CN118124236A - Impact-resistant composite material sliding plate and preparation method thereof - Google Patents

Impact-resistant composite material sliding plate and preparation method thereof Download PDF

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Publication number
CN118124236A
CN118124236A CN202410552846.XA CN202410552846A CN118124236A CN 118124236 A CN118124236 A CN 118124236A CN 202410552846 A CN202410552846 A CN 202410552846A CN 118124236 A CN118124236 A CN 118124236A
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layer
impact
resistant
fiber
carbon fiber
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CN118124236B (en
Inventor
张敏
王永伟
曹伟伟
朱安平
刘玉兰
孟祥梅
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Shandong Huate Tianwei New Material Co ltd
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Shandong Huate Tianwei New Material Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C17/00—Roller skates; Skate-boards
    • A63C17/01—Skateboards
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/04—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by at least one layer folded at the edge, e.g. over another layer ; characterised by at least one layer enveloping or enclosing a material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/08—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer the fibres or filaments of a layer being of different substances, e.g. conjugate fibres, mixture of different fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02—Composition of the impregnated, bonded or embedded layer
    • B32B2260/021—Fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/04—Impregnation, embedding, or binder material
    • B32B2260/046—Synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0261—Polyamide fibres
    • B32B2262/0269—Aromatic polyamide fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/101—Glass fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/106—Carbon fibres, e.g. graphite fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/558—Impact strength, toughness

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention discloses an impact-resistant composite material sliding plate and a preparation method thereof, and belongs to the technical field of sports equipment. The impact-resistant composite material sliding plate provided by the invention sequentially comprises an upper surface friction-resistant layer, an impact-resistant hybrid fiber composite layer and a lower surface fitting assembly layer from top to bottom; the core part of the impact-resistant hybrid fiber composite layer is provided with a high-strength carbon fiber layer; the upper surface friction-resistant layer is a polyurethane layer; the impact-resistant hybrid fiber composite layer is obtained by reinforcing thermosetting resin by aramid fiber or UHMWPE fiber hybrid glass fiber two-dimensional braid; the lower surface fitting assembly layer is made of high-strength carbon fiber reinforced thermosetting resin; the high-strength carbon fiber layer is obtained by reinforcing thermosetting resin by a high-strength carbon fiber-mixed high-modulus carbon fiber two-dimensional braid. The impact-resistant composite material sliding plate provided by the invention adopts a multi-layer composite material structure lamination combination, and has good comprehensive mechanical property and working comfort.

Description

Impact-resistant composite material sliding plate and preparation method thereof
Technical Field
The invention relates to the technical field of sports equipment, in particular to an impact-resistant composite material sliding plate and a preparation method thereof.
Background
The information disclosed in the background of the invention is only for enhancement of understanding of the general background of the invention and is not necessarily to be taken as an admission or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.
At present, the sport skateboard on the market is basically manufactured by laminating veneers made of wood materials or manufactured by bonding wood boards and plastic boards through adhesives, the manufacturing structure of the sport skateboard is relatively complex, the technological problems of glue opening, layering and the like of laminated materials are easy to occur in the manufacturing process, the finished sport skateboard is easy to break, low in impact strength and crack in the treading process in the using process, the using effect and sport feeling are seriously affected, and the service life is relatively short.
The composite material using the fiber as the reinforcing material is increasingly applied to the sports skateboard, and the mechanical advantage of the composite material is effectively exerted through reasonable structural design, so that the improvement of the comprehensive mechanical property and the service life of the sports skateboard product becomes a problem to be solved.
Disclosure of Invention
In view of the above, the invention provides an impact-resistant composite material sliding plate and a preparation method thereof, and the provided impact-resistant composite material sliding plate has the comprehensive performance advantages of light weight, high strength, strong impact resistance, strong deformation resistance and the like, and has good application prospect.
