Hot-melt asphalt adhesive and its production

A technology of adhesives and asphalt, which is applied in the direction of asphalt material adhesives, adhesives, adhesive types, etc., can solve the problems of slow bonding speed and low viscosity of emulsified asphalt, and achieve fast bonding speed, simple production process and applicable wide range of effects

Active Publication Date: 2007-11-21
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Moreover, the fixing speed of emulsified asphalt is relatively slow and the viscosity is low, so it is on

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] The preparation method of base asphalt: put the raw material of road petroleum asphalt (penetration = 70 1 / 10mm) into the reaction kettle, heat it, feed oxygen at 245°C, and react for 12 hours to make oxidized asphalt, which is base asphalt. The properties of the obtained base pitch are as follows: the penetration is 24 1 / 10mm, and the softening point is 68°C.

Embodiment 2

[0035] Composition of hot melt asphalt adhesive:

[0036] Base bitumen 100 parts

[0037] 4 copies of SBS

[0038] 6 parts petroleum resin

[0039] Aluminum oxide 15 parts

[0040] Silicon oxide 30 parts

[0041] Sublimed sulfur 0.12 parts

[0042] Its preparation process is as follows:

[0043] Add the above-mentioned weighed base asphalt, SBS, and petroleum resin into the reaction kettle, heat to 175°C, stir for 2 hours at a stirrer speed of 4000 rpm, and then add alumina, Silicon oxide and cross-linking agent, continue to stir for 2 hours, the stirring speed is 2000 rpm, after the stirring process is completed, the material can be discharged, cooled to room temperature, and the target product is obtained. The resulting product has moderate and stable viscosity, and its properties are shown in Table 1.

[0044] project

Embodiment 3

[0046] Composition of hot melt asphalt adhesive:

[0047] Base bitumen 100 parts

[0048] 5 copies of SBS

[0049] 2 parts petroleum resin

[0050] Aluminum oxide 30 parts

[0051] Silicon oxide 2 parts

[0052] Sublimed sulfur 0.14 parts

[0053] Its preparation process is as follows:

[0054] Add the above-mentioned weighed base asphalt, SBS, and petroleum resin into the reaction kettle, heat to 160°C, stir for 40 minutes at a stirrer speed of 6000 rpm, and then add alumina, Silicon oxide and cross-linking agent, continue to stir for 4 hours, the stirring speed is 800 rpm, after the stirring process is completed, the material can be discharged, cooled to room temperature, and the target product is obtained. The resulting product has moderate and stable viscosity, and its properties are shown in Table 2.

[0055] project

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Abstract

A road surface hot-melt asphalt dog nail adhesive and its production are disclosed. It consists of substrate asphalt 100 proportion, polymeric polymer 2-10 proportion, tack producing agent 0-10 proportion, inorganic tack producing agent 20-50 proportion, cross-linking agent 0.1-0.5 proportion. It's convenient, costs low, and has long life and excellent adhesion.

Description

technical field [0001] The invention relates to a hot-melt asphalt adhesive and a preparation method thereof, which are suitable for thermal bonding of road studs on traffic roads and other marking materials. Background technique [0002] As a road auxiliary marking facility, road studs are widely used on various roads. Because of its low cost and good effect on special road sections, it is widely used in some road sections. Hot-melt asphalt road stud adhesive is mainly used for the bonding of this type of road stud, and can also be used for the bonding of deceleration ridges, etc. Traditional asphalt road stud adhesives mostly use construction asphalt, cement mortar and resin. In the process of use, construction asphalt is easy to soften at high temperature and brittle at low temperature, and the bonding effect is not good; after the cement mortar is cured, it is easily cracked by vibration and loses bonding ability; the resin is brittle and the low temperature bonding is...

Claims

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Application Information

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IPC IPC(8): C09J195/00
Inventor 徐青柏陈杰范思远李欣宁爱民徐前康
Owner CHINA PETROLEUM & CHEM CORP
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