CN103737775A - Shower-tray casting process of surface of spar - Google Patents
Shower-tray casting process of surface of spar Download PDFInfo
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- CN103737775A CN103737775A CN201410013590.1A CN201410013590A CN103737775A CN 103737775 A CN103737775 A CN 103737775A CN 201410013590 A CN201410013590 A CN 201410013590A CN 103737775 A CN103737775 A CN 103737775A
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Abstract
The invention relates to a shower-tray casting process of the surface of spar. The shower-tray casting process comprises the following steps: (1) spraying two layers of gel coats on the surface of a mold, wherein the first layer is a transparent gel coat, then adding 2.5% of peroxidated methyl ethyl ketone as a curing agent to form the first layer of gel coat; carrying out spraying of the second layer of gel coat after the first layer of transparent coat is cured, using colored gel coat with spar particles to spray, and then adding 2.5% of peroxidated methyl ethyl ketone as the curing agent to form the second layer of gel coat; (2) casting casting materials according to a formula of the casting materials; (3) demolding and sizing a product, entering a drying oven with the temperature being 120 DEG C, then curing for 3 hours, and then arranging products to obtain finished products. The shower-tray casting process has the advantages that the production process is controllable and the texture and the aesthetic degree of the products are improved.
Description
Technical field
The present invention relates to the new technology of composite, particularly the shower tray pouring technology on a kind of regent stone surface.
Background technology
For beautifying and improve the sight on sanitaryware surface, by being made, shower tray surface casting there is marble, the natural texture of granite, and improve the value of product, and guarantee quality, resistance to water, the resistant to chemical media aggressivity of product surface.First shower tray pouring production technique of the prior art should arrange mould, and as mould surface spraying gel coat etc., mould gel coat, as mould top layer, requires the surface compact after solidifying, and has certain intensity and hardness.The kind of gel coat is more in the market, and the gel coat of high-quality should be spary coating type gel coat, has low viscosity, high thixotropic and good defoaming and levelability, and curing characteristics is more stable.Spary coating type gel coat has transparent gel coat, coloured gel coat etc., one deck gel coat, and gel coat is monochromatic gel coat, so cast shower tray is one color product, lacks sight.
When few the or temperature of curing dose is too low, affect gel time, do not utilize the raising of productive rate, still, excessive curing system or too high temperature easily cause the gel time of gel coat to shorten too much.The air that gel coat is brought in application process cannot be overflowed.
In configuration, during gel coating resin, need, according to supplier guidance, fully mix, while particularly using pigment paste, if mix inhomogeneously, can make product surface occur spot and striped, this not only affects outward appearance, but also can reduce its physical property.In prior art spraying, the thickness general control of gel coating resin is between 0.3 ~ 0.5mm, the thickness of gel coating resin is suitable, if gel coat is too thin, may solidify not exclusively, and the glass fibre at the gel coat back side easily reveals, and affects presentation quality, do not have the effect beautifying with cover glass steel part; If gel coat is blocked up, easily produce be full of cracks, not impact resistance, is particularly unable to bear the impact coming from goods reverse side direction.Gel coat brushing is inhomogeneous, also easily causes crackle in knockout course, and this is because surface cure speed differs, and makes the inner cause that produces stress of resin.Gel coat will be brushed evenly, avoids gel coat local accumulation as far as possible, and the state of cure of gel coating resin must be grasped.
And in the patent documentation that is CN101831160A at publication number, a kind of bathroom product rapid curing casting resin and preparation and application thereof are disclosed, applicant thinks, also can continue to use described bathroom product rapid curing casting resin, and can suitably improve its composition in this application.
Summary of the invention
The object of the invention is: the shower tray pouring technology on a kind of regent stone surface is provided, makes shower tray surface have more sight.
The object of the invention is achieved through the following technical solutions: the shower tray pouring technology on a kind of regent stone surface, comprises the steps:
Step 1, arranges shower tray mould, and to two layers of gel coat of mould surface spraying, ground floor is transparent gel coat, adds in addition 2.5% curing agent methyl ethyl ketone peroxide, forms ground floor gel coat; After the transparent gel coat of ground floor solidifies, spray second layer gel coat, this time use the coloured gel coat spraying with regent stone granulate, add in addition 2.5% curing agent methyl ethyl ketone peroxide, form second layer gel coat;
Step 2 is carried out castable cast after above-mentioned second layer gel coat solidifies, and described casting material formula take unsaturated polyester resin as matrix resin with additive, is by weight percentage:
Unsaturated polyester resin 18～22%
200 order calcium carbonate 28～32%
300 order calcium carbonate 22～26%
Quartz sand 14～18%
Glass microballoon 6～10%,
Described additive capacity is 3.2～4.4% of unsaturated polyester resin weight, and described castable temperature is controlled at 45～50 ° of C;
Step 3, product stripping, sizing, be cured 3 hours after entering 120 ° of C baking ovens;
Step 4, arranges after product and obtains finished product.
