Black hot-melt adhesive tape, preparation process therefor and application of black hot-melt adhesive tape
A hot-melt tape and preparation process technology, applied in adhesives, heat-activated films/sheets, record carriers used in machines, etc., can solve problems such as chip damage, reduce operating costs, improve laser blocking performance, and achieve significant economic benefits. and social benefits
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Embodiment 1
[0033] The present embodiment provides a kind of black hot-melt adhesive tape, comprises release layer and adhesive film layer; The upper surface of release layer is coated with adhesive film layer, and the thickness of adhesive film layer is 40 μ m, and adhesive film comprises following components by weight:
[0034]
[0035] Thermally conductive fillers are calcium carbonate and talcum powder.
[0036] The thixotropic agent is fumed silica.
[0037] The antioxidant is Antioxidant 1010.
[0038] The release layer is release paper, and the material of the release paper is double-sided silicone oil glassine paper.
[0039] The preparation technology of black hot-melt adhesive tape, comprises the steps:
[0040] S1. Blend the polyamide resin, polyurethane resin and carbon black in a twin-screw extruder first, the extrusion temperature is 140°C, and the screw speed of the twin-screw extruder is 20r / min, so that the carbon black is in the rubber particle system Evenly disper...
Embodiment 2
[0044] The present embodiment provides a kind of black hot-melt adhesive tape, comprises release layer and adhesive film layer; The upper surface of release layer is coated with adhesive film layer, and the thickness of adhesive film layer is 60 μ m, and adhesive film comprises following components by weight:
[0045]
[0046] The thermally conductive filler is zinc oxide.
[0047] Thixotropic agents are talc and paraffin.
[0048] The antioxidant is Antioxidant 1010.
[0049] The release layer is release paper, and the material of the release paper is double-sided silicone oil glassine paper.
[0050] The preparation technology of black hot-melt adhesive tape, comprises the steps:
[0051] S1. Blend the polyamide resin, polyurethane resin and carbon black in a twin-screw extruder first, the extrusion temperature is 160°C, and the screw speed of the twin-screw extruder is 30r / min, so that the carbon black is in the rubber particle system Evenly dispersed;
[0052] S2, t...
Embodiment 3
[0055] The present embodiment provides a kind of black hot-melt adhesive tape, comprises release layer and adhesive film layer; The upper surface of release layer is coated with adhesive film layer, and the thickness of adhesive film layer is 80 μ m, and adhesive film comprises following components by weight:
[0056]
[0057] The thermally conductive fillers are barium oxide and barium sulfate.
[0058] The thixotropic agent is rosin resin.
[0059] The antioxidant is Antioxidant 1010.
[0060] The release layer is release paper, and the material of the release paper is double-sided silicone oil glassine paper.
[0061] The preparation technology of black hot-melt adhesive tape, comprises the steps:
[0062] S1. Blend the polyamide resin, polyurethane resin and carbon black in a twin-screw extruder first, the extrusion temperature is 180°C, and the screw speed of the twin-screw extruder is 40r / min, so that the carbon black is in the rubber particle system Evenly dispers...
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