WO2013056678A1 - 一种幻彩人造宝石及其制备方法 - Google Patents

一种幻彩人造宝石及其制备方法 Download PDF

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Publication number
WO2013056678A1
WO2013056678A1 PCT/CN2012/083244 CN2012083244W WO2013056678A1 WO 2013056678 A1 WO2013056678 A1 WO 2013056678A1 CN 2012083244 W CN2012083244 W CN 2012083244W WO 2013056678 A1 WO2013056678 A1 WO 2013056678A1
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Prior art keywords
lead
free glass
color
glass
glue
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PCT/CN2012/083244
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English (en)
French (fr)
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牟小燕
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Mu Xiaoyan
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Publication of WO2013056678A1 publication Critical patent/WO2013056678A1/zh

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    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C27/00Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing
    • C03C27/06Joining glass to glass by processes other than fusing
    • C03C27/10Joining glass to glass by processes other than fusing with the aid of adhesive specially adapted for that purpose
    • AHUMAN NECESSITIES
    • A41WEARING APPAREL
    • A41DOUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D19/00Gloves
    • A41D19/015Protective gloves
    • AHUMAN NECESSITIES
    • A44HABERDASHERY; JEWELLERY
    • A44CPERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C27/00Making jewellery or other personal adornments
    • AHUMAN NECESSITIES
    • A44HABERDASHERY; JEWELLERY
    • A44CPERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C27/00Making jewellery or other personal adornments
    • A44C27/001Materials for manufacturing jewellery
    • A44C27/005Coating layers for jewellery
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/22Surface treatment of glass, not in the form of fibres or filaments, by coating with other inorganic material
    • C03C17/23Oxides
    • C03C17/245Oxides by deposition from the vapour phase

