CN104004316A - 一种液晶显示基板材料及其制备方法 - Google Patents

一种液晶显示基板材料及其制备方法 Download PDF

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CN104004316A
CN104004316A CN201410258120.1A CN201410258120A CN104004316A CN 104004316 A CN104004316 A CN 104004316A CN 201410258120 A CN201410258120 A CN 201410258120A CN 104004316 A CN104004316 A CN 104004316A
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陈斌
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Jiangsu create new material Co., Ltd.
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/04—Particle-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/918—Thermal treatment of the stream of extruded material, e.g. cooling characterized by differential heating or cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed material
    • B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
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    • B29C2948/9259—Angular velocity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
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  • Mechanical Engineering (AREA)
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Abstract

本发明属于高分子材料领域，公开了一种液晶显示基板材料及其制备方法。液晶显示基板材料由以下成分按照重量比组成：ABS环氧树脂为26-38份、聚酯为13-25份、聚对苯二甲酸乙二醇酯为18-22份、邻苯二甲酸二甲酯为5-7份、聚碳酸酯为8-12份。液晶显示基板材料制备方法为将所述的各种成分进行高温熔融、通过双螺杆挤出机进行挤压处理，经过挤出、冷却、切粒后获得液晶显示基板材料。本发明的液晶显示基板材料具有较好的耐热性能，较好的拉伸强度和断裂伸长率，可作为基板材料应用于液晶显示等领域。

Description

一种液晶显示基板材料及其制备方法
技术领域
本发明属于高分子材料领域，涉及一种材料及其制备方法，尤其涉及一种液晶显示基板材料其制备方法。
背景技术
随着工业技术的进步，显示器的材质也在不断的进行更新。从之前的刚性玻璃到柔性基板，所经历的时间也非常短。柔性液晶显示器具有非常广的用途，如智能电视、智能手机、电脑等电子产品中有着大量的应用。基板材料作为液晶显示器的组成部分，基板材料的各种物理性能也对液晶显示器的性能有着较关键的作用。液晶显示器的基板材料必须具备较高的耐热性能，另外还需具有较好的拉伸性能和断裂伸长率。这些性能的优劣都会左右着液晶显示器的使用寿命和产品品质。
发明内容
要解决的技术问题：常规的基板材料的耐热性能有待提高，同时其作为柔性材料的拉伸性能和断裂伸长率也较低，不能较好的应用于液晶显示器的基板的问题。
技术方案：本发明公开了一种液晶显示基板材料，液晶显示基板材料由以下成分按照重量比组成： ABS环氧树脂为26-38份、聚酯为13-25份、聚对苯二甲酸乙二醇酯为18-22份、邻苯二甲酸二甲酯为5-7份、聚碳酸酯为8-12份。
一种液晶显示基板材料的制备方法，包括以下步骤：
（1）取ABS环氧树脂为26-38份、聚酯为13-25份、聚对苯二甲酸乙二醇酯为18-22份、邻苯二甲酸二甲酯为5-7份、聚碳酸酯为8-12份，将ABS环氧树脂、聚酯、聚对苯二甲酸乙二醇酯、邻苯二甲酸二甲酯和聚碳酸酯五种材料加热至120-140℃，加热后进行搅拌，高温混合均匀；
（2）打开双螺杆挤压机，将步骤（1）中混合均匀后的混合物通过双螺杆挤压机进行挤压处理，双螺杆挤压机转速为100-300转/分钟，双螺杆挤压机的各区温度分别为：一区为170-175℃，二区为180-185℃，三区为195-200℃，四区为205-210℃；
（3）挤出后将混合物进行切粒，切粒后制备得到液晶显示基板材料。
所述的一种液晶显示基板材料的制备方法中，ABS环氧树脂优选为38份。
所述的一种液晶显示基板材料的制备方法中，双螺杆挤压机一区温度优选为175℃。
所述的一种液晶显示基板材料的制备方法中，制备过程中将各种材料优选加热至140℃。
 
