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Polypropylene anti-corrosion material based on biomass cytosine flame retardant

A technology of anti-corrosion material and cytosine, which is applied in the field of polypropylene anti-corrosion material preparation, can solve the problems that polypropylene is not resistant to high temperature, the quality of finished products is affected, and the flame-retardant effect of flame retardants varies greatly, so as to achieve good flame-retardant effect and reduce Dosage, Effect of Improving Integrity

Inactive Publication Date: 2019-12-17
厦门芒娅贸易有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the deficiencies of the prior art, the present invention provides a polypropylene anticorrosion material based on a biomass cytosine flame retardant, which solves the problem that the existing polypropylene is not resistant to high temperature, and at the same time solves the problem that the existing flame retardant The effect is very different, which has a great impact on the quality of the finished product

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] (1) Take 0.1 parts of cytosine flame retardant and 90 parts of polypropylene, melt and blend them in an internal mixer at 220-230 ℃ and 120 rpm / min for 10-15 minutes, and then add 3 parts of anti- Oxidizing agent and 1 part of toughening agent, blended for 2-3 h.

[0031] (2) Then put the material obtained in the above step (1) on a flat vulcanizing machine to press the plate, and finally extrude it with a twin-screw extruder. The extruded strip is cooled in a water tank and air cooled, and then introduced into a pelletizer for pelletizing and packaging , and then dried in a dryer for 5-8 hours, and finally injection molded into required test specimens at 215-225°C to prepare a polypropylene anti-corrosion material component 1 based on a biomass cytosine flame retardant.

Embodiment 2

[0033] (1) Take 0.2 parts of cytosine flame retardant and 92 parts of polypropylene, melt and blend them in an internal mixer at 220-230 ℃ and 120 rpm / min for 10-15 minutes, then add 3 parts of anti- Oxidant and 2 parts of toughening agent, blended for 2-3 h.

[0034] (2) Then put the material obtained in the above step (1) on a flat vulcanizing machine to press the plate, and finally extrude it with a twin-screw extruder. The extruded strip is cooled in a water tank and air cooled, and then introduced into a pelletizer for pelletizing and packaging , and then dried in a dryer for 5-8 hours, and finally injection-molded into required test specimens at 215-225°C to prepare a polypropylene anti-corrosion material component 2 based on a biomass cytosine flame retardant.

Embodiment 3

[0036] (1) Take 0.4 parts of cytosine flame retardant and 93 parts of polypropylene, melt and blend them in an internal mixer at 220-230 ℃ and 120 rpm / min for 10-15 minutes, then add 4 parts of anti- Oxidant and 3 parts of toughening agent, blended for 2-3 h.

[0037] (2) Then put the material obtained in the above step (1) on a flat vulcanizing machine to press the plate, and finally extrude it with a twin-screw extruder. The extruded strip is cooled in a water tank and air cooled, and then introduced into a pelletizer for pelletizing and packaging , and then dried in a dryer for 5-8 hours, and finally injection-molded into required test specimens at 215-225°C to prepare a polypropylene anti-corrosion material component 3 based on a biomass cytosine flame retardant.

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PUM

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Abstract

The invention relates to the technical field of preparation of polypropylene anti-corrosion materials, and discloses a polypropylene anti-corrosion material based on a biomass cytosine flame retardant, the polypropylene anti-corrosion material comprises the following raw materials in parts by weight: a cytosine flame retardant, polypropylene, an antioxidant and a toughening agent, wherein the toughening agent is a mixture of an ethylene-vinyl acetate copolymer, a thermoplastic elastomer and powdered rubber. According to the polypropylene anti-corrosion material based on the biomass cytosine flame retardant, tris (epoxypropyl) isocyano cytosine nucleotide is prepared from cytosine derivatives by condensation reaction between cytosine nucleotides and tris (epoxypropyl) isocyanurate, aluminumhydroxide is added to react with phosphoric acid groups to generate a salt, and a biomass cytosine aluminum salt with flame retardant effect is obtained; and the flame retardant improves the integrity of the polypropylene material in forming expanded carbon morphology, makes surface layer carbon of a carbon layer compact and the inner layer porous, thereby effectively improving the flame retardant efficiency of the polypropylene material, and has small addition amount and good flame retardant effect.

Description

technical field [0001] The invention relates to the technical field of preparation of polypropylene anticorrosion materials, in particular to a polypropylene anticorrosion material based on a biomass cytosine flame retardant. Background technique [0002] Polypropylene is a thermoplastic resin prepared by polymerizing propylene. It is a non-toxic, odorless, tasteless milky white high-crystallization polymer. It has good chemical and mechanical properties and high impact resistance. It is easy to process and low in price, and is widely used in plastics, chemicals, packaging, home appliances and other industries. However, polypropylene has disadvantages such as insufficient high temperature resistance strength, flammability and smoke generation, which greatly limits the application range of polypropylene materials. [0003] The intumescent flame retardant system has the advantages of low smoke, low toxicity, and no droplet. Adding an intumescent flame retardant to polypropylen...

Claims

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Application Information

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IPC IPC(8): C08L23/12C08L23/08C08K5/3492
CPCC08L23/12C08L2201/02C08L2205/035C08L23/0853C08K5/34928
Inventor 李达峰常玉光金慧春
Owner 厦门芒娅贸易有限公司
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