with soluble and/or insoluble fillers and/or other adjuvants. It also relates to starters or activators which can be initiated by the introduction of atmospheric oxygen. These compounds are characterized in that they are applied in the form of at least slightly thickened materials and contain a starter system which can be initiated by the introduction of atmospheric oxygen and which contain the following main constituents: hydroperoxide-forming hydrazone compounds of aliphatic, cycloaliphatic and/or aromatic aldehydes and/or ketones and, if desired, metallic compounds which are at least partially soluble in the system and which accelerate the drying of unsaturated oils and/or reducing agents which accelerate the radical polymerization. The mixtures of these substances, which contain the radically polymerizable constituents, in particular together with dissolved and/or undissolved fillers and/or adjuvants, are suitable for timed curing of predetermined pot life by means of atmospheric air at ambient and/or higher temperatures, preferably when they are shaped by processing.

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