CN101231348B - 液相化学合成一类光学镀膜材料 - Google Patents
液相化学合成一类光学镀膜材料 Download PDFInfo
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- CN101231348B CN101231348B CN2007100060182A CN200710006018A CN101231348B CN 101231348 B CN101231348 B CN 101231348B CN 2007100060182 A CN2007100060182 A CN 2007100060182A CN 200710006018 A CN200710006018 A CN 200710006018A CN 101231348 B CN101231348 B CN 101231348B
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- 239000007791 liquid phase Substances 0.000 title claims description 6
- 239000000463 material Substances 0.000 title abstract description 21
- 230000003287 optical effect Effects 0.000 title abstract description 9
- 238000003786 synthesis reaction Methods 0.000 title abstract description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000001556 precipitation Methods 0.000 claims description 8
- 238000007669 thermal treatment Methods 0.000 claims description 5
- 239000003513 alkali Substances 0.000 claims description 3
- 229910052684 Cerium Inorganic materials 0.000 claims description 2
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims description 2
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052735 hafnium Inorganic materials 0.000 claims description 2
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052746 lanthanum Inorganic materials 0.000 claims description 2
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 2
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 claims description 2
- VSZWPYCFIRKVQL-UHFFFAOYSA-N selanylidenegallium;selenium Chemical compound [Se].[Se]=[Ga].[Se]=[Ga] VSZWPYCFIRKVQL-UHFFFAOYSA-N 0.000 claims description 2
- 229910052712 strontium Inorganic materials 0.000 claims description 2
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims description 2
- 229910052715 tantalum Inorganic materials 0.000 claims description 2
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 2
- 238000002156 mixing Methods 0.000 abstract description 5
- 239000011521 glass Substances 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 239000004033 plastic Substances 0.000 abstract description 2
- 229920003023 plastic Polymers 0.000 abstract description 2
- 239000013078 crystal Substances 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 238000001914 filtration Methods 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 5
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 229910002249 LaCl3 Inorganic materials 0.000 description 1
