Preparation method of PLA modified material

[0027] A kind of preparation method of PLA modified material that the present invention proposes, comprises the following steps:

[0028] S1. Prepare the following components and their respective mass percentages: 22 parts of PLA, 22 parts of polyamide resin, 19 parts of carbon fiber, 13 parts of sodium perborate, 11 parts of montmorillonite, and 12 parts of diphenylmethane diisocyanate , 9 parts of activated carbon, 9 parts of modified nano titanium dioxide, 8 parts of polyol, 6 parts of polyvinyl alcohol, 3 parts of ultraviolet absorber, 3 parts of flame retardant, 2 parts of plasticizer, 1 part of antibacterial agent, 0.5 part of initiator ;

[0029] S2. Add the PLA, polyamide resin, montmorillonite, diphenylmethane diisocyanate and polyvinyl alcohol in step S1 to the ultrasonic disperser, disperse for 20min at a speed of 800r / h, and then transfer to mixing In the machine, sequentially add modified nano-titanium dioxide, carbon fiber, and activated carbon, stir evenly, and...

[0034] A kind of preparation method of PLA modified material that the present invention proposes, comprises the following steps:

[0035] S1. Prepare the following components and their respective mass percentages: 24 parts of PLA, 23 parts of polyamide resin, 19.5 parts of carbon fiber, 14 parts of sodium perborate, 12 parts of montmorillonite, and 12.5 parts of diphenylmethane diisocyanate , 10 parts of activated carbon, 10 parts of modified nano titanium dioxide, 8.5 parts of polyol, 7 parts of polyvinyl alcohol, 4 parts of ultraviolet absorber, 4 parts of flame retardant, 3 parts of plasticizer, 1.5 parts of antibacterial agent, 1 part of initiator ;

[0036] S2. Add the PLA, polyamide resin, montmorillonite, diphenylmethane diisocyanate and polyvinyl alcohol in step S1 to the ultrasonic disperser, disperse for 25min at a speed of 850r / h, and then transfer to mixing In the machine, add modified nano-titanium dioxide, carbon fiber, and activated carbon in sequence, stir eve...

[0041] A kind of preparation method of PLA modified material that the present invention proposes, comprises the following steps:

[0042] S1. Prepare the following components and their respective mass percentages: 26 parts of PLA, 24 parts of polyamide resin, 20 parts of carbon fiber, 15 parts of sodium perborate, 13 parts of montmorillonite, and 13 parts of diphenylmethane diisocyanate , 12 parts of activated carbon, 12 parts of modified nano titanium dioxide, 9 parts of polyol, 8 parts of polyvinyl alcohol, 5 parts of ultraviolet absorber, 5 parts of flame retardant, 4 parts of plasticizer, 2 parts of antibacterial agent, 1.3 parts of initiator ;

[0043] S2. Add the PLA, polyamide resin, montmorillonite, diphenylmethane diisocyanate and polyvinyl alcohol in step S1 to the ultrasonic disperser, disperse for 30min at a speed of 900r / h, and then transfer to mixing In the machine, sequentially add modified nano-titanium dioxide, carbon fiber, and activated carbon, stir evenly,...