14 results about "Paper adhesive tape" patented technology

The invention provides a starch-based adhesive for a paper adhesive tape as well as a preparation method and application of the starch-based adhesive, and relates to the technical field of adhesives. The starch-based adhesive for the paper adhesive tape comprises a main component and water, wherein the mass percentage of the main component is 5-10%; the main component is prepared from starch, polyvinyl alcohol and sodium carboxymethyl cellulose in a weight ratio of (25-75): (75-25): (3-7). The starch, the polyvinyl alcohol (PVA) and the carboxymethyl cellulose (CMC) form a blending system, and hydrogen bonds and chains among the three components are entangled to form a physical cross-linked network, so that the prepared starch-based adhesive simultaneously realizes dry-state dormancy (non-adhesion) and wet-state rapid activation (high initial adhesion).

The utility model discloses a double-shaft adhesive tape rewinding machine which comprises a machine frame, openings are formed in the two sides of the back face of the machine frame, an unwinding shaft is arranged in the two openings jointly, a tensioning roller is arranged at the top of the machine frame, sliding ways are formed in the middles of the two side walls of the machine frame, winding shafts are arranged on the inner sides of the sliding ways, and the winding shafts are arranged on the inner sides of the sliding ways. And a baffle is arranged at the bottom of the inner side of the sliding way, a pneumatic clamping roller is arranged below the winding shaft, second air cylinders are installed in the middles of the inner walls of the two sides of the rack, two first air cylinders are installed at the bottom of the front face of the rack, and a semicircular cylinder is jointly arranged at the top ends of the two first air cylinders. By arranging a series of structures, a cut adhesive tape roll containing backing paper can be wound on the winding shaft again, the winding efficiency of the winding machine can be improved, the external force borne by the rewinding adhesive tape roll during discharging is reduced, and the probability that the adhesive tape roll deforms during discharging is reduced.

The application discloses a liquid-cooled box forming method combining friction stir welding and vacuum electron beam welding. The method is as follows: firstly, milling the upper water channel side plate and the lower water channel side plate respectively, cleaning and loading the square plug, loading the cover plate into the water channel plate, adopting friction stir welding, then carrying out nondestructive testing and air tightness testing; then, carrying out numerical control finishing on the upper water channel side plate and the lower water channel side plate, taking out the square plug, sealing the connecting mortise and the cover plate hole with paper adhesive tape; then, cleaning all parts, assembling the parts of the box together by using the positioning combination detachable tooling, adopting vacuum electron beam welding to weld the liquid-cooled box body, then adopting handheld laser welding to assist welding, and then carrying out nondestructive testing and air tightness testing; finally, carrying out numerical control finishing on the liquid-cooled box, and carrying out electroplating surface treatment, air tightness testing and paint protection treatment. The application has the advantages of simple process, low production cost, strong implementability, high structural strength and high reliability.

This invention provides a kraft tape that allows cardboard boxes to be opened without the use of tools such as cutters, thereby improving the efficiency of the opening process. [Solution] A kraft tape 100 used for sealing cardboard boxes comprises a base material 110 made of kraft paper that is in the shape of a strip with perforations 112 formed in the center of the width direction along the longitudinal direction, and an adhesive layer 120 formed on the back surface of the base material with a water-soluble adhesive. With this form of kraft tape, the kraft tape can be easily torn along the perforations, so that cardboard boxes can be opened without using tools such as cutters, and the workability when opening can be improved.

The utility model provides a textured paper adhesive tape, which belongs to the field of adhesive tapes and comprises an adhesive tape body. The adhesive tape body comprises a tape body and two adhesive layers, and the adhesive layers are located at the two ends of the tape body and are arranged in parallel; the belt body comprises a masking paper base material layer, a reinforcing layer and a protective layer, the protective layer and the reinforcing layer are located on the upper side and the lower side of the masking paper base material layer respectively, the adhesive layer is arranged on the reinforcing layer and is in a strip shape, the side edge of the adhesive layer is aligned with the side edge of the belt body, the reinforcing layer is made of polyester fibers, and the protective layer is made of polyester fibers. The reinforcing layer is arranged in a net shape. According to the utility model, the contact area between the adhesive layer and the door frame and the ceramic tile is reduced, when the adhesive tape needs to be torn off subsequently, the adhesive tape can be more conveniently and quickly removed from the adhered surface, and the time and the strength required for tearing off the adhesive tape are reduced. Meanwhile, the residual quantity of the adhesive layer can be reduced, and the situation that excessive adhesive marks are left on the pasted surface, and consequently attractiveness and subsequent use are affected is avoided.

