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High-strength automotive dashboard

A high-strength technology for automobile dashboards, applied in the direction of manufacturing tools, wood processing equipment, impregnated wood, etc., can solve the problems that materials are difficult to achieve surface fusion, improve interface bonding, reduce melt viscosity, increase Compatibility and Dispersion Effects

Inactive Publication Date: 2016-07-06
CHONGQING YU NAN POLYTRON TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The use of bamboo powder to fill composite materials can reduce costs, but because bamboo fiber is a hydrophilic substance, the surface has a large number of polar functional groups, and there is a high interface with the hydrophobic substance polypropylene during the composite process with plastics Poor energy, it is difficult for two materials with different polarities to achieve sufficient surface fusion

Method used

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Embodiment 1

[0009] The invention discloses a high-strength automobile instrument panel, which is characterized in that it comprises the following components by weight: 110-130 parts of homopolypropylene, 23-35 parts of polyolefin elastomer, 20-40 parts of bamboo fiber, Modifier 0.4-0.8 parts, talcum powder 15-25 parts, nucleating agent 0.2-0.8 parts.

[0010] Further, the modifying agent is one or a mixture of coupling agent and fatty acid ester.

[0011] Further, the modifying agent is composed of the following components in parts by weight: 13-20 parts of isopropyl tris(dioctyl phosphate acyloxy) titanate, diisooctyl dipolyphosphate stearate 10-27 parts of magnesium, 45-60 parts of 1,2-glyceryl stearate.

[0012] The present invention adopts modifying agent to carry out surface modification treatment to bamboo fiber, makes the surface of bamboo fiber active, wraps modifying agent on its surface, thereby has improved the compatibility between bamboo fiber and polypropylene and polyolefi...

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PUM

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Abstract

The invention discloses a high-strength automotive dashboard. The dashboard is characterized in comprising the following components, by weight: 110-130 parts of homo-polypropylene, 23-35 parts of a polyolefin elastomer, 20-40 parts of bamboo fiber, 0.4-0.8 parts of a modifier, 15-25 parts of talc powder, and 0.2-0.8 parts of a nucleating agent. According to the invention, the bamboo fiber is subjected to a surface modification treatment with the modifier, such that the surface of the bamboo fiber is activated. The surface of the bamboo fiber is coated with the modifier, such that the compatibility of the bamboo fiber with polypropylene and polyolefin is improved. Also, polypropylene plasticizing performance is improved, melt viscosity is reduced; fluidity is improved; the compatibility and dispersity among all components of the system are effectively enhanced; and interfacial adhesion of the material system is improved. Therefore, all mechanical performances can be effectively improved.

Description

technical field [0001] The invention belongs to the field of automobile parts, in particular to a high-strength automobile instrument panel. Background technique [0002] Automotive interior parts, mainly refers to the automotive products used in the interior modification of the car, involving all aspects of the car interior, such as glove boxes, car seat back panels, car inlays, car side panels, pillar guards, door panels, car instrumentation Panels, car sub-dashboards, glove boxes, radio boxes and central consoles are all automotive interior products. The automotive interior system is an important part of the car body, and the design workload of the interior system accounts for more than 60% of the car styling design workload, far exceeding the car shape, and is one of the most important parts of the car body. The use of bamboo powder to fill composite materials can reduce costs, but because bamboo fiber is a hydrophilic substance with a large number of polar functional g...

Claims

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Application Information

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IPC IPC(8): C08L23/12C08L23/00C08L97/02C08K3/34B27K3/50
Inventor 李富朝
Owner CHONGQING YU NAN POLYTRON TECH
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