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Modified and emulsified asphalt composition

A technology of emulsified asphalt and composition, which is applied in the direction of building structure, building components, building insulation materials, etc. It can solve the problems of difficult construction and the inability of asphalt particles to adhere quickly, and achieve convenient use, good emulsification effect, and improved stability The effect of sex and dispersion

Active Publication Date: 2015-04-29
WUJIANG HUAWEI SPECIAL OIL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But anionic emulsified asphalt is just the opposite. It is negatively charged with the surface of wet aggregate, which makes it repel the same sex. Asphalt particles cannot quickly adhere to the surface of aggregate. It must be done after the water in the emulsion has evaporated, so it is difficult to construct in wet or low temperature seasons

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] In this embodiment, a modified emulsified asphalt composition is made of the following raw materials in parts by weight: 80 parts of asphalt, 5 parts of polyvinyl alcohol, 16 parts of acrylic resin, 16 parts of epoxy resin, N-phenyl- 0.5 parts of 2-naphthylamine, 0.2 parts of 2,6-di-tert-butyl-p-cresol, 6 parts of calcium carbonate, 3 parts of mineral powder, 10 parts of emulsifier and 140 parts of water; and obtained by the following steps: heating water to 80°C, add acrylic resin, epoxy resin, calcium carbonate, mineral powder, N-phenyl-2-naphthylamine, 2,6-di-tert-butyl-p-cresol, asphalt and emulsifier in turn, heat up to 160°C and stir Reaction 2-3h.

[0018] Wherein, the parts by weight of each component of the emulsifier are: 15 parts of gum arabic, 15 parts of polyacrylamide, 2 parts of Tween and 4 parts of alkyltrimethylammonium salt.

[0019] After testing, the emulsified asphalt composition of this embodiment has a flash point of 295°C, a softening point of 2...

Embodiment 2

[0021] In this embodiment, a modified emulsified asphalt composition is made of the following raw materials in parts by weight: 60 parts of asphalt, 10 parts of polyvinyl alcohol, 12 parts of acrylic resin, 12 parts of epoxy resin, N-phenyl- 1.6 parts of 2-naphthylamine, 0.8 parts of 2,6-di-tert-butyl-p-cresol, 2 parts of calcium carbonate, 1 part of mineral powder, 5 parts of emulsifier and 120 parts of water; and obtained by the following steps: heating water to At 90°C, add acrylic resin, epoxy resin, calcium carbonate, mineral powder, N-phenyl-2-naphthylamine, 2,6-di-tert-butyl-p-cresol, asphalt and emulsifier in turn, heat up to 150°C and stir Reaction 2-3h.

[0022] Wherein, the parts by weight of each component of the emulsifier are: 10 parts of gum arabic, 10 parts of polyacrylamide, 4 parts of Tween and 8 parts of quaternary ammonium salt surfactant.

[0023] After testing, the emulsified asphalt composition of this embodiment has a flash point of 280°C, a softening ...

Embodiment 3

[0025] In this embodiment, a modified emulsified asphalt composition is made of the following raw materials in parts by weight: 70 parts of asphalt, 7 parts of polyvinyl alcohol, 13 parts of acrylic resin, 13 parts of epoxy resin, N-phenyl- 1.4 parts of 2-naphthylamine, 0.6 parts of 2,6-di-tert-butyl-p-cresol, 4 parts of calcium carbonate, 2 parts of mineral powder, 6 parts of emulsifier and 128 parts of water; and obtained by the following steps: heating water to 85°C, add acrylic resin, epoxy resin, calcium carbonate, mineral powder, N-phenyl-2-naphthylamine, 2,6-di-tert-butyl-p-cresol, asphalt and emulsifier in turn, heat up to 156°C and stir Reaction 2-3h.

[0026] Wherein, the parts by weight of each component of the emulsifier are: 14 parts of gum arabic, 12 parts of polyacrylamide, 3 parts of Tween and 6 parts of alkyltrimethylammonium salt.

[0027] After testing, the emulsified asphalt composition of this embodiment has a flash point of 295°C, a softening point of 26...

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Abstract

The invention discloses a modified and emulsified asphalt composition. The modified and emulsified asphalt composition is prepared from the following materials: asphalt, polyvinyl alcohol, acrylic resin, epoxy resin, N-phenyl-2-naphthylamine, 2, 6-ditert-butyl p-cresol, calcium carbonate, mineral powder, an emulsifying agent and water. The modified and emulsified asphalt composition is obtained by the following steps of: heating water to 80-90 DEG C, adding the acrylic resin, the epoxy resin, N-phenyl-2-naphthylamine, 2, 6-ditert-butyl p-cresol, the asphalt and the emulsifying agent in sequence, raising the temperature and stirring for reaction for 2-3 hours. The modified and emulsified asphalt composition disclosed by the invention has the advantages that the use is convenient; a mixture with Arabic gum, polyacrylamide, tween and quaternary ammonium surfactant is adopted as the emulsifying agent, so that the emulsifying effect is good; due to the synergistic effect of all the added polyvinyl alcohol, acrylic resin, epoxy resin, N-phenyl-2-naphthylamine, 2, 6-ditert-butyl p-cresol, calcium carbonate and mineral powder, the stability and the dispersity of the emulsified asphalt are improved.

Description

Technical field: [0001] The invention relates to a modified emulsified asphalt composition, belonging to the technical field of industrial chemicals. Background technique: [0002] Emulsified asphalt is the liquid asphalt produced by asphalt and emulsifier under the action of a certain process, which is oil-in-water or water-in-oil. Emulsified asphalt is a kind of road building material with low viscosity and good fluidity at room temperature after mechanical stirring and chemical stabilization (diffusion into water) of road asphalt, which is usually used at high temperature. It can be used at room temperature and can be used with Cold and damp stones are used together. Emulsified asphalt is divided into cationic emulsified asphalt, anionic emulsified asphalt and nonionic emulsified asphalt. The asphalt particles of cationic emulsified asphalt are positively charged, and the anionic emulsified asphalt particles are negatively charged. When cationic emulsified asphalt and bon...

Claims

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Application Information

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IPC IPC(8): C08L95/00C08L29/04C08L33/00C08L63/00C08K13/02C08K5/18C08K5/13C08K3/26C08J3/03
Inventor 朱剑
Owner WUJIANG HUAWEI SPECIAL OIL
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