CN101560331B - Method for preparing self-adhesive particle regenerated rubber modified asphalt for self-adhesive waterproof rolls - Google Patents
Method for preparing self-adhesive particle regenerated rubber modified asphalt for self-adhesive waterproof rolls Download PDFInfo
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- CN101560331B CN101560331B CN200910068955XA CN200910068955A CN101560331B CN 101560331 B CN101560331 B CN 101560331B CN 200910068955X A CN200910068955X A CN 200910068955XA CN 200910068955 A CN200910068955 A CN 200910068955A CN 101560331 B CN101560331 B CN 101560331B
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Abstract
The invention provides a method for preparing self-adhesive particle regenerated rubber modified asphalt for self-adhesive waterproof rolls, and relates to a method for preparing modified asphalt. Themethod is a modified asphalt preparation method with high performance price ratio and competitive strength. The method comprises the following steps: adopting 100 portions of 28-30 mesh particle rege nerated rubber, 100 portions of No.90 asphalt, 20 to 40 portions of tackifier, 2 to 10 portions of plasticizer, 5 to 40 portions of filler, 2 to 10 portions of viscosity regulator, 1 to 2 portions of anti-aging agent and 1 to 2 portions of vulcanizing agent; placing the 28-30 mesh particle regenerated rubber into an agitation reactor which is filled with the No.90 asphalt and has the temperature of between 120 and 150 DEG C, and adding the tackifier, the plasticizer, the filler, the viscosity regulator, the anti-aging agent and the vulcanizing agent into the agitation reactor in turn accordingto the proportion after the temperature is raised to be between 180 and 200 DEG C; and simultaneously adopting the speed of between 100 and 200 revolutions per minute for stirring, controlling the te mperature to between 160 and 180 DEG C and the reaction time to be between 20 and 40 minutes, and obtaining the self-adhesive particle regenerated rubber modified asphalt. The product prepared by the method can be used for self-adhesive layers of the self-adhesive waterproof rolls.
Description
Technical field:
The present invention relates to a kind of modified asphalt preparation method.A kind of preparation method of self-adhesive particle regenerated rubber modified asphalt for self-adhesive waterproof rolls particularly.
Background technology:
At present, along with developing rapidly of construction industry, waterproof novel material, novel process are constantly brought forth new ideas, and be widely used in the new type waterproof coiled material of all kinds of buildingss, as polymer modified asphalt waterproof roll or polymer membranes etc., all have excellent physical and mechanical performance, and material differs from one another.
But, when using general waterproof roll laying construction, need with the waterproof roll hot melt or on the paved surface of waterproof roll brushing contain the tackiness agent of volatile organic solvent, to increase bonding between waterproof roll and the buildings basal plane.And as the waterproof structure layer of buildings, when the duration of service of buildings was longer, as soon as the waterproof structure layer breakage that waterproof roll constitutes, water is channelling everywhere, is not easy to find breakthrough, maintenance difficult.
Present adhesive waterproof coil comprises waterproof base material, self-adhesive layer and interleaving paper, and with interleaving paper as the protective lining rolling of curling.
During use, adhesive waterproof coil can be laid immediately on the buildings basal plane, have the self-adhesion intensity of convenient construction.Its waterproof base material need have the excellent waterproof penetrating quality, and certain intensity, its self-adhesive layer need have the binding property with the buildings basal plane, the peel strength height, the self-healing performance is good, high and low temperature resistance is good, the characteristic of hole and the advantage that adapts to buildings basal plane strain cracking are filled up in unique self-healing, when it is used as underground works, self-adhesive layer can increase the bond properties between waterproof roll and the buildings basal plane, improve anti-water vapour permeability, can be in the moist buildings basal plane construction of no open fire.
The waterproof base material of adhesive waterproof coil can adopt the polymer modified asphalt waterproof roll, as the SBS modified asphalt waterproof coiled material, be vinylbenzene and butadienecopolymer modified asphalt waterproof coiled material, APP modified asphalt waterproof coiled material, i.e. Atactic Polypropelene modified asphalt waterproof coiled material etc.;
The waterproof base material of adhesive waterproof coil can also adopt polymer membranes, as EPDM, i.e. and EPDM rubber waterproof rolling material, CPE, i.e. chlorinated polyethylene waterproof roll, PVC, i.e. PVC waterproof roll etc.
