KR20170095637A - Natural fiber composite and automobile bonnet using the natural fiber composite - Google Patents

Natural fiber composite and automobile bonnet using the natural fiber composite Download PDF

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Publication number
KR20170095637A
KR20170095637A KR1020160017323A KR20160017323A KR20170095637A KR 20170095637 A KR20170095637 A KR 20170095637A KR 1020160017323 A KR1020160017323 A KR 1020160017323A KR 20160017323 A KR20160017323 A KR 20160017323A KR 20170095637 A KR20170095637 A KR 20170095637A
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KR
South Korea
Prior art keywords
resin
fiber composite
composite material
eco
fibers
Prior art date
Application number
KR1020160017323A
Other languages
Korean (ko)
Inventor
공창덕
이하승
박현범
Original Assignee
조선대학교산학협력단
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 조선대학교산학협력단 filed Critical 조선대학교산학협력단
Priority to KR1020160017323A priority Critical patent/KR20170095637A/en
Publication of KR20170095637A publication Critical patent/KR20170095637A/en

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
    • C08J5/045—Reinforcing macromolecular compounds with loose or coherent fibrous material with vegetable or animal fibrous material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/06—Fibrous reinforcements only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
    • B29C70/345—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation using matched moulds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/08—Front or rear portions
    • B62D25/10—Bonnets or lids, e.g. for trucks, tractors, busses, work vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
    • B62D29/04—Superstructures, understructures, or sub-units thereof, characterised by the material thereof predominantly of synthetic material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/06—Unsaturated polyesters

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Composite Materials (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Body Structure For Vehicles (AREA)
  • Superstructure Of Vehicle (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

The present invention relates to an eco-friendly fiber composite material and a vehicle bonnet using the eco-friendly fiber composite material. More specifically, a composite material is manufactured using eco-friendly fibers and resin, and the composite material is applied to a car bonnet, The present invention relates to an eco-friendly fiber composite material capable of securing safety by reinforcing the rigidity thereof, and a vehicle bonnet using the eco-friendly fiber composite material.

Description

[0001] The present invention relates to a natural fiber composite material,

The present invention relates to an eco-friendly fiber composite material and a vehicle bonnet using the eco-friendly fiber composite material. More specifically, the composite material is manufactured using environmentally friendly fibers and resin, and the composite material is applied to a car bonnet, The present invention relates to an eco-friendly fiber composite material capable of securing safety by reinforcing the rigidity thereof, and a vehicle bonnet using the eco-friendly fiber composite material.

Generally, a metal material such as an iron plate is used for a vehicle body, and various technologies for reducing fuel consumption are being developed.

Conventionally, the thickness of the steel plate as an automobile body is reduced, or the body is made of an alloy made by mixing iron and other components, thereby reducing fuel consumption.

However, according to the conventional technologies, there is a problem that the vehicle body is easily distorted at the time of a vehicle collision due to its light weight, and thus the safety of the driver can not be assured.

Therefore, it is urgently required to develop a composite material capable of providing the rigidity of the vehicle body at the same time while tilting the vehicle body so as to reduce fuel consumption.

Published Utility Model No. 20-1998-067811 (published on December 05, 1998) Open Patent No. 10-2000-0053282 (published on Aug. 25, 2000) Registered utility model No. 20-0387360 (announced on June 17, 2005)

It is an object of the present invention to provide an eco-friendly fiber composite material capable of reducing the weight of a vehicle body and reinforcing rigidity by a fiber material to secure safety, and a vehicle bonnet using the eco- .

The objects of the present invention are not limited to the above-mentioned objects, and other objects not mentioned can be clearly understood by those skilled in the art from the following description.

In order to accomplish the above object, And an eco-friendly fiber composite material comprising eco-friendly plant fibers of at least one of flax, hemp, jure, sisal, henequen and coir. Lt; / RTI >

In a preferred embodiment, the resin is a vinyl ester.

The present invention further provides a vehicle bonnet, comprising an inner panel and an outer panel, wherein the inner panel and the outer panel are made of an eco-friendly fiber composite according to the present invention.

