Process for preparing hot melt adhesive elastic grid by plastic uptake method
A hot-melt adhesive and elastic technology, applied in the direction of coating, etc., can solve the problems of non-durability, poor yellowing resistance, high proportion of polyurethane, etc., and achieve the effect of improving processing performance, reducing the difficulty of plastic absorption, and high tensile strength
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Embodiment 1
[0029] The hot-melt adhesive elastic grid of the present embodiment is in mass %, and the hot-melt adhesive elastic grid comprises 60% hydrogenated styrene-butadiene block copolymer, 10% polypropylene, 5% carbon dioxide Silicon masterbatch, 5% antistatic agent, 20% white oil and 0.15% antioxidant; the hot melt adhesive elastic grid is prepared according to the following steps:
[0030] S1: Put the hydrogenated styrene-butadiene block copolymer in a stirrer at 60°C, add white oil to the stirrer three times, and stir at intervals of 10 minutes each time;
[0031] S2: Add polypropylene, silica masterbatch, antistatic agent and antioxidant, and continue to stir for 10 minutes;
[0032] S3: Put the mixed raw materials into a single-screw extrusion casting film, and at the same time, the casting film passes through a nickel mesh with square holes for vacuum suction to prepare a hot-melt adhesive elastic grid.
[0033] In step S3, when the nickel mesh is vacuum-absorbed, there is a ...
Embodiment 2
[0036] The hot-melt adhesive elastic mesh of the present embodiment is in mass%, and the hot-melt adhesive elastic mesh includes 50% hydrogenated styrene-butadiene block copolymer, 15% polypropylene, 2% carbon dioxide Silicon masterbatch, 3% antistatic agent, 30% white oil and 0.15% antioxidant; the hot melt adhesive elastic grid is prepared according to the following steps:
[0037] S1: Put the hydrogenated styrene-butadiene block copolymer in a stirrer at 80°C, add white oil to the stirrer three times, and stir at intervals of 10 minutes each time;
[0038] S2: Add polypropylene, silica masterbatch, antistatic agent and antioxidant, and continue to stir for 10 minutes;
[0039] S3: Put the mixed raw materials into a single-screw extrusion casting film, and at the same time, the casting film passes through a nickel mesh with square holes for vacuum suction to prepare a hot-melt adhesive elastic grid.
[0040] In step S3, when the nickel mesh is vacuum-absorbed, there is a ne...
Embodiment 3
[0043] The hot-melt adhesive elastic mesh of the present embodiment is in mass %, and the hot-melt adhesive elastic mesh comprises 40% hydrogenated styrene-butadiene block copolymer, 10% polypropylene, 5% carbon dioxide Silicon masterbatch, 5% antistatic agent, 40% white oil and 0.15% antioxidant; the hot melt adhesive elastic grid is prepared according to the following steps:
[0044] S1: Put the hydrogenated styrene-butadiene block copolymer in a stirrer at 75°C, add white oil to the stirrer three times, and stir at intervals of 10 minutes each time;
[0045] S2: Add polypropylene, silica masterbatch, antistatic agent and antioxidant, and continue to stir for 10 minutes;
[0046] S3: Put the mixed raw materials into a single-screw extrusion casting film, and at the same time, the casting film passes through a nickel mesh with square holes for vacuum suction to prepare a hot-melt adhesive elastic grid.
[0047] In step S3, when the nickel mesh is vacuum-absorbed, there is a ...
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