UV viscosity-reducing adhesive with antistatic effect and preparation method of viscosity-reducing adhesive
An antistatic and antistatic agent technology, applied in the direction of conductive adhesives, adhesives, adhesive types, etc., can solve the problem of no antistatic effect and limited application range of viscosifying adhesives, and achieve good adhesion and interface bonding performance, improving cohesive strength and interface bonding strength, and avoiding the effect of residual glue
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[0034] UV antistatic effect having a reduced preparation of adhesives, comprising the steps of:
[0035] 1) dual-cure urethane acrylate pressure-sensitive adhesive Synthesis: Save the adhesive material in accordance with UV formulation having the antistatic effect are weighed acrylate, n-butyl acrylate, 2-ethylhexyl acrylate, hydroxyethyl acrylate , acrylic acid, benzoyl peroxide, four-necked flask, uniformly mixed with 50 parts of ethyl acetate with a free radical polymerization process for the random copolymerization, i.e., to obtain a polyacrylate prepolymer. Then, four-necked flask, pentaerythritol triacrylate, isophorone diisocyanate, 50 parts of ethyl acetate, to continue addition polymerization, to obtain a preparation of dual-cure urethane acrylate pressure-sensitive adhesive;
[0036] 2) having an antistatic effect reduction UV adhesive was prepared: The formulation of raw materials having antistatic effect according to the UV adhesive are weighed Save dual-cure urethane ...
Example Embodiment
[0041] Example 1
[0042] 1) Preparation of dual-cure urethane acrylate pressure-sensitive adhesive:
[0043] In the following component parts by mass of the raw material with a free radical polymerization process and the addition polymerization processes to obtain dual-cure urethane acrylate pressure-sensitive adhesive:
[0044] 16 parts of n-butyl acrylate
[0045] Acrylate, 2-ethylhexyl acrylate 23 parts
[0046] 8 parts of hydroxyethyl acrylate
[0047] 5 parts of acrylic acid
[0048] 4 parts of benzoyl peroxide
[0049] 35 parts of pentaerythritol triacrylate
[0050] 9 parts of isophorone diisocyanate
[0051] 100 parts of ethyl acetate
[0052] Radical polymerization temperature was controlled to 80-85 deg.] C, constant pressure dropping funnel 1.5 hours, the reaction was refluxed for 2.5 hours; addition polymerization temperature is controlled at 80 ± 3 ℃, refluxed 2.5 hours, cooled, it can be prepared by dual curable urethane acrylate pressure-sensitive adhesive.
[0053...
Example Embodiment
[0065] Example 2
[0066] 1) Preparation of dual-cure urethane acrylate pressure-sensitive adhesive:
[0067] In the following component parts by mass of the raw material with a free radical polymerization process and the addition polymerization processes to obtain dual-cure urethane acrylate pressure-sensitive adhesive:
[0068] 20 parts of n-butyl acrylate
[0069] 2-ethylhexyl acrylate, 21 parts of
[0070] 10 parts of hydroxyethyl acrylate
[0071] 4 parts of acrylic acid
[0072] 3 parts of benzoyl peroxide
[0073] 33 parts of pentaerythritol triacrylate
[0074] 9 parts of isophorone diisocyanate
[0075] 100 parts of ethyl acetate
[0076] Radical polymerization temperature was controlled to 80-85 deg.] C, constant pressure dropping funnel 1.5 hours, the reaction was refluxed for 2.5 hours; addition polymerization temperature is controlled at 80 ± 3 ℃, refluxed 2.5 hours, cooled, it can be prepared by dual curable urethane acrylate pressure-sensitive adhesive.
[0077] 2) ...
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