CN1448731A - 热塑性树脂的染色方法和通过该方法获得的着色塑料透镜 - Google Patents
热塑性树脂的染色方法和通过该方法获得的着色塑料透镜 Download PDFInfo
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Abstract
本发明提供使热塑性树脂塑料透镜按任意的色调和密度有效地染色的方法和着色的塑料透镜。该方法通过在含有分散染料和单环单萜的染色液体中浸渍热塑性树脂塑料透镜,使树脂塑料透镜染色。通过该方法染色获得了着色的塑料透镜。
Description
发明详述
发明所属技术领域
本发明涉及热塑性树脂,特别是热塑性树脂塑料透镜的染色方法,和涉及通过该方法获得的着色塑料透镜。更具体地说,本发明涉及热塑性树脂的染色方法,它可在低温下短时间地使热塑性树脂有效染色,和涉及通过该方法获得的着色塑料透镜。
作为模塑塑料透镜的方法,常使用铸塑聚合或注塑,各方法均在眼镜领域中进行。作为通过注塑获得的透镜,已知用包含双酚A的聚碳酸酯作为原料制造的透镜。当包含双酚A的聚碳酸酯用作原料时,可缩短透镜的制造时间,并且可赋予良好的耐冲击性。因此,已提出许多通过注塑获得的热塑性透镜。
作为塑料透镜的染色方法,常使用水作为分散介质,用分散染料染色的方法。此外,至于使用水作为分散介质,用分散染料难以染色的塑料透镜,提出载体染色法(其中将三氯代苯或类似物加入到染色液体中)、压力染色法、加热有机染料并在气相中升华以实现染色的方法、和硬层(hardcoat)薄膜染色法。
然而,热塑性树脂如包含双酚A的聚碳酸酯是高度疏水的。因此,难以用分散染料进行通常的染色,特别是高密度染色。
此外,在使用上述各种常规染色法用于热塑性树脂塑料透镜的情况下,涉及下述问题。
在使用水作为分散介质,用分散染料染色中,必须在相对高的温度下经历染色。因此,难以将这一染色法应用到低玻璃化转变温度的热塑性树脂塑料透镜中。
在载体染色法中,热塑性树脂在耐溶剂方面不如热固性树脂。因此,在光学塑料透镜内通常使用的载体材料中,透镜表面被侵蚀,使得透明度可能受损。此外,常规的载体含有作为主要组分的三氯代苯、二氯代苯、苯基苯酚、联苯、甲基萘或类似物。这些化合物作为可能引起环境污染或负面影响人体的物质被列出。因此,当考虑到环境问题时,在将来使用含有这种化合物作为主要组分的载体材料不是理想的。
在压力染色法中,由于压力,可能损害塑料透镜的光学性能。
在加热有机染料并在气相中升华以实现染色的方法中,由于热塑性树脂的耐热性通常差,因此难以应用这种方法。
在硬层薄膜染色法中,由于在硬质薄膜中难以含有大量染料,因此难以实现高密度染色。此外,在为了含有大量染料而使薄膜厚度变厚的情况下,会产生这种问题:在硬层薄膜内可能掺有裂缝,透镜形状扭曲、和薄膜硬度变低。而且与直接施加到基质上的情况相比,还存在耐光性差的问题。
另外,在将染料溶解在塑料透镜基质的原料中并聚合的方法中,所形成透镜的着色密度取决于透镜的厚度。例如,在透镜的中心部分比其周围薄的凹透镜中,中心部分的颜色浅,而周围的颜色深。由于该原因,可能在整个透镜中存在不同着色密度。此外,在彼此屈光度不同的眼镜透镜中,可能在左和右透镜之间存在不同的着色密度。而且,实际上不可能制造许多种着色的光学塑料透镜,同时依市场需要制备具有各种色调和密度的原料溶液。
另外,为了改进染色度,将具有许多染色位置的化合物加入到基质中的方法不可能付诸实施,因为当这些化合物在基质中配混时,会降低基质的耐腐蚀性和透明度。
在这些情况下,本发明的目的是提供热塑性树脂,特别是热塑性树脂塑料透镜的染色方法,该方法能使热塑性树脂有效染色,其中所述热塑性树脂含有包含双酚A的聚碳酸酯,而该树脂用常规的染色法将难以染色,或者该方法能使热塑性树脂,特别是含有聚酯树脂的塑料透镜有效染色,该树脂可在低温下短时间地通过常规的染色法染色,和本发明提供通过该方法获得的着色塑料透镜。
解决问题的方式
为了实现上述目的,发明者进行了广泛深入的研究。结果发现通过由聚碳酸酯树脂制造的热塑性树脂作为原料(其通过常规的方法难以染色),或由聚酯树脂制造的热塑性树脂作为原料(其通过常规的方法可被染色,但耐热性低),用分散染料和单环单萜使其染色可实现该目的,从而完成了本发明。
