Photochromic carbon fibers based on inorganic materials and preparation method thereof
A photochromic, inorganic material technology, applied in the field of carbon fiber, to achieve the effect of strong bonding and simple preparation process
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Embodiment 1
[0021] A kind of preparation method of the photochromic carbon fiber based on inorganic material of the present invention, described method comprises the following steps:
[0022] (1) Preparation of dispersant: 0.1 mol of sodium methacrylate and 0.03 mol of allyl polyoxyethylene ether monomer with a degree of polymerization of 23 were simultaneously dissolved in 200 mL of deionized water to prepare a monomer solution for later use; Then, under stirring conditions, the temperature is controlled at 79-81°C, and the configured monomer and 50mL ammonium persulfate initiator aqueous solution are respectively added dropwise to a four-necked flask filled with 100mL deionized water, wherein the ammonium persulfate The mass accounts for 0.3% of the total mass of the monomer, and the dropping time is controlled at 2.5h. After the dropping is completed, it is kept warm for 3.5h; finally cooled to obtain the dispersant; the weight average weight of the dispersant is measured by gel permeat...
Embodiment 2
[0027] A kind of preparation method of the photochromic carbon fiber based on inorganic material of the present invention, described method comprises the following steps:
[0028] (1) Preparation of dispersant: a certain quality of sodium methacrylate and allyl polyoxyethylene ether monomer with a degree of polymerization of 23 were simultaneously dissolved in 200 mL of deionized water to prepare a monomer solution for subsequent use. , the molar ratio of sodium methacrylate to allyl polyoxyethylene ether is 1:0.2; then, under stirring conditions, the temperature is controlled at 79-81°C, and the configured monomer and 50mL ammonium persulfate initiator The aqueous solution was added dropwise to four-necked flasks equipped with 100mL deionized water, wherein the mass of ammonium persulfate accounted for 0.1% of the total mass of the monomer, and the dropping time was controlled at 2h. After the dropping was completed, the temperature was kept for 3h; , that is, a dispersant is...
Embodiment 3
[0033] A kind of preparation method of the photochromic carbon fiber based on inorganic material of the present invention, described method comprises the following steps:
[0034] (1) Preparation of dispersant: Dissolve a certain quality of sodium methacrylate and allyl polyoxyethylene ether monomer with a degree of polymerization of 23 in 200 mL of deionized water at the same time to prepare a monomer solution for later use. Among them, The molar ratio of sodium methacrylic sulfonate to allyl polyoxyethylene ether is 1:0.4; then, under stirring conditions, the temperature is controlled at 79-81°C, and the prepared monomer is mixed with 50mL of ammonium persulfate initiator aqueous solution Add dropwise to four-necked flasks equipped with 100mL deionized water, wherein the quality of ammonium persulfate accounts for 0.4% of the total mass of the monomer, and the dropping time is controlled at 3h. After the dropping is completed, keep warm for 4h; finally cool, That is, the dis...
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