CN111267435B - 一种可实现小区域投影功能的光学膜材料 - Google Patents
一种可实现小区域投影功能的光学膜材料 Download PDFInfo
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Abstract
本发明公开了一种可实现小区域投影功能的光学膜材料,涉及PVB中间膜技术领域。一种可实现小区域投影功能的光学膜材料,包括两个边层膜和一个夹层膜,所述夹层膜粘接与两个边层膜之间,所述边层膜的组分包括7.5‑8.8wt%聚乙烯醇、4.6‑4.8wt%正丁醛、0.01‑0.03wt%抗氧剂、0.01‑0.02wt%氧化物、0.01wt%无机盐,所述夹层膜包括40‑55wt%聚氯乙烯、0‑20wt%丙烯酸类树脂。本发明可以配合夹层玻璃应用于汽车强挡风玻璃上,在配合小型投影装置的应用,当汽车行驶时,通过投影装置将行车信息投影到挡风风玻璃上进而代替现有的翻折式的HUD,节约安装空间,减轻车辆重量,美观度也能得到提升。
Description
技术领域
本发明涉及PVB中间膜技术领域,具体为一种可实现小区域投影功能的光学膜材料。
背景技术
PVB中间膜是半透明的薄膜,PVB中间膜主要用于夹层玻璃,是在两块玻璃之间夹进一层PVB薄膜,经高压复合、加温而成的特殊玻璃。PVB夹层玻璃由于具有安全、控制噪音和隔离紫外线等多项功能,广泛应用于建筑、汽车、光伏等行业。采用特殊配方生产的PVB中间膜在航天、军事和高新技术工业等领域也有着广泛的应用,如用于飞机、航天品、军事仪器、太阳能电池和太阳能接收器等。
PVB夹层玻璃具有较高的安全性能,在汽车领域得到了广泛的应用。许多汽车的四门及前后挡采用这PVB夹层玻璃代替传统玻璃,随着汽车科技的进步,HUD显示功能也越来越普及,这一功能就是将行使信息通过一些装置展现在司机正前方视线内,进而减少司机低头看仪表的次数,增加行使安全性。但现在常见的汽车HUD显示,主要是通过一块可收折的玻璃板或显示屏进行展示的,行驶时,玻璃板展开,数据显示在玻璃板上,停车时,玻璃板收折,这样的结构需要安装配套的电机和电路,重量和体积都相对较大,另外这样的装置在美观度方面也相对较低。
发明内容
本发明的目的在于提供一种可实现小区域投影功能的光学膜材料,以解决上述背景技术中提出的问题。
为实现上述目的,本发明提供如下技术方案:一种可实现小区域投影功能的光学膜材料,包括两个边层膜和一个夹层膜,所述夹层膜粘接与两个边层膜之间,所述边层膜的组分包括7.5-8.8wt%聚乙烯醇、4.6-4.8wt%正丁醛、0.01-0.03wt%抗氧剂、0.01-0.02wt%氧化物、0.01wt%无机盐,所述夹层膜包括40-55wt%聚氯乙烯、0-20wt%丙烯酸类树脂、10-20wt%增塑剂、20-30wt%颜料和0-5wt%紫外线吸收剂,所述颜料为炭黑、二氢喹吖叮二酮、喹吖叮红和铬酸铅中的一种或多种的混合物。
更进一步地,所述抗氧剂为2-亚甲基双(4-甲基-6-叔丁基苯酚)、四(3,5-二叔丁基-4-羟基)苯丙酸季戊四醇酯、三(2,4-二叔丁基)亚磷酸苯酯、双十八烷基醇季戊二亚磷酸酯、双(3,5-二叔丁基苯基)季戊四醇二亚磷酸酯中的一种或多种的混合物,所述氧化物为纳米ATO、纳米GTO和纳米钨青铜中的一种或多种的混合物,所述无机盐为乙酸钾、甲酸钾、乙酸镁、乙酸钙和乙酸钠中的一种或多种的混合物,所述紫外光吸收剂为2-(2ˊ-羟基-5ˊ-甲基)-苯并三唑、2-(2ˊ-羟基-3ˊ-叔丁基-5ˊ-甲基)-5-氯-苯并三唑、2-(2ˊ-羟基-3ˊ5ˊ-二叔丁基)-5-氯-苯并三唑、2'-(2'-羟基-3'-叔丁基-5'-甲基苯基)-5-氯苯并三唑、2-(2ˊ-羟基-5ˊ-叔辛基)-苯并三唑中一种或多种的混合物。
