CN105985583A - Preparation method of rubber-plastic soft-magnetism antifreeze plate for wireless charging - Google Patents

Preparation method of rubber-plastic soft-magnetism antifreeze plate for wireless charging Download PDF

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Publication number
CN105985583A
CN105985583A CN201610390440.1A CN201610390440A CN105985583A CN 105985583 A CN105985583 A CN 105985583A CN 201610390440 A CN201610390440 A CN 201610390440A CN 105985583 A CN105985583 A CN 105985583A
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Prior art keywords
rubber
wireless charging
preparation
antifreeze plate
plastic soft
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CN201610390440.1A
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杜军杰
赵宇航
刘立东
叶怡婷
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Hengdian Group DMEGC Magnetics Co Ltd
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Hengdian Group DMEGC Magnetics Co Ltd
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Priority to CN201610390440.1A priority Critical patent/CN105985583A/en
Publication of CN105985583A publication Critical patent/CN105985583A/en
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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
    • C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/04—Ingredients characterised by their shape and organic or inorganic ingredients
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/22—Component parts, details or accessories; Auxiliary operations
    • B29B7/28—Component parts, details or accessories; Auxiliary operations for measuring, controlling or regulating, e.g. viscosity control
    • B29B7/286—Component parts, details or accessories; Auxiliary operations for measuring, controlling or regulating, e.g. viscosity control measuring properties of the mixture, e.g. temperature, density
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58—Component parts, details or accessories; Auxiliary operations
    • B29B7/72—Measuring, controlling or regulating
    • B29B7/726—Measuring properties of mixture, e.g. temperature or density
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58—Component parts, details or accessories; Auxiliary operations
    • B29B7/72—Measuring, controlling or regulating
    • B29B7/728—Measuring data of the driving system, e.g. torque, speed, power, vibration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/58—Measuring, controlling or regulating
    • 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
    • C08K3/02—Elements
    • 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
    • C08K3/02—Elements
    • C08K3/08—Metals
    • 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
    • C08K7/00—Use of ingredients characterised by shape
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
    • C08L9/02—Copolymers with acrylonitrile
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/147—Alloys characterised by their composition
    • H01F1/14766—Fe-Si based alloys
    • H01F1/14791—Fe-Si-Al based alloys, e.g. Sendust
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
    • H01F41/0266—Moulding; Pressing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0205—Magnetic circuits with PM in general
    • H01F7/021—Construction of PM
    • H01F7/0215—Flexible forms, sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/58—Measuring, controlling or regulating
    • B29C2043/5816—Measuring, controlling or regulating temperature
    • 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
    • C08K3/02—Elements
    • C08K2003/023—Silicon
    • 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
    • C08K3/02—Elements
    • C08K3/08—Metals
    • C08K2003/0812—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
    • C08K3/02—Elements
    • C08K3/08—Metals
    • C08K2003/0856—Iron
    • 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
    • C08K2201/01—Magnetic additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/20—Applications use in electrical or conductive gadgets
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Thermal Sciences (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Soft Magnetic Materials (AREA)

Abstract

The invention discloses a preparation method of a rubber-plastic soft-magnetism antifreeze plate for wireless charging. The method comprises the following steps: using a high-polymer material as an adhesive, using flaky soft-magnetism powder as a filler, and using one or more of a vulcanizing agent, an anti-aging agent, a powder coupling agent and a plasticizer as an auxiliary material; after milling the high-polymer adhesive in an open mill, adding the auxiliary material and flaky soft-magnetism powder, and compounding uniformly by banburying; crushing the compounded material with a crusher to obtain particles or powder; adding the crushed material into a preheated calender, and carrying out discharging and calendering forming; and finally, carrying out vulcanization treatment according to the type of the added adhesive. The method has the advantages of simple technique, high controllability, lower facility requests and high production efficiency. The prepared magnetic plate has high-magnetic-permeability high-inductivity high-Q-value magnetism isolating property, and has the characteristics of favorable mechanical properties, high processability and the like.

