WO2020224376A1 - 一种原位聚合阻燃剂及其制备方法和由其组成的模塑组合物 - Google Patents
一种原位聚合阻燃剂及其制备方法和由其组成的模塑组合物 Download PDFInfo
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- WO2020224376A1 WO2020224376A1 PCT/CN2020/084263 CN2020084263W WO2020224376A1 WO 2020224376 A1 WO2020224376 A1 WO 2020224376A1 CN 2020084263 W CN2020084263 W CN 2020084263W WO 2020224376 A1 WO2020224376 A1 WO 2020224376A1
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- octanediamine
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/42—Polyamides containing atoms other than carbon, hydrogen, oxygen, and nitrogen
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
- C08G69/265—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids from at least two different diamines or at least two different dicarboxylic acids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
Definitions
- the invention relates to the technical field of new polymer materials, in particular to an in-situ polymerization flame retardant, a preparation method thereof, and a molding composition composed of the flame retardant.
- Polyamide is the most widely used engineering plastic and has important applications in the fields of electronic appliances, home appliances, etc.
- the flammability of polyamide itself greatly limits the application and promotion of polyamide. Therefore, the flame retardant modification of polyamide is very important significance.
- halogen-containing flame-retardant modifiers are divided into halogen-containing flame-retardant modifiers and halogen-free flame-retardant modifiers, but halogen-containing flame-retardant materials will produce a large amount of halogen-containing toxic and corrosive gas when burning, causing secondary harm .
- halogen-free flame retardant modifiers mainly include phosphorus flame retardants, nitrogen flame retardants, silicon flame retardants, etc. Among them, phosphorus flame retardants have the best flame retardant effect.
- phosphorus-based flame retardants are mostly phosphorus-containing inorganic salts.
- the patent CN100564454C discloses a hypophosphite flame-retardant modified polyamide; however, this type of flame retardant is a small molecule inorganic salt, and The compatibility of the resin matrix is poor, and it is easy to cause uneven distribution such as agglomeration, precipitation or migration to the surface of the material, which affects the performance of the material.
- US5859147A synthesizes an alkyl compound containing phosphate ester structure, which can solve the problem of flame retardant surface precipitation to a certain extent, but the structure of the compound determines that it has better compatibility only with amorphous polyamide. It solves the problem of surface migration of flame retardants in amorphous polyamide, but has no effect on crystalline and semi-crystalline semi-aromatic polyamides.
- the purpose of the present invention is to overcome the above technical defects and provide an in-situ polymerized flame retardant, which is an in-situ polymerized semi-aromatic polyamide oligomer, which has no precipitation in the semi-aromatic polyamide and does not affect the semi-aromatic polyamide.
- the present invention also provides a preparation method of the above-mentioned in-situ polymerization flame retardant.
- Another object of the present invention is to provide a polyamide molding composition added with the in-situ polymerized flame retardant of the present invention, which has the advantages of good flame retardant effect and good mechanical properties.
- Diamine monomer B one or more of diamine monomers containing 4-36 carbon atoms.
- Phosphorus-containing aromatic ring-containing reactive flame-retardant diacid monomers are selected from 3-hydroxyphenylphosphoryl propionic acid (CEPPA), bis(p-carboxyphenyl)phenyl phosphine oxide (BCPPO), bis(p-carboxyl) Phenyl) methyl phosphine oxide (BCMPO), bis(p-carboxyphenyl) ethyl phosphine oxide (BCEPO), ((6-oxo-6H-dibenzo-(c,e)(1,2)- At least one of phosphahexyl-6-one)-methyl]-succinic acid (DDP);
- CEPPA 3-hydroxyphenylphosphoryl propionic acid
- BCPPO bis(p-carboxyphenyl)phenyl phosphine oxide
- BCMPO bis(p-carboxyl) Phenyl) methyl phosphine oxide
- BCEPO bis(p-carboxy
- the preferred phosphorus-based aromatic ring-containing reactive flame-retardant diacid monomer of the present invention does not contain nitrogen elements.
- the phosphorus-based aromatic ring-containing reactive flame-retardant diacid monomer is selected from [(6-oxo-6H-dibenzo-(c,e)(1,2)-oxaphosphate-6- Ketone)-methyl]-succinic acid, its structural formula is as follows:
- the relative viscosity of the in-situ polymerized flame retardant is 1.2-1.5, and the test condition is 25°C ⁇ 0.01°C, in 98% concentrated sulfuric acid, the in-situ polymerized flame retardant concentration is 10mg/mL.
