Self-cleaning material for signal lines and preparation method thereof
A self-cleaning and signal line technology, applied in the field of polymer materials, can solve the problems of signal lines that do not have self-cleaning function, no appearance, low surface energy, etc., and achieve the effect of bright appearance, reasonable process and good weather resistance
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Embodiment 1
[0033] This embodiment provides a self-cleaning material for signal lines, which is made of the following components in parts by weight:
[0034]
[0035] The PS-b-PDMS-b-PS block copolymer uses n-butyllithium as an initiator, cyclohexane as a solvent, tetrahydrofuran as a polarity regulator, and dichlorodimethylsilane as a coupling agent. Polystyrene-b-polydimethylsiloxane-b-polystyrene block copolymer prepared by coupling reaction and anion polymerization. The molecular weight Mn of this polymer is 22120g / mol, and the content of polydimethylsiloxane segment is between 22-33%. Paper Polystyrene-b-polydimethylsiloxane-b-polystyrene triblock copolymer synthesis and its modified epoxy coating.
[0036] The POE-g-MAH is a maleic anhydride grafted ethylene-octene copolymer prepared by a solvothermal synthesis method, and the grafting rate is 5-10%.
[0037] The fluorinated diisocyanate is OCNCH 2 CH 2 (CF 2 )nCH 2 CH 2 NCO, OCN (CF 2 ) 3 NCO, NCOCH 2 (CF 2 ) 4 CH 2...
Embodiment 2
[0052] Embodiment 2: A self-cleaning material for signal lines and its preparation method provided in this embodiment are basically the same as in Embodiment 1, except that:
[0053] A self-cleaning material for signal lines, which is made of the following components in parts by weight:
[0054]
[0055] The PS-b-PDMS-b-PS block copolymer uses n-butyllithium as an initiator, cyclohexane as a solvent, tetrahydrofuran as a polarity regulator, and dichlorodimethylsilane as a coupling agent. Polystyrene-b-polydimethylsiloxane-b-polystyrene block copolymer prepared by coupling reaction and anionic polymerization method, wherein the content of polydimethylsiloxane segment is 22% .
[0056] The POE-g-MAH is a maleic anhydride grafted ethylene-octene copolymer prepared by a solvothermal synthesis method, and the grafting rate is 5%.
[0057] The fluorinated diisocyanate is OCNCH 2 CH 2 (CF 2 )nCH 2 CH 2 NCO, the range of n is 2, and NCOCH 2 (CF 2 ) 4 CH 2 A mixture of NC...
Embodiment 3
[0062] Embodiment 3: A self-cleaning material for signal lines and its preparation method provided in this embodiment are basically the same as Embodiments 1 and 2, except that:
[0063] A self-cleaning material for signal lines, which is made of the following components in parts by weight:
[0064]
[0065]
[0066] The PS-b-PDMS-b-PS block copolymer uses n-butyllithium as an initiator, cyclohexane as a solvent, tetrahydrofuran as a polarity regulator, and dichlorodimethylsilane as a coupling agent. Polystyrene-b-polydimethylsiloxane-b-polystyrene block copolymer prepared by coupling reaction and anionic polymerization method, wherein the content of polydimethylsiloxane segment is 27% .
[0067] The POE-g-MAH is a maleic anhydride grafted ethylene-octene copolymer prepared by a solvothermal synthesis method, and the grafting rate is 7%.
[0068] The fluorinated diisocyanate is OCNCH 2 CH 2 (CF 2 )nCH 2 CH 2 NCO, the value range of n is 16.
[0069] The processin...
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