Coating hot melt adhesive for hollow glass warm edge strips and manufacturing method of coating hot melt adhesive

[0034] Specific embodiment

[0035]

[0036]

[0037] The data in the table are all parts by weight.

[0038] The manufacturing method of the above five embodiments is: in the first step, the temperature of the reactor is heated to 170°C-180°C, and then phenol-modified poly-a-methylstyrene resin and ethylene maleic anhydride copolymer are added, and antioxidant Agent 1010 was stirred for about 60 minutes; in the second step, the temperature of the reactor was lowered to 155℃-160℃, and maleic anhydride grafted APAO and ethylene-methacrylic acid copolymer were added. The melting time was about 70 minutes and pumped. Vacuum, the pressure of the vacuum gauge is between -0.06mpa~-0.09mpa; in the third step, keep the temperature of the reactor at 155℃-160℃, add poly-a-methylstyrene resin (AMS), stir and vacuum for 60 minutes, the pressure of the vacuum gauge Between -0.06mpa~-0.09mpa; after mixing evenly, the discharge port is connected to the single-screw extrusion granulation system for

[0041] Example 1: The content of ethylene maleic anhydride copolymer is small, and the peel strength of PP and PVC is acceptable; the curing time just meets the requirements, but the opening time will be insufficient due to the influence of the workshop environment temperature.

[0042] Example 2: The content of ethylene maleic anhydride copolymer increases, and maleic anhydride grafted APAO increases; the peel strength of PP increases, the peel strength of PVC decreases, and the viscosity increases, which cannot meet the technical requirements.