A kind of environment-friendly asphalt high-viscosity additive and preparation method thereof

A high-viscosity, environmentally friendly technology, applied in building insulation materials, building components, buildings, etc., can solve the problems of high-viscosity environmental pollution, high-viscosity difficult to melt and disperse, high energy consumption, etc.

Active Publication Date: 2022-07-22
湖南省交通科学研究院有限公司
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0007] The main purpose of the present invention is to provide an environment-friendly asphalt high-viscosity additive and its preparation method, aiming at solving the problems that the above-mentioned high-viscosity agent is difficult to melt and disperse in the asphalt mixture, the phenomenon of high energy consumption caused by high-temperature heating construction, and high The technical problem of environmental pollution caused by the components in the adhesive

Method used

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  • A kind of environment-friendly asphalt high-viscosity additive and preparation method thereof
  • A kind of environment-friendly asphalt high-viscosity additive and preparation method thereof
  • A kind of environment-friendly asphalt high-viscosity additive and preparation method thereof

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[0040] The present invention also provides a preparation method of the environment-friendly asphalt high-viscosity additive according to any one of the above, comprising: mixing the styrene-butadiene-styrene block copolymer, the viscosity increasing component , the compatibilizing component, the high temperature viscosity modifier, the plasticizer, the anti-aging component and the accelerator are uniformly mixed and melted at a temperature of 150°C to 190°C, and then granulated to obtain The environment-friendly asphalt high-viscosity additive.

[0041] As a detailed description of the preparation method of the environment-friendly asphalt high-viscosity additive, a preparation method of the environment-friendly asphalt high-viscosity additive can be prepared as follows: block copolymerization of the styrene-butadiene-styrene compound, the tackifying component, the compatibilizing component, the high-temperature viscosity modifier, the plasticizer, the anti-aging component, an...

Embodiment 1

[0045] A high-viscosity additive, comprising in parts by mass: 100 parts of a styrene-butadiene-styrene block copolymer, 40 parts of a tackifying component, 10 parts of a compatibilizing component, 3 parts of a high-temperature viscosity regulator, 3 parts of plasticizer, 0.3 part of anti-aging component, 0.2 part of accelerator.

[0046] Among them, the styrene-butadiene-styrene block copolymer is linear SBS-YH791H (Sinopec Group Baling Petrochemical Branch); the tackifying component is carbon nine petroleum resin (Zibo Xinle Chemical Co., Ltd., softening The temperature is 120℃); the compatibilizing component is naphthenic rubber oil (China Petroleum Karamay Petrochemical Company); the high temperature viscosity modifier is 50% stearic acid amide (Zibo Xinrong Chemical Technology Co., Ltd.) and 50% polypropylene wax TS-5116 (Nanjing Tianshi New Material Technology Co., Ltd., melting point is 110°C); plasticizer is dioctyl phthalate (Jinan Huijinchuan Chemical Co., Ltd.); ant...

Embodiment 2

[0049] A high-viscosity additive, comprising in parts by mass: 100 parts of a styrene-butadiene-styrene block copolymer, 85 parts of a tackifying component, 30 parts of a compatibilizing component, 8 parts of a high-temperature viscosity regulator, 10 parts of plasticizer, 3 parts of anti-aging component, 1 part of accelerator.

[0050] Among them, the styrene-butadiene-styrene block copolymer is a star-shaped SBS road change 2#4303-2 (Sinopec Group Baling Petrochemical Branch); the tackifying component is C5 petroleum resin (Puyang Heng Tai Petrochemical Co., Ltd., the softening point is 130℃); the compatibilizing component is environmentally friendly aromatic oil (Zibo Guangyi Petrochemical Co., Ltd.); the high temperature viscosity modifier is 20% stearic acid amide (Zibo Xinrong Chemical Technology Co., Ltd. Company) and 80% polyethylene wax H100 (Qingdao Haihao Chemical Co., Ltd., the melting point is 100 ° C); the plasticizer is dioctyl terephthalate (Shandong Langtai Ch...

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Abstract

The invention provides an environment-friendly asphalt high-viscosity additive and a preparation method thereof. The environment-friendly asphalt high-viscosity additive comprises, in parts by mass: 100 parts of styrene-butadiene-styrene block copolymer, a viscosity increasing group It is divided into 40-85 parts, compatibilizing component 10-30 parts, high temperature viscosity modifier 3-8 parts, plasticizer 3-10 parts, anti-aging component 0.3-3.0 parts, accelerator 0.2-1.0 parts. The preparation method of the environment-friendly asphalt high-viscosity additive comprises: combining the styrene-butadiene-styrene block copolymer, the tackifying component, the compatibilizing component, and the high-temperature viscosity modifier , the plasticizer, the anti-aging component and the accelerator are uniformly mixed and melted at a temperature of 150° C. to 190° C. and then granulated to obtain the environment-friendly asphalt high-viscosity additive. The invention can quickly and uniformly melt and disperse the high-viscosity agent in the asphalt mixture, and can also effectively reduce the mixing and construction temperature of the high-viscosity agent in the asphalt mixture.

Description

technical field [0001] The invention relates to the field of road engineering materials, in particular to an environment-friendly asphalt high-viscosity additive and a preparation method thereof. Background technique [0002] Drainage asphalt pavement with large void features has become the best pavement form to achieve a leap in road surface characteristics because of its outstanding advantages such as high skid resistance, low noise, water mist suppression, water drift prevention, and glare reduction. However, due to the large porosity of the drainage asphalt mixture, it is susceptible to water damage and aging, which will lead to the problem of poor durability of the drainage asphalt pavement. Among them, high-viscosity additives (referred to as high-viscosity agents) are one of the effective ways to improve durability. [0003] In order to ensure the rapid and uniform melting and dispersion of the high-viscosity agent in the asphalt mixture, the dispersibility of the hi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L53/02C08L57/02C08L91/00C08L23/12C08K5/00C08K5/098C08K5/20C08K5/12C08K5/13C08L23/06C08K5/134C08L23/08C08L95/00
CPCC08L53/02C08L95/00C08L2205/035C08L2205/025C08L57/02C08L91/00C08L23/12C08K5/00C08K5/098C08K5/20C08K5/12C08K5/13C08L23/06C08K5/1345C08L23/0853
Inventor 刘至飞陈宇亮吴开孙剑峰李婷玉郑祖恩曾辉彭孝南张迅黄毅任毅
Owner 湖南省交通科学研究院有限公司
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