CN102029394B - Method for preparing high-performance halogen-free environment-friendly rubber-plastic NdFeB (neodymium, iron and boron) extruded magnetic strip and magnetic strip - Google Patents
Method for preparing high-performance halogen-free environment-friendly rubber-plastic NdFeB (neodymium, iron and boron) extruded magnetic strip and magnetic strip Download PDFInfo
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- CN102029394B CN102029394B CN201010624101.8A CN201010624101A CN102029394B CN 102029394 B CN102029394 B CN 102029394B CN 201010624101 A CN201010624101 A CN 201010624101A CN 102029394 B CN102029394 B CN 102029394B
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Abstract
The invention discloses a method for preparing a high-performance halogen-free environment-friendly rubber-plastic NdFeB (neodymium, iron and boron) extruded magnetic strip, which is characterized by comprising the following steps: (1) raw material mixture preparation: preparing an even raw material mixture of NdFeB powder, coating agents and adhesives, wherein the particle size of the even raw material mixture is 10-200 nanometers; (2) film extrusion: setting an extrusion thickness range of an extruder, feeding the raw material mixture into the extruder, and carrying out continuous extrusion on the raw material mixture so as to obtain a plastic-magnetic film; (3) cutting: cutting the plastic-magnetic film according to the preset shape and size; (4) UV glazing: painting UV gloss oil on the surface of the obtained magnetic strip so as to form a layer of protective film on the surface of the magnetic strip; and (5) magnetization: putting the magnetic strip into a magnetic field to be magnetized, thereby obtaining a finished magnetic strip. The invention also discloses a high-performance halogen-free environment-friendly rubber-plastic NdFeB extruded magnetic strip prepared by the method. The invention can be widely used for manufacturing flexible rubber-plastic magnetic products.
Description
Technical field
The present invention relates to macromolecule compound mixture, be specifically related to a kind of high-performance halogen-free environment-friendly type rubber and plastic neodymium iron boron for the manufacture of high-performance electric magnetomotive equipment, employing nanometer technology and extrude preparation method and the magnetic stripe of magnetic stripe.
Background technology
Along with the development of society, particularly the developing rapidly of the technology such as various electric automobile, magnetic suspension train, high-performance motor, generator, makes the demand of high performance magnetic product increasing, also more and more higher to the characteristic requirements of product.
In prior art, bonded rare earth magnet processing method many employings mold pressing, injection and expressing technique, obtained magnet is all that rigidity is inelastic, and adopt mold pressing, injection molding technique more to need the mould of a large amount of different size, and need to carry out machined to size in the later stage, be unfavorable for the change of magnet specification, processing cost is higher.Although simultaneously rigidity magnet has higher magnetic property and certain freedom shape, the shortcoming such as automaticity not high, assembling inconvenience when there is motor application, and also the magnet being made into ultrathin (being less than 1.0mm) has certain difficulty.
Flexible bonding rare-earth magnet is a kind of new product of bonded rare earth magnet, be different from the rigid bond rare-earth magnet that injection moulding and mould pressing process are produced, take rubber as binding agent, employing rubber processing is produced, do not need a large amount of mould development expenses, production efficiency high, can free bend ftracture, product size can change arbitrarily, thickness can be less than 1 millimeter, be convenient to client assembles use, meet small and special electric machine to small-sized, ultra-thin, at a high speed, the requirement of high accuracy and low noise future development, market prospects are had an optimistic view of.Flexible adhesion permanent magnet has been widely used in the fields such as household electrical appliances, automobile, office automation, is in great demand.
In existing mass production techniques, the magnetic majority adopted is ferrite, although this type of ferrite bonded permanent magnet has certain antioxidant anticorrosive performance and good mechanical performance, magnetic property is lower, can not meet the application requirements such as high-performance small and special electric machine.Ndfeb magnet is the magnet finding that commercialization performance is the highest at present, is called magnetic king by people, has its maximum magnetic energy product of high magnetic property (BHmax) and exceeds more than 10 times, ferrite (Ferrite).Itself machining property is also suitable good, and operating temperature reaches as high as 200 degrees Celsius, and its quality is hard, and stable performance has good cost performance, therefore its application is extremely extensive.But because its chemism is very strong, so must to its surface coated treatment, as plating Zn, Ni, electrophoresis, passivation etc., technique be quite complicated, and manufacturing cost is higher.
