CN104742379A - Mould for fiber reinforced plastic and manufacturing method of fiber reinforced plastic - Google Patents
Mould for fiber reinforced plastic and manufacturing method of fiber reinforced plastic Download PDFInfo
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- CN104742379A CN104742379A CN201510131593.XA CN201510131593A CN104742379A CN 104742379 A CN104742379 A CN 104742379A CN 201510131593 A CN201510131593 A CN 201510131593A CN 104742379 A CN104742379 A CN 104742379A
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Abstract
The invention relates to a mould for fiber reinforced plastic. The mould for the fiber reinforced plastic is made from mirror finished stainless steel. By virtue of the mirror finished stainless steel, the manufactured fiber reinforced plastic is better in surface flatness. The manufacturing process of the stainless steel mould is simple, and the stainless steel mould is integrally molded.
Description
Technical field
The present invention relates to can one-body molded fiberglass mould, in addition, the invention still further relates to the preparation method of fiberglass.
Background technology
Along with developing rapidly of China's economy, fiberglass (FRP) because of have the incomparable characteristic advantage of other materials many as: specific density is little, specific strength is high, easy-formation, anti-corrosion, high temperature resistant, electrical insulating property is good, so the market demand of FRP product increases day by day.This most basic composite material process planning of FRP manual pasting forming process, because having the irreplaceable advantage of its uniqueness, as: equipment investment is few, instant effect, goods do not limit by size, production technology is easily grasped, so be still widely used in producing various FRP goods as a kind of main FRP moulding process so far.Particularly at most of Frp Enterprises of China all based on this production method.
While the demand of hand paste FRP product and FRP total demand are grown simultaneously, the requirement of its product quality is also improved greatly, especially product surface quality, as, for the FRP product of the large enclosing element of automobile, have its surface of many product requirements for A level surface, the requirement of its smooth degree, fineness is all very high.And affect hand and stick with paste the factor of FRP product surface quality except the overall technology quality of workman, most important is exactly die quality.
Many foreign corporations think that the hand of China sticks with paste the structure of FRP goods, inherent quality is fine, equally matched with other FRP industrial power, but product surface quality is generally poor, do not reach export standard requirement, this surface quality that mainly hand sticks with paste FRP mould does not pass a test.
Summary of the invention
In order to solve the problems of the technologies described above, first aspect, the invention provides a kind of fiberglass mould, and described fiberglass mould comprises mirror face stainless steel layer, and the RSM surface roughness of mirror face stainless steel layer is lower than 30nm.
According to the fiberglass mould of first aspect, the RSM surface roughness of described mirror face stainless steel layer is lower than 2nm.
According to the fiberglass mould of first aspect, the stainless steel of described mirror face stainless steel layer is ferritic stainless steel or austenite-ferrite two phase stainless steel.
According to the fiberglass mould of first aspect, the stainless steel of described mirror face stainless steel layer is the austenite-ferrite two phase stainless steel of titaniferous.
According to the fiberglass mould of first aspect, the stainless steel of described mirror face stainless steel layer is the ferritic stainless steel of titaniferous.
According to the fiberglass mould of first aspect, the thickness of described mirror face stainless steel layer is 1-8mm.
Second aspect, present invention also offers the preparation method of fiberglass, and described preparation method comprises the following steps:
The mirror face stainless steel mold layer of 2-4mm is provided;
Releasing agent is overlying on mirror face stainless steel surface, dry;
Unsaturated polyester (UP) is covered and releasing agent surface, dry;
On unsaturated polyester (UP), by fiberglass hand pasting forming.
According to the preparation method of the fiberglass of second aspect, the consumption of described releasing agent is 0.5-3g/m
2.
According to the preparation method of the fiberglass of second aspect, the consumption of described unsaturated polyester (UP) film is 5-40g/m2.
According to the preparation method of the fiberglass of second aspect, described semipermanent releasing agent comprises hydrosilyl group-containing polysiloxanes, end silicone hydroxyl polysiloxanes, end alkane hydroxyl polysiloxane, catalyst, solvent.
