Mold release agent for polyurethane articles
AssigneeEvonik Operations GmbH
InventorsRene Kerp, Alfred Vuin, Florian Gaber, Michael Krebs
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Abstract
The present invention is related to an aqueous mold release agent for the production of polyurethane articles, particularly molded polyurethane foam articles, comprising an unsaturated polymer and a Norrish-type 1 and or a Norrish-type 2 photoinitiator, characterized in that the unsaturated polymer comprises a polybutadiene, a polyisoprene, a copolymer of butadiene and isoprene, or a combination thereof. The present invention is further directed to a process of producing a molded polyurethane article, comprising applying said aqueous agent to a mold, and to the use said aqueous mold release agent for the production of molded polyurethane articles
Claims13
An aqueous mold release agent for the production of molded polyurethane articles, the aqueous mold release agent comprising:
- an aqueous carrier,
- an unsaturated polymer, and
- further a Norrish-type 1 photoinitiator and/or a Norrish type 2 photoinitiator, wherein the unsaturated polymer comprises a polybutadiene, a polyisoprene, a copolymer of butadiene and isoprene, or a combination thereof.
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Dependencies are inferred from the claim text.