Polymer and curable compositions improved in storage stability
A curable composition and polymer technology, applied in the field of polymers with crosslinkable functional groups, can solve the problems of low curing speed and difficult construction
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Embodiment 1B
[0465] Embodiment 1BA / MA copolymer
[0466]Into a 1 L flask, 3.67 g (25.6 mmol) of copper bromide (I) and 46 mL of acetonitrile were added, and heated and stirred at 70° C. for 20 minutes under a nitrogen stream. 9.59 g (26.6 mmol) of diethyl 2,5-dibromoadipate, 425 mL (2.96 mol) of butyl acrylate, and 41 mL (0.44 mol) of methyl acrylate were added thereto, followed by heating and stirring at 80° C. for 20 minutes. Thereto, 0.444 mL (2.56 mmol) of pentamethyldiethylenetriamine (hereinafter referred to as triamine) was added to start the reaction. Further, 0.178 mL (0.85 mmol) of triamine was added, and heating and stirring was continued at 80° C., during which 0.178 mL (0.85 mmol) of triamine was added. After 180 minutes from the start of the reaction, the inside of the reaction container was reduced in pressure to remove volatile components. After 240 minutes from the start of the reaction, add 140 mL of acetonitrile, 53 mL (0.43 mol) of 1,7-octadiene, and 1.78 mL (8.52 mmo...
Embodiment 2B
[0469] Embodiment 2BA / MA / SA copolymer
[0470] 3.40 g (23.7 mmol) of copper bromide (I) and 47 mL of acetonitrile were added to a 1 L flask, and heated and stirred at 70° C. for 20 minutes under a nitrogen flow. Thereto were added 7.80 g (21.7 mmol) of diethyl 2,5-dibromoadipate, 336 mL (2.34 mol) of butyl acrylate, 59 mL (0.63 mol) of methyl acrylate, and 77 mL (0.19 mol) of stearyl acrylate, Then heated and stirred at 80° C. for 20 minutes. 0.495 mL (2.37 mmol) of triamine was added thereto to start the reaction. Further, 0.165 mL (0.79 mmol) of triamine was added, and heating and stirring were continued at 80° C., during which 0.165 mL (0.79 mmol) of triamine was added. After 180 minutes from the start of the reaction, the inside of the reaction container was reduced in pressure to remove volatile components. After 240 minutes from the start of the reaction, add 141 mL of acetonitrile, 58 mL (0.40 mol) of 1,7-octadiene, and 1.65 mL (7.91 mmol) of triamine, and continue h...
Embodiment 3
[0480] Under a nitrogen atmosphere, 50 parts of DIDP (diisodecyl phthalate: manufactured by Kyowa Hakko), 1.5 parts of vinyltrimethoxysilane, N-(β-aminoethyl)-γ-aminopropyltrimethoxy 2 parts of polysilane were thoroughly mixed by hand in 100 parts of the polymer [2] obtained in Example 1, and then 1 part of a tetravalent Sn catalyst (dibutyltin diacetylacetonate) was mixed to prepare a one-component mixture.
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