Preparation method of flame-retardant shaving board based on double-layer coated ammonium polyphosphate microcapsule modification
A technology of double-layer coating of ammonium polyphosphate, which is applied in the field of preparation of flame-retardant particleboard based on double-layer coating of ammonium polyphosphate microcapsules, can solve the problems of poor flame-retardant effect and poor mechanical properties, and achieve improved mechanical properties. performance, good flame retardant effect, good flame retardant durability effect
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Embodiment 1
[0030] Example 1: The preparation method of the flame-retardant particle plate-based flame-retardant particle plate based on the double coated polyphosphate microcapsules, including the following steps:
[0031] S1: Aluminum hydroxide coated polyphosphate modification: adding polyphosphate to anhydrous ethanol and thoroughly stirring to form a suspension, adding a aluminum chloride solution and thoroughly stirring, adding an ammonia solution to the reaction, after completion, filtration, Wash, dry, to give ammonium ammonium alumina coated;
[0032] S2: Dopamine Double Coating Modification: Add Dopamlamine to deionized water to prepare a dopamine solution; then add the alumina prepared in step S1, ammonium hydroxide, stirred at room temperature, filtrate, wash, dried, dried. Get quadratic polyphosphate microcapsules;
[0033] S3: Preparation of a metal ionic salt solution: dissolve the metal salt in ion water to obtain a metal ionic salt solution, and the metal ion is selected from...
Embodiment 2
[0044] Example 2: The preparation method of the flame-retardant particle plate-based flame-retardant particleboard-based microcapsule modified double-layer coated polyphosphate, including the following steps:
[0045] S1: Aluminum hydroxide coated polyphosphate modification: adding polyphosphate to anhydrous ethanol and thoroughly stirring to form a suspension, adding a aluminum chloride solution and thoroughly stirring, adding an ammonia solution to the reaction, after completion, filtration, Wash, dry, to give ammonium ammonium alumina coated;
[0046] S2: Dopamine Double Coating Modification: Add Dopamlamine to deionized water to prepare a dopamine solution; then add the alumina prepared in step S1, ammonium hydroxide, stirred at room temperature, filtrate, wash, dried, dried. Get quadratic polyphosphate microcapsules;
[0047] S3: Preparation of a metal ionic salt solution: dissolve the metal salt in ion water to obtain a metal ionic salt solution, and the metal ion is selecte...
Embodiment 3
[0058] Example 3: This method of flame retardant particleboard preparation based on double-layer coated polyphosphate microcapsules, including the following steps:
[0059] S1: Aluminum hydroxide coated polyphosphate modification: adding polyphosphate to anhydrous ethanol and thoroughly stirring to form a suspension, adding a aluminum chloride solution and thoroughly stirring, adding an ammonia solution to the reaction, after completion, filtration, Wash, dry, to give ammonium ammonium alumina coated;
[0060] S2: Dopamine Double Coating Modification: Add Dopamlamine to deionized water to prepare a dopamine solution; then add the alumina prepared in step S1, ammonium hydroxide, stirred at room temperature, filtrate, wash, dried, dried. Get quadratic polyphosphate microcapsules;
[0061] S3: Preparation of a metal ionic salt solution: dissolve the metal salt in ion water to obtain a metal ionic salt solution, and the metal ion is selected from the group consisting of iron ions, cal...
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