CN102675831A - High-weather-resistance and high-strength SMC (Super Multi-Coating) material as well as preparation method and application thereof - Google Patents
High-weather-resistance and high-strength SMC (Super Multi-Coating) material as well as preparation method and application thereof Download PDFInfo
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Abstract
The invention discloses a high-weather-resistance and high-strength SMC (Super Multi-Coating) material as well as a preparation method and an application of the high-weather-resistance and high-strength SMC material. The SMC material comprises 60-100 of vinyl resin, 60-140 of carbon fiber, 30-50 of a low shrinkage agent, 130-230 of an inorganic mineral filler, 1-3 of an antioxidant, 1-5 of UV (Ultraviolet) absorbent, 1-4 of a curing agent, 1-5 of a thickening agent and 2-10 of a de-molding agent. According to the invention, the antioxidant, the UV absorbent and the filler are added so that the material has excellent weather resistance and the mechanical strength of the material is improved. The obtained SMC material can be used to the outdoor field with aging-resisting requirement, such as a solar battery framework.
Description
Technical field
The present invention relates to the sheet molding compound field of materials, especially a kind of high weather-proof, high-strength SMC material and preparation method thereof and using.
Background technology
Plastic material is exposed to that performance can degenerate in time under the natural environmental condition.Aging and the anti-aging of research plastic material is a very actual problem, also is a very complicated problems.Plastic material is in processing, storage and use, owing to receive the comprehensive action of internal and external factor, its performance degenerates gradually, so that last forfeiture use value, and this is a kind of irreversible variation, and it is the common fault of macromolecular material.But be to take suitable anti-aging measure through the research to the plastic material weathering process, improve the ageing-resistant performance of material, the speed of delaying retrogradation is to reach the purpose that increases the service life.Prevent the aged measure, one is carried out chemical modification to macromolecular structure itself.Next is in the synthetic materials course of processing, to add anti-aging agent, prevents that like interpolation oxygen or ozone from causing aged oxidation inhibitor, adds UV light stabilizing agent, thermo-stabilizer, mould inhibitor, or the like.Once more, can also use the method for physical protection, like japanning, metallizing, dip-coating anti-aging agent solution etc.In a word, the aging and age inhibiting research to polymkeric substance is a significant problem of polymer science and technology.Select monomer, improving aspects such as processing polymerization method, interpolation anti-aging agent, protection product surface, though obtained remarkable achievement, but still can not satisfy request for utilization.When using macromolecule material product, also to note protection, aging to delay it.
The aged reason takes place SMC material (being sheet molding compound) is coming off of hydroxyl etc. on the unsaturated double-bond, side chain, carbonyl, end in the employed unsaturated polyester fracture, the group that issue biochemical key at environmental activities such as sunlight, oxygen, heat, water, mechanical stress, high-energy radiations etc., goods generation powder phenomenon-tion is reduced or loses corresponding performance.
Summary of the invention
In order to overcome the problem that prior art exists, the purpose of this invention is to provide a kind of high weather-proof, high-strength SMC material and preparation method thereof and use.SMC material weather resistance of the present invention is strong, has high-intensity characteristic simultaneously.Mainly be to give material excellent weather resistance, improved the physical strength of material through adding oxidation inhibitor, UV UV light absorber and filler.The SMC material that obtains can be used for the outdoor age inhibiting field that requires, like solar cell framework etc.
The objective of the invention is to realize through following technical scheme:
A kind of high weather-proof, high-strength SMC material, it is characterized in that: said SMC material contains the component of following weight fraction ratio: Vinylite 60-100, thomel 60-140, shrinking agent 30-50, inorganic mineral filler 130-230, oxidation inhibitor 1-3, UV absorption agent 1-5, solidifying agent 1-4, thickening material 1-5, releasing agent 2-10; Said Vinylite is the epoxy vinyl resin; Said inorganic mineral filler is the alumag of different meshes; Said oxidation inhibitor is phosphite ester kind antioxidant; Said UV absorption agent is one or more in salicylate class, benzophenone class, benzotriazole category, group-substituted acrylonitrile, triazines and the hindered amines UV light absorber.
Said shrinking agent is any among PVAc, PS or the PMMA.Said solidifying agent is TBPB or TBPB and TBPO composite initiation system, and wherein the weight proportion of TBPB and TBPO is 0.6-0.9:0.1-0.4; Said releasing agent is any one in Zinic stearas or the calcium stearate.
