CN102431105B - Production method of glass reinforced plastic plate mold and glass reinforced plastic plate serving as projection screen - Google Patents
Production method of glass reinforced plastic plate mold and glass reinforced plastic plate serving as projection screen Download PDFInfo
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- CN102431105B CN102431105B CN201110380829.5A CN201110380829A CN102431105B CN 102431105 B CN102431105 B CN 102431105B CN 201110380829 A CN201110380829 A CN 201110380829A CN 102431105 B CN102431105 B CN 102431105B
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- reinforced plastic
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Abstract
The invention discloses a production method of a glass reinforced plastic plate mold and a glass reinforced plastic plate serving as a projection screen; the production method of the mold comprises the following steps of: firstly, building a cement platform and controlling a horizontal tolerance to be within 1mm; then brushing a layer of unsaturated resin on the cement platform, then laying a layer of glass fiber cloth till a cloth cover is horizontal, and preparing a glass reinforced plastic mixing material after the cloth cover becomes dry and hard; pouring the glass reinforced plastic mixing material on each square meter of glass fiber cloth, leveling for more than 3 hours, repeatedly operating the leveling working procedure till the horizontal tolerance is within 1mm, and after the glass reinforced plastic mixing material becomes dry and hard, polishing the glass reinforced plastic mixing material till the evenness and the smoothness of the surface of the glass reinforced plastic mixing material is close to glass, i.e. obtaining the mold. The glass reinforced plastic plate which is manufactured on the mold by using a hand lay-up glass reinforced plastic molding method not only can be used as a product, but also can be used as the mold in the second production. The mold can be used for producing the seamless and smooth glass reinforced plastic plate with the width of more than 3m, which serves as the projection screen; and even the length and width of the produced glass reinforced plastic plate are unprecedented and beyond world records.
Description
Technical field
The invention belongs to the manufacture field of projection screen, be a kind of production method of glass fiber reinforced plastic flat plate mould specifically and utilize the mould that the method is produced to produce the glass fiber reinforced plastic flat plate as projection screen, and this glass fiber reinforced plastic flat plate is as the use of mould.
Background technology
Fiberglass is the popular call of fiberglass reinforced plastics, and it is to make reinforcement with glass fibre, a kind of composite of making as jointing material with synthetic resin.No matter be plastic plate in the market, or glass epoxy, adopt existing flat-plate molded method can only produce at most width be 3 meters with interior flat board, want to use width to exceed 3 meters of above flat boards, just two flat boards need to be carried out to seam, no matter adopt which kind of seam mode, all can have trace to produce at seam crossing.In the time adopting existing glass epoxy as projection screen, picture segmentation will certainly be become to several, do not become complete picture.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the first object of the present invention is to provide a kind of production method of glass fiber reinforced plastic flat plate mould, and it is 3 meters of above seamless smooth glass fiber reinforced plastic flat plates as projection screen that the mould that adopts the method to make can be produced width.
The second object of the present invention is to provide a kind of and adopts the mould manufacture of said method production as the method for the glass fiber reinforced plastic flat plate of projection screen.
The 3rd object of the present invention is to provide above-mentioned glass fiber reinforced plastic flat plate again producing as the application as mould in the glass fiber reinforced plastic flat plate of projection screen.
Technical scheme: in order to solve above-mentioned the first object, the technical solution adopted in the present invention is: a kind of production method of glass fiber reinforced plastic flat plate mould, the method comprises the steps:
(1), according to die size masonry cement platform, equal, strike off cemented platform by band current, until the horizontal tolerance of cemented platform is in 1 millimeter;
(2) in described cemented platform, brush one deck unsaturated-resin, repave layer of glass fiber fabric, strike off horizontal tolerance to glass-fiber-fabric in 1 millimeter, until unsaturated-resin and glass-fiber-fabric stiff after, prepare fiberglass composite material, the method for wherein preparing fiberglass composite material is: first unsaturated-resin, styrene and land plaster are mixed, then stir, add again curing agent and promoter, after stirring, obtain described fiberglass composite material; Wherein the addition of curing agent and promoter is as the criterion through more than 3 hours levelling in step (3) with described fiberglass composite material, unsaturated-resin and cinnamic gross weight are 100 weight portions, wherein unsaturated-resin 50-70 weight portion, styrene 30-50 weight portion; In the unsaturated-resin of every 100 weight portions and styrene mixture, add the land plaster of 25-35 weight portion;
(3) on glass-fiber-fabric every square metre described fall 3-3.5 kilogram of described fiberglass composite material, then fiberglass composite material is through more than 3 hours natural levelling, if the horizontal tolerance after levelling, in 1 millimeter, operates according to step (4); If the horizontal tolerance after levelling is more than 1 millimeter, continue to fall for the first time 2.5-3 kilogram of described fiberglass composite material on the fiberglass composite material after levelling at every square metre, through more than 3 hours levelling, if the horizontal tolerance after levelling, in 1 millimeter, operates according to step (4); If the horizontal tolerance after levelling is more than 1 millimeter, continue on the fiberglass composite material after levelling for the second time to fall 2.5-3 kilogram of described fiberglass composite material according to every square metre, through more than 3 hours levelling, repeatedly operation until after levelling tolerance in 1 millimeter, then operate according to step (4);
(4) after fiberglass composite material is stiff, polish, until the flatness on the fiberglass composite material surface after stiff and smoothness are close to glass, obtain described mould.
