CN109943130B - Anti-aging agent for modified asphalt waterproof coiled material and preparation method thereof - Google Patents
Anti-aging agent for modified asphalt waterproof coiled material and preparation method thereof Download PDFInfo
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- CN109943130B CN109943130B CN201910064841.1A CN201910064841A CN109943130B CN 109943130 B CN109943130 B CN 109943130B CN 201910064841 A CN201910064841 A CN 201910064841A CN 109943130 B CN109943130 B CN 109943130B
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Abstract
The invention discloses an anti-aging agent for a modified asphalt waterproof coiled material and a preparation method thereof. The preparation method of the anti-aging agent comprises the following steps: 3-6% of C5 hydrogenated petroleum resin, 6-9% of coumarone resin, 5-8% of dimethyl phosphate, 65-75% of complex, 16-18% of heavy calcium carbonate and 2-3% of dispersing agent. The raw material which plays a main role in the invention is a complex, and the complex is prepared by mixing one metal ligand of ferric chloride, cobalt chloride, nickel chloride and copper chloride with o-phenanthroline according to the mass ratio of 1: 2 according to the proportion. The anti-aging agent does not contain organic solvent, has no pungent smell, and can effectively improve the thermal aging performance and the artificial climate accelerated aging performance of the waterproof coiled material by adding 4.5-9.0% of the total amount of the coating material when producing the modified asphalt waterproof coiled material ingredient, thereby prolonging the service life of the waterproof coiled material.
Description
Technical Field
The invention relates to an anti-aging agent for a modified asphalt waterproof coiled material and a preparation method thereof, and the agent is used for the modified asphalt waterproof coiled material, can effectively improve the aging performance of the waterproof coiled material, and belongs to the technical field of waterproof coiled materials.
Background
Along with the rapid development of the building industry, building water proofing attracts more and more attention, a waterproof material is an important material in building water proofing, the quality of the waterproof material directly concerns the waterproof quality of the whole building engineering and the building service life of the waterproof material, a modified asphalt waterproof coiled material is used as an important component of the waterproof material, the more important evaluation indexes of the waterproof material are the thermal aging performance and the artificial climate accelerated aging performance of the waterproof material, and the two indexes directly concern the service life of a product. However, the effective method for improving the hot air aging performance of the modified asphalt waterproof coiled material, which is carried out in the current common factories, is to increase the addition amount of the modifier, which can greatly increase the product cost, and the problems cannot be solved fundamentally, and the problems of improving the thermal aging performance and the artificial climate accelerated aging performance of the modified asphalt waterproof coiled material need to be solved urgently. The anti-aging agent for the modified asphalt waterproof coiled material has the main action principle that unsaturated bonds in asphalt are effectively protected by a metal complex so as not to be damaged by active oxygen under the conditions of high temperature or illumination, and the anti-aging agent is matched with common anti-aging auxiliary materials to achieve the older anti-aging effect. When the addition amount of the prepared anti-aging agent in the coating material of the modified asphalt waterproof coiled material is 4.5-9.0%, the thermal aging performance and the artificial climate accelerated aging performance of the prepared modified asphalt waterproof coiled material can be obviously improved, and the amount of the modified agent can be greatly reduced, so that the coating material has lower viscosity and lower cost.
During the thermal aging and artificial climate accelerated aging process of asphalt, unsaturated double bond or triple bond broken bond in the asphalt reacts with active oxygen in the air to generate carbonyl, and then the asphalt becomes hard and brittle. Similarly, the modified asphalt waterproof coiled material can also become hard and brittle in the heat aging and artificial climate accelerated aging processes, namely the low-temperature flexibility index of the modified asphalt waterproof coiled material can become poor, and the modified asphalt waterproof coiled material can lose the waterproof function after the low-temperature flexibility index is poor to a certain extent. Therefore, the problems of improving the ageing resistance of the modified asphalt waterproof coiled material and prolonging the service life of the waterproof coiled material need to be solved urgently.
Disclosure of Invention
The invention aims to prolong the service life of a modified asphalt waterproof coiled material, radically solve the problem that asphalt is easy to age, harden and become brittle, and provide an anti-aging agent for the modified asphalt waterproof coiled material. The key point of the invention is that the anti-aging agent prepared by modifying the metal organic complex is introduced into the modified asphalt system. The complex in the anti-aging agent can generate chelation reaction with unsaturated bonds in asphalt, the unsaturated bonds are effectively protected, the attack of active oxygen is prevented to achieve the aim of aging resistance, the heat aging performance and the artificial climate accelerated aging performance of the modified asphalt waterproof coiled material are effectively improved, the addition amount of the modifier can be greatly reduced, the viscosity of the coating material is lower, and the cost is lower.
