CN103286994B - Glass-fiber reinforced plastic grille hollow sheeting and production method thereof - Google Patents
Glass-fiber reinforced plastic grille hollow sheeting and production method thereof Download PDFInfo
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- CN103286994B CN103286994B CN201210052004.5A CN201210052004A CN103286994B CN 103286994 B CN103286994 B CN 103286994B CN 201210052004 A CN201210052004 A CN 201210052004A CN 103286994 B CN103286994 B CN 103286994B
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Abstract
The invention belongs to building enclosure plate technique field, be specifically related to a kind of glass-fiber reinforced plastic grille hollow sheeting and production method thereof.Glass-fiber reinforced plastic grille hollow sheeting of the present invention comprises outer panels, grid and wainscot, and grid comprises vertical floor and diaphragm plate is latticed.Production method of the present invention comprises and prepares grid, prepare wainscot and bonding grid, preparation outer panels bond grid and the step such as wainscot and cutting.The invention solves the transverse shearing stress destruction that existing fiberglass hollow sheeting subjects to be parallel to panel, the technical problem that existing fiberglass production method production efficiency is low, product stability is poor.Glass-fiber reinforced plastic grille hollow sheeting Stability Analysis of Structures of the present invention, bonding firmly, have stronger horizontal shear resistance; Production method of the present invention can adopt the manufacture of batch production technique block-by-block, and continuous production processes can be adopted again by given size cutting, and production efficiency is high, and product is stablized.
Description
Technical field
The invention belongs to building enclosure plate technique field, be specifically related to a kind of glass-fiber reinforced plastic grille hollow sheeting and production method thereof.
Background technology
Hollow sheeting is that one utilizes material mechanics principle, makes hollow according to certain rules by its inside, adopts less material, reaches a class sheet material of higher force performance.The thermoplastic resin material high temperature extruding-out process such as hollow sheeting many employings Merlon (PC) common at present, polystyrene (PS), polypropylene (PP) and polyvinyl chloride panel (PVC) are produced.Due to thermoplastic plastic be heated after distortion and the reason such as mechanical strength is lower, limit its application in building enclosure.Fiberglass is as a kind of thermoset ting resin composite of glass fiber reinforcement, there is the advantages such as the anti-flammability that intensity is high, density is low, ageing-resistant, thermal conductivity factor is low, printing opacity is good and higher, from the performance of material, be very suitable for as a kind of light-duty printing opacity, thermal-insulating type building enclosure sheet material.But the technical merit of the current forming process of glass fiber reinforced plastics be limited to, such that fiberglass hollow sheeting is more difficult accomplishes scale production, and then have impact on it and apply.
In recent years, some are had about adopting the report making the fiberglass hollow sheeting of vertical muscle supporting construction by hand.Chinese patent ZL200910031074.0 proposes one " production technology of energy-saving glass-fibre reinforced resin plate ", adopting will the explained hereafter hollow sheeting of " support is established by the base plate of resin impregnated with fixture as requested equably ", and this method can only be used for intermittent mode and produce fiberglass and indulge muscle hollow sheeting.Bearing rib due to vertical muscle hollow sheeting is distributed between two panels parallel longitudinally, and bond area is very little, therefore its horizontal (direction perpendicular to bearing rib bonding wire) shear resistance is poor, subjects to the destruction of the transverse shearing stress being parallel to panel, application is restricted.
In sum, due to the inherent characteristic of its material self, fiberglass hollow sheeting can be made to have excellent serviceability, suitable to a kind of light body building enclosure material of good performance.But by the restriction of current production technology level, manual intermittent mode can only be adopted to produce vertical muscle hollow sheeting.Meanwhile, this hollow sheeting, due to structural deficiency, application receives a definite limitation.
Summary of the invention
The technical issues that need to address of the present invention are: the transverse shearing stress that existing fiberglass hollow sheeting subjects to be parallel to panel destroys; Existing fiberglass production method only can realize manual intermittent mode and produce, and production efficiency is low, product stability is poor.