In a first aspect, the invention provides an impact-resistant composite material sliding plate, which sequentially comprises an upper surface friction-resistant layer, an impact-resistant hybrid fiber composite layer and a lower surface fitting assembly layer from top to bottom; the core part of the impact-resistant hybrid fiber composite layer is provided with a high-strength carbon fiber layer;
The upper surface friction-resistant layer is a polyurethane layer; the impact-resistant hybrid fiber composite layer is obtained by reinforcing thermosetting resin by aramid fiber or UHMWPE fiber hybrid glass fiber two-dimensional braid; the lower surface fitting assembly layer is made of high-strength carbon fiber reinforced thermosetting resin; the high-strength carbon fiber layer is obtained by reinforcing thermosetting resin by a high-strength carbon fiber-mixed high-modulus carbon fiber two-dimensional braid.
In a second aspect, the invention provides a method for preparing the impact-resistant composite sliding plate, which comprises the following steps:
Embedding a high-strength carbon fiber hybrid high-modulus carbon fiber two-dimensional braid of the prepreg thermosetting resin into the laminated middle position of an aramid fiber or UHMWPE fiber hybrid glass fiber two-dimensional braid of the prepreg thermosetting resin, and performing hot press molding to form an impact-resistant hybrid fiber composite layer with a high-strength carbon fiber layer arranged on the core;
And respectively attaching an upper surface friction-resistant layer and a lower surface fitting assembly layer on the upper surface and the lower surface of the impact-resistant hybrid fiber composite layer, airing, and performing secondary hot press molding to obtain the composite fiber.
Compared with the prior art, the invention has the following beneficial effects:
The impact-resistant composite material sliding plate adopts the laminated combination of the multi-layer composite material structure, the original laminated structure of the wooden sliding plate structure is reserved by the laminated structure, and the impact energy of the plate body in the movement process can be absorbed through the coordination of the interfaces among the multi-layer structure; meanwhile, the invention adopts a hybrid composite structure of a plurality of high-performance fibers of carbon fibers, aramid fibers, UHMWPE fibers and glass fibers, and exerts the comprehensive mechanical property advantages of high strength, high toughness, impact resistance and the like of the plurality of fibers through reasonable structural design, thereby improving the working comfort and the service life of the skateboard.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. It will be obvious to those skilled in the art that other figures may be obtained from these figures without the inventive effort.
FIG. 1 is a schematic view showing the overall structure of an impact-resistant composite skateboard according to embodiments 1 to 4 of the present invention;
FIG. 2 is a schematic view of the lower surface fitting assembly layer according to embodiments 1 to 4 of the present invention;
1, a high-strength carbon fiber layer; 2. an impact resistant hybrid fiber composite layer; 3. a friction-resistant layer on the upper surface; 4. a lower surface fitting assembly layer; 5. a metal embedded part.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
The invention provides an impact-resistant composite material sliding plate which sequentially comprises an upper surface friction-resistant layer, an impact-resistant hybrid fiber composite layer and a lower surface fitting assembly layer from top to bottom; the core part of the impact-resistant hybrid fiber composite layer is provided with a high-strength carbon fiber layer;
The upper surface friction-resistant layer is a polyurethane layer; the impact-resistant hybrid fiber composite layer is obtained by reinforcing thermosetting resin by aramid fiber or UHMWPE fiber hybrid glass fiber two-dimensional braid; the lower surface fitting assembly layer is obtained by reinforcing thermosetting resin by a high-strength carbon fiber two-dimensional braid; the high-strength carbon fiber layer is obtained by reinforcing thermosetting resin by a high-strength carbon fiber-mixed high-modulus carbon fiber two-dimensional braid.
In the present invention, the upper surface friction-resistant layer of the skateboard is in contact with the sole of the user and is directly subjected to a large pressure and impact force, so that it is required to have superior friction resistance. The upper surface friction-resistant layer is a polyurethane layer, and the polyurethane material has high density and high strength, can bear larger friction and pressure, and has smaller scratch and abrasion degree on the surface under heavy load; meanwhile, the polyurethane material has smooth surface and high hardness, can effectively resist abrasion caused by friction force, shearing force and other forces, and has long service life. In addition, the polyurethane material has better elasticity, can recover by itself, can keep good wear resistance even under larger abrasion or stronger impact force, and has higher comfort.
