CN104312177A

CN104312177A - Track-preventing pitch and preparation method thereof

Info

Publication number: CN104312177A
Application number: CN201410624951.6A
Authority: CN
Inventors: 周国宝; 陈志林; 靳卫华
Original assignee: NANTONG TONGSHA ASPHALT TECHNOLOGY Co Ltd
Current assignee: Jiangsu High Speed New Material Technology Co ltd
Priority date: 2014-11-07
Filing date: 2014-11-07
Publication date: 2015-01-28
Anticipated expiration: 2034-11-07

Abstract

The application of the invention discloses track-preventing pitch and a preparation method thereof. The track-preventing pitch comprises the following components: 700-950 parts of matrix asphalt, 10-60 parts of a first modifying agent, 1-30 parts of a second modifying agent, 1-5 parts of a stabilizer, 100-200 parts of pitch and 10-50 parts of CCY, firstly, the matrix asphalt is firstly heated, then the first modifying agent and the second modifying agent are added and stirred, then the lake asphalt is added for stirring, and then the stabilizer and the CCY are added; therefore, the preparing process is simple, the cost is low, the density is high, the intensity is high, the track-preventing effect is good, a track-resisting agent and the like are not additionally added, only a pure asphalt material is required for stirred construction, the problems of pushing, waving and upheaval can be effectively prevented, and the high-temperature stability is better.

Description

A kind of anti-rutting asphalt and preparation method thereof

Technical field

The present invention relates to modifying asphalt, particularly relate to a kind of anti-rutting asphalt and preparation method thereof.

Background technology

The rut that bituminous pavement causes under local function, push away and gather around, wave, gather around the diseases such as bag the pavement performance of bituminous pavement is declined rapidly, these problems mainly produce on runway, when vehicle in the process of moving, left and right vehicle wheel will be caused to rock when departing from slightly direction of traffic, bring the uncomfortable sensation of passenger.When rut reaches certain degree of depth, be enough to, at wheel path internal water accumulation, will Water Damage on Asphalt Pavement be caused, make the vehicle of fast running on it easily produce water drift simultaneously.For cold season, ponding freezes, and the cling property on road surface will reduce greatly, affect traffic safety.

Summary of the invention

The object of the invention is to be to provide a kind of anti-rutting asphalt and preparation method thereof, solve one or more in above-mentioned prior art problem.

Anti-rutting asphalt of the present invention, composition is as follows:

Matrix pitch: 700 ~ 950 parts;

First properties-correcting agent: 20 ~ 60 parts;

Second properties-correcting agent: 1 ~ 30 part

Stablizer: 1 ~ 5 part;

Lake pitch: 100 ~ 200 parts;

CCY:10 ~ 50 part.

Wherein, the first properties-correcting agent is LG501SBS; Second properties-correcting agent is III type SBS; Stablizer is sulphur or SEAM; The composition of lake pitch and weight percent are: bituminous matter 30.1%, resin 26.8%, fragrance point 32.4%, saturated point 10.7%; CYC is furfural extract oil.

The preparation method of anti-rutting asphalt of the present invention is as follows, comprises the following steps:

1. matrix pitch is joined in pilot plant test machine, and be heated to 190 ~ 195 DEG C;

2. open and stir shears, add the first properties-correcting agent and the second properties-correcting agent, shear agitation 10 ~ 20min;

3. add lake pitch, continue shear agitation 3 ~ 3.5h, control temperature is 183 ~ 186 DEG C;

4. control temperature 173 ~ 175 DEG C, adds stablizer, shear agitation 10 ~ 20min;

5. add CYC, reaction 2 ~ 2.5h, obtains finished product.

Wherein, step 2. in, controlling to stir the rotating speed of shears is 3000 ~ 4000r/min.

Preparation technology of the present invention is simple, and cost is low, density is large, intensity is high, and Rut resistance is effective, without the need to additional anti-rutting additive etc., only need simple bituminous material mix to construct, effectively anti-thrust can gather around, wave, gather around the problem of bag, there is good high-temperature stability.

Embodiment

Below by embodiment, the present invention is described in further detail.

Embodiment 1

Anti-rutting asphalt, composition is as follows:

Matrix pitch: 700 parts;

First properties-correcting agent: 20 parts;

Second properties-correcting agent: 1 part

Stablizer: 1 part;

Lake pitch: 100 parts;

CCY:10 part.

Wherein, matrix pitch is 70# matrix pitch, as the 70# matrix pitch that Shuan Long company of Korea S produces; First properties-correcting agent is LG501SBS, as the LG501SBS that Wuhan Kang Run petrochemical complex company limited produces; Second properties-correcting agent is III type SBS, as the III type SBS that Wuhan Kang Run petrochemical complex company limited produces; Stablizer is sulphur, as the sulphur that Shanghai Shi Yu Trade Co., Ltd. produces; Lake pitch is the natural lake pitch in the Trinida (TLA) of natural formation, and its composition and weight percent are: bituminous matter 30.1%, resin 26.8%, fragrance point 32.4%, saturated point 10.7%; CYC is furfural extract oil.

1. matrix pitch is joined in pilot plant test machine, and be heated to 190 DEG C;

2. open and stir shears, add the first properties-correcting agent and the second properties-correcting agent, shear agitation 10min;

3. add lake pitch, continue shear agitation 3h, control temperature is 183 DEG C;

4. control temperature 173 DEG C, adds stablizer, shear agitation 10min;

5. add CYC, reaction 2h, obtains finished product.