Neodymium iron boron (Nd-Fe-B) material is a kind of novel third generation permanent-magnet material that domestic and international development in recent years is got up.Nd Fe B alloys chemical property is active, in process of production, often there is nature and catch fire or explosion phenomenon in its dusty material, this phenomenon even also likely occurs under low-temperature condition, have again the danger of blast when containing certain alloyed powder dust concentration in air, the normal production of safety of iron B permanent magnetic material by the emperor himself in serious threat.
In prior art, the neodymium iron boron powder of institute's production and selling, its granularity mostly is 100 ~ 200 orders, and it can meet the production of Sintered NdFeB magnet, and cannot meet the production of bonded permanent magnet, particularly can not meet the Production requirement of high-performance plastic magnetic product.Existingly mould magnetic product, all many-sides such as its pliability, impact resistance, resistance to elevated temperatures all also exist deficiency, and the product thickness produced is comparatively large, usually at more than 1mm, cannot meet the demand of the product such as micro motor, small and special electric machine.
The preparation method of bonding rubber and plastic magnetic of the prior art, as Chinese patent application 200410052150.3, name is called disclosed in " a kind of manufacture method of flexible adhesion Nd-Fe-B magnets according to claim 1 ", it needs the rubber-like binding agent modification crossed and neodymium iron boron class magnetic and processing aid to mix in proportion, mixed method adopts banburying method, open refining method, paddling process or screw mixing method, then rolling process or flat-plate compressed method for making is adopted to make certain thickness magnet the sizing material after mixing, carry out again magnetizing and being cross-linked, step is complicated, required equipment and raw material more, technique and product quality cannot accurately control, impurity is produced unavoidably in production process, have impact on the remaining mass of magnet.
Summary of the invention
Object of the present invention, exactly for overcoming the above-mentioned deficiency of prior art, nanoscale high-performance halogen-free environment-friendly type rubber and plastic neodymium iron boron that a kind of applicable industrialization is produced, that do not produce impurity in production process is provided to extrude the preparation method of magnetic stripe, multiple step concentrates in a ball mill and carries out by it, by the selection of the material to abrading-ball, the own loss that it is produced becomes the active ingredient of neodymium iron boron powder mixture;
The present invention also aims to, provide a kind of high-performance halogen-free environment-friendly type rubber and plastic neodymium iron boron adopting said method to prepare to extrude magnetic stripe, it also can be widely used in the manufacture that other various flexibilities mould magnetic product.
For achieving the above object, technical scheme provided by the invention is:
High-performance halogen-free environment-friendly type rubber and plastic neodymium iron boron extrudes a preparation method for magnetic stripe, it is characterized in that, comprises the following steps:
(1) raw materials mixture:
Prepared sizes are the homogeneous raw material mixture of the Nd-Fe-B powder of 10 ~ 200 nanometers and covering, adhesive, and covering wherein comprises silane coupler, and adhesive comprises rubber and propylene-based elastomeric;
(2) film is extruded:
What set extruder extrudes thickness range, by raw material compound input extruder, extrudes continuously and obtains moulding magnetic film;
(3) cutting: will the cutting of magnetic film be moulded, be cut into the shape and size of setting;
(4) UV glazing: spray UV oil polish on the surface of magnetic stripe, makes it form layer protecting film on the surface at magnetic stripe;
(5) magnetize: magnetic stripe is inserted in magnetic field and magnetizes, obtain magnetic stripe;
(6) lamination: magnetic stripe order overlap managed, packaging, obtains finished product magnetic stripe;
(7) reclaim and again produce: by production process, as cutting operation the leftover bits, the waste and old magnetic stripe that reclaims after using that produce, remove after impurity, send in ball mill, repeat step (1) raw materials mixture.