In order to achieve the purpose, the invention adopts the technical scheme that: the anti-aging agent for the modified asphalt waterproof coiled material is characterized by comprising the following components in parts by mass: 3-6% of C5 hydrogenated petroleum resin, 6-9% of coumarone resin, 5-8% of dimethyl phosphate, 65-75% of complex, 16-18% of heavy calcium carbonate and 2-3% of dispersant; the preparation process comprises the following steps: adding dimethyl phosphate, coumarone resin and C5 hydrogenated petroleum resin into a stirring tank, heating to 110 ℃, adding a dispersing agent at 500rpm, stirring for 15 minutes,then adding the complex into the mixture and stirring the mixture at a high speed (the rotation speed is 1200-1800rpm) for 45 minutes, and finally adding the heavy calcium carbonate into the mixture and stirring the mixture at 500rpm for 15 minutes, thus discharging the mixture; the complex is prepared by mixing a metal ligand of ferric chloride, cobalt chloride, nickel chloride and copper chloride with an organic phenanthroline ligand according to the mass ratio of 1: 2, adding the mixture into an open reaction container, adding 50-80 times of distilled water by mass to fully dissolve the materials, uniformly stirring the materials, developing at 85 ℃, evaporating water, and growing crystals, namely a complex; the dispersant is Disponer9250 produced by ELEMENTIS and
one or more of produced FA 196; the effective adding amount of the anti-aging agent is 4.5-9.0%. The anti-aging agent can effectively improve the thermal aging performance and the artificial climate accelerated aging performance of the waterproof roll so as to achieve the purpose of prolonging the service life of the waterproof roll.
The invention has the advantages that the thermal aging performance and the artificial climate accelerated aging performance of the prepared modified asphalt waterproof coiled material can be obviously improved, the service life of the modified asphalt waterproof coiled material is further prolonged, the addition amount of the modifier can be greatly reduced, the raw materials are saved, the viscosity of the coating material is lower, and the cost is lower.
Detailed Description
The following examples are provided to illustrate the present invention to facilitate the reproduction of experimental results by those skilled in the art with reference to the description, but are not intended to limit the scope of the present invention.
Example 1: modified asphalt waterproof coiled material manufactured by adding 4.5% of anti-aging agent
The SBS II PY PE 410 waterproof roll material blending process of the embodiment 1 comprises the following steps: adding 4500 parts of 90# asphalt and 1500 parts of special softening oil for Shandongfudou modified asphalt into a mixing tank, uniformly mixing, heating to 185 +/-5 ℃ while stirring, adding 550 parts of Dushan 6320H SBS modifier and 50 parts of Exxon Mobil PP3000PP particle modifier, mixing and stirring for 1.5 hours, adding 400 parts of Shandonghuang HL100 tackifying resin and 450 parts of self-made anti-aging agent, stirring for 30 minutes, adding 3000 parts of 140-mesh talcum powder filler for Sitou building materials, stirring for 30 minutes, measuringThe viscosity of the coating material is 47600 mPas, and the discharged material is coated on 260g/m of the oil-immersed material2And covering PE films on two sides of the polyester base, cooling the coiled material, and packaging into a roll to obtain the SBS II PY PE 410 waterproof coiled material.
Cutting a coiled material sample according to the standard GB 18242 plus 2008, cutting 3 groups of samples, wherein each group of samples comprises 10 small samples, the length multiplied by the width multiplied by the thickness multiplied by 150mm multiplied by 25mm multiplied by 4mm, respectively measuring the low-temperature flexibility, the low-temperature flexibility after thermal aging and the low-temperature flexibility after artificial climate accelerated aging of the samples, wherein the low-temperature flexibility limit is minus 26 ℃, the low-temperature flexibility limit temperature after thermal aging is minus 21 ℃, and the low-temperature flexibility limit temperature after artificial climate accelerated aging is minus 20 ℃.
Example 2: modified asphalt waterproof coiled material manufactured by adding 9.0% of anti-aging agent
The SBS II PY PE 410 waterproof roll material blending process of the embodiment 2 comprises the following steps: adding 4500 parts of 90# asphalt and 1500 parts of special softening oil for Shandongfudou modified asphalt into a mixing tank, uniformly mixing, heating to 185 +/-5 ℃ while stirring, adding 550 parts of striga 6320H SBS modifier and 50 parts of Exxon Mobil PP3000PP particle modifier, mixing and stirring for 1.5 hours, adding 400 parts of Shanjonghenlin HL100 tackifying resin and 900 parts of self-made anti-aging agent, stirring for 30 minutes, adding 3000 parts of Siton building material 140-mesh talcum powder filler, stirring for 30 minutes, determining the viscosity of the coating material to be 42020mPa & s, discharging and coating the coating material on 260g/m soaked oil2And covering PE films on two sides of the polyester base, cooling the coiled material, and packaging into a roll to obtain the SBS II PY PE 410 waterproof coiled material.
