CN108727951A - 一种汽车配件的表面处理工艺 - Google Patents

一种汽车配件的表面处理工艺 Download PDF

Info

Publication number
CN108727951A
CN108727951A CN201810432908.8A CN201810432908A CN108727951A CN 108727951 A CN108727951 A CN 108727951A CN 201810432908 A CN201810432908 A CN 201810432908A CN 108727951 A CN108727951 A CN 108727951A
Authority
CN
China
Prior art keywords
auto parts
parts machinery
surface treatment
polyester resin
titanium
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
CN201810432908.8A
Other languages
English (en)
Inventor
张雪明
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.)
Suzhou Naisite Plastic Co Ltd
Original Assignee
Suzhou Naisite Plastic 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 Suzhou Naisite Plastic Co Ltd filed Critical Suzhou Naisite Plastic Co Ltd
Priority to CN201810432908.8A priority Critical patent/CN108727951A/zh
Publication of CN108727951A publication Critical patent/CN108727951A/zh
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D167/00Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
    • C09D167/06Unsaturated polyesters having carbon-to-carbon unsaturation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/10Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by other chemical means
    • B05D3/102Pretreatment of metallic substrates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/14Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/24Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/03Powdery paints
    • C09D5/031Powdery paints characterised by particle size or shape
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/03Powdery paints
    • C09D5/033Powdery paints characterised by the additives
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08Anti-corrosive paints
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/18Fireproof paints including high temperature resistant paints
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2508/00Polyesters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2601/00Inorganic fillers
    • B05D2601/20Inorganic fillers used for non-pigmentation effect
    • B05D2601/28Metals
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/02Elements
    • C08K3/08Metals
    • C08K2003/0856Iron
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/02Elements
    • C08K3/08Metals
    • C08K2003/0881Titanium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

本发明提供一种汽车配件的表面处理工艺,将汽车配件表面除锈、除氧化、除污、除渍预处理;将经处理后的汽车配件置于反应器中,不断通入温度为60‑80℃的含量为50‑70%的HF/N2混合蒸汽,流量为5‑10ml/min;持续反应30‑50min;制备粒径为0.1‑0.4μm的不饱和聚酯树脂/钛铁粉颗粒粉末,其中不饱和聚酯树脂的质量百分比为75‑85%;将经过处理的汽车配件包覆不饱和端羧基聚酯树脂/钛铁粉颗粒粉末;用超声冲击头冲击表面,超声频率范围为40‑80kHz,功率为15‑20KW,冲击反应8‑10min,完成对汽车配件的表面处理过程。