具体地说,本发明提供一种热塑性树脂的染色方法,其中包括在含有分散染料和单环单萜的染色液体中浸渍热塑性树脂,和提供一种通过该方法染色获得的着色塑料透镜。实施本发明的模式
在本发明的热塑性树脂的染色方法中,将热塑性树脂浸渍在含有分散染料和单环单萜的染色液体中。
将热塑性树脂应用于模塑制品,特别是热塑性树脂塑料透镜,然而,热塑性树脂并不局限于热塑性树脂塑料透镜。
作为热塑性树脂塑料透镜,可使用由任何可进行注塑的原料制造的塑料透镜。例如,可使用通过常规染色法难以染色的含有热塑性树脂的塑料透镜(诸如聚碳酸酯树脂和聚烯烃树脂);通过常规染色法可染色的含有热塑性树脂的塑料透镜(诸如聚酯树脂);和含有下述原料的透镜,所述原料包括至少一种选自含前述树脂的聚合物合金。
作为聚碳酸酯,可毫无特殊限制地使用可用于透镜的任何树脂。其实例包括通过使各种二羟基二芳基化合物与光气反应的光气工艺、或使二羟基二芳基化合物与羧酸酯如碳酸二苯酯反应的酯交换工艺所获得的聚合物或共聚物。代表性实例包括通过使用2,2-双(4-羟基苯基)丙烷(双酚A)作为二羟基二芳基化合物生产的聚碳酸酯树脂。
作为聚烯烃树脂,可毫无特殊限制地使用可用于透镜的任何树脂。其实例包括环烯烃聚合物(如由Zeon Corporation制造的商品ZEONOR;JSR Corporation制造的商品ARTON;Mitsui Chemicals,Inc.制造的商品TOPAS)。
作为聚酯树脂,可毫无特殊限制地使用可用于透镜的任何树脂。其实例包括二元醇改性的聚对苯二甲酸乙二酯(如Eastman ChemicalCompany制造的EASTAR DN003)。
作为聚合物合金,可商购聚碳酸酯和聚烯烃树脂的合金、聚烯烃树脂和前述聚酯树脂的合金以及聚碳酸酯树脂和聚酯树脂的合金。其实例包括XYLEX(GE Plastics Japan制造的商品)和EASTALLOYDA003(Eastman Chemical Company制造的商品)。
在本发明的方法中,分散染料用作染料。尽管分散染料少量地溶于水,但它部分溶解且分散在透镜内部,从而使塑料透镜染色。这类染料的实例包括偶氮基染料、蒽醌基染料和硝基烯丙基胺基染料。偶氮基染料和硝基烯丙基胺基染料主要是黄色、桔红色或红色体系,蒽醌-基染料主要是蓝色或紫罗兰色体系。
本发明方法中使用的分散染料的代表性实例是以下列举的那些。(1)蓝色染料:Dianix Blue AC-E,Dianix Blue RNE(C.I.Disperse Blue91),Dianix Blue GRE(C.I.Disperse Blue 81),Sumikaron BlueE-R(C.I.Disperse Blue 91),Kayalon Polyester Blue GR-E(C.I.Disperse Blue 81);(2)红色染料:Dianix Red AC-E,Diacelliton Fast Red R(C.I.DisperseRed 17),Diacelliton Fast Scarlet R(C.I.Disperse Red 7),DiacellitonFast Pink R(C.I.Disperse Red 4),Sumikaron Rubine SE-RPD,Kayalon Polyester Rubine GL-SE200(C.I.Disperse Red 73);(3)黄色染料:Dianix Yellow AC-E,Dianix Yellow YL-SE(C.I.DisperseYellow 42),Sumikaron Yellow SE-RPD,Diacelliton Fast YellowGL(C.I.Disperse Yellow 33),Kayalon Microester Yellow AQ-LE;(4)桔红色染料:Dianix Orange B-SE200(C.I.Disperse Orange 13),Diacelliton Fast Orange GL(C.I.Disperse Orange 3),MiketonPolyester Orange B(C.I.Disperse Orange 13),Sumikaron OrangeSE-RPD,Sumikaron Orange SE-B(C.I.Disperse Orange 13);(5)紫罗兰色染料:Dianix Violet 5R-SE(C.I.Disperse Violet 56),Sumikaron Violet E-2RL(C.I.Disperse Violet 28)。
