阅读说明：本技术 一种利用复合材料制备的檐面 (Cornice prepared from composite material ) 是由 马明博 臧飞贵 李勋成 王启功 公茂利 柳佳冀 杨开保 于 2020-11-03 设计创作，主要内容包括：本发明提供一种檐面,包括长条面板、檐面安装底板,以及檐面安装架,所述长条面板前端具有第一凹槽,用于安装灯带,所述长条面板具有第二凹槽,用于固定第一安装铝型材,所述檐面安装底板上固定第二安装铝型材；通过所述第一安装铝型材与所述第二安装铝型材配合安装,固定所述长条面板与所述檐面安装底板,所述安装底板与所述檐面安装架固定；所述长条面板采用复合材料制备。发明提供的檐面,具有弯曲强度、冲击强度、耐高温,以及檐面表面的高光亮度和颜色多样性的有益效果,檐面制备过程中喷漆或在与其它产品粘结复合时,免打磨,只需使用除尘布,清楚产品表面的灰尘等杂质,就可以直接喷漆或粘结复合。(The invention provides a cornice, which comprises a long strip panel, a cornice mounting base plate and a cornice mounting frame, wherein the front end of the long strip panel is provided with a first groove for mounting a lamp strip, the long strip panel is provided with a second groove for fixing a first mounting aluminum section bar, and a second mounting aluminum section bar is fixed on the cornice mounting base plate; the first mounting aluminum profile and the second mounting aluminum profile are mounted in a matched mode, the long panel and the eaves surface mounting base plate are fixed, and the mounting base plate and the eaves surface mounting frame are fixed; the strip panel is made of composite materials. The eave surface provided by the invention has the beneficial effects of bending strength, impact strength, high temperature resistance, high brightness and color diversity of the surface of the eave surface, and the eave surface is free from polishing when being painted or bonded and compounded with other products in the preparation process, and can be directly painted or bonded and compounded only by using dust removal cloth to clear impurities such as dust and the like on the surface of the product.)

1. An eave surface prepared by composite materials is characterized in that the eave surface comprises a strip panel, an eave surface mounting bottom plate and an eave surface mounting rack,

the front end of the long panel is provided with a first groove for mounting the lamp strip, the long panel is provided with a second groove for fixing a first mounting aluminum profile, and a second mounting aluminum profile is fixed on the eave surface mounting bottom plate;

the first mounting aluminum profile and the second mounting aluminum profile are mounted in a matched mode, the long panel and the eaves surface mounting base plate are fixed, and the mounting base plate and the eaves surface mounting frame are fixed;

wherein the strip panel is prepared from a composite material, the composite material comprises mixed resin, a mixed auxiliary agent, mixed filler, a thickening agent, a curing agent and a reinforcing material,

calculating according to parts by mass: 350 parts of mixed resin, 432 parts of mixed auxiliary agent, 650 parts of mixed filler, 8 parts of thickening agent, 5 parts of curing agent and 360 parts of reinforcing material, wherein,

the mixed resin is a mixture calculated according to the following parts by mass: 200 parts of unsaturated polyester resin, 90 parts of modified methyl methacrylate and 50 parts of polystyrene;

the mixing auxiliary agent is a mixture calculated according to the following parts by mass: 6.5 parts of solvent-free wetting dispersant, 10 parts of wetting dispersant, 15 parts of release agent, 0.5 part of p-benzoquinone and 400 parts of ultraviolet absorbent;

the mixed filler is a mixture calculated according to the following parts by mass: 400 parts of aluminum hydroxide and 250 parts of calcium carbonate.

2. An eave face according to claim 1, wherein the first mounting aluminium profile is mounted in cooperation with the second mounting aluminium profile by bolting or welding.

3. The eave surface of claim 1, wherein the first groove is covered with a lamp cover, and the lamp cover is fastened on the first groove through an upper lamp aluminum section bar and a lower lamp aluminum section bar.

4. An eave face as claimed in claim 1, wherein the elongate panel is longitudinally spaced apart from the back side by a plurality of reinforcing ribs.

5. An eave face according to claim 1, wherein the composite material further comprises 30 parts by mass of a color paste.

