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A dual-feature, non-curing technology, used in coatings, adhesives, asphalt coatings, etc., to solve problems such as energy consumption, water leakage, and poor safety
Active Publication Date: 2011-06-08
上海北新月皇新材料集团有限公司 +1
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Problems solved by technology
The existing synthetic rubber asphalt waterproofing membrane is widely used because of its uniform material thickness, convenient and fast construction, but its shortcomings are found in practice: (1) The long-term work reliability is poor, and it is easy to use during use. Bulging, peeling or cracking of the waterproof layer and water leakage at the joints occur; (2) the application area is not wide, and the fit on the uneven surface is poor; (3) the hot-melt method is used for construction, both It consumes energy and pollutes the environment, and the safety is also poor, which is easy to cause fire. (4) The construction quality has a great relationship with human factors, and the technical quality of the construction personnel laying rubber asphalt coils is high.
Its disadvantage is that the thickness and uniformity of the coating are not easy to control during the construction operation, and it is easy to cause water leakage due to local thinning
But its flaw lies in: because the concrete surface of the finished building will crack during the working process, and the solidified sealing layer on the edge of the composite waterproof layer will also crack during the working process, which will affect the long-term of the building. waterproof performance
Method used
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Embodiment 12000
[0019] Embodiment 12000# product (applicable to plane)
[0020] Rubber formula: 48% asphalt, 6% thermoplastic styrene-butadiene rubber, 4% polyisobutylene, 3% tackifying resin, 8% plasticizer, 21% carbon black and calcium carbonate, and 10% dilution aid.
[0021] Product performance: solid content: ≥70%; ash content: 15%-30%; water absorption: ≤2.0g; heat resistance (70°C, 120min): 2.0mm, peel strength after heat aging (N / mm, coated Adhesive and coiled material (70°C, 168h): ≥0.5, qualified.
Embodiment 23000
[0022] Embodiment 23000# product (applicable to facade)
[0023] Rubber formula: 47% asphalt, 7% thermoplastic styrene-butadiene rubber, 5% polyisobutylene, 4% tackifying resin, 9% plasticizer, 20% carbon black and calcium carbonate, and 8% dilution aid.
[0024] Product performance: solid content: ≥70%; ash content: 15%-30%; water absorption: ≤2.0g; heat resistance (70°C, 120min): 2.0mm, peel strength after heat aging (N / mm, coated Adhesive and coiled material (70°C, 168h): ≥0.5, qualified.
Embodiment 35000
[0025] Embodiment 35000# product (reinforcement sealing is used)
[0026] The weight ratio of rubber materials: 45% asphalt, 8% thermoplastic styrene-butadiene rubber, 6% polyisobutylene, 7% tackifying resin, 8% plasticizer, 20% carbon black and calcium carbonate, and 6% dilution aid.
[0027] Product performance: solid content: ≥70%; ash content: 20%-40%; water absorption: ≤2.0g; heat resistance (70°C, 120min): 2.0mm, peel strength after heat aging (N / mm, coated Adhesive and coiled material (70°C, 168h): ≥1.0, qualified.
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Abstract
The invention relates to non-curing waterproof glue with double character. The non-curing waterproof glue is mixed by asphalt used as main material and auxiliary materials which contain thermoplastic elastomer, modifier, tackifier, plasticizer, diluting additive and filler. As the modified asphalt sizing material uses high quality thermoplastic styrene-butadiene rubber as raw material to improve the high temperature performance, uses tackifying resin to increase the viscosity of asphalt, uses the plasticizer to improve the compatibility and processing performance between asphalt and the modifier and uses carbon black and calcium carbonate with stable chemical properties as filler, the ultraviolet ray aging resistance of the non-curing waterproof glue of the invention can be improved, the reinforcing effect can be realized and the production cost can be reduced; and the non-curing waterproof glue product can remain solid at the room temperature and can be in a flexible glue state and be not cured in a sealing state.
Description
technical field [0001] The invention relates to the technical field of building waterproof material manufacturing, in particular to a waterproof material that can adapt to a certain deformation of the base layer and withstand a certain pressure, helps to solve the problem of water leakage in the waterproof layer, has the characteristics of being solid after contacting air at normal temperature, and maintaining softness in a sealed environment. Non-curing waterproof adhesive with dual characteristics of adhesive state. Background technique [0002] In recent years, with the rapid development of social economy and municipal construction, people have put forward high-level requirements for long-term waterproofing of buildings. For this, it has become one of the scientific research projects in various countries in the world. In the field of building waterproofing, rubber asphalt materials have always played a leading role because of their excellent waterproof performance. At pre...
Claims
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Application Information
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