在本发明的方法中,与分散染料一起使用的单环单萜的实例包括苧烯、薄荷醇、萜品烯、水芹烯、枞油烯、蒎烯和萜品醇。可使用可商购的水溶性清洗剂如含有苧烯的清洗剂。此外,可使用阴离子表面活性剂如烷基苯磺酸盐、烷基萘磺酸盐、烷基磺基琥珀酸盐、芳族磺酸-甲醛缩合物和月桂基磺酸盐或非离子表面活性剂如聚氧乙基烷基醚、烷基胺醚和聚氧乙烯脱水山梨糖醇脂肪酸酯,乳化单环单萜,并分散在染料浴中。
在本发明的方法中,分散染料与在染料液体中使用的单环单萜之比没有特别限制,但取决于待染色的塑料透镜和分散染料的种类可适当地选择。
在染色液体中加入的分散染料量没有特别限制,然而,从实际应用的观点来看,优选0.1-5wt%,更优选0.3-0.5wt%,基于染色液体的总量。
在染色液体中加入的单环单萜量没有特别限制,然而,从实际应用的观点来看,优选0.001-1wt%,更优选0.01-0.5wt%,基于染色液体的总量。
此外,在半染的情况下,有可能在染色时刻,在透镜上下移动过程中,染料粘接到透镜表面、干燥并粘着在其上。在此情况下,为了防止染料的粘着,可通过彻底(entire)染色,向染色液体中加入大量表面活性剂。通过这种方式,认为单环单萜的乳化状态良好,从而防止染料与透镜的粘着。对表面活性剂没有特别限制,但可使用常规已知的那些。特别地,优选具有聚氧乙烯结构的那些。
在半染过程中,在染色液体中加入的表面活性剂的重量没有特别限制,但优选是在彻底染色中的1.1-2倍(1.1-2 times that in the entiredyeing)。
在通过本发明方法使热塑性树脂染色期间,首先制备染料分散浴。在染料分散浴中,将预定量的分散染料和单环单萜加入水中,使得染料密度为约0.1-5wt%。另外,视所需,可与分散染料一起适当地加入在常规染色法中常用的已知分散剂。接着,在约70-100℃下加热由此制备的染料分散浴,和将光学热塑性树脂塑料透镜浸渍在该分散浴中任意的时间段。由此有效地获得所需着色的光学热塑性树脂塑料透镜。染色时间优选在1分钟到2小时范围内。
本发明由此获得的着色的塑料透镜例如用于眼镜透镜、照相机透镜、投影仪透镜和放大镜。
实施例
接下来,参考实施例,以下将描述本发明,但不应当解释为将本发明限制到这些实施例。
顺便提及一下,根据下述等式计算实施例中所述的染色密度。
[染色密度(%)]=100-[透射率(%)]
实施例1
在染色罐中具有100重量份纯水和3.52重量份作为染料的BPIViolet(Brain Power Incorporated制造的一种染料)的混合物,向其中加入并混合0.24重量份含有表面活性剂的ORANGE CLEANER 18的(一种由Yasuhara Chemical Co.,Ltd.制造的含有苧烯的清洗剂)苧烯的含水溶液。聚碳酸酯树脂(PANLITE,由Teijin Limited制造的包含双酚A的聚碳酸酯树脂的商品名)用作热塑性树脂塑料透镜。通过在90℃的染色浴温度下浸渍4分钟进行透镜的染色。由525nm处的光透射率测量染色密度。结果发现染色密度为50%。此外,在相同条件下进行染色,所不同的是染色时间变为10分钟。结果发现染色密度为74%。顺便提及一下,在染色罐中浸渍之前,在525nm处透镜的染色密度为9%。
对比实施例1
以与实施例1相同的方式进行热塑性树脂塑料透镜的染色,所不同的是不使用含有表面活性剂的苧烯含水溶液。由525nm处的透射率测量透镜的染色密度。结果发现染色密度为9.5%。由于在染色罐中浸渍之前,在525nm处透镜的染色密度为9%,可理解透镜基本上没有被染色。
对比实施例2
以与实施例1相同的方式进行热塑性树脂塑料透镜的染色,所不同的是加入0.08重量份MERRIER TW(Meisei Chemical Works,Ltd.制造)作为含有邻苯二甲酰亚胺/邻苯二甲酸二乙酯的载体,替代含有表面活性剂的苧烯含水溶液。在染色的透镜中,透镜表面破裂,透明度丧失。
对比实施例3
