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CN107057239A - 一种耐候灯箱布及其生产工艺 - Google Patents

一种耐候灯箱布及其生产工艺 Download PDF

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CN107057239A
CN107057239A CN201710429289.2A CN201710429289A CN107057239A CN 107057239 A CN107057239 A CN 107057239A CN 201710429289 A CN201710429289 A CN 201710429289A CN 107057239 A CN107057239 A CN 107057239A
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light box
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金利锋
林丽明
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Guangzhou Yiheng Advertising Co ltd
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Abstract

本发明涉及一种耐候灯箱布，所述的灯箱布由网格布、分别设置于网格布两侧的背膜及面膜组成，所述的背膜由以下重量份的原料组成：聚氯乙烯树脂100份、环氧树脂20‑40份、碳酸钙15‑22份、纳米钙36‑50、邻苯二甲酸酯20‑40份、环氧大豆油3‑5份、颜色粉6‑10份及稳定剂4‑6份；所述的面膜由以下重量份的原料组成：聚氯乙烯树脂100份、环氧树脂30‑40份、碳酸钙15‑22份、纳米钙48‑53份、邻苯二甲酸酯28‑55份、环氧大豆油3‑5份、颜色粉6‑10份及稳定剂4‑6份。本发明所述的一种耐候灯箱布，具有良好的耐候性及柔韧性。

