CN116695448A - 一种带有可变图案的光致变色多彩水性绒面超纤革 - Google Patents

一种带有可变图案的光致变色多彩水性绒面超纤革 Download PDF

Info

Publication number
CN116695448A
CN116695448A CN202310661439.8A CN202310661439A CN116695448A CN 116695448 A CN116695448 A CN 116695448A CN 202310661439 A CN202310661439 A CN 202310661439A CN 116695448 A CN116695448 A CN 116695448A
Authority
CN
China
Prior art keywords
photochromic
microfiber leather
water
suede microfiber
color
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.)
Pending
Application number
CN202310661439.8A
Other languages
English (en)
Inventor
庄君新
杨龙
宁继鑫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mingxin Xuteng Jiangsu Innovation Research Institute Co ltd
Mingxin Menorca Jiangsu New Materials Co ltd
Original Assignee
Mingxin Xuteng Jiangsu Innovation Research Institute Co ltd
Mingxin Menorca Jiangsu New Materials Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mingxin Xuteng Jiangsu Innovation Research Institute Co ltd, Mingxin Menorca Jiangsu New Materials Co ltd filed Critical Mingxin Xuteng Jiangsu Innovation Research Institute Co ltd
Priority to CN202310661439.8A priority Critical patent/CN116695448A/zh
Publication of CN116695448A publication Critical patent/CN116695448A/zh
Pending legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06CFINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C11/00Teasing, napping or otherwise roughening or raising pile of textile fabrics
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/32Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/36Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/38Oxides or hydroxides of elements of Groups 1 or 11 of the Periodic Table
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/184Carboxylic acids; Anhydrides, halides or salts thereof
    • D06M13/192Polycarboxylic acids; Anhydrides, halides or salts thereof
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/184Carboxylic acids; Anhydrides, halides or salts thereof
    • D06M13/207Substituted carboxylic acids, e.g. by hydroxy or keto groups; Anhydrides, halides or salts thereof
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/564Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06PDYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/004Dyeing with phototropic dyes; Obtaining camouflage effects
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06PDYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/52General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
    • D06P1/5264Macromolecular compounds obtained otherwise than by reactions involving only unsaturated carbon-to-carbon bonds
    • D06P1/5285Polyurethanes; Polyurea; Polyguanides
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product
    • Y02P70/62Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Coloring (AREA)
  • Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)

Abstract

本发明涉及水性绒面超纤制革领域,公开了一种带有可变图案的光致变色多彩水性绒面超纤革,包括选择合适密度的无纺布,含浸水性聚氨酯分散液,碱减量,染色,磨毛,印刷光致变色图案,风揉,即可得带有可变图案的光致变色多彩水性绒面超纤革。本发明制得的一种带有可变图案的光致变色多彩水性绒面超纤革能够在原有水性绒面超纤革的单一颜色的基础上在光照条件下呈现特定图案的多种颜色的变化,不仅环保、无毒,还增加了水性绒面超纤革的风格多样化,使其应用范围更加广泛。

