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Research on the Synthesis and Properties of Hydrophilic Polyester Modified by Silicone

Author: YangAnMing
Tutor: ZhouXiangDong
School: Suzhou University
Course: Textile Chemistry and Dyeing and Finishing Engineering
Keywords: Hydrophilic polyester Organic silicon Antistatic Softness
CLC: TS195.2
Type: Master's thesis
Year: 2011
Downloads: 87
Quote: 0
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Abstract


Now the hydrophilic finishing of polyester fabrics on the market can make the finished fabric achieve good hydrophilic, but its handfeel can not get improved considerably. This topic based on the traditional polyester hydrophilic finishing methods and improved , developed a new kind of hydrophilic polyester finishing agent modified by organic silicone. Applying to polyester, aiming to make both hydrophilic and handfeel improve greatly.1. Using bulk polymerization process, while octamethylcy-clotetrasiloxane and saturated steam as raw materials, tetramethyl-ammonium Hydroxide as catalyst, to make a small molecule end hydroxy silicone.2. Using the end hydroxy silicone, DMT, PEG and EG as raw materials, zinc acetate and antimony trioxide as catalyst to make organsilicone-modified hydrophilic polyester finishing agent.3. Characterizing the structure and performance of organsilicone- modified hydrophilic polyester finishing agent and end hydroxy silicone with FTIR, Raman, ~1H-NMR,TG-DTA,SEM and XRD etc.4. The optimized synthesis process of organsilicone-modified hydrophilic polyester finishing agent was followed: the dosage of DMT ,PEG2000and hydroxy silicone was 8%,70%and 20% of total quality of monomer respectively. The ester exchange reaction temperature was 180℃and time for 3 hours., respectively. Polycondensation reaction was happened at 260℃for 2 hours.5. Researching the application of organsilicone-modified hydrophilic polyester fabric finishing agent on polyester fabric, the results showed that at 170g/L the dosage of hydrophilic finishing agent , 160℃for baking temperature and 2min baking time, the treated fabric’s hydrophilic, softness and finishing effect durability were much better. 6. The polyester fabric finished by the organic silicone modified hydrophilic polyester has good hydrophilic and antistatic properties, handfeel has improved considerably. After washing 30 times the finishing effect didn’t change, that was the effect durability was good. Meanwhile the tear strength and breaking strength presented a slight decline.

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CLC: > Industrial Technology > Light industry,handicrafts > Textile industry,dyeing and finishing industry > Dyeing and finishing industry > Finishing > Finishing with agent
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