PBT/PC材料在证件制作中的应用研究

doi:10.19491/j.issn.1001-9278.2021.02.012

中国塑料 ›› 2021, Vol. 35 ›› Issue (2): 71-76.DOI: 10.19491/j.issn.1001-9278.2021.02.012

PBT/PC材料在证件制作中的应用研究

王成(), 翁楠昌, 聂岩, 秦红亮

公安部第一研究所，北京 100044

收稿日期:2020-08-17 出版日期:2021-02-26 发布日期:2021-02-22
基金资助:
国家重点研发计划资助(（2018YFC0831505）)

Study on Application of PBT/PC Film in Document Manufacturing

WANG Cheng(), WENG Nanchang, NIE Yan, QIN Hongliang

The first Research Institute of the Ministry of Public Security of PRC，Beijing 100044，China

Received:2020-08-17 Online:2021-02-26 Published:2021-02-22
Contact: WANG Cheng E-mail:wchoak@263.net

摘要/Abstract

摘要：

研究了聚对苯二甲酸丁二醇酯（PBT）/聚碳酸酯（PC）合金薄膜材料的透光率、表面张力、表面电阻、碳粉附着力、打印顺畅性等证件行业需求的薄膜材料特性；用PBT/PC合金薄膜材料与聚对苯二甲酸乙二醇酯?1，4环己烷二甲醇酯（PETG）卡基材料在一定温度、压力下层压制证，研究了其最佳层压制证条件，研究了PBT/PC合金薄膜材料与PETG卡基材料层压制得证件的图像质量、剥离强度等性能，通过加速老化实验研究了所制证件的耐久性，并对老化后的证件的图像质量、弯扭性能、尺寸稳定性、电性能等指标进行了测试。结果表明，PBT/PC合金薄膜材料的打印图像清晰牢固，与PETG卡基材料的最佳加工条件是温度为135 ℃、压力为1.5 MPa、时间为15~20 s，制得证件性能图像清晰，剥离强度牢固；加速老化测试表明证件图像质量、弯扭性能、尺寸稳定性、电性能等指标进行了符合标准要求，所制证件至少能够使用5年；PBT/PC合金薄膜材料可用于PETG卡基材料证件的制作。

关键词: 证件, 聚碳酸酯, 聚对苯二甲酸丁二醇酯, 合金, 聚对苯二甲酸乙二醇酯?1, 4环己烷二甲醇酯

Abstract:

PBT/PC alloys have a great number of excellent properties. In this paper， the characteristics of PBT/PC alloy films were studied， which included light transmittance， surface tension， surface resistance， carbon powder adhesion， printing smoothness and others that are required for document manufacture. The optimum pressing conditions for the PBT/PC alloy films with a PETG?matrix card material were investigated under a certain temperature and pressure. The image quality， peel strength and other properties of the certificate were obtained from the laminates of PBT/PC alloy films with the PETG-matrix card material. The durability of the document was studied through an accelerated aging test， and the image quality， bending and torsion performance， dimensional stability and electrical property of the document after aging were also evaluated. The results indicated that the printing image of the PBT/PC alloy films was clear and firm， and their optimum processing conditions with the PETG-matrix card material were determined to be a temperature of 135 °C， a pressure of 1.5 MPa and a time of 15~20 s. The obtained document has a clear performance image and firm peeling strength. The accelerated aging test results revealed that the image quality， bending and torsion properties， dimensional stability and electrical properties of the document could meet the requirement of the standard. The certificate can be used for at least 5 years. The PBT/PC alloy films can be used for the production of the document based on the PETG?matrix card material.

Key words: document, polycarbonate, polybuylene terephthalate alloy films, poly（ethylene terephthate-co-1, 4-cylohexylenedimethylene terephthalate）

中图分类号:

TQ323.4

王成, 翁楠昌, 聂岩, 秦红亮. PBT/PC材料在证件制作中的应用研究[J]. 中国塑料, 2021, 35(2): 71-76.

WANG Cheng, WENG Nanchang, NIE Yan, QIN Hongliang. Study on Application of PBT/PC Film in Document Manufacturing[J]. China Plastics, 2021, 35(2): 71-76.

