Waterborne tackifying resin exclusively used for PVC electrical adhesive tape and preparation method thereof
A technology of electrical tape and tackifying resin, which is applied in adhesives, chemical modification of natural resins, rosin adhesives, etc., can solve the problems of low performance of tackifying resins, achieve improved bonding strength, high safety factor, and labor safety Guaranteed effect
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[0024] Example 1
[0025] Raw materials and dosage
[0026] Rosin 40 kg; triethyl phosphite and triphenyl phosphite 0.5 kg, UV9 and UV531 0.5 kg, zinc oxide 0.3 kg; glycerin 6 kg; sodium dodecylbenzene sulfonate 20 kg; 95℃ hot pure water 40 Kg; styrene-isoprene-styrene block copolymer 5 kg; styrene-butadiene-styrene block copolymer 3 kg;
[0027] The production steps are:
[0028] A. Put 40 kilograms of rosin into a four-necked flask equipped with an electric stirrer, dripping device, reflux condenser, and thermometer. The rosin is intercalated with 5 kilograms of styrene-isoprene-styrene at 200°C under the protection of nitrogen. Block copolymer and 3 kilograms of styrene-butadiene-styrene block copolymer were copolymerized with 0.1 kilograms of zinc oxide to obtain an elastomer modified rosin copolymer;
[0029] B. Add 6 kg of glycerin, 0.5 kg of triethyl phosphite and triphenyl phosphite, and 0.2 kg of zinc oxide to the elastomer-modified rosin copolymer obtained in step A. The tem...
Example Embodiment
[0031] Example 2
[0032] Rosin 53 kg; additives: tris[2,4-di-tert-butylphenyl] phosphite 0.4 kg, β(3',5'-di-tert-butyl-4'-hydroxyphenyl) eighteen propionate 0.5 kg of ester, 0.5 kg of magnesium oxide, 0.1 kg of UV317; 6 kg of glycerin, 6 kg of pentaerythritol; 15 kg of sodium dodecylbenzene sulfonate; 53 kg of hot pure water at 95°C; styrene-isoprene-styrene Block copolymer 5 kg; styrene-butadiene-styrene block copolymer 5 kg;
[0033] The production steps are:
[0034] A. Add 53 kg of rosin to a four-necked flask equipped with an electric stirrer, dripping device, reflux condenser, and thermometer. The rosin is intercalated with 5 kg of styrene-isoprene-styrene at 200°C under the protection of nitrogen. Copolymerization of the segment copolymer and 5 kg of styrene-butadiene-styrene block copolymer initiated by 0.2 kg of magnesium oxide to obtain an elastomer modified rosin copolymer;
[0035] B. Add 6 kg of glycerin, 6 kg of pentaerythritol 0.5 kg, 0.4 kg of tris[2,4-di-tert-butyl...
Example Embodiment
[0037] Example 3
[0038] Raw materials and dosage
[0039] Rosin 45 kg; additives: zinc oxide 0.4 kg, triphenyl phosphite 0.4 kg, UV-9, UV531, UV317 0.5 kg, tetra[3-(3,5-di-tert-butyl-4-hydroxyphenyl) Propionic acid] pentaerythritol 0.2 kg; diethylene glycol 10 kg, trimethylolpropane 3 kg; sodium dodecylbenzene sulfonate 10 kg; 95 ℃ hot pure water 45 kg; styrene-isoprene-styrene 10 kg of block copolymer; 5 kg of styrene-butadiene-styrene block copolymer;
[0040] The production steps are:
[0041] A. Put 45 kilograms of rosin into a four-necked flask equipped with an electric stirrer, dripping device, reflux condenser, and thermometer. The rosin is intercalated with 10 kilograms of styrene-isoprene-styrene at 200°C under the protection of nitrogen. Copolymerization of the segment copolymer and 5 kg of styrene-butadiene-styrene block copolymer initiated by 0.2 kg of zinc oxide to obtain an elastomer modified rosin copolymer;
[0042] B. Add 10 kilograms of diethylene glycol, 3 kilogr...
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