CN1265956C - Method for producing colored carved grain melamine resin tableware - Google Patents
Method for producing colored carved grain melamine resin tableware Download PDFInfo
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- CN1265956C CN1265956C CN 200410050345 CN200410050345A CN1265956C CN 1265956 C CN1265956 C CN 1265956C CN 200410050345 CN200410050345 CN 200410050345 CN 200410050345 A CN200410050345 A CN 200410050345A CN 1265956 C CN1265956 C CN 1265956C
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- melamine resin
- decorative pattern
- tableware
- pattern
- painted
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Abstract
The present invention relates to a method for manufacturing melamine resin dishware which is colored, engraved and ornamented. The method comprises the steps that melamine resin is pre-moulded at the temperature of 150 to 200 DEG C, and is formed by compression moulding at the pressure of 15 to 30MPa and the temperature of 160 to 170 DEG C, and a polishing agent is added; a product is engraved with a concave groove textured pattern by an electronic engraving machine; coloring material is filled in a concave groove and is thermally treated at the temperature of 200 to 210 DEG C. In the method, the air exhausting operation is reduced in a moulding process, and the product does not have air bubble, and has high density so as to enhance strength; the engraved textured pattern not only enables the textured lines of the textured pattern to be clear and consistent so as not to result in defective and degraded products, but also reduces the manufacturing quantity of moulds and reduce production cost; the textured pattern can be changed according to the market fashion requirements of the appearance of the dishware, and the ornamentation is easily worn; the paint has the advantages of fine heat resistance and no discoloration by hot water washing so as to maintain the beauty of the pattern for a long time and prolong the service life of the dishware. The selected melamine resin, the selected polishing agent and the selected coloring paint are all nuisance-free products with fine environmental protection properties.
Description
Technical field: the present invention relates to a kind of mess kit, relate to a kind of melamine resin tableware specifically.
Background technology: tableware is indispensable life vessel in people's daily life, oneself uses for many years from the porcelain dinner-ware to the metalic tableware, but porcelain dinner-ware, though dinner glass appearance looks elegant, but cracky when using, loss is big, and metalic tableware is based on stainless steel tableware, except that price was higher, its heat transfer was too fast, used inconvenient, plastic tableware appears in recent years, wherein based on melamine resin (MF) tableware, because of it is nontoxic, easy cleaning and being favourably welcome, but at present the melamine resin tableware on decorating except that selecting the fashion moulding for use, mainly be to adopt the colored printing pattern with the increase aesthetic feeling, but the thermo-labile water washing of its pattern, and not wear-resisting, very easily lose aesthetic feeling, so often abandoned it.
Record and narrate in " daily plastic goods and processing " (in Beijing scientific and technical literature publishing houses 20032 such as Red Army) P135～137: common melamine resin tableware manufacture method is that melamine resin is carried out preheating earlier, in mould, solidify under high temperature, the high pressure then, this method product easily goes out defect ware, and tableware body density is low, intensity is affected, and directly influences service life.
Summary of the invention: the present invention is directed to the defective that existing melamine resin tableware exists, and, provide a kind of tableware body density height in the problem of manufacturing process, processing does not produce defect ware, the tableware decorative pattern is not easy to wear, heat-resisting water washing, the manufacture method of the melamine resin tableware of long service life.
The technical scheme of the painted engraving decorative pattern of the present invention melamine resin tableware manufacture method is: a kind of painted engraving decorative pattern melamine resin tableware manufacture method, comprise compression molding, and it is characterized in that: its manufacture method can be undertaken by following technology:
1, resin preformed: in heating generator, put into by goods aequum adding melamine resin, made powdered resin become the mud shape in 30～40 seconds 150～200 ℃ of heating;
2, compression molding: the mud shape resin of preformed is put into mould, and mold closing is forced into 15～30Mpa, solidifies 30～40 seconds down at 160～170 ℃, open mould, press 1～1.5% of melamine resin quality and drop into polishing material, mold closing, treated 30～40 seconds, and opened mould, take out the model tableware semi-finished product;
3, engraving decorative pattern:, on the tableware semi-finished product, carve Baltimore groove decorative pattern pattern with electronic engraving machine according to predefined decorative pattern pattern;
4, decorative pattern is painted: inject pigmented finiss with syringe in the half-finished decorative pattern Baltimore groove of model tableware, treat to heat-treat 4～6min behind the coating solidification under 200～210 ℃.
