CN110591278A - Warm edge spacing strip for hollow glass and preparation method thereof - Google Patents
Warm edge spacing strip for hollow glass and preparation method thereof Download PDFInfo
- Publication number
- CN110591278A CN110591278A CN201910892693.2A CN201910892693A CN110591278A CN 110591278 A CN110591278 A CN 110591278A CN 201910892693 A CN201910892693 A CN 201910892693A CN 110591278 A CN110591278 A CN 110591278A
- Authority
- CN
- China
- Prior art keywords
- parts
- warm edge
- butadiene
- acrylonitrile
- antioxidant
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L55/00—Compositions of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08L23/00 - C08L53/00
- C08L55/02—ABS [Acrylonitrile-Butadiene-Styrene] polymers
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
- E06B3/663—Elements for spacing panes
- E06B3/66309—Section members positioned at the edges of the glazing unit
- E06B3/66328—Section members positioned at the edges of the glazing unit of rubber, plastics or similar materials
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
- E06B3/67—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light
-
- 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
- C08K2201/002—Physical properties
- C08K2201/004—Additives being defined by their length
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2310/00—Masterbatches
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention discloses a warm edge spacing strip for hollow glass and a preparation method thereof. The warm edge spacing bar is prepared from the following raw materials in parts by weight: 30-90 parts of acrylonitrile-butadiene-styrene resin, 10-50 parts of glass fiber, 1-10 parts of compatilizer, 0.2-1.8 parts of antioxidant, 1-5 parts of synergistic compatilizer and 2-8 parts of processing aid. The warm edge spacer provided by the invention is prepared from a high polymer material and an inorganic material, so that the heat conductivity coefficient of the warm edge spacer is greatly reduced under the condition of higher mechanical property, and the heat insulation effect is greatly improved. The hollow glass adopting the warm edge spacing strip has the advantages of prolonged service life and remarkable energy-saving effect.
Description
Technical Field
The invention belongs to the field of building materials, and particularly relates to a warm edge spacing strip for hollow glass of doors and windows and a preparation method thereof.
Background
Along with the gradual improvement of living standard, the requirement of people on the heat preservation effect of buildings is gradually improved, and meanwhile, energy conservation and emission reduction are gradually the consensus of the nation and people, so that how to reduce the energy consumption of the buildings on the premise of ensuring the heat preservation effect becomes a very important problem in the building industry.
The building door and window is an indispensable component in civil or industrial buildings, the quality of the heat-insulating performance of the building door and window has a close relationship with the spacer bar selected by the used hollow glass, the material of the spacer bar is an important factor influencing the heat-insulating performance of the door and window, and at present, the traditional aluminum alloy material is mostly adopted as the spacer bar in China.
In foreign countries, passive houses are widely popularized due to requirements on environmental protection, energy conservation, consumption reduction and the like, all passive houses are warm-edge spacing bars (the type of the spacing bars is divided according to the thermal conductivity of materials, the thermal conductivity of aluminum alloy is generally 130 ~ 150W/(m.K), when the thermal conductivity of the spacing bars is lower than that of the aluminum alloy, the spacing bars are called warm-edge spacing bars, and when the thermal conductivity of the spacing bars is higher than that of the aluminum alloy, the spacing bars are called cold-edge spacing bars).
The general trend in future development is to adapt to general and specific requirements. The non-metal material spacing bar also becomes an important direction for developing the fields of heat preservation and heat insulation in the future due to the advantages of the non-metal material spacing bar in performance.
Disclosure of Invention
The invention aims to solve the technical problem of providing a warm edge spacing strip for hollow glass of doors and windows and a preparation method thereof.
