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A kind of basalt fiber grid cloth reinforced composite material and preparation method thereof

A technology for reinforcing composite materials and basalt fibers, applied in the field of basalt fiber mesh reinforced composite materials and their preparation, can solve the problem that tensile strength, impact strength, flexural strength and flexural modulus cannot meet the requirements of special materials, and the impact resistance Poor, high temperature resistance and other problems, to meet the performance and reference economic practicability, high comprehensive performance effect

Active Publication Date: 2022-05-13
NANCHONG XUYANG PLASTIC MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the plastics used in automobiles and new energy vehicles are conventional plastics and partially modified plastics. The amount of plastics used in automobiles is about 250-400KG per car in foreign countries, and about 150-250KG per car in China; modified plastics are widely used abroad. And composite materials are used in the automotive industry; currently, the conventional plastic materials we produce are used in the automotive industry, and these materials have some defects that cannot meet special requirements: such as ABS boards have common uses, have high hardness, good toughness, and are easy to process. The disadvantages are poor cold resistance, high temperature resistance, tensile strength, and impact resistance; PC sheet has better rigidity, cold resistance, high temperature resistance, and other properties; the tensile strength, impact strength, bending strength, and bending modulus of the two materials reach Less than special material requirements

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] The PC resin and ABS resin are automatically input into the drying bin according to the proportion and dried; the temperature of the drying material is 90-100 ℃, and the time is 3 hours.

[0025] Raise the temperature of each zone of the plastic extrusion compound machine to 220°C, 235°C, 240°C, (vacuumize) 220°C, 245°C, 250°C, 260°C, 260°C, 265°C, 265°C, 265°C, the mold temperature 250°C, 245°C, 240°C, 235°C, 240°C, 245°C, 250°C; when the temperature is reached, start the 1# plastic extrusion compound machine, and automatically input the dried PC resin and ABS resin into the metering chamber Enter the 1# plastic extrusion compound machine into the hopper to melt, and the screw pushes the melt into the mold to automatically extrude into a melt blank. At this time, the basalt fiber mesh cloth 600g / m2 pre-set above the extrusion compound machine 2 The surface of the melted flakes is introduced into the double-roller or three-roller rolling machine to be mixed, impregnated...

Embodiment 2

[0029] Put the above-mentioned PC+ABS materials into the metering hopper and automatically enter the 1# plastic extrusion compound machine, and extrude the melt into soft billets or plates by the screw after high-temperature melting; then put the basalt fiber preset on the extrusion compound device Mesh cloth 700g / m 2 Introduce the melted flakes into the double-roller rolling machine for mixing, impregnation, wrapping, pouring, and rolling to form reinforced composite substrates or sheets. The temperature of the 1# extruder is 220 ° C ~ 265 ° C; the mold temperature is 235 ° C ~ 250°C; introduce the reinforced composite base material or substrate into the 2# extrusion coating rolling machine, at this time, the above-mentioned PC+ABS is input into the weighing hopper and automatically enters the 2# coating machine to be melted and extruded into thin sheets and laid on the basalt fiber The mesh surface is impregnated, wrapped, poured, and rolled again to become a reinforced comp...

Embodiment 3

[0031] Input the above-mentioned PC+ABS materials into the meter and automatically enter the 1# plastic extrusion compounding machine. After high-temperature melting, the melt is extruded into a soft billet or plate by the screw; and then the basalt fiber preset on the extrusion compounding device Mesh cloth 500g / m 2 Introduce the surface of the melted billet into the double-roller rolling machine for mixing, impregnating, wrapping, pouring, and rolling to form a reinforced composite substrate or substrate. The temperature of the 1# extrusion composite machine is 220 ° C ~ 265 ° C; the mold temperature is 235 ° C ~250°C; introduce the reinforced composite substrate or substrate into the 2# extrusion laminating roller, at this time, the above-mentioned PC+ABS is input into the meter and automatically enters the 2# laminating machine to be melted and extruded into thin sheets and laid on the basalt fiber The surface of the mesh cloth is impregnated, wrapped, poured and rolled ag...

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Abstract

The invention discloses a basalt fiber grid cloth reinforced composite material and a preparation method thereof, and relates to the field of new materials. This material can be used to replace steel and aluminum for the interior decoration of automobiles and new energy vehicles, as well as part of the body frame and the outer shell of the vehicle to reduce the weight of the vehicle. The basalt fiber mesh cloth reinforced composite material includes the following components: basalt fiber mesh cloth 500-1500g / m 2 , PC resin 20-80 parts, ABS resin 80-20 parts, antioxidant 0-1 part, lubricant 0-2 parts, mineral oil 0-200ml, coupling agent 0-5 parts.

Description

technical field [0001] The invention relates to the field of new materials, in particular to a basalt fiber grid cloth reinforced composite material and a preparation method thereof. Background technique [0002] In response to the demands of automobile and new energy vehicle manufacturers, the weight of automobiles and new energy vehicles should be reduced. To implement lightweight vehicles, the first is to reduce the weight of materials, then to reduce the weight of parts, and finally to reduce the weight of vehicles. New energy electric vehicles need to add batteries and motors to increase the weight by about 500KG. How to reduce the weight of 500KG on the basis of the existing electric vehicle weight can only be found by using long fiber reinforced composite thermosetting resins and thermoplastic resins, and using long carbon fibers and basalt Fiber and glass fiber reinforced composite thermosetting resins and thermoplastic resins use plastic to replace steel and plasti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L69/00C08L55/02C08K7/10C08K5/134C08K5/526C08K13/04C08J5/04B29D7/01B29C48/92B29C48/07
CPCB29D7/01B29C48/92B29C48/07C08J2369/00C08J2455/02C08J2355/02C08J2469/00C08K7/10C08K5/1345C08K5/526C08K13/04B29C2948/92704C08J5/0405
Inventor 母潇母永清
Owner NANCHONG XUYANG PLASTIC MFG CO LTD
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