The impact-resistant hybrid fiber composite layer is positioned below the friction-resistant layer on the upper surface, and adopts various fibers, wherein aramid fibers or UHMWPE fibers (ultra-high molecular weight polyethylene fibers) belong to ductile fibers, have good toughness, and can effectively dissipate energy under the impact force of a larger load, so that the damage to the sliding plate is reduced; the glass fiber has high strength, can play a role in reinforcement, and can relieve the defect of brittleness of the glass fiber due to the fact that the glass fiber is mixed with the ductile fiber, so that the impact-resistant mixed fiber composite layer has high strength and high toughness.
The invention arranges a high-strength carbon fiber layer in the core of the impact-resistant hybrid fiber composite layer, and the reinforcing fiber is the hybrid fiber of the high-strength carbon fiber and the high-modulus carbon fiber; after the two carbon fibers with different properties are mixed, the deformation resistance of the skateboard is greatly enhanced; meanwhile, the layer is arranged on the core part of the sliding plate, so that the fatigue abrasion of the high-strength carbon fiber layer can be reduced while the functions of effective enhancement and deformation resistance are achieved, and the cost of sliding plate maintenance is reduced.
The metal embedded part is arranged on the lower surface accessory assembly layer so as to be connected with auxiliary parts such as a wheel bracket of the sliding plate.
In the invention, the polyurethane material of the polyurethane layer is selected from any one of MDI type polyurethane material, TDI type polyurethane material or NDI type polyurethane material. The MDI type polyurethane material is polyurethane material prepared by taking diphenylmethane diisocyanate as a raw material, the TDI type polyurethane material is polyurethane material prepared by taking toluene diisocyanate as a raw material, and the NDI type polyurethane material is polyurethane material prepared by taking naphthalene diisocyanate as a raw material.
In the invention, the mixing mass ratio of the aramid fiber or UHMWPE fiber to the glass fiber is (2-10): 1. The aramid fiber or UHMWPE fiber is used as main fiber in the impact-resistant hybrid fiber composite layer, and the glass fiber is used as auxiliary fiber, so that the impact resistance of the impact-resistant hybrid fiber composite layer is improved.
In the present invention, the two-dimensional braid structures of the impact-resistant hybrid fiber composite layer, the lower surface fitting assembly layer and the high-strength carbon fiber layer are each independently selected from any one of plain weave, twill weave or satin weave structures.
In the invention, the thermosetting resins of the impact-resistant hybrid fiber composite layer, the high-strength carbon fiber layer and the high-strength carbon fiber layer are respectively and independently selected from any one of epoxy resin, phenolic resin, unsaturated polyester resin or urea resin, and the resin content is 30-60wt%.
In the present invention, the high-strength carbon fibers of the lower surface fitting assembly layer and the high-strength carbon fiber layer are each independently selected from any one of T300, T700, T800, or T1000.
In the invention, the mixing mass ratio of the high-strength carbon fiber and the high-modulus carbon fiber in the high-strength carbon fiber layer is (1-3) 1; the high modulus carbon fiber of the high strength carbon fiber layer is selected from any one of M40, M55, M60, M40J, M J or M60J.
In the invention, the projection area of the high-strength carbon fiber layer in the direction parallel to the surface of the impact-resistant composite material sliding plate accounts for 80-95% of the projection area of the impact-resistant hybrid fiber composite layer in the direction parallel to the surface of the impact-resistant composite material sliding plate.
In the invention, the thickness of the upper surface friction-resistant layer is 0.2-1 mm, the thickness of the impact-resistant hybrid fiber composite layer is 3-8 mm, and the thickness of the lower surface fitting assembly layer is 0.5-1 mm; the thickness of the high-strength carbon fiber layer is 1-3 mm.
