Low-shrinkage uv-curable acrylate pressure-sensitive adhesive, its preparation method and low-shrinkage uv-curable acrylate pressure-sensitive adhesive tape
An acrylate, low shrinkage technology, applied in the field of low shrinkage UV-curable acrylate pressure-sensitive adhesive tapes, can solve the problems of high pressure-sensitive adhesive adhesion and low shrinkage, and achieve low shrinkage and adhesion. Large, the effect of solving the shrinkage phenomenon
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0032] 1) After mixing 45g of butyl acrylate, 15g of isooctyl acrylate, 15g of vinyl acetate, 4.7g of acrylic acid, 2g of hydroxyethyl acrylate, and 0.3g of 4-acryloyloxybenzophenone, take 60 % with the solvent (ethyl acetate:toluene=5:3) of 75g, 0.15g initiator AIBN mixes and pours into the four-necked flask that thermometer, mechanical stirring (150rap / min) and condensing tube are equipped with, then be heated to 80 ℃ reaction, when the viscosity of the reaction system starts to increase, count 1h.
[0033] 2) After 1h, the remaining monomer, 75g of solvent (ethyl acetate: toluene = 5:3) and 0.075g of initiator AIBN were evenly added dropwise into the reaction system within 1h using a constant liquid funnel, and then incubated for 2h.
[0034] 3) Add the remaining 0.075g of initiator AIBN into the reaction system at one time, and then keep it warm for 1.5h.
[0035] 4) After heat preservation for 1.5 hours, add 18 g of polyvinyl acetate into the reaction system, adjust the ...
Embodiment 2
[0039] 1), mix 45g of butyl acrylate, 15g of isooctyl acrylate, 15g of vinyl acetate, 4.7g of acrylic acid, 2g of hydroxyethyl acrylate, and 0.3g of phenyl-(1-acryloyloxy)-cyclohexyl ketone Afterwards, get its 60% and 75g solvent (ethyl acetate: toluene=5:3), 0.15g initiator AIBN is mixed and poured into the four-necked flask that thermometer, mechanical stirring (150rap / min) and condenser pipe are housed , and then heated to 80°C for reaction, when the viscosity of the reaction system began to increase, timed for 1h.
[0040] 2) After 1 hour, the remaining monomer, 75g of solvent and 0.075g of initiator were evenly added dropwise into the reaction system within 1 hour using a constant liquid funnel, and then kept for 2 hours of reaction.
[0041] 3) Add the remaining 0.075g of the initiator into the reaction system at one time, and then keep it warm for 1.5h.
[0042] 4) After heat preservation for 1.5 hours, add 18 g of polyvinyl acetate into the reaction system, adjust the...
Embodiment 3
[0046] 1) After mixing 45g of butyl acrylate, 15g of isooctyl acrylate, 15g of vinyl acetate, 4.7g of acrylic acid, 2g of hydroxyethyl acrylate, and 0.3g of 4-acryloyloxybenzophenone, take 60 % with the solvent (ethyl acetate:toluene=5:3) of 75g, 0.15g initiator AIBN mixes and pours into the four-necked flask that thermometer, mechanical stirring (150rap / min) and condensing tube are equipped with, then be heated to 80 ℃ reaction, when the viscosity of the reaction system starts to increase, count 1h.
[0047] 2) After 1 hour, the remaining monomer, 75g of solvent and 0.075g of initiator were evenly added dropwise into the reaction system within 1 hour using a constant liquid funnel, and then kept for 2 hours of reaction.
[0048] 3) Add the remaining 0.075g of the initiator into the reaction system at one time, and then keep it warm for 1.5h.
[0049]4) After 1.5 hours of heat preservation reaction, add 18 g of polyvinyl acetal into the reaction system, adjust the rotation sp...
PUM
Login to View More Abstract
Description
Claims
Application Information
Login to View More