CN101007483A - Method for forming sulfidization pattern on rubber product surface - Google Patents
Method for forming sulfidization pattern on rubber product surface Download PDFInfo
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- CN101007483A CN101007483A CN 200710003419 CN200710003419A CN101007483A CN 101007483 A CN101007483 A CN 101007483A CN 200710003419 CN200710003419 CN 200710003419 CN 200710003419 A CN200710003419 A CN 200710003419A CN 101007483 A CN101007483 A CN 101007483A
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Abstract
The invention involves a rubber product surface vulcanizing pattern method, it includes the following steps: i) selecting the patterns needed vulcanizing on the rubber product, and formulating the printing oil containing rubber materials and sulfur; ii) printing the said patterns in step i) on the high temperature resistant paper film through printer, then getting pattern paper film; iii)injecting the rubber raw materials into the blank die of rubber product, preparing embryonic rubber product; iv) sticking said pattern paper film in step ii) on the needed position in embryonic rubber product; v) putting the embryonic rubber product with said pattern paper film prepared in step iv) in the product shaping die, heating and vulcanizing treatment; vi) taking the embryonic rubber product said in step v) out from shaping die, removing paper film and getting the rubber product which surface has patterns. The invention enables pattern stable, product external appearance good, die cost low, die is difficult to be polluted, it is suitable for various rubber surface patterns vulcanization.
Description
Technical field
The present invention relates to the rubber field, be specifically related to a kind of method of forming sulfidization pattern on rubber product surface.
Background technology
Rubber relates to human lives's every aspect, particularly for the rubber that uses in people's daily life, make various patterns for the life that beautifies people at product surface, make product more attractive in appearance, this is the target that rubber manufacturers seek assiduously.Pattern is printed on the method for rubber article, usually adopt the method for sulfuration in the rubber industry, promptly in being mixed with the printing-ink of rubber, add an amount of sulphur, the effect by sulphur at high temperature, rubber in the rubber combines with the rubber in the printing ink is fine and close, thereby pattern is fixed on the rubber.
At present when the rubber article of different shape is vulcanized various pattern color, the mould of use internal channel is arranged isolating color, more single though color can multicolor, and have concavo-convexly every colour band, integrality can disfeature.Also have to adopt and to spray paint or the mode of transfer printing is handled, the shortcoming of these processing modes is to come off easily to fade.Prior art also has employing after rubber article is made the groove pattern at present, splashes into color paint again in groove, and the shortcoming of this method is to destroy the outward appearance of product surface.
Chinese patent application (application number 200510017728.6, a kind of bar code for sulfurizing rubber tyre and preparation technology thereof are disclosed publication number CN1887981), it forms with following feedstock production, and raw material includes by mass: bromination fourth 50～70 grams, natural rubber 30～50 grams, terpene resin 60～100 grams, softening agent 10～20 grams, age resistor 1～3 gram, white carbon black 5～10 grams and titanium dioxide 50～80 grams.Its preparation technology is as follows: the first step stamps bar code and number with the printing ink of rubber preparation with twine on transparent polyester film; In second step, be coated with the vulcanizing material that goes on foot one deck white; The 3rd step film is cut into single tire bar code.This method is not suitable in the particularly pattern-making on the rubber of family daily necessity of General Purpose Rubber goods.
Chinese patent (the patent No. 95100525.1, a kind of method for making of colored drawing art sole is disclosed publication No. CN1126567), its main feature is to make sole have different colors, to increase the outer surface aesthetic property and the variability of sole, its method for making mainly is to mix the chain machine with rubber, filler, auxiliary agents etc. are made rubber mass, again with roller with rubber mass, sulphur, promoter, coloring material for mixing is even, and wheel load goes out the sheet rubber wait sulfuration of sheet, again with paint or pigment colored drawing in mould, thereafter the sheet rubber with sheet places the mould vulcanizing/forming, just can become the finished product of the sole with colored drawing after the die sinking.This method needs a large amount of moulds, and need pay the great amount of manpower work, the production cost height, and the base period in production week is long.What is more important, this method are colored drawing on mould with paint or pigment, need mould is cleaned up again after so whenever finishing a finished product, and this cleaning are unusual difficulties.
