CN112375503A - 一种柔性增亮膜的制备方法 - Google Patents
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- BRQMAAFGEXNUOL-UHFFFAOYSA-N 2-ethylhexyl (2-methylpropan-2-yl)oxy carbonate Chemical compound CCCCC(CC)COC(=O)OOC(C)(C)C BRQMAAFGEXNUOL-UHFFFAOYSA-N 0.000 description 1
- FXIVKZGDYRLHKF-UHFFFAOYSA-N C(C)OP(OC(C1=C(C=C(C=C1C)C)C)=O)(=O)C1=CC=CC=C1 Chemical compound C(C)OP(OC(C1=C(C=C(C=C1C)C)C)=O)(=O)C1=CC=CC=C1 FXIVKZGDYRLHKF-UHFFFAOYSA-N 0.000 description 1
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- XCFLQKXIMOIXEN-UHFFFAOYSA-N tert-butyl 2-ethylhexoxycarbonyloxy carbonate Chemical compound C(=O)(OC(C)(C)C)OOC(=O)OCC(CCCC)CC XCFLQKXIMOIXEN-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
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Abstract
一种柔性增亮膜的制备方法,包括下列步骤:A.按将各物料混合均匀从而形成混合助剂;B.将EVA粒子和混合助剂加入混料机,得到混合物;C.将步骤B中得到的混合物加入熔融挤出机,通过流延冷却形成基膜;D.将各物料混合均匀从而形成棱镜胶水材料;E.将步骤C中获得的基膜正反两面进行抗静电电晕处理后,与配好的棱镜胶水材料在流延线上复合,通过模压机复合成膜;F.将步骤E中所得复合膜通过UV固化装置进行固化成型,最终成膜。本发明相较于传统增亮膜,EVA基材和光固化有机硅材料具有更好的柔软性,在各向延展性方面有着优秀的表现。
Description
技术领域
本发明涉及一种柔性增亮膜的制备方法。
背景技术
目前柔性显示设备像柔性OLED 显示、电子皮肤显示等技术正处于蓬勃发展时期,国内外许多终端公司也在加紧市场布局,国外的三星、LG等,国内的京东方、华星光电等企业表现出激烈的竞争关系。相较于传统显示屏幕,柔性显示优势明显,不仅在体积上更加轻薄,功耗上也低于原有器件,有助于提升设备的续航能力,同时基于其可弯曲、柔韧性佳的特性,其耐用程度也大大高于以往屏幕,降低设备意外损伤的概率。
但相比于传统背光模组,柔性显示发光模组在亮度表现上稍有逊色,所以人们一直尝试进一步地提高柔性显示器的辉度。虽然提高光源的功率,能够提高高柔性显示器辉度,但同时也会使电力消耗变大,导致热引起的功耗也变大。因此附加一层柔性增亮膜以达到理想的标准需求。
然而传统增亮膜由于采用PET基材复合UV环氧树脂棱镜结构,在膜材柔软性的表现上不如人意,无法满足柔性屏对整体柔软度的需要。
发明内容
为了克服现有柔性增亮膜的上述不足,本发明提供一种柔性增亮膜的制备方法,制备的柔性增亮膜柔软性更佳。
本发明解决其技术问题的技术方案是:一种柔性增亮膜的制备方法,包括下列步骤:
