Electrolyte-solvent-resistant acrylate pressure-sensitive adhesive and preparation method thereof
A technology of acrylate and methyl acrylate, applied in the field of pressure-sensitive adhesives, can solve the problems of expensive functional monomers and failure to meet product requirements, and achieve the effects of improving compatibility, increasing cross-linking degree, and increasing cohesive strength
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[0032] A preparation method of an electrolyte solvent-resistant acrylate pressure-sensitive adhesive, comprising the steps of:
[0033] S1. Weigh acrylic acid, hydroxypropyl acrylate, isobornyl acrylate, glycidyl methacrylate, methyl acrylate, vinyl acetate, butyl acrylate, isooctyl acrylate, lauryl methacrylate, diphenyl peroxide Formyl, isocyanate curing agent, epoxy curing agent;
[0034] S2. Add the vinyl acetate, methyl acrylate, butyl acrylate, isooctyl acrylate, lauryl methacrylate, isobornyl acrylate and ethyl acetate solutions weighed into the condensing reflux reactor, and gradually heat up to Keep at 80-82 degrees Celsius with stirring;
[0035] S3. Add acrylic acid, hydroxypropyl acrylate and glycidyl methacrylate dropwise to the condensation reflux reactor, then slowly add part of ethyl acetate and part of dibenzoyl peroxide dropwise; while maintaining the temperature at 80-82 degrees Celsius , the dropping time is 2 hours, and then kept at 80-82 degrees Celsius...
Embodiment 1
[0041] S1. Weigh 12 parts of butyl acrylate, 36 parts of isooctyl acrylate, 24 parts of vinyl acetate, 9 parts of methyl acrylate, 7 parts of lauryl methacrylate, 2 parts of glycidyl methacrylate, 2 parts of acrylic acid, 2 parts of hydroxypropyl acrylate, 6 parts of isobornyl acrylate, 0.4 parts of dibenzoyl peroxide, 2 parts of epoxy curing agent, 2 parts of isocyanate curing agent;
[0042] S2. 24 parts of vinyl acetate, 9 parts of methyl acrylate, 12 parts of butyl acrylate, 36 parts of isooctyl acrylate, 7 parts of lauryl methacrylate, 6 parts of isobornyl acrylate and ethyl acetate were weighed. The solution is added to the condensing reflux reactor, and the temperature is gradually raised to 80-82 degrees Celsius and kept with stirring;
[0043] S3. Add 2 parts of acrylic acid, 2 parts of hydroxypropyl acrylate and 2 parts of glycidyl methacrylate dropwise into the condensation reflux reactor, and then slowly add part of ethyl acetate and 0.2 part of dibenzoyl peroxide ...
Embodiment 2
[0048] S1. Weigh 12 parts of butyl acrylate, 45 parts of isooctyl acrylate, 15 parts of vinyl acetate, 9 parts of methyl acrylate, 7 parts of lauryl methacrylate, 2 parts of glycidyl methacrylate, 2 parts of acrylic acid, 2 parts of hydroxypropyl acrylate, 6 parts of isobornyl acrylate, 0.4 parts of dibenzoyl peroxide, 2 parts of epoxy curing agent, 2 parts of isocyanate curing agent;
[0049] S2. 15 parts of vinyl acetate, 9 parts of methyl acrylate, 12 parts of butyl acrylate, 45 parts of isooctyl acrylate, 7 parts of lauryl methacrylate, 6 parts of isobornyl acrylate and ethyl acetate were weighed. The solution is added to the condensing reflux reactor, and the temperature is gradually raised to 80-82 degrees Celsius and kept with stirring;
[0050] S3. Add 2 parts of lauryl methacrylate, 2 parts of acrylic acid, and 2 parts of hydroxypropyl acrylate dropwise into the condensation reflux reactor, and then slowly add part of ethyl acetate and 0.2 parts of dibenzoyl peroxide ...
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