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Recycled plastic and preparation method thereof

A technology of recycled plastics and waste plastics, applied in the field of polymer materials, can solve the problems of not being able to improve the wettability of plastics and fibers, low strength and toughness of plastic alloys, weak interface adhesion, etc., to achieve rigidity and toughness Improvement, strong interfacial cohesion, and strong interfacial cohesion

Inactive Publication Date: 2018-11-30
HUNAN YINGHONG SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The strength and toughness of the plastic alloy obtained in this invention are all low, and the wettability between the plastic and the fiber cannot be improved well with the modification of the ceramic powder by the coupling agent, and the interfacial cohesion between the two is weak, The resulting plastic has poorer properties

Method used

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  • Recycled plastic and preparation method thereof

Examples

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Effect test

Embodiment 1

[0033] A recycled plastic, including the following components in mass percentage: waste plastic 75%, waste ceramic powder 10%, titanate coupling agent 201 0.5%, monoglyceride 0.5%, floating beads 5%, SBS 2 %, maleic anhydride grafted ethylene-propylene copolymer 3%, 4-methylcatechol 1%, ferric ammonium sulfate 2%, phthalate 1%; the fineness of the floating beads is 100- 200 mesh.

[0034] Preparation method: 1) Add waste ceramic powder, coupling agent, monoglyceride, and floating beads into the mixer according to the stated ratio and mix for 1.5 hours. The mixing temperature is 80°C, and the mixture is obtained after thorough mixing;

[0035] 2) Add the dried waste plastics and SBS into the mixer according to the stated ratio and mix for 40 minutes. The mixing temperature is 110°C. After fully mixing, the temperature is raised to 140°C, and the mixture obtained in step 1) and grafted with maleic anhydride are added. Ethylene-propylene copolymer, 4-methylcatechol, ferric ammon...

Embodiment 2

[0038]A recycled plastic, including the following components in mass percentage: waste plastic 65%, waste ceramic powder 10%, titanate coupling agent 201 1%, monoglyceride 0.3%, floating beads 7.7%, SBS 4 %, maleic anhydride grafted ethylene-propylene copolymer 5%, 4-methylcatechol 1%, ferric ammonium sulfate 3%, phthalate 3%; the fineness of the floating beads is 200- 300 mesh.

[0039] Preparation method: 1) Add waste ceramic powder, coupling agent, monoglyceride, and floating beads into the mixer according to the stated ratio and mix for 1.5 hours. The mixing temperature is 90°C, and the mixture is obtained after fully mixing;

[0040] 2) Add the dried waste plastics and SBS into the mixer according to the stated ratio and mix for 50 minutes. The mixing temperature is 120°C. After fully mixing, the temperature is raised to 140°C. Add the mixture obtained in step 1), maleic anhydride grafted Ethylene-propylene copolymer, 4-methylcatechol, ferric ammonium sulfate and phthala...

Embodiment 3

[0043] A recycled plastic, including the following components in mass percentage: waste plastic 60%, waste ceramic powder 15%, titanate coupling agent 201 2%, monoglyceride 0.1%, floating beads 10%, SBS 3 %, maleic anhydride grafted ethylene-propylene copolymer 3.5%, 4-methylcatechol 2%, ferric ammonium sulfate 2.4%, phthalate 2%; the fineness of the floating beads is 300- 400 mesh.

[0044] Preparation method: 1) Add waste ceramic powder, coupling agent, monoglyceride, and floating beads into a mixer according to the stated ratio and mix for 1 hour at a mixing temperature of 100°C, and mix thoroughly to obtain a mixture;

[0045] 2) Add the dried waste plastics and SBS into the mixer according to the stated ratio and mix for 30 minutes. The mixing temperature is 120°C. After fully mixing, the temperature is raised to 130°C. Add the mixture obtained in step 1), maleic anhydride grafting Ethylene-propylene copolymer, 4-methylcatechol, ferric ammonium sulfate and phthalate were...

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Abstract

The invention discloses a recycled plastic. The recycled plastic comprises the following components in percentages by mass: 60-75% of waste plastics, 10-15% of waste ceramic powder, 0.5-2% of a coupling agent, 0.1-0.5% of monostearin, 5-10% of floating beads, 2-4% of SBS, 3-5% of a maleic anhydride grafted ethylene-propylene copolymer, 1-2% of 4-methylcatechol, 2-3% of ammonium ferric sulfate, and1-3% of phthalate. According to the recycled plastic disclosed by the invention, the 4-methylcatechol, the ammonium ferric sulfate, the floating beads are added and mixed with other raw materials, sothat full modification can be performed on the surface of the ceramic powder, and the difference between the polyolefin plastics and the ceramic powder can be reduced; and the ceramic powder and theplastics have good compatibility and strong interfacial adhesion, and the obtained recycled plastic has improved rigidity and toughness compared with a pure plastic substrate, and significantly-improved wear resistance, durability, corrosion resistance and heat resistance.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, and in particular relates to a recycled plastic and a preparation method thereof. Background technique [0002] Toughness and rigidity are two important mechanical indicators of plastics. How to obtain a plastic with a balance of rigidity and toughness has always been a difficult problem for people. So far, the general reinforcement modification has mostly achieved the purpose of increasing the rigidity and strength of the material by adding fillers such as glass fiber, carbon fiber, and ceramic powder. Although the use of these fillers to reinforce plastics has achieved great success in the industry, there are still some insurmountable problems, such as the toughness and processing performance of the material have been greatly reduced, and the rigidity and toughness of the plastic must be improved at the same time. is very difficult. At present, there is no ceramic powder used as mod...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L101/00C08L51/06C08L53/02C08K13/06C08K3/013C08K3/30C08K5/12C08K5/13
CPCC08K3/013C08K3/30C08K5/12C08K5/13C08K13/06C08L51/06C08L53/02C08L101/00C08L2207/20
Inventor 游一兰方映杰陈建平游和求
Owner HUNAN YINGHONG SCI & TECH
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