Description

A kind of preparation method of wireless charging rubber and plastic soft magnetism antifreeze plate
Technical field
The present invention relates to wireless charging correlative technology field, refer in particular to a kind of wireless charging rubber and plastic soft magnetism The preparation method of antifreeze plate.
Background technology
Wireless charging technology is application electromagnetic induction principle and relevant alternating current impression technology, is sending and is connecing Receiving end sends with corresponding coil and receives and produces the skill that the AC signal of sensing is charged Art.Wireless charger antifreeze plate is specific to a device of wireless charging, and its Main Function is in nothing Line charging process reduces magnetic interference, improves charge efficiency.Traditional wireless charging receiving terminal antifreeze plate Generally using ferrite cast sheet prepared by sintering process, this antifreeze plate has high magnetic permeability, low-loss Feature, but production efficiency is low, cost is high, magnetic sheet is frangible simultaneously, be difficult to processing, this limits significantly It uses.
Summary of the invention
The present invention is to there is above-mentioned deficiency in prior art to overcome, it is provided that a kind of production efficiency high and Preparation method every the good wireless charging rubber and plastic soft magnetism antifreeze plate of magnetic property.
To achieve these goals, the present invention is by the following technical solutions:
The preparation method of a kind of wireless charging rubber and plastic soft magnetism antifreeze plate, comprises the steps:
(1) select macromolecular material as binding agent, select lamellar soft magnet powder as filler, select sulfur One or more in agent, age resistor, powder body coupling agent, plasticizer are as auxiliary material；
(2) high polymer binder after mill, is added auxiliary material and lamellar soft magnet powder is led in mill Cross banburying process mixing uniformly；
(3) the material crusher in crushing after mixing is become granule or powdery；
(4) material after crushing again joins slice calendering formation on preheated calender；
(5) vulcanizing treatment is carried out finally according to the types of binder added.
The present invention uses macromolecular material to pass through pressure with using lamellar soft magnet powder as filler as binding agent Prolong technique and prepare the flexible antifreeze plate with high magnetic permeability, high q-factor, high inductance, this preparation method work Skill is simple, it is easy to control, and relatively low to equipment requirements, and production efficiency is high.
As preferably, in step (1), described macromolecular material is rubber or thermoplastic, tool Body be neoprene, nitrile rubber, EP rubbers, fluorubber, silicone rubber, CPE, PVC, TPE, One or more in TPO.By regulation and control macromolecular material component, with improve magnetic sheet every magnetic property and Regulation magnetic sheet mechanical property.
As preferably, in step (1), described lamellar soft magnet powder is to have the magnetic of high intrinsic pcrmeability One or more in powder, specifically ferrum sial, ferrum silicon, ferrum nickel molybdenum, carbonyl iron.By regulation and control lamellar Soft magnet powder component, with improve magnetic sheet every magnetic property and regulation magnetic sheet mechanical property.
As preferably, in step (1), described vulcanizing agent is sulfur, peroxide, quinones chemical combination One or more in thing, described age resistor is the one or many in anti-aging agent RD, age resistor CPPD Kind；Described powder body coupling agent is in Aluminate coupling agent, titanate coupling agent, aluminium titanium composite coupler One or more, described plasticizer is the one in epoxy soybean oil, phthalic acid lipid or many Kind.According to binding agent requirement, the one of which or several being not added with, adding in auxiliary material, by regulation and control Auxiliary material component, with improve magnetic sheet every magnetic property and regulation magnetic sheet mechanical property.
As preferably, in step (1), described binding agent, filler, auxiliary material ratio as follows: It is 80-94% that filler accounts for the mass percent of three's summation, and binding agent accounts for the mass percent of three's summation For 6-20%, auxiliary material accounts for the mass percent of three's summation for less than 2%.
As preferably, in step (2), the mill technique of employing is: mixing temperature at 35-70 DEG C, Mill thickness is at 0.8-1mm；Use banburying process be: banburying temperature at 80-160 DEG C, banburying air pressure In 0.3-0.8MPa, 10-40 minute banburying time.Wherein: the banburying equipment used in banburying process is wanted Ask and possess heating, pressurization, refrigerating function.
As preferably, in step (3), in described disintegrating machine, mesh size is 2-10mm.
