Shatterproofing member with hardenable pressure-sensitive adhesive layer
A pressure-sensitive adhesive and adhesive layer technology, applied in the direction of film/sheet adhesive, non-polymer adhesive additives, adhesives, etc., can solve the difficulty of adhesive re-adhesion, which cannot be realized immediately Solve problems such as fixation and anti-scattering, and achieve excellent physical and chemical functionality, high-temperature pressure-sensitive adhesiveness/high-temperature adhesiveness, and excellent flame retardancy
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[0512] Hereinafter, the present invention will be described in more detail by means of examples, but the present invention is not limited to the examples shown below.
[0513] It should be noted that a biaxially stretched polyethylene terephthalate film (trade name: "MRN38", manufactured by Mitsubishi Chemical Polyester Film) having a thickness of 38 μm on which a silicone-based release treatment was performed was used Each separator and cover separator used in each of the following examples were used. When performing various evaluations, these separators and the cover separator were peeled off as necessary.
Synthetic example 1
[0514] (Synthesis example 1) (Preparation of photopolymerizable slurry (A))
[0515] 90 parts by weight of 2-ethylhexyl acrylate and 10 parts by weight of acrylic acid were used as monomer components, 0.05 parts by weight of a photopolymerization initiator (trade name: "IRGACURE651", manufactured by BASF), and 0.05 parts by weight of a photopolymerization initiator (trade name Name: "IRGACURE 184", manufactured by BASF) was stirred in a four-necked separable flask including a stirrer, a thermometer, a nitrogen gas introduction tube, and a cooling tube until the mixture became homogeneous. Afterwards, nitrogen bubbling was performed for 1 hour to remove dissolved oxygen. After that, UV light was applied from outside the flask by using a black light lamp to perform polymerization. At the point when moderate viscosity is obtained, the lights are turned off and nitrogen sparging is stopped. Thus, a photopolymerizable syrup (A) was prepared as a composition having a partially pol...
Synthetic example 2
[0516] (Synthesis example 2) (Preparation of photopolymerizable slurry (B))
[0517]100 parts by weight of cyclohexyl acrylate as a monomer component, 0.05 parts by weight of a photopolymerization initiator (trade name: "IRGACURE651", manufactured by BASF), and 0.05 parts by weight of a photopolymerization initiator (trade name: "IRGACURE184", manufactured by BASF system) in a four-necked separable flask including a stirrer, thermometer, nitrogen inlet tube, and cooling tube until the mixture became homogeneous. Afterwards, nitrogen bubbling was performed for 1 hour to remove dissolved oxygen. After that, UV light was applied from outside the flask by using a black light lamp to perform polymerization. At the point when moderate viscosity is obtained, the lights are turned off and nitrogen sparging is stopped. Thus, a photopolymerizable syrup (B) as a composition having a partially polymerized polymerization rate of 7% was prepared.
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