CN103309143A - Seamless spherical curtain - Google Patents
Seamless spherical curtain Download PDFInfo
- Publication number
- CN103309143A CN103309143A CN2013101390448A CN201310139044A CN103309143A CN 103309143 A CN103309143 A CN 103309143A CN 2013101390448 A CN2013101390448 A CN 2013101390448A CN 201310139044 A CN201310139044 A CN 201310139044A CN 103309143 A CN103309143 A CN 103309143A
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- China
- Prior art keywords
- seamless
- resin
- epoxy resin
- ball curtain
- spherical shell
- Prior art date
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- 229920005989 resin Polymers 0.000 claims abstract description 42
- 239000011347 resin Substances 0.000 claims abstract description 42
- 238000005507 spraying Methods 0.000 claims abstract description 18
- 238000003384 imaging method Methods 0.000 claims abstract description 12
- 239000003822 epoxy resin Substances 0.000 claims description 30
- 229920000647 polyepoxide Polymers 0.000 claims description 30
- 239000003795 chemical substances by application Substances 0.000 claims description 28
- 150000001875 compounds Chemical class 0.000 claims description 26
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims description 14
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims description 13
- 239000012948 isocyanate Substances 0.000 claims description 12
- 229920006305 unsaturated polyester Polymers 0.000 claims description 12
- -1 glycidyl ester Chemical class 0.000 claims description 10
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 8
- 150000001412 amines Chemical class 0.000 claims description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 150000001991 dicarboxylic acids Chemical class 0.000 claims description 6
- 239000000178 monomer Substances 0.000 claims description 6
- UICXTANXZJJIBC-UHFFFAOYSA-N 1-(1-hydroperoxycyclohexyl)peroxycyclohexan-1-ol Chemical compound C1CCCCC1(O)OOC1(OO)CCCCC1 UICXTANXZJJIBC-UHFFFAOYSA-N 0.000 claims description 4
- 229930185605 Bisphenol Natural products 0.000 claims description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 4
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 4
- 150000004982 aromatic amines Chemical class 0.000 claims description 4
- 239000004841 bisphenol A epoxy resin Substances 0.000 claims description 4
- 229940106691 bisphenol a Drugs 0.000 claims description 4
- 239000010941 cobalt Substances 0.000 claims description 4
- 229910017052 cobalt Inorganic materials 0.000 claims description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 4
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 4
- 150000002513 isocyanates Chemical group 0.000 claims description 4
- 229920000768 polyamine Polymers 0.000 claims description 4
- 229920005906 polyester polyol Polymers 0.000 claims description 4
- 229920000570 polyether Polymers 0.000 claims description 4
- 239000000047 product Substances 0.000 claims description 4
- WFUGQJXVXHBTEM-UHFFFAOYSA-N 2-hydroperoxy-2-(2-hydroperoxybutan-2-ylperoxy)butane Chemical compound CCC(C)(OO)OOC(C)(CC)OO WFUGQJXVXHBTEM-UHFFFAOYSA-N 0.000 claims description 3
- 239000004342 Benzoyl peroxide Substances 0.000 claims description 3
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 claims description 3
- 235000019400 benzoyl peroxide Nutrition 0.000 claims description 3
- 239000013530 defoamer Substances 0.000 claims description 3
- 150000003512 tertiary amines Chemical class 0.000 claims description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 2
- CTKINSOISVBQLD-UHFFFAOYSA-N Glycidol Chemical compound OCC1CO1 CTKINSOISVBQLD-UHFFFAOYSA-N 0.000 claims description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 2
- 239000007795 chemical reaction product Substances 0.000 claims description 2
- 150000002191 fatty alcohols Chemical class 0.000 claims description 2
- 229940042795 hydrazides for tuberculosis treatment Drugs 0.000 claims description 2
- 239000003607 modifier Substances 0.000 claims description 2
- GEMHFKXPOCTAIP-UHFFFAOYSA-N n,n-dimethyl-n'-phenylcarbamimidoyl chloride Chemical group CN(C)C(Cl)=NC1=CC=CC=C1 GEMHFKXPOCTAIP-UHFFFAOYSA-N 0.000 claims description 2
- 150000007524 organic acids Chemical class 0.000 claims description 2
- 238000006068 polycondensation reaction Methods 0.000 claims description 2
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 2
- 239000000203 mixture Substances 0.000 abstract description 21
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000032683 aging Effects 0.000 description 20
- 239000007921 spray Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 14