As preferably, in step (4), the preheating temperature of described calender is at 35-90 DEG C.Wherein: Calender require possess heating and refrigerating function, by optimize calendering technology parameter, with improve magnetic sheet every Magnetic property.
As preferably, in step (5), the sulfuration process of employing is: curing temperature is 120-170 DEG C, Cure time is 0-60 minute.Depending on curing temperature and time are according to selected binding agent.
The invention has the beneficial effects as follows: technique is simple, it is easy to control, and relatively low to equipment requirements, raw Product efficiency is high, prepare the magnetic sheet of gained have high magnetic permeability, high inductance, high q-factor every magnetic property, with Time the features such as to have mechanical property good, and machinability is strong, it is adaptable to mobile phone, computer, wearable device etc. The receiving terminal of wireless charging device.
Accompanying drawing explanation
Fig. 1 is that the magnetic sheet pcrmeability preparing gained in embodiment one is with frequency variation curve figure；
Fig. 2 is that the magnetic sheet pcrmeability preparing gained in embodiment two is with frequency variation curve figure.
Detailed description of the invention
The present invention will be further described with detailed description of the invention below in conjunction with the accompanying drawings.
Embodiment one:
Selection ethylene propylene diene rubber EPDM:7.3 part, lamellar ferrum aluminum silicon powder: 92 parts, anti-aging agent RD: 0.1 part, vulcanizing agent DCP:0.3 part and titanate coupling agent: 0.3 part.First EPDM rubber is existed Mill in mill, mixing temperature: 50 DEG C, mill thickness: 0.8-1mm, add anti-aging agent RD, sulfur Agent DCP, plays triangle bag 5 times mixing uniformly, then the rubber after mixing is joined banburying in banbury, Addition lamellar ferrum aluminum silicon powder and titanate coupling agent, banburying temperature: 120 DEG C, banburying air pressure: 0.6MPa, 28 minutes banburying time.Material is poured out in disintegrating machine broken by banburying after completing, broken mesh size is 6mm.Will broken after material join slice calendering formation on preheated calender, wherein calender Preheating temperature is 45 DEG C, and slowly regulation calendar rolls is the magnetic sheet of 0.3mm away from prepared thickness, then by magnetic sheet Put in vulcanizing oven and vulcanize, curing temperature: 170 DEG C, cure time: 30 minutes.Finally, by sulfur The RX coil of small pieces and 48mmx32mm that the magnetic sheet changed cuts into 48mmx32mmx0.3mm glues Close detection inductance, take a part of magnetic sheet and be die-cut into φ 14mmx φ 8.5mm annulus detection pcrmeability.
Prepared magnetic sheet and receiving terminal coil are fitted in HP Precision LCR meter 4284A tester Upper test, tests frequency: 125kHz, voltage: 250mV；Test result: inductance 11.05 μ H, Q Value 35.
The φ 14mm x φ 8.5mm annulus being washed into is surveyed in Agilent E4991A material electric impedance analyzer Examination pcrmeability, test result is as shown in Figure 1.As seen from Figure 1, magnetic sheet is under the frequency of 1MHz Pcrmeability real part (μ ') be 30.
Embodiment two:
Selection nitrile rubber NBR:6.3 part, silicone rubber SR:2 part, lamellar ferrum aluminum silicon powder: 80 parts, Carbonyl iron dust: 10 parts, sulfur: 0.3 part, anti-aging agent RD: 0.1 part, epoxy soybean oil: 0.3 part. First by SR and NBR rubber mill in mill, mixing temperature: 45 DEG C, mill thickness: 0.8-1mm, Add anti-aging agent RD and sulfur, play triangle bag 5 times mixing uniformly, then the rubber after mixing is joined Banburying in banbury, leaves after adding lamellar ferrum aluminum silicon powder, carbonyl iron dust and epoxy soybean oil mix homogeneously Beginning banburying, banburying temperature: 95 DEG C, banburying air pressure: 0.6MPa, 23 minutes banburying time.Banburying completes After material poured out in disintegrating machine broken, broken mesh size is 5mm.Material after broken is joined pre- Slice calendering formation on the calender that heat is good, wherein the preheating temperature of calender is 45 DEG C, slowly regulates pressure Prolong machine roll spacing and prepare the magnetic sheet that thickness is 0.3mm, then magnetic sheet is put into sulfuration in vulcanizing oven, sulfuration temperature Degree: 160 DEG C, cure time: 25 minutes.Finally the magnetic sheet vulcanizated is cut into The small pieces of 48mmx32mmx0.3mm and the RX coil bonding detection inductance of 48mmx32mm, take one Part magnetic sheet is die-cut into φ 14mmx φ 8.5mm annulus detection pcrmeability.
Prepared magnetic sheet and receiving terminal coil are fitted in HP Precision LCR meter 4284A tester Upper test, tests frequency: 125kHz, voltage: 250mV；Test result: inductance 12.5 μ H, Q Value 42.
The φ 14mmx φ 8.5mm annulus being washed into is surveyed in Agilent E4991A material electric impedance analyzer Examination pcrmeability, test result is as shown in Figure 2.As seen from Figure 2, magnetic sheet is under the frequency of 1MHz Pcrmeability real part (μ ') be 45.

