Modified PVC (polyvinyl chloride) resin material for soles of outdoor shoes
A PVC resin and technology for shoe soles, applied in the field of outdoor shoe materials, can solve the problems of poor impact resistance, reduced mechanical properties, high hardness, etc., and achieve the effects of excellent anti-aging performance, moderate elasticity of shoe soles, and good impact strength
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Embodiment 1
[0016] The formulation of the modified PVC resin material for outdoor shoe soles described in this embodiment is as follows (parts by weight): PVC resin: 100 parts, DOTP: 10 parts, epoxy soybean oil: 10 parts, polyvinyl butyral: 25 parts Parts, carbon fiber (10 μm in diameter, 100 μm in length): 20 parts, hydroxy-terminated styrene-butadiene liquid rubber: 10 parts, polyethylene wax: 0.5 parts, stearic acid: 2.0 parts, calcium zinc stabilizer (CZ-1): 4 parts. The preparation process is as follows: Stir each component in the formula evenly in a high-speed mixer, then banbury in a banbury mixer at a temperature range of 150°C, then process through twin-screw extrusion, and then granulate through single-screw extrusion. The material is fed by a cyclone separator, screened by a vibrating screen and then packaged to obtain a modified PVC resin material.
Embodiment 2
[0018] The formula of the modified PVC resin material for outdoor shoe soles described in this embodiment is as follows (parts by weight): PVC resin: 100 parts, DOTP: 12 parts, epoxy soybean oil: 8 parts, polyvinyl butyral: 30 parts Parts, carbon fiber (10 μm in diameter, 100 μm in length): 25 parts, hydroxy-terminated styrene-butadiene liquid rubber: 8 parts, polyethylene wax: 0.5 parts, stearic acid: 1.8 parts, calcium zinc stabilizer (CZ-1): 4 parts. The preparation process is as follows: Stir each component in the formula evenly in a high-speed mixer, then banbury in a banbury mixer at a temperature range of 150°C, then process through twin-screw extrusion, and then granulate through single-screw extrusion. The material is fed by a cyclone separator, screened by a vibrating screen and then packaged to obtain a modified PVC resin material.
Embodiment 3
[0024] Compared with embodiment 1, embodiment 3 only lies in using different calcium zinc stabilizers. The calcium-zinc stabilizer in the present embodiment is by the modified barium zeolite of 15 parts by weight, the calcium stearate of 12 parts by weight, the zinc stearate of 10 parts by weight, the phosphite ester of 6 parts by weight and the pentaerythritol of 8 parts by weight Stearate is kneaded at 100°C for 30 minutes. The pore diameter in the barium zeolite is 0.35-0.39nm, and the density is 2.7-2.8g / cm 3 . The modified barium zeolite refers to the use of a mixed aqueous solution of 8wt% oxalic acid and 0.5wt% amino trimethylene phosphonic acid to treat the barium zeolite for 20 hours, and then use alkali to neutralize to neutrality, after washing dried, and then calcined at 200° C. for 3 hours to obtain the modified barium zeolite.
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