6. The eave face of claim 1, wherein the curing agent is t-butyl peroxybenzoate, the thickening agent is activated magnesium oxide, and the reinforcing material is fiberglass.

7. A cornice according to claim 1 or 5 or 6, wherein the composite material is prepared according to the following process steps:

step one, preparing a resin paste system:

according to the mass parts, 200 parts of unsaturated polyester resin, 90 parts of modified methyl methacrylate and 50 parts of polystyrene are put into a mixing tank and are fully mixed by a high-speed dispersion machine at a stirring speed of 2000-3000r/min for 7-12 min to form mixed resin;

according to the mass portion, 6.5 portions of solvent-free wetting dispersant, 10 portions of wetting dispersant, 15 portions of release agent, 0.5 portion of p-benzoquinone, 400 portions of ultraviolet absorbent mixing auxiliary agent and 5 portions of curing agent are put into a mixing tank, and are stirred for 3min at a stirring speed of 1500-2000r/min by a high-speed disperser, so that the mixing auxiliary agent and the curing agent are uniformly dispersed in the mixed resin;

according to the mass portion, 400 portions of aluminum hydroxide and 250 portions of calcium carbonate are mixed and filled into a mixing tank, and are stirred for 15min at the stirring speed of 1500-2000r/min by a high-speed dispersion machine; uniformly dispersing the mixed filler into the mixed resin;

feeding the prepared resin paste system into a resin paste system tank for later use;

step two, feeding the resin paste system prepared in the step one, 8 parts of thickening agent and 30 parts of color paste into a mixing pipeline of an SMC sheet machine set according to parts by mass, and fully mixing to obtain a mixture;

thirdly, paving PP films in an upper groove and a lower groove of an SMC sheet machine set, and conveying the mixture obtained in the second step into the upper groove and the lower groove of the SMC sheet machine set to enable the PP films to adhere to the mixture;

step four, dividing 360 parts of glass fiber into two parts by mass, wherein one part is cut into glass fiber with the length of L by a yarn cutting system, and the other part is cut into glass fiber with the length of 2L by the yarn cutting system;

uniformly dropping two glass fibers with different lengths on a PP film of an SMC lower groove;

attaching the pp films bearing the glass fibers and the mixture in the lower groove and the pp films bearing the mixture in the upper groove at the inlet of the impregnation area, and fully impregnating the glass fibers between the pp films by the mixture through an impregnation roller;

and sixthly, rolling the SMC sheet machine, conveying the fully impregnated film-coated mixture obtained in the fifth step to a thickening chamber, controlling the temperature to be between 40 and 45 ℃, and thickening for 48 to 72 hours to obtain the SMC composite material.

8. An eave face according to claim 7, wherein the curing agent is tert-butyl peroxybenzoate and the thickening agent is activated magnesium oxide.

Technical Field

The invention relates to the technical field of building eave surface manufacturing, in particular to an eave surface prepared from a composite material.

Background

The gas station eaves face is an important part for displaying gas station information to the outside by installing the eaves face on the eaves face of the gas station building roof. Because the working environment of the gas station is complex, a great amount of liquefied petroleum gas and natural gas are stored, and a fire disaster is easily caused.

The existing eave surface of the gas station is usually prepared from plastics and some traditional SMC sheets, the traditional SMC sheets can meet the requirements of light weight and low shrinkage, the production efficiency is high, the production method is suitable for mass production, the material utilization rate is high, and the closed mold forming operation environment is good; the molding process is simple, and the labor is saved; the molding of large-scale device products can be realized. The eaves surface prepared by the existing smc sheet has poor bending strength and impact strength, and poor effects of high surface brightness and color diversity.

However, the existing SMC sheet also has a plurality of defects, such as poor bending strength and impact strength and poor flame retardant effect; the adhesion level is high and the product needs to be polished. The high brightness and the color diversity of the surface of a molded product are hardly considered by the conventional SMC sheet, and the material flowability is poor in the film pressing forming process of the conventional SMC sheet.

Therefore, aiming at the technical problems in the prior art, a gas station eave surface prepared by using a composite material is needed, the bending strength and the impact strength of the eave surface are improved, and the high brightness and the color diversity of the surface of the eave surface are improved.

