A kind of long-acting electret PP non-woven fabric and preparation method thereof
A technology of non-woven fabrics and electret, which is applied in the direction of non-woven fabrics, textiles, papermaking, rayon manufacturing, etc. It can solve the problems of short static charge storage time, not very effective, and accelerated decay speed, so as to prolong the electrostatic decay cycle , Improve the adsorption effect, the effect of low breathing resistance
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Embodiment 1
[0032] In this example, a long-lasting electret PP nonwoven fabric is mainly prepared from the following components in parts by weight: 35 parts of electret masterbatch, 40 parts of melt-blown grade PP, 12 parts of surface-treated silica, 4 parts of polyvinylidene fluoride, 5 parts of polytetrafluoroethylene, 3 parts of PFA, and additives.
[0033] A kind of long-acting electret PP nonwoven fabric preparation method of the present embodiment comprises the following steps:
[0034] Step 1. Mix 35 parts of electret masterbatch, 40 parts of melt-blown grade PP, 12 parts of surface-treated silica, 4 parts of polyvinylidene fluoride, 5 parts of polytetrafluoroethylene, and 3 parts of PFA;
[0035] Step 2, then add 0.2 parts of antioxidant 1010, 0.1 part of nylon PA6, 0.1 part of BASF light stabilizer 234, 0.1 part of pentaerythritol stearate, 0.1 part of sorbitol PP nucleating agent, 0.2 part of phthalate Dibutyl formate, 0.1 part of butyl rubber, and 0.1 part of azodicarbonamide ar...
Embodiment 2
[0038] In this example, a long-lasting electret PP nonwoven fabric is mainly prepared from the following components in parts by weight: 30 parts of electret masterbatch, 36 parts of melt-blown grade PP, 17 parts of surface-treated silica, 5 parts of polyvinylidene fluoride, 7 parts of polytetrafluoroethylene, 4 parts of PFA, and additives.
[0039] A kind of long-acting electret PP nonwoven fabric preparation method of the present embodiment comprises the following steps:
[0040] Step 1, 30 parts of electret masterbatch, 36 parts of melt-blown grade PP, 17 parts of surface-treated silica, 5 parts of polyvinylidene fluoride, 7 parts of polytetrafluoroethylene, and 4 parts of PFA are mixed;
[0041] Step 2, then add 0.2 parts of antioxidant 1010, 0.1 part of nylon PA6, 0.1 part of BASF light stabilizer 234, 0.1 part of pentaerythritol stearate, 0.1 part of sorbitol PP nucleating agent, 0.2 part of phthalate Dibutyl formate, 0.1 part of butyl rubber, and 0.1 part of azodicarbon...
Embodiment 3
[0044] In this example, a long-lasting electret PP nonwoven fabric is mainly prepared from the following components in parts by weight: 33 parts of electret masterbatch, 44 parts of melt-blown grade PP, 8 parts of surface-treated silica, 3 parts of polyvinylidene fluoride, 6 parts of polytetrafluoroethylene, 5 parts of PFA, and additives.
[0045] A kind of long-acting electret PP nonwoven fabric preparation method of the present embodiment comprises the following steps:
[0046] Step 1, 33 parts of electret masterbatch, 44 parts of melt-blown grade PP, 8 parts of surface-treated silica, 3 parts of polyvinylidene fluoride, 6 parts of polytetrafluoroethylene, and 5 parts of PFA are mixed;
[0047] Step 2, then add 0.2 parts of antioxidant 1010, 0.1 part of nylon PA6, 0.1 part of BASF light stabilizer 234, 0.1 part of pentaerythritol stearate, 0.1 part of sorbitol PP nucleating agent, 0.2 part of phthalate Dibutyl formate, 0.1 part of butyl rubber, and 0.1 part of azodicarbonam...
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