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Polyurethane urea-rubber composite grouting material for inhibiting/breaking ice on grooved pavement and preparation method of polyurethane urea-rubber composite grouting material

A polyurethane urea and grouting material technology, applied in the field of pavement grouting materials, can solve the problems of lack of hydrophobicity and ice suppression, poor interfacial bonding performance, poor surface wear resistance, etc., which is beneficial to social promotion and mass production, and has low cost. , Improve the effect of anti-skid

Pending Publication Date: 2022-07-22
CHANGAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, at present, there are generally problems with poor comprehensive performance of grouting materials for groove filling, which are mainly manifested in: (1) poor bonding performance with asphalt mixture interface; (3) It does not have the effect of hydrophobic ice suppression, and only relies on the self-stress deicing of the road surface

Method used

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  • Polyurethane urea-rubber composite grouting material for inhibiting/breaking ice on grooved pavement and preparation method of polyurethane urea-rubber composite grouting material
  • Polyurethane urea-rubber composite grouting material for inhibiting/breaking ice on grooved pavement and preparation method of polyurethane urea-rubber composite grouting material
  • Polyurethane urea-rubber composite grouting material for inhibiting/breaking ice on grooved pavement and preparation method of polyurethane urea-rubber composite grouting material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The polyurethaneurea-rubber composite grouting material in this example includes, in parts by mass, 41 parts of polyurethane A component, 205 parts of polyurethane B component, 52 parts of polyurea A component, 52 parts of polyurea R component, ethyl acetate 17.5 parts of esters, 1 part of dibutyltin dilaurate, and 150 parts of rubber particles with a particle size of 0.6 mm.

[0024] The preparation method of the polyurethaneurea-rubber composite grouting material in this embodiment is as follows: firstly mixing the polyurethane A component and the polyurethane B component, mixing the polyurea A component and the polyurea R component; then adding the obtained polyurea into the polyurethane , then add ethyl acetate and dibutyltin dilaurate, and stir at 25 ° C for 3 minutes until the cementitious material is stirred evenly, and no layering and segregation occurs; then add rubber particles with a particle size of 0.6 mm in 4 times and stir. Until the rubber particles are ...

Embodiment 2

[0026] The polyurethaneurea-rubber composite grouting material in this example includes 233 parts by mass of rubber particles with a particle size of 0.6 mm, and the mass parts of the other components and the preparation method of the composite grouting material are the same as those in Example 1.

Embodiment 3

[0028] The polyurethaneurea-rubber composite grouting material in this example includes 350 parts by mass of rubber particles with a particle size of 0.6 mm, and the mass parts of the other components and the preparation method of the composite grouting material are the same as those in Example 1.

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Abstract

The invention discloses a polyurethane urea-rubber composite grouting material for inhibiting / breaking ice on a grooved pavement and a preparation method thereof, and relates to the technical field of grouting materials for roads. The polyurethane urea-rubber composite grouting material is prepared from the following components in parts by mass: 40 to 45 parts of a polyurethane component A, 200 to 210 parts of a polyurethane component B, 50 to 55 parts of a polyurea component A, 50 to 55 parts of a polyurea component R, 14 to 21 parts of an organic solvent, 1 to 3 parts of a catalyst and 150 to 350 parts of rubber particles. The preparation method comprises the following steps: mixing polyurethane and polyurea according to a given raw material ratio, adding an organic solvent and a catalyst, stirring, adding rubber particles, and uniformly stirring to obtain the polyurethane urea-rubber composite grouting material which can be used as a filling material for grooved pavements to achieve the purposes of inhibiting and breaking ice on the pavements.

Description

technical field [0001] The invention belongs to the technical field of road grouting materials, and particularly relates to a polyurethane urea-rubber composite grouting material used for ice suppression / breaking of grooved road surfaces and a preparation method thereof. Background technique [0002] In the cold winter, many highways and urban roads are often affected by rain, snow and freezing weather. When the snowfall is heavy or the ambient temperature continues to drop, the road surface may be covered with ice for a long time, resulting in a serious lack of anti-skid performance of the road surface. Research data shows that the incidence of traffic accidents on ice-freezing roads is twice that of normal weather conditions, and the casualty rate is as high as 70%. Especially in special road sections such as tunnel entrances and exits, long steep slopes and curves, the accident rate is higher. The anti-skid problem of pavement in ice and snow environment has become a bot...

Claims

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Application Information

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IPC IPC(8): C08L75/08C08L21/00C08L75/02
CPCC08L75/08C08L21/00C08L75/02
Inventor 韩森门昌朋张建朝常晓娟王康高巍姚腾飞
Owner CHANGAN UNIV
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