更进一步地,所述PVB中间膜的制备过程如下:
S1:在其中一个边层膜外壁粘接夹层膜;
S2:再从夹层膜一侧粘接另一个边层膜并静置1-2小时。
更进一步地,所述所述边层膜的制备过程如下:
S1:用适量的醇类配成浓度小于10%的溶液A;
S2:将溶液A降温到50°C以下,加入醛类、抗氧剂、氧化物和无机盐,并搅拌2.5小时,得到溶液B;
S3:保温3-5小时,得到溶液C;
S4:将溶液C放于反应釜中并升温至40-50°C,并保温3-5小时,保温后冷却至室温,得到溶液D;
S5:将溶液D水洗后在升温至50°C,调节pH值至9-10,再保温2-3小时,得到溶液E;
S6:将溶液E脱水干燥制成半成品F;
S7:将半成品F投入到双螺杆挤出机中,按尺寸卷取,得到成品。
更进一步地,所述夹层膜的制备过程如下:
S1:称取如下重量份的组分:40-55wt%聚氯乙烯、0-20wt%丙烯酸类树脂、10-20wt%增塑剂、20-30wt%颜料和0-5wt%紫外线吸收剂;
S2:将上述组分在拌料机中搅拌均匀后,送入螺杆挤出机中塑化挤出, 所述螺杆挤出机设有五个加热区,温度依次分别为240°C、160°C、200°C、160°C和180°C;
S3:收集S2中螺杆挤出机挤出的塑化物;
S4:将塑化物由压花钢辊和橡胶辊压合定型,按尺寸牵引卷收,得到成品。
与现有技术相比,本发明的有益效果是:
(1)、该可实现小区域投影功能的光学膜材料,可以配合夹层玻璃应用于汽车强挡风玻璃上,在配合小型投影装置的应用,当汽车行驶时,通过投影装置将行车信息投影到挡风风玻璃上进而代替现有的翻折式的HUD,节约安装空间,减轻车辆重量,美观度也能得到提升。
(2)、该可实现小区域投影功能的光学膜材料,可以通过调整配料中的个类颜料含量或者颜料的总占比实现不同颜色和不同透光度的调整,进而适配不同类型汽车的使用,配料中的无机盐起到增加PVB中间膜延展性的作用,降低温度变化速率过大造成的薄膜开裂的风险,提高夹层玻璃的使用寿命。
附图说明
图1为本发明的结构示意图;
图中:1边层膜、2夹层膜。
具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
实施例一:
本发明提供一种技术方案:一种可实现小区域投影功能的光学膜材料,包括两个边层膜1和一个夹层膜2,夹层膜2粘接与两个边层膜1之间,边层膜1的组分包括8wt%聚乙烯醇、4.7wt%正丁醛、0.03wt%抗氧剂、0.01wt%氧化物、0.01wt%无机盐,夹层膜2包括40wt%聚氯乙烯、10wt%丙烯酸类树脂、15wt%增塑剂、30wt%颜料和5wt%紫外线吸收剂,颜料为50%炭黑和50%铬酸铅中的混合物,此方案中成品夹层膜2呈现为暗红色。
抗氧剂为50%的2-亚甲基双(4-甲基-6-叔丁基苯酚)和50%的四(3,5-二叔丁基-4-羟基)苯丙酸季戊四醇酯的混合物,氧化物为钨青铜无机盐为60%的乙酸钾和40%的甲酸钾的混合物,紫外光吸收剂为2-(2ˊ-羟基-5ˊ-甲基)-苯并三唑。