Chinese patent application (application number 200510095925.X, a kind of production method of transfer printing film that is used for rubber is disclosed publication number CN1824523), as the printing film carrier, use rubber resin system base gravure ink with release film, adopt the intaglio printing mode to make and form; Specifically comprise the steps: (1) stamp picture and text contribution elder generation system one cover gravure printing roller according to the client; (2) will overlap gravure printing roller and all be installed to each corresponding printing station on the intaglio press successively, rubber resin system base gravure ink is poured in the corresponding disc successively, allow release film pass each corresponding printing station on the printing machine, until the rolling position, release is printing surface; (3) start printing machine, allow release film with certain speed running, debugging finishes, and allows film print or chromatography by each corresponding printing station successively, arrives the rolling position, just can obtain to stamp the transfer film finished product of complete stamp picture and text ink lay.The transfer film that is used for rubber that makes by the inventive method, be made up of release rete 1, stamp picture and text ink lay 2, its goods can adopt the transfer printing applique field of shifting the method for after cure earlier and being applied to rubber article such as rubber rain shoes, rubber tyre, V-belt, balloon equally.Advantage such as this invention production method has the automaticity height, print speed printing speed is fast, efficient is high, product property is stable and production cost is low.But used mould release membrance in this patent application disclosed method, when using this transfer film to print rubber, needs elder generation to rubber, carries out high temperature vulcanized design transfer on the transfer film again.The shortcoming of this method is can not push product in sulfidation, causes trick paint to flow easily, and needs after the pattern printing through high temperature drying.The shortcoming that more is difficult to overcome is that this release transfer film is when being used for the vulcanization of rubber, relatively be applicable to smooth smooth rubber surface, then result of use is not good for rough surface, in addition, ink pigment adheres on the mould easily, mould is cleaned bring very big trouble.
Therefore, guarantee that the rubber finished product has good surface appearance, trick paint is stablized not to come off, in the rubber manufacture process, reduce the use amount of mould, improve industrial mechanization degree, avoid mould to be subjected to the pollution of pigment, goods can be accepted high-intensity extruding in sulfidation, being suitable for the pattern sulfuration of various rubber surfaces, is urgent problem in the forming sulfidization pattern on rubber product surface process.
Summary of the invention
In order to solve the above-mentioned problems in the prior art, the invention provides a kind of method of forming sulfidization pattern on rubber product surface, it is characterized in that it may further comprise the steps:
I) select to vulcanize pattern to the rubber, and preparation contains the printing ink of the printing usefulness of rubber raw materials and sulphur;
Ii) by printing machine with step I) described pattern is printed on the high temperature resistant paper film, obtains the bristol paper film;
The rubber raw materials that iii) will prepare in advance injects the embryo mould of making rubber in advance, makes the rubber blank;
Iv) with step I i) described bristol paper film pastes the desired location of rubber blank;
V) with step I v) the rubber blank that is pasted with described bristol paper film of gained be placed in advance in the product molding mould of making, baking is handled;
Vi) from the product molding mould, take out the v) described rubber blank of step, tear the paper film off, promptly get the surperficial finished product that has the rubber of pattern.
Pattern above-mentioned to be made can be various patterns, for example can be the pattern of making by taking pictures or drawing.This pattern visually can present three-dimensional and spatialization after handling by printing machine.
Above-mentioned printing ink, can prepare voluntarily, also can directly buy from the market, the rubber raw materials that promptly contains desired amount in the printing ink of commercially available product, the for example luxuriant scientific and technological silicon rubber printing ink of the Dongguan City letter factory vulcanization of rubber transfer of ink of producing, the silicon rubber printing ink HY that Foshan Hualian Organosilicon Co., Ltd. produces etc., just can be conveniently used in the present invention, the rubber raw materials that comprises in these printing ink is enough to make pattern to be fixed on the rubber.Above-mentioned printing ink can add the sulphur of dosage before use.Particularly, the sulphur that contains 1～15% weight in the above-mentioned printing ink.The sulphur that preferably contains 3～10% weight.