Technical scheme of the present invention is as described below:
A kind of glass-fiber reinforced plastic grille hollow sheeting, comprise outer panels, grid and wainscot, three is integrally bonding from top to bottom; Described grid comprises some vertical floors and some diaphragm plates, and diaphragm plate is inserted on vertical floor, forms latticed grid.
Described outer panels and wainscot are fiberglass rectangular flat, and the two is measure-alike;
Described grid comprises some vertical floors and some diaphragm plates, described vertical floor is fiberglass rectangular flat with diaphragm plate: the length that every bar indulges floor is identical with wainscot length with outer panels, and edge is parallel to outer panels and wainscot long side direction is vertically supported between outer panels and wainscot, some vertical floors are uniformly distributed between panel and wainscot outside; The length of every bar diaphragm plate is identical with wainscot width with outer panels, and edge is parallel to outer panels and wainscot short side direction is vertically supported between outer panels and wainscot, and some diaphragm plates are uniformly distributed between panel and wainscot outside; Every bar is indulged floor upper surface and is provided with and indulges floor draw-in groove with " recessed " shape of diaphragm plate number, every bar diaphragm plate lower surface is provided with " recessed " shape diaphragm plate draw-in groove with vertical number of ribs equal number, the position of above-mentioned vertical floor draw-in groove and diaphragm plate draw-in groove can make diaphragm plate be inserted on vertical floor, forms latticed grid.
Outer panels exposed surface, i.e. outer panels upper surface, be covered with anti-aging film.
Described anti-aging film is the polyester film of thick 15 μm through Corona Surface Treatment.
Described outer panels, wainscot, vertical floor and diaphragm plate all adopt transparent type fireproof glass steel plate to make; Outer panels and wainscot length range are 6 ~ 12m, and width range is 0.8 ~ 2.4m, and thickness range is 1.2 ~ 3.5mm; Vertical floor and diaphragm plate thickness range are 1.2 ~ 3.5mm; Glass-fiber reinforced plastic grille hollow sheeting integral thickness scope is 30 ~ 200mm.
A production method for glass-fiber reinforced plastic grille hollow sheeting described in claim 2, comprises the following steps:
Step (a) prepares grid
Step (a1) prepares grid glass epoxy
Production platform is laid polyester film as carrying technique film, travel forward with device synchronization; Even coated with resins glue on described polyester film; Paving covers alkali-free glass fibre felt afterwards; After described alkali-free glass fibre felt soaks into, cover other one deck carrying technique film and make it to form sandwich belt; Move to baking oven is gradually heating and curing shaping thereupon; The polyester film that after curing molding, removal two is surperficial;
Step (a2) cutting, finishing, assembling grid glass epoxy
According to production requirement cutting, finishing grid glass epoxy to vertical floor, diaphragm plate corresponding size; And cut and establish vertical floor draw-in groove and diaphragm plate draw-in groove, diaphragm plate is inserted on vertical floor, forms latticed grid; Bonding agent is adopted to be fixed in vertical floor and diaphragm plate assembling process;
Step (b) prepares wainscot and bonding grid
Production platform is laid polyester film as carrying technique film, travel forward with device synchronization; Even coated with resins glue on described polyester film; Paving covers alkali-free glass fibre felt afterwards, and described alkali-free glass fibre felt is fully soaked into; Before the gelation time of wainscot forming process, the lower surface of several grids of step (a) gained is placed on wainscot successively, utilize in wainscot forming process by the resin of pressure spilling, wainscot is bonding with grid lower surface, move to baking oven thereupon gradually and be heating and curing shaping; Polyester film is removed after curing molding;
Step (c) prepares outer panels and bond grid and wainscot
Production platform is laid polyester film as carrying technique film, described polyester film is anti-aging film, travels forward with device synchronization; Even coated with resins glue on described polyester film; Paving covers alkali-free glass fibre felt afterwards, and described alkali-free glass fibre felt is fully soaked into; The upper surface before the gelation time of sheet metal forming process outside, step (b) gained lower surface being bonded with several grids of wainscot is inverted on outer panels successively, utilizes the resin overflowed by pressure in outer panels forming process that outer panels is bonding with grid upper surface; Move to baking oven is gradually heating and curing shaping thereupon; Realize outer panels, grid, wainscot three bonding for overall from top to bottom;
Step (d) is cut
According to dimensional requirement synchronous cutting wainscot and outer panels, become single glass-fiber reinforced plastic grille hollow sheeting goods, realize continuous seepage.