Disclosure of Invention

It is an object of the present invention to provide a cornice made from a composite material, the cornice comprising an elongate panel, a cornice mounting base, and a cornice mounting frame,

the front end of the long panel is provided with a first groove for mounting the lamp strip, the long panel is provided with a second groove for fixing a first mounting aluminum profile, and a second mounting aluminum profile is fixed on the eave surface mounting bottom plate;

the first mounting aluminum profile and the second mounting aluminum profile are mounted in a matched mode, the long panel and the eaves surface mounting base plate are fixed, and the mounting base plate and the eaves surface mounting frame are fixed;

wherein the strip panel is prepared from a composite material, the composite material comprises mixed resin, a mixed auxiliary agent, mixed filler, a thickening agent, a curing agent and a reinforcing material,

calculating according to parts by mass: 350 parts of mixed resin, 432 parts of mixed auxiliary agent, 650 parts of mixed filler, 8 parts of thickening agent, 5 parts of curing agent and 360 parts of reinforcing material, wherein,

the mixed resin is a mixture calculated according to the following parts by mass: 200 parts of unsaturated polyester resin, 90 parts of modified methyl methacrylate and 50 parts of polystyrene;

the mixing auxiliary agent is a mixture calculated according to the following parts by mass: 6.5 parts of solvent-free wetting dispersant, 10 parts of wetting dispersant, 15 parts of release agent, 0.5 part of p-benzoquinone and 400 parts of ultraviolet absorbent;

the mixed filler is a mixture calculated according to the following parts by mass: 400 parts of aluminum hydroxide and 250 parts of calcium carbonate.

In a preferred embodiment, the first mounting aluminum profile and the second mounting aluminum profile are installed in a matched mode through a bolt connection mode or a welding mode.

In a preferred embodiment, the first groove is covered with a lampshade, and the lampshade is buckled on the first groove through an upper lampshade aluminum section bar and a lower lampshade aluminum section bar.

In a preferred embodiment, a plurality of reinforcing ribs are longitudinally spaced on the back side of the elongated panel.

In a preferred embodiment, the composite material further comprises 30 parts of color paste by mass.

In a preferred embodiment, the curing agent is tert-butyl peroxybenzoate, the thickening agent is activated magnesium oxide, and the reinforcing material is glass fiber.

In a preferred embodiment, the composite material is prepared according to the following method steps:

step one, preparing a resin paste system:

according to the mass parts, 200 parts of unsaturated polyester resin, 90 parts of modified methyl methacrylate and 50 parts of polystyrene are put into a mixing tank and are fully mixed by a high-speed dispersion machine at a stirring speed of 2000-3000r/min for 7-12 min to form mixed resin;

according to the mass portion, 6.5 portions of solvent-free wetting dispersant, 10 portions of wetting dispersant, 15 portions of release agent, 0.5 portion of p-benzoquinone, 400 portions of ultraviolet absorbent mixing auxiliary agent and 5 portions of curing agent are put into a mixing tank, and are stirred for 3min at a stirring speed of 1500-2000r/min by a high-speed disperser, so that the mixing auxiliary agent and the curing agent are uniformly dispersed in the mixed resin;

according to the mass portion, 400 portions of aluminum hydroxide and 250 portions of calcium carbonate are mixed and filled into a mixing tank, and are stirred for 15min at the stirring speed of 1500-2000r/min by a high-speed dispersion machine; uniformly dispersing the mixed filler into the mixed resin;

feeding the prepared resin paste system into a resin paste system tank for later use;

step two, feeding the resin paste system prepared in the step one, 8 parts of thickening agent and 30 parts of color paste into a mixing pipeline of an SMC sheet machine set according to parts by mass, and fully mixing to obtain a mixture;

thirdly, paving PP films in an upper groove and a lower groove of an SMC sheet machine set, and conveying the mixture obtained in the second step into the upper groove and the lower groove of the SMC sheet machine set to enable the PP films to adhere to the mixture;