A.按照下列配比将各物料混合均匀从而形成混合助剂:
交联剂:1~10质量份;
抗氧化剂:0.5~2质量份;
增粘剂:0.02~0.5质量份;
B.将100质量份的EVA粒子加入混料机,然后将步骤A中1/3~2/3质量的混合助剂加入到混料机中,搅拌2-3min,然后再将剩余混合助剂加入混料机,继续搅拌1-2min,得到混合物;
C.将步骤B中得到的混合物加入熔融挤出机,控制熔融温度80~100℃,进行挤出,通过流延冷却形成基膜;
D. 按照下列配比将各物料混合均匀从而形成棱镜胶水材料:
光固化有机硅材料:100质量份;
光引发剂: 1~10质量份;
活性稀释剂:5~20质量份;
增粘剂0.02~0.5质量份;
消泡剂:0.02~0.5质量份;
E.将步骤C中获得的基膜正反两面进行抗静电电晕处理后,与配好的棱镜胶水材料在流延线上复合,通过模压机复合成膜;
F.将步骤E中所得复合膜通过UV固化装置进行固化成型,最终成膜。
优选的,在步骤B中,所述EVA粒子中VA的质量百分含量为8%~19%。
优选的,在步骤A中,所述的交联剂为过氧化二异丙苯,或2,5-二甲基-2,5-(二叔丁基过氧化)己烷,或过氧化氢二异丙苯,或过氧化二苯甲酰,或1,1-二(叔丁基过氧)环己烷,或叔丁基过氧化碳酸-2-乙基己酯;
所述的抗氧化剂为四(3,5-二叔丁基-4-羟基)苯丙酸季戊四醇酯,或亚磷酸三苯酯,或β-(3,5-二叔丁基-4-羟基苯基)丙酸十八醇酯;
所述的增粘剂为γ-氨丙基三乙氧基硅烷,或γ-甲基丙烯酸酰氧基丙基三甲氧基硅烷,或3-氨丙基三甲氧基硅烷。
优选的,在步骤D中,所述的光引发剂为2-羟基-2-甲基-1-苯基丙酮,或1-羟基环己基苯基甲酮,或2,4,6-三甲基苯甲酰基-二苯基氧化膦,或2,4,6-三甲基苯甲酰基苯基膦酸乙酯,或2-二甲氨基-2-苄基-1-[4-(4-吗啉基)苯基]-1-丁酮;
所述的活性稀释剂为丙烯酸异癸酯,或丙烯酸月桂酯,或甲基丙烯酸四氢呋喃甲酯,或聚乙二醇600二丙烯酸酯,或三丙醇二丙烯酸酯;
所述的增粘剂为γ-氨丙基三乙氧基硅烷,或γ-甲基丙烯酸酰氧基丙基三甲氧基硅烷,或3-氨丙基三甲氧基硅烷;
所述的消泡剂为乳化硅油,或高碳醇脂肪酸酯复合物,或聚氧乙烯聚氧丙烯季戊四醇醚,或聚氧乙烯聚氧丙醇胺醚,或聚氧丙烯甘油醚,或聚氧丙烯。
本发明中的光固化有机硅材料是现有技术中的材料,例如《材料导报》2006年4月第20卷第4期中,“光固化有机硅材料研究发展”译文,即系统介绍了光固化有机硅材料的种类,简单来说,光固化有机硅材料主要由五种类型,即硫醇-烯烃官能化聚硅氧烷、丙烯酸酯化聚硅氧烷、环氧官能化聚硅氧烷、苯乙烯基聚硅氧烷、乙烯基醚官能化聚硅氧烷。
本发明的有益效果在于:相较于传统增亮膜,EVA基材和光固化有机硅材料具有更好的柔软性,在各向延展性方面有着优秀的表现。
具体实施方式
下面结合具体实施方式对本发明作进一步详细说明。
实施例一,一种柔性增亮膜的制备方法,包括下列步骤:
A.按照下列配比将各物料混合均匀从而形成混合助剂:
交联剂:5质量份,交联剂为2,5-二甲基-2,5-(二叔丁基过氧化)己烷;
抗氧化剂:1质量份,抗氧化剂为亚磷酸三苯酯;
增粘剂:0.2质量份,增粘剂为γ-甲基丙烯酸酰氧基丙基三甲氧基硅烷;
B.将100质量份的EVA粒子加入混料机,然后将步骤A中1/3~2/3质量的混合助剂加入到混料机中,搅拌2-3min,然后再将剩余混合助剂加入混料机,继续搅拌1-2min,得到混合物;所述EVA粒子(乙烯-醋酸乙烯共聚物粒子)中VA(醋酸乙烯)的质量百分含量为15%。
C.将步骤B中得到的混合物加入熔融挤出机,控制熔融温度80~100℃范围内,进行挤出,通过流延冷却形成基膜;