Described step (1) raw materials mixture, specifically comprises the steps:
(11) prepared sizes are the impurity elimination of neodymium iron boron powder, the drying of 10 ~ 200 nanometers;
(12) covering is prepared:
(121) silane coupler 80 ~ 90wt% is taken
Take diluent acetone 10 ~ 20wt%
(122) by silane coupler and diluent Homogeneous phase mixing, obtained covering;
(13) adhesive is prepared:
Rubber 40 ~ 80wt%
Propylene-based elastomeric 20 ~ 60wt%
(14) raw material is taken according to following percentage by weight:
Neodymium iron boron powder 88 ~ 94wt%
Adhesive 4 ~ 10wt%
Covering 1 ~ 2wt%
(15) Surface coating process: under the protection of nitrogen argon gas atmosphere, neodymium iron boron powder mixture and the covering for preparing are added ball mill grinding 2 ~ 5 hours, carrying out mixed grinding makes neodymium iron boron powder mixture form cladded type particulate, namely its Surface coating has one deck covering, until each powder granularity reaches 100 ~ 300 nanometers;
(16) solid-liquid mixed grinding:
Under the protection of nitrogen argon gas atmosphere, adhesive is added ball mill grinding 2 ~ 5 hours, carry out mixed grinding and make it form mixing cladded type particulate, until each powder granularity reaches 10 ~ 50 nanometers;
(17) filter, and sealed storage, obtained raw mixture.
Use high speed ball mill in described step (15) (16), its abrading-ball used is spherical NbFeB sintered magnetic patch, and its diameter is 60 ~ 95mm; And zirconia spheroid, its diameter is 5 ~ 30mm; The weight ratio of its loading is neodymium iron boron: zirconia=3: 1.
Further, described step (15), (16), be carry out in alternating magnetic field, accelerate ball milling under magnetic stirring.
Described step (16), also comprises and ball mill and compound is evenly warmed up to 85 ~ 120 DEG C, pressurization 3 ~ 8MPa, and pressurize is to grinding end, leaves standstill and is cooled to room temperature.
Rubber in described step (13), rubber is natural rubber or butyl rubber or one of Oppanol or polyurethane rubber or its mixture is natural rubber; Propylene-based elastomeric is wherein one of propylene-octene Copolymer, propylene based polyolefm elastomer.
The high-performance halogen-free environment-friendly type rubber and plastic neodymium iron boron adopting preceding method to prepare extrudes a magnetic stripe, it is characterized in that, comprises following raw material components weight portion:
Neodymium iron boron powder 88 ~ 94wt%
Adhesive 4 ~ 10wt%
Covering 1 ~ 2wt%
Surplus is the neodymium iron boron produced in process of lapping that comprises in finished product and Zirconium powder.
Described covering, it is the mixture of following raw material components:
Silane coupler 80 ~ 90wt%
Diluent acetone 10 ~ 20wt%
Described adhesive is the mixture of following raw material components:
Rubber 40 ~ 80wt%
Propylene-based elastomeric 20 ~ 60wt%
Rubber is wherein natural rubber or butyl rubber or one of Oppanol or polyurethane rubber or its mixture; Propylene-based elastomeric is wherein one of propylene-octene Copolymer, propylene based polyolefm elastomer.
Preparation method provided by the invention, production line continuous seepage can be formed, have employed nano level solid-liquid mixed material, the binding agent of special selection and covering, make the raw mixture prepared in high speed ball mill, can be directly used in and extrude, roll, directly obtain and mould magnetic film, and without the need to carrying out again mixing, banburying or open refining, and without the need to sulfuration, production stage is greatly reduced, saved energy consumption, improve production efficiency and constant product quality, it can be widely used in the manufacture of various flexible rubber-plastic magnetic product.
Preparation method provided by the invention, adopts special abrading-ball, carries out sorting without the need to the impurity produced abrading-ball, and it is suitable for industrialization and produces, and in process of production, operating mode easily controls, constant product quality; Owing to have employed pretreatment of raw material and precise finiss process two step, reduce the needs of preparation process for equipment and place, and preparation speed is fast, efficiency is high; Also directly can purchase through pretreated raw material, be directly used in production; By neodymium iron boron powder and covering, rubber and luxuriant propylene-based elastomeric mixed grinding; adopt the gas shield of nitrogen argon gas complex protection simultaneously; powder in process of lapping can be realized avoid contacting with air; thus avoid powder to be oxidized, explode and sharply temperature rise, make process stable, efficient.