According to the preparation method of the fiberglass of second aspect, the number-average molecular weight of described hydrosilyl group-containing polysiloxanes is 2000-8000.
According to the preparation method of the fiberglass of second aspect, the number-average molecular weight of described end silicone hydroxyl polysiloxanes is 500-2000.
According to the preparation method of the fiberglass of second aspect, the number-average molecular weight of described end alkane hydroxyl polysiloxane is 1000-2000.
According to the preparation method of the fiberglass of second aspect, described catalyst is the catalyst contributing to Si-H and Si-OH reaction.
According to the preparation method of the fiberglass of second aspect, the metaphenylene unsaturated polyester (UP) of described unsaturated polyester (UP) to be number-average molecular weight be 10000-20000.
Be easier to understand the above-mentioned of the application and other features, aspect and advantage with reference to following detailed description.
Detailed description of the invention
The detailed description of the following preferred implementation method of the present invention of participation in the election and the embodiment comprised more easily can understand present disclosure.Can mention a large amount of term in following description and claims, these terms are defined as following implication.
Singulative comprises plural number and object is discussed, unless clearly indicated in addition in context.
" optional " or " optionally " refers to that the item that describes thereafter or event can occur or not occur, and this description comprises situation that event occurs and the situation that event does not occur.
Approximate term in description and claims is used for modifying quantity, represents that the present invention is not limited to this concrete quantity, also comprises close to this quantity acceptable and can not cause the part of the correction of the change of relevant basic function.Accordingly, modify a numerical value with " approximately ", " about " etc., mean and the invention is not restricted to this exact numerical.In some example, approximate term may correspond to the precision of the instrument measuring numerical value.In present specification and claims, scope limits and can combine and/or exchange, if do not illustrate that these scopes comprise contained all subranges therebetween in addition.
Fiberglass mould, described fiberglass mould comprises mirror face stainless steel layer.
Fiberglass of the present invention (FRP) is also called GFRP, i.e. fiber-reinforced plastic, refers to glass fiber reinforcement unsaturated polyester, epoxy resin and phenolic resin as matrix resin.Make the reinforced plastics of reinforcing material with glass fibre or its goods, appellation is fiberglass reinforced plastics.
" minute surface " of the present invention refers to the surface of surface roughness 30nm at the most.The unevenness compared with Small Distance and small peak valley that surface roughness (surfaceroughness) refers to that finished surface has, according to GB/T 1031-2009 surface configuration method surface roughness parameter and numerical value thereof, can represent with the mean breadth RSM of profile unit.In sample length, the mean value of profile irregularity spacing.Nao-and micro relief spacing refers to peak of profile and the segment length of adjacent profile paddy on center line.
Stainless steel of the present invention (Stainless Steel) is the abbreviation of stainless acid resistant steel, and the weak corrosive mediums such as resistance to air, steam, water or the steel grade with rustless property are called stainless steel.And steel grade resistant to chemical media being corroded chemical etchings such as () acid, alkali, salt is called acid resisting steel.
Stainless steel one word of the present invention is not only refer to a kind of stainless steel merely, but representing the industrial stainless steel of kind more than 100, stainless steel is often divided into by structural state: martensite steel, ferritic steel, austenitic steel, austenite-ferrite (two-phase) stainless steel and precipitation-hardening stainless steel etc.In addition, can be divided into by composition: straight-chromiun stainless steel, chromium nickel stainless steel and chromic manganese nitrogen stainless steel etc.
Ferritic stainless steel, containing chromium 15% ~ 30%.Ferritic stainless steel of the present invention has Crl7, Cr17Mo2Ti, Cr25, Cr25Mo3Ti, Cr28.Selectable ferritic stainless steel by 405,430,430F, 434,447J1,403.
Martensitic stain less steel, martensitic stain less steel of the present invention preferred 1Cr13,3Cr13.The selectable ferrite of the present invention or martensitic stain less steel as 410,410L, 405,416,410J1,420J1,420J2,420F, 431,440A, 440B, 440C, 440F, 630,631,632.
