Anti-ultraviolet PET fiber and preparation method thereof
An anti-ultraviolet and fiber technology, applied in the field of chemical fiber, can solve the problems of low melting temperature, short service time, poor anti-ultraviolet performance, etc., and achieve the effects of good mechanical properties, long service time, high melting temperature and thermal decomposition temperature
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Embodiment 1
[0048] A preparation method of anti-ultraviolet PET fiber, the steps are:
[0049] (1) Preparation of hollow porous microspheres of composite phenyl salicylic acid:
[0050] 1) styrene, Bis-GMA, DMPOH and phenyl salicylic acid are dissolved in DMF to obtain an electrospray solution, wherein in the electrospray solution, Bis-GMA accounts for 5wt% of the total amount of styrene and Bis-GMA, DMPOH Accounting for 1.0wt% of the total amount of styrene and Bis-GMA, phenyl salicylic acid accounts for 6wt% of the total amount of styrene and Bis-GMA, and DMF accounts for 100wt% of the total amount of styrene and Bis-GMA;
[0051] 2) Under the condition of visible light with a wavelength of 400nm, carry out electrostatic spraying to prepare hollow porous microspheres of composite phenyl salicylic acid, wherein the parameters of electrostatic spraying are:
[0052] Output voltage of high voltage power supply: 10kV;
[0053] The distance between the spray port and the coagulation bath: ...
Embodiment 2
[0065] A preparation method of anti-ultraviolet PET fiber, the steps are:
[0066] (1) Prepare the hollow porous microspheres of composite p-tert-butyl salicylate:
[0067] 1) styrene, EBPADMA, CQ and p-tert-butyl salicylate are dissolved in chloroform to obtain an electrospray solution, wherein in the electrospray solution, EBPADMA accounts for 8wt% of styrene and EBPADMA total amount, and CQ accounts for benzene 1.1wt% of the total amount of ethylene and EBPADMA, p-tert-butyl salicylate accounts for 11wt% of the total amount of styrene and EBPADMA, and chloroform accounts for 73wt% of the total amount of styrene and EBPADMA organic monomers;
[0068] 2) Under the condition of visible light with a wavelength of 430nm, carry out electrostatic spraying and make composite hollow porous microspheres of p-tert-butyl salicylate, wherein the parameters of electrostatic spraying are:
[0069] Output voltage of high voltage power supply: 11kV;
[0070] The distance between the spray...
Embodiment 3
[0083] A preparation method of anti-ultraviolet PET fiber, the steps are:
[0084] (1) Preparation of hollow porous microspheres of composite 2-hydroxyl-4-methoxybenzophenone:
[0085] 1) The mixture of styrene, UDMA, DMPOH and CQ (mass ratio is 1:2) and 2-hydroxyl-4-methoxybenzophenone are dissolved in dichloromethane to obtain the electrospray solution, wherein the electrospray solution Among them, UDMA accounts for 10wt% of the total amount of styrene and UDMA, the mixture of DMPOH and CQ accounts for 0.5wt% of the total amount of styrene and UDMA, and 2-hydroxy-4-methoxybenzophenone accounts for the total amount of styrene and UDMA. 20wt% of the amount, dichloromethane accounts for 80wt% of the total amount of styrene and UDMA;
[0086]2) Under the condition of visible light with a wavelength of 450nm, carry out electrostatic spraying and make composite hollow porous microspheres of 2-hydroxyl-4-methoxybenzophenone, wherein the parameters of electrostatic spraying are:
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