- the present invention uses relative viscosity to characterize the molecular weight of the in-situ polymerized flame retardant.
- the in-situ polymerized flame retardant has a good anti-precipitation effect when it reaches a certain relative viscosity range, which is reflected in the polyamide molding composition composed of it. The mechanical properties are better.
- the content of A2 in the diacid monomer A is 15-40 mol%.
- the content of A2 can be any content from 15mol% to 40mol%, specifically 15mol%, 17mol%, 19mol%, 21mol%, 23mol%, 25mol%, 27mol%, 29mol%, 31mol%, 33mol%, 35mol% , 37mol%, 39mol%, 40mol%.
- the diamine monomer B is selected from 1,4-butanediamine, 1,5-pentanediamine, 1,6-hexanediamine, 1,7-heptanediamine, 1,8-octanediamine, 1,9-nonanediamine, 1,10-decanediamine, 1,11-undecanediamine, 1,12-dodecanediamine, 1,14-tetradecanediamine, 1,16- Hexadecandiamine, 1,18-octadecanediamine, 1-butyl-1,2-ethylenediamine, 1,1-dimethyl-1,4-butanediamine, 1-ethyl- 1,4-butanediamine, 1,2-dimethyl-1,4-butanediamine, 1,3-dimethyl-1,4-butanediamine, 1,4-dimethyl-1, 4-butanediamine, 2,3-dimethyl-1,4-butanediamine, 2-methyl-1,5-pentanediamine, 3-methyl-1,5-pentanediamine, 2, 5-Dimethyl-1,6
- At least one selected from 1,10-decane diamine and 1,6-hexamethylene diamine Preferably, at least one selected from 1,10-decane diamine and 1,6-hexamethylene diamine.
- the preparation method of the above-mentioned in-situ polymerization flame retardant includes the following steps: weighing diacid monomer A, diamine monomer B, catalyst (may be sodium hypophosphite), and deionized water into a high temperature and high pressure reactor, After filling and ventilating to make the atmosphere in the kettle nitrogen, the temperature is increased to 160-180°C, the reaction is held at a constant temperature for 0.5 hours, the temperature is continued to rise to 200-210°C, and the reaction is held at a constant temperature for 0.5 hours, and the temperature is increased to 240-250°C, and the reaction is held at a constant temperature for 1 hour. Drain for about 0.5 hours and discharge the material to obtain in-situ polymerized flame retardant.
- the polyamide molding composition composed of the above-mentioned in-situ polymerized flame retardant, in parts by weight, includes the following components:
- the content of terephthalic acid is 50-100 mol%;
- the diamine monomer of the semi-aromatic polyamide is selected from the two having 4-36 carbon atoms One or more of amines;
- the diamine with 4-36 carbon atoms is selected from 1,4-butanediamine, 1,5-pentanediamine, 1,6-hexanediamine, 1,7 -Heptanediamine, 1,8-octanediamine, 1,9-nonanediamine, 1,10-decanediamine, 1,11-undecanediamine, 1,12-dodecanediamine, 1 , 14-tetradecane diamine, 1,16-hexadecane diamine, 1,18-octadecane diamine, 1,36-trihexadecane diamine and other linear aliphatic diamines; 1- Butyl-1,2-ethylenediamine, 1,1-dimethyl-1,4-butanediamine, 1-ethyl
- the relative viscosity of the semi-aromatic polyamide resin with a concentration of 10 mg/ml measured in 98% concentrated sulfuric acid at 25°C ⁇ 0.01°C is 1.7-2.8, preferably 2.0-2.3.
- it also includes at least one of reinforcing fibers, fillers, additives, and processing aids.
- the average length of the reinforcing fiber is 0.01mm-20mm, preferably 0.1mm-6mm; its aspect ratio is 5:1-3500:1, preferably 30:1-600:1; based on polyamide molding composition
- the content of the reinforcing fiber is 10wt%-50wt%, more preferably 15wt%-40wt%;
- the reinforcing fiber is an inorganic reinforcing fiber or an organic reinforcing fiber, and the inorganic reinforcing fiber includes but is not limited to One of glass fiber, potassium titanate fiber, metal-clad glass fiber, ceramic fiber, wollastonite fiber, metal carbide fiber, metal curing fiber, asbestos fiber, alumina fiber, silicon carbide fiber, gypsum fiber or boron fiberkind or several.