The invention also provides a preparation method of the impact-resistant composite material sliding plate, which comprises the following steps:
Embedding a high-strength carbon fiber hybrid high-modulus carbon fiber two-dimensional braid of the prepreg thermosetting resin into the laminated middle position of an aramid fiber or UHMWPE fiber hybrid glass fiber two-dimensional braid of the prepreg thermosetting resin, and performing hot press molding to form an impact-resistant hybrid fiber composite layer with a high-strength carbon fiber layer arranged on the core;
And respectively using an adhesive to attach an upper surface friction-resistant layer and a lower surface fitting assembly layer on the upper surface and the lower surface of the impact-resistant hybrid fiber composite layer, airing, and performing secondary hot press molding to obtain the composite fiber.
The hot-press molding process of the impact-resistant hybrid fiber composite layer with the high-strength carbon fiber layer arranged on the core is not particularly limited, the hot-press molding temperature is determined according to the selected thermosetting resin by adopting a method commonly used in the field, the hot-press molding time is 10-20 min, the pressure is 5-10 MPa, 2-4 exhaust points are arranged in the middle period of hot-press molding, and finally, the hot-press molding is carried out at the room temperature for mold opening and sampling.
The secondary hot press molding process is not particularly limited, and the secondary hot press molding process is carried out by adopting a method commonly used in the field, wherein the adhesive comprises any one of an epoxy resin adhesive, a urea resin adhesive, a phenolic resin adhesive and a melamine-formaldehyde adhesive. The hot press molding time is 5-10 min, the pressure is 2-5 MPa, the temperature is 60-150 ℃, the exhaust point is set for 1-2 times in the middle period of pressing, and finally, the die is opened at the room temperature for sampling after natural cooling.
The technical scheme of the invention is further described below by combining specific embodiments.
Example 1
The embodiment provides an impact-resistant composite material sliding plate, the overall structure of which is shown in figure 1, and comprises an upper surface friction-resistant layer 3, an impact-resistant hybrid fiber composite layer 2 and a lower surface fitting assembly layer 4 from top to bottom in sequence; the core part of the impact-resistant hybrid fiber composite layer 2 is provided with a high-strength carbon fiber layer 1; the metal embedded part 5 is arranged on the lower surface fitting assembly layer 4, as shown in fig. 2.
The upper surface friction-resistant layer 3 is made of MDI polyurethane material and has a thickness of 0.5mm.
The total thickness of the impact-resistant hybrid fiber composite layer 2 is 4mm, the high-strength carbon fiber layer 1 is coated by the impact-resistant hybrid fiber composite layer, aramid fiber and glass fiber are mixed according to the mass ratio of 3:1, two-dimensional twill weaving is carried out, and then the impact-resistant hybrid fiber composite layer is formed by compositing the aramid fiber and an unsaturated polyester resin matrix, wherein the resin content is 30%. The two-dimensional woven fabric is processed in a single-layer superposition mode, and the number of the layering layers is 30.
The thickness of the high-strength carbon fiber layer 1 is 1mm, and the projection area of the high-strength carbon fiber layer in the direction parallel to the skateboard surface is 85% of the projection area of the impact-resistant hybrid fiber composite layer 2 in the direction parallel to the skateboard surface. The layer is formed by mixing T700 high-strength carbon fibers and M55 high-modulus carbon fibers in a mass ratio of 1:1, performing two-dimensional twill weaving, and then compounding with an epoxy resin matrix, wherein the resin content is 40%. The two-dimensional woven fabric is processed in a single-layer superposition mode, and the number of the layering layers is 8.
The lower surface fitting assembly layer 4, which had a thickness of 0.5mm, was two-dimensionally plain-woven using T800 high-strength carbon fibers, and then compounded with a phenolic resin, the resin content being 40%.
