CN1227309C - 纳米透明耐磨复合涂料 - Google Patents
纳米透明耐磨复合涂料 Download PDFInfo
- Publication number
- CN1227309C CN1227309C CN200410013860.5A CN200410013860A CN1227309C CN 1227309 C CN1227309 C CN 1227309C CN 200410013860 A CN200410013860 A CN 200410013860A CN 1227309 C CN1227309 C CN 1227309C
- Authority
- CN
- China
- Prior art keywords
- powder
- agent
- aluminium sesquioxide
- transparent wear
- nano
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000576 coating method Methods 0.000 title claims abstract description 67
- 239000011248 coating agent Substances 0.000 title claims abstract description 49
- 239000002131 composite material Substances 0.000 title claims abstract description 16
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 37
- 239000011858 nanopowder Substances 0.000 claims abstract description 36
- 239000011347 resin Substances 0.000 claims abstract description 27
- 229920005989 resin Polymers 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000002904 solvent Substances 0.000 claims abstract description 13
- 239000003085 diluting agent Substances 0.000 claims abstract description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 67
- 150000001875 compounds Chemical class 0.000 claims description 22
- 239000000203 mixture Substances 0.000 claims description 15
- 239000006185 dispersion Substances 0.000 claims description 14
- 239000002270 dispersing agent Substances 0.000 claims description 13
- 239000000654 additive Substances 0.000 claims description 11
- 230000000996 additive effect Effects 0.000 claims description 11
- 239000013530 defoamer Substances 0.000 claims description 11
- 238000009736 wetting Methods 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 10
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 8
- 229920002521 macromolecule Polymers 0.000 claims description 8
- 239000004814 polyurethane Substances 0.000 claims description 7
- 229920000178 Acrylic resin Polymers 0.000 claims description 6
- 239000004925 Acrylic resin Substances 0.000 claims description 6
- -1 aromatic isocyanate Chemical class 0.000 claims description 6
- 229920000728 polyester Polymers 0.000 claims description 6
- 229920002635 polyurethane Polymers 0.000 claims description 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 5
- 229920001225 polyester resin Polymers 0.000 claims description 5
- 239000004645 polyester resin Substances 0.000 claims description 5
- 229920001296 polysiloxane Polymers 0.000 claims description 5
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 4
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims description 4
- 239000004593 Epoxy Substances 0.000 claims description 4
- 238000012986 modification Methods 0.000 claims description 4
- 230000004048 modification Effects 0.000 claims description 4
- 229920000058 polyacrylate Polymers 0.000 claims description 4
- 150000003839 salts Chemical class 0.000 claims description 4
- 235000021355 Stearic acid Nutrition 0.000 claims description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 3
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 229920005749 polyurethane resin Polymers 0.000 claims description 3