Description

一种汽车配件的表面处理工艺
技术领域
本发明涉及汽车配件处理技术领域,具体涉及一种汽车配件的表面处理工艺。
背景技术
汽车配件加工(auto spare parts)是构成汽车配件加工整体的各单元及服务于汽车配件加工的产品,随着汽车配件加工市场竞争的日趋激烈,生产工艺越加成熟,汽车的很多零部件需要表面处理,如金属制品,金属材质普遍存在腐蚀问题,腐蚀不仅影响外观的美观,还直接影响汽车的使用寿命,同时带来了环境的污染,事故的发生以及能源和材料的浪费。现有汽车配件表面存在强度低、机械性能不高、耐腐蚀、耐高温性能差等缺陷,
为了增强汽车配件材料的表面活性,或在材料表面形成化学惰性层,目前有等离子喷射或火焰灼烧等表面处理方法,但这些方法均存在以下缺陷:(1)对材料表面造成损伤,(2)处理的均匀性受材料表面 形状影响,尤其对一些具有复杂空间结构的三维工件处理效果不均 匀,(3)处理后的工件表面能量分布因工件壁厚变化而变化,(4)如转角、边缘线等表面易产生变形,影响产品外观质量,(5)需要特定夹持工具配合,降低了生产效率。
发明内容
本发明的目的是针对现有技术中汽车金属配件表面处理工艺的上述不足,提供一种新型的汽车配件的表面处理工艺,在不损伤配件表面的前提下,提高其机械强度、耐腐蚀、耐高温性能。
为达到上述目的,本发明采用的技术方案是:
一种汽车配件的表面处理工艺,包括如下步骤:
S1:将汽车配件表面除锈、除氧化、除污、除渍预处理;
S2:将步骤S1中经处理后的汽车配件置于反应器中,不断通入温度为60-80℃的含量为50-70%的HF/N2混合蒸汽,流量为5-10ml/min;持续反应30-50min;
S3:制备粒径为0.1-0.4μm的不饱和聚酯树脂/钛铁粉颗粒粉末,其中不饱和聚酯树脂的质量百分比为75-85%;
S4:将经过步骤S2处理的汽车配件包覆不饱和端羧基聚酯树脂/钛铁粉颗粒粉末;用超声冲击头冲击表面,超声频率范围为40-80kHz,功率为15-20KW,冲击反应8-10min,完成对汽车配件的表面处理过程。
优选的,步骤S2中所述HF/N2混合蒸汽的温度为75℃,HF的含量为65%。
优选的,步骤S2中所述HF/N2混合蒸汽的流量为8ml/min;持续反应45min。
优选的,步骤S3中所述不饱和聚酯树脂/钛铁粉颗粒粉末的粒径为0.2μm;不饱和聚酯树脂的质量百分比为80%。
优选的,步骤S4中所述超声频率范围为65kHz,功率为17KW,冲击反应9min。
上述任意一条所述表面处理工艺制备得到的汽车配件。
有益效果:
本发明所述一种汽车配件的表面处理工艺,将预处理后的汽车配件置于HF/N2混合蒸汽,蒸汽中的氟原子与汽车配件表面氢原子置换,在表面形成C-F键,表面附着性提高,优异的热稳定性和化学惰性,能耐盐类物质腐蚀,防渗性能好;通过汽车配件表面包覆颗粒粉末,由此形成与基体紧密相连的表面强化层,提高机械强度。
具体实施方式
以下结合下述实施方式进一步说明本发明,下述实施方式仅用于说明本发明,而非限制本发明。
实施例1
S1:将汽车配件表面除锈、除氧化、除污、除渍预处理;
S2:将步骤S1中经处理后的汽车配件置于反应器中,不断通入温度为60℃的含量为50%的HF/N2混合蒸汽,流量为5ml/min;持续反应30min;
S3:制备粒径为0.1μm的不饱和聚酯树脂/钛铁粉颗粒粉末,其中不饱和聚酯树脂的质量百分比为75%;
S4:将经过步骤S2处理的汽车配件包覆不饱和端羧基聚酯树脂/钛铁粉颗粒粉末;用超声冲击头冲击表面,超声频率范围为40kHz,功率为15KW,冲击反应8min,完成对汽车配件的表面处理过程。
表面张力≥50mN/m,耐压强度300MPa,经盐类物质腐蚀,表面完好,防渗性能好。
实施例2
S1:将汽车配件表面除锈、除氧化、除污、除渍预处理;
S2:将步骤S1中经处理后的汽车配件置于反应器中,不断通入温度为80℃的含量为70%的HF/N2混合蒸汽,流量为10ml/min;持续反应50min;
S3:制备粒径为0.4μm的不饱和聚酯树脂/钛铁粉颗粒粉末,其中不饱和聚酯树脂的质量百分比为85%;
S4:将经过步骤S2处理的汽车配件包覆不饱和端羧基聚酯树脂/钛铁粉颗粒粉末;用超声冲击头冲击表面,超声频率范围为80kHz,功率为20KW,冲击反应10min,完成对汽车配件的表面处理过程。
表面张力≥50mN/m,耐压强度350MPa,经盐类物质腐蚀,表面完好,防渗性能好。
实施例3
S1:将汽车配件表面除锈、除氧化、除污、除渍预处理;
S2:将步骤S1中经处理后的汽车配件置于反应器中,不断通入温度为65℃的含量为55%的HF/N2混合蒸汽,流量为6ml/min;持续反应35min;
S3:制备粒径为0.2μm的不饱和聚酯树脂/钛铁粉颗粒粉末,其中不饱和聚酯树脂的质量百分比为78%;
S4:将经过步骤S2处理的汽车配件包覆不饱和端羧基聚酯树脂/钛铁粉颗粒粉末;用超声冲击头冲击表面,超声频率范围为55kHz,功率为16KW,冲击反应9min,完成对汽车配件的表面处理过程。
表面张力≥50mN/m,耐压强度450MPa,经盐类物质腐蚀,表面完好,防渗性能好。
实施例4
S1:将汽车配件表面除锈、除氧化、除污、除渍预处理;
S2:将步骤S1中经处理后的汽车配件置于反应器中,不断通入温度为75℃的含量为65%的HF/N2混合蒸汽,流量为8ml/min;持续反应45min;
S3:制备粒径为0.4μm的不饱和聚酯树脂/钛铁粉颗粒粉末,其中不饱和聚酯树脂的质量百分比为83%;
S4:将经过步骤S2处理的汽车配件包覆不饱和端羧基聚酯树脂/钛铁粉颗粒粉末;用超声冲击头冲击表面,超声频率范围为70kHz,功率为18KW,冲击反应10min,完成对汽车配件的表面处理过程。
表面张力≥50mN/m,耐压强度420MPa,经盐类物质腐蚀,表面完好,防渗性能好。
实施例5
S1:将汽车配件表面除锈、除氧化、除污、除渍预处理;
S2:将步骤S1中经处理后的汽车配件置于反应器中,不断通入温度为75℃的含量为65%的HF/N2混合蒸汽,流量为8ml/min;持续反应45min;
S3:制备粒径为0.2μm的不饱和聚酯树脂/钛铁粉颗粒粉末,其中不饱和聚酯树脂的质量百分比为80%;
S4:将经过步骤S2处理的汽车配件包覆不饱和端羧基聚酯树脂/钛铁粉颗粒粉末;用超声冲击头冲击表面,超声频率范围为65kHz,功率为17KW,冲击反应9min,完成对汽车配件的表面处理过程。
表面张力≥50mN/m,耐压强度500MPa,经盐类物质腐蚀,表面完好,防渗性能好。
以上所述仅为本发明的较佳实施方式,本发明的保护范围并不以上述实施方式为限,但凡本领域普通技术人员根据本发明所揭示内容所作的等效修饰或变化,皆应纳入权利要求书中记载的保护范围内。

