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A Graf process for ensuring the waterproofing of a polymer substance by a fluorinated monomer,
A Graf process for ensuring the waterproofing of a polymer substance by a fluorinated monomer,
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机译:用于确保氟化物对高分子物质防水的Graf工艺,
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摘要
The grafting reaction according to the invention occurs after having impregnated the polymeric material, on which were previously created free radicals by activation within an emulsion containing the fluorinated monomer and a graftable derivative of the morpholine. The preferred reagents are morpholinoethyl methacrylate and 3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl methacrylate. The invention is applicable to the waterproofing of textile articles, particularly made of cotton, silk, linen. The material thus grafted is waterproof when cold, but when hot, it may be washed, dyed or printed by transfer.
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