Claims (9)

1. a wireless charging preparation method for rubber and plastic soft magnetism antifreeze plate, is characterized in that, comprise the steps:
(1) select macromolecular material as binding agent, select lamellar soft magnet powder as filler, select vulcanizing agent, One or more in age resistor, powder body coupling agent, plasticizer are as auxiliary material；
(2) high polymer binder after mill, is added auxiliary material and lamellar soft magnet powder by close in mill Sweetening process is mixing uniformly；
(3) the material crusher in crushing after mixing is become granule or powdery；
(4) material after crushing again joins slice calendering formation on preheated calender；
(5) vulcanizing treatment is carried out finally according to the types of binder added.
The preparation method of a kind of wireless charging rubber and plastic soft magnetism antifreeze plate the most according to claim 1, its feature It is that, in step (1), described macromolecular material is rubber or thermoplastic, specifically neoprene rubber In glue, nitrile rubber, EP rubbers, fluorubber, silicone rubber, CPE, PVC, TPE, TPO One or more.
The preparation method of a kind of wireless charging rubber and plastic soft magnetism antifreeze plate the most according to claim 1, its feature It is that, in step (1), described lamellar soft magnet powder is to have the magnetic powder of high intrinsic pcrmeability, specifically One or more in ferrum sial, ferrum silicon, ferrum nickel molybdenum, carbonyl iron.
The preparation method of a kind of wireless charging rubber and plastic soft magnetism antifreeze plate the most according to claim 1, its feature It is that, in step (1), described vulcanizing agent is the one in sulfur, peroxide, quinones Or multiple, described age resistor is one or more in anti-aging agent RD, age resistor CPPD；Described Powder body coupling agent be the one in Aluminate coupling agent, titanate coupling agent, aluminium titanium composite coupler or Multiple, described plasticizer is one or more in epoxy soybean oil, phthalic acid lipid.
5. according to the preparation of a kind of wireless charging rubber and plastic soft magnetism antifreeze plate described in claim 1 or 2 or 3 or 4 Method, is characterized in that, in step (1), described binding agent, filler, auxiliary material ratio such as Under: it is 80-94% that filler accounts for the mass percent of three's summation, and binding agent accounts for the quality hundred of three's summation Proportion by subtraction is 6-20%, and auxiliary material accounts for the mass percent of three's summation for less than 2%.
The preparation method of a kind of wireless charging rubber and plastic soft magnetism antifreeze plate the most according to claim 1, its feature It is that, in step (2), the mill technique of employing is: mixing temperature is at 35-70 DEG C, and mill thickness exists 0.8-1mm；Use banburying process be: banburying temperature at 80-160 DEG C, banburying air pressure at 0.3-0.8MPa, 10-40 minute banburying time.
The preparation method of a kind of wireless charging rubber and plastic soft magnetism antifreeze plate the most according to claim 1, its feature It is that, in step (3), in described disintegrating machine, mesh size is 2-10mm.
The preparation method of a kind of wireless charging rubber and plastic soft magnetism antifreeze plate the most according to claim 1, its feature It is that, in step (4), the preheating temperature of described calender is at 35-90 DEG C.
The preparation method of a kind of wireless charging rubber and plastic soft magnetism antifreeze plate the most according to claim 1, its feature It is that, in step (5), the sulfuration process of employing is: curing temperature is 120-170 DEG C, cure time For 0-60 minute.
CN201610390440.1A 2016-06-02 2016-06-02 Preparation method of rubber-plastic soft-magnetism antifreeze plate for wireless charging Pending CN105985583A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
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CN108053008A (en) * 2017-11-29 2018-05-18 横店集团东磁股份有限公司 A kind of high frequency RFID electronic label antifreeze plate and preparation method thereof
CN108129758A (en) * 2017-12-25 2018-06-08 山东非金属材料研究所 A kind of pattern-band traveling wave inhibits sheet material
CN110876278A (en) * 2019-02-01 2020-03-10 江苏金羿先磁新材料科技有限公司 Magnetic shielding sheet with fragrance and preparation method and application thereof
CN112080050A (en) * 2020-09-24 2020-12-15 横店集团东磁股份有限公司 Flexible magnetic shielding material and preparation method thereof
CN114613567A (en) * 2022-04-13 2022-06-10 湖南金磁电子有限公司 Plastic soft magnetic conductive and wireless charging magnetic isolation device and preparation method and application thereof

Citations (4)

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