The self-adhesive layer of adhesive waterproof coil can adopt unvulcanised film or self-adhesion modifying asphalt as self adhesive material.
Wherein, when adopting the unvulcanised film as self adhesive material, technology is comparatively complicated.
And the self-adhesion modifying asphalt has overcome the hot mastication of pitch itself and the shortcoming of low temperature brittleness, and it is good to have the self-healing performance, and the self-adhesion performance waits superperformance well.During as the adhesive waterproof coil self-adhesive layer, compare, have high-temperature heat-resistance, low-temperature cracking-resistance, self adhesion and self-healing with unmodified pitch.
At present, it is to mix with the method for various rubber pitch to be carried out modification in pitch that the bituminous method of modifying has varied, traditional method, or adopts rubber, pitch are carried out emulsification, makes the method for rubber asphalt emulsion pitch is carried out modification.Wherein, utilize junked tire to be ground into the rubber powder modified asphalt of certain order number, the self-adhesive layer that is used to lay town road or prepares adhesive waterproof coil is used in construction work.
But, only directly mix the bituminous method when pitch is carried out modification with the waste rubber powder of certain order number, because powdered rubber and pitch can not present molten state, and powdered rubber can be mixed the ratio of adding in pitch less, pitch can not obtain complete modification, susceptibility to temperature is improved not quite, still has the low temperature brittleness cracking, the shortcoming of hot mastication, therefore, waste rubber powder is never well used on town road.
In order to guarantee the high performance of water-proof material and operating technique thereof, development is more, and cost performance is high, and competitive waterproof material is the task of top priority.
Summary of the invention:
The present invention aims to provide a kind of preparation method of self-adhesive particle regenerated rubber modified asphalt for self-adhesive waterproof rolls, and its cost performance is higher than general adhesive waterproof coil, is a kind of competitive modified asphalt preparation method.
The present invention utilizes the modifying asphalt of granules regeneration rubber, pitch and Synergist S-421 95 preparation to can be used as the self-adhesive layer of adhesive waterproof coil.The preparation method of this self-adhesive layer compares with the general employing unvulcanised film preparation method as the self-adhesive layer of adhesive waterproof coil, and its technology is simple; Compare as the method for the self-adhesive layer of adhesive waterproof coil with the modifying asphalt that adopts waste rubber powder directly to mix the preparation of bituminous method, the performance of this self-adhesive layer is improved.Made self-adhesion granules regeneration rubber modified asphalt is the viscosity water-proof material, and its peel strength height is good with buildings basal plane cementability, just can be bonding with finger pressure, and realized the comprehensive utilization of waste old.
Technical scheme of the present invention:
1, the batching of self-adhesion granules regeneration rubber modified asphalt
With 28～30 purpose granules regeneration rubber serves as that the weight percent of basis amount 100%, each component is:
28～30 order granules regeneration rubber 100
90# pitch 100
Tackifier-rosin 20～40
Softening agent-phthalic ester 2～10
Filler-light calcium carbonate 5～40
Viscosity modifier-soybean oil 2～10
Anti-aging agent-antioxidant A 1～2
Vulcanizing agent-sulphur 1～2
Wherein,
Granules regeneration rubber is modified rubber powder, is to meet the modified rubber powder of GD/T19208-2008 about the vulcanized rubber powder standard;
Antioxidant A is N-phenyl-∝ naphthylamines.
2, the complete processing of self-adhesion granules regeneration rubber modified asphalt:
It is 120 ℃～150 ℃ that 28～30 purpose granules regeneration rubber of aforementioned proportion are put into temperature, be equipped with in the 90# bituminous stirred reactor, after being warming up to 180 ℃～200 ℃, add tackifier, softening agent, filler, viscosity modifier, anti-aging agent, the vulcanizing agent of aforementioned proportion successively; Adopt 100-200 rev/min speed to stir simultaneously, and controlled temperature in 20～40 minutes reaction times, obtain self-adhesion granules regeneration rubber modified asphalt at 160 ℃～180 ℃.
Operation principles of the present invention and positively effect:
Analyze by granules regeneration rubber and pitch cohesive process, granules regeneration rubber disperses in heated bitumen better, in the time of 160 ℃, the mixing of pitch and granules regeneration rubber promptly can produce mutual diffusion mutually, formation has the bigger asphaltene molecule of activation energy, is filled in the space of granules regeneration rubber, invade in the little reticulated structure of granules regeneration rubber, indivedual chain links of granules regeneration rubber molecule diffuse in the pitch simultaneously, and the result of phase mutual diffusion has formed the structure of self-adhesion granules regeneration rubber modified asphalt.