有益效果：
通过将ABS环氧树脂、聚酯、聚对苯二甲酸乙二醇酯、邻苯二甲酸二甲酯、聚碳酸酯五种材料进行有效组合，制备得到的液晶显示基板材料具有良好的耐热性能、拉伸性能和断裂伸长率。本发明的液晶显示基板材料可耐150℃下30h至50h无老化、变形的情况。拉伸强度为37.4MPa至39.8MPa。断裂伸长率为33%至36%。
具体实施方式
以下结合实施例对本发明作进一步的说明。
实施例1
（1）取ABS环氧树脂为26kg、聚酯为25kg、聚对苯二甲酸乙二醇酯为20kg、邻苯二甲酸二甲酯为5kg、聚碳酸酯为8kg，将ABS环氧树脂、聚酯、聚对苯二甲酸乙二醇酯、邻苯二甲酸二甲酯和聚碳酸酯五种材料加热至130℃，加热后进行搅拌，高温混合均匀；
（2）打开双螺杆挤压机，将步骤（1）中混合均匀后的混合物通过双螺杆挤压机进行挤压处理，双螺杆挤压机转速为300转/分钟，双螺杆挤压机的各区温度分别为：一区为170℃，二区为185℃，三区为195℃，四区为210℃；
（3）挤出后将混合物进行切粒，切粒后制备得到液晶显示基板材料。
实施例2
（1）取ABS环氧树脂为32kg、聚酯为13kg、聚对苯二甲酸乙二醇酯为18kg、邻苯二甲酸二甲酯为7kg、聚碳酸酯为12kg，将ABS环氧树脂、聚酯、聚对苯二甲酸乙二醇酯、邻苯二甲酸二甲酯和聚碳酸酯五种材料加热至120℃，加热后进行搅拌，高温混合均匀；
（2）打开双螺杆挤压机，将步骤（1）中混合均匀后的混合物通过双螺杆挤压机进行挤压处理，双螺杆挤压机转速为100转/分钟，双螺杆挤压机的各区温度分别为：一区为175℃，二区为185℃，三区为200℃，四区为205℃；
（3）挤出后将混合物进行切粒，切粒后制备得到液晶显示基板材料。
实施例3
（1）取ABS环氧树脂为38kg、聚酯为19kg、聚对苯二甲酸乙二醇酯为22kg、邻苯二甲酸二甲酯为6kg、聚碳酸酯为10kg，将ABS环氧树脂、聚酯、聚对苯二甲酸乙二醇酯、邻苯二甲酸二甲酯和聚碳酸酯五种材料加热至140℃，加热后进行搅拌，高温混合均匀；
（2）打开双螺杆挤压机，将步骤（1）中混合均匀后的混合物通过双螺杆挤压机进行挤压处理，双螺杆挤压机转速为200转/分钟，双螺杆挤压机的各区温度分别为：一区为170℃，二区为180℃，三区为195℃，四区为210℃；
（3）挤出后将混合物进行切粒，切粒后制备得到液晶显示基板材料。
制备得到的液晶显示基板材料的耐热强度、拉伸强度和断裂伸长率结果如下表所示。
对液晶显示基板材料的组成和配比进行优化后，所制备的基板材料具有了较高的耐热性能、较好的拉伸强度和断裂伸长率，可作为液晶显示器的基板材料应用于液晶显示领域，提高液晶显示器的使用寿命和产品品质。

Claims (5)

1.一种液晶显示基板材料，其特征在于液晶显示基板材料由以下成分按照重量比组成： ABS环氧树脂为26-38份、聚酯为13-25份、聚对苯二甲酸乙二醇酯为18-22份、邻苯二甲酸二甲酯为5-7份、聚碳酸酯为8-12份。
2.一种液晶显示基板材料的制备方法，其特征在于包括以下步骤：
（1）取ABS环氧树脂为26-38份、聚酯为13-25份、聚对苯二甲酸乙二醇酯为18-22份、邻苯二甲酸二甲酯为5-7份、聚碳酸酯为8-12份，将ABS环氧树脂、聚酯、聚对苯二甲酸乙二醇酯、邻苯二甲酸二甲酯和聚碳酸酯五种材料加热至120-140℃，加热后进行搅拌，高温混合均匀；
（2）打开双螺杆挤压机，将步骤（1）中混合均匀后的混合物通过双螺杆挤压机进行挤压处理，双螺杆挤压机转速为100-300转/分钟，双螺杆挤压机的各区温度分别为：一区为170-175℃，二区为180-185℃，三区为195-200℃，四区为205-210℃；
（3）挤出后将混合物进行切粒，切粒后制备得到液晶显示基板材料。
3.根据权利要求2所述的一种液晶显示基板材料的制备方法，其特征在于制备方法中所述的ABS环氧树脂为38份。
4.根据权利要求2所述的一种液晶显示基板材料的制备方法，其特征在于制备方法中双螺杆挤压机一区温度为175℃。
5.根据权利要求2所述的一种液晶显示基板材料的制备方法，其特征在于制备过程中将各种材料加热至140℃。
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105348733A (zh) * 2015-09-30 2016-02-24 安徽酷米智能科技有限公司 一种高硬度耐磨防碎手机屏
CN109721949A (zh) * 2018-11-29 2019-05-07 重庆秉为科技有限公司 一种电泳显示器用衬底材料及其制备方法

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CN102825889A (zh) * 2012-08-10 2012-12-19 京东方科技集团股份有限公司 显示基板及具有该显示基板的显示装置

Patent Citations (1)

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CN102825889A (zh) * 2012-08-10 2012-12-19 京东方科技集团股份有限公司 显示基板及具有该显示基板的显示装置

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105348733A (zh) * 2015-09-30 2016-02-24 安徽酷米智能科技有限公司 一种高硬度耐磨防碎手机屏
CN109721949A (zh) * 2018-11-29 2019-05-07 重庆秉为科技有限公司 一种电泳显示器用衬底材料及其制备方法

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