- 239000008117 stearic acid Substances 0.000 claims description 3
- 239000005057 Hexamethylene diisocyanate Substances 0.000 claims description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- 229920006243 acrylic copolymer Polymers 0.000 claims description 2
- 229940043232 butyl acetate Drugs 0.000 claims description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 claims description 2
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 claims description 2
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 claims description 2
- 230000002209 hydrophobic effect Effects 0.000 claims description 2
- 239000012948 isocyanate Substances 0.000 claims description 2
- 239000002480 mineral oil Substances 0.000 claims description 2
- 235000010446 mineral oil Nutrition 0.000 claims description 2
- 239000004848 polyfunctional curative Substances 0.000 claims description 2
- 150000003544 thiamines Chemical class 0.000 claims description 2
- 239000013638 trimer Substances 0.000 claims description 2
- 239000003973 paint Substances 0.000 abstract description 10
- 230000032683 aging Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 3
- 239000002023 wood Substances 0.000 abstract description 3
- 239000012752 auxiliary agent Substances 0.000 abstract 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 abstract 2
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 239000011521 glass Substances 0.000 description 7
- 239000007788 liquid Substances 0.000 description 5
- 239000002114 nanocomposite Substances 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 230000004580 weight loss Effects 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 238000009775 high-speed stirring Methods 0.000 description 3
- 239000012046 mixed solvent Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 229910052593 corundum Inorganic materials 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 229910001845 yogo sapphire Inorganic materials 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 229920000180 alkyd Polymers 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- OBRFDYFBYVYASO-UHFFFAOYSA-N butyl 2-methyl-2-phenylpropanoate Chemical compound CCCCOC(=O)C(C)(C)C1=CC=CC=C1 OBRFDYFBYVYASO-UHFFFAOYSA-N 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011527 polyurethane coating Substances 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- DCKVNWZUADLDEH-UHFFFAOYSA-N sec-butyl acetate Chemical class CCC(C)OC(C)=O DCKVNWZUADLDEH-UHFFFAOYSA-N 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
Abstract
Description
重量比 | 例1 | 例2 | 例3 | 例4 |
成份甲组份:羟基丙稀酸树脂(FX3060)饱和羟基聚酯树脂(PE8043)环氧树脂(E-44)醇酸树脂(3880)三氧化二铝(Oxide C)润湿分散剂(902)流平剂(810)消泡剂(5300)二甲苯乙酸丁酯乙组份:固化剂190(固含量90%)固化剂740(固含量40%) | 501012.70.36413 | 458.520.20.38618 | 409.510.20.385 | 459.520.20.385 |
聚酰胺65PU固化剂775乙酸丁酯 | 13 | 12 | 2511 | 255 |
成份 重量比 | 例1 | 例2 | 例3 | 例4 |
水性聚氨酯树脂水性硅丙树脂三氧化二铝纳米粉体(Oxide C)分散剂(DP-518)流平剂(802)消泡剂(082)去离子水 | 204.510.20.374 | 159.510.20.374 | 1112.510.30.275 | 252.510.30.271 |
检验项目 | 指标 | 检验结果 | 参照标准 |
原漆外观 | 半透明乳白液体 | ||
粘度(涂-4杯)(s) | 15~25 | 23 | GB/T1723-93 |
固体含量(%)≥ | 10 | 45 | GB/T6751-86 |
附着力,级(划圈法) ≤ | 2 | 0~1 | GB/9286-88 |
耐水性(浸24h) | 不起泡不脱落,允许轻微发白 | 无变化 | GB/T1733-93 |
