PBT bamboo charcoal elastic fiber
A technology of elastic fiber and bamboo charcoal fiber, which is applied in the field of fiber, can solve the problems of ineffective guarantee of product quality and uneven quality of bamboo charcoal products, and achieve the effect of bright color, good drapability, strong longitudinal and transverse strength
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Embodiment 1
[0020] A PBT bamboo charcoal elastic fiber comprises the following components by weight: 50% of polyol, 50% of dibasic acid, 40% of PET, 20% of bamboo charcoal fiber, 10% of glycerin, 5% of coupling agent and 5% of antioxidant.
[0021] The polyol is 30% of 1,4-butanediol, the dibasic acid includes 30% of terephthalic acid, sodium sulfonate is added to the dibasic acid, and 20% of fuming sulfuric acid is added simultaneously, the The purity of terephthalic acid is 78%, the molar ratio of the polyhydric alcohol to the dibasic acid is 3:4, the bamboo charcoal fiber is selected from nano-scale bamboo charcoal micropowder, and the bamboo charcoal micropowder slurry is made by adding a dispersant after activation.
[0022] A preparation method of PBT bamboo charcoal elastic fiber, comprises the steps:
[0023] S1: Drying, put the above raw materials into a desiccator for drying treatment, stir evenly, and add coupling agent and antioxidant at the same time to prepare PBT raw materi...
Embodiment 2
[0028] A PBT bamboo charcoal elastic fiber comprises the following components by weight: 20% of polyol, 20% of dibasic acid, 20% of PET, 10% of bamboo charcoal fiber, 5% of glycerin, 2% of coupling agent and 2% of antioxidant.
[0029] The polyol is 20% of 1,4-butanediol, 2% of glycerol, the dibasic acid includes 20% of terephthalic acid and 2% of succinic acid, and sodium sulfonate is added to the dibasic acid , add 20% oleum simultaneously, the purity of described terephthalic acid is 60%, the mol ratio of described polyhydric alcohol and dibasic acid is 3: 5:, described bamboo charcoal fiber selects nanoscale bamboo charcoal micropowder for use, after Activate and add dispersant to make bamboo charcoal micropowder slurry.
[0030] Method step is the same as embodiment 1, and different processing parameters are as follows:
[0031] The drying temperature is 180°C, the screw temperature is 250°C, and the reaction time is 1h.
Embodiment 3
[0033] A PBT bamboo charcoal elastic fiber comprises the following components by weight: 35% of polyol, 35% of dibasic acid, 30% of PET, 15% of bamboo charcoal fiber, 8% of glycerin, 4% of coupling agent and 4% of antioxidant.
[0034] The polyhydric alcohol is 25% of 1,4-butanediol, 4% of glycerol, and 4% of diethylene glycol, and the dibasic acid includes 25% of terephthalic acid, 4% of succinic acid, hexane 4% diacid, sodium sulfonate is added in the dibasic acid, and 20% oleum is added simultaneously, the purity of the terephthalic acid is 70%, and the molar ratio of the polyhydric alcohol to the dibasic acid is 2 : 3, the bamboo charcoal fiber selects nanoscale bamboo charcoal micropowder for use, adds dispersant through activation and makes bamboo charcoal micropowder emulsion.
[0035] Method step is the same as embodiment 1, and different processing parameters are as follows:
[0036] The drying temperature is 200°C, the screw temperature is 270°C, and the reaction ti...
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Abstract
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