Meanwhile, due to adhesive and the covering of special selection provided by the invention, make in process of production, especially cutting the leftover bits produced in process, can directly reclaim processing and utilization again; And the waste and old magnetic stripe after using, also can reclaim processing and utilization again, substantially increase the utilization rate of raw material; Traditional need banburying, the magnetic stripe of sulfuration then cannot accomplish this point.
High-performance halogen-free environment-friendly type rubber and plastic neodymium iron boron provided by the invention extrudes magnetic stripe, because it have employed high performance neodymium iron boron powder simultaneously, dynamical covering, the flexible rubber of product can be improved, the propylene-based elastomeric of product anti-impact force and high-temperature behavior can be improved, make this its produce mould magnetic product, possesses thickness low (0.1mm can be reached), pliability is good, tension resistance to compression, good springiness, magnetic behavior is remarkable, thickness be 1mm magnetic sheet after tested its magnetic energy product be 8 ~ 12MGOe, the hot strength of magnetic sheet is more than 4MPa, the high temperature of less than 200 DEG C can be tolerated and not loss of excitation.
Magnetic stripe provided by the invention, not containing any halogen, at high temperature also can not decompose, produce poisonous and harmful substance, meet environmental requirement, can be widely used in the use of various occasion, condition and crowd, it may be used for manufacturing micro motor, small and special electric machine, generator, fan and other electronic equipment, components and parts etc.
Below in conjunction with embodiment, the present invention is further described.
Detailed description of the invention
Embodiment 1: high-performance halogen-free environment-friendly type rubber and plastic neodymium iron boron provided by the invention extrudes the preparation method of magnetic stripe, comprises the following steps:
(1) raw materials mixture:
Prepared sizes are the homogeneous raw material mixture of the Nd-Fe-B powder of 10 ~ 200 nanometers and covering, adhesive, and covering wherein comprises silane coupler, and adhesive comprises rubber and propylene-based elastomeric; Specifically comprise the steps:
Described step (1) raw materials mixture, specifically comprises the steps:
(11) prepared sizes are the impurity elimination of neodymium iron boron powder, the drying of 10 ~ 200 nanometers;
(12) covering is prepared:
(121) silane coupler 80 ~ 90wt% is taken
Take diluent acetone 10 ~ 20wt%
(122) by silane coupler and diluent Homogeneous phase mixing, obtained covering;
(13) adhesive is prepared:
Rubber 40 ~ 80wt%
Propylene-based elastomeric 20 ~ 60wt%
(14) raw material is taken according to following percentage by weight:
Neodymium iron boron powder 88 ~ 94wt%
Adhesive 4 ~ 10wt%
Covering 1 ~ 2wt%
(15) Surface coating process: under the protection of nitrogen argon gas atmosphere, neodymium iron boron powder mixture and the covering for preparing are added ball mill grinding 2 ~ 5 hours, carrying out mixed grinding makes neodymium iron boron powder mixture form cladded type particulate, namely its Surface coating has one deck covering, until each powder granularity reaches 100 ~ 300 nanometers;
(16) solid-liquid mixed grinding:
Under the protection of nitrogen argon gas atmosphere, adhesive is added ball mill grinding 2 ~ 5 hours, carry out mixed grinding and make it form mixing cladded type particulate, until each powder granularity reaches 10 ~ 50 nanometers;
(17) filter, and sealed storage, obtained raw mixture.
Use high speed ball mill in described step (15) (16), its abrading-ball used is spherical NbFeB sintered magnetic patch, and its diameter is 60 ~ 95mm; And zirconia spheroid, its diameter is 5 ~ 30mm; The weight ratio of its loading is neodymium iron boron: zirconia=3: 1.
Adopting the collocation of this abrading-ball, is consider that neodymium iron boron and zirconia are magnetic material, and its powder that self produces in process of lapping, can as a part for inventive mixture, and without the need to screening, reject operation again to it; Meanwhile, the density of neodymium iron boron is large and hardness is slightly low, and zirconic hardness is large and density is slightly low, the lapping mode that both employings combine, and can accelerate the grinding rate to powder various in mixture; Simultaneously, the weight ratio of its loading in ball mill is neodymium iron boron: zirconia=3: 1, and the diameter of neodymium iron boron abrading-ball is much larger than zirconia, also be consider that the content of neodymium iron boron in mix ingredients can be slightly large, zirconia needs less than normal, and neodymium iron boron density is large, grinding impulsive force is large, be suitable for the corase grind in large space, zirconia is then suitable for the fine grinding in little space, by the two is reasonably combined, work together, can greatly improve grinding efficiency and grinding precision, obtain nano level mix ingredients.
