10 results about "Biodegradable bag" patented technology

The invention discloses a full-biodegradable bag and a preparation method thereof in the technical field of biodegradable materials.According to the full-biodegradable bag, polylactic acid and poly (butylene adipate-co-terephthalate) serve as matrixes, and performance optimization is achieved by adding a specially-made nanofiber interpenetrating network compatibilizer and a star-shaped structure bio-based plasticizer; wherein the nanofiber interpenetrating network compatibilizer is prepared by grafting polylactic acid and poly (butylene adipate-co-terephthalate) chain segments on cellulose nanofibers through an atom transfer radical polymerization technology, and the star-shaped structure bio-based plasticizer is prepared through ring opening polymerization and melt grafting technologies. In addition, the formula also comprises a maleimide modified lignin filler, an ethylene bis stearamide lubricant and an antioxidant. Through the synergistic effect of the two specially-made modified compounds, the compatibility of all the components is remarkably improved, the preparation process is simple and reliable and suitable for industrial production, and the problem of white pollution of traditional plastic products can be effectively solved.

The utility model relates to bag sealing technical field, concretely is a kind of heat sealing device of biodegradable bag. It includes frame, bag mouth smoothing device and bag mouth heat sealing device. Frame is provided with mounting bracket;Bag mouth smoothing device includes lifting plate, two shift poles of sliding installation on lifting plate and the drive assembly for driving two shift poles mutually close or away;Second air cylinder for driving lifting plate lifting is installed on mounting bracket;Bag mouth heat sealing device includes two hot-pressing mechanisms of symmetrical arrangement. The utility model passes through bag mouth adsorption, smoothing, heat sealing and a series of orderly operation steps, realizes the high-quality sealing of biodegradable bag.

The application provides a preparation device of a biodegradable puller zipper bag. The biodegradable puller zipper bag comprises a biodegradable bag body, a plurality of reinforcing ribs are symmetrically arranged at the front and back ends of the biodegradable bag body, a zipper is arranged at the upper end of the biodegradable bag body, and a puller is arranged on the zipper. A plurality of reinforcing ribs are arranged in a grid shape on the outside of the biodegradable bag body, the strength of the biodegradable bag body is improved, the produced zipper bag is firm and durable, and the technical problem that the strength of the zipper bag in the prior art is insufficient and the zipper bag is easily torn is solved.

A portable toilet system for outdoor use includes a plurality of pegs and a biodegradable bag liner. Each peg features a stake with a pointed end for ground insertion and a peg body with a horizontal recess to secure the bag liner. The peg body has two magnets adjacent to the recess and a removable slider with a magnet that can couple to either magnet on the peg body, allowing for adjustable bag liner securement. The biodegradable bag liner is configured to be held open by the pegs, providing a convenient and environmentally friendly solution for managing human waste during outdoor activities. The system ensures secure placement and easy adjustment of the bag liner, enhancing user convenience and environmental safety.

The invention discloses a bamboo fiber recyclable express environment-friendly bag and a preparation method thereof, and belongs to the technical field of green packaging materials and sustainable logistics equipment. The environment-friendly bag is formed by melting and co-extruding modified bamboo fibers, bioactive polyolefin and aminated two-dimensional molybdenum disulfide to prepare a 60-100 [mu] m thin film and then heat-sealing the thin film. The modified bamboo fibers are prepared through alkali liquor pretreatment, ultrasonic cleaning, plasma activation and aminated MoS coating, the bioactive polyolefin is obtained through plasma grafting maleic anhydride, and aminated MoS synchronously achieves the functions of interface enhancement, lubrication and friction reduction, bacteria resistance and bacteriostasis and thermal stability improvement. The problems that a traditional plastic express bag is serious in pollution and an existing biodegradable bag is insufficient in performance are solved, and an efficient solution is provided for green transformation of the express industry.