PVB中间膜的制备过程如下:
S1:在其中一个边层膜1外壁粘接夹层膜2;
S2:再从夹层膜2一侧粘接另一个边层膜1并静置2小时。
边层膜1的制备过程如下:
S1:用适量的醇类配成浓度小于10%的溶液A;
S2:将溶液A降温到50°C以下,加入醛类、抗氧剂、氧化物和无机盐,并搅拌2.5小时,得到溶液B;
S3:保温5小时,得到溶液C;
S4:将溶液C放于反应釜中并升温至50°C,并保温5小时,保温后冷却至室温,得到溶液D;
S5:将溶液D水洗后在升温至50°C,调节pH值至9,再保温3小时,得到溶液E;
S6:将溶液E脱水干燥制成半成品F;
S7:将半成品F投入到双螺杆挤出机中,按尺寸卷取,得到成品。
夹层膜2的制备过程如下:
S1:称取如下重量份的组分:40wt%聚氯乙烯、10wt%丙烯酸类树脂、15wt%增塑剂、30wt%颜料和5wt%紫外线吸收剂;
S2:将上述组分在拌料机中搅拌均匀后,送入螺杆挤出机中塑化挤出, 螺杆挤出机设有五个加热区,温度依次分别为240°C、160°C、200°C、160°C和180°C;
S3:收集S2中螺杆挤出机挤出的塑化物;
S4:将塑化物由压花钢辊和橡胶辊压合定型,按尺寸牵引卷收,得到成品。
实施例二:
本发明提供一种技术方案:一种可实现小区域投影功能的光学膜材料,包括两个边层膜1和一个夹层膜2,夹层膜2粘接与两个边层膜1之间,边层膜1的组分包括8wt%聚乙烯醇、4.7wt%正丁醛、0.03wt%抗氧剂、0.01wt%氧化物、0.01wt%无机盐,夹层膜2包括40wt%聚氯乙烯、10wt%丙烯酸类树脂、15wt%增塑剂、30wt%颜料和5wt%紫外线吸收剂,颜料为70%炭黑和30%铬酸铅中的混合物,此方案中成品夹层膜2呈现为褐色。
抗氧剂为50%的2-亚甲基双(4-甲基-6-叔丁基苯酚)和50%的四(3,5-二叔丁基-4-羟基)苯丙酸季戊四醇酯的混合物,氧化物为钨青铜无机盐为60%的乙酸钾和40%的甲酸钾的混合物,紫外光吸收剂为2-(2ˊ-羟基-5ˊ-甲基)-苯并三唑。
PVB中间膜的制备过程如下:
S1:在其中一个边层膜1外壁粘接夹层膜2;
S2:再从夹层膜2一侧粘接另一个边层膜1并静置2小时。
边层膜1的制备过程如下:
S1:用适量的醇类配成浓度小于10%的溶液A;
S2:将溶液A降温到50°C以下,加入醛类、抗氧剂、氧化物和无机盐,并搅拌2.5小时,得到溶液B;
S3:保温5小时,得到溶液C;
S4:将溶液C放于反应釜中并升温至50°C,并保温5小时,保温后冷却至室温,得到溶液D;
S5:将溶液D水洗后在升温至50°C,调节pH值至9,再保温3小时,得到溶液E;
S6:将溶液E脱水干燥制成半成品F;
S7:将半成品F投入到双螺杆挤出机中,按尺寸卷取,得到成品。
夹层膜2的制备过程如下:
S1:称取如下重量份的组分:40wt%聚氯乙烯、10wt%丙烯酸类树脂、15wt%增塑剂、30wt%颜料和5wt%紫外线吸收剂;
S2:将上述组分在拌料机中搅拌均匀后,送入螺杆挤出机中塑化挤出, 螺杆挤出机设有五个加热区,温度依次分别为240°C、160°C、200°C、160°C和180°C;
S3:收集S2中螺杆挤出机挤出的塑化物;
S4:将塑化物由压花钢辊和橡胶辊压合定型,按尺寸牵引卷收,得到成品。