Wherein, step 2. in, controlling to stir the rotating speed of shears is 3000r/min.

Embodiment 2

Anti-rutting asphalt, composition is as follows:

Matrix pitch: 825 parts;

First properties-correcting agent: 40 parts;

Second properties-correcting agent: 15 parts

Stablizer: 3 parts;

Lake pitch: 150 parts;

CCY:30 part.

Wherein, matrix pitch is 70# matrix pitch, as the 70# matrix pitch that Shuan Long company of Korea S produces; First properties-correcting agent is LG501SBS, as the LG501SBS that Wuhan Kang Run petrochemical complex company limited produces; Second properties-correcting agent is III type SBS, as the III type SBS that Wuhan Kang Run petrochemical complex company limited produces; Stablizer is shell SEAM; Lake pitch is the natural lake pitch in the Trinida (TLA) of natural formation, and its composition and weight percent are: bituminous matter 30.1%, resin 26.8%, fragrance point 32.4%, saturated point 10.7%; CYC is furfural extract oil.

1. matrix pitch is joined in pilot plant test machine, and be heated to 193 DEG C;

2. open and stir shears, add the first properties-correcting agent and the second properties-correcting agent, shear agitation 15min;

3. add lake pitch, continue shear agitation 3.3h, control temperature is 185 DEG C;

4. control temperature 174 DEG C, adds stablizer, shear agitation 15min;

5. add CYC, reaction 2.3h, obtains finished product.

Wherein, step 2. in, controlling to stir the rotating speed of shears is 3500r/min.

Embodiment 3

Anti-rutting asphalt, composition is as follows:

Matrix pitch: 950 parts;

First properties-correcting agent: 60 parts;

Second properties-correcting agent: 30 parts

Stablizer: 5 parts;

Lake pitch: 200 parts;

CCY:50 part.

Wherein, matrix pitch is 70# matrix pitch, as the 70# matrix pitch that Shuan Long company of Korea S produces; First properties-correcting agent is LG501SBS, as the LG501SBS that Wuhan Kang Run petrochemical complex company limited produces; Second properties-correcting agent is III type SBS, as the III type SBS that Wuhan Kang Run petrochemical complex company limited produces; Stablizer sulphur, as the sulphur produced for Shanghai Shi Yu Trade Co., Ltd.; Lake pitch is the natural lake pitch in the Trinida (TLA) of natural formation, and its composition and weight percent are: bituminous matter 30.1%, resin 26.8%, fragrance point 32.4%, saturated point 10.7%; CYC is furfural extract oil.

1. matrix pitch is joined in pilot plant test machine, and be heated to 195 DEG C;

2. open and stir shears, add the first properties-correcting agent and the second properties-correcting agent, shear agitation 20min;

3. add lake pitch, continue shear agitation 3.5h, control temperature is 186 DEG C;

4. control temperature 175 DEG C, adds stablizer, shear agitation 20min;

5. add CYC, reaction 2.5h, obtains finished product.

Wherein, step 2. in, controlling to stir the rotating speed of shears is 4000r/min.

The pitch of embodiment 1-3 and modified asphalt 60 DEG C, 10000 rut testing datas are as follows under wheel load 0.7MPa condition:

As can be seen from the above table, the modifying asphalt of embodiment 1-3 is high compared to modified asphalt intensity, and Rut resistance is effective, effectively anti-thrust can gather around, wave, gathers around the problem of bag.

In sum, preparation technology of the present invention is simple, and cost is low, density is large, intensity is high, Rut resistance is effective, without the need to additional anti-rutting additive etc., only needs simple bituminous material mix to construct, effectively anti-thrust can gather around, wave, gather around the problem of bag, there is good high-temperature stability.

The above is only one embodiment of the present invention; it should be pointed out that to those skilled in the art, without departing from the concept of the premise of the invention; can also make some similar distortion and improvement, these also should be considered as within protection scope of the present invention.

Claims

1. an anti-rutting asphalt, is characterized in that: comprise matrix pitch 700 ~ 950 parts, the first properties-correcting agent 10 ~ 60 parts, the second properties-correcting agent 1 ~ 30 part, stablizer 1 ~ 5 part, lake pitch 100 ~ 200 parts, CCY10 ~ 50 part.

2. the anti-rutting asphalt of one according to claim 1, is characterized in that: described first properties-correcting agent is LG501SBS.

3. the anti-rutting asphalt of one according to claim 1, is characterized in that: described second properties-correcting agent is III type SBS.

4. the anti-rutting asphalt of one according to claim 1, is characterized in that: described stablizer is sulphur or SEAM.

5. the anti-rutting asphalt of one according to claim 1, is characterized in that: the composition of described lake pitch and weight percent are: bituminous matter 30.1%, resin 26.8%, fragrance point 32.4%, saturated point 10.7%.

6. the anti-rutting asphalt of one according to claim 1, is characterized in that: described CYC is furfural extract oil.

7. the preparation method of the anti-rutting asphalt according to any one of claim 1-6, is characterized in that: comprise the following steps:

2. open and stir shears, add properties-correcting agent, shear agitation 10 ~ 20min;

5. add CYC, reaction 2 ~ 2.5h, obtains finished product.

8. the preparation method of anti-rutting asphalt according to claim 7, is characterized in that: step 2. in, controlling to stir the rotating speed of shears is 3000 ~ 4000r/min.