Austenitic stainless steel, is greater than 18% containing chromium, also containing about 8% nickel and the element such as a small amount of molybdenum, titanium, nitrogen.The conventional trade mark of austenitic stainless steel of the present invention has 1Cr18Ni9,0Cr19Ni9 etc.Austenitic stainless steel of the present invention preferably as the Wc<0.08% of 0Cr19Ni9 steel, is labeled as in grade of steel " 0 ".According to domestic stainless steel numbering, selectable stainless steel is 301,302,303,303se, 304,304L, 304N1,304N2,304LN, 305,309S, 310S, 316,316L, 316N, 316J1,316J1L, 317,317L, 317J1,321,347, XM7, XM15J1,329J1.
Austenite-ferrite two phase stainless steel, austenite of the present invention and ferritic structure respectively account for the stainless steel of half.When containing C lower, Cr content at 18%-28%, Ni content at 3%-10%.Austenite-ferrite two phase stainless steel of the present invention can also contain Mo, Cu, Si, Nb, Ti, the alloying elements such as N.
Precipitation-hardening stainless steel, matrix is austenite or martensitic structure, the preferred 04Cr13Ni8Mo2Al of precipitation-hardening stainless steel of the present invention.As 600 series.
Mirror face stainless steel of the present invention refers to the stainless steel of surface roughness (RSM) 30nm at the most, preferably the stainless steel of 2nm surface roughness at most.More electedly, the stainless steel of maximum 0.8nm surface roughness.
Stainless steel can impose bright annealing after cold rolling, and obtains through smooth, thus prepares mirror face stainless steel pipe, certainly, also can obtain even curface more by further polishing.
As adopted component to be Ludox 90-94%, polishing accelerator 0.05-2%, brightener 0.05-3%, corrosion inhibiter 0.05-1%, pH value regulator 0.05-2%, surplus is the polishing fluid of deionized water.By polishing fluid 1:1 dilute with water, obtain polishing slurries, then this polishing slurries is used for polishing on Presi-334 precise grinding polisher, workpiece is the stainless steel substrates of 8cm*10cm, polish pressure 2psi, lower wall and load plate rotating speed 60RPM, polishing slurries flow velocity 10ml/min; This polishing fluid polish removal rate is 3-4 μm/min, obtains mirror face stainless steel after polishing.
Mirror face stainless steel of the present invention also can be commercially available prod.As long as the stainless steel capital meeting surface roughness (RSM) 30nm is at the most the selectable mirror face stainless steel of the present invention.
Stainless steel first can be made into mould by fiberglass mould of the present invention, the stainless steel mould of minute surface is obtained again through polishing for several times, be Ludox 90-94% as adopted component, polishing accelerator 0.05-2%, brightener 0.05-3%, corrosion inhibiter 0.05-1%, pH value regulator 0.05-2%, surplus is the polishing fluid of deionized water.By polishing fluid 1:1 dilute with water, obtain polishing slurries, then this polishing slurries is used for polishing on Presi-334 precise grinding polisher, workpiece is the stainless steel substrates of 8cm*10cm, polish pressure 2psi, lower wall and load plate rotating speed 60RPM, polishing slurries flow velocity 10ml/min; This polishing fluid polish removal rate is 3-4 μm/min, obtains mirror face stainless steel after polishing.
Also mirror face stainless steel can be used directly to prepare mould, then obtain fiberglass stainless steel mould of the present invention through suitable polishing.
Described fiberglass mould also comprises the semipermanent releasing agent being covered in stainless steel surfaces;
And be covered in the unsaturated polyester (UP) film on semipermanent releasing agent surface.
The consumption of described releasing agent is 0.5-3g/m
2.
