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Styrene-ethylene-butylene-styrene (SEBS) self-adhesion waterproof plate and production method thereof
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A production method, self-adhesive waterproof technology, applied in chemical instruments and methods, layered products, earthwork drilling, etc., can solve the problems of synchronization, large impact on quality and construction environment, and difficult quality.
Inactive Publication Date: 2015-06-17
HENGSHUI HANLIN ENG MATERIAL TECH DEV
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Problems solved by technology
Traditional asphalt-based waterproofing membranes are made of polymer-modified asphalt or polymer-modified asphalt, such as SBS modified asphalt waterproofing membranes and APP modified asphalt waterproofing membranes. , Self-adhesive polymer modified bitumen waterproofing membrane, high polymer modified bitumen waterproofing membrane for bridge deck waterproofing, etc. They are constructed by hot-melt or self-adhesive, and they play a huge role in waterproofing. However, under normal use, these traditional asphalt-modified materials generally have a service life of 25 to 30 years, which is difficult to keep pace with the service life of the building; in addition, the asphalt base of the coil and the concrete structure are bonded The performance is greatly affected by the skillful operation of the construction personnel, the quality of the base treatment agent and the construction environment, and the quality is difficult to meet the construction specification requirements consistently and efficiently.
Therefore, there are often problems such as poor bonding, hollowing, foaming, water leakage, etc.
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Embodiment 1
[0057] Example 1: First take SEBS elastomer with a weight content of 2%, add 11.5% of rubber, add 20% of tackifier, 5% of resin and 26% of softener, stir for 2.5 hours at 140-180°C, swell and mix, and then Disperse once through the guide tank of the strong shearing equipment, then add the remaining rubber 11.5%, tackifier 20%, anti-aging agent 1.5% and functional additive 2.5% and stir evenly, and finally get a uniform and stable viscous rubber-plastic co- Mixed modified viscoelastic composition-SEBS self-adhesive liquid; cool down to 145°C for use;
[0058] Coating the cooled SEBS self-adhesive liquid on the substrate to form a SEBS self-adhesive layer;
[0059] The SEBS self-adhesive layer is covered with isolation material to prevent adhesion.
Embodiment 2
[0060]Embodiment 2: first take SEBS elastomer weight content is 5%, rubber adds 9.5%, tackifier adds 19%, resin 4% and softening agent 26%, stir 2.5 hours under the condition of 140~180 ℃, swell and mix, then Disperse once through a strong shearing equipment guide tank, then add 9.5% of the remaining rubber, 19% of tackifier, 1% of anti-aging agent, 4% of filler, and 3% of functional additives to stir evenly, and finally get a uniform and stable viscosity Rubber-plastic blended modified viscoelastic composition-SEBS self-adhesive liquid; cool down to 150°C for use;
[0061] Coating the cooled SEBS self-adhesive liquid on the substrate to form a SEBS self-adhesive layer;
[0062] The SEBS self-adhesive layer is covered with isolation material to prevent adhesion.
Embodiment 3
[0063] Embodiment 3: first get SEBS elastomer weight content to be 8%, rubber adds 7.5%, tackifier adds 15.5%, resin 4% and softener 27% stir 2.5 hours under the condition of 140~180 ℃, swell and mix, then Disperse once through a strong shearing equipment guide tank, then add 7.5% of the remaining rubber, 15.5% of tackifier, 1% of anti-aging agent, 10% of filler, and 4% of functional additives to stir evenly, and finally get a uniform and stable viscosity Rubber-plastic blended modified viscoelastic composition-SEBS self-adhesive liquid; cool down to 160°C for use;
[0064] Coating the cooled SEBS self-adhesive liquid on the substrate to form a SEBS self-adhesive layer;
[0065] The SEBS self-adhesive layer is covered with isolation material to prevent adhesion.
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Abstract
The invention relates to a styrene-ethylene-butylene-styrene (SEBS) self-adhesion waterproof plate and a production method thereof and belongs to the field of building waterproof materials. A coiled material is composed of layers of a separation layer, an SEBS self-adhesion glue layer and a substrate, the production method includes firstly adding an SEBS elastomer and a rubber, adding a tackifier, a resin and a softening agent, stirring the mixture for 2.5-4 hours at the temperature of 140 DEG C-180 DEG C, performing swelling and blending, using a guide cylinder of a power shearing device for dispersing, and adding and stirring rest rubbers, the tackifier and functional auxiliaries to obtain an even and stable thick rubber and plastic mixing modified viscoelasticity composition-SEBS self-adhesion glue liquid; reducing the temperature to 140 DEG C to 160 DEG C for standby application; coating the cooled SEBS self-adhesion glue liquid on the substrate to form the SEBS self-adhesion glue layer; and covering the separation layer which is used for separating materials from being adhered. According to the SEBS self-adhesion waterproof plate and the production method thereof, the problems of insecure adhesion, bugling foaming, water escaping, leakage and the like are solved.
Description
technical field [0001] The invention relates to a non-asphalt-based self-adhesive waterproof board and a production method thereof, belonging to the field of building waterproof materials. Background technique [0002] At present, waterproof materials are usually divided into five categories: waterproof coiled materials, waterproof coatings, water plugging materials, rigid waterproof and sealing materials. For large-area waterproof construction, waterproof membrane is the preferred material for the current. Traditional asphalt-based waterproofing membranes are made of polymer-modified asphalt or polymer-modified asphalt, such as SBS modified asphalt waterproofing membranes and APP modified asphalt waterproofing membranes. , Self-adhesive polymer modified bitumen waterproofing membrane, high polymer modified bitumen waterproofing membrane for bridge deck waterproofing, etc. They are constructed by hot-melt or self-adhesive, and they play a huge role in waterproofing. Howeve...
Claims
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Application Information
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