Bacteriostatic insulation board for refrigeration house and preparation method of bacteriostatic insulation board
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A technology of thermal insulation board and cold storage, applied in the field of thermal insulation materials, can solve the problems of high temperature and humidity, antibacterial performance needs to be improved, easy to breed mold, etc., and achieves low thermal conductivity, enhanced odor removal effect, and enhanced antibacterial stability. sexual effect
Active Publication Date: 2021-06-11
深圳市均佳机电设备有限公司
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Problems solved by technology
[0005] In view of the above-mentioned related technologies, the inventor believes that in practical application, the obtained cold storage insulation board is not well ventilated in the cold storage, the temperature and humidity are too high, easy to breed mold, and the antibacterial performance still needs to be improved.
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preparation example 1-3
[0043] In the preparation example 1-3, the graphene oxide in the preparation example is selected from Hunan Fenghua Material Development Co., Ltd., the model is FH-661, the snail extract is selected from Guangzhou Yulu Chemical Co., Ltd., the model is 100G, and the hydroxyapatite is selected from Xi'an Binghe Biotechnology Co., Ltd., model BQQJLHS, bromochlorohydantoin was selected from Shandong Kepler Biotechnology Co., Ltd., product number BCDMH, modified zeolite was selected from Jiangxi Xintao Technology Co., Ltd., model XT31001, silane coupling The joint agent was selected from Guangzhou Zhongjie Chemical Technology Co., Ltd., and the model was 550.
preparation example 1
[0044] Preparation Example 1: (1) 2.5kg of modified zeolite was added to 5kg of snail extract, soaked for 20 hours at room temperature, and vacuum-dried at 60°C to prepare pretreated modified zeolite;
[0045] (2) Mix the pretreated modified zeolite and 1.5kg of nano-hydroxyapatite, stir evenly at 60°C, add 1kg of bromochlorohydantoin, 2.8kg of graphene oxide and 0.5kg of silane coupling agent, and heat up to 80°C , stir evenly, grind, and obtain compound antibacterial agent.
preparation example 2
[0046] Preparation Example 2: (1) 3kg of modified zeolite was added to 6kg of snail extract, soaked at room temperature for 22 hours, and vacuum-dried at 70°C to prepare pretreated modified zeolite;
[0047] (2) Mix the pretreated modified zeolite and 2kg of nano-hydroxyapatite, stir evenly at 65°C, add 1.5kg of bromochlorohydantoin, 3.1kg of graphene oxide and 0.8kg of silane coupling agent, and heat up to 85°C , stir evenly, grind, and obtain compound antibacterial agent.
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Abstract
The invention relates to the field of thermal insulation materials, and particularly discloses a bacteriostatic thermal insulation board for a refrigeration house and a preparation method of the bacteriostatic thermal insulation board. The bacteriostatic insulation board for the refrigeration house comprises the following components in parts by weight: phenolic resin, a filling agent, a composite antibacterial agent, a foaming agent, a curing agent, an organic binder, hollow glass beads, aluminum hydroxide and sodium bentonite. The composite antibacterial agent is prepared from the following components in parts by weight: 2.5 to 3.5 parts of modified zeolite, 5 to 8 parts of a snail extracting solution, 2.8 to 3.4 parts of graphene oxide, 1.5 to 2.5 parts of nano-hydroxyapatite and 1 to 2 parts of 3-bromo-1-chloro-5,5-dimethylhydantoin. The preparation method comprises the following steps: uniformly mixing the phenolic resin, the filling agent, the foaming agent, the hollow glass beads, the aluminum hydroxide and the sodium bentonite, adding the curing agent, the composite antibacterial agent and the organic binder, uniformly conducting stirring, and conducting foaming and curing. The bacteriostatic insulation board for the refrigeration house has the advantages of being good in mildew-proof and antibacterial effect and excellent in waterproof effect and deodorization effect.
Description
technical field [0001] The present application relates to the technical field of thermal insulation materials, and more particularly, to a bacteriostatic thermal insulation board for cold storage and a preparation method thereof. Background technique [0002] Cold storage is a building that uses artificial refrigeration to make a fixed space reach a specified temperature, which is convenient for storing items. With the advent of a low-carbon economy, my country has higher and higher requirements for energy conservation in buildings that are stunned. There are dozens of insulation board materials for cold storage, and organic insulation boards such as polystyrene board, extruded plastic board, and polyurethane microbeads account for more than 90% of the entire insulation material market. [0003] In the prior art, the Chinese invention patent with the application number of CN201910075240.0 discloses a foamed modified phenolic resin cold storage insulation board, and its prepar...
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