CN110577656A - 高浓度高色牢度母粒的制备方法 - Google Patents
高浓度高色牢度母粒的制备方法 Download PDFInfo
- Publication number
- CN110577656A CN110577656A CN201910889519.2A CN201910889519A CN110577656A CN 110577656 A CN110577656 A CN 110577656A CN 201910889519 A CN201910889519 A CN 201910889519A CN 110577656 A CN110577656 A CN 110577656A
- Authority
- CN
- China
- Prior art keywords
- parts
- color
- fastness
- powder
- pet
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/04—Pigments
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/06—Dyes
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/92—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyesters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2467/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/222—Magnesia, i.e. magnesium oxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2265—Oxides; Hydroxides of metals of iron
- C08K2003/2272—Ferric oxide (Fe2O3)
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/28—Nitrogen-containing compounds
- C08K2003/282—Binary compounds of nitrogen with aluminium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
Abstract
本发明公开了一种高浓度高色牢度母粒的制备方法,包括如下步骤:1)按重量份取如下原料:8‑20份PET,0‑50份PBT,0‑50份着色剂,0.2‑2份紫外光吸收剂,0.2‑2份光稳定剂,6‑20份凉感粉,1‑3份复合增韧剂,0.2‑1份抗氧剂,0.3‑1.5份分散剂,0.5‑1.2份流变改性剂;2)将原料中的PET和PBT切片后进行粉碎、干燥;3)将干燥后的粉体以及原料中的其他组分充分搅拌混合均匀;4)将得到的混合料投入双螺杆挤出机中进行挤出造粒。本发明制得的母粒着色剂浓度高,使纤维上染率和色牢度得到提高,而且纤维耐候性好和具有良好的瞬间凉感功能。
Description
技术领域
本发明涉及一种高浓度高色牢度母粒的制备方法。
背景技术
随着人们对纺织品的质量要求逐步提高,其环保性和功能性成为人们日益重视的两大方面,传统纺织品已不能满足现代市场的需求,功能性纤维的研发已成为现代纤维的主要发展方向。目前,大多通过印染和功能性后整理的方式来获得彩色功能纤维或纺织品,但是这种方式存在着能耗高、废水多、功能性不持久等问题。现在,也有用通过添加色母粒和功能母粒,赋予纤维不同的色彩以及功能。使用母粒的方式可以有效解决这些问题,并且流程简单,环境污染少。但是,现有技术中母粒的色粉浓度较低,将直接决定制品最终的着色效果,制得的纤维色含量也低,耐热迁移性能差、水洗牢度差。并且,在纺制深染彩色功能PET纤维时,可纺性差,飘丝断头多,纺丝组件使用周期短,更换频繁。
发明内容
本发明的目的在于提供一种高浓度高色牢度母粒的制备方法,制得的母粒着色剂浓度高,使纤维上染率和色牢度得到提高,而且纤维耐候性好和具有良好的瞬间凉感功能。
为实现上述目的,本发明的技术方案是设计一种高浓度高色牢度母粒的制备方法,包括如下步骤:
1)按重量份取如下原料:
8-20份PET,
0-50份PBT,
0-50份着色剂,
0.2-2份紫外光吸收剂,
0.2-2份光稳定剂,
6-20份凉感粉,
1-3份复合增韧剂,
0.2-1份抗氧剂,
0.3-1.5份分散剂,
0.5-1.2份流变改性剂,
其中,所述PET的特性粘度为0.66-0.82dL/g,所述PBT的特性粘度为0.82-1.0dL/g。
2)将原料中的PET和PBT切片后进行粉碎,得到粒径为25-40目的粉体,再将得到的粉体进行真空干燥,干燥温度为80-105℃,真空度≤-0.08MPa,干燥时间为6-12小时;
3)将干燥后的粉体以及原料中的其他组分投入高混机中搅拌5-15min,得到混合料,所述高混机的转速为500-1000rpm;
4)将得到的混合料投入双螺杆挤出机中,混匀的物料在双螺杆中充分塑化后经双螺杆中的分散元件剪切分散均匀,经圆孔口模挤出、水槽冷却、拉条牵引到切粒机切成长3mm±1mm,直径2.5mm±1.5mm的圆柱型颗粒,所述双螺杆挤出机配有抽真空装置,所述双螺杆挤出机的长径比不小于40:1,挤出时的工艺温度为145℃-200℃。
优选的,所述PET的特性粘度为0.82dL/g,所述PBT的特性粘度为1.0dL/g。
优选的,所述凉感粉为纳米级玉石粉、氮化铝粉、碳化硅粉中的一种或几种的混合物。
优选的,所述抗氧剂为芳香胺类抗氧剂、受阻酚类抗氧剂、亚磷酸酯类抗氧剂、硫酯类抗氧剂中的一种或几种的混合物。
优选的,所述分散剂为带活性基团的聚酯类超分散剂、活性接枝有机硅类分散剂、丙烯酸酯分散剂中的一种或几种的混合物。
优选的,按重量份取如下原料:
8.65份PET,
37份PBT,
34份着色剂,
0.3份紫外光吸收剂,
0.3份光稳定剂,
16份凉感粉,
1份复合增韧剂,
0.25份抗氧剂,
1.5份分散剂,
1份流变改性剂。
本发明的优点和有益效果在于:提供一种高浓度高色牢度母粒的制备方法,制得的母粒着色剂浓度高,使纤维上染率和色牢度高,而且耐候性好和具有良好的瞬间凉感功能。
本发明的特点在于:本发明通过添加纳米凉感粉,制备的母粒具有凉感功能;并且,母粒中的光稳定剂、紫外光吸收剂和抗氧剂之间的协同作用,能大大减缓光降解,有利于提高产品使用寿命。另外,本发明通过大量实验确定原料中各组分的优选含量,最终制得高浓度高色牢度母粒,将本发明制备的高浓度高色牢度母粒交化纤厂,用现有纺丝设备,根据我们提供的添加比例(5%-6%)与PET切片混合,可纺制不同规格的纤维,制得的纤维断裂强度≥3.0cN/dtex。并且,解决了后道纺丝工艺的难度,既达到了纤维色深的要求,又保证了纤维的物理指标,纺丝过程中飘丝、断头现象也大量减少,保证了纺丝工序的顺利完成,延长了纺丝组件的使用周期。
具体实施方式
下面结合实施例,对本发明的具体实施方式作进一步描述。以下实施例仅用于更加清楚地说明本发明的技术方案,而不能以此来限制本发明的保护范围。
本发明具体实施的技术方案是:
一种高浓度高色牢度母粒的制备方法,包括如下步骤:
1)按重量份取如下原料:
8.65份PET,
37份PBT,
34份着色剂,
0.3份紫外光吸收剂,
0.3份光稳定剂,
16份凉感粉,
1份复合增韧剂,
0.25份抗氧剂,
1.5份分散剂,
1份流变改性剂,
其中,所述PET的特性粘度为0.82dL/g,所述PBT的特性粘度为1.0dL/g。
2)将原料中的PET和PBT切片后进行粉碎,得到粒径为25-40目的粉体,再将得到的粉体进行真空干燥,干燥温度为80-105℃,真空度≤-0.08MPa,干燥时间为6-12小时;
3)将干燥后的粉体以及原料中的其他组分投入高混机中搅拌5-15min,得到混合料,所述高混机的转速为500-1000rpm;
4)将得到的混合料投入双螺杆挤出机中,混匀的物料在双螺杆中充分塑化后经双螺杆中的分散元件剪切分散均匀,经圆孔口模挤出、水槽冷却、拉条牵引到切粒机切成长3mm±1mm,直径2.5mm±1.5mm的圆柱型颗粒,所述双螺杆挤出机配有抽真空装置,所述双螺杆挤出机的长径比不小于40:1,挤出时的工艺温度为145℃-200℃。
上述凉感粉为纳米级玉石粉、氮化铝粉、碳化硅粉中的一种或几种的混合物。
上述抗氧剂为芳香胺类抗氧剂、受阻酚类抗氧剂、亚磷酸酯类抗氧剂、硫酯类抗氧剂中的一种或几种的混合物。
上述分散剂为带活性基团的聚酯类超分散剂、活性接枝有机硅类分散剂、丙烯酸酯分散剂中的一种或几种的混合物。
