Composite for road barrier

A composite material and isolation pier technology, applied in the field of materials, can solve the problem of further improvement of anti-aging properties, and achieve the effects of delaying the decline or loss of properties, enhancing mechanical properties and chemical properties, and improving interaction.

Inactive Publication Date: 2018-10-16
芜湖盈奇塑业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the anti-aging performance of polypropylene needs to be further improved to meet the performance requirements of practical applications

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] A composite material for an isolation pier, the raw materials of which include by weight: 80 parts of polypropylene resin, 10 parts of modified anti-aging agent, 20 parts of polyethylene resin, 1 part of phthalate, 3 parts of o-hydroxydiphenyl Ketones, 2 parts of silane coupling agent, 7 parts of aluminum diethyl hypophosphite, 5 parts of white carbon black;

[0013] Wherein, the preparation process of the modified anti-aging agent is as follows: uniformly mix nano-titanium dioxide and aminosilane, heat to 80° C., stir for 1 hour, and the stirring speed is 200 r / min. After cooling, suction filter and dry to obtain powder; Dissolve carboxymethyl cellulose in N,N-dimethylformamide, add powder, stir for 5 minutes, react at 100°C for 2 hours, centrifuge to obtain a precipitate, and obtain a modified anti-aging agent;

[0014] The weight ratio of the carboxymethylcellulose to the powder is 5:2;

[0015] The preparation method of the composite material for the isolation pier...

Embodiment 2

[0017] A composite material for an isolation pier, the raw materials of which include by weight: 55 parts of polypropylene resin, 15 parts of modified anti-aging agent, 15 parts of polyethylene resin, 5 parts of phthalate, 1 part of o-hydroxydiphenyl Ketones, 7 parts of silane coupling agent, 1 part of aluminum diethyl hypophosphite, 10 parts of white carbon black;

[0018] Wherein, the preparation process of the modified anti-aging agent is as follows: uniformly mix nano-titanium dioxide and aminosilane, heat to 50° C., stir for 2 hours, and the stirring speed is 100 r / min. After cooling, suction filter and dry to obtain powder; Dissolve carboxymethyl cellulose in N,N-dimethylformamide, add powder, stir for 10 minutes, place at 95°C for 3 hours, centrifuge to obtain a precipitate, and obtain the modified anti-aging agent;

[0019] The weight ratio of the carboxymethyl cellulose to the powder is 4:3;

[0020] The preparation method of the composite material for the isolation ...

Embodiment 3

[0022] A composite material for an isolation pier, the raw materials of which include by weight: 70 parts of polypropylene resin, 11 parts of modified anti-aging agent, 19 parts of polyethylene resin, 2 parts of phthalate, 2.5 parts of o-hydroxydiphenyl Ketones, 3 parts of silane coupling agent, 5 parts of aluminum diethyl hypophosphite, 6 parts of white carbon black;

[0023] Wherein, the preparation process of the modified anti-aging agent is as follows: uniformly mix nano-titanium dioxide and aminosilane, heat to 70°C, stir and react for 1 hour, the stirring speed is 160r / min, suction filter after cooling, and dry to obtain powder; Dissolve carboxymethyl cellulose in N,N-dimethylformamide, add powder, stir for 6 minutes, place at 98°C for 2 hours, centrifuge to obtain a precipitate, and obtain the modified anti-aging agent;

[0024] The weight ratio of the carboxymethyl cellulose to the powder is 5:3;

[0025] The preparation method of the composite material for the isolat...

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Abstract

The invention discloses a composite for a road barrier. The composite comprises the following raw materials: polypropylene resin, a modified antiaging agent, polyethylene resin, phthalic acid ester, o-hydroxybenzophenone, a silane coupling agent, diethyl aluminum hypophosphite and white carbon black. The modified antiaging agent is added and has good compatibility with the polypropylene resin andother raw materials; damage to a resin matrix due to ultraviolet rays can be effectively reduced; aging degradation caused by molecular chain breakage of the resin matrix is retarded; and aging resistance and mechanical properties of the composite are greatly improved.

Description

technical field [0001] The invention relates to the field of material technology, in particular to a composite material for an isolation pier. Background technique [0002] Polypropylene has good comprehensive mechanical properties, heat resistance, chemical resistance, insulation, molding performance and low density, and its cost is relatively low, so its application range is very wide. The application fields of polypropylene involve auto parts, electrical parts, chemical equipment, building materials, insulating materials, packaging materials, textile materials, fishing nets, daily necessities, etc. The application field of polypropylene is still expanding year by year, and the growth rate of its output has been ranking first among general-purpose plastics in recent years. However, the anti-aging performance of polypropylene needs to be further improved to meet the performance requirements of practical applications. Contents of the invention [0003] Based on the techn...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L23/06C08L1/28C08K13/06C08K9/06C08K3/22C08K5/5313C08K3/36
CPCC08L23/12C08K2003/2241C08K2201/011C08L2201/08C08L2205/03C08L23/06C08L1/286C08K13/06C08K9/06C08K3/22C08K5/5313C08K3/36
Inventor 张先根
Owner 芜湖盈奇塑业有限公司
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