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Colored modified building asphalt and preparation method thereof

A construction asphalt and modification technology, applied in the field of color modified construction asphalt, can solve the problems of low softening point, easy to become soft and flowing, lack of aesthetic effect, etc., and achieve the effect of simple preparation method

Inactive Publication Date: 2009-12-23
PETROCHINA CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Black petroleum construction asphalt is currently a basic material commonly used in building waterproofing in the market, but it has the disadvantages of being too sensitive to temperature, easily becoming hard and brittle in winter, easy to become soft and runny in summer, and having a short service life
The patent of CN97121664.9 discloses a preparation method of modified building asphalt, which firstly processes the asphalt raw material, and then adds a modifier after the performance of the basic asphalt reaches a certain index, so that the prepared building asphalt can achieve better Modified building asphalt with good high and low temperature performance and temperature sensitivity, but this method has the defects of complicated processing procedures, black color, and lack of aesthetic effect, especially in the aspect of roof waterproofing, which is far from satisfying people's aesthetics Require
Another example is that the Chinese patent application No. 94118271.1 discloses a colored asphalt and its preparation method, and the patent application No. 03135423.8 discloses a colored binder for road paving and its preparation method. They are all road construction materials. , high penetration, low softening point, can not be used in the construction industry

Method used

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  • Colored modified building asphalt and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Heat 14% KN4010 to 80°C, then add 10% SBS and 6% SBR, stir and melt until SBS and SBR are completely dissolved, then raise the temperature to 120°C, then add 20% PE with an average molecular weight of 200,000, 3 % TiO and balance C 5 Hydrogenated petroleum resin, finally add 7% iron oxide red, after fully stirring, the No. 10 red modified building asphalt product is obtained, its softening point is 103.0°C, and its penetration (25°C, 100g, 5s) is 16 ( 0.1mm), the ductility (25°C, 5cm / min) is 10cm.

Embodiment 2

[0023] Heat 30% KN4006 to 90°C, then add 12% SBS and 15.5% SBR, stir and melt until SBS and SBR are completely dissolved, then heat up to 140°C and add 8% PE with an average molecular weight of 150,000, 0.5 % TiO and balance C 5 Add 2% iron oxide red at the end without hydrogenation of petroleum resin, and stir well to obtain No. 30 red modified building asphalt product with a softening point of 82.0°C and a penetration (25°C, 100g, 5s) of 33 (0.1mm), the ductility (25°C, 5cm / min) is 10cm.

Embodiment 3

[0025] Heat 12% BS to 120°C, then add 5% SBS and 4% SBR, stir and melt until SBS and SBR are completely dissolved, then raise the temperature to 180°C, then add 4% PE with an average molecular weight of 100,000, 2 % TiO and balance C 5 Hydrogenated petroleum resin, finally add 3% iron oxide red, after fully stirring evenly, promptly obtain No. 10 red modified building asphalt product, its softening point is 106 ℃, and penetration (25 ℃, 100g, 5s) is 15 ( 0.1mm), the ductility (25°C, 5cm / min) is 16cm.

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Abstract

The invention relates to a kind of colored modified construction asphalt prepared by modifying distillate oil in naphthenic crude oil with a modifier. The raw materials are 12-52% base oil, 2- 18% SBS, 2-20% iron oxide, 0.1-16% SBR, 0.1-26% PE, 0.1-9% titanium oxide and the balance is petroleum resin; the base oil is naphthenic crude oil 250-550°C distillate oil and / or light-colored high-aromatic heavy lubricating oil; SBS is a styrene-butadiene-styrene block copolymer, and the weight percentage of SBS in the product is 1-10 %; SBR is styrene-butadiene rubber; PE is linear low-density polyethylene with a molecular weight of 100,000 to 400,000; iron oxide is red, yellow, blue or green; it has good high and low temperature performance and temperature sensing performance, and the preparation method is simple , can be prepared into colorful asphalt according to needs.

Description

technical field [0001] The invention relates to a kind of colored modified construction asphalt which is prepared by modifying distillate oil in naphthenic crude oil with a modifier. Background technique [0002] Black petroleum construction asphalt is currently a basic material commonly used in building waterproofing in the market, but it has the disadvantages of being too sensitive to temperature, tending to become hard and brittle in winter, easy to become soft and runny in summer, and has a short service life. The patent of CN97121664.9 discloses a preparation method of modified building asphalt, which firstly processes the asphalt raw material, and then adds a modifier after the performance of the basic asphalt reaches a certain index, so that the prepared building asphalt can achieve better Modified building asphalt with good high and low temperature performance and temperature sensitivity, but this method has the defects of complicated processing procedures, black col...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L57/02C08K3/22C08L53/02C08L9/06C08L23/06
Inventor 高华李剑新罗来龙蔺习雄王金勤杨克红张艳丽濮文华邹海燕沙玉梅古丽曹春梅
Owner PETROCHINA CO LTD