CN106832602A - Corrosion-and high-temp-resistant diaphragm - Google Patents
Corrosion-and high-temp-resistant diaphragm Download PDFInfo
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- CN106832602A CN106832602A CN201710099217.6A CN201710099217A CN106832602A CN 106832602 A CN106832602 A CN 106832602A CN 201710099217 A CN201710099217 A CN 201710099217A CN 106832602 A CN106832602 A CN 106832602A
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/14—Copolymers of propene
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- 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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- 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
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/14—Copolymers of propene
-
- 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
- C08J2453/00—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
- C08J2453/02—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers of vinyl aromatic monomers and conjugated dienes
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- 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
- C08J2491/00—Characterised by the use of oils, fats or waxes; Derivatives thereof
- C08J2491/06—Waxes
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- 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
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- 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
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
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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
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
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Abstract
The invention discloses corrosion-and high-temp-resistant diaphragm, by weight by 55.8 75.8 parts of atactic copolymerized polypropene, 10 30 parts of high temperature resistant composite toughing agent, 0.1 0.3 parts of heat stabilizer, 28 parts of nucleator, 0.5 1.5 parts of antioxidant, 3 13 parts of compatilizer, through double screw extruder in blending and modifying at 200 240 DEG C after obtain diaphragm special raw material, diaphragm is prepared from by diaphragm special raw material.With advantages below：High temperature resistant, it is corrosion-resistant；The service life under high temperature, strong acid, basic conditions effectively is extended, use cost is reduced；There is product the performance that resistant to elevated temperatures characteristic also implies that product and has high voltage performance, product to be greatly improved.
Description
Technical field
It is specifically a kind of resistance to for the high temperature resistant in filter press the invention belongs to filter press diaphragm technical field
Corrosion diaphragm.
Background technology
With the development of solid-liquid separation technique, the field using filter press process route is constantly expanding.At present extensively
Ground is used by industries such as mine, coal, chemical industry, food, medicine, pigment, biological products, environmental protection, sewage disposals.As application is led
The expansion in domain, occurs in that some problems in the application.Under high temperature, hyperbaric environment, under strong acid, strong alkali environment, the diaphragm of filter press
Performance and service life cannot meet the use requirement of above-mentioned environment, limit its use in particular circumstances.Specifically
Problem is as follows：
1st, in the environment of high temperature (80-100 DEG C), membrane ruggedness is decreased obviously, easy fracture；
2nd, in the environment of high temperature (80-100 DEG C), the elasticity of diaphragm is recovered substantially to reduce, yielding, does not reset, and causes to lead to
Road is blocked, and forms empty room, causes filter plate to be broken；
3rd, under strong acid, strong alkali environment, diaphragm has Swelling, causes empty room, is broken filter plate；
Above mentioned problem makes current filter plate service life less than six months, increased the production cost of user.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of corrosion-and high-temp-resistant diaphragm, improve diaphragm
High temperature resistant, decay resistance, make the performance of diaphragm more uniform.
In order to solve the above technical problems, a kind of corrosion-and high-temp-resistant diaphragm that the present invention is provided, by weight will
55.8-75.8 parts of atactic copolymerized polypropene, 10-30 parts of high temperature resistant composite toughing agent, 0.1-0.3 parts of heat stabilizer, 2-8
The nucleator, 0.5-1.5 parts of antioxidant, 3-13 parts of compatilizer of part, are blended at 200-240 DEG C through double screw extruder and change
Property after obtain diaphragm special raw material, diaphragm is prepared from by diaphragm special raw material.
Atactic copolymerized polypropene has good shock resistance；Toughener can increase toughness, improve composite and resist
The auxiliary agent of impact property；Nucleator accelerates crystalline rate, increases crystal density and promote crystalline substance by changing the crystallization behavior of resin
Particle size miniaturization, reaches shortening molding cycle, improves the product transparency, lustrous surface, tensile strength, rigidity, thermal deformation temperature
The function additive of the physical and mechanical properties such as degree, impact resistance, creep resistance；Antioxidant prevents polymer aging and extends it to make
Use the life-span；Compatilizer promote incompatible polymers combine one, and then the blend stablized auxiliary agent；Ensure each material
Matter is mixed well, the performance of material is more uniformed.