Embedding the T700 high-strength carbon fiber mixed M55 high-modulus carbon fiber two-dimensional braid pre-impregnated with epoxy resin into the laminated middle position of the aramid fiber mixed glass fiber two-dimensional braid pre-impregnated with unsaturated polyester resin, hot-press molding, wherein the temperature is 80 ℃, the time is 10min, the pressure is 5MPa, 2 exhaust points are arranged in the middle period of hot-press molding, and finally, naturally cooling, opening a mold and sampling are carried out at room temperature, so that the impact-resistant mixed fiber composite layer 2 with the high-strength carbon fiber layer 1 arranged at the core is obtained. And respectively using epoxy resin adhesive to apply an upper surface friction-resistant layer 3 and a lower surface fitting assembly layer 4 on the upper surface and the lower surface of the impact-resistant hybrid fiber composite layer 2, naturally airing for 15min, performing secondary hot press molding at the temperature of 80 ℃ for 5min and the pressure of 3MPa, setting 1 exhaust point in the middle period of hot press molding, and finally naturally cooling at room temperature, and opening a mold for sampling to obtain the composite material.
And metal embedded parts 5 are arranged at the front-back symmetrical positions of the lower surface fitting assembly layer 4 and are used for connecting the wheel brackets.
Example 2
The embodiment provides an impact-resistant composite material sliding plate, the overall structure of which is shown in figure 1, and comprises an upper surface friction-resistant layer 3, an impact-resistant hybrid fiber composite layer 2 and a lower surface fitting assembly layer 4 from top to bottom in sequence; the core part of the impact-resistant hybrid fiber composite layer 2 is provided with a high-strength carbon fiber layer 1; the metal embedded part 5 is arranged on the lower surface fitting assembly layer 4, as shown in fig. 2.
The upper surface friction-resistant layer 3 is made of TDI polyurethane material, and has a thickness of 0.3mm.
The total thickness of the impact-resistant hybrid fiber composite layer 2 is 6mm, the high-strength carbon fiber layer 1 is coated by the impact-resistant hybrid fiber composite layer, the UHMWPE fiber and the glass fiber are mixed according to the mass ratio of 5:1, two-dimensional plain weave is carried out, and then the two-dimensional plain weave is compounded with an epoxy resin matrix, so that the resin content is 40%. The two-dimensional woven fabric is processed in a single-layer superposition mode, and the number of the layering layers is 28.
The thickness of the high-strength carbon fiber layer 1 is 1.5mm, and the projection area of the high-strength carbon fiber layer in the direction parallel to the skateboard surface is 90% of the projection area of the impact-resistant hybrid fiber composite layer 2 in the direction parallel to the skateboard surface. The layer is formed by mixing T800 high-strength carbon fibers and M60J high-modulus carbon fibers in a mass ratio of 2:1, weaving two-dimensional satin, and then compounding with a urea resin matrix, wherein the resin content is 50%. The two-dimensional woven fabric is processed in a single-layer superposition mode, and the number of the layering layers is 7.
The thickness of the lower surface fitting assembly layer 4 was 0.5mm, which was two-dimensional twill woven using T1000 high strength carbon fiber, and then compounded with epoxy resin with a resin content of 30%.
Embedding the T800 high-strength carbon fiber mixed M60J high-modulus carbon fiber two-dimensional braid of the pre-impregnated urea resin into the laminated middle position of the aramid fiber mixed glass fiber two-dimensional braid of the pre-impregnated epoxy resin, performing hot press molding at 130 ℃ for 12min under 8MPa, setting 3 exhaust points in the middle period of hot press molding, and finally naturally cooling at room temperature, opening a mold and sampling to obtain the impact-resistant mixed fiber composite layer 2 with the high-strength carbon fiber layer 1 arranged on the core. And respectively using epoxy resin adhesive to apply an upper surface friction-resistant layer 3 and a lower surface fitting assembly layer 4 on the upper surface and the lower surface of the impact-resistant hybrid fiber composite layer 2, naturally airing for 15min, performing secondary hot press molding at the temperature of 80 ℃ for 5min and the pressure of 3MPa, setting 1 exhaust point in the middle period of hot press molding, and finally naturally cooling at room temperature, and opening a mold for sampling to obtain the composite material.
And metal embedded parts 5 are arranged at the front-back symmetrical positions of the lower surface fitting assembly layer 4 and are used for connecting the wheel brackets.
