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PP (Propene Polymer) fiber composite board and production method

A fiber compounding and production method technology, applied in chemical instruments and methods, synthetic resin layered products, layered products, etc., can solve the problem of easy mildew on the surface of hemp felt board and medium fiber board, and the input of presses and flat molds Large, easy-to-produce warping and deformation of the board, to reduce the cost of secondary molding and equipment investment, to solve the effect of being susceptible to moisture and mildew, and reducing shear damage

Active Publication Date: 2015-05-06
湖南亚太实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the decorative panels used for automotive interior parts are all made of hemp felt panels, GMT panels, PP wood powder panels, MDF, etc., through secondary hot pressing molding or artificial pasting to complete the decorative surface PVC and non-woven fabrics The hot-press compounding and manual pasting compounding, the secondary processing not only increases the processing cost of the decorative parts, but also requires a large investment in the processing press and flat mold, and the plate is prone to warping and deformation due to temperature changes after processing and compounding. And the surface of MDF is prone to mildew when it is damp

Method used

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  • PP (Propene Polymer) fiber composite board and production method
  • PP (Propene Polymer) fiber composite board and production method
  • PP (Propene Polymer) fiber composite board and production method

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Experimental program
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preparation example Construction

[0042] The temperature of the preparation process of the pellets is 170-195 degrees.

[0043] The particle size of the crushing and grading of aggregates is 1-12mm.

[0044] In the granulation process, the mass ratio of fiber, fiber board material, PP and PE is 30-35:35-30:15-20:15-10.

[0045]The mass ratio of the extruded material of the substrate layer is 60-75:10-15:5-10:3-8:3-5 of pellets, PP, PE, POE, and additives.

[0046] The extruded material of the substrate layer has a thickness of 1-5mm.

[0047] The mass ratio of extruded material in the surface layer is PP, and the mass ratio of color masterbatch is 95:5.

[0048] The extruded material of the surface layer has a thickness of 20-80 filaments.

[0049] The non-woven fabric composited with the lower layer of the base material is spunlace non-woven fabric 40~60g / m 2 , Acupuncture non-woven fabric 70~90g / m 2 .

[0050] The thickness of the PVC leather compounded on the surface is 0.5-1.2mm.

[0051] The length...

Embodiment 1

[0055] Agglomerate material preparation, jute shear length 60mm, felt board return crushed material, 150#PP powder, 2426PE pellets, additives, etc., respectively carry out aggregate material granulation according to the ratio of 35:35:18:10:2, graded crushing Particle size 8mm.

[0056] Extrusion material preparation, substrate layer main extruder materials: pellets, F401PP, 8101PP, 5000SPE, general-purpose POE, additives, etc., respectively poured into the mixing mixer according to the ratio of 70:8:10:6:5:1 Mixing; the material of the surface layer paving extruder: 8101PP, color masterbatch, etc. are mixed at a ratio of 95:5, and the mixed materials are poured into the silo of the paving extruder; sheet cloth base spunlace non-woven fabric 40g / m2.

[0057] Sheet extrusion molding, surface layer auxiliary extruder screw temperature is 160-195 degrees, substrate layer main extruder screw temperature is 165-195 degrees, co-extrusion distributor and die head temperature is 190...

Embodiment 2

[0059] Agglomerate material preparation, felt board recycled crushed material, 50#PP powder, 2426PE pellets, additives, etc., were granulated according to the ratio of 70:18:10:2 respectively, and the particle size of graded crushing was 10mm.

[0060] Extrusion material preparation, substrate layer main extruder materials: pellets, F401PP, 8101PP, 5000SPE, general-purpose POE, additives, etc., respectively poured into the mixing mixer according to the ratio of 65:8:10:8:6:3 Mixed; surface layer material: 0.8 spunlace cloth-based PVC leather; sheet cloth-based needle-punched non-woven fabric 80g / m2.

[0061] Sheet extrusion molding, surface layer auxiliary extruder screw temperature is 160-195 degrees, substrate layer main extruder screw temperature is 165-195 degrees, co-extrusion distributor and die head temperature is 190-210 degrees, base The mixed material of the material layer is dehumidified, melted and matured by the main extruder, and the matured material is sent to t...

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Abstract

The invention discloses a PP (Propene Polymer) fiber composite board and a production method. The PP fiber composite board comprises a substrate layer (1) and a surface layer (2) and is prepared by the following steps: melt and cured materials of the substrate layer (1) and the surface layer (2) pass through a double-layer co-extrusion distributor to reach a die head which completes the extrusion of the PP fiber board; the composite formation of surface leather texture and non-woven fabrics of the extruded materials are completed through three rollers; and the board is cooled, drawn, cut and packaged. The PP fiber composite board is less vulnerable to damp mildew and never warps; and furthermore, the PP fiber composite board is low in production cost and reliable in quality.

Description

technical field [0001] The invention specifically refers to a PP fiber composite board and a production method. Background technique [0002] At present, the decorative panels used for automotive interior parts are all made of hemp felt panels, GMT panels, PP wood powder panels, MDF, etc., through secondary hot pressing molding or artificial pasting to complete the decorative surface PVC and non-woven fabrics The hot-press compounding and manual pasting compounding, the secondary processing not only increases the processing cost of the decorative parts, but also requires a large investment in the processing press and flat mold, and the plate is prone to warping and deformation due to temperature changes after processing and compounding. And the surface of MDF is prone to mildew when it is damp. In addition, with the rapid development of the automobile industry, more and more scraps are produced in the processing of automotive interior parts. There is no good recycling metho...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B32B27/12B32B27/32B29C47/02B29C59/02
Inventor 蒋建云董升顺黎东平
Owner 湖南亚太实业有限公司
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