In order to solve above-mentioned the second object, the technical solution adopted in the present invention is: the mould that utilizes the production method of above-mentioned glass fiber reinforced plastic flat plate mould to make is manufactured the method as the glass fiber reinforced plastic flat plate of projection screen, on the smooth surface of described mould, apply one deck releasing agent, then on releasing agent, brush one deck gel coating resin, after gel coating resin is stiff, brush again one deck gel coating resin, after second layer gel coating resin is stiff, on second layer gel coating resin, carry out hand according to the order of brushing successively one deck unsaturated-resin and layer of glass fiber fabric and stick with paste laying, until reach, actual (real) thickness needs and last one deck is unsaturated-resin, after all material is stiff, the demoulding obtains the described glass fiber reinforced plastic flat plate as projection screen.
The glass fiber reinforced plastic flat plate as projection screen that adopts the production method of above-mentioned glass fiber reinforced plastic flat plate to make both can have been regarded product, also can be used as mould and used.
In order to solve above-mentioned the 3rd object, the technical solution adopted in the present invention is: above-mentioned glass fiber reinforced plastic flat plate is again producing as the application as mould in the glass fiber reinforced plastic flat plate of projection screen.
The application of glass fiber reinforced plastic flat plate in the present invention, specific as follows: the light of described glass fiber reinforced plastic flat plate is faced up, then on light face, evenly apply releasing agent, on releasing agent, brush one deck gel coating resin, after gel coating resin is stiff, brush again one deck gel coating resin, after second layer gel coating resin is stiff, on second layer gel coating resin, carry out hand according to the order of brushing successively one deck unsaturated-resin and layer of glass fiber fabric and stick with paste laying, until reach, actual (real) thickness needs and last one deck is unsaturated-resin, and after all material is stiff, the demoulding obtains the described glass fiber reinforced plastic flat plate as projection screen.
Beneficial effect: compared with prior art, it is 3 meters of above seamless smooth glass fiber reinforced plastic flat plates as projection screen that the production method of employing mould of the present invention can be produced width, and can also produce according to actual needs, the length and width of the glass fiber reinforced plastic flat plate of even producing are beyond example, super world records; Utilize the glass fiber reinforced plastic flat plate as projection screen that above-mentioned mould is produced both can use as product, also can in again producing, use as mould, and can use as mould repeatedly.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvement, these improve and also should be considered as protection scope of the present invention.
Embodiment 1: a kind of production method of glass fiber reinforced plastic flat plate mould, the method comprises the steps:
(1), according to die size masonry cement platform, equal, strike off cemented platform by band current, until the horizontal tolerance of cemented platform is in 1 millimeter;
(2) in above-mentioned cemented platform, brush one deck unsaturated-resin, repave layer of glass fiber fabric, strike off horizontal tolerance to glass-fiber-fabric in 1 millimeter, until unsaturated-resin and glass-fiber-fabric stiff after, prepare fiberglass composite material, the method of wherein preparing fiberglass composite material is: the method for wherein preparing fiberglass composite material is: first unsaturated-resin, styrene and land plaster are mixed, then stir, add again curing agent and promoter, after stirring, obtain described fiberglass composite material; Unsaturated-resin and cinnamic gross weight are 100 weight portions, wherein unsaturated-resin 50 weight portions, styrene 50 weight portions; In the unsaturated-resin of every 100 weight portions and styrene mixture, add the land plaster of 35 weight portions; The requirement of described fiberglass composite material viscosity is to make the flow time of this fiberglass composite material in step (3) at 3-5 hour;
(3) on glass-fiber-fabric every square metre described fall 3.5 kilograms of fiberglass composite materials, then fiberglass composite material is through 3-5 hour natural levelling, if the horizontal tolerance after levelling, in 1 millimeter, operates according to step (4); If the horizontal tolerance after levelling is more than 1 millimeter, continue to fall for the first time 2.5 kilograms of fiberglass composite materials on the glass-reinforced plastic material after levelling at every square metre, through 3-5 hour natural levelling, if the horizontal tolerance after levelling, in 1 millimeter, operates according to step (4); If the horizontal tolerance after levelling is more than 1 millimeter, continue on the fiberglass composite material after levelling for the second time to fall 2.5 kilograms of fiberglass composite materials according to every square metre, through 3-5 hour natural levelling, repeatedly operation until after levelling tolerance in 1 millimeter, then operate according to step (4); The time of fiberglass composite material nature levelling is controlled to 3-5 hour, can makes the effective of levelling, even a levelling can reach required flatness sometimes, and can reduce production costs;
(4) after fiberglass composite material is stiff, polish, until the flatness on the fiberglass composite material surface after stiff and smoothness are close to glass, obtain described mould.
