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Fremgangsmåte for fremstilling av polyamidamin-epiklorhydrinharpikser med en 1,3-diklor-2-propanolmengde som ikke kan detekteres ved dampfase-kromatografi
Fremgangsmåte for fremstilling av polyamidamin-epiklorhydrinharpikser med en 1,3-diklor-2-propanolmengde som ikke kan detekteres ved dampfase-kromatografi
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机译:量为1,3-二氯-2-丙醇的聚酰胺胺-表氯醇树脂的制备方法,气相色谱无法检测到
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摘要
Process for the production of resins polyamidoamine - epichlorohydrin to the content of dichloro - 1,3 - propanol - 2 undetectable by ordinary means of vapour phase chromatography. & br / & it consists in causing the products resulting from the condensation of polyamidoamines and of epichlorohydrin in succession on two columns of active charcoal. One thus obtains the aqueous resin without toxic products, particularly appreciated as additives for the wet strength in the manufacture of papers medical use, cosmetic or food contact.
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