Five-layer co-extruded fiber felt reinforced plastic composite board and manufacturing method thereof

A technology of reinforced plastics and fiber mats, which is applied in the field of five-layer co-extruded fiber felt reinforced plastic composite boards and its manufacture, which can solve the problems of large coefficient of thermal expansion and contraction, easily scalded plastic building templates, and lack of water resistance.

Inactive Publication Date: 2013-12-18
林世平
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The single-layer pure plastic plate has low tensile strength, bending strength, flexural modulus, and thermal deformation temperature, and a large linear expansion coefficient. For example, the tensile strength of polypropylene sheet is 24MPa, the flexural strength is 20MPa, and the flexural modulus is 20MPa. is 800MPa, and the coefficient of linear expansion is 1.5×10 -4 mm/m·℃, unable to meet the requirements of high strength, high modulus, and low expansion that must be possessed by structural

Method used

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  • Five-layer co-extruded fiber felt reinforced plastic composite board and manufacturing method thereof
  • Five-layer co-extruded fiber felt reinforced plastic composite board and manufacturing method thereof
  • Five-layer co-extruded fiber felt reinforced plastic composite board and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0105] A five-layer co-extruded fiber felt reinforced plastic composite board, which is composed of a plastic layer and a fiber felt: there are three layers of plastic layers, two layers of fiber felt, three layers of plastic layers are arranged in parallel, and the three layers of plastic layers are respectively the top layer, the middle layer Layer and bottom layer, a layer of fiber mat is lined between the top plastic layer and the middle plastic layer and between the middle plastic layer and the bottom plastic layer; the plastic layer is made of polypropylene, and the fiber mat is made of glass fiber; the fiber mat Continuous felt is selected, and the single layer quality of fiber felt is 200g / m 2 ~3000g / m 2 , the diameter of a single glass fiber is 10 μm to 25 μm, and the length of a single glass fiber is not less than 50 mm; the glass fiber of the fiber mat is treated by surface impregnation and grafting, that is, the outer surface of the glass fiber is bonded with a fil...

Embodiment 2

[0151] A five-layer co-extruded fiber felt reinforced plastic composite board, which is composed of a plastic layer and a fiber felt: there are three layers of plastic layers, two layers of fiber felt, three layers of plastic layers are arranged in parallel, and the three layers of plastic layers are respectively the top layer, the middle layer Layer and bottom layer, between the top plastic layer and the middle plastic layer, and between the middle plastic layer and the bottom plastic layer, each lined with a layer of fiber mat; the plastic layer is made of polyethylene, and the fiber mat is made of mixed fibers. The mixed fiber is mixed with glass fiber and polyethylene fiber, the mass percentage of polyethylene fiber in the mixed fiber is 20% to 80%, and the single filament diameter of polyethylene fiber in the mixed fiber is between 0.1mm and 1.0mm; the fiber mat is selected from short Cut felt, the single layer quality of fiber felt is 200g / m 2 ~3000g / m 2 , the diameter ...

Embodiment 3

[0196] A five-layer co-extruded fiber mat reinforced plastic composite board is composed of a plastic layer and a fiber mat, the plastic layer is made of hard polyvinyl chloride, the fiber mat is made of glass fiber; the fiber mat is made of continuous mat.

[0197] The contents of each component of the top plastic layer and the bottom plastic layer are as follows:

[0198] Component Mass percentage (%)

[0199] Rigid PVC 63.6

[0200] Montmorillonite 25

[0201] Tetrakis[β-3,5-di-tert-butyl-4-hydroxyphenylpropionic acid]pentaerythritol ester 0.9

[0202] N,N’-Ethylene bisstearamide 2

[0203]carbon black 2

[0204] Decabromodiphenylethane 6.5;

[0205] The content of each component of the middle layer plastic layer is as follows:

[0206] Component Mass percentage (%)

[0207] Rigid PVC 64.2

[0208] Montmorillonite 25

[0209] Tetrakis[β-3,5-di-tert-butyl-4-hydroxyphenylpropionic acid]pentaerythritol ester 0.3

[0210] N,N’-Ethylene bisstearamide 2

[0211] carbon...

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Abstract

The invention relates to the field of film or sheet products produced by plastic or plastic state substance, in particular to a five-layer co-extruded fiber felt reinforced plastic composite board. The five-layer co-extruded fiber felt reinforced plastic composite board is composed of plastic layers and fiber felts and is characterized in that there are three plastic layers and two fiber felts, the three plastic layers are respectively arranged in parallel, the three plastic layers are respectively a top layer, an intermediate layer and a bottom layer, a layer of fiber felts is respectively lined between the top plastic layer and the intermediate plastic layer and between the intermediate plastic layer and the bottom plastic layer, and the plastic layer is prepared from any one of polypropylene, polyethylene and rigid polyvinyl chloride. The five-layer co-extruded fiber felt reinforced plastic composite board provided by the invention is high in strength, low in density, good in weather resistance and wide in range of application.

Description

technical field [0001] The invention relates to the field of film or sheet products produced from plastic or materials in a plastic state, in particular to a five-layer co-extruded fiber mat reinforced plastic composite board and a manufacturing method thereof. Background technique [0002] At present, plastic panels are generally divided into single-layer plastic panels, three-layer and five-layer plastic composite panels. The single-layer board is produced by direct extrusion of polypropylene, polyethylene, rigid polyvinyl chloride and other materials, or it can be mixed with inorganic flake or granular materials and polypropylene, polyethylene, rigid polyvinyl chloride and other materials through a single screw Extruder melt extrusion production. Three-layer and five-layer plastic composite panels are generally produced by melting and co-extruding one or two layers of glass fiber mesh, geotextile and two or three layers of plastic through two or three single-screw extrud...

Claims

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Application Information

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IPC IPC(8): B32B27/12B29C47/02B29C47/06B29C43/30B29C47/92C08L23/12C08L23/06C08L27/06B32B37/10B32B38/18B29C48/07B29C48/92
CPCB32B37/153B32B2305/28B29C70/504B29C48/07
Inventor 林世平
Owner 林世平
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