以与实施例1相同的方式进行热塑性树脂塑料透镜的染色,所不同的是加入0.08重量份TERYL CARRIER PE-550(Meisei ChemicalWorks,Ltd.制造)作为含有二氯代苯/三氯代苯的载体,替代含有表面活性剂的苧烯含水溶液。在染色的透镜中,透镜表面破裂,和透明度丧失。
实施例2
向0.08重量份ORANGE CLEANER 18(Yasuhara Chemical Co.,Ltd.制造的含有苧烯的清洗剂)中加入0.01重量份NEOPELEXG-15(Kao Corporation制造的作为阴离子表面活性剂的软型十二烷基苯磺酸钠)和0.02重量份NEWCOL 1500(Nippon Nyukazai Co.,Ltd.制造的作为阴离子表面活性剂的聚氧乙烯蓖麻油),制备含有表面活性剂的单环单萜含水溶液。将由此制备的溶液加入到染色罐内,而该染色罐中具有100重量份纯水和3.52重量份作为染料的BPI Violet(BrainPower Incorporated制造的一种染料)的混合物。聚碳酸酯树脂(PANLITE,由Teijin Limited制造的包含双酚A的聚碳酸酯树脂的商品名)用作热塑性树脂塑料透镜。通过在90℃的染色浴温度下使透镜进行梯度染色10分钟。结果透镜可在清晰的梯度状态下被染色,而没有侵蚀透镜表面。由525nm处的透射率测量透镜中心部分的染色密度。结果发现染色密度为25%。
实施例3
将0.6重量份α-蒎烯(Yasuhara Chemical Co.,Ltd.制造)与0.16重量份PELEX OT-P(Kao Corporation制造的磺基琥珀酸型阴离子表面活性剂)、0.16重量份EMULGEN A-90(Kao Corporation制造的聚氧乙烯衍生物)和0.16重量份NEWCOL 1545(Sanyo Chemical Industries,Ltd.制造的聚氧乙烯蓖麻油醚)混合,并搅拌该混合物。将混合的液体加入到染色罐内,制备染色液体,而该染色罐中具有100重量份纯水和3.52重量份作为染料的BPI Violet(Brain Power Incorporated制造的一种染料)的混合物。聚碳酸酯树脂(PANLITE,由Teijin Limited制造的包含双酚A的聚碳酸酯树脂的商品名)用作热塑性树脂塑料透镜。通过在90℃的染色浴温度下使透镜染色10分钟。结果透镜可被染色,而没有侵蚀透镜表面。由525nm处的透射率测量透镜的染色密度。结果发现染色密度为27%。
实施例4
以与实施例3相同的方式进行染色,所不同的是将α-蒎烯变化为α-萜品醇。由525nm处的透射率测量透镜的染色密度。结果发现染色密度为25%。
实施例5:
在实施例1中,将以聚碳酸酯树脂和聚酯树脂的聚合物合金形式商购的XYLEX(GE Plastics Janpa制造),替代聚碳酸酯树脂作为热塑性树脂塑料透镜。此外,BPI Blue(Brain Power Incorporated制造的一种染料)用作染料,替代BPI Violet(Brain Power Incorporated制造的一种染料),固定染色浴温度在70℃,和在与实施例1相同的条件下染色。由585nm处的透射率测量透镜的染色密度。结果发现染色密度为30%。
对比实施例4
除了不使用含有表面活性剂的苧烯含水溶液,以与实施例5相同的方式进行热塑性树脂塑料透镜的染色,结果透镜根本不被染色。
本发明的优点
根据本发明的方法,在热塑性树脂塑料透镜的染色过程中,通过使用分散染料和单环单萜,可在低温下,短时间地,以极端良好的效率使几乎不可染色的热塑性树脂光学塑料透镜按任意的色调和密度染色。因此,可便宜地制造适于用作眼镜透镜的着色塑料透镜,对于所述眼镜透镜来说,时髦是重要的。此外,由于单环单萜具有良好的生物降解性能,因此不须担心环境污染和对人体的不利影响。
Claims (9)
1.一种热塑性树脂的染色方法,其中包括在含有分散染料和单环单萜的染色液体中浸渍热塑性树脂。
2.权利要求1的热塑性树脂的染色方法,其中热塑性树脂是含有下述原料的树脂,所述原料包括下列物质的至少一种:聚碳酸酯树脂、聚烯烃树脂、聚酯树脂和含这些树脂的聚合物合金。
3.权利要求1的热塑性树脂的染色方法,其中热塑性树脂含有包含双酚A的聚碳酸酯树脂作为原料。
4.权利要求1的热塑性树脂的染色方法,其中单环单萜是选自下列物质的至少一种:苧烯、薄荷醇、萜品烯、水芹烯、枞油烯、蒎烯和萜品醇。