step four, dividing 360 parts of glass fiber into two parts by mass, wherein one part is cut into glass fiber with the length of L by a yarn cutting system, and the other part is cut into glass fiber with the length of 2L by the yarn cutting system;

uniformly dropping two glass fibers with different lengths on a PP film of an SMC lower groove;

attaching the pp films bearing the glass fibers and the mixture in the lower groove and the pp films bearing the mixture in the upper groove at the inlet of the impregnation area, and fully impregnating the glass fibers between the pp films by the mixture through an impregnation roller;

and sixthly, rolling the SMC sheet machine, conveying the fully impregnated film-coated mixture obtained in the fifth step to a thickening chamber, controlling the temperature to be between 40 and 45 ℃, and thickening for 48 to 72 hours to obtain the SMC composite material.

In a preferred embodiment, the curing agent is tert-butyl peroxybenzoate and the thickener is activated magnesium oxide.

The eave surface provided by the invention has the beneficial effects of bending strength, impact strength, high temperature resistance, high brightness and color diversity of the surface of the eave surface.

The eave surface provided by the invention is free from polishing when being painted or bonded and compounded with other products, and can be directly painted or bonded and compounded only by using dust removal cloth to clear impurities such as dust on the surface of the product.

The eave surface provided by the invention has high fluidity in the mould pressing process, and the phenomenon of phase separation can not occur.

The eaves surface provided by the invention adopts the optimized combination of different fiber lengths of the composite material, improves the eaves surface strength, and is improved by more than 30% compared with a general SMC sheet. The optimal combination of the aluminum hydroxide and the calcium carbonate ensures the flame retardant effect of the SMC sheet and reduces the cost of the SMC sheet.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.

Drawings

Further objects, features and advantages of the present invention will become apparent from the following description of embodiments of the invention, with reference to the accompanying drawings, in which:

figure 1 schematically illustrates an overall schematic view of the cornice structure of the present invention.

Figure 2 shows an exploded view of one perspective of the cornice of the present invention.

Figure 3 shows an exploded view of another perspective of the cornice of the present invention.

Fig. 4 shows an enlarged view of the area a in fig. 2.

Fig. 5 shows an enlarged view of the region B in fig. 3.

FIG. 6 shows a process flow diagram for the preparation of a composite material for use in the cornice of the present invention.

Detailed Description

The objects and functions of the present invention and methods for accomplishing the same will be apparent by reference to the exemplary embodiments. However, the present invention is not limited to the exemplary embodiments disclosed below; it can be implemented in different forms. The nature of the description is merely to assist those skilled in the relevant art in a comprehensive understanding of the specific details of the invention.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In the drawings, the same reference numerals denote the same or similar parts, or the same or similar steps.

In order to solve the problem of the cornice of the existing gas station, the cornice prepared by the composite material is provided. Fig. 1 is a schematic view of the entire structure of the cornice of the present invention, fig. 2 is a schematic view of the cornice of the present invention exploded from one viewing angle, fig. 3 is a schematic view of the cornice of the present invention exploded from another viewing angle, fig. 4 is an enlarged view of a region a in fig. 2, and fig. 5 is an enlarged view of a region B in fig. 3. According to an embodiment of the present invention, referring to fig. 1 to 5, a cornice made of a composite material includes an elongated panel 1, a cornice mounting base 2, and a cornice mounting frame 3.

The eaves surface is fixed at the eaves opening of the building through the eaves surface mounting frame 3.

According to an embodiment of the invention, the front end of the elongated panel 1 has a first recess 104 for mounting the light strip 101. The back side of the long panel 1 is provided with a second groove 103 for fixing a first mounting aluminum profile 102, and a second mounting aluminum profile 201 is fixed on the eave surface mounting base plate 2.

Through first installation aluminium alloy 102 and the cooperation installation of second installation aluminium alloy 201, fix rectangular panel 1 and eaves face mounting plate 2, eaves face mounting plate 2 is fixed with eaves face mounting bracket 3.

According to the embodiment of the invention, the first mounting aluminum profile 102 and the second mounting aluminum profile 201 are installed in a matched mode through a bolt connection mode or a welding mode.

