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- W2357291246 abstract "DMDHEU resin was synthesized by one step method using glyoxal,urea and formaldehyde as raw materials,which was further etherized by diglycol.The synthesis and etherealization techniques were optimized.The results showed that the optimal formulation of synthesis of low formaldehyde resin was:glyoxal:urea:formaldehyde:diglycol(mol ratio)=1.0:1.0:1.7:1.0.The free formaldehyde content of DMDHEU resin was lower than 0.5% when DMDHEU was synthesized under the optimal synthesis technique i.e.pH value 5.7～5.9,reacted at 65～70 ℃ for 3.0 h.The optimal etherealization process was:pH value 3.0～3.3,etherized at 70 ℃ for 2.0～3.0 h,and the free formaldehyde content of synthesized resin declined to 0.2%,solid content was about 53.0%.The wrinkle recovery angle of finished cloth reached at 250°,the strength retention value was over 75%,the warp and weft washing shrinkage was 1.2% and 1.0%,respectively,and the content of releasing formaldehyde was 50 mg/kg.The quality of cloth met the demands of best quality." @default.
- W2357291246 created "2016-06-24" @default.
- W2357291246 creator A5044510114 @default.
- W2357291246 date "2009-01-01" @default.
- W2357291246 modified "2023-09-23" @default.
- W2357291246 title "Research on the synthesis of superlow formaldehyde resin" @default.
- W2357291246 hasPublicationYear "2009" @default.
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