5.权利要求1的热塑性树脂的染色方法,其中单环单萜的用量为0.001-1wt%,基于染色液体的总量。
6.权利要求1的热塑性树脂的染色方法,其中将表面活性剂加入到染色液体中,以乳化单环单萜。
7.权利要求6的热塑性树脂的染色方法,其中表面活性剂是具有聚氧乙烯结构的表面活性剂。
8.权利要求1-7任一项的热塑性树脂的染色方法,其中热塑性树脂是热塑性树脂塑料透镜。
9.一种着色的塑料透镜,它是通过用权利要求8的方法染色而获得的。
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US (1) | US6942705B2 (zh) |
EP (1) | EP1348801B1 (zh) |
KR (1) | KR100553012B1 (zh) |
CN (1) | CN1276274C (zh) |
AT (1) | ATE362007T1 (zh) |
DE (1) | DE60313692T2 (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101987320A (zh) * | 2009-07-31 | 2011-03-23 | 保谷株式会社 | 对塑料透镜进行染色的方法和设备 |
CN106958155A (zh) * | 2017-04-06 | 2017-07-18 | 合肥智慧龙图腾知识产权股份有限公司 | 一种印染用匀染剂及其制备方法 |
CN113668261A (zh) * | 2021-09-10 | 2021-11-19 | 拓烯科技(衢州)有限公司 | 一种用于光学树脂的染色液及其应用方法 |
CN113882168A (zh) * | 2020-07-02 | 2022-01-04 | 三星电机株式会社 | 透镜染色方法和透镜组件制造方法 |
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CN100386389C (zh) * | 2005-04-21 | 2008-05-07 | 林约略 | 一种染色液、染剂及其制造工艺方法 |
JP6080942B2 (ja) * | 2012-04-02 | 2017-02-15 | コーニング インコーポレイテッド | 大きい細孔および低い多孔性を有する微小孔性トラックエッチドメンブレンのためのダークシェード染色方法 |
US8651660B2 (en) | 2012-06-08 | 2014-02-18 | Younger Mfg. Co. | Tinted polycarbonate ophthalmic lens product and method of manufacture |
EP3327488B1 (en) | 2016-11-23 | 2021-01-06 | Essilor International | Optical article comprising a dye resistant to photo-degradation |
DE102018127564B4 (de) * | 2018-11-05 | 2024-03-21 | Carl Zeiss Vision International Gmbh | Verfahren zum Einfärben eines Brillenglases, Verwendung von Thiosulfat |
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GB791392A (en) * | 1954-01-26 | 1958-03-05 | Celanese Corp | Dyeing cellulose acetate textile materials |
US4377389A (en) * | 1979-12-12 | 1983-03-22 | Foster Grant Corporation | Dip dyeing of plastic articles and the dye bath composition thereof |
CH678532A5 (zh) * | 1989-03-30 | 1991-09-30 | Sicpa Holding Sa | |