Its leading indicator of melamine resin of the present invention should be: density 1.42～1.52g/cm
3, shrinkage factor 0.4～0.8%, 160～170 ℃ of solidification temperatures.
By prior art, the melamine resin powder should carry out the short time preheating and drying under 100～120 ℃ before carrying out molded curing, to remove moisture and the volatile matter that contains in the resin, and the present invention is before molded curing, melamine resin is carried out preformed to be handled, promptly in melamine resin solidification temperature scope, heat-treat, this not only can remove moisture and the volatile matter that contains in the resin, and can remove the part moisture that in solidification process, produces, even thereby do not adopt 1～2 time degasification process, the density that is enough to guarantee not produce bubble yet He influences the tableware body.The preformed temperature is selected according to the melamine resin amount, and general its quality of melamine resin tableware is 30～500g, and its quality can be chosen in 150～160 ℃ in 30～100g temperature, and quality is 400～500g, and temperature can be selected 190～200 ℃.For making dinner set product have glossiness preferably, in the curing molding process, add polishing material, its polishing material is melamine resin stoste (a carbamide initial reduced body).
For the decorative pattern pattern on the plastic products was to make the negative and positive line when the processing mold in the past, this method causes incomplete fault because of the material skewness often in compression molding, influence product appearance, reduce use value, the present invention adopts electronic engraving machine to carve by the pattern of design in advance, the clear unanimity of the decorative pattern that this method is not only carved, and can on same tableware, carve different decorative pattern patterns by different parts, can save the mould manufacturing expense.
Decorative pattern pattern of the present invention is painted be different from general at tableware surface printed patterns but dyed layer overlay in the Baltimore groove of decorative pattern pattern, the coloured material that is adopted is non-harmful pigment, titanium dioxide, carbon black, iron oxide red, ultramarine, pthalocyanine blue, phthalocyanine green, permanent bordeaux, the optional wherein a kind of solvent based coating of preparation of aluminium powder, coating should be 200～250 ℃ of following nondiscolourings.Can select diluent that coating is diluted in use, the diluent kind is based on the diluent in the coating that uses, and the organic solvent with solvent oils or its mixing is to be suitable for usually.Dilution is to possess preferably covering and the syringe that is easy to pack into is as the criterion with coating, is 10～15% to be advisable coating is diluted to mass fraction.The coloured material setting time be according to the volatility of solvent and consumption what and decide, be generally 20-60 second.
Beneficial effect of the present invention: owing on manufacturing process, adopt preformed, the water evaporation that produces in the curing polycondensation be can effectively be reduced in and bubble and reduction density caused on product, producing, thereby improve tableware intensity, the engraving decorative pattern not only makes the clear unanimity of decorative pattern pattern streakline, can not produce defect ware, and minimizing mould manufacture, reduce production costs, the decorative pattern pattern can change according to the fashion demand of market to the tableware outward appearance, decorative pattern pattern painted is because coloured material is to overlay in the Baltimore groove of decorative pattern pattern, not easy to wear, the coating good heat resistance, hot wash can not faded, the aesthetic feeling that can keep pattern for a long time, prolong the service life of tableware, selected melamine resin, polishing material, pigmented finiss is non-harmful product, has favorable environment protection.