Definitions

  • the invention relates to an artificial gemstone and a preparation method thereof, in particular to a magical artificial gemstone and a preparation method thereof, and belongs to the technical field of artificial gemstone or artificial crystal processing.
  • Artificial crystals are high-lead glass, or lead-crystal glass, which is a synthetic crystal with brightness and transparency similar to that of natural crystals by adding 24% lead oxide to ordinary glass (component of silica). At present, artificial crystals produce transparent refraction through the addition of more than 24% lead by silica.
  • the downside is that it has a high lead content and cannot meet the international ROHS environmental standards.
  • all the colors are plated on the surface of the product, and the process is easy to wear.
  • the color depth due to the thickness of the glass is inconsistent, so it is not easy to control.
  • the color change of the glass is small, the production of the individual color is large, and there is a problem of high development cost; currently there is a problem in the artificial crystal, the color is relatively monotonous, and the color type is small.
  • the artificial crystal color film on the market is generally plated on the surface to cover the lower layer color, and the color cannot be clearly displayed.
  • the object of the present invention is to solve the problem that the artificial crystal is not environmentally friendly, the color is small, and the production cost is high.
  • the technical solution adopted by the present invention is:
  • a illusion artificial gems which are coated with a color film on the lead-free glass as the upper layer, and then coated with a color film on the upper layer.
  • Lead-free glass and the lower lead-free glass are connected, and after being solidified, cut, and ground into different angles, the magical artificial gemstones have different effects due to the thickness of the film and the difference in the upper and lower positions of the glue and the color of the glue.
  • Magical artificial gemstones are coated with a color film on the lead-free glass as the upper layer, and then coated with a color film on the upper layer.
  • the lead-free glass described above is a color lead-free glass or an ultra-white lead-free glass.
  • the ultra-white glass has a light transmission percentage of > 91%, and the percentage of iron is less than or equal to 0.014%, and the percentage is a weight percentage.
  • the above glue is a glue having a viscosity of 400-500 mpa.s.
  • the above curing was carried out for 5 seconds under the condition that the 40 watt PHILIPS ultraviolet lamp was 70.5 mW/cm, and the complete curing energy was 500-600 mj/cm.
  • Another object of the present invention is to provide a method for preparing a magical artificial gemstone, comprising the following steps: (1) Cleaning: The original piece of lead-free glass is washed twice by a glass washer and rinsed with pure water, and dried. The original lead-free glass is sufficiently dried and cleaned for use;
  • a film material composed of silicon dioxide SiO 2 , titanium dioxide Ti 0 2 and pentoxide pentoxide Ti 3 0 5 is placed in an electron gun;
  • the vacuum coating machine is vacuumed by various vacuum pumping units, and the degree of vacuum is 1 ⁇ 3X 10- 3 pa;
  • Heating the heating temperature of the vacuum coating machine chamber is about 250 degrees by the heater during the vacuuming process.
  • the adhered lead-free glass needs to meet the high strength, and the stick-free lead-free glass makes the non-steel glass 100% body damage without degumming;
  • Hidden (72) &: I (according to the difference:),,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,
  • the color film is placed in two pieces of glass. After four to five layers of refraction, different thicknesses of color film and color change, the upper and lower white glass or color glass refracts a small amount of color change, which can produce great magic. Color change, the difficulty is that the four to five contact surfaces should be free of impurities.
  • the surface of the glass itself has a chemical surface that is prone to fogging, so the glass is subjected to multiple levels of chemical polishing. Make the transparency reach the required standard.
  • the color film requirements are more stringent.
  • the refraction produced by domestically used silica (Si0 2 ) and titanium dioxide (Ti0 2 ) is a straight line.
  • the sapphire artificial gemstone produced by the invention has a strong degree of brilliance, and the color change is rich in tens of thousands, and currently there are only a few in the market. No quantity requirement, small amount of processing, production proofing is simple and fast, and it does not contain lead, lead content can be realized