JPH0457980A (ja) | 1990-06-28 | 1992-02-25 | Showa Denko Kk | プラスチックレンズの染色方法 |
JPH04146427A (ja) | 1990-10-08 | 1992-05-20 | Brother Ind Ltd | 液晶露光装置 |
EP0631639A4 (en) * | 1992-02-26 | 1998-04-29 | Arrow Eng Inc | PROCESS AND COMPOSITIONS FOR COLORING HYDROPHOBIC POLYMERIC PRODUCTS. |
JP3898776B2 (ja) | 1995-11-20 | 2007-03-28 | ペンタックス株式会社 | レンズの染色方法 |
JPH11248901A (ja) | 1998-03-05 | 1999-09-17 | Hoya Corp | 着色高屈折率プラスチックレンズの製造方法 |
JP3357007B2 (ja) * | 1999-02-26 | 2002-12-16 | 日華化学株式会社 | キャリヤー及びポリエステル系繊維の低温染色方法 |
JP2001192985A (ja) | 1999-12-28 | 2001-07-17 | Asahi Optical Co Ltd | 染色方法 |
-
2003
- 2003-03-17 DE DE60313692T patent/DE60313692T2/de not_active Expired - Lifetime
- 2003-03-17 EP EP03005484A patent/EP1348801B1/en not_active Expired - Lifetime
- 2003-03-17 AT AT03005484T patent/ATE362007T1/de not_active IP Right Cessation
- 2003-03-21 US US10/392,875 patent/US6942705B2/en not_active Expired - Lifetime
- 2003-03-28 CN CNB031083536A patent/CN1276274C/zh not_active Expired - Fee Related
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101987320A (zh) * | 2009-07-31 | 2011-03-23 | 保谷株式会社 | 对塑料透镜进行染色的方法和设备 |
CN106958155A (zh) * | 2017-04-06 | 2017-07-18 | 合肥智慧龙图腾知识产权股份有限公司 | 一种印染用匀染剂及其制备方法 |
CN113882168A (zh) * | 2020-07-02 | 2022-01-04 | 三星电机株式会社 | 透镜染色方法和透镜组件制造方法 |
CN113668261A (zh) * | 2021-09-10 | 2021-11-19 | 拓烯科技(衢州)有限公司 | 一种用于光学树脂的染色液及其应用方法 |
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US20030182737A1 (en) | 2003-10-02 |
US6942705B2 (en) | 2005-09-13 |
KR20030078757A (ko) | 2003-10-08 |
EP1348801B1 (en) | 2007-05-09 |
KR100553012B1 (ko) | 2006-02-16 |
EP1348801A1 (en) | 2003-10-01 |
DE60313692D1 (de) | 2007-06-21 |
ATE362007T1 (de) | 2007-06-15 |
DE60313692T2 (de) | 2008-01-24 |
CN1276274C (zh) | 2006-09-20 |
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