以上所述仅是本发明的优选实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明技术原理的前提下,还可以做出若干改进和润饰,这些改进和润饰也应视为本发明的保护范围。
Claims (6)
1.一种高浓度高色牢度母粒的制备方法,其特征在于,包括如下步骤:
1)按重量份取如下原料:
8-20份PET,
0-50份PBT,
0-50份着色剂,
0.2-2份紫外光吸收剂,
0.2-2份光稳定剂,
6-20份凉感粉,
1-3份复合增韧剂,
0.2-1份抗氧剂,
0.3-1.5份分散剂,
0.5-1.2份流变改性剂,
其中,所述PET的特性粘度为0.66-0.82dL/g,所述PBT的特性粘度为0.82-1.0dL/g;
2)将原料中的PET和PBT切片后进行粉碎,得到粒径为25-40目的粉体,再将得到的粉体进行真空干燥,干燥温度为80-105℃,真空度≤-0.08MPa,干燥时间为6-12小时;
3)将干燥后的粉体以及原料中的其他组分投入高混机中搅拌5-15min,得到混合料,所述高混机的转速为500-1000rpm;
4)将得到的混合料投入双螺杆挤出机中,混匀的物料在双螺杆中充分塑化后经双螺杆中的分散元件剪切分散均匀,经圆孔口模挤出、水槽冷却、拉条牵引到切粒机切成长3mm±1mm,直径2.5mm±1.5mm的圆柱型颗粒,所述双螺杆挤出机配有抽真空装置,所述双螺杆挤出机的长径比不小于40:1,挤出时的工艺温度为145℃-200℃。
2.根据权利要求1所述的高浓度高色牢度母粒的制备方法,其特征在于,所述PET的特性粘度为0.82dL/g,所述PBT的特性粘度为1.0dL/g。
3.根据权利要求2所述的高浓度高色牢度母粒的制备方法,其特征在于,所述凉感粉为纳米级玉石粉、氮化铝粉、碳化硅粉中的一种或几种的混合物。
4.根据权利要求3所述的高浓度高色牢度母粒的制备方法,其特征在于,所述抗氧剂为芳香胺类抗氧剂、受阻酚类抗氧剂、亚磷酸酯类抗氧剂、硫酯类抗氧剂中的一种或几种的混合物。
5.根据权利要求4所述的高浓度高色牢度母粒的制备方法,其特征在于,所述分散剂为带活性基团的聚酯类超分散剂、活性接枝有机硅类分散剂、丙烯酸酯分散剂中的一种或几种的混合物。
6.根据权利要求5所述的高浓度高色牢度母粒的制备方法,其特征在于,按重量份取如下原料:
8.65份PET,
37份PBT,
34份着色剂,
0.3份紫外光吸收剂,
0.3份光稳定剂,
16份凉感粉,
1份复合增韧剂,
0.25份抗氧剂,
1.5份分散剂,
1份流变改性剂。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910889519.2A CN110577656A (zh) | 2019-09-20 | 2019-09-20 | 高浓度高色牢度母粒的制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910889519.2A CN110577656A (zh) | 2019-09-20 | 2019-09-20 | 高浓度高色牢度母粒的制备方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN110577656A true CN110577656A (zh) | 2019-12-17 |
Family
ID=68813220
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910889519.2A Pending CN110577656A (zh) | 2019-09-20 | 2019-09-20 | 高浓度高色牢度母粒的制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110577656A (zh) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104845242A (zh) * | 2014-12-18 | 2015-08-19 | 王妮娜 | 一种ptt聚酯用抗菌母粒及其制备方法 |
CN107964223A (zh) * | 2017-12-09 | 2018-04-27 | 苏州宝力塑胶材料有限公司 | 一种深染大红色纤维用高浓度色母粒及其制备方法 |