The basic principle of the formula of the invention is that the acrylonitrile-butadiene-styrene resin is a weak polar polymer, the glass fiber is a polar inorganic material, the compatibility between the acrylonitrile-butadiene-styrene resin and the glass fiber is poor, the acrylonitrile-butadiene-styrene compatilizer containing polar groups and the synergistic compatilizer are added, a firm chemical bond and a physical interaction effect are formed through the chemical reaction between the polar groups, the compatibilization effect is achieved, and the binding power and the interface strength of the composite material are improved. The processing aid can improve the fluidity during processing and the compatibility of the acrylonitrile-butadiene-styrene resin and the glass fiber through physical and chemical actions. Antioxidants are effective in retarding or inhibiting the progress of the polymer oxidation process, thereby preventing polymer aging and extending its useful life.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a warm edge spacing strip for hollow glass comprises the following raw materials in parts by weight: 30-90 parts of acrylonitrile-butadiene-styrene resin, 10-50 parts of glass fiber, 1-10 parts of compatilizer, 0.2-1.8 parts of antioxidant, 1-5 parts of synergistic compatilizer and 2-8 parts of processing aid.
Preferably, the raw materials for preparing the warm edge spacing bar also comprise 0.1-3 parts of color masterbatch.
Preferably, the compatibilizer is at least one of acrylonitrile-butadiene-styrene (ABS) grafted acrylic acid (ABS-AA), acrylonitrile-butadiene-styrene (ABS) grafted glycidyl methacrylate (ABS-GMA), acrylonitrile-butadiene-styrene (ABS) grafted maleic anhydride (ABS-MAH), acrylonitrile-butadiene-styrene (ABS) multi-monomer grafted maleic anhydride [ ABS-g- (MAH-co-St) ], and acrylonitrile-butadiene-styrene (ABS) grafted methyl methacrylate (ABS-MMA).
Preferably, the antioxidant of the warm edge spacer is at least one of antioxidant 168, antioxidant 1076, antioxidant 1010, antioxidant 626 and antioxidant 412S.
In the warm edge spacer, the synergistic compatibilizer is preferably at least one of succinimide, hydroxyimide, bismaleimide and polyamideimide.
Preferably, the processing aid is at least one of epoxy acrylate, polyol benzoate, dioctyl adipate, methyl methacrylate, di-n-butyl phthalate and benzhydryl diisocyanate.
Preferably, the color masterbatch is one of color masterbatches with different colors.
Preferably, the color masterbatch is black color masterbatch.
The invention also provides a preparation method of the warm edge spacing strip for the hollow glass, which comprises the following steps in sequence:
(1) pre-drying acrylonitrile-butadiene-styrene resin (ABS);
(2) uniformly mixing dried acrylonitrile-butadiene-styrene resin (ABS), glass fiber, a compatilizer, an antioxidant, a synergistic compatilizer and a processing aid in a high-speed mixer, adding the mixture into a double-screw extruder, extruding from a die orifice, and granulating to obtain a master batch;
(3) and (3) performing melt extrusion and molding on the master batch through a single-screw extruder, and coating the master batch with a composite film to obtain the product.
In the preparation method, preferably, the color masterbatch is added into a high-speed mixer together with other components in the step (2) to be uniformly mixed; and (4) mixing the color master batch and the master batch in the step (3) and adding the mixture into a single-screw extruder.
Preferably, in the step (1), the acrylonitrile-butadiene-styrene resin (ABS) is pre-dried at 80 5636 ℃ for 2 ~ hours, in the step (2), the mixing time is 15-60 minutes, the rotating speed is 600-3000 rpm, the rotating speed of a screw is 50-200 rpm, the feeding speed is 300-650 kg/h, the temperature of each section of a double-screw extruder is set to 176 ~ ℃, 183 ~ ℃, 187 ~ ℃, 188 ~ ℃, 179 ~ ℃ and 186 ℃, in the step (3), the rotating speed of the screw is 300-600 rpm, the feeding speed is 10-30 kg/h, and the temperature of each section of a single-screw extruder is set to 187, 193 ~, 197, ~, 205, 206 ~, 210, 198 ~ ℃.
The warm edge spacing strip for the hollow glass provided by the invention solves the defects that the existing warm edge spacing strip has higher heat conductivity coefficient, is easy to have condensation and frost formation, has performance which is difficult to meet the requirements of passive houses and high-grade buildings and the like. The warm edge spacing strip for the hollow glass, provided by the invention, has the characteristics of stable quality, high heat insulation and higher durability as shown by theoretical calculation and time verification; the heat-insulating material is suitable for the requirements of passive house construction, and has good heat-insulating effect and comfortable sensation. By adding the synergistic compatilizer, the mechanical property of the warm edge spacer is greatly improved, and the stability and the ultraviolet irradiation performance of the material are improved.