Preferably, 60.8-70.8 parts of atactic copolymerized polypropene, 15-25 parts of high temperature resistant are combined by weight
Toughener, 0.15-0.25 part of heat stabilizer, 4-6 parts of nucleator, 0.75-1.25 parts of antioxidant, 6-10 parts compatible
Agent, through double screw extruder in blending and modifying at 210-240 DEG C after obtain diaphragm special raw material, diaphragm is special by diaphragm
Raw material is prepared from.
Preferably, the high temperature resistant composite toughing agent by mass fraction 5-15 parts talcum powder, 35-45 parts of white oil,
45-55 parts of hydrogenated styrene-butadiene block copolymer composition.
Preferably, the heat stabilizer is the one kind in calcium stearate, magnesium stearate, zinc stearate.
Preferably, the nucleator is the one kind in nano-calcium carbonate, talcum powder, silica.
Preferably, the antioxidant is the one kind in antioxidant 1010, antioxidant 1076, irgasfos 168.
Preferably, the compatilizer is high density polyethylene (HDPE).
After using above structure, a kind of corrosion-and high-temp-resistant diaphragm of the invention compared with prior art, with following
Advantage：High temperature resistant, it is corrosion-resistant；The service life under high temperature, strong acid, basic conditions effectively is extended, use cost is reduced；
There is product the performance that resistant to elevated temperatures characteristic also implies that product and has high voltage performance, product to be greatly improved.
Specific embodiment
The present invention is further described by the following embodiment.
Embodiment 1：
By weight by 55.8 parts of atactic copolymerized polypropene, 24 parts of high temperature resistant composite toughing agent, 0.25 part hard
Resin acid calcium, 7 parts of nano-calcium carbonate, 0.95 part of antioxidant 1010,12 parts of high density polyethylene (HDPE), exist through double screw extruder
Diaphragm special raw material is obtained at 200-240 DEG C after blending and modifying, diaphragm is prepared from by diaphragm special raw material.
The high temperature resistant composite toughing agent by 10 parts of mass fraction talcum powder, 40 parts of white oil, 50 parts of hydrogenation of benzene second
Alkene-butadiene block copolymer (SEBS) is constituted.
Survey report 1
The heat distortion temperature of diaphragm is at 94 DEG C as can be seen from the table, that is to say, that can just occur under 94 DEG C of high temperature
Deformation, diaphragm can use in high temperature environments, in high temperature environments using also implying that and can make under hyperbaric environment
With in addition, diaphragm soaks 48 hours in strong acid, strong base solution also not changing, illustrating the anti-strong acid and strong base of diaphragm.
The diaphragm high temperature resistant, high pressure resistant, corrosion-resistant that i.e. the present embodiment is provided.
Embodiment 2：
By weight by 60 parts of atactic copolymerized polypropene, 22 parts of high temperature resistant composite toughing agent, 0.25 part of tristearin
Sour magnesium, 6 parts of talcum powder, 0.95 part of antioxidant 1076,10.8 parts of high density polyethylene (HDPE), through double screw extruder in 200-
Diaphragm special raw material is obtained at 240 DEG C after blending and modifying, diaphragm is prepared from by diaphragm special raw material.
The high temperature resistant composite toughing agent by 12 parts of mass fraction talcum powder, 35 parts of white oil, 53 parts of hydrogenation of benzene second
Alkene-butadiene block copolymer (SEBS) is constituted.
Survey report 2
The heat distortion temperature of diaphragm is at 95 DEG C as can be seen from the table, that is to say, that can just occur under 95 DEG C of high temperature
Deformation, diaphragm can use in high temperature environments, in high temperature environments using also implying that and can make under hyperbaric environment
With in addition, diaphragm soaks 48 hours in strong acid, strong base solution also not changing, illustrating the anti-strong acid and strong base of diaphragm.
The diaphragm high temperature resistant, high pressure resistant, corrosion-resistant that i.e. the present embodiment is provided.
Embodiment 3：
By weight by 65.8 parts of atactic copolymerized polypropene, 20 parts of high temperature resistant composite toughing agent, 0.2 part of tristearin
Sour zinc, 5 parts of silica, 1 part of irgasfos 168,8 parts of high density polyethylene (HDPE), through double screw extruder at 200-240 DEG C
Diaphragm special raw material is obtained after lower blending and modifying, diaphragm is prepared from by diaphragm special raw material.