The made self-adhesion granules regeneration rubber modified asphalt characteristics of the present invention are as follows:
(1) need not heating or use tackiness agent in easy to use, easy construction, the construction;
(2) this material is solvent-free, the transportation storage is convenient, safe in utilization, the protection environment;
(3) polarity, nonpolar various buildings basal planes all had certain bonding force;
(4) realized the comprehensive utilization of waste old.
The made self-adhesion granules regeneration of the present invention rubber modified asphalt has good self-healing property, has good cementability with concrete and not solidified concrete.
Granules regeneration rubber be different from waste rubber powder and bituminous blend mixing of heated bitumen, because, swelling process only takes place in waste rubber powder in pitch, increase along with the rubber powder consumption, the viscosity of rubber powder modified asphalt also increases thereupon, production technique is added to the difficulties thereupon, must use colloidal mill to grind chain rupture, and cause made self-adhesion sizing material inhomogeneous.
Can prepare self-adhesion vulcanized rubber waterproof roll with self-adhesion granules regeneration rubber modified asphalt;
This self-adhesion vulcanized rubber waterproof roll is composited successively by vulcanized rubber waterproof base material, self-adhesion granules regeneration rubber modified asphalt self-adhesive layer and interleaving paper.
The preparation method of self-adhesion vulcanized rubber waterproof roll is:
At the upper surface of vulcanized rubber waterproof base material, be that 160 ℃～180 ℃ self-adhesion granules regeneration rubber modified asphalt is coated on the waterproof base material to roll the subsides method with temperature, form self-adhesive layer; The interleaving paper that will contain silicone oil again is attached on the self-adhesive layer, is curled into the finished product volume, is with the vulcanized rubber waterproof roll of self-adhesion granules regeneration rubber modified asphalt as self-adhesive layer.It simultaneously is high-intensity vulcanized rubber waterproof base material, the self-adhesive layer that one side is made for the granules regeneration rubber modified asphalt of self-adhesion, and with the interleaving paper insulation blocking.
The adhesive waterproof coil that uses self-adhesion granules regeneration rubber modified asphalt to make as self-adhesive layer, its cost performance is higher than general waterproof roll; The peel strength height, good with buildings basal plane cementability, when construction, can remove hot melt from or use the cold construction of tackiness agent brushing, just can be bonding with finger pressure with the buildings basal plane.Only need during construction coiled material is opened, be layered in advance on the buildings basal plane, paste the location, slowly extract the interleaving paper that scribbles silicone oil again from the bottom surface out, with rubber roll catch up with gas, compress, compacting gets final product.
The waterproof roll that the made self-adhesion granules regeneration of the present invention rubber modified asphalt is made as self-adhesive layer can form " skin-type " self-adhesion waterproof layer, and one side is a self-adhesive layer, and one side is the sulfide type waterproof roll.
When in a single day the waterproof base material of made adhesive waterproof coil has seepage to take place, the self-adhesion granules regeneration rubber modified asphalt of this self-adhesive layer can be with the infiltration area constraints in scope very little around the breakthrough, search easily during maintenance and repair, anti-sealing is freely fled between waterproof base material and waterproof layer, has guaranteed the water-repellancy and the weather resistance of engineering.
This self-adhesion vulcanized rubber waterproof roll, main performance index reaches JC840-1999 and GB18173.1-2006 standard index.
Its thermal stability: heat 2h under 80 ℃ of conditions, no bubble, fricton-tight.
Flexibility :-20 ℃, Φ 20mm, crooked 180 degree flawlesses,
Stripping strength: N/mm 〉=1.5 or adhesive face rupture outward.
This self-adhesion vulcanized rubber waterproof roll has following characteristics:
1, resistance to low temperature is superior, is suitable for winter construction.
2, all has good cementability with concrete and not solidified concrete.Viscosity is big, is easy to bondingly, slightly firmly can heal voluntarily and wear out the position of damage.
3, the high-and low-temperature resistance performance is good, and performance index meet JC840-1999 and GB18173.1-2006 standard index.
4, product has changed the form of construction work of common hot melt, welding and adhesive bonds of waterproof roll.Adopt cold junction " skin-type " bonding, construction is simple.