Description

一种耐候灯箱布及其生产工艺
技术领域
本发明涉及一种耐候灯箱布及其生产工艺。
背景技术
随着社会的进步和人们对广告业的深入认识和了解，国内的广告业得到了迅速发展，而户外广告业以其强烈的视觉冲击力和富有竞争力的成本，受到了广大广告业户的青睐。灯箱布是一种由两层PVC和一层高强度的网格布组成的灯箱招牌面料，也叫宝丽布，分内打光和外打光两种，主要生产方法有刀刮涂层法、压延法、贴合法。特点是厚度、抗拉力强度。随着灯箱广告的广泛使用，随处可见形形式式的色彩艳丽的灯箱广告。而其所采用的广告材料对其强度、耐腐性、耐水性的要求也越来越高。现有的灯箱布其柔韧性及耐候性不是非常理想，难以长时间在户外使用而保持原有的色泽及韧性。
发明内容
本发明要解决的技术问题是：为了克服上述中存在的问题，提供了一种耐候灯箱布，具有良好的耐候性及柔韧性。
本发明解决其技术问题提供了：一种耐候灯箱布，所述的灯箱布由网格布、分别设置于网格布两侧的背膜及面膜组成，所述的背膜由以下重量份的原料组成：聚氯乙烯树脂100份、环氧树脂20-40份、碳酸钙15-22份、纳米钙36-50、邻苯二甲酸酯20-40份、环氧大豆油3-5份、颜色粉6-10份及稳定剂4-6份；
所述的面膜由以下重量份的原料组成：聚氯乙烯树脂100份、环氧树脂30-40份、碳酸钙15-22份、纳米钙48-53份、邻苯二甲酸酯28-55份、环氧大豆油3-5份、颜色粉6-10份及稳定剂4-6份。
作为优选，所述的膜由以下重量份的原料组成：聚氯乙烯树脂100份、环氧树脂35份、碳酸钙17份、纳米钙40、邻苯二甲酸酯35份、环氧大豆油3份、颜色粉6份及稳定剂4份；所述的面膜由以下重量份的原料组成：聚氯乙烯树脂100份、环氧树脂30份、碳酸钙15份、纳米钙49份、邻苯二甲酸酯29份、环氧大豆油35份、颜色粉6份及稳定剂4份。
作为优选，所述的环氧树脂为环己烷二甲醇环氧树脂与氢化双酚 A 环氧树脂由1:1的比例组成的混合物。环氧树脂为最重要的热固性聚合物类别之一，耐候性环氧涂层可消除防腐蚀涂布系统中的面漆的需求，环氧树脂具有良好的物理、化学性能，它对金属和非金属材料的表面具有优异的粘接强度，介电性能良好，变形收缩率小，制品尺寸稳定性好，硬度高，柔韧性较好，对碱及大部分溶剂稳定。
作为优选，所述的稳定剂为有机锡。有机锡稳定剂具有卓越的透明性,使用有机锡稳定剂的PVC膜类配方,可得到结晶般的制品；具有良好的透光性。
本发明解决其技术问题还提供了：一种耐候灯箱布生产工艺，所述的背膜的生产工艺为：将重量份为聚氯乙烯树脂100份、环氧树脂35份、碳酸钙17份、纳米钙40、邻苯二甲酸酯35份、环氧大豆油3份、颜色粉6份及稳定剂4份进行混合搅拌，得到背膜主料；对背膜主料进行压延、压花、冷却和卷取，从而制得背膜；
所述的面膜的生产工艺为：将重量份为聚氯乙烯树脂100份、环氧树脂30份、碳酸钙15份、纳米钙49份、邻苯二甲酸酯29份、环氧大豆油35份、颜色粉6份及稳定剂4份进行混合搅拌，得到面膜主料；对面膜主料进行压延、压花、冷却和卷取，从而制得面膜；
分别将背膜与面膜贴合到网格布两侧，得到灯箱布。
进一步地，所述背膜与面膜的生产工艺的搅拌过程包括：
（1）升温搅拌，搅拌过程中将搅拌物料温度升高到110度，搅拌一分钟；
（2）冷却搅拌，降低搅拌物料的温度，搅拌物料温度降低到50度时，停止搅拌；并且将物料和成团状。
进一步地，采用四棍压延机分别对所述背膜主料及面膜主料进行压延。
本发明的有益效果是：一种耐候灯箱布，具有良好的耐候性、吸墨性，面膜与背膜的塑化非常均匀，吸墨性能突出，各成分为一个有机的整体，原料之间会产生协同效应，增加了灯箱布的耐候及柔韧性能，延长了灯箱布产品的使用寿命。
具体实施方式
现在通过实施例对本发明进行详细说明。
实施例1
耐候灯箱布，所述的灯箱布由网格布、分别设置于网格布两侧的背膜及面膜组成，所述的膜由以下重量份的原料组成：聚氯乙烯树脂100份、环氧树脂35份、碳酸钙17份、纳米钙40、邻苯二甲酸酯35份、环氧大豆油3份、颜色粉6份及稳定剂4份；所述的面膜由以下重量份的原料组成：聚氯乙烯树脂100份、环氧树脂30份、碳酸钙15份、纳米钙49份、邻苯二甲酸酯29份、环氧大豆油35份、颜色粉6份及稳定剂4份。
所述的环氧树脂为环己烷二甲醇环氧树脂与氢化双酚 A 环氧树脂由1:1的比例组成的混合物。环氧树脂为最重要的热固性聚合物类别之一，耐候性环氧涂层可消除防腐蚀涂布系统中的面漆的需求，环氧树脂具有良好的物理、化学性能，它对金属和非金属材料的表面具有优异的粘接强度，介电性能良好，变形收缩率小，制品尺寸稳定性好，硬度高，柔韧性较好，对碱及大部分溶剂稳定。
所述的稳定剂为有机锡。其中，有机锡稳定剂具有卓越的透明性,使用有机锡稳定剂的PVC膜类配方,可得到结晶般的制品；具有良好的透光性。
本发明所述的一种耐候灯箱布，具有良好的耐候性、吸墨性，面膜与背膜的塑化非常均匀，吸墨性能突出，各成分为一个有机的整体，原料之间会产生协同效应，增加了灯箱布的耐候及柔韧性能，延长了灯箱布产品的使用寿命。
实施例2
耐候灯箱布生产工艺，所述的背膜的生产工艺为：将重量份为聚氯乙烯树脂100份、环氧树脂35份、碳酸钙17份、纳米钙40、邻苯二甲酸酯35份、环氧大豆油3份、颜色粉6份及稳定剂4份进行混合搅拌，其中，搅拌过程包含（1）升温搅拌，搅拌过程中将搅拌物料温度升高到110度，搅拌一分钟；（2）冷却搅拌，降低搅拌物料的温度，搅拌物料温度降低到50度时，停止搅拌；采用行星机将物料和成团状；采用砸轮机将物料彻底充分塑化混合，得到背膜主料；采用四棍压延机对背膜主料进行压延、压花、冷却和卷取，从而制得背膜；
所述的面膜的生产工艺为：将重量份为聚氯乙烯树脂100份、环氧树脂30份、碳酸钙15份、纳米钙49份、邻苯二甲酸酯29份、环氧大豆油35份、颜色粉6份及稳定剂4份进行混合搅拌，其中，搅拌过程包含（1）升温搅拌，搅拌过程中将搅拌物料温度升高到110度，搅拌一分钟；（2）冷却搅拌，降低搅拌物料的温度，搅拌物料温度降低到50度时，停止搅拌；采用行星机将物料和成团状；采用砸轮机将物料彻底充分塑化混合，得到面膜主料；采用四棍压延机对面膜主料进行压延、压花、冷却和卷取，从而制得面膜。
分别将背膜与面膜贴合到网格布两侧，得到灯箱布。
本实施例中的制得的灯箱布，原料之间均匀混合，各成分为一个有机的整体，面膜与背膜的塑化非常均匀，吸墨性能突出，具有良好的耐候性及柔韧性能，延长了灯箱布产品的使用寿命；本实施例中的制得的灯箱布，使用两年后，依然具有原有的色泽及韧性。
以上述依据本发明的理想实施例为启示，通过上述的说明内容，相关工作人员完全可以在不偏离本项发明技术思想的范围内，进行多样的变更以及修改。本项发明的技术性范围并不局限于说明书上的内容，必须要根据权利要求范围来确定其技术性范围。