The invention provides a warm edge spacing strip for hollow glass, which is characterized in that the performance detection is carried out according to the building material industry standard JC/T2453-2018 of the people's republic of China: part 3-warm edge spacer standard.
Compared with the prior art, the invention has the following advantages:
1. the warm edge spacing strip for the hollow glass provided by the invention has the characteristics of stable self quality, high heat insulation and higher durability, and has good heat preservation effect and comfortable sensation. The hollow glass adopting the warm edge spacing strip has the advantages of prolonged service life and remarkable energy-saving effect.
2. The warm edge spacer provided by the invention is prepared from a high polymer material and an inorganic material, so that the heat conductivity coefficient of the warm edge spacer is greatly reduced under the condition of higher mechanical property, and the heat insulation effect is greatly improved.
3. The preparation method is simple and easy to implement.
Detailed Description
The present invention is further described in detail below with reference to specific examples, it being understood that the examples are illustrative only and not limiting of the present invention, and the glass fibers in the following examples are chopped alkali glass fibers having a length of 3 ~ 6 mm.
Example 1:
a warm edge spacer for insulating glass is made of the following raw materials: 50 kg of acrylonitrile-butadiene-styrene resin (ABS), 30 kg of glass fiber, 10 kg of compatilizer [ ABS-g- (MAH-co-St) ], 1.2 kg of antioxidant 412S, 3 kg of synergistic compatilizer succinimide, 5 kg of processing aid di-n-butyl phthalate and 0.8 kg of black color masterbatch.
Examples 2 to 7:
examples 2-7 are each a warm-edge spacer for insulating glass. The types of the raw materials of the warm edge spacer are approximately the same as those of the raw materials of example 1, and the difference is that the specific raw materials and the dosage are different, specifically shown in the following table 1:
table 1 materials and proportions of warm edge spacer in examples 2-7
Example 8A method for preparing a warm edge spacer for insulating glass
This example provides a method of making a warm-edge spacer for insulating glass as described in any of examples 1-7, comprising the steps of, in order:
(1) pre-drying acrylonitrile-butadiene-styrene resin (ABS) at 85 ℃ for 3 hours;
(2) uniformly mixing dry acrylonitrile-butadiene-styrene resin (ABS), glass fiber, a compatilizer, an antioxidant, a synergistic compatilizer, a processing aid and a color master batch in a high-speed mixer, wherein the mixing time is 50 minutes, the rotating speed is 1500 revolutions per minute, adding the mixture into a double-screw extruder, the rotating speed of a screw is 180 revolutions per minute, the feeding speed is 600 kilograms per hour, extruding from a die orifice, and granulating to obtain a master batch; the temperature of each section of the double-screw extruder is set to be 180 ℃, 185 ℃, 190 ℃ and 185 ℃;
(3) and (3) melting, extruding and molding the master batch through a single-screw extruder, coating a composite film at the screw rotation speed of 450 rpm and the feeding speed of 15 kg/h, and thus obtaining the product. The temperatures of the sections of the single-screw extruder were set to 190 ℃, 195 ℃, 200 ℃, 210 ℃, 205 ℃.
Examples 9-12A method for preparing a warm edge spacer for insulating glass
Examples 9-12 are each a method of manufacturing a warm edge spacer for insulating glass, having the same manufacturing steps as in example 8, except that the parameters are different in each step, as shown in table 2 below:
TABLE 2 different parameters of examples 9-12
Example 13:
examples 1-7 provide performance testing of warm-edge spacer bars for insulating glass.
The performance detection of the warm edge spacing strip of the hollow glass is carried out according to the building material industry standard JC/T2453-2018 of the people's republic of China: part 3-warm edge spacer standard. The test results are shown in table 3.