The utility model discloses a high toughness textured paper adhesive tape with an auxiliary cutting mechanism, which belongs to the technical field of adhesive tapes, and comprises a cylinder core, an adhesive tape component, a damping rotating mechanism, a pressing cutting mechanism and a size adjusting mechanism, the adhesive tape component is arranged on the cylinder core, the damping rotating mechanism is arranged in the cylinder core, and the pressing cutting mechanism is arranged on the cylinder core. The pressing and cutting mechanism is installed on the upper side of the damping rotating mechanism, the size adjusting mechanism is installed on the lower side of the damping rotating mechanism, the adhesive tape assembly comprises masking paper, a primer and an adhesive, the masking paper is wound on the cylinder core, one end of the masking paper is fixedly connected to the cylinder core, a plurality of longitudinal indentations are arranged on the masking paper, and the primer is arranged on the base coat. And chloroprene rubber resin is arranged in the longitudinal indentations, and a primer is sprayed on the side, close to the cylinder core, of the masking paper. By means of the mode, the cutting head can be rapidly replaced to cut masking paper, and different lines are formed on the cutting portion.

This utility model discloses a tensile-resistant, environmentally friendly, water-resistant kraft paper tape, comprising a first kraft paper layer, a first adhesive, a yarn layer made of plant fiber material, a second kraft paper layer, and a second adhesive. The yarn layer is disposed between the first and second kraft paper layers and bonded by the first adhesive. The second adhesive is applied to either the first or second kraft paper layer. The yarn layer consists of multiple first yarns and multiple second yarns. Each first yarn is straight, and each second yarn is serrated. The multiple first yarns extend along the length of the tape, and each second yarn is interwoven or staggered with adjacent first yarns. The serrations formed by each second yarn face the width of the tape. The yarn layer of this utility model can better disperse stress, thereby improving the overall tear resistance of the tape. Furthermore, the yarn layer is made of plant fiber material, making it more environmentally friendly and easier to recycle, which helps reduce recycling and remanufacturing costs.

The invention relates to the technical field of adhesive tapes, in particular to a tissue paper flame-retardant adhesive tape and a preparation method and application thereof.The tissue paper flame-retardant adhesive tape sequentially comprises a flame-retardant acrylic acid pressure-sensitive adhesive layer, a tissue paper layer, a flame-retardant acrylic acid pressure-sensitive adhesive layer and a release layer from top to bottom, comprising the following raw materials in parts by weight: 95-100 parts of acrylic resin, 15-25 parts of flame-retardant powder and 0.5-1.5 parts of a curing agent. The prepared tissue paper adhesive tape is good in cohesiveness and has a good flame retardant effect.

This application relates to the field of medical paper adhesive tape technology, and provides a paper adhesive tape that facilitates the location of breaks. The tape includes: several adhesive blocks, perforated portions, and marking portions. The adhesive blocks are sequentially connected along the tearing direction, and perforated portions are formed at both ends of each adhesive block in the tearing direction. Each pair of adjacent adhesive blocks is connected through the perforated portions. Marking portions are respectively disposed at one end of each adhesive block opposite to the tearing direction, and the color of the marking portions is different from the color of the adhesive blocks. This invention, by providing perforated portions at both ends of the adhesive blocks, allows adjacent adhesive blocks to be easily separated along the predetermined direction of the perforated portions, resulting in a clean break that does not affect subsequent use. Simultaneously, the marking portions around the break, which are different in color from the adhesive blocks, make the break very obvious, allowing medical personnel to easily locate the break.

The present invention provides a paper tape in which a release coating layer is formed using an eco-friendly water-soluble silicone emulsion and an adhesive layer is formed using a water-soluble acrylic emulsion. Since the tape is easily decomposed in water after use and can be recycled, the recycling process of paper packaging materials can be simplified. Consequently, it can contribute to environmental protection by reducing the negative environmental impact compared to conventional tapes.

