| 摘要 |
A plastic film is provided that has release properties towards adhesives. The materials that produce the release properties are incorporated in the plastic layer and can be extruded with it. The materials responsible for producing the release properties are organo-silicone graft polymers or organo-silicone block copolymers obtained from mercapto-functionalized silicones, such as polydimethyl-siloxanes. The materials are produced by modifying SiH-containing polysiloxane with organic, polymerizable monomers of the type that can be produced with acrylates, such as methylmethacrylate, butylacrylate, styrene or vinyl acetate.
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