D. 按照下列配比将各物料混合均匀从而形成棱镜胶水材料:
光固化有机硅材料:100质量份,光固化有机硅材料可用任意现有技术中的光固化有机硅材料即可,例如硫醇-烯烃官能化聚硅氧烷;
光引发剂: 5质量份,光引发剂为2-羟基-2-甲基-1-苯基丙酮;
活性稀释剂:10质量份,活性稀释剂为丙烯酸异癸酯;
增粘剂:0.1质量份,增粘剂为γ-甲基丙烯酸酰氧基丙基三甲氧基硅烷;
消泡剂:0.1质量份,消泡剂为乳化硅油;
E.将步骤C中获得的基膜正反两面进行抗静电电晕处理后,与配好的棱镜胶水材料在流延线上复合,通过模压机复合成膜;
F.将步骤E中所得复合膜通过UV固化装置进行固化成型,最终成膜。
实施例二,一种柔性增亮膜的制备方法,包括下列步骤:
A.按照下列配比将各物料混合均匀从而形成混合助剂:
交联剂:1质量份,交联剂为过氧化二异丙苯;
抗氧化剂:1.5质量份,抗氧化剂为四(3,5-二叔丁基-4-羟基)苯丙酸季戊四醇酯;
增粘剂:0.02质量份,增粘剂为γ-氨丙基三乙氧基硅烷;
B.将100质量份的EVA粒子加入混料机,然后将步骤A中1/3~2/3质量的混合助剂加入到混料机中,搅拌2-3min,然后再将剩余混合助剂加入混料机,继续搅拌1-2min,得到混合物;所述EVA粒子(乙烯-醋酸乙烯共聚物粒子)中VA(醋酸乙烯)的质量百分含量为10%。
C.将步骤B中得到的混合物加入熔融挤出机,控制熔融温度80~100℃范围内,进行挤出,通过流延冷却形成基膜;
D. 按照下列配比将各物料混合均匀从而形成棱镜胶水材料:
光固化有机硅材料:100质量份,光固化有机硅材料可用任意现有技术中的光固化有机硅材料即可,例如丙烯酸酯化聚硅氧烷;
光引发剂: 3质量份,光引发剂为1-羟基环己基苯基甲酮;
活性稀释剂:20质量份,活性稀释剂为丙烯酸月桂酯;
增粘剂:0.05质量份,增粘剂为γ-氨丙基三乙氧基硅烷;
消泡剂:0.3质量份,消泡剂为高碳醇脂肪酸酯复合物;
E.将步骤C中获得的基膜正反两面进行抗静电电晕处理后,与配好的棱镜胶水材料在流延线上复合,通过模压机复合成膜;
F.将步骤E中所得复合膜通过UV固化装置进行固化成型,最终成膜。
实施例三,一种柔性增亮膜的制备方法,包括下列步骤:
A.按照下列配比将各物料混合均匀从而形成混合助剂:
交联剂:10质量份,交联剂为过氧化氢二异丙苯;
抗氧化剂:0.7质量份,抗氧化剂为β-(3,5-二叔丁基-4-羟基苯基)丙酸十八醇酯;
增粘剂:0.3质量份,增粘剂为3-氨丙基三甲氧基硅烷;
B.将100质量份的EVA粒子加入混料机,然后将步骤A中1/3~2/3质量的混合助剂加入到混料机中,搅拌2-3min,然后再将剩余混合助剂加入混料机,继续搅拌1-2min,得到混合物;所述EVA粒子(乙烯-醋酸乙烯共聚物粒子)中VA(醋酸乙烯)的质量百分含量为8%。
C.将步骤B中得到的混合物加入熔融挤出机,控制熔融温度80~100℃范围内,进行挤出,通过流延冷却形成基膜;
D. 按照下列配比将各物料混合均匀从而形成棱镜胶水材料:
光固化有机硅材料:100质量份,光固化有机硅材料可用任意现有技术中的光固化有机硅材料即可,例如环氧官能化聚硅氧烷;
光引发剂: 1质量份,光引发剂为2,4,6-三甲基苯甲酰基-二苯基氧化膦;
活性稀释剂:18质量份,活性稀释剂为甲基丙烯酸四氢呋喃甲酯;
增粘剂:0.02质量份,增粘剂为3-氨丙基三甲氧基硅烷;
消泡剂:0.08质量份,消泡剂为聚氧乙烯聚氧丙烯季戊四醇醚;
E.将步骤C中获得的基膜正反两面进行抗静电电晕处理后,与配好的棱镜胶水材料在流延线上复合,通过模压机复合成膜;