Example 3
The embodiment provides an impact-resistant composite material sliding plate, the overall structure of which is shown in figure 1, and comprises an upper surface friction-resistant layer 3, an impact-resistant hybrid fiber composite layer 2 and a lower surface fitting assembly layer 4 from top to bottom in sequence; the core part of the impact-resistant hybrid fiber composite layer 2 is provided with a high-strength carbon fiber layer 1; the metal embedded part 5 is arranged on the lower surface fitting assembly layer 4, as shown in fig. 2.
The upper surface friction-resistant layer 3 is made of TDI polyurethane material, and has a thickness of 0.6mm.
The total thickness of the impact-resistant hybrid fiber composite layer 2 is 7mm, the high-strength carbon fiber layer 1 is coated by the impact-resistant hybrid fiber composite layer, the UHMWPE fibers and the glass fibers are mixed according to the mass ratio of 7:1, two-dimensional plain weave is carried out, and then the two-dimensional plain weave is compounded with a phenolic resin matrix, so that the resin content is 40%. The two-dimensional woven fabric is processed in a single-layer superposition mode, and the number of the layering layers is 30.
The thickness of the high-strength carbon fiber layer 1 is 2mm, and the projection area of the high-strength carbon fiber layer in the direction parallel to the skateboard surface is 95% of the projection area of the impact-resistant hybrid fiber composite layer 2 in the direction parallel to the skateboard surface. The layer is formed by mixing T300 high-strength carbon fibers and M55J high-modulus carbon fibers in a mass ratio of 3:1, carrying out two-dimensional plain weave, and then compounding with a urea resin matrix, wherein the resin content is 40%. The two-dimensional woven fabric is processed in a single-layer superposition mode, and the number of the layering layers is 9.
The thickness of the lower surface fitting assembly layer 4 was 0.8mm, which was two-dimensional twill woven using T800 high strength carbon fiber, and then compounded with epoxy resin with a resin content of 30%.
Embedding the T300 high-strength carbon fiber hybrid M55J high-modulus carbon fiber two-dimensional braid of the pre-impregnated urea resin into the laminated middle position of the aramid fiber hybrid glass fiber two-dimensional braid of the pre-impregnated phenolic resin, performing hot press molding at the temperature of 140 ℃ for 12min under the pressure of 8MPa, setting 3 exhaust points in the middle period of hot press molding, and finally naturally cooling at room temperature, opening a mold and sampling to obtain the impact-resistant hybrid fiber composite layer 2 with the high-strength carbon fiber layer 1 arranged on the core. And respectively applying an upper surface friction-resistant layer 3 and a lower surface accessory assembly layer 4 on the upper surface and the lower surface of the impact-resistant hybrid fiber composite layer 2 by using phenolic resin adhesives, naturally airing for 20min, performing secondary hot press molding at 130 ℃ for 10min under 5MPa, setting 1 exhaust point in the middle period of hot press molding, and finally naturally cooling, opening a mold and sampling at room temperature to obtain the composite material.
And metal embedded parts 5 are arranged at the front-back symmetrical positions of the lower surface fitting assembly layer 4 and are used for connecting the wheel brackets.
Example 4
The embodiment provides an impact-resistant composite material sliding plate, the overall structure of which is shown in figure 1, and comprises an upper surface friction-resistant layer 3, an impact-resistant hybrid fiber composite layer 2 and a lower surface fitting assembly layer 4 from top to bottom in sequence; the core part of the impact-resistant hybrid fiber composite layer 2 is provided with a high-strength carbon fiber layer 1; the metal embedded part 5 is arranged on the lower surface fitting assembly layer 4, as shown in fig. 2.
The upper surface friction-resistant layer 3 is made of NDI polyurethane material, and has a thickness of 0.3mm.
The total thickness of the impact-resistant hybrid fiber composite layer 2 is 8mm, the high-strength carbon fiber layer 1 is coated by the impact-resistant hybrid fiber composite layer, the UHMWPE fiber and the glass fiber are mixed according to the mass ratio of 5:1, two-dimensional plain weave is carried out, and then the two-dimensional plain weave is compounded with an epoxy resin matrix, so that the resin content is 50%. The two-dimensional woven fabric is processed in a single-layer superposition mode, and the number of the layering layers is 40.
