Multi-gradient functionalized microcapsule titanium phosphate flame retardant and preparation method thereof
A technology of titanium phosphate and microcapsules, which is applied in the field of flame retardant modification, can solve problems such as complex preparation process, non-catalysis, and influence on catalytic char formation, and achieve enhanced mechanical strength, high char formation, and high thermal stability sexual effect
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Embodiment 1
[0036] (1) Preparation of titanium phosphate:
[0037] Mix 10g of titanium tetrachloride with 100ml of distilled water evenly, add 100ml of 9M phosphoric acid while stirring mechanically, and transfer the mixed solution into a stainless steel reaction kettle with a polytetrafluoroethylene lining, and react under high temperature and high pressure for 72h Afterwards, cool to room temperature, repeatedly wash with deionized water until the pH of the solution is neutral, and then vacuum-dry at 80°C to obtain titanium phosphate powder;
[0038] (2) Intumescent flame retardant coated inner wall:
[0039] Weigh 10g of the titanium phosphate powder obtained in step (1), disperse it in 100ml of tetrahydrofuran, stir it mechanically and raise the temperature to 100°C, weigh a certain amount of pentaerythritol as a carbon source modifier, add it to the above solution, and raise the temperature After reaching 150°C and mechanically stirring for 2 hours, add a certain amount of ammonium ...
Embodiment 2
[0043] (1) Preparation of titanium phosphate:
[0044] Mix 10g of titanium tetrachloride with 100ml of distilled water evenly, add 100ml of 9M phosphoric acid while stirring mechanically, and transfer the mixed solution into a stainless steel reaction kettle with a polytetrafluoroethylene lining, and react under high temperature and high pressure for 72h Afterwards, cool to room temperature, repeatedly wash with deionized water until the pH of the solution is neutral, and then vacuum-dry at 80°C to obtain titanium phosphate powder;
[0045] (2) Intumescent flame retardant coated inner wall:
[0046] Weigh 10g of the titanium phosphate powder obtained in step (1), disperse it in 100ml of tetrahydrofuran, stir it mechanically and raise the temperature to 100°C, weigh a certain amount of pentaerythritol as a carbon source modifier, add it to the above solution, and raise the temperature After reaching 150°C and mechanically stirring for 2 hours, add a certain amount of ammonium ...
Embodiment 3
[0052] (1) Preparation of titanium phosphate:
[0053] Mix 10g of titanium tetrachloride with 100ml of distilled water evenly, add 100ml of 9M phosphoric acid while stirring mechanically, and transfer the mixed solution into a stainless steel reaction kettle with a polytetrafluoroethylene lining, and react under high temperature and high pressure for 72h Afterwards, cool to room temperature, repeatedly wash with deionized water until the pH of the solution is neutral, and then vacuum-dry at 80°C to obtain titanium phosphate powder;
[0054] (2) Intumescent flame retardant coated inner wall:
[0055] Weigh 10g of the titanium phosphate powder obtained in step (1), disperse it in 100ml of tetrahydrofuran, stir it mechanically and raise the temperature to 100°C, weigh a certain amount of pentaerythritol as a carbon source modifier, add it to the above solution, and raise the temperature After reaching 150°C and mechanically stirring for 2 hours, add a certain amount of ammonium ...
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