In a preferred embodiment, the inner panel and the outer panel each comprise a plurality of layers.

In a preferred embodiment, the inner panel is 16 plies thick and the outer panel is 3 plies thick.

In a preferred embodiment, a plurality of grooves are formed at predetermined positions of the inner panel.

The present invention also relates to a method for preparing a natural fiber; Placing the natural fiber of a predetermined shape on a mold for a car bonnet; A resin injecting step of injecting a resin through a resin injection port of the mold; And molding the vehicle bonnet in which the natural fiber and the resin are combined, wherein the resin injecting step is performed by a resin infusion molding (RIM) method. do.

In a preferred embodiment, the natural fibers are flax fibers.

In a preferred embodiment, the resin is a vinyl ester.

The present invention further provides a vehicle bonnet manufactured by the method for manufacturing a car bonnet according to the present invention.

The present invention has the following excellent effects.

First, according to the eco-friendly fiber composite material and the vehicle bonnet using the eco-friendly fiber composite material of the present invention, the composite material using the environmentally friendly fibrous resin is applied to the automotive bonnet, thereby reducing the weight of the vehicle body and securing the rigidity of the vehicle body .

Further, according to the eco-friendly fiber composite material of the present invention and the vehicle bonnet using the same, it is manufactured by the RIM (Resin Infusion Molding) method and has advantages of easy molding and molding, thereby facilitating mass production.

1 is a view showing a vehicle bonnet according to an embodiment of the present invention.
2 is a block diagram illustrating a manufacturing process of a car bonnet according to an embodiment of the present invention.
FIG. 3 is a view showing a vehicle bonnet manufactured by the manufacturing method of FIG. 2. FIG.

Although the terms used in the present invention have been selected as general terms that are widely used at present, there are some terms selected arbitrarily by the applicant in a specific case. In this case, the meaning described or used in the detailed description part of the invention The meaning must be grasped.

Hereinafter, the technical structure of the present invention will be described in detail with reference to preferred embodiments shown in the accompanying drawings.

However, the present invention is not limited to the embodiments described herein but may be embodied in other forms. Like reference numerals designate like elements throughout the specification.

The eco-friendly fiber composite material according to one embodiment of the present invention is a composite material formed by combining fibers and synthetic resin, and comprises a fiber and a resin.

The fiber is used for improving the mechanical properties by functioning as a skeleton of the composite material, and is formed using eco-friendly plant fibers without using glass fibers or carbon fibers, which are artificial materials.

For example, the fibers can be made of eco-friendly materials such as flax, hemp, jure, sisal, henequen and coir. , Fibers of different kinds can be used in combination.

Further, in the present invention, the fiber is made of flax fiber.

Herein, the flax fiber is excellent in mechanical strength, rigidity and vibration absorbing property, and has a relatively low cost and a high production yield compared to other fibers.

The resin surrounds the outside of the fiber to form the appearance of the composite material, and various kinds of synthetic resin may be used.

For example, a vinyl ester, an epoxy resin or a phenol resin can be used as the resin, and in the present invention, it is provided with a vinyl ester which is relatively inexpensive and easy to manufacture.

1 is a view showing a vehicle bonnet 100 according to an embodiment of the present invention.

Referring to FIG. 1, a vehicle bonnet 100 according to an exemplary embodiment of the present invention includes an inner panel 110 and an outer panel 120.

Here, the inner panel 110 and the outer panel 120 are made of an eco-friendly fiber composite according to the present invention.

 In addition, the inner panel 110 and the outer panel 120 may have a plurality of layers.

More specifically, the inner panel 110 is formed of 16 plies and the outer panel 120 is formed of 3 plies so as to secure the rigidity of the vehicle body at the time of a vehicle collision .

In addition, a plurality of grooves 111 may be formed at predetermined positions of the inner panel 110.

This makes it possible to make the vehicle body lighter, while securing rigidity with a stable structure.