For improving performance, said SMC material also contains wet dispersion agent 1-4, and said wetting dispersing agent is the multipolymer that contains acid group.Said SMC material also contains coupling agent 1-5, and coupling agent is the response type coupling agent that contains styryl.
A kind of high weather-proof, high-strength SMC preparation methods is characterized in that: this method comprises resin paste preparation and sheet forming twice technology, and is specific as follows:
(1) earlier Vinylite, shrinking agent, inorganic mineral filler, oxidation inhibitor, UV absorption agent, wetting dispersing agent, coupling agent, solidifying agent, thickening material, releasing agent are dispersed into uniform resin paste with high speed dispersor;
(2) with scattered resin paste through on the uniform blade coating to two of the sheet material machine nylon membrane, the long filament thomel is cut into a short silk thomel and evenly falls simultaneously, in the middle of the nylon membrane that scribbles resin paste up and down is pressed in thomel, has formed a kind of " sandwich " structure;
(3) " sandwich " structure is through Dilvar zone, and resin paste and thomel fully squeeze the back rolling, puts into drying room to sheet material at last and carries out slaking to setting viscosity, obtains high weather-proof, high-strength SMC material.
Said UV absorption agent is one or more in salicylate class, benzophenone class, benzotriazole category, group-substituted acrylonitrile, triazines and the hindered amines UV light absorber.
A kind of high weather-proof, high-strength SMC material can be used on the solar cell framework in the application in outdoor anti-aging field.
The present invention can improve SMC material weather resistance, has high-intensity characteristic simultaneously.Mainly be to give material excellent weather resistance through adding oxidation inhibitor, UV UV light absorber and filler selection.Discover a kind of method effect of simple usefulness and not obvious, have only kind and the addition of choosing to oxidation inhibitor and UV UV light absorber, the composite use of several kinds of auxiliary agents could be realized excellent weather resistance.And through selecting for use white lake as filler, through adding the filler of different meshes, apply materials filler grating technology also can improve the weather resistance of material.
In order to improve the weather resistance of material, mainly be to give material excellent weather resistance through adding oxidation inhibitor, UV UV light absorber and filler selection; Adopt the composite use of oxidation inhibitor and UV UV light absorber to realize excellent weather resistance; And through selecting for use white lake as filler, through adding the filler of different meshes, apply materials filler grating technology improves the weather resistance of material.In order to improve the intensity of SMC material, can increase the use of fortifying fibre, but the fibre weight enhancing can be soaked into the bad mechanical property that reduces on the contrary.The present invention replaces spun glass with thomel, and the method that adds the wetting dispersing agent and the response type coupling agent of band styrene group can make the machinery of material newly can reach best.The adding of wetting dispersing agent reduces the viscosity of resin paste, makes thomel more easily by abundant infiltration.The response type coupling agent of band styrene group can play the effect of building bridge and being connected at inanimate matter material and organic storeroom except normal coupling agent.Owing to contain vinyl-functional in its structure, in the material cured process can with resin or styrene monomer polymerization, increased bonding force between the two greatly.Through the reaction of coupling agent styryl and middle unsaturated link(age), improve the conjugation of spun glass and resin, improved the physical strength of material.
SMC material weather resistance of the present invention is strong, has high-intensity characteristic simultaneously.The SMC material that obtains can be used for the outdoor age inhibiting field that requires, like solar cell framework etc.
Description of drawings
The SMC tensile strength of material that Fig. 1-the 1st, the present invention obtain is with the test-results graphic representation of xenon lamp irradiation time.
Fig. 1-2 is the test-results graphic representation of the SMC material impact intensity that obtains of the present invention with the xenon lamp irradiation time.
The SMC tensile strength of material that Fig. 2-the 1st, comparative example obtain is with the test-results graphic representation of xenon lamp irradiation time.
The SMC material impact intensity that Fig. 2-the 2nd, comparative example obtain is with the test-results graphic representation of xenon lamp irradiation time.
Embodiment
Embodiment 1:
A kind of high weather-proof, high-strength SMC material; Its starting material are formed by weight, and mark is: Vinylite 65, thomel 105, PVAc low shrink resin 35, inorganic mineral filler are that white lake 1200 orders 50 and white lake 1500 orders 50 and white lake 2000 orders 60, oxidation inhibitor are two (2; The 4-di-tert-butyl-phenyl) pentaerythritol diphosphites 2, UV absorption agent be 2-(2 '-hydroxyl-3 ', 5 '-di-tert-butyl-phenyl)-5-chlorinated benzotriazole 3, wetting dispersing agent are that BYK-9010 1.5, coupling agent are that DOW CORNING Z-6032 2, solidifying agent are that TBPB 1 and TBPO 0.43, thickening material are that Natural manganese dioxide 2, releasing agent are Zinic stearas 4.