The first groove 101 is covered with a lamp shade 105, and the lamp shade 105 is buckled on the first groove 104 through an upper lamp strip aluminum profile 106 and a lower lamp strip aluminum profile 107 by the lamp shade 105. The mounting means may specifically be mounting means conventional in the art, such as a bolt mounting, or a snap mounting. A plurality of reinforcing ribs 108 are longitudinally spaced on the back side of the elongate panel 1 to improve the strength of the eave.

According to an embodiment of the invention, the strip panel is made of a composite material comprising a mixed resin, a mixing aid, a mixed filler, a thickener, a curing agent and a reinforcing material.

Mixed resin unsaturated polyester resin, modified methyl methacrylate and 3 kinds of polystyrene.

The mixed assistant consists of 5 assistants, including solvent-free wetting dispersant, demolding agent, p-benzoquinone and ultraviolet absorbent.

The mixed filler is composed of aluminum hydroxide and calcium carbonate.

The compositions and proportions of the SMC composite materials of this example are shown in Table 1. According to the embodiment of the invention, the weight portions are as follows: 350 parts of mixed resin, 432 parts of mixed auxiliary agent, 650 parts of mixed filler, 8 parts of thickening agent, 5 parts of curing agent and 360 parts of reinforcing material.

The mixed resin is a mixture calculated according to the following parts by mass: 200 parts of unsaturated polyester resin, 90 parts of modified methyl methacrylate and 50 parts of polystyrene;

the mixing auxiliary agent is a mixture calculated according to the following parts by mass: 6.5 parts of solvent-free wetting dispersant, 10 parts of wetting dispersant, 15 parts of release agent, 0.5 part of p-benzoquinone and 400 parts of ultraviolet absorbent;

the mixed filler is a mixture calculated according to the following parts by mass: 400 parts of aluminum hydroxide and 250 parts of calcium carbonate.

According to the embodiment of the invention, the SMC composite material also comprises 30 parts of color paste by mass. The curing agent adopts tert-butyl peroxybenzoate, the thickening agent adopts active magnesium oxide, and the reinforcing material adopts glass fiber.

Table 1: composition and proportion of SMC composite material

Serial number

Name (R)

Composition (I)

Model number

Number of

Unit of

Remarks for note

1

Resin 1

Unsaturated polyester resin

P18-03

220

kg

2

Resin 2

Modified methyl methacrylate

H856-902

90

kg

3

Resin 3

Polystyrene

H814-902

50

kg

4

Curing agent

Peroxybenzoic acid tert-butyl ester

Trigonox C

5

kg

5

Auxiliary agent 1

Solvent-free wetting dispersant

BYK-W9010

6.5

kg

6

Auxiliary 2

Wetting and dispersing agent

BYK-W972

10

7

Auxiliary 3

Release agent

BYK-P9065

15

kg

8

Auxiliary agent 4

P-benzoquinone

RS-404

0.5

kg

9

Auxiliary 5

Ultraviolet absorber

UV-531

400

kg

10

Filler 1

Aluminum hydroxide

HJM-8

400

kg

11

Filler 2

Calcium carbonate

2000Q

250

kg

12

Thickening agent

Activated magnesium oxide

MA-25C

8

kg

13

Color paste

Toner powder

506#

30

kg

Can select different colors

14

Reinforcing material

Glass fiber

P204

360

kg

The present example illustrates a preparation process according to a preparation method of an SMC composite material provided by the present invention. As shown in fig. 6, a flow chart of a preparation process of the composite material used for the cornice of the present invention is a preparation method of the SMC composite material, comprising the following steps:

step one, preparing a resin paste system:

according to the mass portion, 200 portions of unsaturated polyester resin, 90 portions of modified methyl methacrylate and 50 portions of polystyrene are put into a material mixing tank and are fully mixed by a high-speed dispersion machine at the stirring speed of 2000-3000r/min for 7-12 min to form mixed resin.

Specifically, in the embodiment, the 3 resins are respectively put into a mixing tank through a conveying system by a weightless weighing scale, and the three resins are fully mixed by a high-speed disperser.

