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Production method of nanometer material modified toughened melamine foamed plastic
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A foamed plastic and nanomaterial technology, applied in the field of melamine foamed plastics, can solve the problems of unsatisfactory mechanical properties of melamine foamed plastics, reduced flame retardant performance, etc., and achieve the effects of shortening emulsification time and reducing adverse effects
Inactive Publication Date: 2008-11-19
濮阳绿寰宇化工有限公司
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Problems solved by technology
[0012] However, the mechanical properties of melamine foamed plastics prepared directly from melamine resin cannot meet the requirements of practical applications, and the flame retardancy of products foamed with polyols and other organic matter-modified melamine-formaldehyde resins has been reduced.
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Embodiment 1
[0043] Formula: 200 grams of melamine resin, 6 grams of sodium dodecylbenzene sulfonate, 4 grams of phosphoric acid, 20 grams of pentane, and 0.2 grams of nano-nitrile rubber. Melamine foam was prepared according to the following steps.
[0044] 1) Adjust the temperature of the thermostatic chamber to 18-22°C;
[0045] 2) Weigh 200 grams of melamine resin according to the final product requirements and the selected mold and place it in the stirrer;
[0046] 3) Add foaming agent and stir evenly. There is no special limitation on the stirring speed, subject to uniform stirring;
[0047] 4) Add the mixed nanomaterials, composite emulsifier and curing agent and the mixture, adjust the speed of the agitator to stir evenly, and there is no special limit on the stirring speed, and the stirring is uniform;
[0048] 5) Quickly scrape the material on the bottom of the mold, and place the mold in the foaming device;
[0049] 6) According to the amount of material added, adjust the pow...
Embodiment 2
[0054] Formula: 200 grams of melamine resin, 8 grams of sodium diisobutylnaphthalene sulfonate, 11 grams of formic acid, 20 grams of trichlorotrifluoroethane, nano-α-Al 2 o 3 0.3 grams. According to the preparation steps of Example 1, the melamine foam was prepared.
Embodiment 3
[0056] Formula: 200 grams of melamine resin, 10 grams of nonylphenol polyoxyethylene ether, 6 grams of hydrochloric acid, 30 grams of pentane, and 0.1 grams of nano-butadiene rubber. According to the preparation steps of Example 1, the melamine foam was prepared.
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Abstract
The present invention relates to a kind of nano material modified toughened melamine foamed plastics and its preparation method. It is made up by using melamine resin, nano material, emulsifying agent, foaming agent, solidifying agent and adjuvant through the processes of mixing them according to a certain mixing ratio and foaming treatment by using foaming equipment.
Description
technical field [0001] The invention relates to a melamine foamed plastic, in particular to a nano-material modified and toughened melamine foamed plastic and a preparation method thereof. Background technique [0002] Melamine foamed plastic is a new type of foamed plastic with a three-dimensional grid structure with high porosity, which has excellent sound absorption, flame retardancy, heat insulation, moisture and heat resistance, hygienic safety and good secondary Processing performance. [0003] Melamine foam plastic is made of safe melamine resin foamed at high temperature, without residual free formaldehyde; its stable chemical structure and cross-linking system make it have unique chemical stability, and its hygiene can meet the requirements of food hygiene level. [0004] The extremely high opening rate of the melamine foam allows the sound wave to enter the deep layer of the foam conveniently and effectively, and convert the vibration energy of the grid to be cons...
Claims
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Application Information
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