2results about How to "Eliminate destruction" patented technology

The utility model discloses a novel non-standard case. The novel non-standard case comprises a case body and components arranged in the case body, a first side wall, facing a user, in the box body comprises at least a first panel and at least a second panel which are spliced, the first panel extends towards the interior of the box body to form a first extension section, and the second panel extends towards the interior of the box body to form a second extension section; wherein the first extending section is provided with a first connecting bolt in a penetrating mode in the thickness direction of the first extending section, the second extending section is provided with a second connecting bolt in the thickness direction of the second extending section, and the first connecting bolt and the second connecting bolt are both located in the box body. The first connecting bolt and the second connecting bolt are suitable for being connected with components. Therefore, the damage of dense holes to the integrity of the section of the profile is eliminated, and the panel is more attractive through the hidden bolt layout. Meanwhile, the contact area of the extension section and the inner frame of the box body is increased, a three-dimensional stress supporting structure can be formed through multi-point bolt locking, and the overall deformation resistance of the splicing panel is further enhanced.

This invention relates to the field of polyurethane adhesive technology, specifically to a thermoplastic polyurethane resin for bonding water-repellent fabrics, its preparation method, and its application. It is prepared from the following raw materials: polyol, isocyanate, blocked isocyanate, chain extender, bonding accelerator, water-repellent synergist, and catalyst; the bonding accelerator is a compound of γ-aminopropyltriethoxysilane and tetrabutyl titanate; the water-repellent synergist is epoxy-terminated polydimethylsiloxane. This invention, through optimized formulation, solves the technical problems of insufficient bonding strength and poor resistance to damp heat aging of existing polyurethane resins for water-repellent fabrics, while also considering the synergistic effect of resin processing fluidity and water-repellent performance. It is suitable for composite processing of water-repellent fabrics in high-frequency use scenarios and has broad industrial application prospects.