Antistatic scratch-proof transparent BOPET film, and preparation method thereof
An antistatic and anti-scratch technology, applied in the field of PET materials, can solve problems such as abnormal quality, easy scratches, and high static electricity, and achieve high mechanical strength, cost savings, and improved production line yield.
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[0036] Example 1
[0037] An embodiment of the antistatic and scratch resistant transparent BOPET film of the present invention. The antistatic and scratch resistant transparent BOPET film of this embodiment includes 1 part by weight of nano-modified PET chips and 99 parts by weight of PET chips . The formula of the nano-modified PET chip is shown in Table 1.
[0038] In this embodiment, the method for preparing the modified functional nano-additive is as follows: 1 part by weight of 2 layers of graphene is first subjected to nitric acid reflux treatment at 100°C for 6 hours to generate active groups such as hydroxyl and carboxyl on the surface; Put 6 parts by weight of γ-mercaptopropyltrimethoxysilane (KH590) into the ethanol aqueous solution, stir for 4 hours at room temperature, and wash the unreacted KH590 on the graphene surface with toluene several times; finally, the surface has been chemically modified KH590 Place the graphene in the DMF solvent with 30 parts by weight of...
Example Embodiment
[0043] Example 2
[0044] An embodiment of the antistatic and scratch-resistant transparent BOPET film of the present invention. The antistatic and scratch-resistant transparent BOPET film of the present embodiment includes 1.5 parts by weight of nano-modified PET chips and 98.5 parts by weight of PET chips . The formula of the nano-modified PET chip is shown in Table 1.
[0045] In this embodiment, the method for preparing the modified functional nano-additive is as follows: 1 part by weight of 2 layers of graphene is first subjected to nitric acid reflux treatment at 120°C for 5 hours to generate active groups such as hydroxyl and carboxyl on the surface; Place in ethanol aqueous solution, add 10 parts by weight of γ-mercaptopropyltrimethoxysilane (KH590), mechanically stir at room temperature for 6 hours, and then wash the unreacted KH590 on the graphene surface with acetone several times; finally, the surface has been chemically modified KH590 Place the graphene in the DMF so...
Example Embodiment
[0050] Example 3
[0051] An embodiment of the antistatic and scratch-resistant transparent BOPET film of the present invention. The antistatic and scratch-resistant transparent BOPET film of the present embodiment includes 3 parts by weight of nano-modified PET chips and 97 parts by weight of PET chips . The formula of the nano-modified PET chip is shown in Table 1.
[0052] In this embodiment, the method for preparing the modified nano-functional additive is as follows: 1 part by weight of two layers of graphene is first subjected to a mixed acid of sulfuric acid and nitric acid at a high temperature of 100°C for 5 hours to produce hydroxyl groups and carboxyl groups on the surface. Active groups; then placed in an aqueous ethanol solution, adding 1 part by weight of γ-mercaptopropyltrimethoxysilane (KH590), mechanically stirring at room temperature for 5h, and then washing the unreacted KH590 on the graphene surface with toluene several times; finally The graphene whose surfac...
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