Claims (7)

1.一种耐候灯箱布，所述的灯箱布由网格布、分别设置于网格布两侧的背膜及面膜组成，其特征在于，所述的背膜由以下重量份的原料组成：聚氯乙烯树脂100份、环氧树脂20-40份、碳酸钙15-22份、纳米钙36-50、邻苯二甲酸酯20-40份、环氧大豆油3-5份、颜色粉6-10份及稳定剂4-6份；
所述的面膜由以下重量份的原料组成：聚氯乙烯树脂100份、环氧树脂30-40份、碳酸钙15-22份、纳米钙48-53份、邻苯二甲酸酯28-55份、环氧大豆油3-5份、颜色粉6-10份及稳定剂4-6份。
2.根据权利要求1所述的一种耐候灯箱布，其特征在于，所述的膜由以下重量份的原料组成：聚氯乙烯树脂100份、环氧树脂35份、碳酸钙17份、纳米钙40、邻苯二甲酸酯35份、环氧大豆油3份、颜色粉6份及稳定剂4份；所述的面膜由以下重量份的原料组成：聚氯乙烯树脂100份、环氧树脂30份、碳酸钙15份、纳米钙49份、邻苯二甲酸酯29份、环氧大豆油35份、颜色粉6份及稳定剂4份。
3.根据权利要求1或2所述的一种耐候灯箱布，其特征在于，所述的环氧树脂为环己烷二甲醇环氧树脂与氢化双酚 A 环氧树脂由1:1的比例组成的混合物。
4.根据权利要求1或2所述的一种耐候灯箱布，其特征在于，所述的稳定剂为有机锡。
5.一种耐候灯箱布生产工艺，其特征在于，所述的背膜的生产工艺为：将重量份为聚氯乙烯树脂100份、环氧树脂35份、碳酸钙17份、纳米钙40、邻苯二甲酸酯35份、环氧大豆油3份、颜色粉6份及稳定剂4份进行混合搅拌，得到背膜主料；对背膜主料进行压延、压花、冷却和卷取，从而制得背膜；
所述的面膜的生产工艺为：将重量份为聚氯乙烯树脂100份、环氧树脂30份、碳酸钙15份、纳米钙49份、邻苯二甲酸酯29份、环氧大豆油35份、颜色粉6份及稳定剂4份进行混合搅拌，得到面膜主料；对面膜主料进行压延、压花、冷却和卷取，从而制得面膜；
分别将背膜与面膜贴合到网格布两侧，得到灯箱布。
6.根据权利要求5所述的一种耐候灯箱布生产工艺，其特征在于，所述背膜与面膜的生产工艺的搅拌过程包括：
（1）升温搅拌，搅拌过程中将搅拌物料温度升高到110度，搅拌一分钟；
（2）冷却搅拌，降低搅拌物料的温度，搅拌物料温度降低到50度时，停止搅拌；并且将物料和成团状。
7.根据权利要求5所述的一种耐候灯箱布生产工艺，其特征在于，采用四棍压延机分别对所述背膜主料及面膜主料进行压延。
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