Further, described step (15), (16), be carry out in alternating magnetic field, accelerate ball milling under magnetic stirring.
Described step (16), also comprises and ball mill and compound is evenly warmed up to 85 ~ 120 DEG C, pressurization 3 ~ 8MPa, and pressurize is to grinding end, leaves standstill and is cooled to room temperature.
Rubber in described step (13), rubber is natural rubber or butyl rubber or one of Oppanol or polyurethane rubber or its mixture is natural rubber; Propylene-based elastomeric is wherein one of propylene-octene Copolymer, propylene based polyolefm elastomer.
(2) film is extruded:
What set extruder extrudes thickness range, by raw material compound input extruder, extrudes continuously and obtains moulding magnetic film;
(3) cutting: will the cutting of magnetic film be moulded, be cut into the shape and size of setting;
(4) UV glazing: spray UV oil polish on the surface of magnetic stripe, makes it form layer protecting film on the surface at magnetic stripe;
(5) magnetize: magnetic stripe is inserted in magnetic field and magnetizes, obtain magnetic stripe;
(6) lamination: magnetic stripe order overlap managed, packaging, obtains finished product magnetic stripe;
(7) reclaim and again produce: by production process, as cutting operation the leftover bits, the waste and old magnetic stripe that reclaims after using that produce, remove after impurity, send in ball mill, repeat step (1) raw materials mixture.
When needing, further overlay film, printing or plated film (nickel plating, zinc-plated) process can also be carried out, to strengthen the combination property of magnetic stripe to magnetic stripe.
A kind of high-performance halogen-free environment-friendly type rubber and plastic neodymium iron boron adopting preceding method to prepare provided by the invention extrudes magnetic stripe, comprises following raw material components weight portion:
Neodymium iron boron powder 88 ~ 94wt%
Adhesive 4 ~ 10wt%
Covering 1 ~ 2wt%
Surplus is the neodymium iron boron produced in process of lapping that comprises in finished product and Zirconium powder.
Described covering, it is the mixture of following raw material components:
Silane coupler 80 ~ 90wt%
Diluent acetone 10 ~ 20wt%
Described adhesive is the mixture of following raw material components:
Rubber 40 ~ 80wt%
Propylene-based elastomeric 20 ~ 60wt%
Rubber is wherein natural rubber or butyl rubber or one of Oppanol or polyurethane rubber or its mixture; Propylene-based elastomeric is wherein one of propylene-octene Copolymer, propylene based polyolefm elastomer.
Improving in weatherability and pliability, impact resistance, present invention employs propylene-based elastomeric, such as acrylic metallocene polyolefin elastomers POE, this polyene elastomer is a kind of propylene-octene Copolymer, it has superior mobility, there is the heat aging property of excellent mechanical property, processing characteristics and excellence, with metal oxide with the use of the characteristic that can get at excellent heat ageing, compressibility and resistance to sky marquis.
In heat endurance, chemical stability and mechanical stability, the present invention adopts ultra-fine neodymium iron boron powder and the micro-oxidation zirconium that adulterates, this Zirconium powder insulate at normal temperatures, thermal conductivity is low, linear expansion coefficient is large, thermal structure intensity is high, chemical stability is good, less than 2000 DEG C inoperative to multiple motlten metal, silicate, glass etc., solution and the zirconia of caustic alkali, carbonate and various acid (concentrated sulfuric acid and hydrofluoric acid except) are inoperative, also improve the combination property of mixture.
Process equipment used in the present invention, can use high speed ball mill, friction mill, vibrations mill, planetary mills, the devices such as micronizer, extrusion device can be narrow continuous extruder.
