A kind of rotomolding packaging box for airdrop and preparation method thereof
A packing box and rotomolding technology, which is applied in the direction of packaging, transportation and packaging, container handles, etc., to achieve the effect of improving impact resistance and strength, high strength, and good product toughness
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Embodiment 1
[0044] Embodiment one, weigh each polyethylene and coupling agent stoste according to the following formula
[0045] 20 parts by weight of polyphenylene ether
[0046] 60 parts by weight of linear low density polyethylene
[0047] 60 parts by weight of low-density polyethylene
[0048] 60 parts by weight of high-density polyethylene
[0049] 20 parts by weight of medium density metallocene polyethylene
[0050] 3 parts by weight of coupling agent;
[0051] Among them, PPO ah60 of Mitsubishi Engineering Plastics is used for polyphenylene ether, the density is 1.06g / cm3, and the melt mass flow rate is 8.1g / 10min; LLDPE7042 produced by Maoming Petrochemical Company is used for linear low density polyethylene, and the density is 0.92g / cm 3 , under the test conditions of 190°C-2.16Kg, the melt mass flow rate is 2g / 10min. The low-density polyethylene is LDPE2420H produced by Maoming Petrochemical Company, with a density of 0.923g / cm 3 , under the test conditions of 190°C-2.16K...
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