With above-mentioned Vinylite, white lake, two (2, the 4-di-tert-butyl-phenyl) pentaerythritol diphosphites, 2-(2 '-hydroxyl-3 ', 5 '-di-tert-butyl-phenyl)-5-chlorinated benzotriazole, BYK-9010, DOW CORNING Z-6032, TBPB, TBPO, Zinic stearas press formula ratio and drop in the high speed shear mixing machine and fully stir; Rotating speed is controlled at 1000rpm, stirs 8 minutes, drops into the Natural manganese dioxide thickening material rapidly; High-speed stirring 1 minute; Promptly shift two storages that are discarded to the SMC unit fast and stick with paste in the groove, the upper and lower polyvinylidene film of walking evenly is coated with and applies the thick resin paste of 2mm, and continuous carbon fibre switches to group through circle and is cut into 24mm length; Chopped carbon fiber evenly is scattered in lower-layer resin and pastes over; Through pressure roll, resin paste and fiber are soaked into mix one, again through the milling roller excluding air; Wrap-up coiled SMC volume; Get into 40 ℃ of curing chambers then and carry out fast thickening, after 45 hours, reach resin and fully soak into thomel, promptly accomplish the preparation of high weather-proof, high-strength SMC material.
The excellent electromagnetic wave shielding performance high-strength carbon fibre that present embodiment makes strengthens sheet molding compound; Adopt GB/16422.2-1999 that material is carried out the xenon arc lamp burn-in test; Tensile strength is with test-results such as Fig. 1-1 of xenon lamp irradiation time, and shock strength is with test-results such as Fig. 1-2 of xenon lamp irradiation time.
High weather-proof, high-strength SMC material that present embodiment makes are used for the solar cell framework.
The comparative example:
A kind of high weather-proof, high-strength SMC material does not contain oxidation inhibitor and UV absorption agent, and inorganic mineral filler is single white lake 1500 orders; Its starting material are formed by weight, and mark is: Vinylite 65, thomel 105, PVAc low shrink resin 35, inorganic mineral filler are that white lake 1500 orders 160, wetting dispersing agent are that BYK-9010 1.5, coupling agent are that DOW CORNING Z-6032 2, solidifying agent are that TBPB 1 and TBPO 0.43, thickening material are that Natural manganese dioxide 2, releasing agent are Zinic stearas 4.
With above-mentioned Vinylite, white lake, two (2, the 4-di-tert-butyl-phenyl) pentaerythritol diphosphites, 2-(2 '-hydroxyl-3 ', 5 '-di-tert-butyl-phenyl)-5-chlorinated benzotriazole, BYK-9010, DOW CORNING Z-6032, TBPB, TBPO, Zinic stearas press formula ratio and drop in the high speed shear mixing machine and fully stir; Rotating speed is controlled at 1000rpm, stirs 8 minutes, drops into the Natural manganese dioxide thickening material rapidly; High-speed stirring 1 minute; Promptly shift two storages that are discarded to the SMC unit fast and stick with paste in the groove, the upper and lower polyvinylidene film of walking evenly is coated with and applies the thick resin paste of 2mm, and continuous carbon fibre switches to group through circle and is cut into 24mm length; Chopped carbon fiber evenly is scattered in lower-layer resin and pastes over; Through pressure roll, resin paste and fiber are soaked into mix one, again through the milling roller excluding air; Wrap-up coiled SMC volume; Get into 40 ℃ of curing chambers then and carry out fast thickening, after 45 hours, reach resin and fully soak into thomel, promptly accomplish the preparation of a kind of high weather-proof, high-strength SMC material of the present invention.
The excellent electromagnetic wave shielding performance high-strength carbon fibre that present embodiment makes strengthens sheet molding compound; Adopt GB/16422.2-1999 that material is carried out the xenon arc lamp burn-in test; Tensile strength is with test-results such as Fig. 2-1 of xenon lamp irradiation time, and shock strength is with test-results such as Fig. 2-2 of xenon lamp irradiation time.
