Adhesive composition and surface-protective film
A binder and composition technology, applied in the direction of adhesives, adhesive types, ester copolymer adhesives, etc., can solve problems such as inability to meet performance requirements, and achieve the prevention of adhesive residue and excellent antistatic performance , improve the effect of preventing
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Embodiment 1
[0111] Nitrogen gas was introduced into a reaction apparatus equipped with a stirrer, a thermometer, a reflux condenser, and a nitrogen introduction pipe, thereby replacing the air in the reaction apparatus with nitrogen. Then, added 100 parts by weight of 2-ethylhexyl acrylate, 0.9 parts by weight of 8-hydroxyoctyl acrylate, 0.5 parts by weight of acrylic acid, 3 parts by weight of polyethylene glycol monoacrylate, 5 N-vinylpyrrolidone in parts by weight, and simultaneously add 60 parts by weight of solvent (ethyl acetate). Then, 0.1 parts by weight of azobisisobutyronitrile as a polymerization initiator was dropped over 2 hours, and reacted at 65° C. for 6 hours to obtain acrylic acid used in Example 1 with a weight average molecular weight of 500,000. Copolymer Solution 1. A part of the acrylic copolymer was taken and used as a sample for acid value measurement described later.
Embodiment 2~9 and comparative example 1~4
[0113] Except that the composition of each monomer was adjusted as described in (A) to (E) and (I-2) in Table 1, it was carried out in the same manner as the above-mentioned acrylic copolymer solution 1 used in Example 1, Acrylic copolymer solutions used in Examples 2-9 and Comparative Examples 1-4 were obtained.
[0114] Table 1
[0115]
[0116]
[0117] [Example 1]
[0118] To the acrylic copolymer solution 1 of Example 1 manufactured as described above, 1.5 parts by weight of 1-octylpyridinium hexafluorophosphate, 0.2 parts by weight of KF-351A (polyether-modified siloxane of HLB=12) were added. Compound), 2.5 parts by weight of acetylacetone and stirring, add 1.0 parts by weight of Coronate HX (coronet HX, isocyanurate of hexamethylene diisocyanate compound), 0.2 parts by weight of Coronate L (coronet L, toluene diisocyanate compound and trimethylolpropane), 0.02 parts by weight of dioctyltin dilaurate, and then stirred and mixed to obtain the adhesive composition ...
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