  • the original color of the lead-free glass is ultra-white, the percentage of the lead-free glass with a percentage of 92% and the percentage of iron containing 0.014 is thoroughly cleaned by the secondary cleaning of the glass washer and the washing of the pure water.
  • the cleaned lead-free glass original film is placed in a vacuum coating machine chamber.
  • a quantitative film material (silica (SiO 2 ) titanium dioxide (Ti0 2 ) pentoxide (Ti 3 0 5 )) was placed in a library electron gun.
  • the vacuum chamber is evacuated to 1 X 10 - 3 pa by various vacuum pumping units, and the vacuum chamber is heated by the heater, and the required membrane material is melted by the electron gun current with high pressure regulation.
  • the multi-function workpiece rotation mode is started, and the vacuum coating is used to repeatedly process the Si0 2 and Ti 3 0 5 layers, and the precise numerical coefficient adjustment of the crystal thickness gauge is used to determine the process color of the final glass.
  • the coating is completed, pause for 5 minutes for natural cooling, inflate the vacuum, and open the chamber door to take out the processed glass.
  • the color film and the upper and lower layers of glass were connected by a colorless transparent liquid glue with a viscosity of 400 mpa.s (@25 ° C, rotary viscometer), and the positioning time was 40 watts PHILIPS ultraviolet lamp with a strength of 70.5 mw/cm. 5 seconds, full curing energy of 500mj / cm, reshaping, cutting, grinding into different angles to obtain the magical artificial gemstone.
  • the original glass is ultra-white, with a percentage of 92%, and the original glass with a percentage of iron of 0.014 is thoroughly cleaned by the secondary cleaning of the glass washer and the washing of pure water.
  • the cleaned glass original film is placed in a vacuum coating machine chamber.
  • a quantitative film material (silica (SiO 2 ) titanium dioxide (Ti0 2 ) pentoxide (Ti 3 0 5 )) was placed in a library electron gun.
  • the vacuum chamber is evacuated to 1 X 10- 3 pa by various vacuum pumping units, and the vacuum chamber is heated by the heater, and the required membrane material is melted by the electron gun current with high pressure regulation.
  • the multi-function workpiece rotation mode is started, and the vacuum coating is used to repeatedly process the Si0 2 and Ti 3 0 5 layers, and the precise numerical coefficient adjustment of the crystal thickness gauge is used to determine the process color of the final glass.
  • the coating is completed, pause for 8 minutes for natural cooling, inflate the vacuum, and open the chamber door to take out the processed glass.
  • the color film and the upper and lower layers of glass are connected by a colorless transparent liquid glue with a viscosity of 450 mpa.s (@25 ° C, rotational viscometer), at 40 watts PHILIPS violet
  • the positioning time was 5 seconds under the condition that the external line lamp was 70.5 mw/cm, and the complete curing energy was 550 mj/cm. Reshaping, cutting, grinding the magical artificial gemstones obtained at different angles, reshaping, cutting, and grinding into different angles to obtain the magical artificial gemstones.
  • the original glass is ultra-white, with a percentage of 92%, and the original glass with a percentage of iron of 0.014 is thoroughly cleaned by the secondary cleaning of the glass washer and the washing of pure water.
  • the cleaned glass original film is placed in a vacuum coating machine chamber.
  • a quantitative film material (silica (SiO 2 ) titanium dioxide (Ti0 2 ) pentoxide (Ti 3 0 5 )) was placed in a library electron gun.
  • the vacuum chamber is evacuated by various vacuum pumping units to reach l X 10 - 3 pa, and the vacuum chamber is heated by the heater, and the required membrane material is melted by the electron gun current with high pressure regulation.
  • the multi-function workpiece rotation mode is started, and the vacuum coating is used to repeatedly process the Si0 2 and Ti 3 0 5 layers, and the precise numerical coefficient adjustment of the crystal thickness gauge is used to determine the process color of the final glass.
  • the coating is completed, pause for 10 minutes for natural cooling, inflate the vacuum, and open the chamber door to take out the processed glass.
  • the color film and the upper and lower layers of glass were connected by a colorless transparent liquid glue with a viscosity of 500 mpa.s (@25 ° C, rotational viscometer), and the positioning time was 40 watts PHILIPS ultraviolet lamp with a strength of 70.5 mw/cm. 5 seconds, full curing energy of 600mj / cm, reshaping, cutting, grinding into different angles to obtain the magical artificial gemstone.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Textile Engineering (AREA)
  • Surface Treatment Of Glass (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Adornments (AREA)