- the filler has an average particle size of 0.001 ⁇ m-100 ⁇ m, preferably 0.01 ⁇ m-50 ⁇ m, including but not limited to potassium titanate whiskers, zinc oxide whiskers, aluminum borate whiskers, wollastonite, zeolite, kaolin, mica, talc, Clay, pyrophyllite, bentonite, montmorillonite, asbestos, aluminosilicate, alumina, silica, magnesium oxide, zirconia, titanium oxide, iron oxide, calcium carbonate, magnesium carbonate, dolomite, calcium sulfate, barium sulfate, One or more of magnesium hydroxide, calcium hydroxide, aluminum hydroxide, glass beads, ceramic beads, boron nitride, silicon carbide or silicon dioxide.
- the mica can be ordinary mica, sericite, fluorophlogopite (synthetic mica), etc.; montmorillonite can be ordinary montmorillonite, hectorite, or montmorillonite modified by other methods.
- the present invention has no special requirements on the additives and processing aids of the polyamide molding composition.
- the additives can be toners, anti-ultraviolet agents or other weathering agents, etc.; the processing aids can be lubricants, antioxidants, etc.
- the present invention has the following beneficial effects:
- an in-situ polymerization flame retardant is obtained by in-situ copolymerization of phosphorus-based reactive flame-retardant diacid monomers containing aromatic rings in a semi-aromatic polyamide oligomer, and a semi-aromatic polyamide mold composed of it is obtained.
- the plastic composition has good flame retardant properties and good mechanical properties. It avoids the problem of uneven distribution of inorganic small-molecule phosphorus flame retardants in the composition, such as agglomeration, precipitation or migration to the surface of the material after flame retardant modification, and the alkyl compound containing phosphate ester structure is only suitable for amorphous polyamide Technical issues of good compatibility.
- the raw materials used in the examples and comparative examples of the present invention are derived from commercially available products.
- PA10T Vicnyl 700
- PA6T66 Vicnyl 400
- Antioxidant Antioxidant 1098;
- Lubricant polyethylene wax
- CEMPO Bis (2-carboxyethyl) methyl phosphine oxide
- Glass fiber 568H, with an average length of 4 mm and a diameter of 13 microns.
- Preparation method of in-situ copolymerized flame retardant According to the monomer and molar content of in-situ copolymerized flame retardant in Table 1, weigh diacid monomer A, diamine monomer B, sodium hypophosphite, and deionized water. In the high-temperature and high-pressure reaction kettle, after filling and ventilating to make the atmosphere in the kettle nitrogen, the temperature is raised to 160-180°C, constant temperature reaction is 0.5 hours, the temperature is continued to 200-210°C, and constant temperature reaction is 0.5 hours, and the temperature is continued to 240-250°C , React at constant temperature for 1 hour, drain for about 0.5 hours, and discharge the material to obtain in-situ polymerization flame retardant.
- the preparation method of the polyamide molding composition of the Examples and Comparative Examples According to the formula, the semi-aromatic polyamide resin, flame retardant (in-situ copolymerized flame retardant or OP935), and other additives were mixed uniformly in a high-mixer , Adding into the twin-screw extruder through the main feeding port, side feeding the reinforcing filler through the side feeding scale, extruding, cooling with water, granulating and drying, to obtain the polyamide molding composition.
- flame retardant in-situ copolymerized flame retardant or OP935
- Relative viscosity Refer to the standard GB/T 12006.1-1989, and use Ubbelohde viscometer to measure the relative viscosity of the product with a concentration of 0.25g/dL in 98% concentrated sulfuric acid at (25 ⁇ 0.01)°C.
- Notched impact strength/unnotched impact strength Refer to the standard ISO 180 to test the impact strength of resin materials.
- Limiting oxygen index Measured with reference to the standard GB/T5454-1997, the sample size is 12cm ⁇ 1cm ⁇ 0.4cm.
- Example 2/7/8 It can be seen from Example 2/7/8 that the preferred relative viscosity range is 1.2-1.5.
- the in-situ copolymerized flame retardant containing phosphorus-based aromatic ring-containing reactive flame-retardant diacid monomers synthesized in the present invention is compared with the conventional (2-carboxyethyl) Methyl phosphine oxide inorganic phosphorus flame retardant has better compatibility and strong precipitation resistance, has less influence on the performance of semi-aromatic polyamide resin itself, and has better flame retardant effect.
