CN2868670Y

CN2868670Y - Fiber composite material product structure

Info

Publication number: CN2868670Y
Application number: CN 200520120746
Authority: CN
Inventors: 沈文振
Original assignee: XIAMEN XINKAI COMPOSITE MATERIALS SCIENCE AND TECHNOLOGY CO LTD
Current assignee: XIAMEN XINKAI COMPOSITE MATERIALS SCIENCE AND TECHNOLOGY CO LTD
Priority date: 2005-12-14
Filing date: 2005-12-14
Publication date: 2007-02-14
Anticipated expiration: 2015-12-14

Abstract

The utility model discloses a fiber composite material made the structure of product comprising the fiber of inner layer composite material and one layer of thermoplastic elastomer covering on the fiber composite material. The thermoplastic elastomer enjoys certain elasticity and tenacity and therefore can prevent users from being hurt by the phenomena which always accompany the rupture of products as a result of an external force, such as outward piercing and of flying of fiber and thereby enhance the tenacity performance of the manufactured products made by composite materials.

Description

The fibrous composite article construction

Technical field

The utility model relates to a kind of fibrous composite article construction.

Background technology

Fibrous composite---as carbon fiber, glass fiber compound material etc., because it is in light weight and intensity is high, therefore be widely used in the various goods, as: tennis, badminton racquet, hockey stick, Baseball and Softball mostly adopt fibrous composite with bat and cycle frame or the like.Said products will apply a coating at its outer surface after with the fibrous composite moulding usually, as polishes etc., with the protection fibrous composite and increase aesthetic property.

Yet though fibrous composite intensity height, not fragile, toughness is relatively poor, with its goods of making in use once overexert, and making its outer polishes break, section or dehiscence part have promptly that fiber thorn stings out or the fiber fragment disperses, thereby damage for user or surrounding population.

At above-mentioned deficiency, the mode that the dealer generally adopts is parcel one deck carbon cloth, a coated with gold wet goods coating (shown in Fig. 1, Figure 1A) outside carbon cloth again outside the fibrous composite of moulding.Carbon cloth is the cloth shape structure that forms with carbon fiber knit, because its count is bigger, as our the usual cloth that uses, has certain toughness, therefore behind said products parcel one deck carbon cloth, improved toughness reaching under the prerequisite of original intensity,, also be difficult for forming fiber thorn or fragment even polishes splits.But there are some defectives also in the goods of this kind structure, and letter is told as follows:

1, manufacturing cost height;

Fiber thorn stings out or the fiber fragment disperses if 2 fractures, its section or dehiscence part also have, and only the incidence when not wrapping up carbon cloth is low;

3, raw material such as carbon cloth are in short supply, and this has also increased cost;

4, because polishes is the transparent body, outside carbon cloth directly is revealed in, and the pattern modelling of carbon cloth has certain limitation, makes outward appearance can not satisfy special requirement.

In addition, some dealer is twined the various filament of some variations outside the fibrous composite of moulding, and with the increase aesthetic property, but filament does not have any protective effect to fibrous composite.

The utility model content

The purpose of this utility model is to provide a kind of fibrous composite article construction, and it not only can improve the toughness of goods, and preventing that fiber thorn from stinging out or the fiber fragment disperses, and cost easy to manufacture is low.

For achieving the above object, technical solution of the present utility model is: a kind of fibrous composite article construction, it comprises the inner fiber composite, is coated with one deck thermoplastic elastomer outside fibrous composite.

This thermoplastic elastomer can be common plastics, TPU layer (particle or film), TPV (Santoprenen rubber), PET shrink film or gel coat (Gel-coat).

After adopting such scheme, because the utility model has coated one deck thermoplastic elastomer outside fibrous composite, this thermoplastic elastomer has certain elasticity and toughness, can avoid product to be subjected to external impacts produces when rupturing, the injury that phenomenons such as the fiber of often following stings out, disperses may cause the user, and promote the tough sex expression of composite product whereby.In addition, the method that coats thermoplastic elastomer in industry is very ripe mode, so low cost of manufacture, and drawing materials of thermoplastic elastomer also is easy to conveniently.Moreover the appearance and modeling of thermoplastic elastomer is very easy to change, and as the film that adopts different pattern, the melting plastics of different colours, can reach the purpose that changes outward appearance easily, thereby can satisfy various demands.