Cutting a coiled material sample according to the standard GB 18242 plus 2008, cutting 3 groups of samples, wherein each group of samples comprises 10 small samples, the length multiplied by the width multiplied by the thickness multiplied by 150mm multiplied by 25mm multiplied by 4mm, respectively measuring the low-temperature flexibility, the low-temperature flexibility after thermal aging and the low-temperature flexibility after artificial climate accelerated aging of the samples, wherein the low-temperature flexibility limit is-26 ℃, the low-temperature flexibility limit temperature after thermal aging is-23 ℃, and the low-temperature flexibility limit temperature after artificial climate accelerated aging is-21 ℃.
Comparative example 1: modified asphalt waterproof coiled material manufactured without adding anti-aging agent
The SBS II PY PE 410 waterproof roll material of the comparative example 1 comprises the following steps: 4500 parts of No. 90 asphalt and 1500 parts of softening agentAdding oil into a mixing tank, uniformly mixing, heating to 185 +/-5 ℃ while stirring, adding 700 parts of SBS modifier and 50 parts of PP particle modifier, mixing and stirring for 1.5 hours, adding 400 parts of tackifying resin, stirring for 30 minutes, adding 3000 parts of filler, stirring for 30 minutes, measuring the viscosity of the coating material to be 68000mPa & s, discharging, coating 260g/m of oil-soaked coating material2And covering PE films on two sides of the polyester base, cooling the coiled material, and packaging into a roll to obtain the SBS II PY PE 410 waterproof coiled material.
Cutting a coiled material sample according to the standard GB 18242 plus 2008, cutting 3 groups of samples, wherein each group of samples comprises 10 small samples, the length multiplied by the width multiplied by the thickness multiplied by 150mm multiplied by 25mm multiplied by 4mm, respectively measuring the low-temperature flexibility, the low-temperature flexibility after thermal aging and the low-temperature flexibility after artificial climate accelerated aging of the samples, wherein the low-temperature flexibility limit is-28 ℃, the low-temperature flexibility limit temperature after thermal aging is-20 ℃, and the low-temperature flexibility limit temperature after artificial climate accelerated aging is-16 ℃.
As can be seen from comparison between the examples 1 and 2 and the comparative example 1, the addition of the anti-aging agent not only improves the low-temperature flexibility performance after thermal aging and after accelerated weathering so that the performance index can meet the requirements of the national standard GB 18242-.
TABLE 1 compositions and proportions of the examples (in parts by weight)
| Example 1 | Example 2 | Comparative example 1 | |
| 90# asphalt | 4500 | 4500 | 4500 |
| Softening oil | 1500 | 1500 | 1500 |
| SBS | 700 | 550 | 550 |
| Anti-aging agent | 500 | 900 | / |
| PP particles | 50 | 50 | 50 |
| Tackifying resins | 450 | 450 | 450 |
| Filler material | 3000 | 3000 | 3000 |
Table 2 example test results
In conclusion, the anti-aging agent for the modified asphalt waterproof coiled material radically solves the problem that asphalt is easy to age, harden and become brittle, and provides the anti-aging agent for the modified asphalt waterproof coiled material. The key point of the invention is that the anti-aging agent prepared by modifying the metal organic complex is introduced into the modified asphalt system. The complex in the anti-aging agent can generate chelation reaction with unsaturated bonds in asphalt, the unsaturated bonds are effectively protected, the attack of active oxygen is prevented to achieve the aim of aging resistance, the heat aging performance and the artificial climate accelerated aging performance of the modified asphalt waterproof coiled material are effectively improved, the addition amount of the modifier can be greatly reduced, the viscosity of the coating material is lower, and the cost is lower.