The present invention, on the basis of existing shower tray production decision, filling a prescription under constant prerequisite, by the adjustment to technique, makes product more attractive in appearance.By once spraying of the prior art, change secondary spraying into, gel coat is selected spary coating type gel coat, sprays for the first time transparent gel coat, sprays for the second time the coloured gel coat with particle again, background color using regent stone granulate as shower tray sets off, thereby beautifies and improve the sight on sanitaryware surface.There is natural jade or marmorean color and effect.
On such scheme basis, in described step 1, described transparent gel coat thickness is not more than 30 μ m, and described transparent gel coat temperature is not less than 20 ° of C, and preferably 20～28 ° of C wait for gel coat gel after spraying, spray the second layer gel coat hardening time after 5～10min.
On such scheme basis, the temperature of described second layer gel coat spraying is not less than 20 ° of C, preferably 20～28 ° of C, coating thickness is at 30～40 μ m, described regent stone granulate and coloured gel coat ratio are: regent stone granulate 30%, coloured gel coat 70%, hardening time 10～15min.
On such scheme basis, described additive comprises promoter, shrinking agent and curing agent, the addition of promoter is 0.2～0.8% of unsaturated polyester resin weight, the addition of shrinking agent is 1～1.1% of unsaturated polyester resin weight, the addition of curing agent is 2～2.5% of unsaturated polyester resin weight, makes to pour into a mould product fast curing-formed.
Production technology of the present invention has controllability: as long as the consumption of gel coat spraying temperature, thickness and curing agent in production control process.Gel coat temperature can be measured by temperature-measuring gun, when temperature is too low, can heat by water-bath.Gel coat thickness can be measured by calibrator, casting material formula can by electronic scale weigh control.After formed product, the transparent gel coat that sees through ground floor can be seen the regent stone granulate of the second layer, and the gel coat color of the second layer sets off as background color, can adopt according to demand different colors.Product texture and aesthetics have been increased.
Accompanying drawing explanation
Fig. 1 is production technological process of the present invention.
The specific embodiment
As shown in production technological process as of the present invention in accompanying drawing 1, the shower tray pouring technology on a kind of regent stone surface, comprises the steps:
Step 1, arrange shower tray mould, to two layers of gel coat of mould surface spraying, ground floor is transparent gel coat, adds in addition 2.5% curing agent methyl ethyl ketone peroxide, forms ground floor gel coat, gel coat THICKNESS CONTROL is at 30 μ m, described transparent gel coat temperature is controlled at and is not less than 20 ° of C, spraying after wait for solidify, hardening time 5 ~ 10min; After solidifying, the transparent gel coat of ground floor sprays second layer gel coat, this time use the coloured gel coat spraying with regent stone granulate, add in addition 2.5% curing agent methyl ethyl ketone peroxide, form second layer gel coat, the temperature control of second layer gel coat spraying is not less than 20 ° of C, and coating thickness is controlled at 30 ~ 40 μ m, and described regent stone granulate and coloured gel coat ratio are: regent stone granulate 30%, coloured gel coat 70%, hardening time 10 ~ 15min.
Step 2 is carried out castable cast after above-mentioned second layer gel coat solidifies, and described casting material formula, take unsaturated polyester resin as matrix resin, adds appropriate additive, is by weight percentage:
Unsaturated polyester resin 18～22%
200 order calcium carbonate 28～32%
300 order calcium carbonate 22～26%
Quartz sand 14～18%
Glass microballoon 6～10%,
Described additive capacity is 3.2～4.4% of unsaturated polyester resin weight, described castable temperature is controlled at 45～50 ° of C, described additive comprises promoter, shrinking agent and curing agent, the addition of promoter is 0.2～0.8% of unsaturated polyester resin weight, the addition of shrinking agent is 1～1.1% of unsaturated polyester resin weight, the addition of curing agent is 2～2.5% of unsaturated polyester resin weight, makes to pour into a mould product fast curing-formed.
Step 3, product stripping, sizing, be cured 3 hours after entering 120 ° of C baking ovens;
Step 4, arranges after product and obtains finished product.
The present invention utilizes secondary gel coat to spray to obtain the cast shower tray of regent stone face, and key is that ground floor first sprays transparent gel coat, and the second layer sprays the coloured gel coat with regent stone granulate again.