TABLE 3 Warm edge spacer Performance test results
Claims (10)
1. The warm edge spacing strip for hollow glass is characterized by comprising the following raw materials in parts by weight: 30-90 parts of acrylonitrile-butadiene-styrene resin, 10-50 parts of glass fiber, 1-10 parts of compatilizer, 0.2-1.8 parts of antioxidant, 1-5 parts of synergistic compatilizer and 2-8 parts of processing aid.
2. The warm edge spacing strip for hollow glass according to claim 1, wherein the raw material for making the warm edge spacing strip further comprises 0.1-3 parts of color masterbatch.
3. The warm edge spacer for hollow glass according to claim 1 or 2, wherein the compatibilizer is at least one of acrylonitrile-butadiene-styrene grafted acrylic acid, acrylonitrile-butadiene-styrene grafted glycidyl methacrylate, acrylonitrile-butadiene-styrene grafted maleic anhydride, acrylonitrile-butadiene-styrene multi-monomer grafted maleic anhydride, and acrylonitrile-butadiene-styrene grafted methyl methacrylate.
4. The warm edge spacer for hollow glass according to claim 1 or 2, wherein the antioxidant is at least one of antioxidant 168, antioxidant 1076, antioxidant 1010, antioxidant 626 and antioxidant 412S;
the synergistic compatilizer is at least one of succinimide, hydroxyl imide, bismaleimide and polyamide imide.
5. A warm edge spacer for insulating glass according to claim 1 or 2, wherein the processing aid is at least one of epoxy acrylate, polyol benzoate, dioctyl adipate, methyl methacrylate, di-n-butyl phthalate, and benzhydryl diisocyanate.
6. A warm edge spacer for insulating glass according to claim 1 or 2, wherein the color concentrate is one of color concentrates different in color.
7. The warm edge spacer for hollow glass as claimed in claim 6, wherein the color masterbatch is black color masterbatch.
8. A method of making a warm-edge spacer for insulating glass according to any of claims 1 to 7, comprising the steps of, in order:
(1) pre-drying the acrylonitrile-butadiene-styrene resin;
(2) uniformly mixing dried acrylonitrile-butadiene-styrene resin, glass fiber, a compatilizer, an antioxidant, a synergistic compatilizer and a processing aid in a high-speed mixer, adding the mixture into a double-screw extruder, extruding from a die orifice, and granulating to obtain a master batch;
(3) and (3) performing melt extrusion and molding on the master batch through a single-screw extruder, and coating the master batch with a composite film to obtain the product.
9. The method for preparing a warm edge spacer for hollow glass according to claim 8, wherein the color masterbatch is added to the high-speed mixer together with other components in the step (2) to be mixed uniformly; and (4) mixing the color master batch and the master batch in the step (3) and adding the mixture into a single-screw extruder.
10. The method for preparing a warm edge spacer for hollow glass according to claim 8 or 9, wherein in the step (1), the acrylonitrile-butadiene-styrene resin is pre-dried at 80 ~ ℃ for 2 ~ hours, in the step (2), the mixing time is 15 to 60 minutes, the rotation speed is 600 to 3000 rpm, the screw rotation speed is 50 to 200 rpm, and the feeding speed is 300 to 650 kg/h, the temperature of each section of the twin-screw extruder is set to be ~ ℃, 183 ~ ℃, 187 ~ ℃, 188 ~ 193 ℃, 179 ~ ℃ and 186 ℃, in the step (3), the rotation speed of the screw is 300 to 600 rpm, the feeding speed is 10 to 30 kg/h, and the temperature of each section of the single-screw extruder is set to be 187 ~ 192 ℃, ~, 197, 46205, 206 ~, 210, 198 ~ and 205 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910892693.2A CN110591278A (en) | 2019-09-20 | 2019-09-20 | Warm edge spacing strip for hollow glass and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910892693.2A CN110591278A (en) | 2019-09-20 | 2019-09-20 | Warm edge spacing strip for hollow glass and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110591278A true CN110591278A (en) | 2019-12-20 |
Family