Through embodiment 1 and comparative example's relatively discovery, through behind 10000 hours xenon arc lamp burn-in tests, the tensile strength of embodiment 1 is much higher than embodiment with the shock strength comparison equally
Embodiment 2:
Only composition is different with embodiment 1 for embodiment 2.Another height is weather-proof, the high-strength SMC material; Its starting material are formed by weight, and mark is: Vinylite 100, thomel 140, PVAc low shrink resin 50, inorganic mineral filler are that white lake 1200 orders 30 and white lake 1500 orders 100 and white lake 2000 orders 100, oxidation inhibitor are two (2; The 4-di-tert-butyl-phenyl) pentaerythritol diphosphites 3, UV absorption agent be 2-(2 '-hydroxyl-3 ', 5 '-di-tert-butyl-phenyl)-5-chlorinated benzotriazole 5, wetting dispersing agent are that BYK-9010 2, solidifying agent are that TBPB 2 and TBPO 2, thickening material are that Natural manganese dioxide 4, releasing agent are Zinic stearas 10.
Embodiment 3:
Only composition is different with embodiment 1 for embodiment 3.Another height is weather-proof, the high-strength SMC material; Its starting material are formed by weight, and mark is: Vinylite 80, thomel 80, PVAc low shrink resin 30, inorganic mineral filler are that white lake 1200 orders 80 and white lake 1500 orders 80 and white lake 2000 orders 50, oxidation inhibitor are two (2; The 4-di-tert-butyl-phenyl) pentaerythritol diphosphites 1, UV absorption agent be 2-(2 '-hydroxyl-3 ', 5 '-di-tert-butyl-phenyl)-5-chlorinated benzotriazole 2, coupling agent are that DOW CORNING Z-6032 2, solidifying agent are that TBPB 2 and TBPO 2, thickening material are that Natural manganese dioxide 2, releasing agent are Zinic stearas 8.
SMC material weather resistance of the present invention is strong, has high-intensity characteristic simultaneously.The SMC material that obtains can be used for the outdoor age inhibiting field that requires, like solar cell framework etc.
Claims (8)
1. one kind high weather-proof, high-strength SMC material, it is characterized in that: said SMC material contains the component of following weight fraction ratio: Vinylite 60-100, thomel 60-140, shrinking agent 30-50, inorganic mineral filler 130-230, oxidation inhibitor 1-3, UV absorption agent 1-5, solidifying agent 1-4, thickening material 1-5, releasing agent 2-10; Said Vinylite is the epoxy vinyl resin; Said inorganic mineral filler is the alumag of different meshes; Said oxidation inhibitor is phosphite ester kind antioxidant; Said UV absorption agent is one or more in salicylate class, benzophenone class, benzotriazole category, group-substituted acrylonitrile, triazines and the hindered amines UV light absorber.
2. weather-proof, the high-strength SMC material of height according to claim 1 is characterized in that: said shrinking agent is any among PVAc, PS or the PMMA.
3. weather-proof, the high-strength SMC material of height according to claim 1 is characterized in that: said solidifying agent is TBPB or TBPB and TBPO composite initiation system, and wherein the weight proportion of TBPB and TBPO is 0.6-0.9:0.1-0.4; Said releasing agent is any one in Zinic stearas or the calcium stearate.
4. weather-proof, the high-strength SMC material of height according to claim 1 is characterized in that: said SMC material also contains wetting dispersing agent 1-4, and said wetting dispersing agent is the multipolymer that contains acid group.
5. weather-proof, the high-strength SMC material of height according to claim 1 is characterized in that: said SMC material also contains coupling agent 1-5, and coupling agent is the response type coupling agent that contains styryl.
6. weather-proof, high-strength SMC preparation methods of the said height of claim 1 is characterized in that: this method comprises resin paste preparation and sheet forming twice technology, and is specific as follows:
(1) earlier Vinylite, shrinking agent, inorganic mineral filler, oxidation inhibitor, UV absorption agent, wetting dispersing agent, coupling agent, solidifying agent, thickening material, releasing agent are dispersed into uniform resin paste with high speed dispersor;
(2) with scattered resin paste through on the uniform blade coating to two of the sheet material machine nylon membrane, the long filament thomel is cut into a short silk thomel and evenly falls simultaneously, in the middle of the nylon membrane that scribbles resin paste up and down is pressed in thomel, has formed a kind of " sandwich " structure;
(3) " sandwich " structure is through Dilvar zone, and resin paste and thomel fully squeeze the back rolling, puts into drying room to sheet material at last and carries out slaking to setting viscosity, obtains high weather-proof, high-strength SMC material.
7. weather-proof, the high-strength SMC material of the said height of claim 1 is in the application in outdoor anti-aging field.
8. height according to claim 7 is weather-proof, the high-strength SMC material is used for the solar cell framework.
