Special high impact resistant polypropylene pipe material
A special material for pipe materials, high impact resistance technology, applied in the direction of pipes, rigid pipes, pipes/pipe joints/pipe fittings, etc., can solve the problems of nucleating agent agglomeration, dispersion and unevenness, and achieve improved impact strength, high retention rate, comprehensive Excellent performance
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Specific embodiment one
[0028] Surface modification of β-crystal nucleating agent 2,6-phthalic acid cyclohexamide by surface modifier silane coupling agent: add β-crystal nucleating agent to the reaction kettle, and then add a certain amount of silane coupling agent Coupling agent, under the condition of water bath temperature of 60 ℃ and magnetic stirring, after continuous reflux for 5 hours, filtering, washing, and drying to obtain beta crystal nucleating agent; wherein the amount of silane coupling agent is wt10 of the beta crystal nucleating agent %.
[0029] 100 parts of polypropylene resin,
[0030] 0.125 part of β-crystal nucleating agent after surface modification,
[0031] Antioxidant 1010 0.15 parts,
[0032] Antioxidant 168 0.15 parts,
[0033] Halogen absorber calcium stearate 0.1 part;
[0034] The above components are added into a high-speed mixer, mixed for 5 minutes, and then extruded and granulated by a twin-screw extruder at 190°C to 230°C to obtain a s...
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Specific embodiment two
[0035] Surface modification of β-crystal nucleating agent 2,6-phthalic acid cyclohexamide is carried out by using surface modifier lanthanum oxide sol: β-crystal nucleating agent is added to the reaction kettle, and then a certain amount of oxidizing agent is added. Lanthanum sol, under the condition of water bath temperature of 50 ℃ and magnetic stirring, after continuous reflux for 6 hours, filtered, washed, and dried to obtain beta crystal nucleating agent; the dosage of lanthanum oxide sol is 10% by weight of the beta crystal nucleating agent .
[0036] 100 parts of polypropylene resin,
[0037] 0.15 part of β-crystal nucleating agent after surface modification,
[0038] Antioxidant 1010 0.1 part,
[0039] Antioxidant 168 0.1 part,
[0040] Halogen absorber zinc stearate 0.1 part;
[0041] The above components are added into a high-speed mixer, mixed for 5 minutes, and then extruded and granulated by a twin-screw extruder at 190°C to 230°C to ...
Example Embodiment
Specific embodiment 3
[0042]Surface modification of β-crystal nucleating agent N,N'-dicyclohexyl-2,6-naphthalenediamide by surface modifier octadecyltrichlorosilane: First, the β-crystal nucleating agent was added to A certain amount of heptane and magnetic stirring. Draw a certain amount of octadecyltrichlorosilane with a micro syringe, inject it into the suspension at one time with stirring, stir until the nucleating agent is uniformly dispersed in the solution, and continue stirring for 20 min. After filtration, wash with acetone and alcohol for several times to remove free self-assembly modifier molecules. The modified nucleating agent was vacuum-dried to finally obtain a sample. The dosage of octadecyltrichlorosilane is 15% of the mass of the beta crystal nucleating agent, and the amount of heptane is 10 times the mass of the beta crystal nucleating agent.
[0043] 100 parts of polypropylene resin,
[0044] 0.15 part of β-crystal nucleating agent after surface modifi...
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