Flame retardant and high temperature resistant reinforced polypropylene silent drainage pipe and its application
A drainage pipe and polypropylene technology, applied in the field of water supply and drainage, can solve the problems of large noise, flame retardancy, high temperature resistance and poor chemical corrosion resistance of the drainage pipe, and achieve the advantages of saving pipe fittings, good mute effect and good flame retardancy Effect
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Embodiment 1
[0038] Example 1: A flame-retardant and high-temperature-resistant reinforced polypropylene silent drainage pipe
[0039] The pipe is a multi-layer composite composed of an inner layer, an outer layer and a middle layer, and the thickness ratio of the inner layer, middle layer and outer layer is 0.5:4.5:0.5.
[0040] The raw materials need to be mixed and granulated first, and the middle layer needs to be granulated by a twin-screw extruder.
[0041] The inner and outer layer materials are composed of the following raw materials in weight percentage: 80% polypropylene copolymer, 3% masterbatch, 1.5% B215, 3.5% rutile titanium dioxide, 9% decabromodiphenyl ether, 1.3% antimony trioxide , Zinc Stearate 0.2%, Maleic Anhydride 1.5%, and the total amount is 100% mixed.
[0042] The middle layer material is composed of the following raw materials in weight percentage: 35% of polypropylene copolymer, 20% of glass fiber with a length of 0.4mm, 34% of barium sulfate with an average pa...
Embodiment 2
[0043] Example 2: A flame-retardant and high-temperature-resistant reinforced polypropylene silent drainage pipe
[0044] The pipe is a multi-layer composite composed of an inner layer, an outer layer and a middle layer, and the thickness ratio of the inner layer, middle layer and outer layer is 1:5:1.
[0045] The raw materials need to be mixed and granulated first, and the middle layer needs to be granulated by a twin-screw extruder.
[0046] The inner and outer layer materials are composed of the following raw materials by weight percentage: 82.85% of polypropylene copolymer, 2% of color masterbatch, 1% of antioxidant 168, 2% of phenyl salicylate, 7% of decabromodiphenyl ether, three 4% of antimony oxide, 0.15% of calcium stearate, 1% of epoxy resin, 100% of the total amount is mixed and prepared.
[0047] The middle layer material is composed of the following raw materials in parts by weight: 40% polypropylene copolymer, 11.35% glass fiber with a length of 0.5mm, 32% bari...
Embodiment 3
[0048] Example 3: A flame-retardant and high-temperature-resistant reinforced polypropylene silent drainage pipe
[0049] The pipe is a multi-layer composite composed of an inner layer, an outer layer and a middle layer, and the thickness ratio of the inner layer, middle layer and outer layer is 1.5:6.5:1.5.
[0050] The raw materials need to be mixed and granulated first, and the middle layer needs to be granulated by a twin-screw extruder.
[0051] The inner and outer layer materials are composed of the following raw materials in weight percentage: 89% polypropylene copolymer, 1% masterbatch, 0.5% antioxidant 3114, 1.5% UV-531, 6% decabromodiphenylethane, trioxide 1.4% antimony, 0.1% barium stearate, 0.5% acrylic compatibilizer, 100% of the total amount is mixed.
[0052] The intermediate layer material is composed of the following raw materials in parts by weight: 49% polypropylene copolymer, 10% glass fiber with a length of 0.6mm, 30% barium sulfate with an average particle...
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