Non-woven fabric material and preparation method thereof
A technology of non-woven fabrics and polylactic acid, which is applied in chemical instruments and methods, rayon manufacturing, textiles and papermaking, etc., can solve the problem of single function, and achieve the effect of short process flow, soft hand feeling and high porosity
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Embodiment 1
[0022] A kind of non-woven fabric, described non-woven fabric is made of the following components: 70 parts of polylactic acid, 25 parts of polyurethane, 15 parts of polyimide, 40 parts of chitosan, 8 parts of flow modifier , 2 parts of sodium alkylsulfonate antistatic agent, 3 parts of antibacterial agent ε-polylysine, 4 parts of flame retardant decabromobiphenyl;
[0023] Wherein, the preparation method of described non-woven fabric is as follows:
[0024] (1) take respectively by weight above-mentioned polylactic acid, polyurethane, polyimide, chitosan, flow modifier, antistatic agent, antibacterial agent, the mixed powder of fire retardant is dissolved in tetrahydrofuran and In the mixed solvent of DMF, prepare 10wt% electrospinning solution;
[0025] (2) Place the electrospinning solution in step (1) in an 8mL syringe, set the syringe pump to control the extrusion speed to 4mL / h, the spinning voltage to 26kV, and the distance between the spinning nozzle and the copper ne...
Embodiment 2
[0030] A kind of non-woven fabric, described non-woven fabric is made of following components: 60 parts of polylactic acid, 20 parts of polyurethane, 10 parts of polyimide, 30 parts of chitosan, 5 parts of flow modifier , 1 part of sodium alkylsulfonate antistatic agent, 2 parts of antibacterial agent ε-polylysine, 3 parts of flame retardant decabromobiphenyl;
[0031] Wherein, the preparation method of described non-woven fabric is as follows:
[0032] (1) take respectively by weight above-mentioned polylactic acid, polyurethane, polyimide, chitosan, flow modifier, antistatic agent, antibacterial agent, the mixed powder of fire retardant is dissolved in tetrahydrofuran and In the mixed solvent of DMF, prepare 8wt% electrospinning solution;
[0033] (2) Place the electrospinning solution in step (1) in an 8mL syringe, set the syringe pump to control the extrusion speed to 3mL / h, the spinning voltage to 22kV, and the distance between the spinning nozzle and the copper net to b...
Embodiment 3
[0038] A kind of non-woven fabric, described non-woven fabric is made of the following components: 80 parts of polylactic acid, 30 parts of polyurethane, 20 parts of polyimide, 45 parts of chitosan, 10 parts of flow modifier , 3 parts of sodium alkylsulfonate antistatic agent, 4 parts of antibacterial agent ε-polylysine, 6 parts of flame retardant decabromobiphenyl;
[0039] Wherein, the preparation method of described non-woven fabric is as follows:
[0040](1) take respectively by weight above-mentioned polylactic acid, polyurethane, polyimide, chitosan, flow modifier, antistatic agent, antibacterial agent, the mixed powder of fire retardant is dissolved in tetrahydrofuran and In the mixed solvent of DMF, prepare 15wt% electrospinning solution;
[0041] (2) Place the electrospinning solution in step (1) in an 8mL syringe, set the syringe pump to control the extrusion speed to 5mL / h, the spinning voltage to 32kV, and the distance between the spinning nozzle and the copper ne...
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