Preferably, step (a1), step (b) are with in step (c), and described resin adhesive liquid composition quality is than as described below:
1) light-transmission type unsaturated polyester resin 100 parts;
2) cobalt iso-octoate 0.2 ~ 2.5 part;
3) methyl ethyl ketone peroxide 1 ~ 3 part.
Step (a1), step (b) are with in step (c), described resin adhesive liquid also comprises the styrene solution of 5 ~ 20 parts of trichloroethyl phosphates (TCEP) and 0.01 ~ 0.5 part of mass content 0.5% hydroquinones, makes the hydroquinones concentration of adding in whole resin system be 0.5 ~ 25ppm.
In step (a2), described Binder Composition mass ratio is as described below:
1) light-transmission type unsaturated polyester resin 100 parts;
2) cobalt iso-octoate 0.2 ~ 2.5 part;
3) methyl ethyl ketone peroxide 1 ~ 3 part;
4) white carbon 5 ~ 10 parts.
In step (a2), described binding agent also comprises the styrene solution of 5 ~ 20 parts of trichloroethyl phosphates (TCEP) and 0.01 ~ 0.5 part of mass content 0.5% hydroquinones, makes the hydroquinones concentration of adding in whole resin system be 0.5 ~ 25ppm.
In step (a1) and step (b), the thickness of described polyester film is 20 μm;
Step (a1), step (b) are with in step (c), and the specification of described alkali-free glass fibre felt is 450g/m
2;
In step (a1), when carrying out being heating and curing shaping, heating-up temperature is 40 ~ 80 DEG C, and the speed of service is 1.5m/min, hardening time 15 ~ 20min;
In step (b) and step (c), when carrying out being heating and curing shaping, heating-up temperature is 55 ~ 85 DEG C, and the speed of service is 1.2m/min, hardening time 20 ~ 25min.
Beneficial effect of the present invention is:
(1) glass-fiber reinforced plastic grille hollow sheeting of the present invention adopts glass-fiber reinforced plastic grille supporting construction between wainscot, outer panels, and its Stability Analysis of Structures, bonding firmly, have stronger horizontal shear resistance;
(2) glass-fiber reinforced plastic grille hollow sheeting production method of the present invention can adopt the manufacture of batch production technique block-by-block, and continuous production processes can be adopted again by given size cutting, and production efficiency is high, constant product quality;
(3) separate space that the grid that glass-fiber reinforced plastic grille hollow sheeting of the present invention has is formed is less independent monomer, slow down the advection heat conduction of intracavity gas, thus effectively improves its integral heat-insulation property;
(4) grid that glass-fiber reinforced plastic grille hollow sheeting of the present invention has have employed identical materials and process manufacture with wainscot and outer panels, simplifies production process, improves production efficiency;
(5) glass-fiber reinforced plastic grille hollow sheeting of the present invention compares the fiberglass hollow sheeting only having vertical muscle, its surfacing, firmly bonding, have that intensity is high, apparent density is low, ageing-resistant, heat insulation good, light transmittance is high and the performance such as good flame resistance, be suitable for, as one light body transparent heat insulating type building enclosure material, to promote the use of in energy saving building.
Accompanying drawing explanation
Fig. 1 is the structural representation of glass-fiber reinforced plastic grille hollow sheeting of the present invention;
Fig. 2 is the cell structure schematic diagram of glass-fiber reinforced plastic grille hollow sheeting of the present invention.