Claims (4)
1. the shower tray pouring technology on regent stone surface, comprises the steps:
Step 1, arranges shower tray mould, and to two layers of gel coat of mould surface spraying, ground floor is transparent gel coat, adds in addition 2.5% curing agent methyl ethyl ketone peroxide, forms ground floor gel coat; After the transparent gel coat of ground floor solidifies, spray second layer gel coat, this time use the coloured gel coat spraying with regent stone granulate, add in addition 2.5% curing agent methyl ethyl ketone peroxide, form second layer gel coat;
Step 2 is carried out castable cast after above-mentioned second layer gel coat solidifies, and described casting material formula take unsaturated polyester resin as matrix resin with additive, is by weight percentage:
Unsaturated polyester resin 18～22%
200 order calcium carbonate 28～32%
300 order calcium carbonate 22～26%
Quartz sand 14～18%
Glass microballoon 6～10%,
Described additive capacity is 3.2～4.4% of unsaturated polyester resin weight, and described castable temperature is controlled at 45～50 ° of C;
Step 3, product stripping, sizing, be cured 3 hours after entering 120 ° of C baking ovens;
Step 4, arranges after product and obtains finished product.
2. the shower tray pouring technology on regent stone according to claim 1 surface, is characterized in that, in described step 1, described transparent gel coat thickness is not more than 30 μ m, described transparent gel coat temperature is not less than 20 ° of C, after spraying, waits for and solidifying, and sprays the second layer gel coat hardening time after 5～10min.
3. the cast shower tray production technology on regent stone according to claim 1 and 2 surface, it is characterized in that, the temperature of described second layer gel coat spraying is not less than 20 ° of C, coating thickness is at 30～40 μ m, described regent stone granulate and coloured gel coat ratio are: regent stone granulate 30%, coloured gel coat 70%, hardening time 10～15min.
4. the cast shower tray production technology on regent stone according to claim 1 surface, it is characterized in that, in described step 2, in described castable, add additive, described additive comprises promoter, shrinking agent and curing agent, the addition of promoter is 0.2～0.8% of unsaturated polyester resin weight, the addition of shrinking agent is 1～1.1% of unsaturated polyester resin weight, the addition of curing agent is 2～2.5% of unsaturated polyester resin weight, makes to pour into a mould product fast curing-formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410013590.1A CN103737775A (en) | 2014-01-13 | 2014-01-13 | Shower-tray casting process of surface of spar |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410013590.1A CN103737775A (en) | 2014-01-13 | 2014-01-13 | Shower-tray casting process of surface of spar |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104608302A (en) * | 2015-01-09 | 2015-05-13 | 上海澳金玻璃钢制品有限公司 | Production process of artificial stone tub with simulated stone lines |
| CN109115073A (en) * | 2018-08-08 | 2019-01-01 | 江苏瀚皋机械有限公司 | The manufacture craft of simple inpecting tool |
| CN109467337A (en) * | 2018-11-29 | 2019-03-15 | 浙江德沐洁具科技有限公司 | A kind of composite material producing shower tray |
| CN112895501A (en) * | 2021-01-18 | 2021-06-04 | 台州市卡中奥洁具有限公司 | Novel material bathtub manufacturing process |
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| CN102555127A (en) * | 2011-12-09 | 2012-07-11 | 上海澳金玻璃钢制品有限公司 | Production process for counter basin with double-sided adhesive coat |
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2014
- 2014-01-13 CN CN201410013590.1A patent/CN103737775A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03221439A (en) * | 1990-01-26 | 1991-09-30 | Matsushita Electric Ind Co Ltd | Laminated molding with pattern |
| CN1181393A (en) * | 1997-03-06 | 1998-05-13 | 徐文忠 | Colour magic glass fiber reinforced plastic and its prodn. tech. |
| CN1239031A (en) * | 1999-07-28 | 1999-12-22 | 吴占魁 | Technology for producing crystal-showing stone slab and its sanitary articles |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104608302A (en) * | 2015-01-09 | 2015-05-13 | 上海澳金玻璃钢制品有限公司 | Production process of artificial stone tub with simulated stone lines |
| CN104608302B (en) * | 2015-01-09 | 2017-03-15 | 上海澳金玻璃钢制品有限公司 | Imitative bag artificial stone bathtub production technology |
| CN109115073A (en) * | 2018-08-08 | 2019-01-01 | 江苏瀚皋机械有限公司 | The manufacture craft of simple inpecting tool |
| CN109467337A (en) * | 2018-11-29 | 2019-03-15 | 浙江德沐洁具科技有限公司 | A kind of composite material producing shower tray |
| CN112895501A (en) * | 2021-01-18 | 2021-06-04 | 台州市卡中奥洁具有限公司 | Novel material bathtub manufacturing process |
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Application publication date: 20140423 |