Polypropylene filling masterbatch and preparation method thereof
A technology of filling masterbatch and polypropylene, which is applied in the field of filling materials, can solve the problems of unfavorable processing of polypropylene resin, influence of melt fluidity, increase of melt viscosity, etc., so as to increase the flow rate of melt finger and improve the processing fluidity and feeding speed, the effect of improving compatibility
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Embodiment 1
[0027] A polypropylene filling masterbatch, made of raw materials containing the following parts by weight: 5 parts of polypropylene, 85 parts of modified barium sulfate and calcium carbonate composite powder, 1.2 parts of polyacrylate, titanate coupling 0.6 parts, 0.7 parts of ethylene bis stearamide, 2.4 parts of polyethylene wax, 1.4 parts of zinc stearate.
[0028] The modified barium sulfate and calcium carbonate composite powder is barium sulfate and calcium carbonate composite powder modified by silane coupling agent, titanate coupling agent, sodium stearate and rosin, wherein barium sulfate and calcium carbonate The mass ratio of calcium is 2:1, and the addition amount of silane coupling agent, titanate coupling agent, sodium stearate and rosin are 1‰, 3‰, 5‰, 1‰.
[0029] The barium sulfate is 3000-5000 mesh, and the calcium carbonate is 2500-3000 mesh heavy calcium carbonate.
[0030] The preparation method of above-mentioned polypropylene filling masterbatch is as...
Embodiment 2
[0036] A polypropylene filling masterbatch, made of raw materials containing the following parts by weight: 8 parts of polypropylene, 90 parts of modified barium sulfate and calcium carbonate composite powder, 1.3 parts of polyacrylate, titanate coupling 0.7 parts, 1.0 parts of ethylene bis stearamide, 3.0 parts of polyethylene wax, 2.0 parts of zinc stearate.
[0037] The modified barium sulfate and calcium carbonate composite powder is barium sulfate and calcium carbonate composite powder modified by silane coupling agent, titanate coupling agent, sodium stearate and rosin, wherein barium sulfate and calcium carbonate The mass ratio of calcium is 3:1, and the addition amounts of silane coupling agent, titanate coupling agent, sodium stearate and rosin are 3‰, 5‰, 6‰, 2‰.
[0038] The barium sulfate is 3000-5000 mesh, and the calcium carbonate is 2500-3000 mesh heavy calcium carbonate.
[0039] The preparation method of above-mentioned polypropylene filling masterbatch is a...
Embodiment 3
[0045] A polypropylene filling masterbatch, made of raw materials containing the following parts by weight: 10 parts of polypropylene, 95 parts of modified barium sulfate and calcium carbonate composite powder, 1.5 parts of polyacrylate, titanate coupling 0.8 parts, 1.2 parts of ethylene bis stearamide, 3.2 parts of polyethylene wax, 2.5 parts of zinc stearate.
[0046] The modified barium sulfate and calcium carbonate composite powder is barium sulfate and calcium carbonate composite powder modified by silane coupling agent, titanate coupling agent, sodium stearate and rosin, wherein barium sulfate and calcium carbonate The mass ratio of calcium is 5:1, and the addition amounts of silane coupling agent, titanate coupling agent, sodium stearate and rosin are 5‰, 7‰, 8‰, 3‰.
[0047] The barium sulfate is 3000-5000 mesh, and the calcium carbonate is 2500-3000 mesh heavy calcium carbonate.
[0048] The preparation method of above-mentioned polypropylene filling masterbatch is ...
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