Description of drawings:
Fig. 1 is painted engraving decorative pattern melamine resin bowl structure schematic diagram;
Fig. 2 is painted engraving decorative pattern melamine resin cup structure schematic diagram;
Fig. 3 is painted engraving decorative pattern melamine resin dish structural representation.
Among the figure 1, the tableware body; 2, Baltimore groove; 3, dyed layer.
The specific embodiment:
Embodiment 1: make painted engraving decorative pattern melamine resin bowl by Fig. 1 pattern, get 80g commodity melamine resin powder, put into heating generator, 150～160 ℃ of heating 30 seconds, powdered resin becomes the mud shape, mud shape resin groups is put into metal die, mold closing, be forced into 15Mpa, solidified 30 seconds down, open mould at 160～170 ℃, add the 8g polishing material, mold closing continues to solidify 30 seconds, opens mould, take out the melamine resin bowl, and then the upper brim of tableware body 1 along on carve out the Baltimore groove 2 of the dark 3mm of wide 1mm, to adopt Japanese IVATURAL.PRODUCT.CO. commodity YPN-203BK blacking 5g to be diluted to mass fraction with commodity BIOFIA.THINIVER 0500 diluent be 10% in order to obtain excellent color effect and its pigmented finiss of durability, inhalation syringe, reinject in the Baltimore groove 2, treat 20 seconds coating solidifications, put into heating generator then and heat-treat 4min formation dyed layer 3 for inherent 200 ℃, promptly get painted engraving decorative pattern melamine resin bowl.
Embodiment 2: make painted engraving decorative pattern melamine resin cup by Fig. 2 pattern, get 200g commodity melamine resin powder, put into heating generator, 170～180 ℃ of heating 35 seconds, powdered resin becomes the mud shape, mud shape resin groups is put into metal die, and mold closing is forced into 25Mpa, solidified 35 seconds down at 160～170 ℃, open mould, add the 22g polishing material, mold closing, continue to solidify 30 seconds, open mould, take out the melamine resin cup, and then the upper brim of tableware body 1 along on carve out the dark 3mm of wide 1mm and on cup, carve out the Baltimore groove 2 of the dark 0.5mm of wide 1mm, get commodity YPN-2-2 whitewash 3g and YPN-203BK blacking 3g, mix the back and add commodity BIOFIA.THINIVER 0500 diluent, being diluted to mass fraction is 12%, inhalation syringe, reinject in the Baltimore groove 2, treat 30 seconds coating solidifications, put into heating generator then and heat-treat 5min formation dyed layer 3 for inherent 200 ℃, promptly get painted engraving decorative pattern melamine resin cup.
Embodiment 3: make painted engraving decorative pattern melamine resin dish by Fig. 3 pattern, get 400g commodity melamine resin powder, put into heating generator, 190～200 ℃ of heating 40 seconds, powdered resin becomes the mud shape, mud shape resin groups is put into metal die, mold closing, be forced into 29Mpa, solidified 40 seconds down, open mould at 160～170 ℃, add the 60g polishing material, mold closing continues to solidify 30 seconds, opens mould, take out the melamine resin dish, and then the upper brim of tableware body 1 along on carve out the Baltimore groove 2 of the dark 3mm of wide 1mm, getting commodity YPN-2-2 whitewash 5g and YPN-203BK blacking 3g, to be diluted to mass fraction with commodity BIOFIA.THINIVER 0500 diluent be 15%, inhalation syringe, reinject in the Baltimore groove 2, treat 30 seconds coating solidifications, put into heating generator then and heat-treat 6min formation dyed layer 3 for inherent 200 ℃, promptly get painted engraving decorative pattern melamine resin dish.
