Straw-containing composite material and preparation equipment thereof

Abstract

The invention provides a straw-containing composite material and preparation equipment thereof, belongs to the technical field of plastic composite materials, and solves the problem that the cutting precision is affected due to the fact that rotary knife rollers of some existing cutting equipment expand due to heating in the cutting process. The straw-containing composite material is prepared from the following raw materials in parts by weight: 8 to 20 parts of straw, 50 to 60 parts of polylactide, 3 to 8 parts of calcium powder, 1 to 5 parts of titanium dioxide, 0.5 to 1.4 parts of vegetable oil, 0.1 to 0.3 part of adhesive and 0.2 to 0.6 part of toughening agent. The material provided by the invention is prepared by adding a straw material, straw can be effectively utilized, the material has a degradation function and is more environment-friendly, and meanwhile, the preparation equipment provided by the invention can cool a self rotary knife roll in the process of cutting a resin material to prevent the rotary knife roll from being deformed due to temperature rise, so that the cutting precision is ensured, and the service life of the rotary knife roll is prolonged. And meanwhile, the equipment can adjust the gap between the rotary knife roll and the auxiliary roll, and is suitable for resin materials with different thicknesses.

Description

technical field [0001] The invention belongs to the technical field of plastic composite materials, and relates to a material and its preparation equipment, in particular to a straw-containing composite material and its preparation equipment. Background technique [0002] Straw is the general term for the stems and leaves (ears) of mature crops. Usually refers to the remaining parts of wheat, rice, corn, potato, rapeseed, cotton, sugar cane and other crops after harvesting seeds. At present, farmers mostly use incineration to treat straw for fertilization, but it seriously pollutes the environment. Therefore, it is a feasible solution for environmental protection to participate in the preparation of composite materials with straw. [0003] Plastic is a high molecular compound polymerized by addition polymerization or polycondensation reaction with monomer as raw material. During the production process of plastic, straw can be added to prepare composite materials. In the pro...

AI Technical Summary

Problems solved by technology

At present, farmers mostly use incineration to treat straw for fertilizing fields, but it seriously pollutes the environment. Therefore, it is a feasible solution for environmental protection to participate in the preparation of composite materials with straw

[0003] Plastic is a high molecular compound polymerized by addition polymerization or polycondensation reaction with monomer as raw material. During the production process of plastic, straw can be added to prepare composite materials. In the process of preparation, block or strip shape The resin material is cut into granules for use in extruders. In the process of cutting resin materials, a rotary knife roller is usually used for cutting, and an auxiliary roller is added to support the material during the cutting process, but the cutting process In the process, the rotary knife roller frequently rubs against the material to generate heat, and the rotary knife roller expands due to heat, which affects the cutting accuracy. Moreover, some cutting equipment cannot adjust the distance between the rotary knife roller and the auxiliary roller, which makes the equipment itself unable to cut different thicknesses. resin material

Images