CN210458024U - Epoxy flame-retardant prepreg cloth - Google Patents
Epoxy flame-retardant prepreg cloth Download PDFInfo
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- CN210458024U CN210458024U CN201920970471.3U CN201920970471U CN210458024U CN 210458024 U CN210458024 U CN 210458024U CN 201920970471 U CN201920970471 U CN 201920970471U CN 210458024 U CN210458024 U CN 210458024U
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Abstract
The utility model discloses an epoxy flame-retardant prepreg cloth, which comprises five satin fiberglass cloth composite material layers and a flame-retardant epoxy adhesive material layer, wherein the two side surfaces of the five satin fiberglass cloth composite material layers are all compositely connected with the corresponding flame-retardant epoxy adhesive material layers; and stainless steel metal mesh layers are embedded in the flame-retardant epoxy glue material layers. The thickness of the stainless steel metal mesh layer is 0.1 mm. And a plurality of semicircular bulges are punched on the stainless steel metal mesh layer, and the bulges on two sides of the five-satin glass fiber cloth composite material layer are convex outwards respectively. The method is simple, low in difficulty and low in cost, and the heat-resistant and flame-retardant epoxy resin prepreg can be produced.
Description
Technical Field
The utility model relates to a preimpregnation material technical field specifically is an epoxy fire-retardant preimpregnation material cloth.
Background
The prepreg is a composition prepared by impregnating continuous fibers or fabrics with a resin matrix under strictly controlled conditions to prepare the resin matrix and a reinforcement, and is an intermediate material for manufacturing a composite material; the prepreg is classified according to physical state and is divided into unidirectional prepreg, unidirectional fabric prepreg and fabric prepreg; the prepreg is divided into thermosetting resin prepreg and thermoplastic resin prepreg according to different resin matrixes; according to different reinforcing materials, the prepreg is divided into carbon fiber (fabric) prepreg, glass fiber (fabric) prepreg and aramid fiber (fabric) prepreg; according to the difference of the fiber length, the prepreg is divided into short fiber (4176mm or less) prepreg, long fiber (1217mm) prepreg and continuous fiber prepreg; according to different curing temperatures, the prepreg can be divided into a medium-temperature curing (120 ℃) prepreg, a high-temperature curing (180 ℃) prepreg, a prepreg with the curing temperature exceeding 200 ℃ and the like.
Epoxy prepreg is widely applied to vehicle structures, but the prepreg resin non-woven fabric of the imported heat-resistant epoxy resin non-woven fabric used at present has high cost, low strength and easy breakage in the actual use process.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fire-retardant prepreg cloth of epoxy to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
an epoxy flame-retardant prepreg cloth comprises five satin glass fiber cloth composite material layers and flame-retardant epoxy glue material layers, wherein the two side surfaces of the five satin glass fiber cloth composite material layers are compositely connected with the corresponding flame-retardant epoxy glue material layers; stainless steel metal net layers are embedded in the flame-retardant epoxy glue material layers; the edge of the five-satin fiberglass cloth composite material layer is bent into a wavy shape, and the wavy outer side edge is vertically upward or vertically downward.
As a further aspect of the present invention: the thickness of the stainless steel metal mesh layer is 0.1 mm.
As a further aspect of the present invention: and a plurality of semicircular bulges are punched on the stainless steel metal mesh layer, and the bulges on two sides of the five-satin glass fiber cloth composite material layer are convex outwards respectively.
As a further aspect of the present invention: the thickness of the flame-retardant epoxy prepreg is 0.7-0.8 mm.
As a further aspect of the present invention: the width of the flame-retardant epoxy prepreg is 5-1300 mm.
Compared with the prior art, the beneficial effects of the utility model are that: the method is simple, low in difficulty and low in cost, and the heat-resistant and flame-retardant epoxy resin prepreg can be produced.
Drawings
Fig. 1 is a schematic structural view of an epoxy flame-retardant prepreg cloth.
Fig. 2 is a schematic structural diagram of a stainless steel metal mesh layer.
Fig. 3 is an enlarged schematic view of a portion a in fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, in an embodiment of the present invention, an epoxy flame-retardant prepreg fabric includes five satin fiberglass cloth composite material layers 1 and a flame-retardant epoxy adhesive material layer 2, wherein the flame-retardant epoxy adhesive material layers 2 are respectively connected to two side surfaces of the five satin fiberglass cloth composite material layers 1.
The thickness of the flame-retardant epoxy prepreg is 0.7-0.8 mm, and the width of the flame-retardant epoxy prepreg is 5-1300 mm.
All inlayed stainless steel metal mesh layer 3 in the fire-retardant epoxy glue bed 2, 0.1mm is selected to the thickness of stainless steel metal mesh layer 3, and stainless steel metal mesh layer 3 goes up the semicircular arch 4 of the forming a plurality of, the arch 4 of five satin weave glass fiber cloth combined material layer 1 both sides is evagination respectively, increase product toughness and tensile strength through stainless steel metal mesh layer 3, stainless steel metal mesh layer 3 can guarantee that fire-retardant epoxy glue bed 2's distribution is even in addition, because inside inlayed stainless steel metal mesh is like filling, can improve the fire-retardant epoxy of liquid and scribble time tension.