Description of drawings

Fig. 1 commonly uses fibrous composite article construction schematic diagram;

Figure 1A is the partial enlarged drawing of Fig. 1;

Fig. 2 is a structural representation of the present utility model;

Fig. 2 A is the partial enlarged drawing of Fig. 2;

Fig. 3 is the schematic diagram of the utility model method of forming one;

Fig. 4 is the schematic diagram of the utility model method of forming three;

Fig. 5 is the schematic diagram of the utility model method of forming four;

Fig. 6 is the schematic diagram of the utility model method of forming five.

The specific embodiment

Shown in Fig. 2, Fig. 2 A, fibrous composite goods 1 described in the utility model are made up of inner fiber composite 11 and outer thermoplastic elastomer 12.This fibrous composite 11 is same as the prior art, can be resin---as epoxy resin, phenolic resins etc., also can be carbon fiber---as UD, 2D woven etc., also can be glass fibre.Thermoplastic elastomer 12 then can be common plastics, TPU layer (particle or film), TPV (Santoprenenrubber), PET shrink film or gel coat (Gel-coat) or the like.

Because described thermoplastic elastomer 12 has certain elasticity and toughness, after it is coated on the outside of fibrous composite goods, can avoid product to be subjected to external impacts produces when rupturing, the injury that phenomenons such as the fiber of often following stings out, disperses may cause the user, and promote the tough sex expression of composite product whereby.

In addition, moulding of the present utility model is easy, and cost is low.Several forming methods commonly used are told in following letter:

One, pultrusion method (protrusion, as shown in Figure 3): will send in the mould 2 with melting plastics with fibrous composite 11 semi-finished product of forming, after cooling is sent, promptly outside fibrous composite 11, evenly coat one deck thermoplastic elastomer 12---as the TPU clad.This kind forming method is suitable for the product of cross sectional shape unanimity, as hockey stick and composite pipe etc.

Two, heat is melted shrink film coating method: be about to heat and melt shrink film---and as TPU film, PET shrink film, melt shrink pack through heat and be overlying on molded good fibrous composite 11 outer surfaces, promptly be shaped to thermoplastic elastomer 12.The method is prone to the not tight phenomenon of coating for the irregular goods of cross sectional shape, therefore is suitable for the product of cross sectional shape unanimity.

Three, infusion process (dip method, as shown in Figure 4): will put into the melting plastics with fibrous composite 11 semi-finished product of forming---as TPU melting liquid, when semi-finished product take out, after the melting plastic cool, i.e. coating one deck thermoplastic elastomer 12 at it outside.The method requires the melting plastics that good flowability is arranged under normal pressure.And the method is fit to product cross section change of shape the greater, as products such as Baseball and Softball bat, bicycle front forks.

Four, film heat is melted coating method (as shown in Figure 5): the thermoplastic elastomer 12 that is about to the film shape is coated on outside the fibrous composite 11, and heat is melted moulding again.Can adopt following manner:

(1) the fibrous composite hot briquetting simultaneously of film and not moulding;

(2) the outer heat of going again of fibrous composite 11 that film are attached at forming are melted coating;

(3) select for use suitable Gel-coat to be applied in the mould, put into the fibrous composite moulding together of not moulding again.

Five, penetrate to coat (as shown in Figure 6): be about to also not the fibrous composite of forming and put into mould, again with the thermoplastic elastomer of melting state in the mode of ejection formation with the fibrous composite moulding.The method is suitable for the higher plastic grain of viscosity after the melting---as Santoprenen rubber particle, and needs can evenly be coated on the product outside by the pressure of Jet forming machine.

Above-mentioned forming method all is the methods that this series products adopts usually of making in the industry; and the utility model is not limited to said method; as long as outside with the goods of fibrous composite moulding, coat one deck thermoplastic elastomer; and the no matter formula moulding with where all should fall within the protection domain of the present utility model.

Claims

1, a kind of fibrous composite article construction, it comprises the inner fiber composite, it is characterized in that: be coated with one deck thermoplastic elastomer outside fibrous composite.

2, fibrous composite article construction as claimed in claim 1 is characterized in that: this thermoplastic elastomer is a common plastics.

3, fibrous composite article construction as claimed in claim 1 is characterized in that: this thermoplastic elastomer is the TPU layer.

4, fibrous composite article construction as claimed in claim 1 is characterized in that: this thermoplastic elastomer is a TPV.

5, fibrous composite article construction as claimed in claim 1 is characterized in that: this thermoplastic elastomer is the PET shrink film.

6, fibrous composite article construction as claimed in claim 1 is characterized in that: this thermoplastic elastomer is a gel coat.