CN110923629A - 汽车标牌镀氮化钛工艺 - Google Patents
汽车标牌镀氮化钛工艺 Download PDFInfo
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- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
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- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/221—Ion beam deposition
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
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- C23C14/0021—Reactive sputtering or evaporation
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
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- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/0641—Nitrides
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- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
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- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/58—After-treatment
- C23C14/5806—Thermal treatment
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Abstract
本发明公开了一种汽车标牌镀氮化钛工艺,包括以下步骤:(1)对塑料基板进行表面处理;(2)对塑料基板表面进行电镀高光或哑光处理;(3)对塑料基板表面进行超声波清洗,清洗完后进行烘干处理;(4)将塑料基板放入真空镀膜机,对塑料基板表面进行高能钛离子轰击,工作偏压为1000‑1100伏;(5)将工作偏压调低至300‑350V,使钛离子轰击变成沉积过程,并通入氮气,使塑料基板表面沉积一层氮化钛。该工艺较为环保,可以在塑料基板上镀上一层氮化钛薄膜,氮化钛呈金黄色,且氮化钛薄膜硬度高,使得产品更加耐刮。
Description
技术领域
本发明涉及汽车标牌金色非仿金镀膜技术领域,具体讲是一种汽车标牌镀氮化钛工艺。
背景技术
目前,金色汽车标牌以金属制品镀钛,或用塑料镀真金和仿金来达到金色标牌的目的,存在着成本高、金属标牌质量重的缺点,而且镀仿金用到氰化物,对环境影响极大,用无氰电镀则达不到仿金效果。
发明内容
鉴于上述现有技术的缺陷,本发明的目的在于:提供一种汽车标牌镀氮化钛工艺。
为解决上述问题,本发明的技术解决方案是:汽车标牌镀氮化钛工艺,包括以下步骤:
(1)对塑料基板进行表面处理;
(2)对塑料基板表面进行电镀高光或哑光处理;
(3)对塑料基板表面进行超声波清洗,清洗完后进行烘干处理;
(4)将塑料基板放入真空镀膜机,对塑料基板表面进行高能钛离子轰击,工作偏压为1000-1100伏;
(5)将工作偏压调低至300-350V,使钛离子轰击变成沉积过程,并通入氮气,使塑料基板表面沉积一层氮化钛。
进一步地,它还包括步骤(6)将镀好氮化钛基板进行老化处理。
进一步地,老化处理是指:将镀好氮化钛基板在空气中进行烘烤处理。
进一步地,步骤(1)中,先将塑料基板除油,除油后进行水洗,水洗后放入前处理液中同时进行粗化、敏化、活化,然后水洗后烘干。
进一步地,所述前处理液由铬酸、硫酸、湿润剂、硫酸化氧化铝、乙酸、氯化钯、乳化剂和水组成。
本发明的有益效果是:该工艺较为环保,可以在塑料基板上镀上一层氮化钛薄膜,氮化钛呈金黄色,且氮化钛薄膜硬度高,使得产品更加耐刮。
具体实施方式
为比较直观、完整地理解本发明的技术方案,现进行非限制性的特征说明如下:
实施例一:汽车标牌镀氮化钛工艺,包括以下步骤:
(1)对塑料基板进行表面处理;
(2)对塑料基板表面进行电镀高光或哑光处理;
(3)对塑料基板表面进行超声波清洗,清洗完后进行烘干处理;
(4)将塑料基板放入真空镀膜机,对塑料基板表面进行高能钛离子轰击,工作偏压为1000伏;
(5)将工作偏压调低至300V,使钛离子轰击变成沉积过程,并通入氮气,使塑料基板表面沉积一层氮化钛;
(6)将镀好氮化钛基板进行老化处理。
老化处理是指:将镀好氮化钛基板在空气中进行烘烤处理。氮化钛制成后,因为沉积过程中薄膜材料分子从气相到固相的冷却非常迅速,其性质会逐渐发生变化,存在着各种缺陷,采用烘烤退火处理后,使薄膜具有再结晶过程和再反应过程,烘烤后薄膜牢固度和抗潮能力大大提高。
步骤(1)中,先将塑料基板除油,除油后进行水洗,水洗后放入前处理液中同时进行粗化、敏化、活化,然后水洗后烘干。
前处理液由以下质量比的原料组成:铬酸12%、硫酸12%、湿润剂1%、硫酸化氧化铝15%、乙酸7.9%、氯化钯0.1%、乳化剂2%、水50%。制备时称取适量的原料,将原料混合后在温度为30摄氏度的环境下均匀搅拌40分钟。
铬酸12%、硫酸12%、湿润剂1%组成粗化剂,起到粗化塑料表面的作用,硫酸化氧化铝用于溶解氯化钯,氯化钯被吸附或渗透到塑料基板表面,乙酸不但可消除塑料的残余应力,提高镀层的结合力,还可防止粗化剂的水解,乳化剂可以降低塑料表面张力,提高塑料表面的亲水性。
Claims (5)
1.汽车标牌镀氮化钛工艺,其特征在于包括以下步骤:
(1)对塑料基板进行表面处理;
(2)对塑料基板表面进行电镀高光或哑光处理;
(3)对塑料基板表面进行超声波清洗,清洗完后进行烘干处理;
(4)将塑料基板放入真空镀膜机,对塑料基板表面进行高能钛离子轰击,工作偏压为1000-1100伏;
(5)将工作偏压调低至300-350V,使钛离子轰击变成沉积过程,并通入氮气,使塑料基板表面沉积一层氮化钛。
2.根据权利要求1所述的汽车标牌镀氮化钛工艺,其特征在于:它还包括步骤(6)将镀好氮化钛基板进行老化处理。
3.根据权利要求2所述的汽车标牌镀氮化钛工艺,其特征在于:老化处理是指:将镀好氮化钛基板在空气中进行烘烤处理。
4.根据权利要求1所述的汽车标牌镀氮化钛工艺,其特征在于:步骤(1)中,先将塑料基板除油,除油后进行水洗,水洗后放入前处理液中同时进行粗化、敏化、活化,然后水洗后烘干。
5.根据权利要求4所述的汽车标牌镀氮化钛工艺,其特征在于:所述前处理液由铬酸、硫酸、湿润剂、硫酸化氧化铝、乙酸、氯化钯、乳化剂和水组成。
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