In figure, 1-anti-aging film, 2-outer panels, 3-grid, 4-wainscot, 301-indulges floor, 302-diaphragm plate, and 303-indulges floor draw-in groove, 304-diaphragm plate draw-in groove.
Detailed description of the invention
Below in conjunction with drawings and Examples, glass-fiber reinforced plastic grille hollow sheeting of the present invention and production method thereof are described in detail.
Embodiment 1
The glass-fiber reinforced plastic grille hollow sheeting of the present embodiment comprises outer panels 2, grid 3 and wainscot 4, and three is integrally bonding from top to bottom.
Described outer panels 2 and wainscot 4 are fiberglass rectangular flat, and the two is measure-alike.Described outer panels 2 and wainscot 4 preferably adopt transparent type fireproof glass steel plate to make, and outer panels 2 and wainscot 4 length range are 6 ~ 12m, and width range is 0.8 ~ 2.4m, and thickness range is 1.2 ~ 3.5mm.In the present embodiment, outer panels 2 and wainscot 4 all adopt the transparent type fireproof glass steel plate of long 6m, wide 1m, thick 2mm to make.
Described grid 3 comprises some vertical floors 301 and some diaphragm plates 302, described vertical floor 301 is fiberglass rectangular flat with diaphragm plate 302: the length that every bar indulges floor 301 is identical with wainscot 4 length with outer panels 2, and edge is parallel to outer panels 2 and wainscot 4 long side direction is vertically supported between outer panels 2 and wainscot 4, some vertical floors 301 are uniformly distributed between panel 2 and wainscot 4 outside; The length of every bar diaphragm plate 302 is identical with wainscot 4 width with outer panels 2, and edge is parallel to outer panels 2 and wainscot 4 short side direction is vertically supported between outer panels 2 and wainscot 4, and some diaphragm plates 302 are uniformly distributed between panel 2 and wainscot 4 outside; Every bar is indulged floor 301 upper surface and is provided with and indulges floor draw-in groove 303 with " recessed " shape of diaphragm plate 302 number, every bar diaphragm plate 302 lower surface is provided with " recessed " shape diaphragm plate draw-in groove 304 with vertical floor 301 number, the position of above-mentioned vertical floor draw-in groove 303 and diaphragm plate draw-in groove 304 can make diaphragm plate 302 be inserted on vertical floor 301, forms latticed grid 3.Vertical floor 301 and diaphragm plate 302 preferably adopt transparent type fireproof glass steel plate to make, and its thickness range is 1.2 ~ 3.5mm.In the present embodiment, described vertical floor 301 adopts the transparent type fireproof glass steel plate of long 6m, high 46mm, thick 2mm to make; Described diaphragm plate 302 adopts the transparent type fireproof glass steel plate of long 1m, high 46mm, thick 2mm to make; The groove being dark 23mm, wide 1.5mm of described vertical floor draw-in groove 303 and diaphragm plate draw-in groove 304.
Glass-fiber reinforced plastic grille hollow sheeting integral thickness ranges preferably from 30 ~ 200mm.
Between the vertical floor 301 of described grid 3 and diaphragm plate 302, can be fixed by binder phase between grid 3 and outer panels 2, between grid 3 and wainscot 4.
Embodiment 2
The glass-fiber reinforced plastic grille hollow sheeting of the present embodiment and the difference of embodiment 1 are: outer panels 2 exposed surface, and namely outer panels 2 upper surface, is covered with anti-aging film 1.Described anti-aging film 1 is preferably the polyester film of thick 15 μm through Corona Surface Treatment.
