Adhesive product
A technology for adhesives and products, applied in the direction of adhesives, film/sheet adhesives, film/sheet without carrier, etc., can solve problems such as complicated procedures, improve operability and avoid bonding
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Embodiment 1
[0094] As the thermoplastic adhesive, a synthetic rubber-based thermoplastic adhesive (TN286-Z, manufactured by MORESCO) was used. In addition, as a non-adhesive material, an olefin-based thermoplastic adhesive (Protector B, manufactured by MORESCO) was used.
[0095] The synthetic rubber-based thermoplastic adhesive and the olefin-based thermoplastic adhesive are used as raw materials, and the volume ratio of the olefin-based thermoplastic adhesive to the synthetic rubber-based thermoplastic adhesive is 1%, and they are put into the total Extruder (Co-Extrusion Machine S1000, manufactured by JPB Industr). The above co-extruder was set as follows: the molding speed was 50 kg / h, the cooling water temperature was 7°C, the cooling time was 10 minutes, and the temperature of the extrudate (the temperature when discharged from the co-extruder) was 130°C . The inner diameter of the cross-sectional shape in the direction perpendicular to the longitudinal direction of the extrudate is ...
Embodiment 1a
[0102] The thermoplastic adhesive product 10a is wound on a core to form a wound body. figure 1 It is an external view of the wound body of the linear thermoplastic adhesive product 10a manufactured according to this embodiment. in figure 1 Among them, 3 is one end of the thermoplastic adhesive product 10a, and 6 is the core. The thermoplastic adhesive product 10a is a linear long object in which the middle part (the part in the longitudinal direction) is covered with a non-adhesive material except for one end and the other end, even if it is wound on the core 6 In the state, the adhesion between adjacent intermediate parts was not observed. In addition, due to its sufficient length and flexibility, such as figure 1 As shown, it can be easily rolled into a roll.
Embodiment 2
[0104] Except for setting the above-mentioned molding speed to 200 kg / h, a linear thermoplastic adhesive product was produced under the same conditions as in Example 1, and a thermoplastic adhesive product 10b was obtained. The above-mentioned inner diameter of the thermoplastic adhesive product 10b is 14 mm. Measured by the same method as in Example 1. As a result, the storage modulus, which is an index of flexibility, was 1.0×10 6 Pa, elongation at break is 2000%. Furthermore, it was confirmed that there is a fracture peak derived from the non-adhesive material in the vicinity of the elongation at break 1000%.
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Abstract
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