Raw mixture provided by the invention, there is thinner granularity and mobile performance, the modes such as doping micro-oxidation zirconium, metallocene polyolefin elastomers POE are adopted to obtain more superior composite performance, its thickness prepared is the magnetic sheet of 1mm, its magnetic energy product is 8 ~ 12MGOe after tested, the hot strength of magnetic sheet is more than 4MPa, can tolerate the high temperature of less than 200 DEG C and not loss of excitation.It is the thinnest can produce the magnetic stripe that thickness is 0.1mm, and be convenient to multiple-layer stacked, obtain better electromagnetic performance, therefore its combination property is significantly superior to other magnetic stripes existing.
Embodiment 2: the high-performance halogen-free environment-friendly type rubber and plastic neodymium iron boron that this enforcement provides extrudes preparation method and the magnetic stripe of magnetic stripe, and it is substantially the same manner as Example 1, and its difference is:
(1) raw materials mixture:
Prepared sizes are the homogeneous raw material mixture of the Nd-Fe-B powder of 10 ~ 200 nanometers and covering, adhesive, and covering wherein comprises silane coupler, and adhesive comprises rubber and propylene-based elastomeric; Specifically comprise the steps:
Described step (1) raw materials mixture, specifically comprises the steps:
(11) prepared sizes are the impurity elimination of neodymium iron boron powder, the drying of 10 ~ 200 nanometers;
(12) covering is prepared:
(121) silane coupler 80wt% is taken
Take diluent acetone 20wt%
(122) by silane coupler and diluent Homogeneous phase mixing, obtained covering;
(13) adhesive is prepared:
Rubber 80wt%
Propylene-based elastomeric 20wt%
(14) raw material is taken according to following percentage by weight:
Neodymium iron boron powder 88wt%
Adhesive 10wt%
Covering 1wt%
(15) Surface coating process: under the protection of nitrogen argon gas atmosphere, neodymium iron boron powder mixture and the covering for preparing are added ball mill grinding 2 ~ 5 hours, carrying out mixed grinding makes neodymium iron boron powder mixture form cladded type particulate, namely its Surface coating has one deck covering, until each powder granularity reaches 100 ~ 300 nanometers;
(16) solid-liquid mixed grinding:
Under the protection of nitrogen argon gas atmosphere, adhesive is added ball mill grinding 2 ~ 5 hours, carry out mixed grinding and make it form mixing cladded type particulate, until each powder granularity reaches 10 ~ 50 nanometers;
(17) filter, and sealed storage, obtained raw mixture.
Use high speed ball mill in described step (15) (16), its abrading-ball used is spherical NbFeB sintered magnetic patch, and its diameter is 60mm; And zirconia spheroid, its diameter is 5mm; The weight ratio of its loading is neodymium iron boron: zirconia=3: 1.
Further, described step (15), (16), be carry out in alternating magnetic field, accelerate ball milling under magnetic stirring.
Described step (16), also comprises and ball mill and compound is evenly warmed up to 85 ~ 120 DEG C, pressurization 3 ~ 8MPa, and pressurize is to grinding end, leaves standstill and is cooled to room temperature.
Rubber in described step (13), rubber is natural rubber; Propylene-based elastomeric is wherein propylene-octene Copolymer.
(2) film is extruded:
What set extruder extrudes thickness range, by raw material compound input extruder, extrudes continuously and obtains moulding magnetic film;
(3) cutting: will the cutting of magnetic film be moulded, be cut into the shape and size of setting;
(4) UV glazing: spray UV oil polish on the surface of magnetic stripe, makes it form layer protecting film on the surface at magnetic stripe;
(5) magnetize: magnetic stripe is inserted in magnetic field and magnetizes, obtain magnetic stripe;
(6) lamination: magnetic stripe order overlap managed, packaging, obtains finished product magnetic stripe;
(7) reclaim and again produce: by production process, as cutting operation the leftover bits, the waste and old magnetic stripe that reclaims after using that produce, remove after impurity, send in ball mill, repeat step (1) raw materials mixture.
When needing, further overlay film, printing or plated film (nickel plating, zinc-plated) process can also be carried out, to strengthen the combination property of magnetic stripe to magnetic stripe.
A kind of high-performance halogen-free environment-friendly type rubber and plastic neodymium iron boron adopting preceding method to prepare provided by the invention extrudes magnetic stripe, comprises following raw material components weight portion:
Neodymium iron boron powder 88wt%
Adhesive 10wt%
Covering 1wt%
Surplus is the neodymium iron boron produced in process of lapping that comprises in finished product and Zirconium powder, and be totally about 1wt%, wherein Zirconium powder is about 0.2wt%.