Claims (6)

1.一种汽车配件的表面处理工艺,其特征在于,包括如下步骤:
S1:将汽车配件表面除锈、除氧化、除污、除渍预处理;
S2:将步骤S1中经处理后的汽车配件置于反应器中,不断通入温度为60-80℃的含量为50-70%的HF/N2混合蒸汽,流量为5-10ml/min;持续反应30-50min;
S3:制备粒径为0.1-0.4μm的不饱和聚酯树脂/钛铁粉颗粒粉末,其中不饱和聚酯树脂的质量百分比为75-85%;
S4:将经过步骤S2处理的汽车配件包覆不饱和端羧基聚酯树脂/钛铁粉颗粒粉末;用超声冲击头冲击表面,超声频率范围为40-80kHz,功率为15-20KW,冲击反应8-10min,完成对汽车配件的表面处理过程。
2.根据权利要求1所述的一种汽车配件的表面处理工艺,其特征在于,步骤S2中所述HF/N2混合蒸汽的温度为75℃,HF的含量为65%。
3.根据权利要求1所述的一种汽车配件的表面处理工艺,其特征在于,步骤S2中所述HF/N2混合蒸汽的流量为8ml/min;持续反应45min。
4.根据权利要求1所述的一种汽车配件的表面处理工艺,其特征在于,步骤S3中所述不饱和聚酯树脂/钛铁粉颗粒粉末的粒径为0.2μm;不饱和聚酯树脂的质量百分比为80%。
5.根据权利要求1所述的一种汽车配件的表面处理工艺,其特征在于,步骤S4中所述超声频率范围为65kHz,功率为17KW,冲击反应9min。
6.根据权利要求1-5任意一条所述表面处理工艺制备得到的汽车配件。
CN201810432908.8A 2018-05-08 2018-05-08 一种汽车配件的表面处理工艺 Pending CN108727951A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810432908.8A CN108727951A (zh) 2018-05-08 2018-05-08 一种汽车配件的表面处理工艺