Described semipermanent releasing agent comprises hydrosilyl group-containing polysiloxanes, end silicone hydroxyl polysiloxanes, end alkane hydroxyl polysiloxane, catalysts and solvents.Siloxanes in described hydrosilyl group-containing polysiloxanes can be the conventional various line styles, ring-type or the crosslinking silicone compound that use.The number-average molecular weight of described hydrosilyl group-containing polysiloxanes is 2000-8000.The 0.1-35.0% of the content of described hydrosilyl group-containing polysiloxanes preferably releasing agent gross mass, is more preferably 1.0-30.0%.
End silicone hydroxyl polysiloxanes refers to that hydroxyl is connected directly between the polysiloxanes on silicon atom, and end alkane hydroxyl polysiloxane refers to that hydroxyl is connected to the polysiloxanes on carbon atom.
The number-average molecular weight of described end silicone hydroxyl polysiloxanes is 500-2000.The number-average molecular weight of described end alkane hydroxyl polysiloxane is 1000-2000.Adopt end silicone hydroxyl polysiloxanes and non-end siloxanes to work in coordination, the crosslinked that the degree of cross linking is higher can be obtained, be conducive to the fiberglass obtaining better mirror effect.
Described catalyst is the catalyst contributing to Si-H and Si-OH reaction.Comprise amines catalyst and/or organometallic catalysts;
Described amines catalyst be selected from following in one or more: triethylenediamine, two (dimethylaminoethyl ether), dimethyl cyclohexyl amine, N-methyldicyclohexylamine, five methyl diethylentriamine, pentamethyldipropylenetriamine, tetramethylethylenediamine, 4-methyl-diaminopropane, 4-methyl hexamethylene diamine, N-methylmorpholine, N-ethylmorpholine, 2,2-dual-morpholinyl diethyl ether, cocoa morpholine, N-methylimidazole, 1,2-methylimidazole, Isosorbide-5-Nitrae-lupetazin, 1,8-diazabicyclo [5.4.0] 11 carbon-7-alkene, 1,1,3,3-TMG, 2, 4, 6 three (dimethylamino methyl) phenol, 1,3,5-tri-(DimethylAminopropyl)-1,3,5-hexahydrotriazine, N, N-dimethylethanolamine, N, N-dimethylaminoethyl ethylene glycol, trimethyl hydroxyethylammonium propane diamine, N-methyl-N-(N, TMSDMA N dimethylamine base ethyl) monoethanolamine, N, N-dimethyl benzylamine, three (dimethylaminopropyl) amine, triethylamine, N, N-dimethyl (cetyl) amine and tetramethyl imido grpup dipropylamine,
Described organometallic catalysts be selected from following in one or more: dibutyl tin laurate, stannous octoate, two (dodecyl sulphur) dibutyl tin, dibutyltin diacetate, isooctyl acid potassium, potassium acetate, potassium oleate, isooctyl acid lead, isooctyl acid zinc, phenylmercuric acetate, butyl titanate and tetraisopropyl titanate.
The 0.1-5.0% of the content of described catalyst preferably releasing agent gross mass, is more preferably 0.1-1.0%.
Above-mentioned hydrosilyl group-containing polysiloxanes, end silicone hydroxyl polysiloxanes, uniform composition such as end alkane hydroxyl polysiloxane and catalyst etc. can disperse by the selection of solvent of the present invention, and volatile solvent; Be preferably following in one or more: alcohols, alcohol ethers, ketone, ester class, fat hydrocarbon, alicyclic hydrocarbon type, arene and ethers.
Described alcohols solvent be following in one or more: ethanol, isopropyl alcohol, propane diols, butanols, BDO, 1,3-BDO and glycerine.
Described alcohol ether solvent be following in one or more: ethylene glycol monobutyl ether, propylene glycol monomethyl ether, propylene glycol monobutyl ether.
Described ketones solvent be following in one or more: acetone, butanone, methyl iso-butyl ketone (MIBK) and cyclohexanone.Described esters solvent be following in one or more: methyl acetate, ethyl acetate and butyl acetate.Described fat hydrocarbon solvent be following in one or more: n-hexane, carbon tetrachloride, benzinum and Isopars.Described Isopars can be such as Isopar C, Isopar E and Isopar H.Described alicyclic hydrocarbon type solvent is pentamethylene and/or cyclohexane.Described aromatic hydrocarbon solvent is toluene and/or dimethylbenzene.Described ether solvent be following in one or more: oxolane, diisopropyl ether and butyl oxide.The content of described solvent is preferably the 25.0-99.0% of releasing agent gross mass, and that better is 40.0-99.0%.