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- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyamides (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Fireproofing Substances (AREA)
Abstract
Description
Claims (10)
- 一种原位聚合阻燃剂,其特征在于,衍生自以下单体:二酸单体A:A1为对苯二甲酸,A2为磷系含芳香环的反应型阻燃二酸单体,A1+A2=100mol%,A1=50-90mol%,A2=10-50mol%;二胺单体B:含有4-36个碳原子的二胺单体中的一种或多种。
- 根据权利要求1所述的原位聚合阻燃剂,其特征在于,磷系含芳香环的反应型阻燃二酸单体选自3-羟基苯基磷酰丙酸、双(对-羧苯基)苯基氧化膦、双(对-羧苯基)甲基氧化膦、双(对-羧苯基)乙基氧化膦、[(6-氧-6H-二苯并-(c,e)(1,2)-氧磷杂己环-6-酮)-甲基]-丁二酸中的至少一种;优选的,磷系含芳香环的反应型阻燃二酸单体选自[(6-氧-6H-二苯并-(c,e)(1,2)-氧磷杂己环-6-酮)-甲基]-丁二酸。
- 根据权利要求1所述的原位聚合阻燃剂,其特征在于,原位聚合阻燃剂的相对粘度为1.2-1.5,测试条件为25℃±0.01℃下,在98%的浓硫酸中,原位聚合阻燃剂浓度为10mg/mL。
- 根据权利要求1所述的原位聚合阻燃剂,其特征在于,二酸单体A中,A2的含量为15-40mol%。
- 根据权利要求1所述的原位聚合阻燃剂,其特征在于,所述的二胺单体B选自1,4-丁二胺、1,5-戊二胺、1,6-己二胺、1,7-庚二胺、1,8-辛二胺、1,9-壬二胺、1,10-癸二胺、1,11-十一烷二胺、1,12-十二烷二胺、1,14-十四烷二胺、1,16-十六烷二胺、1,18-十八烷二胺、1-丁基-1,2-乙二胺、1,1-二甲基-1,4-丁二胺、1-乙基-1,4-丁二胺、1,2-二甲基-1,4-丁二胺、1,3-二甲基-1,4-丁二胺、1,4-二甲基-1,4-丁二胺、2,3-二甲基-1,4-丁二胺、2-甲基-1,5-戊二胺、3-甲基-1,5-戊二胺、2,5-二甲基-1,6-己二胺、2,4-二甲基-1,6-己二胺、3,3-二甲基-1,6-己二胺、2,2-二甲基-1,6-己二胺、2,2,4-三甲基-1,6-己二胺、2,4,4-三甲基-1,6-己二胺、2,4-二乙基-1,6-己二胺、2,2-二甲基-1,7-庚二胺、2,3-二甲基-1,7-庚二胺、2,4-二甲基-1,7-庚二胺、2,5-二甲基-1,7-庚二胺、2-甲基-1,8-辛二胺、3-甲基-1,8-辛二胺、4-甲基-1,8-辛二胺、1,3-二甲基-1,8-辛二胺、1,4-二甲基-1,8-辛二胺、2,4-二甲基-1,8-辛二胺、3,4-二甲基-1,8-辛二胺、4,5-二甲基-1,8-辛二胺、2,2-二甲基-1,8-辛二胺、3,3-二甲基-1,8-辛二胺、4,4-二甲基-1,8-辛二胺、5-甲基-1,9-壬二胺中的一种或几种;优选的,选自1,10-癸二胺、1,6-己二胺。
- 权利要求1-5任一项所述的原位聚合阻燃剂的制备方法,其特征在于,包括以下步骤:称量二酸单体A、二胺单体B、催化剂、去离子水加入高温高压反应釜 中,充换气使釜内气氛为氮气后,升温到160-180℃,恒温反应0.5小时,继续升温到200-210℃,并恒温反应0.5小时,继续升温至240-250℃,恒温反应1小时,排水约0.5小时,出料得到原位聚合阻燃剂。
- 由权利要求1-5任一项所述的原位聚合阻燃剂组成的聚酰胺模塑组合物,其特征在于,按重量份计,包括以下组分:半芳香族聚酰胺 40-100份;原位聚合阻燃剂 5-45份。
