Hot melt adhesive for steel plastic composite pipeline and production method of hot melt adhesive
A technology of steel-plastic composite and hot-melt adhesive, which is applied in the bonding between steel and plastic, and in the field of hot-melt adhesive for steel-plastic composite pipes. advanced questions
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Embodiment 1
[0015] Embodiment 1: It contains raw material components by weight percentage: 95.75% high density polyethylene, 1% maleic anhydride, 0.05% peroxide, 3% acetone, 0.2% antioxidant.
[0016] The production method of the above-mentioned hot-melt adhesive for steel-plastic composite pipes comprises:
[0017] Step 1: Add high-density polyethylene and antioxidant to the mixer, mix and heat maleic anhydride and peroxide until dissolved, stir for 2-7 minutes, and control the temperature in the mixer to 35°C-40°C;
[0018] Step 2: Use the medium-shear combination twin-screw extrusion granulator to granulate the cooling material obtained in step 1. The extrusion temperature is 170-180°C, and the head temperature is 190-200°C; Pelletizing is carried out by water cooling to ensure no moisture on the surface of the pellets.
[0019] The plastic granules prepared by the above method are used for plasticizing the steel belt, and the plastic coated steel belt is 0.6mm, and then the 800mm ste...
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