The metaphenylene unsaturated polyester (UP) of described unsaturated polyester (UP) film to be number-average molecular weight be 10000-20000.The consumption of described unsaturated polyester (UP) film is 5-40g/m2.In general, unsaturated polyester (UP) film more thick being more conducive to obtains smooth outward appearance, but present invention employs thinner film also can obtain extremely smooth outward appearance.
Unsaturated polyester (UP) used in the present invention is by the addition reaction of M-phthalic acid and dihydroxylic alcohols or dehydrogenation polycondensation reaction synthesis.Bicyclopentadiene can use simultaneously, and bicyclopentadiene and M-phthalic acid react.Bicyclopentadiene can improve the scrambling of unsaturated polyester (UP) segment, and this is conducive to unsaturated polyester (UP) and forms even curface, the 1-10% mole of the preferred M-phthalic acid of bicyclopentadiene.
Example as dihydroxylic alcohols has: ethylene glycol, propane diols, diethylene glycol (DEG), DPG, 1,3-butanediol, 1,4-butanediol, 1,6-hexylene glycol, neopentyl glycol, hydrogenated bisphenol A, BPAPO, BPAEO, Isosorbide-5-Nitrae cyclohexanedimethanol, glycerine, trimethylolpropane, trimethylolethane, oxirane, propylene oxide.
Preparing metaphenylene unsaturated polyester (UP) method is prior art.Can adopt suitable colloidal sol that metaphenylene unsaturated polyester (UP) is prepared solution, and through spraying ejection, thus certain thickness unsaturated polyester (UP) film can be prepared.
On the other hand, present invention also offers the preparation method of fiberglass, described preparation method comprises the following steps:
The mirror face stainless steel mold layer of 2-4mm is provided;
Releasing agent is overlying on mirror face stainless steel surface, dry;
Unsaturated polyester (UP) is covered and releasing agent surface, dry;
On unsaturated polyester (UP), by fiberglass hand pasting forming.
The consumption of described releasing agent is 0.5-3g/m
2.
The consumption of described unsaturated polyester (UP) film is 5-40g/m2.
Mirror face stainless steel, releasing agent, unsaturated polyester (UP) are identical with aforesaid.
Compared with the mould of common stainless steel or other specular material, use mirror face stainless steel mould can obtain the more smooth fiberglass in surface, even can obtain two-way mirror steel.Namely by mirror face stainless steel, the unsaturated polyester (UP) film that surface is more smooth, thickness is thinner can be obtained.This is because mirror face stainless steel is after releasing agent covers, then cover one deck unsaturated polyester (UP), this unsaturated polyester (UP) can be attached on releasing agent even, stillly and to solidify.Possible reason be the stainless steel of releasing agent and minute surface advantageously in stay aligned and the solidification of unsaturated polyester (UP), simultaneously stainless minute surface can allow spraying more even.
The present invention adopts mirror face stainless steel to be non-obvious, and obtains unforeseeable technique effect.
Embodiment 1. fiberglass mould, described fiberglass mould comprises mirror face stainless steel layer, and the RSM surface roughness of mirror face stainless steel layer is lower than 30nm.
The fiberglass mould of embodiment 2. according to embodiment 1, the RSM surface roughness of described mirror face stainless steel layer is lower than 10nm.
The fiberglass mould of embodiment 3. according to embodiment 1, the RSM surface roughness of described mirror face stainless steel layer is lower than 2nm.
The fiberglass mould of embodiment 4. according to embodiment 1, the stainless steel of described mirror face stainless steel layer is iron rust body stainless steel.
Embodiment 5. fiberglass mould according to claim 1, the stainless steel of described mirror face stainless steel layer is austenite-ferrite two phase stainless steel.