Above-mentioned high temperature resistant paper film has the paper of unlikely damage under higher temperature, usually the temperature that is used to vulcanize should be tolerated, particularly, the temperature more than 100 ℃ can be tolerated usually, the preferred temperature that tolerates more than 200 ℃, the preferred temperature that tolerates more than 300 ℃.In addition, this paper film and rubber or ink pigment do not have intermiscibility, and promptly rubber or ink pigment can not be with this paper film dissolvings.Realize that the used paper film of the present invention can easily buy from the market, for example available from the high temperature resistant paper of flame-proof thermal insulation material factory of Deqing Cathay, Shenzhen high temperature resistant paper film etc. of 326526 types of Li Jiaonianzhipinchang forever is exactly good selection of the present invention.
In the process of using the rubber that method preparation of the present invention surface has forming sulfidization pattern, make rubber embryo mould in advance, the rubber liquid for preparing is injected this embryo mould, make the rubber embryo.By preparation rubber embryo, can very effectively reduce the flowability of rubber, be of value to carrying out smoothly of operations such as the paper film stickup of back and sulfuration.
The figuratum high temperature resistant paper film of above-mentioned printing sticks on the corresponding desired location of rubber embryo with it as required.
Make the product molding mould in advance.The volume of this product molding mould is compared bigger with the volume of the rubber embryo of above-mentioned preparation or is equated.Particularly, the volumetric ratio of the volume of described rubber blank and goods shaping dies is 1: 1～1: 1.2.Preferably, the volumetric ratio of the volume of described rubber blank and goods shaping dies is 1: 1.One of ordinary skill in the art will readily recognize that since adopt the paper film with design transfer to rubber article, its thickness is less, so concavo-convex accordingly (negative and positive) position of rubber blank and goods shaping dies can be basically identical, perhaps mould is bigger.
The rubber blank of the described bristol paper film of being pasted with of above-mentioned gained is placed in this product molding mould of making in advance, mould is heated vulcanizing treatment.Parameters such as the temperature of sulfuration, time can be because of the thickness of rubber, the factor changes such as batching of rubber raw materials.Particularly, the curing temperature of baking treatment process of the present invention is 100～200 ℃, and preferred curing temperature is 120～180 ℃.The cure time of baking treatment process of the present invention is 0.5～15min, and preferred cure time is 1～10min.
By the present invention, rubber article pattern color and rubber complete cure are in the same place, rubber ink is transformed into the part of rubber and difficult drop-off.Each pattern is with printing treatment, and visually pattern can present three-dimensional, and finished product has good surface appearance.No matter various patterns all can be made the glue egative film by taking pictures or drawing in the present invention, optionally change with printing treatment technology, thereby can save a large amount of die costs, the mechanization degree height of producing, mould can not be subjected to the pollution of pigment, goods can be accepted high-intensity extruding in sulfidation, be suitable for the pattern sulfuration of various rubber surfaces.
Below the present invention is further illustrated by the drawings and specific embodiments.
Description of drawings
Fig. 1 is the process chart of the method for forming sulfidization pattern on rubber product surface.
The specific embodiment
At first the present invention is elaborated: as shown in Figure 1, be the detailed process flow figure of the method for forming sulfidization pattern on rubber product surface of the present invention by accompanying drawing.At first select to vulcanize the pattern to the rubber, and preparation contains the printing ink of the printing usefulness of rubber raw materials (if contain rubber raw materials in the commercially available printing ink that adopts, then needn't add again, perhaps add according to operating position) and sulphur; Be printed on the high temperature resistant paper film by the above pattern of printing machine, the paper film is at room temperature air-dry in good time, obtains the bristol paper film; Make rubber embryo mould separately in advance, so that make the rubber blank therein; The preparation rubber raw materials injects rubber in rubber embryo mould, make the rubber blank, and this blank can reduce the flowability of rubber effectively, so that next step pad pasting and vulcanizing treatment operation; The bristol paper film is sticked on the needed position of Manufactured rubber blank; Make the rubber shaping dies in advance, the volume of this mould as mentioned before, its volume equals or is slightly larger than the volume of rubber blank; The rubber blank of pasting patterns paper film is placed the product molding mould, mould is carried out baking, can carry out extrusion modling according to the characteristic of goods in case of necessity; Die sinking after sulfuration finishes is taken out goods from mould; Tear high temperature resistant paper film off and promptly get patterned rubber finished product.Mould can carry out the vulcanisation operation of another goods apace after the die sinking through cooling.Mould can be not fast by ink pollution, speed of production in the inventive method.
