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Polyamine cross-linkable polymer synthesis and application of dyes

Author: TangBingTao
Tutor: YangJinZong；ZhangShuFen
School: Dalian University of Technology
Course: Applied Chemistry
Keywords: Cross-linkable polymeric dye Crosslinked chromatin Fixation Synthesis Dyeing properties
CLC: TQ610
Type: PhD thesis
Year: 2005
Downloads: 615
Quote: 7
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Abstract


This design can be synthesized polyamine crosslinked polymer dye that has a high reactivity in the side chain groups - amino introduce dye precursor polymer structure, the use of polymer chain amino hyperreactivity and the same polymer chain has multiple crosslinkable groups advantages, the desire to achieve the dye staining by crosslinking the fibers close to 100% of the fixing rate, so as to improve the performance of all aspects of its application purpose. In this paper, ammonium persulfate and sodium bisulfite redox system consisting of an initiator, by means of an aqueous solution of acrylamide low degree of polymerization of polyacrylamide. And degraded by the Hofmann reaction of polyacrylamide was obtained part aminated polyethylene amines. Investigated the polyacrylamide concentration, the amount of sodium hypochlorite, the amount of alkali degree of amination products. Amination using ammonia as the reagent, ammonia solution in ethanol and allyl chloride to give the allyl amine. The introduction of alcohol allyl primary amine can greatly improve the selectivity of the catalytic effect of cuprous chloride and significantly higher than the catalytic effect of potassium iodide. Methenamine amination reagent is used, the use of a primary amine to obtain Lebin that allyl amine was synthesized. Experiments using inexpensive raw materials directly allyl chloride as ammonia in ethanol solution, acid solution, instead of the traditional methods that have Lebin expensive hydrocarbon bromo or iodo first hydrocarbon ammonia solution in chloroform and the acid in 95% ethanol solution method, not only the process of eliminating the intermediate steps of the solvent of chloroform, and the cheap raw materials, greatly reducing the cost. Ammonium persulfate and sodium bisulfite redox system consisting of an initiator, by means of an aqueous solution of allylamine hydrochloride polymer obtained polyallylamine hydrochloride. Studied the polymerization temperature, monomer concentration, initiator concentration and the polymerization of allylamine hydrochloride of. Chlorination using thionyl chloride as reagent, DMF as the catalyst in the three benzene sulfonyl chloride, acid dyes for the reaction of synthesis of the corresponding sulfonyl chloride compound; while using chlorosulfonic acid / thionyl chloride Synthesis of Synthesis Red 3B decentralized copper phthalocyanine sulfonyl chloride and sulfonyl chloride. The use of NMR, IR and mass spectrometry to characterize the synthesized sulfonyl chloride structure, the structure is correct. Using the Schotten-Baumann reaction, the feed water and a mixed solvent of tetrahydrofuran was synthesized five polyvinyl amine crosslinkable polymeric dye 3-1b ,3-2b ,3-3b ,3-4b and 3-5b. Infrared spectroscopy proved that the synthesized dye sulfonamide group present. And in an aqueous medium with Reactive Brilliant Blue X-BR and bromine acid reaction got two blue polyethylene amine crosslinkable polymeric dye effects of reaction conditions on the reaction. Using diazotization, coupling methods polyethylene amine crosslinkable polymeric dye, namely the use of p-acetyl chloride and 1 - acetyl-4 - naphthalene sulfonyl chloride were reacted with polyethylene amines containing an aromatic ring the structure of the intermediate polymer polyethylene amine, and then the acidic water-containing intermediate polymer to the acetyl group liberated, respectively, after diazotization and coupling components of the type of coupling, obtained crosslinked polymer of polyethylene amine dyes .

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