Embodiment 6. fiberglass mould according to claim 1, the stainless steel of described mirror face stainless steel layer is the austenitic stainless steel of titaniferous.
Embodiment 7. fiberglass mould according to claim 1, the stainless steel of described mirror face stainless steel layer is the austenitic stainless steel of titaniferous amount at 0.5-6wt%.
Embodiment 8. fiberglass mould according to claim 1, the stainless steel of described mirror face stainless steel layer is the austenite-ferrite two phase stainless steel of titaniferous.
Embodiment 9. fiberglass mould according to claim 1, the stainless steel of described mirror face stainless steel layer is the austenite-ferrite two phase stainless steel of titaniferous amount at 0.5-6wt%.
Embodiment 10. fiberglass mould according to claim 1, the thickness of described mirror face stainless steel layer is 1-8mm.
Embodiment 11, the preparation method of fiberglass, preparation method comprises the following steps: the mirror face stainless steel mould providing 2-4mm; Releasing agent is overlying on mirror face stainless steel surface, dry; Unsaturated polyester (UP) is covered and releasing agent surface, dry; On unsaturated polyester (UP), by fiberglass hand pasting forming.
Embodiment 12, the preparation method of the fiberglass of embodiment 11, the consumption of releasing agent is 0.5-3g/m
2.
Embodiment 13, the preparation method of the fiberglass of any one in embodiment 11-12, the consumption of unsaturated polyester (UP) film is 5-40g/m2.
Embodiment 14, the preparation method of the fiberglass of any one in embodiment 11-13, semipermanent releasing agent comprises hydrosilyl group-containing polysiloxanes, end silicone hydroxyl polysiloxanes, end alkane hydroxyl polysiloxane, catalyst, solvent.
Embodiment 15, the preparation method of the fiberglass of any one in embodiment 11-14, the number-average molecular weight of hydrosilyl group-containing polysiloxanes is 2000-8000.
Embodiment 16, the preparation method of the fiberglass of any one in embodiment 11-15, the number-average molecular weight of end silicone hydroxyl polysiloxanes is 500-2000.
Embodiment 17, the preparation method of the fiberglass of any one in embodiment 11-16, the number-average molecular weight of end alkane hydroxyl polysiloxane is 1000-2000.
Embodiment 18, the preparation method of the fiberglass of any one in embodiment 11-17, catalyst is the catalyst contributing to Si-H and Si-OH reaction.
Embodiment 19, the preparation method of the fiberglass of any one in embodiment 11-18, the metaphenylene unsaturated polyester (UP) of unsaturated polyester (UP) to be number-average molecular weight be 10000-20000.
Hereinafter, by embodiment, the present invention is explained in more detail, but should be understood that these embodiments are only illustrative and nonrestrictive.If do not have other to illustrate, raw materials used is all commercially available.
The present invention is described in detail referring to several example.
Semipermanent release agent A 1
DOW CORNING 1107, number-average molecular weight 4000, hydrogen content 1.60%, 10 weight portions; SHIN-ETSU HANTOTAI chemistry X-21-5841, end silicone hydroxyl polysiloxanes, number-average molecular weight 1000,5 weight portions; SHIN-ETSU HANTOTAI chemistry KF-6001 holds alkane hydroxyl polysiloxane, number-average molecular weight 1800,4 weight portions; N-methyldicyclohexylamine 1 weight portion, acetone 80 weight portion;
Semipermanent release agent A 2
DOW CORNING 1107, number-average molecular weight 4000, hydrogen content 1.60%, 10 weight portions; SHIN-ETSU HANTOTAI chemistry X-21-5841, end silicone hydroxyl polysiloxanes, number-average molecular weight 1000,5 weight portions; N-methyldicyclohexylamine 1 weight portion, acetone 80 weight portion;
Unsaturated polyester (UP) B1
Metaphenylene unsaturated polyester (UP), admittedly containing 30% spraying, Shanghai Hua Chang polymer 9406.
Unsaturated polyester (UP) B2
Bicyclopentadiene M-phthalic acid copolymerization unsaturated polyester (UP), bicyclopentadiene 5%, admittedly containing 30% spraying.
Unsaturated polyester (UP) B3
Adjacent benzene-type unsaturated polyester (UP), admittedly containing 30% spraying, Shanghai Hua Chang polymer 9409.
Embodiment 1
With 3mm minute surface 430 stainless steel for mould, the mirror face stainless steel that surface roughness (RSM) is 2nm is prepared through polishing, be prepared into flat board, flat board sprays release agent A 1 with 2g/m2, spray unsaturated polyester (UP) B1 again with the consumption of 20g/m2 after drying, dry defensive position pastes 2 layers of unsaturated polyester (UP) glass steel, treats complete curing and demolding, in 30 its surface roughnesses of position measurement of fiberglass, the average surface roughness (RSM) of the fiberglass obtained is 4nm.
Embodiment 2
With 3mm 430 stainless steel for mould, 430 stainless surface roughnesses (RSM) are 200nm, be prepared into flat board, flat board sprays release agent A 1 with 2g/m2, spray unsaturated polyester (UP) B1 again with the consumption of 20g/m2 after drying, dry defensive position pastes 2 layers of unsaturated polyester (UP) glass steel, treats complete curing and demolding, in 30 its surface roughnesses of position measurement of fiberglass, the average surface roughness (RSM) of the fiberglass obtained is 400nm.
Embodiment 3
Take safety glass as mould, the surface roughness (RSM) of safety glass is 2nm, be prepared into flat board, flat board sprays release agent A 1 with 2g/m2, spray unsaturated polyester (UP) B1 again with the consumption of 20g/m2 after drying, dry defensive position pastes 2 layers of unsaturated polyester (UP) glass steel, treats complete curing and demolding, in 30 its surface roughnesses of position measurement of fiberglass, the average surface roughness (RSM) of the fiberglass obtained is 35nm.
Embodiment 4
With 3mm minute surface 430 stainless steel for mould, the mirror face stainless steel that surface roughness (RSM) is 2nm is prepared through polishing, be prepared into flat board, flat board sprays release agent A 2 with 2g/m2, spray unsaturated polyester (UP) B1 again with the consumption of 20g/m2 after drying, dry defensive position pastes 2 layers of unsaturated polyester (UP) glass steel, treats complete curing and demolding, in 30 its surface roughnesses of position measurement of fiberglass, the average surface roughness (RSM) of the fiberglass obtained is 8nm.
Embodiment 5
With 3mm minute surface 430 stainless steel for mould, the mirror face stainless steel that surface roughness (RSM) is 2nm is prepared through polishing, be prepared into flat board, flat board sprays release agent A 1 with 2g/m2, spray unsaturated polyester (UP) B2 again with the consumption of 20g/m2 after drying, dry defensive position pastes 2 layers of unsaturated polyester (UP) glass steel, treats complete curing and demolding, in 30 its surface roughnesses of position measurement of fiberglass, the average surface roughness (RSM) of the fiberglass obtained is 3nm.
Embodiment 6
With 2mm minute surface 430 stainless steel for mould, the mirror face stainless steel that surface roughness (RSM) is 2nm is prepared through polishing, be prepared into flat board, flat board sprays release agent A 1 with 2g/m2, spray unsaturated polyester (UP) B3 again with the consumption of 20g/m2 after drying, dry defensive position pastes 2 layers of unsaturated polyester (UP) glass steel, treats complete curing and demolding, in 30 its surface roughnesses of position measurement of fiberglass, the average surface roughness (RSM) of the fiberglass obtained is 15nm.
Embodiment 7
With 3mm minute surface 307 stainless steel for mould, the mirror face stainless steel that surface roughness (RSM) is 2nm is prepared through polishing, be prepared into flat board, flat board sprays release agent A 1 with 2g/m2, spray unsaturated polyester (UP) B1 again with the consumption of 20g/m2 after drying, dry defensive position pastes 2 layers of unsaturated polyester (UP) glass steel, treats complete curing and demolding, in 30 its surface roughnesses of position measurement of fiberglass, the average surface roughness (RSM) of the fiberglass obtained is 18nm.
Embodiment 8
With 3mm minute surface 430Ti stainless steel for mould, the mirror face stainless steel that surface roughness (RSM) is 2nm is prepared through polishing, be prepared into flat board, flat board sprays release agent A 1 with 2g/m2, spray unsaturated polyester (UP) B1 again with the consumption of 20g/m2 after drying, dry defensive position pastes 2 layers of unsaturated polyester (UP) glass steel, treats complete curing and demolding, in 30 its surface roughnesses of position measurement of fiberglass, the average surface roughness (RSM) of the fiberglass obtained is 3nm.
Claims (10)
1. fiberglass mould, described fiberglass mould comprises mirror face stainless steel layer, and the RSM surface roughness of mirror face stainless steel layer is lower than 30nm.
2. fiberglass mould according to claim 1, is characterized in that, the RSM surface roughness of described mirror face stainless steel layer is lower than 2nm.
3. fiberglass mould according to claim 1, is characterized in that, the stainless steel of described mirror face stainless steel layer is ferritic stainless steel or austenite-ferrite two phase stainless steel.
4. fiberglass mould according to claim 1, is characterized in that, the stainless steel of described mirror face stainless steel layer is the ferritic stainless steel of titaniferous.
5. fiberglass mould according to claim 1, is characterized in that, the stainless steel of described mirror face stainless steel layer is the austenite-ferrite two phase stainless steel of titaniferous.
6. fiberglass mould according to claim 1, is characterized in that, the thickness of described mirror face stainless steel layer is 1-8mm.
7. the preparation method of fiberglass, this preparation method comprises the following steps: the mirror face stainless steel mold layer providing 2-4mm; Releasing agent is overlying on mirror face stainless steel surface, dry; Unsaturated polyester (UP) is covered and releasing agent surface, dry; On unsaturated polyester (UP), by fiberglass hand pasting forming.
8. the preparation method of fiberglass according to claim 7, is characterized in that, the consumption of described releasing agent is 0.5-3g/m
2, the consumption of described unsaturated polyester (UP) film is 5-40g/m
2.
9. the preparation method of fiberglass according to claim 7, it is characterized in that, described semipermanent releasing agent comprises hydrosilyl group-containing polysiloxanes, end silicone hydroxyl polysiloxanes, end alkane hydroxyl polysiloxane, catalyst, solvent, the number-average molecular weight of described hydrosilyl group-containing polysiloxanes is 2000-8000, the number-average molecular weight of described end silicone hydroxyl polysiloxanes is 500-2000, and the number-average molecular weight of described end alkane hydroxyl polysiloxane is 1000-2000.
10. the preparation method of fiberglass according to claim 7, is characterized in that, described unsaturated polyester (UP) is metaphenylene unsaturated polyester (UP).
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| CN201510131593.XA CN104742379B (en) | 2015-03-25 | 2015-03-25 | The preparation method of fiberglass mould and fiberglass |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113427789A (en) * | 2021-06-24 | 2021-09-24 | 贵州创普环保科技有限公司 | Time-saving and efficient hand-pasted glass fiber reinforced plastic production method |
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| CN201982951U (en) * | 2011-02-26 | 2011-09-21 | 大连金港金属制品有限公司 | Mirror finished stainless steel medium plate |
| CN102431104A (en) * | 2011-09-21 | 2012-05-02 | 贵阳华云汽车饰件有限公司 | Manufacturing method for glass fiber reinforced plastic pressing mould |
| CN103009635A (en) * | 2012-12-24 | 2013-04-03 | 烟台泰和新材料股份有限公司 | Manually-pasting molding method of para-position aramid fiber composite material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113427789A (en) * | 2021-06-24 | 2021-09-24 | 贵州创普环保科技有限公司 | Time-saving and efficient hand-pasted glass fiber reinforced plastic production method |
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