Described covering, it is the mixture of following raw material components:
Silane coupler 80wt%
Diluent acetone 20wt%
Described adhesive is the mixture of following raw material components:
Rubber 80wt%
Propylene-based elastomeric 20wt%
Rubber is wherein natural rubber; Propylene-based elastomeric is wherein propylene-octene Copolymer.
Embodiment 3: the high-performance halogen-free environment-friendly type rubber and plastic neodymium iron boron that this enforcement provides extrudes preparation method and the magnetic stripe of magnetic stripe, and it is substantially identical with embodiment 1,2, and its difference is:
(1) raw materials mixture:
(12) covering is prepared:
(121) silane coupler 90wt% is taken
Take diluent acetone 10wt%
(122) by silane coupler and diluent Homogeneous phase mixing, obtained covering;
(13) adhesive is prepared:
Rubber 40wt%
Propylene-based elastomeric 60wt%
(14) raw material is taken according to following percentage by weight:
Neodymium iron boron powder 94wt%
Adhesive 3wt%
Covering 1wt%
Described abrading-ball is spherical NbFeB sintered magnetic patch, and its diameter is 95mm; And zirconia spheroid, its diameter is 30mm;
Described step (16), also comprises and ball mill and compound is evenly warmed up to 95 ~ 110 DEG C, pressurization 5 ~ 8MPa, and pressurize is to grinding end, leaves standstill and is cooled to room temperature.
Rubber in described step (13), rubber is butyl rubber; Propylene-based elastomeric is wherein propylene based polyolefm elastomer.
(2) film is extruded:
What set extruder extrudes thickness range, by raw material compound input extruder, extrudes continuously and obtains moulding magnetic film;
(3) cutting: will the cutting of magnetic film be moulded, be cut into the shape and size of setting;
(4) UV glazing: spray UV oil polish on the surface of magnetic stripe, makes it form layer protecting film on the surface at magnetic stripe;
(5) magnetize: magnetic stripe is inserted in magnetic field and magnetizes, obtain magnetic stripe;
(6) lamination: magnetic stripe order overlap managed, packaging, obtains finished product magnetic stripe;
(7) reclaim and again produce: by production process, as cutting operation the leftover bits, the waste and old magnetic stripe that reclaims after using that produce, remove after impurity, send in ball mill, repeat step (1) raw materials mixture.
When needing, further overlay film, printing or plated film (nickel plating, zinc-plated) process can also be carried out, to strengthen the combination property of magnetic stripe to magnetic stripe.
A kind of high-performance halogen-free environment-friendly type rubber and plastic neodymium iron boron adopting preceding method to prepare provided by the invention extrudes magnetic stripe, comprises following raw material components weight portion:
Neodymium iron boron powder 94wt%
Adhesive 3wt%
Covering 1wt%
Surplus is the neodymium iron boron produced in process of lapping that comprises in finished product and Zirconium powder, and total amount is about 1wt%, is wherein 0.3wt%.
Described covering, it is the mixture of following raw material components:
Silane coupler 90wt%
Diluent acetone 10wt%
Described adhesive is the mixture of following raw material components:
Rubber 40wt%
Propylene-based elastomeric 60wt%
Embodiment 4: the high-performance halogen-free environment-friendly type rubber and plastic neodymium iron boron that this enforcement provides extrudes preparation method and the magnetic stripe of magnetic stripe, and it is substantially identical with embodiment 1,2,3, and its difference is:
(1) raw materials mixture:
(12) covering is prepared:
(121) silane coupler 85wt% is taken
Take diluent acetone 15wt%
(122) by silane coupler and diluent Homogeneous phase mixing, obtained covering;
(13) adhesive is prepared:
Rubber 50wt%
Propylene-based elastomeric 50wt%
(14) raw material is taken according to following percentage by weight:
Neodymium iron boron powder 90wt%
Adhesive 7wt%
Covering 2wt%
Described abrading-ball is spherical NbFeB sintered magnetic patch, and its diameter is 95mm; And zirconia spheroid, its diameter is 30mm;
Described step (16), also comprises and ball mill and compound is evenly warmed up to 120 DEG C, pressurization 8MPa, and pressurize is to grinding end, leaves standstill and is cooled to room temperature.