2 is a diagram illustrating a method of manufacturing a car bonnet according to an embodiment of the present invention.

Referring to FIG. 2, a method of manufacturing a vehicle bonnet according to an embodiment of the present invention is a method for injecting resin using a resin infusion molding (RIM) method. First, natural fibers are prepared S100).

The natural fibers are preferably flax fibers.

This is because the flax fibers have a relatively low cost and a high production yield as compared with other natural fibers.

Next, the natural fiber having a predetermined shape is placed on a mold for a car bonnet (S200).

Next, the resin is injected through the resin injection port of the mold (S300).

At this time, the resin is injected by the RIM (Resin Infusion Molding) method, and impregnates the natural fiber that is stuck to the mold.

Also, a vinyl ester may be used as the resin.

Next, a car bonnet in which the natural fiber and the resin are combined is formed (S400).

Accordingly, the manufacturing method of the car bonnet according to the embodiment of the present invention is advantageous in that the RIM (Resin Infusion Molding) method is used, so that the molding and the molding are simple and mass production is easy compared with the conventional technologies I have.

3, the present invention further provides a vehicle bonnet manufactured by the method for manufacturing a car bonnet according to the present invention.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be taken by way of limitation, Various changes and modifications will be possible.

110: Inner panel
111: Home
120: outer panel

Claims (10)

Suzy; And
The present invention relates to an eco-friendly fiber composite material comprising eco-friendly plant fibers such as flax, hemp, jure, sisal, henequen and coir.
The method according to claim 1,
Wherein the resin is a vinyl ester.
An apparatus, comprising an inner panel and an outer panel,
Wherein the inner panel and the outer panel are made of the environmentally friendly fiber composite material according to claim 1 or 2.
The method of claim 3,
Wherein the inner panel and the outer panel each comprise a plurality of layers.
5. The method of claim 4,
Wherein the inner panel has a thickness of 16 plies and the outer panel has a thickness of 3 plies.
5. The method of claim 4,
Wherein a plurality of grooves are formed at predetermined positions of the inner panel.
Preparing natural fibers;
Placing the natural fiber of a predetermined shape on a mold for a car bonnet;
A resin injecting step of injecting a resin through a resin injection port of the mold;
Molding the vehicle bonnet in which the natural fiber and the resin are combined,
Wherein the resin injecting step is performed by a resin infusion molding (RIM) method.
8. The method of claim 7,
The natural fibers
≪ / RTI > wherein the fibers are fibers.
8. The method of claim 7,
Wherein the resin is a vinyl ester. ≪ RTI ID = 0.0 > 11. < / RTI >
A vehicle bonnet produced by a method of manufacturing a vehicle bonnet as claimed in any one of claims 7 to 9.

KR1020160017323A 2016-02-15 2016-02-15 Natural fiber composite and automobile bonnet using the natural fiber composite KR20170095637A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020160017323A KR20170095637A (en) 2016-02-15 2016-02-15 Natural fiber composite and automobile bonnet using the natural fiber composite

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Application Number Priority Date Filing Date Title
KR1020160017323A KR20170095637A (en) 2016-02-15 2016-02-15 Natural fiber composite and automobile bonnet using the natural fiber composite

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20240063354A (en) 2022-11-03 2024-05-10 주식회사 새한산업 Method for manufacturing of hood of vehicle body
KR20240070926A (en) 2022-11-15 2024-05-22 주식회사 새한산업 Method for hemming corner of vehicle body hood
KR20240127098A (en) 2023-02-15 2024-08-22 나사렛대학교 산학협력단 Eco-friendly material vehicles equipped with sensors to detect aging

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20240063354A (en) 2022-11-03 2024-05-10 주식회사 새한산업 Method for manufacturing of hood of vehicle body
KR20240070926A (en) 2022-11-15 2024-05-22 주식회사 새한산업 Method for hemming corner of vehicle body hood
KR20240127098A (en) 2023-02-15 2024-08-22 나사렛대학교 산학협력단 Eco-friendly material vehicles equipped with sensors to detect aging

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