Melt-spinnable spandex resin and production method thereof
A melt spinning and spandex technology, applied in the field of material chemistry and polymer synthesis, can solve the problems of limited application and not many, and achieve the effect of reducing spinning cost, improving mechanical properties, and overcoming material decomposition.
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Embodiment 1
[0039] First synthesize TPT-dimethyl active monomer: 100 grams of terephthalic acid are dissolved in 500 milliliters of DMF solvents; Simultaneously, 15 grams of p-phenylenediamine are dissolved in 200 milliliters of DMF, then slowly add in the terephthalic acid solution (30 minutes), after stirring for half an hour, 250 milliliters of methanol was added, and the reaction temperature was raised to 150° C., and after 15 minutes, the product was cooled, washed with toluene, washed with acetone, and dried overnight at 70° C.
[0040] Synthesis of TPT-PEO from TPT-dimethyl active monomer. The synthesis was carried out in a reaction kettle with mechanical stirring function under nitrogen protection, 4.32 grams of TPT-dimethyl active monomer, 10 grams of PEO 600 For the monomer, the temperature was raised to 180°C, and 1 ml of 0.05M isopropyl titanate m-xylene solution was added into the reaction system as a catalyst for the reaction. After 30 minutes, the reaction temperature was rai...
Embodiment 2
[0042] First synthesize TPT-didecanyl active monomer: 100 grams of terephthalic acid are dissolved in 500 milliliters of DMF solvents; 15 grams of p-phenylenediamine are dissolved in 200 milliliters of DMF simultaneously, then slowly add in the terephthalic acid solution (drops Add about 30 minutes), add 250 milliliters of decanol after stirring for half an hour, raise the reaction temperature to 75 DEG C simultaneously, the reaction time is 4 hours, the product is cooled, washed with toluene, washed with acetone, and dried overnight at 70 DEG C.
[0043] Synthesis of TPT-PEO from TPT-didecanyl active monomer. The synthesis was carried out in a reaction kettle with mechanical stirring function under nitrogen protection, 6.84 grams of TPT-didecanyl active monomer, 10 grams of PEO 3600 Monomer, 1 ml of 0.05M isopropyl titanate m-xylene solution was added to the reaction system as a reaction catalyst, mixed and extruded in a closed reaction kettle at 275 ° C, and then 1 ml of 0.0...
Embodiment 3
[0045] First synthesize TPT-dimethyl active monomer: 100 grams of terephthalic acid are dissolved in 500 milliliters of DMF solvents; Simultaneously, 15 grams of p-phenylenediamine are dissolved in 200 milliliters of DMF, then slowly add in the terephthalic acid solution (30 minutes), after stirring for half an hour, 250 milliliters of methanol was added, and the reaction temperature was raised to 160° C., and after 15 minutes, the product was cooled, washed with toluene, washed with acetone, and dried overnight at 70° C.
[0046] Synthesis of TPT-PPO from TPT-dimethyl active monomer. The synthesis was carried out in a reaction kettle with mechanical stirring function under nitrogen protection, 4.32 grams of TPT-dimethyl active monomer, 10 grams of PPO 2000 For the monomer, the temperature was raised to 150°C, and 1 ml of 0.05M isopropyl titanate m-xylene solution was added into the reaction system as a catalyst for the reaction. After 30 minutes, the reaction temperature was ...
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