| 摘要 |
<p>Mixts. for prodn. of anti-adherent moulds or moulded articles consists of (I) prepolymers, such as polyether polyols, polyester polyols or polyurethane prepolymers, or monomers, such as an isocyanate, amine or diol, and (II) a liquid silicone without solvent in an amount of 10 - 20% wt., based on I. Esp. useful for prepn. of moulds for moulding articles e.g. footwear soles, of polyurethane material. In addition to good anti-adherent properties which facilitate mould stripping, the product is resistant to wear.</p> |