Embodiment 1: rubber soles surface forming sulfidization pattern
Preparation contains the printing ink of the rubber raw materials and the different batchings of sulphur (1%, 3%, 5%, 8%, 10% or 15%).Adopt identical pattern to be printed on the high temperature resistant paper film in the printing ink of different proportionings, air-dry in good time.Other prepares the rubber raw materials of identical rubber soles, is injected in the identical shaped rubber soles embryophoric membrane, makes the rubber soles blank.The figuratum paper film of printing is sticked on the same position of rubber soles blank, make 1: 1,1: 1.1,1: 1.2 (blank: the rubber soles mould of ratio mould) respectively, place mould respectively at 100 ℃, 120 ℃, 140 ℃, 160 ℃, 180 ℃ and 200 ℃ of sulfuration 0.5min, 1min, 3min, 6min, 10min and 15min the rubber soles blank that is pasted with the bristol paper film, die sinking, tear the paper film off, promptly get patterned rubber soles finished product.From product appearance, whether the tightness of pattern vulcanized quality, trick paint (peels off easily, with the identical dynamics of same coated abrasive friction 10 times), yield rate (comprising the product that test items such as product appearance, vulcanized quality are all qualified) etc. investigates product quality, the results are shown in Table 1.Yield rate under each experimental condition is all more than 90%.
The rubber soles of table 1 different technology conditions preparation
| Numbering | 1 | 2 | 3 | 4 | 5 | 6 |
| Sulphur | 1％ | 3％ | 5％ | 8％ | 10％ | 15％ |
| Blank: mould | 1∶1 | 1∶1.1 | 1∶1.2 | 1∶1 | 1∶1.1 | 1∶1.2 |
| Curing temperature | 100℃ | 120℃ | 140℃℃ | 160℃ | 180℃ | 200℃ |
| Cure time | 15min | 10min | 6min | 3min | 1min | 0.5min |
| Product appearance | Well | |||||
| Vulcanized quality | Well | |||||
| The pattern tightness | Fastening | |||||
As seen the result makes the figuratum rubber of surface sulfuration by the inventive method from table, has obtained the good technical effect.
Claims (10)
1, a kind of method of forming sulfidization pattern on rubber product surface is characterized in that, it may further comprise the steps:
I) select to vulcanize pattern to the rubber, and preparation contains the printing ink of the printing usefulness of rubber raw materials and sulphur;
Ii) by printing machine with step I) described pattern is printed on the high temperature resistant paper film, obtains the bristol paper film;
The rubber raw materials that iii) will prepare in advance injects the embryo mould of the making rubber of making in advance, makes the rubber blank;
Iv) with step I i) described bristol paper film pastes the desired location of rubber blank;
V) with step I v) the rubber blank that is pasted with described bristol paper film of gained be placed in advance in the product molding mould of making, baking is handled;
Vi) from the product molding mould, take out the v) described rubber blank of step, tear the paper film off, promptly get the surperficial finished product that has the rubber of pattern.
2, method according to claim 1 is characterized in that, contains the sulphur of 1～15% weight in the described printing ink.
3, method according to claim 2 is characterized in that, contains the sulphur of 3～10% weight in the described printing ink.
4, method according to claim 1 is characterized in that, described high temperature resistant paper film is a tolerable temperature greater than 100 ℃ high temperature resistant paper film, and this high temperature resistant paper film and rubber do not have intermiscibility.
5, method according to claim 1 is characterized in that, the volumetric ratio of the volume of described rubber blank and goods shaping dies is 1: 1～1: 1.2.
6, method according to claim 5 is characterized in that, the volumetric ratio of the volume of described rubber blank and goods shaping dies is 1: 1.
7, method according to claim 1 is characterized in that, the curing temperature that described baking is handled is 100～200 ℃.
8, method according to claim 7 is characterized in that, the curing temperature that described baking is handled is 120～180 ℃.
9, method according to claim 1 is characterized in that, the cure time that described baking is handled is 0.5～15min.
