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Technological method for preparing novel asphalt modifier with H2O2 as raw material

An asphalt modifier, H2O2 technology, applied in building thermal insulation materials, building components, buildings and other directions, can solve the problems of complex process and low yield rate, and achieve the effects of uniform reaction, high yield rate and few production links

Active Publication Date: 2016-12-14
潍坊大耀新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This product can be used in the textile industry, emulsion slurry, etc. and the process is complex and the yield is low

Method used

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  • Technological method for preparing novel asphalt modifier with H2O2 as raw material
  • Technological method for preparing novel asphalt modifier with H2O2 as raw material
  • Technological method for preparing novel asphalt modifier with H2O2 as raw material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Example 1, a kind of H 2 o 2 A process for preparing a novel asphalt modifier for raw materials, comprising the following steps:

[0029] 1) Mix 300kg of low molecular weight, high density polyethylene powder, 600kg of deionized water, industrial H 2 o 2 Add 100kg of water, 0.6kg of polymerization inhibitor, 0.6kg of metallocene catalyst, 0.6kg of surfactant, etc. into the high-temperature pressure reaction kettle, stir for 30min, and make a suspension turbid liquid;

[0030] 2) Heating the suspended turbid liquid, the heating rate is controlled at 1.5°C / min, while stirring continuously, the rotating speed is 300r / min;

[0031] 3) Pressurize and heat up, and the pressure reaches 8.104×10 5 When the pressure is high, stop pressurizing, heat up to 120°C, hold for 72 hours, and keep stirring during the hold;

[0032] 4) Cooling and filtering: After the heat preservation and stirring period is over, it is cooled to room temperature naturally; the suspension after cooli...

Embodiment 2

[0038] Example 2, a kind of H 2 o 2 A process for preparing a novel asphalt modifier for raw materials, comprising the following steps:

[0039] 1) Mix 300kg of low molecular weight, high density polyethylene powder, 600kg of deionized water, industrial H 2 o 2 Add 150kg of water, 4.5kg of polymerization inhibitor, 6.0kg of metallocene catalyst, and 4.5kg of surfactant into a high-temperature pressure reactor, and stir for 30 minutes to make a suspension turbidity.

[0040] 2) Heating the suspended turbid liquid, the temperature rate is controlled at 1.5°C / min, and the temperature is kept while stirring continuously, and the rotation speed is 500r / min;

[0041] 3) Pressurize and heat up, and the pressure reaches 8.104×10 5 When the pressure is high, stop pressurizing, heat up to 120°C, hold for 72 hours, and keep stirring during the hold;

[0042] 4) Cooling and filtering: After the heat preservation and stirring period is over, the temperature is naturally lowered to roo...

Embodiment 3

[0048] Example 3, a kind of H 2 o 2 A process for preparing a novel asphalt modifier for raw materials, comprising the following steps:

[0049] 1) Mix 300kg of low molecular weight, high density polyethylene powder, 600kg of deionized water, industrial H 2 o 2 Add 110kg of water, 1.5kg of polymerization inhibitor, 1.5kg of metallocene catalyst, and 1.5kg of surfactant into the high-temperature pressure reaction kettle, stir for 30min, and make a suspension turbid liquid.

[0050] 2) Heating the suspended turbid liquid, the heating rate is controlled at 1.5°C / min, while stirring continuously, the rotating speed is 500r / min;

[0051] 3) Pressurize and heat up, and the pressure reaches 8.104×10 5 When the pressure is high, stop pressurizing, heat up to 120°C, hold for 72 hours, and keep stirring during the hold;

[0052] 4) Cooling and filtering: After the heat preservation and stirring period is over, the temperature is naturally lowered to room temperature; after cooling, t...

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Abstract

The invention relates to a technological method for preparing a novel asphalt modifier with H2O2 as a raw material. The novel asphalt modifier material adopts low-molecular-weight and high-density polyethylene powder as a raw material. According to the technological method, under a water bath environment, the oxidizing modification reaction is carried out on the polyethylene material with H2O2 as an oxidizing agent by keeping certain pressure and under the effect of a catalyst to prepare the environment-friendly oxidized polyethylene asphalt modifier.

Description

technical field [0001] The present invention relates to a kind of H 2 o 2 The invention discloses a process for preparing a new type of asphalt modifier as a raw material. The oxidized polyethylene asphalt modifier material is prepared by using low molecular weight polyethylene powder to undergo an oxidation modification reaction in a water bath environment, and belongs to the chemical technology field. Background technique [0002] Oxidized polyethylene is an improved product of polyethylene. Since the molecular chain of oxidized polyethylene has a certain amount of carbonyl and hydroxyl groups, it is an excellent new bipolar material, so it is compatible with asphalt, asphalt fillers, pigments, and polar resins. The compatibility is significantly improved, and the lubricity and dispersion are better than polyethylene materials, and it also has coupling properties. Oxidized polyethylene material has special properties such as low viscosity, high softening point, and good ...

Claims

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Application Information

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IPC IPC(8): C08F110/02C08F8/06C08L95/00C08L23/30
CPCC08F8/06C08L23/30C08F110/02C08L95/00
Inventor 王强
Owner 潍坊大耀新材料有限公司
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