F.将步骤E中所得复合膜通过UV固化装置进行固化成型,最终成膜。
实施例四,一种柔性增亮膜的制备方法,包括下列步骤:
A.按照下列配比将各物料混合均匀从而形成混合助剂:
交联剂:2质量份,交联剂为过氧化二苯甲酰;
抗氧化剂:0.5质量份,抗氧化剂为四(3,5-二叔丁基-4-羟基)苯丙酸季戊四醇酯;
增粘剂:0.1质量份,增粘剂为γ-甲基丙烯酸酰氧基丙基三甲氧基硅烷;
B.将100质量份的EVA粒子加入混料机,然后将步骤A中1/3~2/3质量的混合助剂加入到混料机中,搅拌2-3min,然后再将剩余混合助剂加入混料机,继续搅拌1-2min,得到混合物;所述EVA粒子(乙烯-醋酸乙烯共聚物粒子)中VA(醋酸乙烯)的质量百分含量为17%。
C.将步骤B中得到的混合物加入熔融挤出机,控制熔融温度80~100℃范围内,进行挤出,通过流延冷却形成基膜;
D. 按照下列配比将各物料混合均匀从而形成棱镜胶水材料:
光固化有机硅材料:100质量份,光固化有机硅材料可用任意现有技术中的光固化有机硅材料即可,例如苯乙烯基聚硅氧烷;
光引发剂:10质量份,光引发剂为2,4,6-三甲基苯甲酰基苯基膦酸乙酯;
活性稀释剂:5质量份,活性稀释剂为聚乙二醇600二丙烯酸酯;
增粘剂:0.5质量份,增粘剂为γ-氨丙基三乙氧基硅烷;
消泡剂:0.02质量份,消泡剂为聚氧乙烯聚氧丙醇胺醚;
E.将步骤C中获得的基膜正反两面进行抗静电电晕处理后,与配好的棱镜胶水材料在流延线上复合,通过模压机复合成膜;
F.将步骤E中所得复合膜通过UV固化装置进行固化成型,最终成膜。
实施例五,一种柔性增亮膜的制备方法,包括下列步骤:
A.按照下列配比将各物料混合均匀从而形成混合助剂:
交联剂:4质量份,交联剂为1,1-二(叔丁基过氧)环己烷;
抗氧化剂:2质量份,抗氧化剂为亚磷酸三苯酯;
增粘剂:0.05质量份,增粘剂为3-氨丙基三甲氧基硅烷;
B.将100质量份的EVA粒子加入混料机,然后将步骤A中1/3~2/3质量的混合助剂加入到混料机中,搅拌2-3min,然后再将剩余混合助剂加入混料机,继续搅拌1-2min,得到混合物;所述EVA粒子(乙烯-醋酸乙烯共聚物粒子)中VA(醋酸乙烯)的质量百分含量为19%。
C.将步骤B中得到的混合物加入熔融挤出机,控制熔融温度80~100℃范围内,进行挤出,通过流延冷却形成基膜;
D. 按照下列配比将各物料混合均匀从而形成棱镜胶水材料:
光固化有机硅材料:100质量份,光固化有机硅材料可用任意现有技术中的光固化有机硅材料即可,例如乙烯基醚官能化聚硅氧烷;
光引发剂:7质量份,光引发剂为2-二甲氨基-2-苄基-1-[4-(4-吗啉基)苯基]-1-丁酮;
活性稀释剂:15质量份,活性稀释剂为三丙醇二丙烯酸酯;
增粘剂:0.4质量份,增粘剂为γ-甲基丙烯酸酰氧基丙基三甲氧基硅烷;
消泡剂:0.5质量份,消泡剂为聚氧丙烯甘油醚;
E.将步骤C中获得的基膜正反两面进行抗静电电晕处理后,与配好的棱镜胶水材料在流延线上复合,通过模压机复合成膜;
F.将步骤E中所得复合膜通过UV固化装置进行固化成型,最终成膜。
实施例六,一种柔性增亮膜的制备方法,包括下列步骤:
A.按照下列配比将各物料混合均匀从而形成混合助剂:
交联剂:8质量份,交联剂为叔丁基过氧化碳酸-2-乙基己酯;
抗氧化剂:1.8质量份,抗氧化剂为β-(3,5-二叔丁基-4-羟基苯基)丙酸十八醇酯;
增粘剂:0.5质量份,增粘剂为γ-氨丙基三乙氧基硅烷;
B.将100质量份的EVA粒子加入混料机,然后将步骤A中1/3~2/3质量的混合助剂加入到混料机中,搅拌2-3min,然后再将剩余混合助剂加入混料机,继续搅拌1-2min,得到混合物;所述EVA粒子(乙烯-醋酸乙烯共聚物粒子)中VA(醋酸乙烯)的质量百分含量为12%。
