Crosslinkable polymers
a reactive polymer and crosslinking technology, applied in the field of crosslinkable reactive polymers, can solve the problems of affecting the fidelity or correspondence of the material, the use of ito coatings, and the inability to meet the requirements of the material, and achieves the effects of high electrical conductivity, easy production, and high fidelity or corresponden
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invention example 1
active Polymer A from 3-f(4-t-butoxycarbonyloxy)-α-trifluoromethylbenzylsulfolpropyl methacrylate and glycidyl methacrylate in an 85:15 mol ratio
[0345]3 -[(4-t-Butoxycarbonyloxy)-α-trifluoromethylbenzylsulfo]propyl methacrylate monomer prepared above (2.05 g) and 0.11 g of glycidyl methacrylate were weighed out in a 100 ml single-neck round bottom flask and then dissolved in THF and chloroform to obtain a 20 weight % solids solution. With solution still cloudy, 0.03 g of 2,2′-azodi(2-methylbutyronitrile) (AMBN) initiator was added and the reaction solution was purged with nitrogen for about 30 minutes, capped with a septum, and placed in a preheated oil bath at 65° C. overnight. The reaction solution cleared during heating and was cooled and precipitated into ethanol, filtered, and dried. The resulting white solid was then dissolved in THF, precipitated into ethanol, filtered, and dried in a high vacuum oven at room temperature overnight. The resulting Reactive Polymer A had a weigh...
invention example 2
tion Polymer B from 3-[(4-t-butoxycarbonyloxy)-α-trifluoromethylbenzylsulfo]propyl methacrylate, glycidyl methacrylate, and t-butyl methacrylate (64:15:21 mol ratio)
[0349]3- [(4-t-Butoxycarbonyloxy)-α-trifluoromethylbenzylsulfo]propyl methacrylate monomer prepared above (3.85 g), 0.37 g of (-butyl methacrylate, and 0.27 g of glycidyl methacrylate were weighed out in a 100 ml single-neck round bottom flask and then dissolved in THF to obtain a 25 weight % solids solution. Then, 0.061 g of 2,2′-azodi(2-methylbutyronitrile) (AMBN) initiator was added and the reaction solution was purged with nitrogen for about 30 minutes, capped with a septum, and placed in a preheated oil bath at 65° C. overnight. The reaction solution cleared during heating and was cooled and precipitated into ethanol, filtered, and dried. The resulting white solid was then dissolved in THF, precipitated into ethanol, filtered, and dried in a high vacuum oven at room temperature overnight. The resulting Reactive Poly...
use examples 1 and 2
ive Composition Films and Electrically-Conductive Copper Patterns
[0350]Reactive Polymers A (for Invention Example 3) and B (for Invention Example 4) described above were dissolved in MEK to form 5 weight % reactive compositions along with 0.2 weight % of (methylphenyl)-diphenylsulfonium triflate salt (a monomer unit to onium salt molar ratio of 25:1). Each of the resulting reactive compositions was filtered and spin coated at 1200 RPM onto a substrate formed from poly(ethylene terephthalate) film with a polymeric adhesion layer of a polymer derived from glycidyl methacrylate and butyl acrylate that was applied before stretching as previously described, to form polymeric films on the substrate.
[0351]Each of the resulting precursor articles was exposed to short ultraviolet light through a chrome-on-quartz contact mask for 30 seconds, followed by contact with a vacuum hotplate at 110° C. for 1 to 2 minutes. Each resulting intermediate article was then immersed in a 0.4 molar silver nit...
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