The application provides a stone cultural relic crack grouting method based on a high-pH-resistant microbial mineralization process. The method comprises small-scale crack and large-scale crack grouting repair; the small-scale crack is treated by grouting with a microbial slurry, and the microbial slurry is prepared from urea, a high-pH-resistant microbial liquid and hydraulic lime; the large-scale crack is sealed and protected by hot melt adhesive and paper adhesive tape before grouting, grouted by microbial mortar prepared from stone powder, hydraulic lime, urea and the high-pH-resistant microbial liquid, and subjected to surface shaping treatment after the grouting and curing are completed; and the high-pH-resistant microbial liquid is obtained by domesticating non-toxic and harmless microorganisms. The application provides a technology and method suitable for cracks of stone cultural relics of multiple scales, can improve the early strength of the hydraulic lime, has the advantages of good salt resistance, green environmental protection, simple operation, low cost, wide application range and the like.

The utility model relates to an adhesive tape unwinding and recycling mechanism and a wire harness adhesive tape winding device, which comprise a first support, a first driving part, an unwinding shaft, a winding shaft and a transmission disc, the first driving part is arranged on the first support and drives the unwinding shaft to rotate, the unwinding shaft is used for being sleeved with a roll-shaped release paper adhesive tape so as to bear the roll-shaped release paper adhesive tape, and the winding shaft is arranged on the transmission disc. The winding shaft is parallel to the unwinding shaft, the winding shaft is rotatably connected with the first support and used for winding recycled release paper, the two transmission discs are coaxially and fixedly connected to the unwinding shaft so as to clamp a roll-shaped release paper adhesive tape on the unwinding shaft, and the peripheral side edges of the transmission discs abut against the peripheral face of the winding shaft so as to rub and drive the winding shaft to rotate. By arranging the two transmission discs, the release paper adhesive tape on the unwinding shaft can be clamped, the release paper adhesive tape is prevented from loosening, and the winding shaft can be driven to wind release paper through friction transmission. The release paper adhesive tape winding device can wind the release paper adhesive tape on the wire harness, ensures that the release paper adhesive tape is not easy to disperse, and can realize the recovery of the release paper.

The invention discloses a textured paper adhesive tape for polishing ornaments, a preparation method and application. The adhesive tape comprises a textured release paper base material and a rubber pressure-sensitive adhesive layer, the rubber type pressure-sensitive adhesive comprises the following components in parts by weight: 100 parts of rubber, 20-60 parts of common resin, 0-20 parts of liquid resin, 1-6 parts of an antioxidant, 3-15 parts of thermal reaction type phenolic resin, 3-20 parts of zinc oxide, 0.5-5 parts of stearic acid, 1-5 parts of an accelerant and 80-500 parts of a solvent. And the dry gluing amount of the adhesive layer is 30-100g / m < 2 >. The preparation method comprises the steps of burdening, coating, drying, reacting, rolling, slitting and the like. By optimizing the composition proportion and preparation process parameters of the adhesive, the problems that an existing adhesive tape for polishing the ornaments is not firm in bonding, the ornaments are prone to falling off during polishing and the cost is high are solved, and the adhesive tape has the advantages of being firm in bonding and good in economical efficiency and is suitable for fixed scenes in the polishing process of the ornaments.

The utility model discloses an aviation hydraulic system conduit joint leakage detection test paper adhesive tape, which comprises a PET (polyethylene terephthalate) base material adhesive tape, the PET base material adhesive tape forms single sticking adhesive tapes with the same size through a quick-tearing parting line, and each single sticking adhesive tape is provided with oil detection test paper. According to the utility model, the single-time sticking adhesive tape, the oil liquid detection test paper and the oil absorption non-woven fabric are arranged, so that the color of the oil liquid can be changed after the oil liquid is in contact with the adhesive tape of the detection test paper, and the tiny leakage of the guide pipe joint of the aviation hydraulic system can be quickly judged; therefore, the problems that a touch detection method cannot reach a part and a dye flaw detection method is not suitable for high-frequency normal use are solved, the working efficiency and the defect detection rate are greatly improved, the accuracy and the convenience of leakage detection of the aviation hydraulic system conduit joint are improved, and comprehensiveness is realized at the same time.