Abstract

一种幻彩人造宝石是在无铅玻璃上镀彩膜作为上层,再用胶将镀了彩膜的上层无铅玻璃和下层无铅玻璃连接,固化后再整形,切割,研磨成不同角度而得到的幻彩人造宝石。由于膜的厚薄和胶结合上下位置不同以及胶的颜色不同而产生不同效果的幻彩人造宝石。还公开了该幻彩人造宝石的制备方法,其先在无铅玻璃上镀彩膜,再用胶将镀了彩膜的上层无铅玻璃和下层无铅玻璃连接;固化后再整形,切割,研磨成不同角度而得到该幻彩人造宝石。幻彩人造宝石可镀底也可不镀底,主要用于首饰、服装、鞋类、箱包、工艺品等。幻彩人造宝石经过四到五层的相互折射而产生从不同角度观察到的不同色变,而且还可以在极薄的水晶层通过光的折射产生很深的水晶效果,耀眼程度强烈,色彩变化丰富,可达上万种,成本低、加工无数量要求、生产打样简单快捷,不含铅,使得铅含量可实现ROHS的环保标准。

Description

一种幻彩人造宝石及其制备方法 技术领域
本发明涉及一种人造宝石及其制备方法,具体涉及一种幻彩人造宝石及其制 备方法, 属于人造宝石或人造水晶加工技术领域。
背景技术
人造水晶即高铅玻璃, 或称为铅晶质玻璃, 即在普通玻璃 (成分是二氧化硅) 中加入 24%的氧化铅,就会得到亮度和透明度与天然水晶类似的人造水晶。 目前 人造水晶都是通过二氧化硅加上 24%以上的铅产生透明折射的效果。不足之处是 其含铅量高, 不能满足国际 ROHS 的环保标准。 而且所有的彩都镀於产品的表 面, 加工使用过程容易磨损。 因玻璃的厚薄而产生的颜色深浅不一致, 所以不容 易控制。 玻璃颜色变化少, 单独颜色生产量要很大, 存在开发成本高的问题; 目 前人造水晶还存在一个问题, 色彩比较单调, 色彩种类较少。
在人们日益重视环保的情况下, 含铅量高的人造水晶的出口受到很大的限 制, 同时由于含铅量高, 给环境及人类带来的危害是有目共睹的, 所以人们一直 都在致力与研究开发一种无铅的人造水晶或宝石, 来代替目前含铅高的水晶。 目 前全球人造水晶厂商都在研究, 如何突破将人造水晶的含铅标准达到 ROHS 对 人体接触性物品的国际标准 (如全世界最大的奥地利人造水晶公司 SWAROVKI 施华洛斯奇一直都在研究此技术, 目前尚未成功), 但所有人造水晶厂商尚未突 破该技术。所以研究一种不含铅而又能使其效果和含铅的水晶一样的效果, 是一 个世界性的难题,这个问题一直困扰着人们,一直以来都没有很好的解决方法的, 严重阻碍了人造水晶的发展。
目前, 市面上人造水晶彩膜一般都镀在表面会将下层颜色覆盖, 不能清楚的 显示颜色。
鉴于以上诸多不足, 本申请人投入大量资金研究生产设备及产品技术, 终于 突破该技术难题。
发明内容
本发明的目的是解决目前人造水晶不环保, 颜色少, 生产单成本高的问题。 为了解决上述问题, 本发明所采用的技术方案是:
一种幻彩人工宝石, 是在无铅玻璃上镀彩膜作为上层, 再用胶将镀了彩膜的上层 无铅玻璃和下层无铅玻璃连接, 固化后再整形, 切割, 研磨成不同角度而得到的 幻彩人造宝石, 由于膜的厚薄和胶结合上下位置不同以及胶的颜色不同, 而产生 不同效果的幻彩人造宝石。
上述的无铅玻璃是颜色无铅玻璃或超白无铅玻璃,超白玻璃的光透过百分比 为〉 91%, 含铁的百分比为小于或等于 0.014%, 所述百分比为重量百分比。
上述的胶为粘度为 400-500 mpa.s的胶。
上述的固化是在 40瓦 PHILIPS紫外线灯强为 70.5mw/cm的条件下定位时间 5秒, 完全固化能量为 500-600mj/cm。
本发明的另一个目的是提供一种幻彩人造宝石的制备方法, 包括如下步骤: (1)清洗: 将无铅玻璃原片通过玻璃清洗机进行两次清洗并用纯净水冲洗干净, 烘干, 使无铅玻璃原片充分干燥清洁备用;
(2) 装炉: 将清洗干净的无铅玻璃原片放入真空镀膜机室内;
(3) 膜料的准备: 将由二氧化硅 Si02、 二氧化钛 Ti02和五氧化三钛 Ti305组成 的膜材料放入电子枪坩埚内;
(4) 抽真空: 通过各种真空泵机组对真空镀膜机进行抽真空, 真空度为 1~3X 10- 3pa;
(5)加热:在抽真空过程中通过加热器对真空镀膜机室内进行加热温度约为 250 度,
加强膜层的牢固度;
(6) 熔料、 真空镀膜: 当达到真空度时, 通过电子枪电流耐高压调节, 将所需 膜材料熔化, 待膜材料完全熔化后, 进行反复多层次的镀膜, 并通过晶体测厚仪 的精准数值系数调节来确定最后玻璃的工艺色彩;
(7) 冷却: 镀膜完成后, 自然冷却 5-10分钟;
(8) 出炉: 将真空镀膜机室内进行充气, 打开室门将镀好膜的无铅玻璃取出; (9) 用胶将镀了彩膜的上层无铅玻璃和下层无铅玻璃连接, 固化后再整形, 切 害 ^, 研磨成不同角度而得到的幻彩人造宝石。
粘好的无铅玻璃需满足下面的条件:
(1)粘好的无铅玻璃需满足强度高,粘立式无铅玻璃使非钢玻璃 100%本体破坏 不脱胶;
(2) 持久性能好, 在长期受力的条件下仍能保持高强度的粘着性; (3) 立面无铅玻璃粘接时胶层不发白、 或水纹;
(4) 能达到高硬度粘接的要求, 硬度为 (邵 D) 80。
以下数据是在高无极汞累积量 500mj/c m2固化后测得:
硬度 (邵 D) 80
断裂伸长率 (%) 230
抗张强度 (MPA) 18
透光强度 (%) 99
剪切强度 (MPA) 20
