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MATRICE SEQUENCEE MULTIFONCTIONNELLE MONOPOLYMERIQUE EN POLYURETHANE COULE ET PROCEDE DE FABRICATION
专利权人:
AB7 INNOVATION
发明人:
RENE CHELLE,ARNAUD VILBERT,AURELIE ALBA
申请号:
FR1201794
公开号:
FR2992325B1
申请日:
2012.06.26
申请国别(地区):
FR
年份:
2015
代理人:
摘要:
The invention relates to a monopolymer multifunctional sequenced cast polyurethane matrix produced simply and efficiently, by sequentially pouring various isocyanate/polyol complex phase solutions successively into a mould with alternating solidification of said phase solutions according to a defined order and respecting the polymerisation stage (after the pot life and before the demoulding time) of the sequence preceding the one being cast, so as to end with the casting of the last phase solution that will go up to the demoulding time thereof and thereby finish the polymerisation of the whole of the matrix. It is loaded, in its &ldquoreservoir&rdquo sequences, with naturally originating or synthesised transdermally penetrating or volatile active substances. They are medicating and therapeutic, cosmetic, phytosanitary or wellness substances, repellents, attractants, pheromones, biocides, perfumes or deodorants. At least two active substances can be loaded into the same matrix in order to act unidirectionally or in opposite directions. Said matrix is used to form different devices that adhere to the skin or any other surface, in order to deliver at least one substance in a controlled manner. Said devices are patches, patches with a plurality of active substances, replaceable plasters stuck to a textile support, active heel pads and ball pads for shoes, pheromone cards for controlling insects, self-adhesive insecticide attractant cards, or other devices equivalent in terms of structure and function.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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