Embodiment 3
Described in embodiment 2, the production method of glass-fiber reinforced plastic grille hollow sheeting specifically comprises the following steps:
Step (a) prepares grid 3
Step (a1) prepares grid 3 glass epoxy
Production platform is laid polyester film as carrying technique film, travel forward with device synchronization, the thickness of described polyester film is preferably 20 μm; Even coated with resins glue on described polyester film; Paving covers alkali-free glass fibre felt afterwards, and the specification of described alkali-free glass fibre felt is preferably 450g/m
2; After described alkali-free glass fibre felt soaks into, cover other one deck carrying technique film and make it to form sandwich belt; Move to baking oven is gradually heating and curing shaping thereupon, and in the present embodiment, heating-up temperature is 40 ~ 80 DEG C, and the speed of service is 1.5m/min, hardening time 15 ~ 20min; The polyester film that after curing molding, removal two is surperficial.
Described resin adhesive liquid composition quality is than as described below:
1) light-transmission type unsaturated polyester resin 100 parts;
2) cobalt iso-octoate 0.2 ~ 2.5 part;
3) methyl ethyl ketone peroxide 1 ~ 3 part.
Preferably, resin adhesive liquid can also contain the styrene solution of 5 ~ 20 parts of trichloroethyl phosphates (TCEP) and 0.01 ~ 0.5 part of mass content 0.5% hydroquinones, makes the hydroquinones concentration of adding in whole resin system be 0.5 ~ 25ppm.
Step (a2) cutting, finishing, assembling grid 3 glass epoxy
According to production requirement cutting, finishing grid 3 glass epoxy to vertical floor 301, diaphragm plate 302 corresponding size; And cut and establish vertical floor draw-in groove 303 and diaphragm plate draw-in groove 304, diaphragm plate 302 is inserted on vertical floor 301, forms latticed grid 3.Bonding agent is adopted to be fixed in vertical floor 301 and diaphragm plate 302 assembling process.Described Binder Composition mass ratio is as described below:
1) light-transmission type unsaturated polyester resin 100 parts;
2) cobalt iso-octoate 0.2 ~ 2.5 part;
3) methyl ethyl ketone peroxide 1 ~ 3 part;
4) white carbon 5 ~ 10 parts.
Preferably, binding agent can also contain the styrene solution of 5 ~ 20 parts of trichloroethyl phosphates (TCEP) and 0.01 ~ 0.5 part of mass content 0.5% hydroquinones, makes the hydroquinones concentration of adding in whole resin system be 0.5 ~ 25ppm.
Step (b) prepares wainscot 4 and bonding grid 3
Production platform is laid polyester film as carrying technique film, travel forward with device synchronization; The thickness of described polyester film is preferably 20 μm; Even coated with resins glue on described polyester film; Paving covers alkali-free glass fibre felt afterwards, and the specification of described alkali-free glass fibre felt is preferably 450g/m
2, alkali-free glass fibre felt is fully soaked into; Before the gelation time of wainscot 4 forming process, the lower surface of several grids 3 of step (a) gained is placed on wainscot 4 successively, utilize in wainscot 4 forming process by the resin of pressure spilling, wainscot 4 is bonding with grid 3 lower surface, move to baking oven is gradually heating and curing shaping thereupon, in the present embodiment, heating-up temperature is 55 ~ 85 DEG C, the speed of service is 1.2m/min, hardening time 20 ~ 25min; Polyester film is removed after curing molding.
Described resin adhesive liquid composition quality ratio is identical with the resin adhesive liquid that step (a) prepares grid 3.
Step (c) prepares outer panels 2 and bond grid 3 and wainscot (4)
Production platform is laid polyester film as carrying technique film, described polyester film is anti-aging film 1, its preferably through Corona Surface Treatment and thickness excellent be 15 μm, travel forward with device synchronization; Even coated with resins glue on described polyester film; Paving covers alkali-free glass fibre felt afterwards, and the specification of described alkali-free glass fibre felt is preferably 450g/m
2, described alkali-free glass fibre felt is fully soaked into; The upper surface before the gelation time of panel 2 forming process outside, step (b) gained lower surface being bonded with several grids 3 of wainscot 4 is inverted on outer panels 2 successively, utilizes the resin overflowed by pressure in outer panels 2 forming process that outer panels 2 is bonding with grid 3 upper surface; Move to baking oven is gradually heating and curing shaping thereupon, and in the present embodiment, heating-up temperature is 55 ~ 85 DEG C, and the speed of service is 1.2m/min, hardening time 20 ~ 25min; Realize outer panels 2, grid 3, wainscot 4 three bonding for overall from top to bottom.