- 239000000843 powder Substances 0.000 description 8
- 238000002360 preparation method Methods 0.000 description 8
- 239000006096 absorbing agent Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 238000005452 bending Methods 0.000 description 6
- 239000002966 varnish Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N monobenzene Natural products C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 241001391944 Commicarpus scandens Species 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000011152 fibreglass Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000001175 rotational moulding Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002932 luster Substances 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000012749 thinning agent Substances 0.000 description 2
- 229920006337 unsaturated polyester resin Polymers 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 description 1
- YSUQLAYJZDEMOT-UHFFFAOYSA-N 2-(butoxymethyl)oxirane Chemical compound CCCCOCC1CO1 YSUQLAYJZDEMOT-UHFFFAOYSA-N 0.000 description 1
- SHKUUQIDMUMQQK-UHFFFAOYSA-N 2-[4-(oxiran-2-ylmethoxy)butoxymethyl]oxirane Chemical compound C1OC1COCCCCOCC1CO1 SHKUUQIDMUMQQK-UHFFFAOYSA-N 0.000 description 1
- WTYYGFLRBWMFRY-UHFFFAOYSA-N 2-[6-(oxiran-2-ylmethoxy)hexoxymethyl]oxirane Chemical compound C1OC1COCCCCCCOCC1CO1 WTYYGFLRBWMFRY-UHFFFAOYSA-N 0.000 description 1
- RNLHGQLZWXBQNY-UHFFFAOYSA-N 3-(aminomethyl)-3,5,5-trimethylcyclohexan-1-amine Chemical compound CC1(C)CC(N)CC(C)(CN)C1 RNLHGQLZWXBQNY-UHFFFAOYSA-N 0.000 description 1
- 229940126062 Compound A Drugs 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 1
- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-UHFFFAOYSA-N 0.000 description 1
- FDLQZKYLHJJBHD-UHFFFAOYSA-N [3-(aminomethyl)phenyl]methanamine Chemical compound NCC1=CC=CC(CN)=C1 FDLQZKYLHJJBHD-UHFFFAOYSA-N 0.000 description 1
- 230000003679 aging effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- YMHQVDAATAEZLO-UHFFFAOYSA-N cyclohexane-1,1-diamine Chemical compound NC1(N)CCCCC1 YMHQVDAATAEZLO-UHFFFAOYSA-N 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 125000005608 naphthenic acid group Chemical group 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 229960001124 trientine Drugs 0.000 description 1
- 238000004018 waxing Methods 0.000 description 1
Images
Landscapes
- Paints Or Removers (AREA)
- Curtains And Furnishings For Windows Or Doors (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention relates to a seamless spherical curtain, comprising a seamless spherical shell and an imaging layer, wherein the seamless spherical shell is provided with an opening; the imaging layer is adhered on the surface of the seamless spherical shell; and the seamless spherical shell is prepared by spraying resin mixture. The seamless spherical curtain can be used for projection equipment at places such as an exhibition hall, a science and technology museum and a bar and the like.
Description
Technical field
The present invention relates to a kind of ball curtain, especially seamless ball curtain.
Background technology
Seamless ball curtain can be applied on places such as large-scale exhibition room, science and technology center, bar and the advertising business.But, bigger, the very difficult control of quality of difficulty that is confined to process seamless ball curtain, some hemisphere and Two bors d's oeuveres ball (two hemisphere are pieced together) are only used at present a lot of places.The whole ball that this method is made has tangible seam, influences drop shadow effect.Also have some seamless balls of making by the mode of rotational moulding, the seamless ball curtain that this rotational moulding method is made is easy to generate flaw, and is relatively more serious as current mark, phenomenons such as bubble, the not enough rounding of spherical shell are arranged.In addition, the rotational moulding method need be made machinery and equipment, and the required equipment cost of superhuge ball curtain (diameter greater than 3 meters ball curtain) is high especially, can't use this method.
Summary of the invention
In view of the above problems, the object of the present invention is to provide a kind of seamless ball curtain, this seamless ball curtain has good image effect.Of the present invention theing contents are as follows:
A kind of seamless ball curtain comprises seamless spherical shell and imaging layer, and described seamless spherical shell has opening, and described imaging layer is attached to seamless spherical shell surface, and described seamless spherical shell is made by the resin compound spraying.
