Abstract: A packaging box, including: a housing, including a cover body and a seat body, the seat body includes a first recessed portion and a second recessed portion, the cover body is reversibly connected to the seat body, so that the first recessed portion can be covered or exposed; a lifting mechanism, including a load-bearing member and a transmission part, and a reflector that is placed in the seat body and forms a 1 hollow space with the second recessed portion. The load-bearing member is placed in the first recessed portion and reversibly connected to the sidewall of the first recessed portion, the load-bearing member is used to carry items, and the transmission part is placed between the cover body and the load-bearing part so that the load-bearing part can be extended or retracted into the first recessed portion by the overturning of the cover body.

Abstract: The present disclosure provides a flat plate member and a packaging box, the flat member includes a plurality of sidewall regions and a connection region connected between adjacent sidewall regions, the connection region is formed with a plurality of V-shaped grooves arranged at intervals in an arrangement direction of adjacent sidewall regions on a surface facing a first side. The plurality of V-shaped grooves extend along a direction of intersection lines between the sidewall regions and the connection region, and an included angle of the V-shaped grooves is set according to a slotting influence parameter, and the slotting influence parameter comprises at least one of a bending angle of the connection region, a material of the connection region, and a number of the V-shaped grooves.

Abstract: A cellulose composite film, and a method for producing a cellulose composite film are provided. The cellulose composite film includes a cellulose film, a primer layer that is disposed on one side of the cellulose film, and a barrier layer that is disposed on one side of the primer layer. The cellulose film includes a regenerated cellulose film, the primer layer includes polyurethane film-forming resin, and the barrier layer includes a polyvinylidene chloride (PVDC) coating with an anti-fogging agent.

Abstract: The present disclosure relates to a composite membrane and a packaging structure. The composite membrane comprises: a carrier layer; and an information layer, wherein the information layer is disposed on one side of the carrier layer along thickness direction of the composite membrane, and the information layer further comprises a light-transmitting layer, a first pattern layer, and a second pattern layer, which are disposed along the thickness direction of the composite membrane, wherein: the first pattern layer is disposed close to the carrier layer; the light-transmitting layer is disposed on one side of the first pattern facing layer away from the carrier layer; the second pattern layer is disposed on one side of the light-transmitting layer facing away from the carrier layer, and the second pattern layer and the first pattern layer present different visual information of one multi-dimensional object.

Abstract: A composite for manufacturing a barrier layer, a barrier layer, a method for manufacturing the barrier layer, and a packaging material are provided. Based on the total mass of the composite as 100 parts by mass, the composite includes the following components by mass: Polyhydroxyalkanoate, 70 to 96 parts by mass; polylactic acid, 1 to 15 parts by mass; modified layered silicate, 1 to 5 parts by mass; polyalkylene carbonate, 1 to 20 parts by mass; and auxiliary agent, 1.3 to 12 parts by mass.

Abstract: A type of cat litter and its preparation method are provided. The content of this cat litter is calculated according to parts by mass and includes the following components: 100 parts of plant fiber waste, 1-7 parts of bacteriostat, 1-34 parts of deodorant, 1-27 parts of agent, 1-47 parts of binder, 1-94 parts of water-absorbing agent and 20-80 parts of water, wherein the bacteriostatic agent includes a mesoporous solid base.

Abstract: This application provides a paper pulp, a method for producing paper pulp, and a paper pulp product. The method for producing paper pulp includes: crushing bamboo shoot shells to obtain crushed materials; mixing the crushed materials with cooking, cooking the mixture to obtain slurry; washing the slurry to obtain waste liquid and washed slurry; purifying the washed slurry to obtain the paper pulp.

Abstract: A packaging box, including: a housing, including a cover body and a seat body, the seat body includes a first recessed portion and a second recessed portion, the cover body is reversibly connected to the seat body, so that the first recessed portion can be covered or exposed; a lifting mechanism, including a load-bearing member and a transmission part, and a reflector that is placed in the seat body and forms a 1 hollow space with the second recessed portion. The load-bearing member is placed in the first recessed portion and reversibly connected to the sidewall of the first recessed portion, the load-bearing member is used to carry items, and the transmission part is placed between the cover body and the load-bearing part so that the load-bearing part can be extended or retracted into the first recessed portion by the overturning of the cover body.

Abstract: The present disclosure relates to a packing box and a cardboard structure. The packing box includes: a box body, which further includes a bottom, a side wall and a containing space; the side wall connects to the bottom, and the containing space is formed by the bottom and the side wall; a carrying structure, positioned in the containing space; the carrying structure, including connecting parts and buffer parts, connects to the side wall with a bendable connection in one-piece structure; the buffer part is connected to both ends of the connecting part along the second direction, and the carrying structure is connected to the side wall through the connecting part; the buffer part is connected to the connecting part with a bendable connection, the buffer part abuts against the side wall with deformation; and the effective space inside the box changes with the deformation of the buffer part.

Abstract: The present disclosure relates to a composite membrane and a packaging structure. The composite membrane comprises: a carrier layer; and an information layer, wherein the information layer is disposed on one side of the carrier layer along thickness direction of the composite membrane, and the information layer further comprises a light-transmitting layer, a first pattern layer, and a second pattern layer, which are disposed along the thickness direction of the composite membrane, wherein: the first pattern layer is disposed close to the carrier layer; the light-transmitting layer is disposed on one side of the first pattern facing layer away from the carrier layer; the second pattern layer is disposed on one side of the light-transmitting layer facing away from the carrier layer, and the second pattern layer and the first pattern layer present different visual information of one multi-dimensional object.