Above-mentioned unsaturated-resin is 191 resins or 196 resins that Nanjing industrial resin Co., Ltd produces; Curing agent and promoter are the common used material of fiberglass industry, are produced by Changzhou Fang Xin Chemical Co., Ltd..
Embodiment 2: produce at embodiment 1 on the smooth surface of the mould making and apply one deck releasing agent, then on releasing agent, brush one deck gel coating resin, after gel coating resin is stiff, brush again one deck gel coating resin, after second layer gel coating resin is stiff, on second layer gel coating resin, carry out hand according to the order of brushing successively one deck unsaturated-resin and layer of glass fiber fabric and stick with paste laying, until reach, actual (real) thickness needs and last one deck is unsaturated-resin, and after all material is stiff, the demoulding obtains the glass fiber reinforced plastic flat plate as projection screen.
Should both can regard product as the glass fiber reinforced plastic flat plate of projection screen, and also can be used as mould and use.
When glass fiber reinforced plastic flat plate is producing when using as mould in the glass fiber reinforced plastic flat plate of projection screen, concrete using method is as follows: the light of glass fiber reinforced plastic flat plate is faced up, then on light face, evenly apply releasing agent, on releasing agent, brush one deck gel coating resin, after gel coating resin is stiff, brush again one deck gel coating resin, after second layer gel coating resin is stiff, brush successively one deck unsaturated-resin, glass-fiber-fabric and unsaturated-resin, the stiff rear demoulding obtains the glass fiber reinforced plastic flat plate of another piece as projection screen.
Certainly the thickness of glass fiber reinforced plastic flat plate can be determined according to actual needs, after second layer gel coating resin is stiff, operate according to the sequential loop of one deck unsaturated-resin, layer of glass fiber fabric, until reach the requirement of actual needs, simultaneously last one deck is unsaturated-resin, and the stiff rear demoulding obtains meeting the glass fiber reinforced plastic flat plate as projection screen of thickness needs.
Unsaturated-resin in the present embodiment refers to the resin that contains formula, and this formula is fiberglass production industry Essential Terms, and the used in amounts of this formula will and paste the length of time according to the kind of the size of the height of temperature, humidity, resin and determine; This formula comprises curing agent and promoter, conventionally the addition of curing agent be unsaturated-resin weight 2%, the addition of promoter is 1% of unsaturated-resin weight; Curing agent adopts Changzhou Fang Xin Chemical Co., Ltd. to produce; Resin is 191 resins or 196 resins that Nanjing industrial resin Co., Ltd produces; Releasing agent and gel coating resin all adopt Suzhou Yi Hongyuan trade Co., Ltd to produce.
Embodiment 3: substantially the same manner as Example 1, difference is the formula of fiberglass composite material: unsaturated-resin and cinnamic gross weight are 100 weight portions, wherein unsaturated-resin 70 weight portions, styrene 30 weight portions; In the unsaturated-resin of every 100 weight portions and styrene mixture, add the land plaster of 25 weight portions.
Embodiment 4: substantially the same manner as Example 1, difference is the formula of fiberglass composite material: unsaturated-resin and cinnamic gross weight are 100 weight portions, wherein unsaturated-resin 60 weight portions, styrene 40 weight portions; In the unsaturated-resin of every 100 weight portions and styrene mixture, add the land plaster of 30 weight portions.
Embodiment 5: substantially the same manner as Example 1, difference is step (3), be: in described cemented platform, brush one deck unsaturated-resin, repave layer of glass fiber fabric, strike off horizontal tolerance to glass-fiber-fabric in 1 millimeter, until unsaturated-resin and glass-fiber-fabric stiff after, on glass-fiber-fabric every square metre described fall 3 kilograms of described fiberglass composite materials, then fiberglass composite material is through more than 3 hours natural levelling, if the horizontal tolerance after levelling, in 1 millimeter, operates according to step (4); If the horizontal tolerance after levelling is more than 1 millimeter, continue to fall for the first time 3 kilograms of described fiberglass composite materials on the fiberglass composite material after levelling at every square metre, through more than 3 hours natural levelling, if the horizontal tolerance after levelling, in 1 millimeter, operates according to step (4); If the horizontal tolerance after levelling is more than 1 millimeter, continue on the glass-reinforced plastic material after levelling for the second time to fall 3 kilograms of described fiberglass composite materials according to every square metre, through more than 3 hours natural levelling, repeatedly operation until after levelling tolerance in 1 millimeter, then operate according to step (4).