尽管已经示出和描述了本发明的实施例,对于本领域的普通技术人员而言,可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型,本发明的范围由所附权利要求及其等同物限定。
Claims (4)
1.一种可实现小区域投影功能的光学膜材料,包括两个边层膜(1)和一个夹层膜(2),其特征在于:所述夹层膜(2)粘接与两个边层膜(1)之间,所述边层膜(1)的组分包括7.5-8.8wt%聚乙烯醇、4.6-4.8wt%正丁醛、0.01-0.03wt%抗氧剂、0.01-0.02wt%氧化物、0.01wt%无机盐,所述夹层膜(2)包括40-55wt%聚氯乙烯、0-20wt%丙烯酸类树脂、10-20wt%增塑剂、20-30wt%颜料和0-5wt%紫外线吸收剂,所述颜料为炭黑、二氢喹吖叮二酮、喹吖叮红和铬酸铅中的一种或多种的混合物;
所述夹层膜(2)的制备过程如下:
S1:称取如下重量份的组分:40-55wt%聚氯乙烯、0-20wt%丙烯酸类树脂、10-20wt%增塑剂、20-30wt%颜料和0-5wt%紫外线吸收剂;
S2:将上述组分在拌料机中搅拌均匀后,送入螺杆挤出机中塑化挤出,所述螺杆挤出机设有五个加热区,温度依次分别为240℃、160℃、200℃、160℃和180℃;
S3:收集S2中螺杆挤出机挤出的塑化物;
S4:将塑化物由压花钢辊和橡胶辊压合定型,按尺寸牵引卷收,得到成品。
2.根据权利要求1所述的一种可实现小区域投影功能的光学膜材料,其特征在于:所述抗氧剂为2-亚甲基双(4-甲基-6-叔丁基苯酚)、四(3,5-二叔丁基-4-羟基)苯丙酸季戊四醇酯、三(2,4-二叔丁基)亚磷酸苯酯、双十八烷基醇季戊二亚磷酸酯、双(3,5-二叔丁基苯基)季戊四醇二亚磷酸酯中的一种或多种的混合物,所述氧化物为纳米ATO、纳米GTO和纳米钨青铜中的一种或多种的混合物,所述无机盐为乙酸钾、甲酸钾、乙酸镁、乙酸钙和乙酸钠中的一种或多种的混合物,所述紫外线吸收剂为2-(2ˊ-羟基-5ˊ-甲基)-苯并三唑、2-(2ˊ-羟基-3ˊ-叔丁基-5ˊ-甲基)-5-氯-苯并三唑、2-(2ˊ-羟基-3ˊ5ˊ-二叔丁基)-5-氯-苯并三唑、2'-(2'-羟基-3'-叔丁基-5'-甲基苯基)-5-氯苯并三唑、2-(2ˊ-羟基-5ˊ-叔辛基)-苯并三唑中一种或多种的混合物。
3.根据权利要求1所述的一种可实现小区域投影功能的光学膜材料,其特征在于:所述光学膜材料的制备过程如下:
S1:在其中一个边层膜(1)外壁粘接夹层膜(2);
S2:再从夹层膜(2)一侧粘接另一个边层膜(1)并静置1-2小时。
4.根据权利要求1所述的一种可实现小区域投影功能的光学膜材料,其特征在于:所述边层膜(1)的制备过程如下:
S1:用适量的醇类配成浓度小于10%的溶液A;
S2:将溶液A降温到50℃以下,加入醛类、抗氧剂、氧化物和无机盐,并搅拌2.5小时,得到溶液B;
S3:保温3-5小时,得到溶液C;
S4:将溶液C放于反应釜中并升温至40-50℃,并保温3-5小时,保温后冷却至室温,得到溶液D;
S5:将溶液D水洗后在升温至50℃,调节pH值至9-10,再保温2-3小时,得到溶液E;
S6:将溶液E脱水干燥制成半成品F;
S7:将半成品F投入到双螺杆挤出机中,按尺寸卷取,得到成品。
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