Seal primer special for heat-insulating waterproof paint and preparation method of seal primer
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A technology of sealing primer and waterproof coating, applied in fire-resistant coatings, primers, reflective/signal coatings, etc., can solve the problems of aging cracking waterproof layer, failure, roof leakage, etc., to slow down the aging process, increase strength, reduce crack effect
Inactive Publication Date: 2016-04-13
哈尔滨拓百世环保涂料有限公司
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Problems solved by technology
[0011] The purpose of the present invention is to solve the problem that the existing asphalt linoleum waterproofing coiled material is used as a roof waterproofing material due to the failure of the waterproof layer caused by aging and cracking, thereby resulting in leakage of the roof, and to provide a special sealing primer for heat-insulating and waterproof coatings and its preparation method
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specific Embodiment approach 1
[0018] Specific embodiment one: This embodiment is a special sealing primer for heat-insulating and waterproof coatings, which consists of 25-35 parts by weight of deionized water, dispersant I, dispersant II, 45-55 parts of filler, 0.7-35 parts by weight. 0.9 parts of defoamer Ⅰ, 10-15 parts of pigment, 3-5 parts of thickener premix, 15-25 parts of emulsion, 0.7-0.9 parts of defoamer Ⅱ, 1.5-2.0 parts of film-forming agent and 0.6-1.2 prepared from an antifungal agent, and adjust the pH value of the special sealing primer for heat-insulating and waterproof coatings to 9.0 to 9.5 by using ammonia water with a mass fraction of 28%; the total amount of the dispersant I and dispersant II is 0.5 ~0.8 parts, and the mass ratio of the dispersant I to the dispersant II is (4~5):1.
specific Embodiment approach 2
[0019] Embodiment 2: The difference between this embodiment and Embodiment 1 is that the filler is ground calcium carbonate with a particle size of 800 meshes. Others are the same as the first embodiment.
specific Embodiment approach 3
[0020] Embodiment 3: This embodiment differs from Embodiment 1 or Embodiment 2 in that: the defoamer I is an NXZ defoamer. Others are the same as those in Embodiment 1 or 2.
[0021] The NXZ type defoamer described in this embodiment is the NXZ type defoamer produced by Nopco.
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Abstract
The invention relates to a seal primer and a preparation method thereof, in particular to a seal primer special for heat-insulating waterproof paint and a preparation method of the seal primer. The seal primer special for the heat-insulating waterproof paint and the preparation method of the seal primer aim at solving the problems that when an existing asphalt felt waterproof roll is used as a roof waterproof material, ageing cracking occurs, a waterproof layer fails, and consequently a roof leaks. The seal primer special for the heat-insulating waterproof paint is prepared from deionized water, a dispersing agent I, a dispersing agent II, filler, a defoaming agent I, pigment, a thickening agent premix, emulsion, a defoaming agent II, a film-forming agent and a mould inhibitor by weight. The preparation method includes the steps that firstly, weighing is carried out; secondly, slurry is prepared; thirdly, final mixing is carried out, and the seal primer special for the heat-insulating waterproof paint is obtained. The seal primer special for the heat-insulating waterproof paint and the preparation method have the advantages that the seal primer special for the heat-insulating waterproof paint has the excellent properties of high strength, large elongation, high and low temperature resistance, ageing resistance, large bonding force and good extensibility, construction is easy and convenient, and the construction period is short. The preparation method is mainly used for preparing the seal primer special for the heat-insulating waterproof paint.
Description
technical field [0001] The invention relates to a sealing primer and a preparation method thereof. Background technique [0002] Building waterproof engineering is a sub-project to ensure that the structure of buildings (structures) is not invaded by water and the internal space is not harmed by water. Building waterproofing plays an important role in the whole construction project. It involves the basement, wall, floor, wall, roof and many other parts of the building (structure). Its function is to prevent the erosion of rainwater, production and domestic water leakage within the design durability period of the building (structure), to ensure that the building structure and internal space are not defaced, and to provide people with a comfortable and safe living space environment. [0003] House roof waterproofing in building waterproofing engineering is a systematic project, which is related to the normal operation of building functions and the service life of buildings. ...
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