The thickness of the high-strength carbon fiber layer 1 is 2mm, and the projection area of the high-strength carbon fiber layer in the direction parallel to the skateboard surface is 80% of the projection area of the impact-resistant hybrid fiber composite layer 2 in the direction parallel to the skateboard surface. The layer is formed by mixing T800 high-strength carbon fibers and M40 high-modulus carbon fibers in a mass ratio of 1:1, performing two-dimensional twill weaving, and then compositing the two-dimensional twill weaving with a urea resin matrix, wherein the resin content is 50%. The two-dimensional woven fabric is processed in a single-layer superposition mode, and the number of the layering layers is 12.
The thickness of the lower surface fitting assembly layer 4 was 0.7mm, which was two-dimensional twill woven using T1000 high strength carbon fiber, and then compounded with epoxy resin with a resin content of 30%.
Embedding the T700 high-strength carbon fiber mixed M55 high-modulus carbon fiber two-dimensional braid pre-impregnated with epoxy resin into the laminated middle position of the aramid fiber mixed glass fiber two-dimensional braid pre-impregnated with urea resin, performing hot press molding at 130 ℃ for 15min under 10MPa, setting 3 exhaust points in the middle period of hot press molding, and finally naturally cooling at room temperature, opening a mold and sampling to obtain the impact-resistant mixed fiber composite layer 2 with the high-strength carbon fiber layer 1 arranged on the core. And respectively using urea resin adhesive to apply an upper surface friction-resistant layer 3 and a lower surface fitting assembly layer 4 on the upper surface and the lower surface of the impact-resistant hybrid fiber composite layer 2, naturally airing for 20min, performing secondary hot press molding at 130 ℃ for 8min under 5MPa, setting 2 exhaust points in the middle period of hot press molding, and finally naturally cooling, opening a mold and sampling at room temperature to obtain the composite material.
And metal embedded parts 5 are arranged at the front-back symmetrical positions of the lower surface fitting assembly layer 4 and are used for connecting the wheel brackets.
Test examples
The impact-resistant composite skateboards of examples 1-4 were tested for performance, wherein the shear strength was tested with reference to GB/T20241-2006 laminated veneer lumber, the flexural strength was tested with reference to GB/T3356-2014 bending property test method for oriented fiber reinforced polymer matrix composite, the tensile strength was tested with reference to GB/T1040-2006 Plastic tensile property test method, and the impact toughness was tested with reference to the three-point bending impact test protocol in ASTM D143-2014. The test results are shown in Table 1. Compared with the commercially available seven-layer maple sport skateboard, the impact-resistant composite skateboard provided by the embodiment has the advantages that the performance is improved by about 30-50%, and the impact-resistant composite skateboard has good comprehensive mechanical properties.
Table 1 results of measuring the properties of impact-resistant composite skateboards of examples 1-4
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The impact-resistant composite material sliding plate is characterized by sequentially comprising an upper surface friction-resistant layer, an impact-resistant hybrid fiber composite layer and a lower surface fitting assembly layer from top to bottom; the core part of the impact-resistant hybrid fiber composite layer is provided with a high-strength carbon fiber layer;
The upper surface friction-resistant layer is a polyurethane layer; the impact-resistant hybrid fiber composite layer is obtained by reinforcing thermosetting resin by aramid fiber or UHMWPE fiber hybrid glass fiber two-dimensional braid; the lower surface fitting assembly layer is obtained by reinforcing thermosetting resin by a high-strength carbon fiber two-dimensional braid; the high-strength carbon fiber layer is obtained by reinforcing thermosetting resin by a high-strength carbon fiber-mixed high-modulus carbon fiber two-dimensional braid.
2. The impact resistant composite skateboard of claim 1, wherein the polyurethane material of the polyurethane layer is selected from any one of MDI type polyurethane material, TDI type polyurethane material, or NDI type polyurethane material.