Claims (2)
1. a production method for glass fiber reinforced plastic flat plate mould, is characterized in that, the method comprises the steps:
(1), according to die size masonry cement platform, equal, strike off cemented platform by band current, until the horizontal tolerance of cemented platform is in 1 millimeter;
(2) in described cemented platform, brush one deck unsaturated-resin, repave layer of glass fiber fabric, strike off horizontal tolerance to glass-fiber-fabric in 1 millimeter, until unsaturated-resin and glass-fiber-fabric stiff after, prepare fiberglass composite material, the method for wherein preparing fiberglass composite material is: first unsaturated-resin, styrene and land plaster are mixed, then stir, add again curing agent and promoter, after stirring, obtain described fiberglass composite material; Wherein the addition of curing agent and promoter is as the criterion through more than 3 hours levelling in step (3) with described fiberglass composite material, unsaturated-resin and cinnamic gross weight are 100 weight portions, wherein unsaturated-resin 50-70 weight portion, styrene 30-50 weight portion; In the unsaturated-resin of every 100 weight portions and styrene mixture, add the land plaster of 25-35 weight portion;
(3) on glass-fiber-fabric every square metre described fall 3-3.5 kilogram of described fiberglass composite material, then fiberglass composite material is through more than 3 hours natural levelling, if the horizontal tolerance after levelling, in 1 millimeter, operates according to step (4); If the horizontal tolerance after levelling is more than 1 millimeter, continue to fall for the first time 2.5-3 kilogram of described fiberglass composite material on the fiberglass composite material after levelling at every square metre, through more than 3 hours levelling, if the horizontal tolerance after levelling, in 1 millimeter, operates according to step (4); If the horizontal tolerance after levelling is more than 1 millimeter, continue on the fiberglass composite material after levelling for the second time to fall 2.5-3 kilogram of described fiberglass composite material according to every square metre, through more than 3 hours levelling, repeatedly operation until after levelling tolerance in 1 millimeter, then operate according to step (4);
(4) after fiberglass composite material is stiff, polish, until the flatness on the fiberglass composite material surface after stiff and smoothness are close to glass, obtain described mould.
2. the production method of glass fiber reinforced plastic flat plate mould according to claim 1, is characterized in that, described unsaturated-resin is 191 resins or 196 resins.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110380829.5A CN102431105B (en) | 2011-11-25 | 2011-11-25 | Production method of glass reinforced plastic plate mold and glass reinforced plastic plate serving as projection screen |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110380829.5A CN102431105B (en) | 2011-11-25 | 2011-11-25 | Production method of glass reinforced plastic plate mold and glass reinforced plastic plate serving as projection screen |
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| CN102431105A CN102431105A (en) | 2012-05-02 |
| CN102431105B true CN102431105B (en) | 2014-09-03 |
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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 |
| CN105419278A (en) * | 2015-12-22 | 2016-03-23 | 合肥仲农生物科技有限公司 | Insulating composite material |
| CN113788667A (en) * | 2021-08-31 | 2021-12-14 | 江苏唐盾材料科技有限公司 | Magnesium cementing material for hand-pasted glass fiber reinforced plastic mold |
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| CN101697035A (en) * | 2009-11-03 | 2010-04-21 | 哈尔滨玻璃钢研究院 | Forming method of fiber reinforced resin base compound material hood with inner grating |
| JP2011056816A (en) * | 2009-09-10 | 2011-03-24 | Nippon Steel Materials Co Ltd | Molding method of structure made of fiber-reinforced plastic, and structure made of fiber-reinforced plastic |
| KR20110052908A (en) * | 2009-11-13 | 2011-05-19 | 박범석 | Fiber reinforced plastics pipe and manufacturing method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63309428A (en) * | 1987-06-10 | 1988-12-16 | Sekisui Chem Co Ltd | Fiber-reinforced plastic molded product and its manufacture |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011056816A (en) * | 2009-09-10 | 2011-03-24 | Nippon Steel Materials Co Ltd | Molding method of structure made of fiber-reinforced plastic, and structure made of fiber-reinforced plastic |
| CN101697035A (en) * | 2009-11-03 | 2010-04-21 | 哈尔滨玻璃钢研究院 | Forming method of fiber reinforced resin base compound material hood with inner grating |
| KR20110052908A (en) * | 2009-11-13 | 2011-05-19 | 박범석 | Fiber reinforced plastics pipe and manufacturing method |
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| 王会刚等.玻璃钢模具的手糊制作技术.《塑料科技》.2005,(第06期), |
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