申请人:Centre de Recherche Public Henri Tudor
公开号:EP3015495A1
公开(公告)日:2016-05-04
A flame-resistant multi-layer composite (10) comprises a carbon-containing substrate (14); a first polymer layer (16) applied on the substrate in a first plasma-polymerization (pp-) process step; and a second polymer layer (18) applied on the first plasmapolymer layer in a second pp-process step. The pp-layers are of different composition. One of the pp-layers is obtained from plasma-polymerization of phosphorus-containing precursors or a mixture of precursors comprising phosphorus-containing precursors. The other pp-layer is obtained from plasma-polymerization of nitrogen-containing precursors or a mixture of precursors comprising nitrogen-containing precursors. The multi-layer composite may be used in intumescent, halogen-free, flame retardants. Improvements in both time-to-ignition (increase) and peak of heat release rate (decrease) were observed. The substrate could be any carbon-based polymer, flexible or rigid, in film, foam or fabric form. Deposition of the pp-layers can be performed at atmospheric pressure in open reactors, which facilitates implementing the production process on an industrial line.
阻燃多层复合材料(10)包括含碳基材(14);在第一等离子聚合(pp-)工艺步骤中涂覆在基材上的第一聚合物层(16);以及在第二等离子聚合(pp-)工艺步骤中涂覆在第一等离子聚合层上的第二聚合物层(18)。pp层的组成各不相同。其中一个pp层是由含磷前驱体或包含含磷前驱体的前驱体混合物通过等离子聚合得到的。另一层pp层是由含氮前驱体或包含含氮前驱体的前驱体混合物经等离子聚合而成。多层复合材料可用于膨胀型无卤阻燃剂。据观察,燃烧时间(增加)和热释放率峰值(降低)均有所改善。基材可以是任何碳基聚合物,柔性或刚性,薄膜、泡沫或织物形式。pp-层的沉积可在常压下在开放式反应器中进行,这有利于在工业生产线上实施生产工艺。