According to the mass portion, 6.5 portions of solvent-free wetting dispersant, 10 portions of wetting dispersant, 15 portions of release agent, 0.5 portion of p-benzoquinone, 400 portions of ultraviolet absorbent mixing auxiliary agent and 5 portions of curing agent are put into a mixing tank, and are stirred for 3min at a high-speed disperser at a stirring speed of 1500-2000r/min, so that the mixing auxiliary agent and the curing agent are uniformly dispersed in the mixed resin.

Specifically, in the embodiment, the curing agent and the 5 auxiliaries are respectively added into the mixing tank according to the formula, then the high-speed dispersion machine is started to uniformly disperse the curing agent in the mixed resin, the stirring speed is 1500-.

According to the mass portion, 400 portions of aluminum hydroxide and 250 portions of calcium carbonate are mixed and filled into a mixing tank, and are stirred for 15min at the stirring speed of 1500-2000r/min by a high-speed dispersion machine; so that the mixed filler is uniformly dispersed in the mixed resin.

Specifically, in the embodiment, the 2 fillers are respectively put into a mixing tank through respective weightlessness weighers and a conveying system, and are stirred at a stirring speed of 1500-; so that the filler is uniformly dispersed in the mixed resin.

The prepared resin paste system is sent to a resin paste system tank for standby.

And step two, feeding the resin paste system prepared in the step one, 8 parts of thickening agent and 30 parts of color paste into a mixing pipeline of an SMC sheet machine set according to parts by mass, and fully mixing to obtain a mixture. The thickening agent adopts active magnesium oxide.

And thirdly, paving PP films on an upper groove and a lower groove of the SMC sheet machine set, and conveying the mixture obtained in the second step into the upper groove and the lower groove of the SMC sheet machine set to enable the PP films to adhere to the mixture.

And step four, dividing 360 parts of glass fibers into two parts by mass, wherein one part is cut into glass fibers with the length of L by a yarn cutting system, and the other part is cut into glass fibers with the length of 2L by the yarn cutting system.

And uniformly dropping the glass fibers with two different lengths on the PP film of the lower groove of the SMC.

Specifically, in the present embodiment, the total of 48 glass fibers with a mass ratio of 360 parts enter the yarn cutting system through the bobbin, wherein 24 glass fibers with a length of 25.4mm are cut, and another 24 glass fibers with a length of 50.8mm are cut, so that the two glass fiber yarns with different lengths uniformly fall onto the PP film which passes through the lower groove and is adhered with the mixture.

And step five, dipping.

Attaching the pp films bearing the glass fibers and the mixture in the lower tank and the pp films bearing the mixture in the upper tank at the inlet of the impregnation area, and fully impregnating the glass fibers between the pp films by the mixture through an impregnation roller.

Step six, thickening.

And (4) rolling an SMC sheet machine set, conveying the fully impregnated film-coated mixture obtained in the step five to a thickening chamber, controlling the temperature to be between 40 and 45 ℃, and thickening for 48 to 72 hours to obtain the SMC composite material.

Table 2 shows the comparison of the performance of the SMC sheet of one example of the invention with a generic sheet.

Table 2: comparison table of performances of SMC sheet material of the invention and traditional SMC sheet material

As can be seen from Table 2, the SMC composite material prepared by the invention has higher bending strength and impact strength and lower adhesion grade compared with the general SMC composite material, and can be used for painting or bonding a molded product of an SMC sheet without polishing.

The eave surface provided by the invention has the beneficial effects of bending strength, impact strength, high temperature resistance, high brightness and color diversity of the surface of the eave surface.

The eave surface provided by the invention is free from polishing when being painted or bonded and compounded with other products, and can be directly painted or bonded and compounded only by using dust removal cloth to clear impurities such as dust on the surface of the product.

The eave surface provided by the invention has high fluidity in the mould pressing process, and the phenomenon of phase separation can not occur.

The eaves surface provided by the invention adopts the optimized combination of different fiber lengths of the composite material, improves the eaves surface strength, and is improved by more than 30% compared with a general SMC sheet. The optimal combination of the aluminum hydroxide and the calcium carbonate ensures the flame retardant effect of the SMC sheet and reduces the cost of the SMC sheet.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.