Described resin adhesive liquid composition quality ratio is identical with the resin adhesive liquid that step (a) prepares grid 3.
Step (d) is cut
According to dimensional requirement synchronous cutting wainscot 4 and outer panels 2, become single glass-fiber reinforced plastic grille hollow sheeting goods, realize continuous seepage.
Claims (6)
1. the production method of a glass-fiber reinforced plastic grille hollow sheeting, described glass-fiber reinforced plastic grille hollow sheeting, the thermoset glass plastics of same type are adopted to make, its section is rectangular opening lattice arranged side by side, be made up of outer panels (2), vertical floor (301) and wainscot (4), after solidification, three forms entirety; Described vertical floor (301) is some thin sheet like plate bars, by equidistantly lining up file, is vertically installed between outer panels (2) and wainscot (4); The file that described vertical floor (301) forms, by several diaphragm plate (302) at regular intervals, vertical interlaced inserts vertical floor (301) and separates, and forms long rectangle net trellis grid (3); Described outer panels (2) and wainscot (4) are fiberglass rectangular flat, and the two is measure-alike; Described grid (3) comprises some vertical floors (301) and some diaphragm plates (302), described vertical floor (301) is fiberglass rectangular flat with diaphragm plate (302): the length that every bar indulges floor (301) is identical with wainscot (4) length with outer panels (2), and edge is parallel to outer panels (2) and wainscot (4) long side direction is vertically supported between outer panels (2) and wainscot (4), some vertical floors (301) are uniformly distributed between panel (2) and wainscot (4) outside; The length of every bar diaphragm plate (302) is identical with wainscot (4) width with outer panels (2), and edge is parallel to outer panels (2) and wainscot (4) short side direction is vertically supported between outer panels (2) and wainscot (4), some diaphragm plates (302) are uniformly distributed between panel (2) and wainscot (4) outside; Every bar is indulged floor (301) upper surface and is provided with and indulges floor draw-in groove (303) with " recessed " shape of diaphragm plate (302) number, every bar diaphragm plate (302) lower surface is provided with " recessed " shape diaphragm plate draw-in groove (304) with vertical floor (301) number, the position of above-mentioned vertical floor draw-in groove (303) and diaphragm plate draw-in groove (304) can make diaphragm plate (302) be inserted on vertical floor (301), form latticed grid (3), it is characterized in that: comprise the following steps:
Step (a) prepares grid (3)
Step (a1) prepares grid (3) glass epoxy
Production platform is laid polyester film as carrying technique film, travel forward with device synchronization; Even coated with resins glue on described polyester film; Paving covers alkali-free glass fibre felt afterwards; After described alkali-free glass fibre felt soaks into, cover other one deck carrying technique film and make it to form sandwich belt; Move to baking oven is gradually heating and curing shaping thereupon; The polyester film that after curing molding, removal two is surperficial;
Step (a2) cutting, finishing, assembling grid (3) glass epoxy
According to production requirement cutting, finishing grid (3) glass epoxy to vertical floor (301), diaphragm plate (302) corresponding size; And cut and establish vertical floor draw-in groove (303) and diaphragm plate draw-in groove (304), diaphragm plate (302) is inserted on vertical floor (301), forms latticed grid (3); Bonding agent is adopted to be fixed in vertical floor (301) and diaphragm plate (302) assembling process;
Step (b) prepares wainscot (4) and bonding grid (3)
