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    • 3. 发明申请
    • Use of a crosslinkable silicone invert emulsion for producing breathable coatings
    • 使用可交联的硅氧烷反相乳液生产透气涂料
    • US20050123689A1
    • 2005-06-09
    • US10503726
    • 2003-02-07
    • Paul BranlardMartial DeruelleYves GiraudNadia Martin
    • Paul BranlardMartial DeruelleYves GiraudNadia Martin
    • D06M11/79D06M13/513D06M15/643D06M15/65D06N3/12C08J7/04
    • C09D183/04D06M15/643D06M15/65D06N3/128Y10T428/31663
    • The invention relates to the general field of silicone coating on various pliable supports, for example textiles, made of synthetic polymers (polyamide, polyester, etc.). An aim of the invention is to propose an effective process for producing coatings that are waterproof and permeable to moisture vapour, on pliable supports, this process allowing an improvement in the moisture vapour-permeability of the silicones while at the same time conserving the waterproofness. The process according to the invention which achieves this aim consists essentially in coating one of the faces of the support with a film formed by a water-in-oil inverse silicone emulsion comprising a continuous oily silicone phase φs, which can be crosslinked into an elastomer and which comprises a polyorganosiloxane (POS) A that is crosslinkable by polyaddition, by polycondensation, by cationic means or by free-radical means; optionally a crosslinking organosilicic compound B; optionally at least one catalyst C, an aqueous phase φa, a stabilizer, and in seeing to it that the silicone phase φs crosslinks and that removal of water occurs. The invention also relates to pliable supports made of polyamide or polyester, that are waterproof and permeable to moisture vapour, obtained by using a water-in-oil inverse silicone emulsion.
    • 本发明涉及在合成聚合物(聚酰胺,聚酯等)制成的各种柔韧载体上的硅酮涂层的一般领域,例如纺织品。 本发明的目的是提出一种在柔韧的支撑物上生产防水和透湿的涂层的有效方法,该方法允许提高硅氧烷的透湿度,同时保持防水性。 实现该目的的根据本发明的方法主要在于用由油包水反相硅氧烷乳液形成的膜涂覆载体的一个表面,所述油包水反相硅氧烷乳液包含连续的油性硅氧烷相phis,其可交联成弹性体 并且其包含通过加聚可交联的聚有机硅氧烷(POS)A,通过缩聚,通过阳离子手段或通过自由基手段进行交联; 任选交联的有机硅化合物B; 任选地至少一种催化剂C,水相phia,稳定剂,并且认为有机硅相交联并发生水的除去。 本发明还涉及通过使用油包水反相硅氧烷乳液获得的由聚酰胺或聚酯制成的柔性支撑体,其是防水的并且是透湿的。