The edge of the five-satin glass fiber cloth composite material layer 1 is bent into a wavy shape 6, and the outer side edge of the wavy shape 6 (also the outer side edge of the five-satin glass fiber cloth composite material layer 1) is vertically upward or vertically downward, so that the edge of the epoxy flame-retardant prepreg cloth is protected.
The manufacturing process of the epoxy flame-retardant prepreg cloth comprises the following specific process steps:
(1) preheating the component A of the epoxy resin in an oven to 110 ℃ for melting;
(2) mixing the component A of the epoxy resin with the component B of the epoxy resin, heating to 120 ℃, stirring, revolving for 20 frequencies, rotating for 10 frequencies, mixing and heating to generate a mixer;
(3) adding the fire retardant, titanium dioxide and white carbon black into the epoxy resin mixed in the step (2), fully stirring and cooling, wherein the stirring time is 1 hour, and revolution is carried out at 25 frequencies, and rotation is carried out at 15 frequencies;
(4) when the mixed materials are cooled and uniformly stirred, the temperature is reduced to 70 +/-2 ℃, a premix coupling agent, dicyandiamide and urea are added to continue stirring for 15 minutes, revolution is carried out at 30 frequency, and rotation is carried out at 20 frequency;
(5) the production method comprises the following steps of adjusting a gluing machine set, producing epoxy flame-retardant prepreg by adopting the gluing machine set, respectively coating a layer of flame-retardant epoxy glue material on each of two sides of a five-satin glass fiber cloth composite material layer 1 during actual coating, placing a stainless steel metal mesh layer 3, and then coating a layer of flame-retardant epoxy glue material, thereby sequentially realizing structural compounding of the two sides;
(6) and (4) inspecting the produced epoxy flame-retardant prepreg, and labeling the epoxy flame-retardant prepreg qualified in inspection.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The epoxy flame-retardant prepreg cloth is characterized by comprising five satin glass fiber cloth composite material layers and flame-retardant epoxy glue material layers, wherein the two side surfaces of the five satin glass fiber cloth composite material layers are compositely connected with the corresponding flame-retardant epoxy glue material layers; stainless steel metal net layers are embedded in the flame-retardant epoxy glue material layers; the edge of the five-satin fiberglass cloth composite material layer is bent into a wavy shape, and the wavy outer side edge is vertically upward or vertically downward.
2. The epoxy flame retardant prepreg cloth of claim 1, wherein the thickness of the stainless steel metal mesh layer is 0.1 mm.
3. The epoxy flame-retardant prepreg cloth according to claim 1 or 2, wherein a plurality of semicircular bulges are formed by punching on the stainless steel metal mesh layer, and the bulges on two sides of the five-satin fiberglass cloth composite material layer are respectively outwards protruded.
4. The epoxy flame retardant prepreg cloth according to claim 1, wherein the flame retardant epoxy prepreg has a thickness of 0.7mm to 0.8 mm.
5. The epoxy flame retardant prepreg cloth according to claim 1, wherein the flame retardant epoxy prepreg has a width of 5mm to 1300 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920970471.3U CN210458024U (en) | 2019-06-26 | 2019-06-26 | Epoxy flame-retardant prepreg cloth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920970471.3U CN210458024U (en) | 2019-06-26 | 2019-06-26 | Epoxy flame-retardant prepreg cloth |
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| Publication Number | Publication Date |
|---|---|
| CN210458024U true CN210458024U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920970471.3U Active CN210458024U (en) | 2019-06-26 | 2019-06-26 | Epoxy flame-retardant prepreg cloth |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2614600A (en) * | 2022-04-11 | 2023-07-12 | Prf Composite Holdings Ltd | Reinforcement material for composite laminate |
| GB2622323A (en) * | 2022-04-11 | 2024-03-13 | Prf Composite Holdings Ltd | Reinforcement Material For Composite Laminate |
-
2019
- 2019-06-26 CN CN201920970471.3U patent/CN210458024U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2614600A (en) * | 2022-04-11 | 2023-07-12 | Prf Composite Holdings Ltd | Reinforcement material for composite laminate |
| GB2614600B (en) * | 2022-04-11 | 2023-12-20 | Prf Composite Holdings Ltd | Reinforcement material for composite laminate |
| GB2622323A (en) * | 2022-04-11 | 2024-03-13 | Prf Composite Holdings Ltd | Reinforcement Material For Composite Laminate |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210712 Address after: 438000 No.17, Hongan Avenue, Xinxing Park, Hongan Economic Development Zone, Huanggang City, Hubei Province Patentee after: Hubei Hangfei honeycomb composite material Co.,Ltd. Address before: 438400 new industrial park, miersi Town, Hong'an County, Huanggang City, Hubei Province Patentee before: HUBEI HANGYU NEW MATERIALS Co.,Ltd. |
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| TR01 | Transfer of patent right |