The utility model discloses a kind of biodegradable bag punching equipment, it is related to degradable bag technical field.The utility model includes two supports, two described supports are provided with tool changing mechanism and two positioning mechanisms;Two described supports are provided with conveying assembly between, the tool changing mechanism includes the support frame fixedly connected on two supports, the support frame is fixedly connected with electric telescopic handle on, the output shaft of electric telescopic handle is fixedly connected with fixed ring, the positioning mechanism includes the threaded rod screwed on support frame (211), the side of threaded rod away from electric telescopic handle is fixedly connected with handle.The utility model is provided with tool changing mechanism, it is inconvenient to replace cutting tool according to the size of required hole, so as to cause when facing different punching demand, when replacing different types or specifications cutting tool, often need to spend a lot of time in cutting tool replacement operation, greatly reduce the problem of equipment's work efficiency.

The invention relates to the field of medical instruments, and discloses an intragastric balloon which comprises an inner balloon and an outer balloon sleeved outside the inner balloon, and the inner side of the balloon wall of the inner balloon and the inner side of the balloon wall of the outer balloon are respectively provided with a first self-sealing valve and a second self-sealing valve which are located in the same straight line direction; a degradable release valve is arranged on the wall of the inner balloon; a breathable bag is arranged between the inner balloon and the outer balloon, two degradable bags are arranged in the breathable bag, and bicarbonate and citric acid are contained in the two degradable bags respectively; the outer balloon is made of a disulfide bond cross-linked polyester film; the degradation time of the degradable release valve is a, the degradation time of the degradable bag is b, and a is greater than b; the bicarbonate is at least one of sodium bicarbonate and potassium bicarbonate. The intragastric balloon provided by the invention has the characteristics that the size is automatically adjusted, and the mode of being discharged out of a body is convenient and controllable.

A winding device for biodegradable bags, relating to the technical field of winding devices, includes a base. Cylinders are fixedly mounted on both sides of the base, and mounting seats are fixedly mounted on one side of each cylinder. A transmission wheel is rotatably mounted on one side of each mounting seat. A connecting rod is rotatably mounted between the mounting seat and the transmission wheel. Transmission teeth are fixedly sleeved on the outside of the transmission wheel. The transmission wheel is connected to the output shaft of a motor via the transmission teeth and a transmission belt. The motor is fixed to the lower surface of the base. A limit key is provided inside the transmission wheel, and a keyway is provided on the connecting rod, with the limit key engaging with the keyway. A control plate is fixedly mounted between the output shaft of the cylinder on the same side and the connecting rod. A winding rod is fixedly mounted on the opposite side of the control plate, and the two winding rods cooperate with each other. This invention solves the problem of poor adaptability of current winding devices by adjusting the distance between the two support plates, thereby adapting to the size of the fully biodegradable bag being wound, and increasing the reliability of the device.

A portable toilet system suitable for outdoor use comprising: A biodegradable bag liner 200 and a plurality of pegs, each peg comprising: A stake for insertion into the ground; A peg body 102 having a

The utility model discloses cold cutting equipment for biodegradable bag processing, and relates to the field of biodegradable bag processing. The biodegradable bag processing and cold cutting equipment comprises a machine body and further comprises a support fixedly installed above the machine body; the telescopic cylinders are symmetrically mounted on the bracket; the mounting plate is fixedly connected between the telescopic ends of the two telescopic air cylinders; the cutter is mounted on the lower side of the mounting plate; the limiting assemblies are used for limiting the biodegradable bag and are mounted on the two sides of the mounting plate; the feeding conveying belt and the discharging conveying belt are installed on the machine body and located on the two sides of the cutter. The bearing plate and the cutting groove are arranged between the two conveying belts, the biodegradable bags are limited through the limiting assembly, the cutter can smoothly cut and separate the biodegradable bags, the problem that the conveying belts are damaged due to the fact that the cutter descends too much does not need to be considered, and the cutting efficiency is improved. And the problem that the descending distance of the cutter is difficult to adjust in the cutting process of traditional equipment is effectively solved.