Polypropylene-reinforced fiber anticorrosive adhesive tape and preparation method thereof
A technology of polypropylene reinforcement and polypropylene fiber, which is applied in the direction of adhesives, film/sheet adhesives, adhesive additives, etc., can solve problems such as poor durability, incomplete corrosion protection, and unreasonable material configuration, and achieve heavy Good presentability, good adhesion and compactness, and good peel strength
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Embodiment 1
[0020] (1) Weigh 16 parts of alkylphenol-formaldehyde resin, 8 parts of bisphenol-A epoxy resin, 8 parts of hydrogenated rosin glyceride, and 7 parts of dimethyl phthalate according to the mass ratio. Phenol A type epoxy resin and hydrogenated rosin glyceride were first put into the internal mixer together, and mixed for 55 minutes at a temperature of 85-95°C, and the dimethyl phthalate was divided into two equal parts, respectively When the mixing started for 15 minutes, it was added to the internal mixer at 30 minutes to obtain the mixed product 1;
[0021] (2) Weigh 38 parts of butyl rubber, 3 parts of maleic anhydride, 20 parts of polyisobutylene, and 0.1 part of antioxidant according to the mass ratio and mix them evenly. Refining 1, after reacting for 45 minutes, heat up to 135-140°C, then add 8 parts of inorganic filler, mix well, react for 30 minutes, and extrude the mixture in the extruder to obtain the rubber layer material;
[0022] (4) Coat the adhesive layer mate...
Embodiment 2
[0026] (1) Weigh 18 parts of alkylphenol-formaldehyde resin, 5 parts of bisphenol-A epoxy resin, 9 parts of hydrogenated rosin glyceride, and 5 parts of dimethyl phthalate according to the mass ratio. Phenol A type epoxy resin and hydrogenated rosin glyceride were first put into the internal mixer together, and mixed for 60 minutes at a temperature of 85-95°C, and the dimethyl phthalate was divided into two equal parts, respectively in When the mixing started for 15 minutes, it was added to the internal mixer at 30 minutes to obtain the mixed product 1;
[0027] (2) Weigh 40 parts of butyl rubber, 2 parts of maleic anhydride, 25 parts of polyisobutylene, and 0.3 parts of antioxidant according to the mass ratio and mix them evenly. Refining 1, after reacting for 60 minutes, heat up to 135-140°C, then add 10 parts of inorganic filler, mix well, react for 45 minutes, and extrude the mixture in the extruder to obtain the rubber layer material;
[0028] (4) Coat the adhesive layer...
Embodiment 3
[0032] (1) Weigh 17 parts of alkylphenol-formaldehyde resin, 6 parts of bisphenol-A epoxy resin, 8 parts of hydrogenated rosin glyceride, and 6 parts of dimethyl phthalate according to the mass ratio. Phenol A type epoxy resin and hydrogenated rosin glyceride were first put into the internal mixer together, and mixed for 58 minutes at a temperature of 85-95°C, and the dimethyl phthalate was divided into two equal parts, respectively When the mixing started for 15 minutes, it was added to the internal mixer at 30 minutes to obtain the mixed product 1;
[0033] (2) Weigh 39 parts of butyl rubber, 2 parts of maleic anhydride, 22 parts of polyisobutylene, and 0.2 parts of antioxidant according to the mass ratio and mix them evenly. Refining 1, after reacting for 55 minutes, heat up to 135-140°C, then add 9 parts of inorganic filler, mix well, react for 35 minutes, and extrude the mixture in the extruder to obtain the rubber layer material;
[0034] (4) Coat the adhesive layer mat...
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