ID=68861858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910892693.2A Pending CN110591278A (en) | 2019-09-20 | 2019-09-20 | Warm edge spacing strip for hollow glass and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110591278A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113174120A (en) * | 2021-03-03 | 2021-07-27 | 快思瑞科技(上海)有限公司 | Light glass fiber reinforced ABS composite board material and board preparation method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101759975A (en) * | 2008-11-21 | 2010-06-30 | 上海普利特复合材料股份有限公司 | Heat-resistant glass fiber-reinforced PC/ABC composite material and preparation method thereof |
| CN103254614A (en) * | 2012-02-16 | 2013-08-21 | 合肥杰事杰新材料股份有限公司 | Bismaleimide modified thermoplastics and preparation method thereof |
-
2019
- 2019-09-20 CN CN201910892693.2A patent/CN110591278A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101759975A (en) * | 2008-11-21 | 2010-06-30 | 上海普利特复合材料股份有限公司 | Heat-resistant glass fiber-reinforced PC/ABC composite material and preparation method thereof |
| CN103254614A (en) * | 2012-02-16 | 2013-08-21 | 合肥杰事杰新材料股份有限公司 | Bismaleimide modified thermoplastics and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113174120A (en) * | 2021-03-03 | 2021-07-27 | 快思瑞科技(上海)有限公司 | Light glass fiber reinforced ABS composite board material and board preparation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103819927B (en) | A kind of light-colored antistatic liquid crystal polymer composite and preparation method thereof | |
| CN105524456A (en) | Glass fiber reinforced nylon heat insulating strip used for aluminum alloy doors and windows as well as preparation method thereof | |
| CN105111734B (en) | A kind of use in construction of door and window heat insulating strip of inorganic fill nylon composite materials | |
| CN104592722A (en) | High-luster low-warpage glass fiber reinforced PBT/PP (Polybutylene Terephthalate/Polypropylene) alloy and preparation method thereof | |
| CN110591278A (en) | Warm edge spacing strip for hollow glass and preparation method thereof | |
| CN111548623A (en) | High-rigidity high-strength nylon heat insulation strip and preparation method thereof | |
| CN102585370B (en) | Method for manufacturing bamboo/wood-based lining plastic doors and windows | |
| CN108034231A (en) | A kind of outdoor used in air exchange fan high-low temperature resistant high-dimensional stability and the PA composite materials of anti-UV agings and preparation method thereof | |
| CN112126225A (en) | High-temperature-resistant and high-strength nylon heat insulation strip and manufacturing method thereof | |
| CN105111733B (en) | A kind of use in construction of door and window heat insulating strip of enhancing nylon composite materials | |
| CN103865215A (en) | Special material for white polyvinylidene fluoride and preparation method of special material | |
| CN108503976B (en) | Modified polyvinyl chloride material and preparation method thereof | |
| CN110551341A (en) | Warm edge spacing bar and preparation method thereof | |
| CN109627702A (en) | A kind of Degradable environment protection polymer composite | |
| CN109553933B (en) | Thermoplastic polymer composite material with high nail-holding power and preparation method and application thereof | |
| CN105111615A (en) | Energy-saving light-weight architectural wood-plastic decorating material | |
| CN105037949A (en) | Novel modified polypropylene plastic | |
| CN116731509B (en) | Nylon 66 toughened heat insulation strip and preparation method thereof | |
| CN108752736A (en) | A kind of novel heat insulation door and window composite material and preparation method | |
| CN109206801A (en) | A kind of polyvinylidene difluoride film and preparation method thereof | |
| CN115160708B (en) | Preparation method of low-viscosity benzoxazine modified PVC (polyvinyl chloride) by reactive plasticizer | |
| CN106947174A (en) | A kind of louver lamina composite and its method for preparing the louver lamina | |
| CN104845258A (en) | Glass fiber reinforced aging resistant PET/PTT alloy and preparation method thereof | |
| CN107189328A (en) | A kind of ABS resin composition and preparation method thereof | |
| CN105131595A (en) | Thermal insulation strip made of high-impact-resistant nylon composite and used for doors and windows of building |
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: 20191220 |
|
| RJ01 | Rejection of invention patent application after publication |