Described resin compound is the unsaturated polyester system, comprises unsaturated polyester, unsaturated monomer, first hardening agent and promoter;
Described first hardening agent is hyperis, cyclohexanone peroxide, methyl ethyl ketone peroxide or benzoyl peroxide;
Described promoter is naphthenic acid, cobalt iso-octoate or tertiary amine.Promoter can fast reaction speed, and addition is adjusted according to solidifying required time.
Described unsaturated polyester is the polycondensation product of unsaturated dicarboxylic acid and polyvalent alcohol, and this moment, described unsaturated monomer was described unsaturated dicarboxylic acid; Perhaps, described unsaturated polyester is one or more the reaction product in unsatured epoxy resin and dicarboxylic acids, the acrylic or methacrylic acid, and this moment, described unsaturated monomer was described unsatured epoxy resin.
Described resin compound is epoxy-resin systems, comprises epoxy resin and second hardening agent;
Described second hardening agent is selected from fatty amine, cycloaliphatic amines, aromatic amine and their modifier, can also be organic acid anhydride class or organic hydrazides.
Described epoxy resin is the monobasic of bisphenol A type epoxy resin, bisphenol f type epoxy resin, bisphenol-A epoxy resin, A Hydrogenated Bisphenol A F type epoxy resin, glycidyl ester type epoxy resin and fatty alcohol or in the polynary glycidol ether one or more.
Described resin compound is the urethane resin system, comprises A component and B component, and described A component is isocyanates, and described B component is polyvalent alcohol or polyamine.
Described isocyanates can be aromatic isocyanate, alicyclic isocyanate, aliphatic isocyanates and modified product thereof or its potpourri;
Described polyvalent alcohol is polyether glycol or polyester polyol;
Described polyamine is fatty amine, cycloaliphatic amines or aromatic amine.
Described unsaturated polyester system also comprises ultraviolet absorber.
Described epoxy-resin systems also comprises defoamer and ultraviolet absorber.
The projection ball's curtain that uses spraying method of the present invention to obtain has following advantage: 1, the surfaces externally and internally of seamless spherical shell is very smooth, does not need to carry out grinding process; 2, the transparency of seamless spherical shell is good, quality is good, qualification rate high (more than 95%); 3, mould can be done very thinly, the demoulding easily; 4, the resin film curing rate is fast, has improved production efficiency widely; 5, the imaging layer that other spray gets on seamless spherical shell is even, can not produce flaws such as current mark, the whole drop shadow effect of improving.In addition, can stop ultraviolet aging action effectively.
Description of drawings
Fig. 1 is the synoptic diagram of each parts in the spherical shell spraying operation;
Fig. 2 is the shape synoptic diagram of bladders.
Reference numeral lists as follows:
The 1-spherical shell; 2-ball mouth; The flange that 3-ball curtain is sheathed.
Embodiment
Below, further specify content of the present invention with embodiment, but protection scope of the present invention is not limited in embodiment.Variation and the modification of other that those skilled in the art is made under the situation that does not deviate from the present invention spirit and protection domain still are included within the protection domain of the present invention.
Embodiment 1:
Pre-treatment: at first, make a whole spherical bladders, smear #8 wax equably with clean cotton on all outer surfaces of bladders, the number of times of waxing is generally smeared twice according to the size of bladders and the effect adjustment of smearing.
Preparation resin compound: get the adjacent benzene type of 1000 weight portions unsaturated polyester resin, add the promoter (cobalt iso-octoate) of 1 weight portion and the hardening agent (cyclohexanone peroxide) of 1 weight portion earlier, stir.
Promoter also can be selected cobalt naphthenate or tertiary amine for use, and hardening agent also can be selected hyperis, benzoyl peroxide or methyl ethyl ketone peroxide etc. for use.
Add ultraviolet absorber 5 weight portions, to delay the xanthochromia speed of resin system.
The ratio of above-mentioned each component changes and can change according to seasonal variations or room temperature, also can adjust the ratio of each component according to the requirement of curing rate.
The spraying operation: the equatorial direction along bladders sprays the above-mentioned resin compound for preparing equably earlier, spray equably one time perpendicular to equatorial direction then, make the outside surface of whole bladders cover one deck resin compound equably (about the direction of spray ball, the operator can adjust voluntarily, as long as can reach the requirement that the resin compound of spraying is evenly distributed).After the resin of last spraying solidifies fully, repeat the spraying operation again, so for several times, reach weight or the thickness of expection until the resin of spraying.
