Halogen-free flame retardant thermoplastic elastomer and preparation method thereof
A thermoplastic elastomer and elastomer technology, applied in the field of thermoplastic elastomers, can solve the problems of generating toxic and corrosive gases, and achieve the effects of extremely ozone resistance, high production efficiency and low production cost
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Embodiment 1
[0036] A halogen-free flame-retardant thermoplastic elastomer, comprising the following raw materials in parts by weight:
[0037] Polyurethane elastomer 75 parts
[0038] Phosphorus flame retardant 12 parts
[0039] Phosphorus nitrogen flame retardant 5 parts
[0040] 1 part of inorganic salt flame retardant
[0041] 5 parts plasticizer
[0042] 1.3 parts of lubricant.
[0043] The polyurethane elastomer comprises 40 parts of polyester polyurethane elastomer and 35 parts of polyether polyurethane elastomer.
[0044] The phosphorus flame retardant comprises 1 part of boron phosphate, 1 part of iron pyrophosphate and 10 parts of microencapsulated red phosphorus.
[0045] The phosphorus nitrogen flame retardant includes 5 parts of ammonium polyphosphate.
[0046] The inorganic salt flame retardant is zinc borate.
[0047] The plasticizer is a phosphate plasticizer.
[0048] The phosphate plasticizer is triphenyl phosphate.
[0049] The lubricant comprises 0.5 part of pe...
Embodiment 2
[0053] A halogen-free flame-retardant thermoplastic elastomer, comprising the following raw materials in parts by weight:
[0054]Polyurethane elastomer 83 parts
[0055] Phosphorus flame retardant 15 parts
[0056] Phosphorus nitrogen flame retardant 14 parts
[0057] 1.5 parts of inorganic salt flame retardant
[0058] 6 parts plasticizer
[0059] 1.7 parts of lubricant.
[0060] The polyurethane elastomer comprises 45 parts of polyester polyurethane elastomer and 38 parts of polyether polyurethane elastomer.
[0061] The phosphorus flame retardant includes 2 parts of boron phosphate, 2 parts of iron pyrophosphate and 11 parts of microencapsulated red phosphorus.
[0062] The phosphorus nitrogen flame retardant includes 6 parts of ammonium polyphosphate and 8 parts of microencapsulated ammonium polyphosphate.
[0063] The inorganic salt flame retardant is a mixture of zinc borate, magnesium borate and calcium borate in a weight ratio of 0.8:1.5:1.
[0064] The plastic...
Embodiment 3
[0070] A halogen-free flame-retardant thermoplastic elastomer, comprising the following raw materials in parts by weight:
[0071] Polyurethane elastomer 92 parts
[0072] Phosphorus flame retardant 20 parts
[0073] Phosphorus nitrogen flame retardant 23 parts
[0074] Inorganic salt flame retardant 2 parts
[0075] 8 parts plasticizer
[0076] 2.2 parts of lubricant.
[0077] The polyurethane elastomer comprises 50 parts of polyester polyurethane elastomer and 42 parts of polyether polyurethane elastomer.
[0078] The phosphorus-based flame retardant includes 4 parts of boron phosphate, 4 parts of iron pyrophosphate and 12 parts of microencapsulated red phosphorus.
[0079] The phosphorus nitrogen flame retardant includes 8 parts of ammonium polyphosphate and 15 parts of microencapsulated ammonium polyphosphate.
[0080] The inorganic salt flame retardant is a mixture of zinc borate, magnesium borate and calcium borate in a weight ratio of 1:2:1.
[0081] The plastici...
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