Description

一种带有可变图案的光致变色多彩水性绒面超纤革
技术领域
本发明涉及水性绒面超纤制革领域,更具体地说,它涉及一种带有可变图案的光致变色多彩水性绒面超纤革。
背景技术
传统皮革制品多以真皮为主,不同于PVC革、PU革,真皮具有良好的透气性,饱满的手感,易清洁等诸多优点在汽车内饰以及生活、家居方面一直受到追捧,然而真皮制作过程中产生大量的废水,严重污染环境,并且真皮容易发霉产生异味,因此绒面超纤革应运而生,绒面超纤革不仅在结构上酷似真皮,还具有真皮的良好透气性以及优异的手感,此外绒面超纤革在物性方面还具有优于真皮的耐化学腐蚀、防霉、耐磨等特性。
水性绒面超纤革以海岛结构的无纺布含浸环保的水性树脂作为基材,通过后续减量染色磨毛等工序制作的水性绒面超纤革不仅具有良好绒感与手感,还具有优良的物性,与油性绒面超纤革不同,其生产过程中无DMF,甲苯等有害溶剂排放,是一种新型的环保绒面超纤革。目前市场上的绒面超纤革,风格比较单一,表面通常为一种颜色,缺少表面风格变化,制作简单,风格多样化的绒面超纤革成为了市场所追寻的趋势,然而此方面的研究较少。
发明内容
为了解决上述技术问题,本发明提供一种带有可变图案的光致变色多彩水性绒面超纤革。
一种带有可变图案的光致变色多彩水性绒面超纤革,由下述步骤制备:
S1:选择合适密度的无纺布;
S2:将无纺布用水性聚氨酯分散液含浸,然后用酸凝固,水洗后烘干;
S3:将含浸水性聚氨酯后的无纺布减量开纤,水洗后烘干;
S4:将减量开纤后的无纺布染色;
S5:将染色后的无纺布磨毛起绒,水洗去除浮毛,烘干;
S6:配制光致变色浆料,印刷图案,烘干;
S7:用风揉机风揉。
优选的:无纺布为克重在330~350g/m2的无纺布。
优选的:凝固用的酸为柠檬酸、草酸的一种或者两种混合。
优选的:印刷图案的方式为印刷机印刷。
优选的:光致变色浆料配比如下:
优选的:光致变色浆的添加比例为2%-20%。
优选的:光致变色浆为太阳光变色。
优选的:印刷的上浆量为80-200g/m2
本发明的有益效果在于:本发明提供了一种带有可变图案的光致变色多彩水性绒面超纤革,本发明制得的带有可变图案的光致变色多彩水性绒面超纤革表面图案可随光照变化发生变化,并且具有环保、高物性的特点。
附图说明
图1是本发明提出的一种带有可变图案的光致变色多彩水性绒面超纤革实施例2提供的扫描电镜图;
图2是本发明提出的一种带有可变图案的光致变色多彩水性绒面超纤革实施例2提供的氙灯光照图。
具体实施方式
现在将参考示例实施方式讨论本文描述的主题。应该理解,讨论这些实施方式是为了使得本领域技术人员能够更好地理解从而实现本文描述的主题。可以在不脱离本说明书内容的保护范围的情况下,对所讨论的元素的功能和排列进行改变。各个示例可以根据需要,省略、替代或者添加各种过程或组件。另外,相对一些示例所描述的特征在其他例子中也可以进行组合。
下述实施例中所述试验方法或测试方法,如无特殊说明,均为常规方法;所述试剂和材料,如无特殊说明,均从常规商业途径获得,或以常规方法制备。
实施例1
在本实施例中提出了一种带有可变图案的光致变色多彩水性绒面超纤革,该超纤革由下述步骤制备:
S1:选择克重在330g/m2的无纺布;
S2:将无纺布用水性聚氨酯分散液含浸,带液量为150%,然后用10%的柠檬酸凝固,水洗为中性后,在90-100-110-120-140-150℃烘箱中烘干;
S3:用1%的NaOH溶液将含浸水性聚氨酯后的无纺布减量开纤,水洗为中性后,在90-100-110-120-140-150℃烘箱中烘干;
S4:将减量后的无纺布染色,90-100-110-120-140-150℃烘干;
S5:将染色后的无纺布磨毛起绒,水洗去除浮毛,90-100-110-120-140-150℃烘干,即可得水性绒面超纤革半成品;;
S6:将光致变色浆料按如下配方配制成印刷浆:
使用印刷机将光致变色浆料印刷在水性绒面超纤革半成品表面,上浆量为80g/m2,将表面自然晾干后,90-100-110-120-140-150℃进行完全固化烘干;
S7:用风揉机风揉30分钟
在本实施例中提供的一种带有可变图案的光致变色多彩水性绒面超纤革,表面印刷均匀,颜色响应迅速,磨耗达到4级,可耐60℃水洗,氙灯光照5个周期后仍光变效果存在。
实施例2
在本实施例中提出了一种带有可变图案的光致变色多彩水性绒面超纤革,该超纤革由下述步骤制备:
S1:选择克重在340g/m2的无纺布;
S2:将无纺布用水性聚氨酯分散液含浸,带液量为180%,然后用6%的草酸凝固,水洗为中性后,在90-100-110-120-140-150℃烘箱中烘干;
S3:用1%的NaOH溶液将含浸水性聚氨酯后的无纺布减量开纤,水洗为中性后,在90-100-110-120-140-150℃烘箱中烘干;
S4:将减量后的无纺布染色,90-100-110-120-140-150℃烘干;
S5:将染色后的无纺布磨毛起绒,水洗去除浮毛,90-100-110-120-140-150℃烘干,即可得水性绒面超纤革半成品;;
S6:将光致变色浆料按如下配方配制成印刷浆:
使用印刷机将光致变色浆料印刷在水性绒面超纤革半成品表面,上浆量为150g/m2,将表面自然晾干后,90-100-110-120-140-150℃进行完全固化烘干;
S7:用风揉机风揉30分钟
在本实施例中提供的一种带有可变图案的光致变色多彩水性绒面超纤革,表面印刷均匀,颜色响应迅速,磨耗达到4级,可耐60℃水洗,氙灯光照5个周期后仍光变效果存在。
实施例3
(在本实施例中提出了一种带有可变图案的光致变色多彩水性绒面超纤革,该超纤革由下述步骤制备:
S1:选择克重在340g/m2的无纺布;
S2:将无纺布用水性聚氨酯分散液含浸,带液量为200%,然后用3%的柠檬酸和3%草酸混合液凝固,水洗为中性后,在90-100-110-120-140-150℃烘箱中烘干;
S3:用1%的NaOH溶液将含浸水性聚氨酯后的无纺布减量开纤,水洗为中性后,在90-100-110-120-140-150℃烘箱中烘干;
S4:将减量后的无纺布染色,90-100-110-120-140-150℃烘干;
S5:将染色后的无纺布磨毛起绒,水洗去除浮毛,90-100-110-120-140-150℃烘干,即可得水性绒面超纤革半成品;
S6:将光致变色浆料按如下配方配制成印刷浆:
使用印刷机将光致变色浆料印刷在水性绒面超纤革半成品表面,上浆量为150g/m2,将表面自然晾干后,90-100-110-120-140-150℃进行完全固化烘干;
S7:用风揉机风揉30分钟
在本实施例中提供的一种带有可变图案的光致变色多彩水性绒面超纤革,表面印刷均匀,颜色响应迅速,磨耗达到4级,可耐60℃水洗,氙灯光照5个周期后仍光变效果存在。
上面结合附图对本实施例的实施例进行了描述,但是本实施例并不局限于上述的具体实施方式,上述的具体实施方式仅仅是示意性的,而不是限制性的,本领域的普通技术人员在本实施例的启示下,在不脱离本实施例宗旨和权利要求所保护的范围情况下,还可做出很多形式,均属于本实施例的保护之内。