The high temperature resistant composite toughing agent by 10 parts of mass fraction talcum powder, 40 parts of white oil, 50 parts of hydrogenation of benzene second
Alkene-butadiene block copolymer (SEBS) is constituted.
Survey report 3
The heat distortion temperature of diaphragm is at 97 DEG C as can be seen from the table, that is to say, that can just occur under 97 DEG C of high temperature
Deformation, diaphragm can use in high temperature environments, in high temperature environments using also implying that and can make under hyperbaric environment
With in addition, diaphragm soaks 48 hours in strong acid, strong base solution also not changing, illustrating the anti-strong acid and strong base of diaphragm.
The diaphragm high temperature resistant, high pressure resistant, corrosion-resistant that i.e. the present embodiment is provided.
Embodiment 4：
By weight by 62 parts of atactic copolymerized polypropene, 30 parts of high temperature resistant composite toughing agent, 0.2 part of stearic acid
Zinc, 3 parts of silica, 1.5 parts of irgasfos 168,3.3 parts of high density polyethylene (HDPE), through double screw extruder in 200-240
Diaphragm special raw material is obtained at DEG C after blending and modifying, diaphragm is prepared from by diaphragm special raw material.
The high temperature resistant composite toughing agent by 12 parts of mass fraction talcum powder, 40 parts of white oil, 48 parts of hydrogenation of benzene second
Alkene-butadiene block copolymer (SEBS) is constituted.
Survey report 4
The heat distortion temperature of diaphragm is at 90 DEG C as can be seen from the table, that is to say, that can just occur under 90 DEG C of high temperature
Deformation, diaphragm can use in high temperature environments, in high temperature environments using also implying that and can make under hyperbaric environment
With in addition, diaphragm soaks 48 hours in strong acid, strong base solution also not changing, illustrating the anti-strong acid and strong base of diaphragm.
The diaphragm high temperature resistant, high pressure resistant, corrosion-resistant that i.e. the present embodiment is provided.
Claims (7)
1. a kind of corrosion-and high-temp-resistant diaphragm, it is characterised in that：By weight by 55.8-75.8 parts of random copolymerization poly- third
Alkene, 10-30 part of high temperature resistant composite toughing agent, 0.1-0.3 parts of heat stabilizer, 2-8 parts of nucleator, 0.5-1.5 parts anti-
Oxygen agent, 3-13 parts of compatilizer, through double screw extruder in blending and modifying at 200-240 DEG C after obtain diaphragm special raw material,
Diaphragm is prepared from by diaphragm special raw material.
2. corrosion-and high-temp-resistant diaphragm according to claim 1, it is characterised in that：By weight by 60.8-70.8
Part atactic copolymerized polypropene, 15-25 parts of high temperature resistant composite toughing agent, 0.15-0.25 parts of heat stabilizer, 4-6 parts into
Core agent, 0.75-1.25 parts of antioxidant, 6-10 parts of compatilizer, through double screw extruder in blending and modifying at 210-240 DEG C after
Diaphragm special raw material is obtained, diaphragm is prepared from by diaphragm special raw material.
3. corrosion-and high-temp-resistant diaphragm according to claim 2, it is characterised in that：The high temperature resistant composite toughing agent by
Mass fraction 5-15 parts of talcum powder, 35-45 parts of white oil, 45-55 parts of hydrogenated styrene-butadiene block copolymer group
Into.
4. corrosion-and high-temp-resistant diaphragm according to claim 2, it is characterised in that：The heat stabilizer is stearic acid
One kind in calcium, magnesium stearate, zinc stearate.
5. corrosion-and high-temp-resistant diaphragm according to claim 2, it is characterised in that：The nucleator is nano-calcium carbonate
One kind in calcium, talcum powder, silica.
6. corrosion-and high-temp-resistant diaphragm according to claim 2, it is characterised in that：The antioxidant is antioxidant
1010th, one kind in antioxidant 1076, irgasfos 168.