3. The impact-resistant composite skateboard according to claim 1, wherein the hybrid mass ratio of the aramid fiber or UHMWPE fiber to the glass fiber is (2-10): 1.
4. The impact resistant composite skateboard of claim 1, wherein the two-dimensional braid structures of the impact resistant hybrid fiber composite layer, the lower surface fitting assembly layer and the high strength carbon fiber layer are each independently selected from any one of plain, twill or satin braid structures.
5. The impact-resistant composite skateboard of claim 1, wherein the impact-resistant hybrid fiber composite layer, the high-strength carbon fiber layer and the thermosetting resin of the high-strength carbon fiber layer are each independently selected from any one of epoxy resin, phenolic resin, unsaturated polyester resin or urea resin, and the resin content is 30-60 wt%.
6. The impact resistant composite skateboard of claim 1, wherein the high strength carbon fibers of the lower surface fitting assembly layer and the high strength carbon fiber layer are each independently selected from any one of T300, T700, T800, or T1000.
7. The impact-resistant composite skateboard according to claim 1, wherein the mixing mass ratio of the high-strength carbon fiber to the high-modulus carbon fiber in the high-strength carbon fiber layer is (1-3) 1; the high modulus carbon fiber of the high strength carbon fiber layer is selected from any one of M40, M55, M60, M40J, M J or M60J.
8. The impact-resistant composite skateboard of claim 1, wherein the projected area of the high strength carbon fiber layer in a direction parallel to the surface of the impact-resistant composite skateboard is 80-95% of the projected area of the impact-resistant hybrid fiber composite layer in a direction parallel to the surface of the impact-resistant composite skateboard.
9. The impact-resistant composite skateboard of claim 1, wherein the thickness of the upper surface friction-resistant layer is 0.2-1 mm, the thickness of the impact-resistant hybrid fiber composite layer is 3-8 mm, and the thickness of the lower surface fitting assembly layer is 0.5-1 mm; the thickness of the high-strength carbon fiber layer is 1-3 mm.
10. The method for manufacturing the impact-resistant composite skateboard according to any one of claims 1 to 9, comprising the steps of:
Embedding a high-strength carbon fiber hybrid high-modulus carbon fiber two-dimensional braid of the prepreg thermosetting resin into the laminated middle position of an aramid fiber or UHMWPE fiber hybrid glass fiber two-dimensional braid of the prepreg thermosetting resin, and performing hot press molding to form an impact-resistant hybrid fiber composite layer with a high-strength carbon fiber layer arranged on the core;
And respectively attaching an upper surface friction-resistant layer and a lower surface fitting assembly layer on the upper surface and the lower surface of the impact-resistant hybrid fiber composite layer, airing, and performing secondary hot press molding to obtain the composite fiber.
CN202410552846.XA 2024-05-07 2024-05-07 Impact-resistant composite material sliding plate and preparation method thereof Active CN118124236B (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204411664U (en) * 2014-12-05 2015-06-24 江门市德山复合材料科技有限公司 A kind of safety movement slide plate
CN108859304A (en) * 2018-07-20 2018-11-23 山东大学 A kind of pultrusion composite board
CN109720061A (en) * 2017-10-31 2019-05-07 上海杰事杰新材料(集团)股份有限公司 A kind of high-strength light continuous fiber reinforcement skis and preparation method thereof
CN115674806A (en) * 2022-11-09 2023-02-03 华夏星辰(苏州)新材料科技有限公司 Composite impact-resistant pallet fork and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204411664U (en) * 2014-12-05 2015-06-24 江门市德山复合材料科技有限公司 A kind of safety movement slide plate
CN109720061A (en) * 2017-10-31 2019-05-07 上海杰事杰新材料(集团)股份有限公司 A kind of high-strength light continuous fiber reinforcement skis and preparation method thereof
CN108859304A (en) * 2018-07-20 2018-11-23 山东大学 A kind of pultrusion composite board
CN115674806A (en) * 2022-11-09 2023-02-03 华夏星辰(苏州)新材料科技有限公司 Composite impact-resistant pallet fork and preparation method thereof

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