Claims (3)
1, a kind of painted engraving decorative pattern melamine resin tableware manufacture method comprises compression molding, and it is characterized in that: its manufacture method can be undertaken by following technology:
(1), resin preformed: in heating generator, put into by goods aequum adding melamine resin, made powdered resin become the mud shape in 30～40 seconds 150～200 ℃ of heating;
(2), compression molding: the mud shape resin of preformed is put into mould, and mold closing is forced into 15～30Mpa, solidifies 30～40 seconds down at 160～170 ℃, open mould, press 1～1.5% of melamine resin quality and drop into polishing material, mold closing, treated 30～40 seconds, and opened mould, take out the model tableware semi-finished product;
(3), engraving decorative pattern:, on the tableware semi-finished product, carve Baltimore groove decorative pattern pattern with electronic engraving machine according to predefined decorative pattern pattern;
(4), decorative pattern is painted: inject pigmented finiss with syringe in the half-finished decorative pattern Baltimore groove of model tableware, treat to heat-treat 4～6min behind the coating solidification under 200～210 ℃.
2, painted engraving decorative pattern melamine resin tableware manufacture method according to claim 1, it is characterized in that: described polishing material is a melamine resin stoste.
3, painted engraving decorative pattern melamine resin tableware manufacture method according to claim 1 is characterized in that: described pigmented finiss is titanium dioxide, carbon black, iron oxide red, ultramarine, pthalocyanine blue, phthalocyanine green, permanent bordeaux, the optional wherein a kind of solvent based coating of preparation of aluminium powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410050345 CN1265956C (en) | 2004-08-31 | 2004-08-31 | Method for producing colored carved grain melamine resin tableware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410050345 CN1265956C (en) | 2004-08-31 | 2004-08-31 | Method for producing colored carved grain melamine resin tableware |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1586872A CN1586872A (en) | 2005-03-02 |
| CN1265956C true CN1265956C (en) | 2006-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410050345 Expired - Fee Related CN1265956C (en) | 2004-08-31 | 2004-08-31 | Method for producing colored carved grain melamine resin tableware |
Country Status (1)
| Country | Link |
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| CN (1) | CN1265956C (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2432104A (en) * | 2005-11-15 | 2007-05-16 | Tzeng Shyng Ind Corp | Melamine utensils |
| GB2432335B (en) * | 2005-11-17 | 2008-11-26 | Shyau Fa Co Ltd | Method for manufacturing multi-color melamine container |
| CN101574841A (en) * | 2008-05-08 | 2009-11-11 | 阎小宁 | Method for producing macromolecule solid profile with wearable flower pattern |
| CN101670640B (en) * | 2009-09-23 | 2011-05-25 | 美加美餐具股份有限公司 | Production technology of gold-added applique melamine dishware |
| CN103801491A (en) * | 2014-01-21 | 2014-05-21 | 合肥汇通汽车零部件有限公司 | Paint injecting and spraying process |
| CN105599315B (en) * | 2016-02-18 | 2017-12-22 | 东莞市正爱实业有限公司 | The manufacture method of intelligent tableware |
| CN106113359B (en) * | 2016-07-05 | 2018-08-14 | 杭州雄伟科技开发股份有限公司 | The production technology of intelligent melamine dishware |
| CN106496623A (en) * | 2016-11-05 | 2017-03-15 | 上海美尔耐密胺制品有限公司 | A kind of production technology of melamine dishware |
| CN109648762B (en) * | 2018-12-29 | 2021-05-07 | 贺州宝兴新材料有限公司 | Melamine tableware production facility |
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- 2004-08-31 CN CN 200410050345 patent/CN1265956C/en not_active Expired - Fee Related
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| CN1586872A (en) | 2005-03-02 |
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Owner name: SHENGYANG CITY SHUJIATUN DISTRICT LONGHUA Free format text: FORMER OWNER: LUO JIXIU Effective date: 20061103 |
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Effective date of registration: 20061103 Address after: 110000 105 Rose Street, Sujiatun District, Liaoning, Shenyang Patentee after: Sujiatun Longhua cooking utensils factory of Shenyang Address before: 110000 105 Rose Street, Sujiatun District, Liaoning, Shenyang Patentee before: Luo Jixiu |
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