Claims (3)
1. An anti-aging agent for modified asphalt waterproof coiled materials is characterized by comprising the following components in parts by mass: 3-6% of C5 hydrogenated petroleum resin, 6-9% of coumarone resin, 5-8% of dimethyl phosphate, 65% of complex, 16-18% of heavy calcium carbonate and 2-3% of dispersant;
the preparation process comprises the steps of adding dimethyl phosphate, coumarone resin and C5 hydrogenated petroleum resin into a stirring tank, heating to 110 ℃, then preserving heat, firstly adding a dispersing agent at 500rpm, stirring for 15 minutes, then adding a complex, stirring for 45 minutes at a high speed of 1800rpm at a rotation speed of 1200 rpm, and finally adding heavy calcium carbonate at 500rpm, stirring for 15 minutes, and discharging;
the complex is prepared by mixing one metal ligand of ferric chloride, cobalt chloride, nickel chloride and copper chloride with phenanthroline according to the mass ratio of 1: 2, then adding deionized water with the mass of 50-80 times to fully dissolve the materials, uniformly stirring the materials, developing the materials at 85 ℃, and simultaneously evaporating the water to grow crystals, namely the compound.
2. The anti-aging agent for the modified asphalt waterproofing membrane according to claim 1, characterized in that: the dispersant is one or more of Disponer9250 and NUOSPERSE FA196 produced by ELEMENTIS.
3. The use of the anti-aging agent for modified asphalt waterproofing membrane according to claim 1, characterized in that: the addition amount of the anti-aging agent applied to the modified asphalt waterproof coiled material is 4.5-9.0%.
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| CN111944354B (en) * | 2020-07-28 | 2022-05-24 | 荆门东方雨虹建筑材料有限公司 | Anti-aging agent and application thereof, elastomer modified asphalt waterproof coiled material coating material and preparation method thereof, and modified asphalt waterproof coiled material |
| CN112920613A (en) * | 2021-01-27 | 2021-06-08 | 广西京帅防水科技有限公司 | Modified asphalt waterproofing membrane anti-aging agent and preparation facilities thereof |
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| EP0381125A2 (en) * | 1989-02-03 | 1990-08-08 | Ppg Industries, Inc. | Polymeric-containing compositions with improved oxidative stability |
| CN103408954A (en) * | 2013-08-13 | 2013-11-27 | 甘肃路桥建设集团养护科技有限责任公司 | SBS modified asphalt stabilizing agent |
| CN106554631A (en) * | 2015-09-24 | 2017-04-05 | 牛誉博 | A kind of long-acting asphalt anti-ageing agent and preparation method thereof |
| CN108250851A (en) * | 2018-01-25 | 2018-07-06 | 哈尔滨拓百世环保涂料有限公司 | A kind of asphalt felt sulfide isolation priming paint and preparation method |
| CN108329839A (en) * | 2018-01-31 | 2018-07-27 | 北京宇阳泽丽防水材料有限责任公司 | A kind of uncured rubber asphalt waterproof coating of graft type and preparation method thereof |
| CN108624067A (en) * | 2017-03-24 | 2018-10-09 | 中国石油化工股份有限公司 | A kind of warm mix flame-retardant pitch and preparation method thereof |
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2019
- 2019-01-23 CN CN201910064841.1A patent/CN109943130B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0381125A2 (en) * | 1989-02-03 | 1990-08-08 | Ppg Industries, Inc. | Polymeric-containing compositions with improved oxidative stability |
| CN103408954A (en) * | 2013-08-13 | 2013-11-27 | 甘肃路桥建设集团养护科技有限责任公司 | SBS modified asphalt stabilizing agent |
| CN106554631A (en) * | 2015-09-24 | 2017-04-05 | 牛誉博 | A kind of long-acting asphalt anti-ageing agent and preparation method thereof |
| CN108624067A (en) * | 2017-03-24 | 2018-10-09 | 中国石油化工股份有限公司 | A kind of warm mix flame-retardant pitch and preparation method thereof |
| CN108250851A (en) * | 2018-01-25 | 2018-07-06 | 哈尔滨拓百世环保涂料有限公司 | A kind of asphalt felt sulfide isolation priming paint and preparation method |
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Address after: 710200 Jingwei 10th Road, Jinghe Industrial Park, Gaoling District, Xi'an City, Shaanxi Province Applicant after: Yuzhongqing Waterproof Technology Group Co.,Ltd. Address before: 710200 Jingwei 10th Road, Jinghe Industrial Park, Gaoling District, Xi'an City, Shaanxi Province Applicant before: YU ZHONG QING WATERPROOF TECHNOLOGY GROUP Co.,Ltd. |
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Effective date of registration: 20230511 Address after: 262700 southwest corner of the intersection of Nanhuan road and Yandu Road, Binhai (Yangkou) high tech Development Zone, Shouguang City, Weifang City, Shandong Province Patentee after: Shandong Yuzhongqing waterproof material Co.,Ltd. Address before: 710200 Jingwei 10th Road, Jinghe Industrial Park, Gaoling District, Xi'an City, Shaanxi Province Patentee before: Yuzhongqing Waterproof Technology Group Co.,Ltd. |