Flame-retardant PTT
一种苯二甲酸丙二醇酯、丙二醇的技术,应用在高分子材料领域,能够解决后期加工影响较大、不能达到永久阻燃、阻燃剂添加量大等问题,达到可纺性好、机械性能优良、无熔滴阻燃性能的效果
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Embodiment 1
[0019] A kind of flame-retardant poly(trimethylene terephthalate), whose components are proportioned by mass percentage: PTT 82%, phosphorus-containing monomer 8%, organic montmorillonite 5%, polyethylene glycol with a molecular weight of 1000-5000 4%, 0.5% trimethyl phosphate, 0.5% antioxidant, wherein, the PTT is a polyterephthalic acid made from terephthalic acid (PTA) and 1,3-propylene glycol (PDO) Propylene glycol ester, the phosphorus-containing monomer is 2-carboxyethyl alkylphosphonic acid, and the organic montmorillonite is activated by octadecyl dihydroxyethyl methyl ammonium chloride on the surface, and the particle size is 400 ~600 mesh sodium-based montmorillonite, the antioxidant is a compound of hindered phenolic antioxidant 1010 and phosphite antioxidant 168 with a mass ratio of 1:1.
[0020] Preparation method: (1) Preparation of phosphorus-containing monomer pre-polymerization solution: use 1,3-propylene glycol as solvent, dissolve phosphorus-containing monom...
Embodiment 2
[0022] A kind of flame-retardant poly(trimethylene terephthalate), whose components are proportioned by mass percentage: PTT 90%, phosphorus-containing monomer 4%, organic montmorillonite 2.8%, polypropylene oxide with a molecular weight of 1000-5000 3%, 0.1% trimethyl phosphate, 0.1% antioxidant, wherein, the PTT is a polyterephthalic acid made from terephthalic acid (PTA) and 1,3-propanediol (PDO) Propylene glycol ester, the phosphorus-containing monomer is 2-carboxyethylphenylphosphinic acid, and the organic montmorillonite is activated by octadecyl dihydroxyethyl methyl ammonium chloride on the surface, and the particle size is 400-600 mesh sodium-based montmorillonite, and the antioxidant is a compound of hindered phenolic antioxidant 1010 and phosphite antioxidant 168 at a mass ratio of 1:1.
[0023] Preparation method: (1) Preparation of phosphorus-containing monomer pre-polymerization solution: use 1,3-propylene glycol as solvent, dissolve phosphorus-containing monomer...
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