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Cited By (11)
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| CN103540104A (en) * | 2013-10-23 | 2014-01-29 | 江苏兆鋆新材料科技有限公司 | Graphene oxide reinforced vinyl ester composite material and preparation method thereof |
| CN103724959A (en) * | 2014-01-08 | 2014-04-16 | 无锡新宏泰电器科技股份有限公司 | BMC (Bulk Moulding Compound) material with weather resistance and preparation method of BMC material |
| CN103849119A (en) * | 2012-12-06 | 2014-06-11 | 禹州市远大塑料电器有限责任公司 | High-heat-resistance and low-expansion-coefficient carbon fiber vinyl ester composite material and preparation method thereof |
| CN104017334A (en) * | 2014-06-20 | 2014-09-03 | 江苏兆鋆新材料股份有限公司 | High-modulus sheet molding compound (SMC) and production method thereof |
| CN104104321A (en) * | 2013-04-09 | 2014-10-15 | 孙文郁 | Plastic frame, solar photovoltaic module provided with plastic frame and manufacturing methods thereof |
| CN104945812A (en) * | 2015-07-22 | 2015-09-30 | 江苏兆鋆新材料股份有限公司 | Preparation method of core-shell rubber toughening BMC material |
| CN105907046A (en) * | 2016-05-17 | 2016-08-31 | 刘良成 | SMC (sheet molding compound) material and preparation method thereof |
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| CN106674954A (en) * | 2016-12-10 | 2017-05-17 | 宁国市大荣电器有限公司 | Anti-aging capacitor plastic shell and preparation method thereof |
| CN108396644A (en) * | 2017-12-18 | 2018-08-14 | 河北恒瑞复合材料有限公司 | A kind of SMC composite materials and the walkway system using the material |
| CN109721952A (en) * | 2017-10-31 | 2019-05-07 | 江苏创曦复合材料科技有限公司 | A kind of ageing-resistant composite resin formula suitable for pultrude process |
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| CN103849119B (en) * | 2012-12-06 | 2016-08-24 | 禹州市远大塑料电器有限责任公司 | High heat resisting low expansion coefficient carbon fiber vinyl ester composites and preparation method |
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| CN104104321A (en) * | 2013-04-09 | 2014-10-15 | 孙文郁 | Plastic frame, solar photovoltaic module provided with plastic frame and manufacturing methods thereof |
| CN103540104A (en) * | 2013-10-23 | 2014-01-29 | 江苏兆鋆新材料科技有限公司 | Graphene oxide reinforced vinyl ester composite material and preparation method thereof |
| CN103724959A (en) * | 2014-01-08 | 2014-04-16 | 无锡新宏泰电器科技股份有限公司 | BMC (Bulk Moulding Compound) material with weather resistance and preparation method of BMC material |
| CN104017334A (en) * | 2014-06-20 | 2014-09-03 | 江苏兆鋆新材料股份有限公司 | High-modulus sheet molding compound (SMC) and production method thereof |
| CN104945812A (en) * | 2015-07-22 | 2015-09-30 | 江苏兆鋆新材料股份有限公司 | Preparation method of core-shell rubber toughening BMC material |
| CN105907046A (en) * | 2016-05-17 | 2016-08-31 | 刘良成 | SMC (sheet molding compound) material and preparation method thereof |
| CN106046732A (en) * | 2016-05-27 | 2016-10-26 | 江苏兆鋆新材料股份有限公司 | Preparation method and application of low-density, high-flame-retardant, high-weatherability bulk molding compounds |
| CN106674954A (en) * | 2016-12-10 | 2017-05-17 | 宁国市大荣电器有限公司 | Anti-aging capacitor plastic shell and preparation method thereof |
| CN109721952A (en) * | 2017-10-31 | 2019-05-07 | 江苏创曦复合材料科技有限公司 | A kind of ageing-resistant composite resin formula suitable for pultrude process |
| CN108396644A (en) * | 2017-12-18 | 2018-08-14 | 河北恒瑞复合材料有限公司 | A kind of SMC composite materials and the walkway system using the material |
| CN108396644B (en) * | 2017-12-18 | 2024-01-19 | 河北恒瑞复合材料有限公司 | SMC composite material and pavement system using same |
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Effective date of registration: 20121220 Address after: 212499 Jurong city of Jiangsu province Huayang town Dongchang Road No. 20 Applicant after: Jiangsu Zhaoyun New Material Technology Co.,Ltd. Address before: 212400 Zhenjiang City, Jiangsu Province Economic Development Zone Jurong City Xihuan Yuda company Applicant before: Zhenjiang Yuda Composite Material Co., Ltd. |
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Application publication date: 20120919 |