5, utilize industrial solid castoff, make changing waste rubber into resources, thereby obtain recycling.
6, normal temperature construction down, the interleaving paper of tearing gets final product paving, and technology is easy.
The made self-adhesion granules regeneration of the present invention rubber modified asphalt can also be used for impregnating material.
In sum, the present invention is the preparation method of a kind of waterproof roll with self-adhesion granules regeneration rubber modified asphalt, and its cost performance is higher than general waterproof roll, is a kind of competitive modified asphalt preparation method.
The present invention utilizes the modifying asphalt of granules regeneration rubber, pitch and Synergist S-421 95 preparation to can be used as the self-adhesive layer of adhesive waterproof coil.The preparation method of this self-adhesive layer compares with the general employing unvulcanised film preparation method as the self-adhesive layer of adhesive waterproof coil, and its technology is simple; Compare as the method for the self-adhesive layer of adhesive waterproof coil with the modifying asphalt that adopts waste rubber powder directly to mix the preparation of bituminous method, the performance of this self-adhesive layer is improved.Made self-adhesion granules regeneration rubber modified asphalt is the viscosity water-proof material, and its peel strength height is good with buildings basal plane cementability, just can be bonding with finger pressure, and realized the comprehensive utilization of waste old.
Embodiment:
Embodiment 1:
Self-adhesion granules regeneration rubber modified asphalt prescription
With 28 purpose granules regeneration rubber is the basis amount, and the weight percent of each component is:
28 order granules regeneration rubber 100kg
90# pitch 100kg
Tackifier-rosin 20kg
Softening agent-phthalic ester 2kg
Filler-light calcium carbonate 10kg
Viscosity modifier-soybean oil 3kg
Anti-aging agent-antioxidant A 1kg
Vulcanizing agent-sulphur 1kg
Add up to 237kg
Complete processing;
It is 120 ℃ that 100kg 28 order granules regeneration rubber are put into temperature, be equipped with in the 90# pitch 100kg reactor, be warming up to 180 ℃, add rosin 20kg, phthalic ester 2kg, light calcium carbonate 10kg, soybean oil 3kg, antioxidant A 1kg, sulphur 1kg successively, adopt 100 rev/mins speed to stir simultaneously, controlled temperature is about 180 ℃, in 30 minutes reaction times, obtain self-adhesion granules regeneration rubber modified asphalt.
The subsides method is rolled in the employing of self-adhesion granules regeneration rubber modified asphalt to be coated on the waterproof base material made from the ethylene-propylene-diene monomer film, constitute self-adhesive layer, attaching contains the interleaving paper of silicone oil on self-adhesive layer, cans, through the check warehouse-in, obtain with the adhesive waterproof coil of self-adhesion granules regeneration rubber modified asphalt as self-adhesive layer.
Embodiment 2:
Self-adhesion granules regeneration rubber modified asphalt prescription
With 30 purpose granules regeneration rubber is the basis amount, and the weight percent of each component is:
30 order granules regeneration rubber 100kg
90# pitch 100kg
Rosin 30kg
Phthalic ester 1kg
Light calcium carbonate 12kg
Soybean oil 2kg
Antioxidant A 0.5kg
Sulphur 1.5kg
Add up to 247kg
Complete processing;
It is 120 ℃ that 100kg 28 order granules regeneration rubber are put into temperature, be equipped with in the 90# pitch 100kg reactor, be warming up to 180 ℃, add rosin 30kg, phthalic ester 1kg, light calcium carbonate 12kg, soybean oil 2kg, antioxidant A 0.5kg, sulphur 1.5kg successively, adopt 100 rev/mins speed to stir simultaneously, controlled temperature is about 180 ℃, in 40 minutes reaction times, obtain self-adhesion granulated rubber modifying asphalt.
Performance to the made adhesive waterproof coil of embodiment 1, embodiment 2 detects, and its result is as follows:
All reach self-adhesive rubber asphalt waterproofing coiled material JC840-1999 standard index after testing and reach polymer membranes GB18173.1-2006 standard index.
The main measured value of its physical and mechanical property is as follows:
By above-mentioned detected result as can be known, with the self-adhesion granules regeneration rubber modified asphalt of the present invention preparation adhesive waterproof coil as self-adhesive layer, the requirement of index that every item is up to standard, this adhesive waterproof coil are advanced, can cold construction, flexible good and prefabricated profiled adhesive waterproof coil.It has " self-healing " function, is widely used in public works, construction work, subway engineering, the underground works.