Mounting flange: 1, the bladders with the ball mouth place of spherical shell cuts, and makes a fiberglass stiffening ring close with the ball mouth diameter of spherical shell, stiffening ring is installed to the ball mouth inner face of spherical shell with above-mentioned resin compound.2, do a fiberglass flange with the flange mould, outside surface can be used the black gel coat.3, with adjacent benzene type unsaturated polyester resin, promoter (cobalt iso-octoate) and talcum powder modulating mixture, add an amount of hardening agent (cyclohexanone peroxide) at last, be filled in the inboard of fiberglass ring flange after stirring rapidly, be put into the ball mouth in the flange exactly then, lightly spherical shell is down pressed, made unnecessary potpourri overflow.After the potpourri of ball mouth parched fully, the potpourri that the ball mouth is unnecessary was removed, and polishes smooth.
Stripping operation a: crack is pried open from spherical shell in the bladders edge with thin blade; Fill at leisure in the crack with Steel Ruler, make to produce a space between bladders and the spherical shell, in the position at Steel Ruler place bladders is cut an openning with cutting machine; Steel Ruler is released carefully, get other local repetitive operations repeatedly, until bladders is cut into multi-disc.The bladders of chopping is pulled out in spherical shell carefully, and the surfaces externally and internally of spherical shell is rinsed well and wiped clean.If inside surface has significantly cut, can use #360 respectively, cut is got rid of in the sand papering of #600.
Also can remove halation by the following method in case of necessity: will make lac varnish (volume ratio of thinning agent and mute lac varnish is 1: 3) accent mute evenly with thinning agent, spray mute lac varnish with clean spray gun equably at the inside surface of spherical shell, after dispersing Deng coating cloud, be put on the testing jig and test, if also have halation phenomenon, continue in that the mute lac varnish of place spray of halation is arranged, until eliminating halation fully.
Spraying imaging layer: obtain potpourri with light varnish conditioning function powder, proportioning is 1 gram function powder (granularity is about 1 micron titania powder): 6 milliliters of light varnish, with mulser the potpourri emulsify at a high speed was sheared about 5 minutes, with the complete wiped clean of the outside surface of spherical shell, the potpourri of described emulsify at a high speed is sprayed to equably the outside surface of spherical shell with dust removing cloth with spray gun; After the surface done substantially, spray contained the aforementioned potpourri of function powder again.The spraying number of times depends on the size of spherical shell and the weight of spraying the function powder; After the outer surface drying, spherical shell is put on the testing jig tests, if also have the phenomenon of light leak, also will continue to spray the function powder, until imaging evenly and do not have light leakage phenomena fully, obtain seamless ball curtain.
Embodiment 2:
Pre-treating method is with embodiment 1.
Preparation epoxy resin composition A:
Liquid bisphenol A type epoxy resin 400 weight portions;
Liquid bisphenol f type epoxy resin 250 weight portions;
1,4 butanediol diglycidyl ether, 50 weight portions;
Fully mix and obtain resin compound A.
Preparation curing agent mixture B:
M-xylene diamine 100 weight portions;
Triethylene tetramine 20 weight portions;
Polyetheramine 60 weight portions;
Fully mix and obtain curing agent mixture B.
Get 700 parts by weight resin potpourri A, add the curing agent mixture B of 300 weight portions, add the defoamer of 20 weight portions again, stir.
In above-mentioned system, add ultraviolet absorber 5 weight portions, obtain target mixture, to delay the xanthochromia speed of resin system.
The spraying operation: method of operating is identical with embodiment 1, different is, need ball is heated down at 55～65 ℃ after the target mixture of bladders spraying present embodiment, be heating and curing etc. repeating the spraying operation after the target mixture curing again, delivering to then under the aforementioned temperature scope.Like this repeated multiple times reaches weight or the thickness of expection until the resin of spraying.
Stripping operation is identical with embodiment 1 with the operation of spraying imaging layer.
Embodiment 3:
Method of operating is identical with embodiment 1, and the prescription difference of the resin compound of the preparation that difference is is as follows:
Unsaturated polyester 1000 weight portions;
Ultraviolet absorber 3 weight portions;
Promoter 2 weight portions;
Hardening agent 2 weight portions.
