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CN-224210733-U - Impact-resistant PP (Polypropylene) plate

CN224210733UCN 224210733 UCN224210733 UCN 224210733UCN-224210733-U

Abstract

The utility model relates to the technical field of plate materials, and discloses an impact-resistant PP plate, which comprises a PP plate main body, wherein honeycomb holes are formed in the inner wall of the top of the PP plate main body, a honeycomb or grid-shaped cavity structure is formed in the plate, the cavity structure absorbs energy through deformation, meanwhile, the impact force is dispersed by utilizing structural mechanics, the local stress concentration is reduced, the plate is light and the impact resistance is obviously improved, the outer walls of the two sides of the top and the bottom of the PP plate main body are in fit connection with a fusion agent layer, the outer wall of one side of the fusion agent layer far away from the PP plate main body is in fit connection with a surface plate, and the inner wall of the side surface of the PP plate main body is filled with a toughening layer. According to the utility model, the honeycomb or grid-shaped cavity structure is arranged in the plate, so that impact force is effectively dispersed, energy is absorbed through structural deformation, the impact resistance of the PP plate is remarkably improved, the weight of the plate is reduced, and the balance between light weight and high strength is realized.

Inventors

  • HUANG WANHUA

Assignees

  • 惠州市宝裕塑胶制品有限公司

Dates

Publication Date
20260508
Application Date
20250609

Claims (6)

  1. 1. The impact-resistant PP plate comprises a PP plate main body (1) and is characterized in that honeycomb holes (2) are formed in the inner wall of the top of the PP plate main body (1), a fusion agent layer (3) is connected to the outer walls of the two sides of the top and the bottom of the PP plate main body (1) in a fit mode, a surface plate (4) is connected to the outer wall of one side, far away from the PP plate main body (1), of the fusion agent layer (3), a toughening layer (5) is filled in the inner wall of the side face of the PP plate main body (1), and a reinforcing layer (6) is filled in the inner wall of the side face of the surface plate (4).
  2. 2. The impact-resistant PP sheet material as claimed in claim 1, wherein the number of the surface plates (4) is two, and the two surface plates (4) are respectively attached and connected to the outer walls of the top and bottom sides of the PP sheet material main body (1) through the fusion agent layers (3).
  3. 3. The impact-resistant PP sheet material as claimed in claim 1, wherein a plurality of the honeycomb holes (2) are formed, and the honeycomb holes (2) are respectively formed in the surface plate (4) and the side inner wall of the PP sheet material main body (1).
  4. 4. An impact resistant PP sheet material as claimed in claim 1, characterized in that the toughening layer (5) is filled into the material interior of the PP sheet material body (1) and mixed.
  5. 5. An impact-resistant PP sheet according to claim 1, characterized in that the reinforcement layer (6) is filled into the material interior of the top sheet (4) and mixed.
  6. 6. An impact resistant PP sheet material as claimed in claim 1, characterized in that the layer of compatibilizing agent (3) further comprises a layer of a polar polymer grafted with maleic anhydride PP material.

Description

Impact-resistant PP (Polypropylene) plate Technical Field The utility model relates to the technical field of sheet materials, in particular to an impact-resistant PP sheet material. Background The PP sheet material is a thermoplastic plastic sheet material prepared from polypropylene resin through an extrusion molding process, and polypropylene is a semi-crystalline polymer, and has the characteristics of low density, strong chemical corrosion resistance, easiness in processing and the like, so that the PP sheet material is widely applied to a plurality of fields of chemical industry, food, packaging, construction, automobiles and the like. The PP sheet material is a thermoplastic plastic sheet material prepared by taking polypropylene resin as a raw material through processes of extrusion and the like, has the density as low as 0.9-0.91g/cm < 3>, has light weight and good rigidity, can be used for a long time at the temperature of 100-120 ℃, has strong tolerance to chemical media such as acid and alkali, is nontoxic and environment-friendly, and meets the food contact standard. The plastic material is easy to form and process, can be widely applied to the fields of chemical industry corrosion prevention, food packaging, building templates and the like through welding and splicing, and is an indispensable plastic material in industry and daily life. The PP plate has the following defects that the PP molecular chain is of a linear structure, methyl side chains are regularly arranged, the acting force among the molecules is weak, the overall rigidity of the material is high, but the toughness is insufficient, under the impact of external force, the molecular chain is difficult to absorb energy through sliding or deformation, and brittle fracture is easy to occur, so that the impact-resistant PP plate is provided to solve the problems. Disclosure of Invention In order to make up for the defects, the utility model provides an impact-resistant PP plate, and aims to solve the problems that in the prior art, molecular chains are of a linear structure, methyl side chains are regularly arranged, intermolecular acting force is weak, the whole rigidity of the material is high, but toughness is insufficient, and the molecular chains are difficult to absorb energy through sliding or deformation under the impact of external force. In order to achieve the purposes, the utility model adopts the following technical scheme that the impact-resistant PP plate comprises a PP plate main body, honeycomb holes are formed in the inner wall of the top of the PP plate main body, a honeycomb or grid-shaped cavity structure is formed in the plate, the cavity structure absorbs energy through deformation, meanwhile, the impact force is dispersed by utilizing structural mechanics, the local stress concentration is reduced, the impact resistance is obviously improved while the plate is light, the outer walls of the two sides of the top and the bottom of the PP plate main body are in fit connection with a fusion agent layer, the outer wall of one side of the fusion agent layer, which is far away from the PP plate main body, is in fit connection with a surface plate, the side inner wall of the PP plate main body is filled with a toughening layer, and the side inner wall of the surface plate is filled with a reinforcing layer. As a further description of the technical scheme, the two surface plates are respectively attached and connected to the outer walls of the two sides of the top and bottom of the PP plate main body through the blending agent layers, the compatibility of two-phase interfaces is improved through the attachment between the plates, the binding force between different materials is enhanced, and the impact energy can be effectively transmitted in a system, so that the overall impact resistance is improved. As further description of the technical scheme, a plurality of honeycomb holes are formed, and the honeycomb holes are respectively formed in the surface plate and the side inner wall of the PP plate main body. According to the technical scheme, the material of the toughening layer filled into the PP plate main body is mixed and matched, the material proportion of the toughening layer filled into the PP plate main body is fifteen percent, the toughening layer is made of ethylene propylene rubber, thermoplastic elastomer and the PP plate main body, the elastomer forms a dispersed phase in the PP matrix, when the plate is impacted, the elastomer particles serve as stress concentration points, impact energy is absorbed, crack expansion is restrained, and the notch impact strength of the PP plate can be improved by over times. As further description of the technical scheme, the material of the reinforcing layer filled to the surface plate is internally mixed and matched, the material proportion of the reinforcing layer filled to the surface plate is five percent, the toughness of the PP plate can be obviously improved through t