Plastering mortar for exterior wall external insulation of phenolic aldehyde foam board, and preparation method thereof
A technology for phenolic foam board and external wall thermal insulation, which is applied in the field of plastering mortar materials, can solve the problems of low alkalinity, cracking and bonding, and not firmness of plastering mortar, and achieves fast coagulation and hardening, offset dry shrinkage, and good coordination. Effect
Inactive Publication Date: 2018-10-23
北京傲德新材料科技有限公司
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Problems solved by technology
Due to the addition of zeolite powder in the formula, the plastering mortar has lower alkalinity and higher strength to solve the technical problems of easy cracking and weak bonding when the mortar is bonded to the phenolic foam board
Method used
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preparation example Construction
[0031] The concrete preparation method of above-mentioned plastering mortar comprises the steps:
[0032] First, take each component according to the proportioning ratio;
[0033] Second, the sulphoaluminate cement and quartz sand are stirred evenly;
[0034] Third, pour zeolite powder, cellulose ether, rubber powder, bentonite and short fibers into the mixer in turn to stir and mix evenly;
[0035] Fourth, packaging and storage.
[0036] Examples 1-3 were obtained according to the above-mentioned preparation method, and the selection of specific reactants in the examples is shown in Table 1 below.
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Abstract
The invention discloses plastering mortar for the exterior wall external insulation of a phenolic aldehyde foam board, and a preparation method thereof. The plastering mortar for the exterior wall external insulation of the phenolic aldehyde foam board is prepared from the following components in parts by weight: 350 to 450 parts of sulphate aluminum cement, 500 to 600 parts of quartz sand, 50 to100 parts of zeolite powder, 4 to 6 parts of cellulose ether, 25 to 30 parts of rubber powder, 15 to 20 parts of bentonite, and 2 to 3 parts of short fiber. The plastering mortar provided by the invention is simple in formula and reasonable in matching ratio; the synergism of the components is good, so that the activity and the workability are improved; the plastering mortar is easy to float in site by workers, so that the operability is high. The mortar contains a certain amount of active silica and disilicon trioxide which can be acted with hydration product calcium hydroxide of the cement so as to generate a low-alkaline condensate with a stable property, and a gel material is formed, so that the strength is improved. The alkalinity of the cement is slowly neutralized, so that a pH value in the plastering mortar is reduced; during the application process, the mortar contact an acid phenolic aldehyde board so as to obtain better strength, so that the risk of cracking and falling between the mortar and the phenolic aldehyde board can be reduced, and the better safe connectivity is obtained.
Description
technical field [0001] The invention relates to the field of plastering mortar materials, in particular to a plastering mortar for external thermal insulation of external walls of phenolic foam boards and a preparation method thereof. Background technique [0002] The current urban construction attaches great importance to the energy-saving design of buildings, and the country has invested a lot of money in the construction of energy-saving and thermal insulation for the outer walls of old residential areas in urban areas. Phenolic foam inherits the flame retardancy and structural stability of phenolic resin itself. It has the characteristics of fire resistance and flame retardancy, no dripping in case of fire, good dimensional stability in alternating hot and cold environments, and acid and alkali corrosion resistance. It has achieved great achievements in the field of building energy conservation. Great development. [0003] The construction of external wall insulation te...
Claims
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IPC IPC(8): C04B28/06
CPCC04B28/06C04B2111/00508C04B2201/10C04B14/06C04B14/047C04B24/383C04B14/104C04B24/2623C04B16/04
Inventor 朱佑平尹甫四
Owner 北京傲德新材料科技有限公司
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