CN100554322C - 具有光角变色效果的防伪膜的制备方法 - Google Patents
具有光角变色效果的防伪膜的制备方法 Download PDFInfo
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- CN100554322C CN100554322C CNB2007100381643A CN200710038164A CN100554322C CN 100554322 C CN100554322 C CN 100554322C CN B2007100381643 A CNB2007100381643 A CN B2007100381643A CN 200710038164 A CN200710038164 A CN 200710038164A CN 100554322 C CN100554322 C CN 100554322C
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- reactive monomer
- organic solvent
- polyimide
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CNB2007100381643A CN100554322C (zh) | 2007-03-16 | 2007-03-16 | 具有光角变色效果的防伪膜的制备方法 |
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CNB2007100381643A CN100554322C (zh) | 2007-03-16 | 2007-03-16 | 具有光角变色效果的防伪膜的制备方法 |
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CN101033302A CN101033302A (zh) | 2007-09-12 |
CN100554322C true CN100554322C (zh) | 2009-10-28 |
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CNB2007100381643A Active CN100554322C (zh) | 2007-03-16 | 2007-03-16 | 具有光角变色效果的防伪膜的制备方法 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101417564B (zh) * | 2008-10-23 | 2011-02-02 | 上海复旦天臣新技术有限公司 | 具有双变色图文的防伪薄膜及其制备方法 |
WO2011069691A1 (en) * | 2009-12-08 | 2011-06-16 | Sicpa Holding Sa | Marking based on chiral liquid crystal polymers |
CN115536889B (zh) * | 2022-10-26 | 2024-08-27 | 常州山由帝杉防护材料制造有限公司 | 一种光感异色抗菌膜、制备方法及应用 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: SHANGHAI TECHSUN RADIO FREQUENCY TECHNOLOGY CO., L Free format text: FORMER NAME: TIANCHEN PHOTOSENSITIVE MATERIAL CO., LTD., FUDAN UNIV. SHANGHAI |
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CP01 | Change in the name or title of a patent holder |
Address after: 5, building 1, building 127, Lane 200433, Cathay Road, Yangpu District, Shanghai Patentee after: Shanghai Tianchen Radiofrequency Technology Co.,Ltd. Address before: 5, building 1, building 127, Lane 200433, Cathay Road, Yangpu District, Shanghai Patentee before: Tianchen Photosensitive Material Co., Ltd., Fudan Univ. Shanghai |
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C56 | Change in the name or address of the patentee | ||
CP02 | Change in the address of a patent holder |
Address after: 201614, room 4, building 509, Guanghua Road, little Kunshan Town, Shanghai, Songjiang District, 301 Patentee after: Shanghai Tianchen Radiofrequency Technology Co.,Ltd. Address before: 5, building 1, building 127, Lane 200433, Cathay Road, Yangpu District, Shanghai Patentee before: Shanghai Tianchen Radiofrequency Technology Co.,Ltd. |