胶液粘接性测性能
以下数据是在压无极汞灯源累积能量 500MG/CM固化后测得:
Figure imgf000004_0001
Ί (IH) ( ) 90 (纖觀异常
辦隱 (72 ) &: I (姑據顏异 :) 、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、 、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、 本发明相对于现有技术的有益效果是:
将彩膜置入两片玻璃之中, 经过四到五层的折射之后, 不同的厚薄彩膜及颜 色的深浅变化, 上下白玻或色玻相互折射少量颜色变化, 就能产生极大的幻彩色 变, 其中难度在于四到五层接触面要达到无杂质。玻璃表面本身有化学物质表面 容易产生点雾覆盖, 所以玻璃经过多层次化学抛光。使透度达到所需之标准。彩 膜要求更是严格。 国内使用的二氧化硅 (Si02) 与二氧化钛 (Ti02) 所产生折射 是直线。 而我用目前国际最好的五氧化三钛(Ti305)它能产生点放射, 使其保持 满天星的点状放射。产生极大的色变, 因而保持从各种不同角度欣赏而产生不同 的点状变化, 是目前绝无仅有之产品,
目前市场没有此种加彩和颜色于两层玻璃之间的技术。本发明所生产的幻彩人造 宝石彩的耀眼程度强烈, 色彩变化丰富可上万种 , 而目前市场才有几种而已, 无数量要求, 可少量加工, 生产打样简单快捷, 同时其不含有铅, 铅含量可实现
ROHS的环保标准。
注: 本发明所有提到无铅玻璃是指含铅量低于 lOOOppm的玻璃。
具体实施方式
下面通过实施例对本发明做进一步详细说明,这些实施例仅用来说明本发明, 并不限制本发明的范围。
实施例 1
将颜色超白, 透过百分比为 92%, 含铁百分比为 0.014的无铅玻璃原片通过玻璃 清洗机的二次清洗及纯净水的冲洗烘, 使无铅玻璃原片充分干燥清洁。将清洗过 的无铅玻璃原片放入真空镀膜机室内。 将定量的膜材料(二氧化硅(Si02)二氧 化钛 (Ti02) 五氧化三钛(Ti305) )放入库电子枪坩埚内。 通过各种真空泵机组对 真空机室进行抽真空达到 1 X 10— 3pa, 同时通过加热器对真空室内进行加热, 通 过电子枪电流耐高压调节, 将所需膜材料熔化。膜完全熔化后, 开始采用多功能 工件转动方式, 真空镀膜对 Si02、 Ti305进行反复多层次的加工, 并通过晶体测 厚仪的精准数值系数调节来确定最后玻璃的工艺色彩。镀膜完成后, 停顿 5分钟 进行自然冷却, 将真空内进行充气, 打开室门将加工好的玻璃取出。 用粘度为 400 mpa.s(@25°C ,旋转黏度计)的无色透明液体胶将彩膜和上下两层玻璃连接,在 40瓦 PHILIPS紫外线灯强为 70.5mw/cm的条件下定位时间 5秒, 完全固化能量 为 500mj/cm, 再整形, 切割, 研磨成不同角度而得到的幻彩人造宝石。
实施例 2
将颜色超白, 透过百分比为 92%, 含铁百分比为 0.014的玻璃原片通过玻璃清洗 机的二次清洗及纯净水的冲洗烘, 使玻璃原片充分干燥清洁。将清洗过的玻璃原 片放入真空镀膜机室内。 将定量的膜材料(二氧化硅(Si02)二氧化钛 (Ti02) 五 氧化三钛 (Ti305) )放入库电子枪坩埚内。 通过各种真空泵机组对真空机室进行 抽真空达到 1 X 10- 3pa, 同时通过加热器对真空室内进行加热, 通过电子枪电流 耐高压调节,将所需膜材料熔化。膜完全熔化后,开始采用多功能工件转动方式, 真空镀膜对 Si02、 Ti305进行反复多层次的加工, 并通过晶体测厚仪的精准数值 系数调节来确定最后玻璃的工艺色彩。 镀膜完成后, 停顿 8分钟进行自然冷却, 将真空内进行充气, 打开室门将加工好的玻璃取出。用粘度为 450 mpa.s(@25°C , 旋转黏度计)的无色透明液体胶将彩膜和上下两层玻璃连接,在 40瓦 PHILIPS紫 外线灯强为 70.5mw/cm的条件下定位时间 5秒, 完全固化能量为 550mj/cm。 再 整形, 切割, 研磨成不同角度而得到的幻彩人造宝石, 再整形, 切割, 研磨成不 同角度而得到的幻彩人造宝石。
实施例 3
将颜色超白, 透过百分比为 92%, 含铁百分比为 0.014的玻璃原片通过玻璃清洗 机的二次清洗及纯净水的冲洗烘, 使玻璃原片充分干燥清洁。将清洗过的玻璃原 片放入真空镀膜机室内。 将定量的膜材料(二氧化硅(Si02)二氧化钛 (Ti02) 五 氧化三钛 (Ti305) )放入库电子枪坩埚内。 通过各种真空泵机组对真空机室进行 抽真空达到 l X 10—3pa, 同时通过加热器对真空室内进行加热, 通过电子枪电流 耐高压调节,将所需膜材料熔化。膜完全熔化后,开始采用多功能工件转动方式, 真空镀膜对 Si02、 Ti305进行反复多层次的加工, 并通过晶体测厚仪的精准数值 系数调节来确定最后玻璃的工艺色彩。镀膜完成后, 停顿 10分钟进行自然冷却, 将真空内进行充气, 打开室门将加工好的玻璃取出。用粘度为 500 mpa.s(@25°C , 旋转黏度计)的无色透明液体胶将彩膜和上下两层玻璃连接,在 40瓦 PHILIPS紫 外线灯强为 70.5mw/cm的条件下定位时间 5秒, 完全固化能量为 600mj/cm, 再 整形, 切割, 研磨成不同角度而得到的幻彩人造宝石。

