Anti-static poly(ethylene terephthalate) material and preparation method thereof
A technology of polyethylene terephthalate and ethylene terephthalate is applied in the field of antistatic polyethylene terephthalate material and its preparation, and can solve the problem of weakening and disappearing of antistatic effect, etc. problem, to achieve the effect of excellent antistatic performance, mild conditions and good compatibility
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[0022] Example 1
[0023] Preparation of antistatic agent: Weigh 1 mole of sodium polystyrene sulfonate and 1 mole of nano silver sol based on the sodium styrene sulfonate group and reflux in 500 ml of water for 5 hours, and then depressurize to vacuum at 80°C It is dried under the condition of 0.09MPa, is ground with a mechanical grinder, and grinds to a particle size of 0.1-5μm to obtain an antistatic agent.
[0024] Preparation of antistatic polyethylene terephthalate material: In parts by weight, weigh out 1,936 grams of polyethylene terephthalate, 60 grams of the antistatic agent prepared above, and 4 grams of antioxidant. After mixing uniformly, extrude and granulate at 255°C. Antioxidant is composed of tetrakis[β-(3,5-di-tert-butyl-4-hydroxyphenyl) propionic acid] pentaerythritol ester and tris(2,4-di-tert-butylphenyl) phosphite at a molar ratio of 1 : 2 composition.
Example Embodiment
[0025] Example 2
[0026] Preparation of antistatic agent: Weigh 1 mole of sodium polystyrene sulfonate and 1 mole of nano silver sol based on the sodium styrene sulfonate group, reflux for 6 hours in 500 ml of water, and depressurize to vacuum at 100°C It is dried under the condition of 0.08MPa and ground to a particle size of 0.1-5μm by a mechanical grinding method to obtain an antistatic agent.
[0027] Preparation of antistatic polyethylene terephthalate material: In parts by weight, weigh 1,863 grams of polyethylene terephthalate, 130 grams of antistatic agent prepared above, and antioxidant (same as Example 1) 7 grams, mixed uniformly, extruded and pelletized at 260°C.
Example Embodiment
[0028] Example 3
[0029] Preparation of antistatic agent: Weigh 1 mole of sodium polystyrene sulfonate and 1 mole of nano-silver sol based on the sodium styrene sulfonate group and reflux for 5.5 hours in 500 ml of water, and depressurize to vacuum at 90°C It is dried under the condition of 0.07MPa, and pulverized to a particle size of 0.1-5μm by a mechanical grinding method to obtain an antistatic agent.
[0030] Preparation of antistatic polyethylene terephthalate material: In parts by weight, weigh 1790 grams of polyethylene terephthalate, 200 grams of antistatic agent prepared above, and antioxidant (same as Example 1) 10 grams, mixed uniformly, extruded and pelletized at 265°C.
[0031] In the above embodiment, the raw material sodium polystyrene sulfonate is the product of Aldrich Company in the United States; the nano silver sol is the product of Lucky Company; the antioxidant is composed of tetra[β-(3,5-di-tert-butyl-4-hydroxyphenyl) ) Propionic acid] pentaerythritol este...
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