图/表 17

图1 PBT/PC合金薄膜与PETG卡基层压后证件局部表观图

Fig.1 Photo for part of the card prepared by laminating of PBT/PC film and PETG matrix

测试面	表面张力值/N
正面	4.4×10^-4
背面	4.0×10^-4

表1 PBT/PC合金薄膜的表面张力

Tab.1 Surface tension of PBT/PC film

图2 PBT/PC合金薄膜材料油墨附着牢度测试

Fig.2 Adhesion testing for printing ink on the PBT/PC film

图3 文字图片

Fig.3 Photo of Chinese characters

图4 PBT/PC薄膜材料的损耗因子?温度曲线

Fig.4 tanδ?temperature trace of PBT/PC film

时间/s	表观	剥离强度/N·mm^-1
15	正常	0.13
20	正常	0.18
25	正常	0.17
30	正常	0.27
35	正常	0.32

表2 115 ℃下PBT/PC与PETG证件的性能

Tab.2 Performance of the card prepared by PBT/PC and PETG at 115 ℃

时间/s	表观	剥离强度/N·mm^-1
15	正常	0.22
20	正常	0.28
25	正常	0.30
30	正常	0.38
35	正常	0.50

表3 125 ℃下PBT/PC与PETG证件的性能

Tab.3 Performance of the card prepared by PBT/PC and PETG at 125 ℃

时间/s	表观	剥离强度/N·mm^-1
15	正常	0.81
20	正常	1.09
25	变形	1.26
30	变形	1.38
35	变形	1.56

表4 135 ℃下PBT/PC与PETG证件的性能

Tab.4 Performance of the card prepared by PBT/PC and PETG at 135 ℃

图5 PBT/PC合金薄膜材料与PETG卡基层压后证件整体表观图

Fig.5 Photo of card prepared by laminating of PBT/PC film and PETG matrix

图6 PBT/PC合金薄膜材料与PETG卡基层压后证件局部表观图

Fig.6 Photo for part of the cards prepared by laminating of PBT/PC film and PETG matrix

图7 PBT/PC合金薄膜材料与PETG卡基层压后证件横断面的SEM照片

Fig.7 SEM of section of the card prepared by laminating of PBT/PC film and PETG matrix

样品编号	弯曲测试	扭曲测试
1^#	无开裂	无开裂
2^#	无开裂	无开裂
3^#	无开裂	无开裂

表5 PBT/PC证件弯扭测试（1 000次）

Tab.5 Bending and torsion testing for the cards prepared by laminating of PBT/PC film and PETG matrix(1 000 times)

图8 PBT/PC合金薄膜材料与PETG卡基层压证件老化100 h后表观图片

Fig.8 Photo of the cards prepared by laminating of PBT/PC film and PETG matrix after aging 100 h

样品编号	弯曲测试	扭曲测试
1^#	无开裂	无开裂
2^#	无开裂	无开裂
3^#	无开裂	无开裂

表6 PBT/PC证件老化后弯扭测试（1 000次）

Tab.6 Bending and torsion testing for the cards after aging

样品编号	电性能
1^#	无开裂
2^#	无开裂
3^#	无开裂

表7 PBT/PC证件老化后电性能应答测试

Tab.7 Electrical response testing of the cards after aging

宽度/mm	高度/mm	厚度/mm	翘曲/mm
85.47~85.72	53.92~54.03	0.68~0.84	<1.5

表8 标准卡尺寸稳定性范围

Tab.8 Scope of dimensional stability for standard cards

测试条件	编号	宽度/mm	高度/mm	厚度/mm	翘曲/mm
常温	1	85.61	53.98	0.77	<1.5
常温	2	85.62	53.99	0.78	<1.5
A	1	85.61	53.98	0.77	<1.5
A	2	85.62	53.99	0.78	<1.5
B	1	85.61	53.99	0.78	<1.5
B	2	85.62	53.98	0.77	<1.5

表9 证件尺寸稳定性

Tab.9 Dimensional stability of the cards

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PBT/PC材料在证件制作中的应用研究

Study on Application of PBT/PC Film in Document Manufacturing

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