Claims (2)
1. the preparation method of a self-adhesive particle regenerated rubber modified asphalt for self-adhesive waterproof rolls is characterized in that:
The batching of self-adhesion granules regeneration rubber modified asphalt is:
With 28～30 purpose granules regeneration rubber serves as that measure on the basis, the weight part of each component is:
28～30 order granules regeneration rubber 100
90# pitch 100
Tackifier-rosin 20～40
Softening agent-phthalic ester 2～10
Filler-light calcium carbonate 5～40
Viscosity modifier-soybean oil 2～10
Anti-aging agent-antioxidant A 1～2
Vulcanizing agent-sulphur 1～2,
The complete processing of self-adhesion granules regeneration rubber modified asphalt:
It is 120 ℃～150 ℃ that 28～30 purpose granules regeneration rubber of aforementioned proportion are put into temperature, be equipped with in the 90# bituminous stirred reactor, after being warming up to 180 ℃～200 ℃, add tackifier, softening agent, filler, viscosity modifier, anti-aging agent, the vulcanizing agent of aforementioned proportion successively; Adopt 100-200 rev/min speed to stir simultaneously, and controlled temperature in 20～40 minutes reaction times, obtain self-adhesion granules regeneration rubber modified asphalt at 160 ℃～180 ℃.
2. according to the preparation method of the described self-adhesive particle regenerated rubber modified asphalt for self-adhesive waterproof rolls of claim 1, it is characterized in that:
Self-adhesion granules regeneration rubber modified asphalt batching is:
With 28 purpose granules regeneration rubber serves as that measure on the basis, the weight part of each component is:
28 order granules regeneration rubber 100kg
90# pitch 100kg
Tackifier-rosin 20kg
Softening agent-phthalic ester 2kg
Filler-light calcium carbonate 10kg
Viscosity modifier-soybean oil 3kg
Anti-aging agent-antioxidant A 1kg
Vulcanizing agent-sulphur 1kg
Add up to 237kg,
Complete processing:
It is 120 ℃ that 100kg 28 order granules regeneration rubber are put into temperature, be equipped with in the 90# pitch 100kg reactor, be warming up to 180 ℃, add rosin 20kg, phthalic ester 2kg, light calcium carbonate 10kg, soybean oil 3kg, antioxidant A 1kg, sulphur 1kg successively, adopt 100 rev/mins speed to stir simultaneously, controlled temperature is about 180 ℃, in 30 minutes reaction times, obtain self-adhesion granules regeneration rubber modified asphalt.
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Cited By (1)
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| CN101967868A (en) * | 2010-07-13 | 2011-02-09 | 北京立高科技股份有限公司 | High-self-adhesive waterproof roll material of SBS (Styrene-Butadiene-Styrene) modified asphalt and production process thereof |
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| CN103073219B (en) * | 2013-01-09 | 2014-12-03 | 辽宁省交通科学研究院 | High-modulus bituminous concrete additive |
| CN103408956B (en) * | 2013-08-16 | 2016-05-11 | 周乃承 | A kind of high performance modified bitumen and preparation method thereof |
| CN105882071A (en) * | 2014-11-28 | 2016-08-24 | 天津市禹神建筑防水材料有限公司 | Waterproof coil of reaction bonding strong crossed membrane |
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| CN109705590B (en) * | 2018-12-29 | 2021-08-06 | 芜湖东方雨虹建筑材料有限公司 | Self-healing self-adhesive rubber asphalt, preparation method thereof and self-adhesive rubber asphalt waterproof coiled material |
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| CN1621450A (en) * | 2004-10-29 | 2005-06-01 | 余建国 | SBS modified asphalt high-self-adhesive waterproof coiled material and its preparing process |
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| CN101967868A (en) * | 2010-07-13 | 2011-02-09 | 北京立高科技股份有限公司 | High-self-adhesive waterproof roll material of SBS (Styrene-Butadiene-Styrene) modified asphalt and production process thereof |
| CN101967868B (en) * | 2010-07-13 | 2012-10-10 | 北京立高科技股份有限公司 | High-self-adhesive waterproof roll material of SBS (Styrene-Butadiene-Styrene) modified asphalt and production process thereof |
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