CN109401218A (zh) * | 2017-08-17 | 2019-03-01 | 天津莱维服饰有限公司 | 一种用于聚酯纤维的感温变色色母粒及制备方法 |
-
2019
- 2019-09-20 CN CN201910889519.2A patent/CN110577656A/zh active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104845242A (zh) * | 2014-12-18 | 2015-08-19 | 王妮娜 | 一种ptt聚酯用抗菌母粒及其制备方法 |
CN109401218A (zh) * | 2017-08-17 | 2019-03-01 | 天津莱维服饰有限公司 | 一种用于聚酯纤维的感温变色色母粒及制备方法 |
CN107964223A (zh) * | 2017-12-09 | 2018-04-27 | 苏州宝力塑胶材料有限公司 | 一种深染大红色纤维用高浓度色母粒及其制备方法 |
Non-Patent Citations (1)
Title |
---|
赵晓敏: ""凉感聚酰胺6纤维的制备及性能评价"", 《中国优秀博硕士学位论文全文数据库(硕士) 工程科技I辑》 * |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102400236A (zh) | 一种固体色母粒组合物、其制备方法及应用 | |
CN109082726B (zh) | 一种原液着色弹性聚酯纤维的制备方法 | |
CN1215116C (zh) | 树脂组合物及使用这种组合物制造的模塑产品 | |
CN101037810A (zh) | 彩艳涤纶绣花线的制作工艺 | |
CN106633834A (zh) | 一种黑色母粒、锦纶6纤维及其制备方法 | |
CN101851797B (zh) | 渔用柔性共混改性聚乙烯单丝制备方法 | |
CN106700439A (zh) | 适用于纺前着色工艺的扁平涤纶纤维母粒及该母粒的制备方法 | |
CN101851795B (zh) | 渔用网具制作用高性能改性乙纶单丝加工方法 | |
CN108102313A (zh) | 一种染色聚酯母粒及其生产工艺 | |
CN110257948A (zh) | 一种黑色聚酯工业丝及其制备方法 | |
CN106633701A (zh) | 长丝涤纶纺丝专用色母料、其制备方法及其应用 | |
CN110437616B (zh) | 一种聚苯硫醚藏青色色母粒、有色纤维及制备方法 | |
CN101298704A (zh) | 用于生产聚对苯二甲酸丙二醇酯纤维的色母粒及其制备方法和应用 | |
CN1027655C (zh) | 着色的芳族聚酰胺纤维 | |
CN101851796B (zh) | 渔用绳索制作用耐磨共混改性聚丙烯单丝加工方法 | |
CN113527851B (zh) | 一种聚乳酸载体色母粒及其制备方法 | |
CN110577656A (zh) | 高浓度高色牢度母粒的制备方法 | |
CN1584140A (zh) | 一种高效导电纤维及其制备方法 | |
CN111560167A (zh) | 一种抗紫外聚酰胺色母粒及功能纤维的制备方法 | |
CN111892809A (zh) | 一种宝蓝色色纱用的色母粒及其制备方法 | |
CN110628186A (zh) | 纤维用高浓度彩色抗菌母粒的制备方法 | |
CN114561031B (zh) | 一种高颜料含量色母粒及其制备方法和应用 | |
CN110483959A (zh) | 纤维用高浓度高色牢度母粒的制备方法 | |
CN111154236A (zh) | 抗菌卫材纤维专用色母粒及其制备方法 | |
CN1425812A (zh) | 涤纶有色短纤维的生产方法 |
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 | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191217 |
|
RJ01 | Rejection of invention patent application after publication |