7. corrosion-and high-temp-resistant diaphragm according to claim 2, it is characterised in that：The compatilizer is high-density polyethylene
Alkene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710099217.6A CN106832602A (en) | 2017-02-23 | 2017-02-23 | Corrosion-and high-temp-resistant diaphragm |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710099217.6A CN106832602A (en) | 2017-02-23 | 2017-02-23 | Corrosion-and high-temp-resistant diaphragm |
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| CN106832602A true CN106832602A (en) | 2017-06-13 |
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| CN201710099217.6A Pending CN106832602A (en) | 2017-02-23 | 2017-02-23 | Corrosion-and high-temp-resistant diaphragm |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107325536A (en) * | 2017-07-31 | 2017-11-07 | 苏州坤阳机械科技有限公司 | A kind of corrosion-and high-temp-resistant rack for test tube |
| CN108384115A (en) * | 2018-03-15 | 2018-08-10 | 苏州市和好塑业有限公司 | A kind of high temperature resistant anti-freezing packing box and preparation method thereof |
| CN109535574A (en) * | 2018-11-30 | 2019-03-29 | 河南大张过滤设备有限公司 | Plate in a kind of impact resistance membrane filter plate |
| CN109575500A (en) * | 2018-11-30 | 2019-04-05 | 河南大张过滤设备有限公司 | A kind of bi-material layers height rebound diaphragm |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101020775A (en) * | 2007-03-15 | 2007-08-22 | 复旦大学 | High strength and high toughness modified poly-propylene material |
| CN101073718A (en) * | 2006-08-01 | 2007-11-21 | 杭州兴源过滤机有限公司 | Integrated polypropylene diaphragm filter-plate structure and its formation |
| CN102304249A (en) * | 2011-09-20 | 2012-01-04 | 上海金发科技发展有限公司 | Super-tough high-ductility polypropylene compound and preparation method thereof |
| CN102653615A (en) * | 2012-05-23 | 2012-09-05 | 临海市四通制管有限公司 | Method for preparing blade of cooling fan of automobile engine |
| CN103819817A (en) * | 2014-03-11 | 2014-05-28 | 株洲时代新材料科技股份有限公司 | Polypropylene composition with high fluidity and high dimensional stability and preparation method thereof |
| CN104788817A (en) * | 2015-04-03 | 2015-07-22 | 洛阳理工学院 | Modified polypropylene composite toughening material and preparation method thereof |
-
2017
- 2017-02-23 CN CN201710099217.6A patent/CN106832602A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101073718A (en) * | 2006-08-01 | 2007-11-21 | 杭州兴源过滤机有限公司 | Integrated polypropylene diaphragm filter-plate structure and its formation |
| CN101020775A (en) * | 2007-03-15 | 2007-08-22 | 复旦大学 | High strength and high toughness modified poly-propylene material |
| CN102304249A (en) * | 2011-09-20 | 2012-01-04 | 上海金发科技发展有限公司 | Super-tough high-ductility polypropylene compound and preparation method thereof |
| CN102653615A (en) * | 2012-05-23 | 2012-09-05 | 临海市四通制管有限公司 | Method for preparing blade of cooling fan of automobile engine |
| CN103819817A (en) * | 2014-03-11 | 2014-05-28 | 株洲时代新材料科技股份有限公司 | Polypropylene composition with high fluidity and high dimensional stability and preparation method thereof |
| CN104788817A (en) * | 2015-04-03 | 2015-07-22 | 洛阳理工学院 | Modified polypropylene composite toughening material and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 刘西文: "《塑料注射成型技术实用教程》", 31 October 2013, 印刷工业出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107325536A (en) * | 2017-07-31 | 2017-11-07 | 苏州坤阳机械科技有限公司 | A kind of corrosion-and high-temp-resistant rack for test tube |
| CN108384115A (en) * | 2018-03-15 | 2018-08-10 | 苏州市和好塑业有限公司 | A kind of high temperature resistant anti-freezing packing box and preparation method thereof |
| CN109535574A (en) * | 2018-11-30 | 2019-03-29 | 河南大张过滤设备有限公司 | Plate in a kind of impact resistance membrane filter plate |
| CN109575500A (en) * | 2018-11-30 | 2019-04-05 | 河南大张过滤设备有限公司 | A kind of bi-material layers height rebound diaphragm |
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Application publication date: 20170613 |
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