Claims (8)

1.一种带有可变图案的光致变色多彩水性绒面超纤革,其特征在于,由下述步骤制备:
S1:选择合适密度的无纺布;
S2:将无纺布用水性聚氨酯分散液含浸,然后用酸凝固,水洗后烘干;
S3:将含浸水性聚氨酯后的无纺布减量开纤,水洗后烘干;
S4:将减量开纤后的无纺布染色;
S5:将染色后的无纺布磨毛起绒,水洗去除浮毛,烘干;
S6:配制光致变色浆料,印刷图案,烘干;
S7:用风揉机风揉。
2.根据权利要求1所述的一种带有可变图案的光致变色多彩水性绒面超纤革,其特征在于,步骤S1中,所述无纺布为克重在330~350g/m2的无纺布。
3.根据权利要求1所述的一种带有可变图案的光致变色多彩水性绒面超纤革,其特征在于,步骤S2中,所述凝固用的酸为柠檬酸、草酸的一种或者两种混合。
4.根据权利要求1所述的一种带有可变图案的光致变色多彩水性绒面超纤革,其特征在于,在步骤S7中,所述印刷图案的方式为印刷机印刷。
5.根据权利要求1所述的一种带有可变图案的光致变色多彩水性绒面超纤革,其特征在于,在步骤S7中,光致变色浆料配比如下:
6.根据权利要求1所述的一种带有可变图案的光致变色多彩水性绒面超纤革,其特征在于,在步骤S7中,所述光致变色浆的添加比例为2%-20%。
7.根据权利要求1所述的一种带有可变图案的光致变色多彩水性绒面超纤革,其特征在于,在步骤S7中,所述光致变色浆为太阳光变色。
8.根据权利要求1所述的一种带有可变图案的光致变色多彩水性绒面超纤革,其特征在于,在步骤S7中,所述印刷图案的上浆量为80-200g/m2
CN202310661439.8A 2023-06-06 2023-06-06 一种带有可变图案的光致变色多彩水性绒面超纤革 Pending CN116695448A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310661439.8A CN116695448A (zh) 2023-06-06 2023-06-06 一种带有可变图案的光致变色多彩水性绒面超纤革