Annotate: the addition of hardening agent and promoter determines the curing rate of resin.Add 2 weight portion hardening agent and promoter, the operating environment that suitable temperature is lower (be lower than room temperature, be higher than 10 degrees centigrade).
Embodiment 4:
Method of operating is identical with embodiment 2, and different is the prescription difference of the resin compound of preparation, as follows:
Epoxy resin composition:
Liquid bisphenol A type epoxy resin 500 weight portions;
Bisphenol-A epoxy resin 240 weight portions;
Butyl glycidyl ether 60 weight portions.
Curing agent mixture:
Cyclohexanediamine 100 weight portions;
Diethylenetriamine 30 weight portions;
Polyetheramine 70 weight portions;
Ultraviolet absorber 3 weight portions.
Embodiment 5:
Method of operating is identical with embodiment 1, and the prescription difference of the resin compound of the preparation that difference is is as follows:
Unsaturated polyester 1000 weight portions;
Ultraviolet absorber 4 weight portions;
Promoter 1.5 weight portions;
Hardening agent 1.5 weight portions;
Annotate: the amount of hardening agent and promoter, the curing rate of decision resin.The hardening agent and the promoter that add 1.5 weight portions, the operating environment of suitable room temperature.
Embodiment 6:
Method of operating is identical with embodiment 2, and the prescription difference of the resin compound of the preparation that difference is is as follows:
Epoxy resin composition:
Bisphenol f type epoxy resin 550 weight portions;
Bisphenol-A epoxy resin 100 weight portions;
1,6 hexanediol diglycidyl ether, 50 weight portions;
Curing agent mixture:
Isophorone diamine 100 weight portions;
Methylpent diamines 80 weight portions;
Polyetheramine 70 weight portions;
Ultraviolet absorber 4 weight portions;
Embodiment 7:
Method of operating is identical with embodiment 2, and the prescription difference of the resin compound of the preparation that difference is is as follows:
Polyether glycol 200 weight portions;
Polyester polyol 300 weight portions;
Modification alicyclic isocyanate 500 weight portions
Ultraviolet absorber 3.5 weight portions;
The evaluation that is coated with rete of the seamless ball curtain (projection ball) that embodiment 1,3 and 5 obtains is as follows:
Embodiment 1 medium ultraviolet absorbing agent weight portion is 5, because ultraviolet absorber is originally as pale yellow powder, if addition is crossed the color that senior general influences resin compound.This addition (5 weight portion) can guarantee the ball curtain in the aging speed control in early stage (in 2 years) 3% to 5%, and the speed aging in the later stage can slow down gradually.The weight portion of promoter and hardening agent all is 1, and the curing rate of resin compound is slow at normal temperatures, estimates just can solidify in 20 minutes.Better at hot (the perhaps higher operating environment of the temperature) operating effect in summer of weather so should fill a prescription.Projection ball's material that this prescription is made is more transparent.Anti-strike capability preferably: 4～7Nm/m2 is arranged, stronger tensile strength/Mpa:10～20 are arranged, relatively poor bending strength/MPa:3～7.
Embodiment 3 medium ultraviolet absorbing agent weight portions are 3, join the color that does not influence resin in the resin substantially.In addition, the projection ball of spray still has the ability of stronger anti-ultraviolet aging, can guarantee the ball curtain in the aging speed control in early stage (in 2 years) 3% to 5%, and the speed aging in the time of back can slow down gradually.Promoter and hardening agent weight portion all are 2, and resin just has very fast curing rate at normal temperatures, estimate will solidify in about 5 minutes.So this prescription only is used in weather colder winter.Projection ball's material that this prescription is made is more transparent.Anti-strike capability preferably: 4～7Nm/m is arranged
2, stronger tensile strength/Mpa:10～20 are arranged, relatively poor bending strength/MPa:3～7.
Embodiment 5 medium ultraviolet absorbing agent weight portions are 4.Substantially do not influence the color of resin compound.There is the ability of very strong anti-ultraviolet aging in the projection ball of spray this moment, can guarantee the ball curtain in the aging speed control in early stage (in 2 years) 3% to 5%, and the speed aging in the later stage can slow down gradually.Promoter and hardening agent weight portion all are 1.5, and the fixed line speed of resin compound is at normal temperatures than moderate, estimate just can solidify in 7～8 minutes.So should nice and cool spring and autumn operate better at weather by prescription.Projection ball's material that this prescription is made is more transparent.Anti-strike capability preferably: 4～7Nm/m is arranged
2, stronger tensile strength/Mpa:10～20 are arranged, relatively poor bending strength/MPa:3～7.
The evaluation of the image effect of the seamless ball curtain (projection ball) that embodiment 1,3 and 5 obtains is as follows:
The transparency of the seamless ball curtain that this method is made is fine, and transmitance reaches more than 80%; Imaging is clear; Better 300: 1 of contrast, visual angle are 120 degree; Color and luster is more even.
The evaluation that is coated with rete of the seamless ball curtain (projection ball) that embodiment 2,4,6 and 7 obtains is as follows:
Embodiment 2 medium ultraviolet absorbing agent weight portions are 5.Because ultraviolet absorber is originally as pale yellow powder, if add again, the color of resin compound will be influenced, there is the ability of strong especially anti-ultraviolet aging in the projection ball of spray this moment, can guarantee the ball curtain in the aging speed control in early stage (in 2 years) 3% to 5%, and the speed aging in the time of back can slow down gradually.Epoxy resin composition 800 weight portions+curing agent mixture 200 weight portions.The spherical shell that this prescription is made has good plasticity, is not easy to break.But hardness can descend to some extent.If increase the amount of Resin A material again, will change the characteristic of resin, make that the spherical shell of producing is very soft, environment temperature is higher a little will be out of shape.Anti-strike capability preferably: 10～14Nm/m is arranged
2, tensile strength/Mpa:46～70, bending strength/MPa:90.0～120.0, compressive strength/MPa:87.0～174.0.
Embodiment 4 medium ultraviolet absorbing agent weight portions are 3, do not influence the color of resin compound, the projection ball of spray this moment still has the ability of stronger anti-ultraviolet aging, can guarantee the ball curtain in the aging speed control in early stage (in 2 years) 3% to 5%, and the speed aging in the later stage can slow down gradually.Epoxy resin composition 700 weight portions+curing agent mixture 300 weight portions.The spherical shell that this prescription is made, plasticity descends to some extent, and is slightly somewhat crisp, is not suitable for colder that use winter again.If increase the amount of Resin A material again, will change the characteristic of resin, make that the spherical shell of producing is very crisp, break easily.Anti-strike capability preferably: 10～14Nm/m2 is arranged, tensile strength/Mpa:46～70, bending strength/MPa:90.0～120.0, compressive strength/MPa:87.0～174.0.
Embodiment 6 medium ultraviolet absorbing agent weight portions are 4.Substantially do not influence the color of resin compound, there is the ability of stronger anti-ultraviolet aging in the projection ball of spray this moment, can guarantee the ball curtain in the aging speed control in early stage (in 2 years) 3% to 5%, and the speed aging in the time of back can slow down gradually.Epoxy resin composition 700 weight portions+curing agent mixture 300 weight portions.The spherical shell that this prescription is produced has plasticity preferably, is not easy to break, and better hardness is also arranged simultaneously.Anti-strike capability preferably: 10～14Nm/m2 is arranged, tensile strength/Mpa:46～70, bending strength/MPa:90.0～120.0, compressive strength/MPa:87.0～174.0.
Embodiment 7 medium ultraviolet absorbing agent weight portions are 3.5.Substantially do not influence the color of resin compound, there is the ability of stronger anti-ultraviolet aging in the projection ball of spray this moment, can guarantee the ball curtain in the aging speed control in early stage (in 2 years) 3% to 5%, and the speed aging in the time of back can slow down gradually.Polyether glycol 200 weight portions, polyester polyol 300 weight portions, modification alicyclic isocyanate 500 weight portions.The spherical shell that this prescription is produced has plasticity preferably, is not easy to break, and better hardness is also arranged simultaneously; In the high environment of humidity, bubble appears in spherical shell easily.Superpower anti-strike capability: 10～26Nm/m2 is arranged, tensile strength/Mpa:43～70.
The evaluation of the image effect of the seamless ball curtain (projection ball) that above-described embodiment 2,4,6 and 7 obtains is as follows:
The transparency of the seamless ball curtain that this method is made is fine, and transmitance reaches more than 80%; Imaging is clear; Better 300: 1 of contrast; The visual angle is about 120 degree; Color and luster is more even.