10, method according to claim 9 is characterized in that, the cure time that described baking is handled is 1～10min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 200710003419 CN101007483A (en) | 2007-02-06 | 2007-02-06 | Method for forming sulfidization pattern on rubber product surface |
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| CN 200710003419 CN101007483A (en) | 2007-02-06 | 2007-02-06 | Method for forming sulfidization pattern on rubber product surface |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102285267A (en) * | 2011-06-03 | 2011-12-21 | 吕贵棠 | Transfer membrane specially used for environment-friendly rubber based on vulcanization process and vulcanizing transfer printing method |
| CN102771966A (en) * | 2012-06-29 | 2012-11-14 | 林韶孟 | Watchband and producing method thereof |
| WO2015085680A1 (en) * | 2013-12-11 | 2015-06-18 | 湖北久瑞核技术股份有限公司 | Ink capable of being cured on automobile tire, and preparation method therefor |
| CN104875515A (en) * | 2015-05-29 | 2015-09-02 | 邓传溪 | Trademark rubber transfer process |
| CN108162281A (en) * | 2017-12-25 | 2018-06-15 | 浙江嘉益保温科技股份有限公司 | A kind of Silica Surface printing technology |
| CN108437308A (en) * | 2018-04-28 | 2018-08-24 | 南京金三力高分子科技有限公司 | A kind of curing forming mold and manufacturing method of ink jet printing transfer rubber pedal pad |
| CN109016285A (en) * | 2018-07-11 | 2018-12-18 | 万达集团股份有限公司 | A kind of production technology of colour graph-text identification tire |
| CN110126318A (en) * | 2019-05-15 | 2019-08-16 | 三角轮胎股份有限公司 | The manufacturing method of color tyre |
| CN111938278A (en) * | 2020-08-14 | 2020-11-17 | 东莞市祥丰鞋材有限公司 | Method for forming patterns in transparent rubber shoe material |
| CN111958993A (en) * | 2020-05-25 | 2020-11-20 | 余新军 | Forming process of product with multicolor pictures and texts |
| CN112918094A (en) * | 2021-01-24 | 2021-06-08 | 东莞市勤进模具塑胶有限公司 | Rubber product with printing surface and printing method thereof |
-
2007
- 2007-02-06 CN CN 200710003419 patent/CN101007483A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102285267A (en) * | 2011-06-03 | 2011-12-21 | 吕贵棠 | Transfer membrane specially used for environment-friendly rubber based on vulcanization process and vulcanizing transfer printing method |
| CN102771966A (en) * | 2012-06-29 | 2012-11-14 | 林韶孟 | Watchband and producing method thereof |
| WO2015085680A1 (en) * | 2013-12-11 | 2015-06-18 | 湖北久瑞核技术股份有限公司 | Ink capable of being cured on automobile tire, and preparation method therefor |
| CN104875515A (en) * | 2015-05-29 | 2015-09-02 | 邓传溪 | Trademark rubber transfer process |
| CN108162281A (en) * | 2017-12-25 | 2018-06-15 | 浙江嘉益保温科技股份有限公司 | A kind of Silica Surface printing technology |
| CN108437308B (en) * | 2018-04-28 | 2024-01-30 | 南京金三力高分子科技有限公司 | Vulcanization molding die for printing ink printing transfer rubber pedal pad and manufacturing method |
| CN108437308A (en) * | 2018-04-28 | 2018-08-24 | 南京金三力高分子科技有限公司 | A kind of curing forming mold and manufacturing method of ink jet printing transfer rubber pedal pad |
| CN109016285A (en) * | 2018-07-11 | 2018-12-18 | 万达集团股份有限公司 | A kind of production technology of colour graph-text identification tire |
| CN110126318A (en) * | 2019-05-15 | 2019-08-16 | 三角轮胎股份有限公司 | The manufacturing method of color tyre |
| CN111958993A (en) * | 2020-05-25 | 2020-11-20 | 余新军 | Forming process of product with multicolor pictures and texts |
| CN111958994A (en) * | 2020-05-25 | 2020-11-20 | 余新军 | Forming method of multicolor image-text rubber product |
| CN111938278A (en) * | 2020-08-14 | 2020-11-17 | 东莞市祥丰鞋材有限公司 | Method for forming patterns in transparent rubber shoe material |
| CN111938278B (en) * | 2020-08-14 | 2022-01-18 | 东莞市祥丰鞋材有限公司 | Method for forming patterns in transparent rubber shoe material |
| CN112918094A (en) * | 2021-01-24 | 2021-06-08 | 东莞市勤进模具塑胶有限公司 | Rubber product with printing surface and printing method thereof |
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