- 根据权利要求7所述的聚酰胺模塑组合物,其特征在于,所述半芳香族聚酰胺的二酸单体中,对苯二甲酸的含量为50-100mol%;所述半芳香族聚酰胺的二胺单体,选自具有4-36个碳原子的二胺中的一种或几种;所述具有4-36个碳原子的二胺选自1,4-丁二胺、1,5-戊二胺、1,6-己二胺、1,7-庚二胺、1,8-辛二胺、1,9-壬二胺、1,10-癸二胺、1,11-十一烷二胺、1,12-十二烷二胺、1,14-十四烷二胺、1,16-十六烷二胺、1,18-十八烷二胺、1,36-三十六烷二胺等直链状脂肪族二胺;1-丁基-1,2-乙二胺、1,1-二甲基-1,4-丁二胺、1-乙基-1,4-丁二胺、1,2-二甲基-1,4-丁二胺、1,3-二甲基-1,4-丁二胺、1,4-二甲基-1,4-丁二胺、2,3-二甲基-1,4-丁二胺、2-甲基-1,5-戊二胺、3-甲基-1,5-戊二胺、2,5-二甲基-1,6-己二胺、2,4-二甲基-1,6-己二胺、3,3-二甲基-1,6-己二胺、2,2-二甲基-1,6-己二胺、2,2,4-三甲基-1,6-己二胺、2,4,4-三甲基-1,6-己二胺、2,4-二乙基-1,6-己二胺、2,2-二甲基-1,7-庚二胺、2,3-二甲基-1,7-庚二胺、2,4-二甲基-1,7-庚二胺、2,5-二甲基-1,7-庚二胺、2-甲基-1,8-辛二胺、3-甲基-1,8-辛二胺、4-甲基-1,8-辛二胺、1,3-二甲基-1,8-辛二胺、1,4-二甲基-1,8-辛二胺、2,4-二甲基-1,8-辛二胺、3,4-二甲基-1,8-辛二胺、4,5-二甲基-1,8-辛二胺、2,2-二甲基-1,8-辛二胺、3,3-二甲基-1,8-辛二胺、4,4-二甲基-1,8-辛二胺、5-甲基-1,9-壬二胺等支链状脂肪族二胺;环己二胺、甲基环己二胺、异佛尔酮二胺、降冰片烷二甲胺、三环癸烷二甲胺等脂环式二胺中的至少一种,优选的,选自1,10-癸二胺、1,6-己二胺中的至少一种。
- 根据权利要求7所述的聚酰胺模塑组合物,其特征在于,所述半芳香族聚酰胺,在25℃±0.01℃的98%的浓硫酸中测量浓度为10mg/ml的半芳香聚酰胺树脂的相对粘度为1.7-2.8,优选2.0-2.3。
- 根据权利要求7所述的聚酰胺模塑组合物,其特征在于,按重量份计,还包括增强纤维、填料、添加剂、加工助剂中的至少一种。
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| EP20802867.0A EP3957677B1 (en) | 2019-05-09 | 2020-04-10 | In situ polymerized flame retardant and preparation method therefor and molding composition consisting thereof |
| JP2021566302A JP7410978B2 (ja) | 2019-05-09 | 2020-04-10 | インサイチュ重合難燃剤及びその製造方法並びにそれで構成される成形用組成物 |
| US17/609,409 US12534573B2 (en) | 2019-05-09 | 2020-04-10 | In situ polymerized flame retardant, preparation method thereof, and molding composition comprising thereof |
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| CN201910383955.2A CN110204708B (zh) | 2019-05-09 | 2019-05-09 | 一种原位聚合阻燃剂及其制备方法和由其组成的模塑组合物 |
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|---|---|---|---|---|
| CN110218311B (zh) | 2019-05-09 | 2021-01-12 | 金发科技股份有限公司 | 一种阻燃半芳香聚酰胺及其制备方法 |
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| US12534573B2 (en) | 2026-01-27 |
| CN110204708A (zh) | 2019-09-06 |
| JP7410978B2 (ja) | 2024-01-10 |
| EP3957677B1 (en) | 2025-08-27 |
| CN110204708B (zh) | 2020-08-25 |
| US20220251297A1 (en) | 2022-08-11 |
| JP2022533562A (ja) | 2022-07-25 |
| EP3957677A1 (en) | 2022-02-23 |
| EP3957677A4 (en) | 2022-06-15 |
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