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High-temperature-resistant composite modified asphalt for roads and preparation method thereof

A composite modified asphalt, high temperature resistant technology, applied in building thermal insulation materials, building components, buildings, etc., can solve the problems of poor binding force of asphalt mixture and insignificant overall performance improvement effect of asphalt pavement.

Pending Publication Date: 2021-03-19
闫梦楠
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there have been related researches on the application of waste glass to pavement in China, but the surface of waste glass is too smooth, the binding force with asphalt mixture is poor, and the effect of improving the overall performance of asphalt pavement is not obvious.

Method used

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  • High-temperature-resistant composite modified asphalt for roads and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] A high-temperature-resistant composite modified asphalt for roads. The raw material components are as follows: in parts by weight, 30 parts of n-hexylamine, 30 parts of functional polymers, 20 parts of activated waste glass powder, 50 parts of styrene, divinylbenzene 40 parts, 100 parts of epoxy pitch, 10 parts of dithiothreitol, 25 parts of zinc nitrate hexahydrate, 20 parts of potassium persulfate, 40 parts of sodium citrate, 80 parts of epoxy resin, 30 parts of aminoalkyl silane coupling agent , 30 parts of epoxy silane coupling agent, 80 parts of chain extender, 100 parts of carboxy silicone oil, 90 parts of mineral fiber, 30 parts of antioxidant, 60 parts of aggregate.

[0051] The functional polymer includes the following raw material components: in parts by weight, 10 parts of iodine, 20 parts of azobisisobutyronitrile, 50 parts of butadiene, 10 parts of 4-vinylbenzyl chloride, and 10 parts of initiator , 10 parts of potassium thioacetate, 18 parts of octadecyldi...

Embodiment 2

[0067] A high-temperature-resistant composite modified asphalt for roads. The raw material components are as follows: in parts by weight, 35 parts of n-hexylamine, 40 parts of functional polymers, 30 parts of activated waste glass powder, 55 parts of styrene, divinylbenzene 45 parts, 150 parts of epoxy pitch, 13 parts of dithiothreitol, 30 parts of zinc nitrate hexahydrate, 25 parts of potassium persulfate, 50 parts of sodium citrate, 85 parts of epoxy resin, 35 parts of aminoalkyl silane coupling agent , 35 parts of epoxy silane coupling agent, 90 parts of chain extender, 110 parts of carboxy silicone oil, 100 parts of mineral fiber, 35 parts of antioxidant, 70 parts of aggregate.

[0068] The functional polymer includes the following raw material components: in parts by weight, 15 parts of iodine, 25 parts of azobisisobutyronitrile, 60 parts of butadiene, 20 parts of 4-vinylbenzyl chloride, and 12 parts of initiator , 14 parts of potassium thioacetate, 19 parts of octadecyld...

Embodiment 3

[0084] A high-temperature-resistant composite modified asphalt for roads. The raw material components are as follows: in parts by weight, 40 parts of n-hexylamine, 50 parts of functional polymers, 50 parts of activated waste glass powder, 60 parts of styrene, divinylbenzene 50 parts, 200 parts of epoxy pitch, 16 parts of dithiothreitol, 35 parts of zinc nitrate hexahydrate, 30 parts of potassium persulfate, 60 parts of sodium citrate, 90 parts of epoxy resin, 40 parts of aminoalkyl silane coupling agent , 40 parts of epoxy silane coupling agent, 100 parts of chain extender, 120 parts of carboxy silicone oil, 110 parts of mineral fiber, 40 parts of antioxidant, 80 parts of aggregate.

[0085] The functional polymer includes the following raw material components: in parts by weight, 20 parts of iodine, 30 parts of azobisisobutyronitrile, 80 parts of butadiene, 30 parts of 4-vinylbenzyl chloride, and 14 parts of initiator , 16 parts of potassium thioacetate, 20 parts of octadecyl...

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Abstract

The invention discloses high-temperature-resistant composite modified asphalt for roads and a preparation method of the high-temperature-resistant composite modified asphalt. The material is preparedfrom the following raw material components: n-hexylamine, a functional polymer, activated waste glass powder, styrene, divinylbenzene, epoxy asphalt, dithiothreitol, zinc nitrate hexahydrate, potassium persulfate, sodium citrate, epoxy resin, an aminoalkyl silane coupling agent, an epoxy silane coupling agent, a chain extender, carboxyl silicone oil, mineral fiber, an antioxidant and aggregate. The waste glass powder has low heat conductivity coefficient and high thermal insulation performance, and the waste glass powder is added into the asphalt mixture, so that waste resources can be reasonably utilized, the environmental pressure is reduced, the resistance of the asphalt pavement to heat can be effectively improved, and the service life of the asphalt pavement is prolonged.

Description

technical field [0001] The invention relates to the technical field of asphalt, in particular to a high-temperature-resistant composite modified asphalt for roads and a preparation method thereof. Background technique [0002] Asphalt is an organic gel material with waterproof and anti-corrosion properties, which is widely used in coatings, plastics, rubber engineering, etc. The asphalt mixture obtained by mixing asphalt, mineral fiber, aggregate and other materials can also be used to pave roads; compared with ordinary cement pavement, the road paved with asphalt mixture has a smoother and smoother surface, more comfortable driving experience and better safety performance. High, so very favored by engineers and people. [0003] However, the traditional asphalt pavement generally has the problem of insufficient high temperature resistance, and it is easy to change the structure due to changes in the ambient temperature, especially in the hot summer, when the temperature ris...

Claims

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Application Information

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IPC IPC(8): C08L95/00C08L63/00C08L83/06C08L25/08C08K13/06C08K9/04C08K9/00C08K3/40C08K3/22C08K5/544C08K5/5435C08F236/10C08F212/14C08F8/34C08F8/32
CPCC08L95/00C08L83/06C08F236/10C08F8/32C08L2205/035C08L2201/08C08K2003/2296C08K2201/011C08L63/00C08L25/08C08K13/06C08K9/04C08K9/00C08K3/40C08K3/22C08K5/544C08K5/5435C08F212/18C08F8/34
Inventor 闫梦楠
Owner 闫梦楠
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