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310661439.8A CN116695448A (zh) 2023-06-06 2023-06-06 一种带有可变图案的光致变色多彩水性绒面超纤革

Publications (1)

Publication Number Publication Date
CN116695448A true CN116695448A (zh) 2023-09-05

Family

ID=87842717

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310661439.8A Pending CN116695448A (zh) 2023-06-06 2023-06-06 一种带有可变图案的光致变色多彩水性绒面超纤革

Country Status (1)

Country Link
CN (1) CN116695448A (zh)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1594600A (zh) * 2004-06-30 2005-03-16 胡茜茜 一种表面颜色可变化的皮革及其制造工艺
CN2704592Y (zh) * 2004-06-30 2005-06-15 胡茜茜 一种表面颜色可变化的皮革
CN201665043U (zh) * 2010-01-04 2010-12-08 刘镜波 紫外线感光变色皮革
CN203901839U (zh) * 2014-01-20 2014-10-29 晋江市永建皮革制品有限公司 可变色图案皮革
CN106223058A (zh) * 2016-08-29 2016-12-14 福建华阳超纤有限公司 一种耐光老化及耐磨的水性绒面超纤革的制作方法
CN206217274U (zh) * 2016-10-25 2017-06-06 霍强 感光变色皮革

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1594600A (zh) * 2004-06-30 2005-03-16 胡茜茜 一种表面颜色可变化的皮革及其制造工艺
CN2704592Y (zh) * 2004-06-30 2005-06-15 胡茜茜 一种表面颜色可变化的皮革
CN201665043U (zh) * 2010-01-04 2010-12-08 刘镜波 紫外线感光变色皮革
CN203901839U (zh) * 2014-01-20 2014-10-29 晋江市永建皮革制品有限公司 可变色图案皮革
CN106223058A (zh) * 2016-08-29 2016-12-14 福建华阳超纤有限公司 一种耐光老化及耐磨的水性绒面超纤革的制作方法
CN206217274U (zh) * 2016-10-25 2017-06-06 霍强 感光变色皮革

Similar Documents

Publication Publication Date Title
CN1083914C (zh) 皮革状片材
CN101629387B (zh) 一种超细纤维针织布合成革及其制造方法
CN102797167B (zh) 具有定向绒毛效果的超纤绒面革的制备方法
CN102776602A (zh) 定岛超细纤维、定岛超细纤维合成革基布、服饰用绒面革、服饰用光面合成革及其制造方法
CN104975515A (zh) 一种可变色的人造革及其制备方法和变色方法
CN113622201B (zh) 一种具有高吸湿透气性的聚氨酯合成革及其制备方法
CN102021837B (zh) 一种超细纤维合成革、其制备方法及一种印刷料组合物
CN116695448A (zh) 一种带有可变图案的光致变色多彩水性绒面超纤革
CN106544909A (zh) 一种羊绒织物数码印花前处理浆和印花工艺
CN109203624A (zh) 一种全涤植绒面料及其生产工艺
CN103046405B (zh) 一种洗褪浆料及制作仿色织洗褪面料的方法
MXPA05007465A (es) Piel de gamuza sintetica estampada y un proceso para preparar la misma.
CN104278589B (zh) 一种抗皱印花拉绒布的加工方法
CN203807860U (zh) 一种防水透湿格栅印花织物
JPH11158782A (ja) 皮革様シート
KR101936365B1 (ko) 마이그레이션이 우수한 수성 수지 스웨이드 제조방법 및 그 수성 수지 스웨이드
CN113622190A (zh) 一种服装用仿真皮彩色功能纱线及其制备方法
CN114182538B (zh) 一种合成革及其制备方法
Ramratan et al. Study of denim jeans fabric on finishing process and characteristic performances
KR101293042B1 (ko) 이염방지성 및 유연성이 우수한 합성피혁의 제조방법.
JPH06264370A (ja) 意匠外観の優れたヌバック調人工皮革
JPH06238858A (ja) 装飾シート、衣料および装飾シートの製造法
KR101582402B1 (ko) 웨트 페이스 가공방법
CN115613374A (zh) 具有色彩变化效果的织物及其洗水方法、应用
KR20100035499A (ko) 인조피혁표면가공방법 및 상기 방법으로 가공된 표면을 갖는 인조피혁

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination