Method for modifying unsaturated polyester by composite flame retardant
A composite flame retardant and unsaturated technology, which is applied in the field of composite flame retardant modified unsaturated polyester, can solve the problems of poor compatibility, damage to the mechanical properties of materials, and reduce the flame retardancy of materials, so as to achieve improved compatibility , Promote char formation and prevent transmission
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Embodiment 1
[0042] 1. Preparation of composite flame retardant modified unsaturated polyester
[0043] Add 2g of montmorillonite into 136g of unsaturated polyester, stir and mix evenly, the mixing temperature is 20°C-30°C, and the stirring time is 10min-20min to obtain solution B;
[0044] According to the mass ratio of montmorillonite and zinc borate as 1:2, add 4g of zinc borate into the above solution A, stir and mix evenly, the mixing temperature is 20°C-30°C, and the stirring time is 10min-20min to obtain solution C;
[0045] According to the mass ratio of zinc borate and dimethyl methyl phosphate as 1:5, add 20 g of dimethyl methyl phosphate to the above solution C, stir and mix evenly, the mixing temperature is 20°C ~ 30°C, and the stirring time is 10min ~20min to obtain solution D;
[0046] According to the mass ratio of modified ammonium polyphosphate and dimethyl methyl phosphate as 17:10, add 34g of modified ammonium polyphosphate into the above solution D, stir and mix evenly...
Embodiment 2
[0057] 1. Preparation of composite flame retardant modified unsaturated polyester
[0058] Add 10g of montmorillonite to 136g of unsaturated polyester, stir and mix evenly, the mixing temperature is 20°C-30°C, and the stirring time is 10min-20min to obtain solution B;
[0059] According to the mass ratio of montmorillonite and dimethyl methyl phosphate as 1:2, add 20 g of dimethyl methyl phosphate into the above solution B, stir and mix evenly, the mixing temperature is 20°C to 30°C, and the stirring time is 10min~20min, get solution D;
[0060] According to the mass ratio of modified ammonium polyphosphate and dimethyl methyl phosphate as 3:2, add 30g of modified ammonium polyphosphate into the above solution D, stir and mix evenly, the mixing temperature is 20℃~30℃, the stirring time After 10min to 20min, a solution was obtained; then 4g of benzoyl peroxide initiator was added to the solution, and after stirring evenly, solution E was obtained.
[0061] The solution E was ...
Embodiment 3
[0064] 1. Preparation of composite flame retardant modified unsaturated polyester
[0065] Add 6g of montmorillonite to 136g of unsaturated polyester, stir and mix evenly, the mixing temperature is 20°C-30°C, and the stirring time is 10min-20min to obtain solution B;
[0066] According to the mass ratio of montmorillonite and dimethyl methyl phosphate as 3:10, add 20 g of dimethyl methyl phosphate into the above solution B, stir and mix evenly, the mixing temperature is 20°C to 30°C, and the stirring time is 10min~20min, get solution D;
[0067] According to the mass ratio of modified ammonium polyphosphate and dimethyl methyl phosphate as 17:10, add 34g of modified ammonium polyphosphate into the above solution D, stir and mix evenly, the mixing temperature is 20℃~30℃, the stirring time After 10min to 20min, a solution was obtained; then 4g of benzoyl peroxide initiator was added to the solution, and after stirring evenly, solution E was obtained.
[0068] The solution E wa...
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