Production platform is laid polyester film as carrying technique film, travel forward with device synchronization; Even coated with resins glue on described polyester film; Paving covers alkali-free glass fibre felt afterwards, and described alkali-free glass fibre felt is fully soaked into; Before the gelation time of wainscot (4) forming process, the lower surface of several grids of step (a) gained (3) is placed on wainscot (4) successively, utilize in wainscot (4) forming process by the resin of pressure spilling, wainscot (4) is bonding with grid (3) lower surface, move to baking oven thereupon gradually and be heating and curing shaping; Polyester film is removed after curing molding;
Step (c) prepares outer panels (2) and the grid that bonds (3) and wainscot (4)
Production platform is laid polyester film as carrying technique film, described polyester film is anti-aging film (1), travels forward with device synchronization; Even coated with resins glue on described polyester film; Paving covers alkali-free glass fibre felt afterwards, and described alkali-free glass fibre felt is fully soaked into; The upper surface before the gelation time of panel (2) forming process outside, step (b) gained lower surface being bonded with the grid (3) of wainscot (4) is inverted on outer panels (2) successively, utilizes the resin overflowed by pressure in outer panels (2) forming process that outer panels (2) is bonding with grid (3) upper surface; Move to baking oven is gradually heating and curing shaping thereupon; Realize outer panels (2), grid (3), wainscot (4) three bonding for overall from top to bottom;
Step (d) is cut
According to dimensional requirement synchronous cutting wainscot (4) and outer panels (2), become single glass-fiber reinforced plastic grille hollow sheeting goods, realize continuous seepage.
2. glass-fiber reinforced plastic grille hollow sheeting production method according to claim 1, is characterized in that:
Step (a1), step (b) are with in step (c), and described resin adhesive liquid composition quality is than as described below:
1) light-transmission type unsaturated polyester resin 100 parts;
2) cobalt iso-octoate 0.2 ~ 2.5 part;
3) methyl ethyl ketone peroxide 1 ~ 3 part.
3. glass-fiber reinforced plastic grille hollow sheeting production method according to claim 2, is characterized in that:
Step (a1), step (b) are with in step (c), described resin adhesive liquid also comprises the styrene solution of 5 ~ 20 parts of trichloroethyl phosphate TCEP and 0.01 ~ 0.5 part mass content 0.5% hydroquinones, makes the hydroquinones concentration of adding in whole resin system be 0.5 ~ 25ppm.
4. glass-fiber reinforced plastic grille hollow sheeting production method according to claim 1, is characterized in that:
In step (a2), described Binder Composition mass ratio is as described below:
5. glass-fiber reinforced plastic grille hollow sheeting production method according to claim 4, is characterized in that:
In step (a2), described binding agent also comprises the styrene solution of 5 ~ 20 parts of trichloroethyl phosphate TCEP and 0.01 ~ 0.5 part mass content 0.5% hydroquinones, makes the hydroquinones concentration of adding in whole resin system be 0.5 ~ 25ppm.
6. glass-fiber reinforced plastic grille hollow sheeting production method according to claim 1, is characterized in that:
In step (a1) and step (b), the thickness of described polyester film is 20 μm;
Step (a1), step (b) are with in step (c), and the specification of described alkali-free glass fibre felt is 450g/m
2;
In step (a1), when carrying out being heating and curing shaping, heating-up temperature is 40 ~ 80 DEG C, and the speed of service is 1.5m/min, hardening time 15 ~ 20min;
In step (b) and step (c), when carrying out being heating and curing shaping, heating-up temperature is 55 ~ 85 DEG C, and the speed of service is 1.2m/min, hardening time 20 ~ 25min.
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| CN109590557B (en) * | 2018-12-29 | 2021-02-09 | 中核北方核燃料元件有限公司 | Machining method of grid plate part |
| CN109898868A (en) * | 2019-03-30 | 2019-06-18 | 中国二十二冶集团有限公司 | Fluting method steel grid installation method |
| CN112757733A (en) * | 2020-12-31 | 2021-05-07 | 江苏时瑞新材料科技有限公司 | High-performance fully-coated glass fiber reinforced plastic grating plate and coating process thereof |
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