Claims

O 2013/056678 权利要求书 PCT/CN2012/083244
1. 一种幻彩人工宝石, 其特征在于: 该幻彩人工宝石是在无铅玻璃上镀彩膜作 为上层,再用胶将镀了彩膜的上层无铅玻璃和下层无铅玻璃连接,固化后再整形, 切割,研磨成不同角度而得到的幻彩人造宝石, 由于膜的厚薄和胶结合上下位置 不同以及胶的颜色不同, 而产生不同效果的幻彩人造宝石。
2. 根据权利要求 1 所述的一种幻彩人造宝石, 其特征在于: 所述的无铅玻璃是 颜色无铅玻璃或超白无铅玻璃, 超白玻璃的光透过百分比为 >91%, 含铁的百分 比为小于或等于 0.014%, 所述百分比为重量百分比。
3. 根据权利要求 1所述的幻彩人造宝石,其特征在于:所述的胶为粘度为 400-500 mpa.s的胶。
4. 根据权利要求 1所述的幻彩人造宝石, 其特征在于: 所述的固化是在 6000瓦 PHILIPS紫外线灯强为 70.5mw/cm的条件下定位时间 5-15秒, 完全固化能量为 500-600mj/cm。
5. 一种用于制备权利要求 1 所述的幻彩人造宝石的方法, 其特征在于: 包括如 下步骤:
( 1 )清洗: 将无铅玻璃原片通过玻璃清洗机进行两次清洗并用纯净水冲洗干净, 烘干, 使无铅玻璃原片充分干燥清洁备用;
(2) 装炉: 将清洗干净的无铅玻璃原片放入真空镀膜机室内;
( 3 ) 膜料的准备: 将由二氧化硅 Si02、 二氧化钛 Ti02和五氧化三钛 Ti305组成 的膜材料放入电子枪坩埚内;
(4) 抽真空: 通过各种真空泵机组对真空镀膜机进行抽真空, 真空度为 1~3 X 10- 3pa;
( 5 )加热:在抽真空过程中通过加热器对真空镀膜机室内进行加热温度约为 250 度, 加强膜层的牢固度;
( 6) 熔料、 真空镀膜: 当达到真空度时, 通过电子枪电流耐高压调节, 将所需 膜材料熔化, 待膜材料完全熔化后, 进行反复多层次的镀膜, 并通过晶体测厚仪 的精准数值系数调节来确定最后玻璃的工艺色彩;
(7 ) 冷却: 镀膜完成后, 自然冷却 5-10分钟;
( 8 ) 出炉: 将真空镀膜机室内进行充气, 打开室门将镀好膜的无铅玻璃取出;
( 9) 用胶将镀了彩膜的上层无铅玻璃和下层无铅玻璃连接, 固化后再整形, 切 害 ^, 研磨成不同角度而得到的幻彩人造宝石。
PCT/CN2012/083244 2011-10-20 2012-10-19 一种幻彩人造宝石及其制备方法 WO2013056678A1 (zh)

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CN104057759B (zh) * 2014-06-24 2016-07-06 董廷安 紫外焊接法制备多彩宝石
WO2019205056A1 (zh) * 2018-04-26 2019-10-31 广州市中禧珠宝有限公司 一种宝石颜色优化方法
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