柔韧性(mm) | 2 | 1 | GB/T1731-93 |
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200410013860.5A CN1227309C (zh) | 2004-01-09 | 2004-01-09 | 纳米透明耐磨复合涂料 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200410013860.5A CN1227309C (zh) | 2004-01-09 | 2004-01-09 | 纳米透明耐磨复合涂料 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1556162A CN1556162A (zh) | 2004-12-22 |
CN1227309C true CN1227309C (zh) | 2005-11-16 |
Family
ID=34351131
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200410013860.5A Expired - Fee Related CN1227309C (zh) | 2004-01-09 | 2004-01-09 | 纳米透明耐磨复合涂料 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN1227309C (zh) |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100463935C (zh) * | 2005-08-17 | 2009-02-25 | 长春迪高实业有限公司 | 阳光控制低辐射透明薄膜及其制备方法和用途 |
CN100392032C (zh) * | 2006-01-27 | 2008-06-04 | 华南理工大学 | 纳米复合水性仿幕墙外墙涂料的制备方法 |
CN101298535B (zh) * | 2008-06-25 | 2010-06-09 | 天津中油渤星工程科技股份有限公司 | 耐候性环氧聚氨酯防腐蚀涂料及制造方法 |
CN101722138B (zh) * | 2008-10-17 | 2013-12-18 | 比亚迪股份有限公司 | 一种镜面不锈钢的制备方法 |
CN101525439B (zh) * | 2008-12-31 | 2012-06-27 | 上海康达化工新材料股份有限公司 | 一种用于风力发电叶片结构胶的改性环氧树脂及制备方法 |
EP2228414A1 (en) | 2009-03-13 | 2010-09-15 | Bayer MaterialScience AG | UV-curable, wear resistant and antistatic coating filled with carbon nanotubes |
CN101845268B (zh) * | 2010-05-21 | 2012-08-22 | 上海市建筑科学研究院(集团)有限公司 | 一种水性单组分玻璃透明隔热涂料的制备方法 |
CN102153931B (zh) * | 2011-05-27 | 2013-04-10 | 广东德康化工实业有限公司 | 一种抗划耐磨涂料 |
CN102161852B (zh) * | 2011-05-30 | 2012-11-14 | 杭州立威化工涂料有限公司 | 塑胶钛材料专用漆 |
CN102952461B (zh) * | 2011-08-30 | 2016-03-02 | 上海展辰涂料有限公司 | 一种双组分水性白色木门漆 |
CN102661471A (zh) * | 2012-04-11 | 2012-09-12 | 上海乔治费歇尔亚大塑料管件制品有限公司 | 纳米复合耐磨、防腐涂层管件 |
CN103254718A (zh) * | 2013-05-31 | 2013-08-21 | 黄春 | 一种地板涂料 |
CN103305109B (zh) * | 2013-06-04 | 2015-12-23 | 彭文表 | 一种pu耐磨涂料 |
CN103694867A (zh) * | 2013-11-29 | 2014-04-02 | 蚌埠市正园电子科技有限公司 | 一种耐火耐候金属防护绝缘漆 |
CN104725951A (zh) * | 2013-12-23 | 2015-06-24 | 惠州市绿孔雀科技有限公司 | 一种高硬度单组份水性涂料 |
CN104031521A (zh) * | 2013-12-25 | 2014-09-10 | 广西宾阳县荣良新材料科技有限公司 | 一种木材复合涂料 |
CN103740245A (zh) * | 2013-12-25 | 2014-04-23 | 苏州市邦成电子科技有限公司 | 一种金属保护用透明涂料及其制备方法 |
CN103881466A (zh) * | 2014-03-27 | 2014-06-25 | 东莞市奥百通纳米科技有限公司 | 可防眩光和降低光污染的纳米涂料助剂及其制备方法 |
CN104087132B (zh) * | 2014-07-27 | 2016-08-17 | 广西梧州龙鱼漆业有限公司 | 耐磨木器面漆 |
CN104149429A (zh) * | 2014-08-01 | 2014-11-19 | 苏州袭麟光电科技产业有限公司 | 一种抗紫外高透光聚酯薄膜及其制备方法 |
CN104356822B (zh) * | 2014-10-23 | 2018-10-02 | 安徽省金盾涂料有限责任公司 | 一种耐候自清洁涂料 |
CN104403457A (zh) * | 2014-12-13 | 2015-03-11 | 常熟市磊王合金工具有限公司 | 耐磨双刃金刚石刀具 |
CN104761940A (zh) * | 2015-03-25 | 2015-07-08 | 田福东 | 一种耐磨水性聚氨酯涂料 |
CN104817943A (zh) * | 2015-04-09 | 2015-08-05 | 田福东 | 一种双组分聚氨酯涂料 |
CN106318070A (zh) * | 2016-08-19 | 2017-01-11 | 浩力森涂料(上海)有限公司 | 提高钢制易拉罐底部耐磨抗划伤性能的水性丙烯酸烤漆 |
CN106905846A (zh) * | 2017-03-10 | 2017-06-30 | 安徽键合科技有限公司 | 一种汽车外表面环保保护材料及其制备方法 |
CN107267036A (zh) * | 2017-06-30 | 2017-10-20 | 天长市巨龙车船涂料有限公司 | 一种高光泽水性涂料 |
CN110066581A (zh) * | 2017-11-01 | 2019-07-30 | 丹阳西联生物技术有限公司 | 一种耐磨搅拌桨叶涂层 |
CN108250920A (zh) * | 2018-01-17 | 2018-07-06 | 深圳市娅安科技有限公司 | 一种耐磨汽车涂料及其制备方法和应用 |
CN110484073A (zh) * | 2018-05-15 | 2019-11-22 | 湖北文理学院 | 一种聚丙烯内墙防水涂料及其制备方法 |
