Halogen-free flame retardant PVC elastic material and preparation method thereof
A production method and elastic material technology, applied in the field of polymer composite material preparation, can solve the problems of easy generation of toxic and harmful gases, poor flame retardancy, etc., and achieve good environmental protection flame retardancy, good thermal stability, and good flame retardancy effect Effect
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Example Embodiment
[0029] 1. Example 1:
[0030] The halogen-free flame-retardant PVC elastomer special material for elevator balance compensation chain sheath of this embodiment is a blending system composed of PVC resin and additives blended in the PVC resin. Additives include tougheners, plasticizers, stabilizers, lubricants, flame retardants and pigments. There are two plasticizers, the first is dioctyl phthalate, the second is diphenyl monooctyl phosphate, dioctyl phthalate and diphenyl monooctyl phosphate are 4~10:1 The weight ratio of the mixture is composed of mixed plasticizers. In the 232.8kg halogen-free flame-retardant PVC elastomer special material for elevator balance compensation chain sheath, the components and contents are as follows:
[0031] PVC resin 100kg, toughening agent chlorinated polyethylene 12kg, heat stabilizer non-toxic liquid calcium-zinc stabilizer 7kg, plasticizer dioctyl phthalate 50kg, diphenyl iso-octyl phosphate 10kg, hard lubricant 3.5kg of zinc fatty acid, 0....
Example Embodiment
[0043] 2. Example 2:
[0044] The rest of this embodiment is the same as embodiment 1, except that: in the 232.8kg special material for halogen-free flame-retardant PVC elastomer for elevator balance compensation chain sheath, the components and corresponding contents are as follows:
[0045] PVC resin 100kg, toughening agent chlorinated polyethylene 17kg, heat stabilizer non-toxic liquid calcium-zinc stabilizer 7kg, plasticizer dioctyl phthalate 45kg, diphenyl iso-octyl phosphate 10kg, hard lubricant 3.5kg of zinc fatty acid, 0.3kg of pigment carbon black, 50kg of flame retardant modified micron aluminum hydroxide.
[0046] In step ②, the weight of the various raw materials weighed corresponds to the content of the above components, that is, 100 kg of S-1300 PVC resin, 17 kg of toughening agent chlorinated polyethylene, and 7 kg of liquid calcium-zinc are weighed. Stabilizer, 45kg of dioctyl phthalate, 10kg of diphenyl monooctyl phosphate, 50kg of modified micron aluminum hydroxide...
Example Embodiment
[0048] Three, embodiment 3:
[0049] The rest of this embodiment is the same as embodiment 1, except that: in the 246.3kg special material for halogen-free flame-retardant PVC elastomer for elevator balance compensation chain sheath, the components and corresponding contents are as follows:
[0050] PVC resin 100kg, toughening agent chlorinated polyethylene 15kg, heat stabilizer non-toxic liquid calcium-zinc stabilizer 7kg, plasticizer dioctyl phthalate 50kg, diphenyl iso-octyl phosphate 10kg, hard lubricant Zinc fatty acid 4kg, pigment carbon black 0.3kg, flame retardant modified micron aluminum hydroxide 60kg.
[0051] Correspondingly, when preparing the above-mentioned non-halogen flame-retardant PVC elastomer special material for elevator balance compensation chain sheath, in step ②, the weight of various raw materials weighed corresponds to the content of each component, that is Weigh 100kg of S-1300 PVC resin, 15kg of toughening agent chlorinated polyethylene, 7kg of liquid ca...
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