Claims (9)
1. a seamless ball curtain is characterized in that, comprises seamless spherical shell and imaging layer, and described seamless spherical shell has opening, and described imaging layer is attached to seamless spherical shell surface, and described seamless spherical shell is made by the resin compound spraying.
2. seamless ball curtain according to claim 1 is characterized in that described resin compound is the unsaturated polyester system, comprises unsaturated polyester, unsaturated monomer, first hardening agent and promoter;
Described first hardening agent is hyperis, cyclohexanone peroxide, methyl ethyl ketone peroxide or benzoyl peroxide;
Described promoter is cobalt naphthenate, cobalt iso-octoate or tertiary amine.
3. seamless ball curtain according to claim 2 is characterized in that, described unsaturated polyester is the polycondensation product of unsaturated dicarboxylic acid and polyvalent alcohol, and this moment, described unsaturated monomer was described unsaturated dicarboxylic acid; Perhaps, described unsaturated polyester is one or more the reaction product in unsatured epoxy resin and dicarboxylic acids, the acrylic or methacrylic acid, and this moment, described unsaturated monomer was described unsatured epoxy resin.
4. seamless ball curtain according to claim 1 is characterized in that described resin compound is epoxy-resin systems, comprises epoxy resin and second hardening agent;
Described second hardening agent is selected from fatty amine, cycloaliphatic amines, aromatic amine and their modifier, can also be organic acid anhydride class or organic hydrazides.
5. seamless ball curtain according to claim 4, it is characterized in that described epoxy resin is the monobasic of bisphenol A type epoxy resin, bisphenol f type epoxy resin, bisphenol-A epoxy resin, A Hydrogenated Bisphenol A F type epoxy resin, glycidyl ester type epoxy resin and fatty alcohol or in the polynary glycidol ether one or more.
6. seamless ball curtain according to claim 1 is characterized in that described resin compound is the urethane resin system, comprises A component and B component, and described A component is isocyanates, and described B component is polyvalent alcohol or polyamine.
7. seamless ball curtain according to claim 6 is characterized in that, described isocyanates can be aromatic isocyanate, alicyclic isocyanate, aliphatic isocyanates and modified product thereof or its potpourri;
Described polyvalent alcohol is polyether glycol or polyester polyol;
Described polyamine is fatty amine, cycloaliphatic amines or aromatic amine.
8. seamless ball curtain according to claim 2 is characterized in that, described unsaturated polyester system also comprises ultraviolet absorber.
9. seamless ball curtain according to claim 4 is characterized in that described epoxy-resin systems also comprises defoamer and ultraviolet absorber.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104950563A (en) * | 2015-03-30 | 2015-09-30 | 王建明 | Multichannel-projection aiming-training hemispherical-screen system, and manufacture method and application thereof |
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| CN101880443A (en) * | 2010-07-08 | 2010-11-10 | 株洲时代新材料科技股份有限公司 | Low-viscosity epoxy resin system for resin transfer molding and preparation and using method thereof |
| CN102806620A (en) * | 2011-06-03 | 2012-12-05 | 赵东林 | Manufacturing method for seamless projection spherical curtain and manufacturing device thereof |
| CN103091963A (en) * | 2011-10-27 | 2013-05-08 | 无锡羿飞科技有限公司 | Manufacturing method for seamless ball screen |
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2013
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Patent Citations (4)
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|---|---|---|---|---|
| CN1053248A (en) * | 1990-01-12 | 1991-07-24 | 陶氏化学公司 | Inhibitor concentrate and can stablize the unsaturated thermosetting resin and the solidified product of storage |
| CN101880443A (en) * | 2010-07-08 | 2010-11-10 | 株洲时代新材料科技股份有限公司 | Low-viscosity epoxy resin system for resin transfer molding and preparation and using method thereof |
| CN102806620A (en) * | 2011-06-03 | 2012-12-05 | 赵东林 | Manufacturing method for seamless projection spherical curtain and manufacturing device thereof |
| CN103091963A (en) * | 2011-10-27 | 2013-05-08 | 无锡羿飞科技有限公司 | Manufacturing method for seamless ball screen |
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| CN104950563A (en) * | 2015-03-30 | 2015-09-30 | 王建明 | Multichannel-projection aiming-training hemispherical-screen system, and manufacture method and application thereof |
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