CN109321085A (zh) * | 2018-09-14 | 2019-02-12 | 浙江万华不锈钢有限公司 | 无磁软质不锈钢及其处理方法 |
CN109306229A (zh) * | 2018-09-30 | 2019-02-05 | 广东皇田环保科技有限公司 | 一种耐磨负离子表面涂料及其制备方法和使用方法 |
CN109772668A (zh) * | 2018-12-29 | 2019-05-21 | 安徽鑫铂铝业股份有限公司 | 一种高性能色选机米道用铝型材 |
CN111073419A (zh) * | 2019-12-19 | 2020-04-28 | 湖南太子化工涂料有限公司 | 一种金属底材用环保耐磨涂料及其制备方法 |
CN112946920A (zh) * | 2021-01-29 | 2021-06-11 | 深圳市宏海福新材料有限公司 | 一种耐磨防雾易洁树脂眼镜镜片及其制作方法 |
CN116023838A (zh) * | 2021-10-26 | 2023-04-28 | 中国石油化工股份有限公司 | 一种低摩擦耐磨损环氧树脂基复合涂层及其制备方法 |
CN116082946A (zh) * | 2021-11-08 | 2023-05-09 | 西安立远新材料科技开发有限公司 | 一种航空器用有机玻璃透明件保护涂料及其制备方法 |
CN115851054A (zh) * | 2022-11-29 | 2023-03-28 | 湖北华强科技股份有限公司 | 一种膜材表面耐刮擦涂层的制备方法 |
-
2004
- 2004-01-09 CN CN200410013860.5A patent/CN1227309C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1556162A (zh) | 2004-12-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1227309C (zh) | 纳米透明耐磨复合涂料 | |
CN101006141B (zh) | 改进的颜料间距 | |
KR960014754B1 (ko) | 피복 조성물 | |
CN102108246A (zh) | 一种双组分聚氨酯水性涂料 | |
CN105820737B (zh) | 一种性能优异的汽车用水性双组份中涂漆及其制备方法 | |
CN102443330B (zh) | 一种涂层材料及其制备方法 | |
CN104177951B (zh) | 防眩光涂料组合物及其制备和用途 | |
EP2147157A1 (de) | Verschleissschutzschicht | |
CN110607119A (zh) | 石墨烯改性双组份水性聚氨酯防腐涂料及其制备方法 | |
CN1073703A (zh) | 含水的涂层制剂及其制法和用于制作腻子层 | |
CN102206451A (zh) | 一种灯罩涂料及其制备方法 | |
CN109627931B (zh) | 户外银色粉末涂料及其制备方法 | |
CN110698971A (zh) | 一种水性uv耐脏污自清洁涂料及其制备方法、应用 | |
CN101475763B (zh) | 一种在罩光油上印刷的油墨及其制备方法 | |
CN1186414C (zh) | 高耐刮性纳米复合聚氨酯涂料的制备方法 | |
CN1208411C (zh) | 聚合物/无机复合纳米粉体的汽车面漆及其制备方法 | |
CN1219003C (zh) | 一种环氧改性腻子 | |
DE10248799B4 (de) | Partikel enthaltende Beschichtungszusammensetzung und Verfahren zur Beschichtung von Oberflächen | |
CN101029198A (zh) | 水性聚丙烯酸酯复合涂料 | |
CN103865377A (zh) | 一种水性丙烯酸聚氨酯有机硅涂料 | |
CN110982387B (zh) | 一种在金属底材表面具有良好附着力与防腐性的水性环氧涂料及制备方法 | |
CN1648186A (zh) | 一种具有随角异色效果金属面漆及其制备方法 | |
CN1884406A (zh) | 用于卷材涂料的纳米功能粉体分散液的制备方法 | |
CN1101841C (zh) | 硅酸盐复合防污涂料 | |
CN110066583A (zh) | 改性醇酸树脂涂料及其制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: JIANGSU CHENGUANG PAINT CO.,LTD. Assignor: Nanjing Tech University Contract fulfillment period: 2005.12.30 to 2023.12.29 Contract record no.: 2008320000877 Denomination of invention: Nano transparent abrasion resistant composite paint Granted publication date: 20051116 License type: Exclusive license Record date: 20081013 |
|
LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2005.12.30 TO 2023.12.29; CHANGE OF CONTRACT Name of requester: JIANGSU CHENGUANG COATING CO., LTD. Effective date: 20081013 |
|
EC01 | Cancellation of recordation of patent licensing contract |
Assignee: JIANGSU CHENGUANG PAINT CO.,LTD. Assignor: Nanjing Tech University Contract record no.: 2008320000877 Date of cancellation: 20100415 |
|
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: BOILN PLASTICS CO.,LTD. Assignor: Nanjing Tech University Contract record no.: 2010320000567 Denomination of invention: Nano transparent abrasion resistant composite paint Granted publication date: 20051116 License type: Exclusive License Open date: 20041222 Record date: 20100510 |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051116 Termination date: 20150109 |
|
EXPY | Termination of patent right or utility model |