C.将步骤B中得到的混合物加入熔融挤出机,控制熔融温度80~100℃范围内,进行挤出,通过流延冷却形成基膜;
D. 按照下列配比将各物料混合均匀从而形成棱镜胶水材料:
光固化有机硅材料:100质量份,光固化有机硅材料可用任意现有技术中的光固化有机硅材料即可,例如丙烯酸酯化聚硅氧烷;
光引发剂:8质量份,光引发剂为2-羟基-2-甲基-1-苯基丙酮;
活性稀释剂:8质量份,活性稀释剂为丙烯酸异癸酯;
增粘剂:0.2质量份,增粘剂为γ-氨丙基三乙氧基硅烷;
消泡剂:0.4质量份,消泡剂为聚氧丙烯;
E.将步骤C中获得的基膜正反两面进行抗静电电晕处理后,与配好的棱镜胶水材料在流延线上复合,通过模压机复合成膜;
F.将步骤E中所得复合膜通过UV固化装置进行固化成型,最终成膜。
Claims (4)
1.一种柔性增亮膜的制备方法,其特征在于包括下列步骤:
A.按照下列配比将各物料混合均匀从而形成混合助剂:
交联剂:1~10质量份;
抗氧化剂:0.5~2质量份;
增粘剂:0.02~0.5质量份;
B.将100质量份的EVA粒子加入混料机,然后将步骤A中1/3~2/3质量的混合助剂加入到混料机中,搅拌2-3min,然后再将剩余混合助剂加入混料机,继续搅拌1-2min,得到混合物;
C.将步骤B中得到的混合物加入熔融挤出机,控制熔融温度80~100℃,进行挤出,通过流延冷却形成基膜;
D. 按照下列配比将各物料混合均匀从而形成棱镜胶水材料:
光固化有机硅材料:100质量份;
光引发剂: 1~10质量份;
活性稀释剂:5~20质量份;
增粘剂0.02~0.5质量份;
消泡剂:0.02~0.5质量份;
E.将步骤C中获得的基膜正反两面进行抗静电电晕处理后,与配好的棱镜胶水材料在流延线上复合,通过模压机复合成膜;
F.将步骤E中所得复合膜通过UV固化装置进行固化成型,最终成膜。
2.如权利要求1所述的柔性增亮膜的制备方法,其特征在于:在步骤B中,所述EVA粒子中VA的质量百分含量为8%~19%。
3.如权利要求2所述的柔性增亮膜的制备方法,其特征在于:在步骤A中,所述的交联剂为过氧化二异丙苯,或2,5-二甲基-2,5-(二叔丁基过氧化)己烷,或过氧化氢二异丙苯,或过氧化二苯甲酰,或1,1-二(叔丁基过氧)环己烷,或叔丁基过氧化碳酸-2-乙基己酯;
所述的抗氧化剂为四(3,5-二叔丁基-4-羟基)苯丙酸季戊四醇酯,或亚磷酸三苯酯,或β-(3,5-二叔丁基-4-羟基苯基)丙酸十八醇酯
所述的增粘剂为γ-氨丙基三乙氧基硅烷,或γ-甲基丙烯酸酰氧基丙基三甲氧基硅烷,或3-氨丙基三甲氧基硅烷。
4.如权利要求3所述的柔性增亮膜的制备方法,其特征在于:在步骤D中,所述的光引发剂为2-羟基-2-甲基-1-苯基丙酮,或1-羟基环己基苯基甲酮,或2,4,6-三甲基苯甲酰基-二苯基氧化膦,或2,4,6-三甲基苯甲酰基苯基膦酸乙酯,或2-二甲氨基-2-苄基-1-[4-(4-吗啉基)苯基]-1-丁酮;
所述的活性稀释剂为丙烯酸异癸酯,或丙烯酸月桂酯,或甲基丙烯酸四氢呋喃甲酯,或聚乙二醇600二丙烯酸酯,或三丙醇二丙烯酸酯;
所述的增粘剂为γ-氨丙基三乙氧基硅烷,或γ-甲基丙烯酸酰氧基丙基三甲氧基硅烷,或3-氨丙基三甲氧基硅烷
所述的消泡剂为乳化硅油,或高碳醇脂肪酸酯复合物,或聚氧乙烯聚氧丙烯季戊四醇醚,或聚氧乙烯聚氧丙醇胺醚,或聚氧丙烯甘油醚,或聚氧丙烯。
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