A halogen-free low-smoke flame-retardant injection molding compound for branch cables and its preparation and application
A low-smoke flame retardant, plastic injection technology, applied in the field of materials, to achieve the effect of good fluidity and high elongation at break
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Embodiment 1
[0040] Thermoplastic elastomer, ethylene-methyl acrylate copolymer, polyethylene, compatibilizer, phosphorus nitrogen flame retardant, inorganic flame retardant, flame retardant synergist, smoke suppressant, antioxidant, processing lubricant, UV resistance Masterbatch. The specific formula is shown in Table 1, and the performance is shown in Table 2.
[0041] Table 1
[0042] raw material name
parts by weight
Ethylene-propylene-octene copolymer (melt index at 190℃×2.16kg
The lower is 2g / 10min)
60
Ethylene-methyl acrylate copolymer (melt index at 190 ° C × 2.16kg
40g / 10min under condition)
20
Polyethylene (melt index under the condition of 190℃×2.16kg is
10g / 10min)
20
Compatibilizer (ethylene-octene copolymer grafted maleic anhydride) (melt index in
20g / 10min at 190℃×2.16kg)
10
Phosphorus nitrogen flame retardant Doher-6000 (the mass fraction of phosphorus is 23%, the mass f...
Embodiment 2
[0048] Thermoplastic elastomer, ethylene-methyl acrylate copolymer, polyethylene, compatibilizer, phosphorus nitrogen flame retardant, inorganic flame retardant, flame retardant synergist, smoke suppressant, antioxidant, processing lubricant, UV resistance Masterbatch. Concrete formula is as shown in table 3, and performance is as shown in table 4.
[0049] table 3
[0050] raw material name
parts by weight
Ethylene-propylene-octene copolymer (melt index at 190℃×2.16kg
Under the condition of 30g / 10min)
50
Ethylene-methyl acrylate copolymer (melt index at 190°C×
10g / 10min under the condition of 2.16kg)
30
Polyethylene (melt index under the condition of 190℃×2.16kg is
50g / 10min)
20
Compatibilizer (ethylene-octene copolymer grafted maleic anhydride) (melt index
The number is 20g / 10min under the condition of 190℃×2.16kg)
15
Phosphorus nitrogen flame retardant Doher-6000 (the ma...
Embodiment 3
[0055] Thermoplastic elastomer, ethylene-methyl acrylate copolymer, polyethylene, compatibilizer, phosphorus nitrogen flame retardant, inorganic flame retardant, flame retardant synergist, smoke suppressant, antioxidant, processing lubricant, UV resistance Masterbatch. Concrete formula is as shown in table 5, and performance is as shown in table 6.
[0056] table 5
[0057] raw material name
parts by weight
Ethylene-propylene-octene copolymer (melt index at 190℃×2.16kg
The lower is 2g / 10min)
60
Ethylene-methyl acrylate copolymer (melt index at 190 ° C × 2.16kg
40g / 10min under condition)
20
Polyethylene (melt index under the condition of 190℃×2.16kg is
10g / 10min)
20
Compatibilizer (ethylene-octene copolymer grafted maleic anhydride) (melt index in
20g / 10min at 190℃×2.16kg)
10
Phosphorus nitrogen flame retardant Doher-6000 (the mass fraction of phosphorus is 23%, the mass fra...
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