- 229910007932 ZrCl4 Inorganic materials 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 239000013064 chemical raw material Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- ICAKDTKJOYSXGC-UHFFFAOYSA-K lanthanum(iii) chloride Chemical compound Cl[La](Cl)Cl ICAKDTKJOYSXGC-UHFFFAOYSA-K 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003746 solid phase reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- DUNKXUFBGCUVQW-UHFFFAOYSA-J zirconium tetrachloride Chemical compound Cl[Zr](Cl)(Cl)Cl DUNKXUFBGCUVQW-UHFFFAOYSA-J 0.000 description 1
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- Inorganic Compounds Of Heavy Metals (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
一种用于玻璃、塑料和晶体光学镀膜的钛酸盐类材料,目前主要使用物理混合,使其存在混合的不均匀性,影响了薄膜的质量。本发明采用化学的合成方式,在溶液中制得该类钛酸盐,经在还原气氛或真空气氛中热处理后,得到粒状、片装或块状的光学镀膜材料。材料达到了分子、原子级的混合,均匀性良好,薄膜质量优异。
Description
所属技术领域
本发明涉及一类蒸镀光学镀膜材料,作为适用于玻璃、塑料和其他材料的镀膜材料,该材料的最大特点是在液相下化学合成,达到分子、原子级混合,混合均匀性好,经过还原气氛或真空情况下高温热处理后,放气量适当,蒸镀均匀,是一类性能优异的光学镀膜材料。
背景技术
目前广泛应用的各类复合型光学镀膜材料,主要由两种或两种以上氧化物物理混合而成,由于物理混合颗粒尺寸(一般为微米级)、混合方式的限制,使各种元素之间混合存在不均匀性,混合料的烧结温度、预熔温度以及蒸发温度高,对设备的要求高,而且也对镀膜后薄膜的性能产生一定的不良影响。国内、外有一些这方面的专利,大部分都集中在物理混合层次。
发明内容
为了克服现有的膜料的物理混合缺陷,本发明提出了一种液相合成复合型膜料的新方法,主要包括碱式沉淀法、草酸沉淀法以及水热法等液相合成钛酸盐的方法。其化学原料采用高纯的R的可溶性盐和钛液,在碱或酸的作用下沉淀生成沉淀,热处理后得到上述钛酸盐。其组成为RxTiyOz,其中R包括锶(Sr)、镧(La)、镨(Pu)、铈(Ce)、锆(Zr)、铪(Hf)、钽(Ta)以及它们的混合物,x=0.01-100,y=0.01-100,z=0.01-100,x,y,z是混合物的非化学计量单位(分子个数比)。这些钛酸盐经还原气氛或真空热处理后得到所需的材料。
本发明制备的钛酸盐,其粒度为纳米级,而且在溶液中已经经过分子、原子级别的混合,各不同元素之间紧密结合,活性增加,烧结温度降低,固相反应充分;材料的预熔温度和蒸镀温度都比物理混合的材料低200-300℃,蒸镀后薄膜均匀性好,吸收小。是一类性能优异的光学镀膜材料。
实施案例1
将99.9%的四氯化钛50克与100克99.9%的CeCl2制成混合溶液,过滤后在95℃的水浴中保温,搅拌同时滴加草酸溶液,直到沉淀不再产生,过滤洗涤后经900℃热处理,然后在氢气中热处理到1450℃保温2h,随炉冷却至室温,过筛,其中粒径1-4mm的为合格镀膜材料,其折射率为2.4(波长500nm处)。
实施案例2
将99.9%的四氯化钛50克与98克99.9%的ZrCl4制成混合溶液,过滤后在95℃的水浴中保温,搅拌同时滴加碳酸氨溶液,直到沉淀不再产生,过滤洗涤后经950℃热处理,然后在氢气中热处理到1500℃保温2h,随炉冷却至室温,过筛,其中粒径1-4mm的为合格镀膜材料,其折射率为2.0(波长500nm处)。
实施案例1
将99.9%的四氯化钛50克与120克99.9%的LaCl3制成混合溶液,过滤后在95℃的水浴中保温,搅拌同时滴加氨水溶液,直到沉淀不再产生,过滤洗涤后经900℃热处理,然后在氢气中热处理到1450℃保温2h,随炉冷却至室温,过筛,其中粒径1-4mm的为合格镀膜材料,其折射率为2.1(波长500nm处)。
Claims (1)
1.一种采用化学合成来制备钛酸盐的方法,其特征在于在液相条件下,将R的可溶性盐和钛的可溶性盐,在酸或碱的条件下生成沉淀,经还原气氛热处理后得到的一类烧结混合物,该烧结混合物的组成为RTiO3,其中R包括锶(Sr)、镧(La)、镨(Pu)、铈(Ce)、锆(Zr)、铪(Hf)、钽(Ta)。
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CN114133226B (zh) * | 2021-12-30 | 2022-11-08 | 苏州晶生新材料有限公司 | 一种光学镀层基材及使用方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5013538A (en) * | 1988-03-09 | 1991-05-07 | Rhone-Poulenc Chimie | Preparation of alkaline earth metal titanates |
CN1077695A (zh) * | 1993-04-26 | 1993-10-27 | 复旦大学 | 钛酸盐的制备方法 |
CN1099726A (zh) * | 1994-07-22 | 1995-03-08 | 华东理工大学 | 一种高纯超细钛酸盐的制备方法 |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5013538A (en) * | 1988-03-09 | 1991-05-07 | Rhone-Poulenc Chimie | Preparation of alkaline earth metal titanates |
CN1077695A (zh) * | 1993-04-26 | 1993-10-27 | 复旦大学 | 钛酸盐的制备方法 |
CN1099726A (zh) * | 1994-07-22 | 1995-03-08 | 华东理工大学 | 一种高纯超细钛酸盐的制备方法 |
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