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810432908.8A CN108727951A (zh) 2018-05-08 2018-05-08 一种汽车配件的表面处理工艺

Publications (1)

Publication Number Publication Date
CN108727951A true CN108727951A (zh) 2018-11-02

Family

ID=63938007

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810432908.8A Pending CN108727951A (zh) 2018-05-08 2018-05-08 一种汽车配件的表面处理工艺

Country Status (1)

Country Link
CN (1) CN108727951A (zh)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1759150A (zh) * 2003-01-11 2006-04-12 坎梅陶尔股份有限公司 涂布金属表面的方法、涂料组合物及由其制备的涂层
CN102343759A (zh) * 2010-07-21 2012-02-08 菱田岩 金属产品表面的加工方法
CN102953023A (zh) * 2011-08-29 2013-03-06 中国石油化工股份有限公司 一种钛合金焊接接头的表面处理工艺
CN103451701A (zh) * 2012-05-28 2013-12-18 比亚迪股份有限公司 一种表面处理的金属及其表面处理的方法和金属树脂复合体及其制备方法
CN105038536A (zh) * 2015-08-21 2015-11-11 江阴远望离合器有限公司 一种汽车配件用铝合金的表面防腐处理方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1759150A (zh) * 2003-01-11 2006-04-12 坎梅陶尔股份有限公司 涂布金属表面的方法、涂料组合物及由其制备的涂层
CN102343759A (zh) * 2010-07-21 2012-02-08 菱田岩 金属产品表面的加工方法
CN102953023A (zh) * 2011-08-29 2013-03-06 中国石油化工股份有限公司 一种钛合金焊接接头的表面处理工艺
CN103451701A (zh) * 2012-05-28 2013-12-18 比亚迪股份有限公司 一种表面处理的金属及其表面处理的方法和金属树脂复合体及其制备方法
CN105038536A (zh) * 2015-08-21 2015-11-11 江阴远望离合器有限公司 一种汽车配件用铝合金的表面防腐处理方法

Similar Documents

Publication Publication Date Title
CN103409758B (zh) 泵类壳体及叶片微细裂纹激光强化延寿方法
CN108220873A (zh) 一种搅拌机不锈钢叶片的表面处理方法
CN107523824A (zh) 一种利用激光冲击强化技术在工件表面制备涂层的方法
WO2023184798A1 (zh) 一种电脉冲和激光冲击波实时耦合强化的方法
CN104017231A (zh) 一种塑料表面处理工艺
CN112981089A (zh) 一种多激光协同辅助的激光冲击强化方法及装置
CN105755427A (zh) 一种奥氏体不锈钢及其复合等离子体强化方法
CN109048216A (zh) 一种钽钢复合材料及其制备方法
CN108727951A (zh) 一种汽车配件的表面处理工艺
CN108707741A (zh) 一种奥氏体不锈钢焊接接头的表面复合处理工艺
CN102615426A (zh) 一种用于镁合金激光焊接的新型焊接方法
KR100649772B1 (ko) 원통소재 표면 처리용 플라즈마 장치 및 플라즈마 처리를통한 피복 강관의 제조방법
CN110144559A (zh) 一种金属表面保护层及其制备方法
CN109706414A (zh) 一种提高锆合金抗腐蚀性能及表面硬度的方法
CN103789529B (zh) 一种激光冲击时效的方法
CN108220945A (zh) 一种铝合金工件发黑处理方法
KR102661860B1 (ko) 마그네슘 합금 허브의 표면 처리 방법
CN107955876A (zh) 激光冲击与化学镀锡青铜结合处理钢丝表面的方法
CN107363394B (zh) 一种冷轧钢板表面激光毛化处理方法
CN106119865A (zh) 一种环保高效的金属清洗液
CN103498125A (zh) 一种提高金属表面镀膜层结合性能的方法
CN109652618B (zh) 一种激光表面强化的方法
CN113088172A (zh) 一种石墨烯改性的激光吸收层涂料及其涂覆方法
CN111558777A (zh) 基于激光冲击的搅拌摩擦焊接头强化方法
CN206527171U (zh) 一种拉丝装置

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
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20181102

WD01 Invention patent application deemed withdrawn after publication