Rubber in described step (13) is Oppanol; Propylene-based elastomeric is wherein propylene based polyolefm elastomer.
A kind of high-performance halogen-free environment-friendly type rubber and plastic neodymium iron boron adopting preceding method to prepare provided by the invention extrudes magnetic stripe, comprises following raw material components weight portion:
Neodymium iron boron powder 94wt%
Adhesive 3wt%
Covering 1wt%
Surplus is the neodymium iron boron produced in process of lapping that comprises in finished product and Zirconium powder, and total amount is about 1wt%, is wherein 0.1wt%.
Described covering, it is the mixture of following raw material components:
Silane coupler 85wt%
Diluent acetone 15wt%
Described adhesive is the mixture of following raw material components:
Rubber 50wt%
Propylene-based elastomeric 50wt%
Rubber is Oppanol; Propylene-based elastomeric is wherein propylene based polyolefm elastomer.
Embodiment 5: the high-performance halogen-free environment-friendly type rubber and plastic neodymium iron boron that this enforcement provides extrudes preparation method and the magnetic stripe of magnetic stripe, and it is substantially identical with embodiment 1,2,3,4, and its difference is:
(2) raw materials mixture:
(12) covering is prepared:
(121) silane coupler 81wt% is taken
Take diluent acetone 19wt%
(122) by silane coupler and diluent Homogeneous phase mixing, obtained covering;
(13) adhesive is prepared:
Rubber 60wt%
Propylene-based elastomeric 40wt%
(14) raw material is taken according to following percentage by weight:
Neodymium iron boron powder 88wt%
Adhesive 10wt%
Covering 1wt%
Described abrading-ball is spherical NbFeB sintered magnetic patch, and its diameter is 90mm; And zirconia spheroid, its diameter is 25mm;
Described step (16), also comprises and ball mill and compound is evenly warmed up to 110 DEG C, pressurization 7MPa, and pressurize is to grinding end, leaves standstill and is cooled to room temperature.
Rubber in described step (13) is polyurethane rubber; Propylene-based elastomeric is wherein propylene based polyolefm elastomer.
A kind of high-performance halogen-free environment-friendly type rubber and plastic neodymium iron boron adopting preceding method to prepare provided by the invention extrudes magnetic stripe, comprises following raw material components weight portion:
Neodymium iron boron powder 88wt%
Adhesive 10wt%
Covering 1.2wt%
Surplus is the neodymium iron boron produced in process of lapping that comprises in finished product and Zirconium powder, and total amount is about 0.8wt%, is wherein 0.1wt%.
Described covering, it is the mixture of following raw material components:
Silane coupler 81wt%
Diluent acetone 19wt%
Described adhesive is the mixture of following raw material components:
Rubber 60wt%
Propylene-based elastomeric 40wt%
Wherein rubber is polyurethane rubber, or the mixture of aforementioned multiple rubber; Propylene-based elastomeric is wherein propylene based polyolefm elastomer.
The present invention is not limited to above-mentioned embodiment, and every all similar or equivalent embodiment that can realize the object of the invention, all within protection scope of the present invention.
Claims (9)
1. high-performance halogen-free environment-friendly type rubber and plastic neodymium iron boron extrudes a preparation method for magnetic stripe, it is characterized in that, comprises the following steps:
(1) raw materials mixture:
Prepared sizes are the homogeneous raw material mixture of the Nd-Fe-B powder of 10 ~ 200 nanometers and covering, adhesive, and covering wherein comprises silane coupler, and adhesive comprises rubber and propylene-based elastomeric;
Specifically comprise the steps:
(11) prepared sizes are the impurity elimination of neodymium iron boron powder, the drying of 10 ~ 200 nanometers;
(12) covering is prepared:
(121) silane coupler 80 ~ 90wt% is taken
Take diluent acetone 10 ~ 20wt%
(122) by silane coupler and diluent Homogeneous phase mixing, obtained covering;
(13) adhesive is prepared:
Rubber 40 ~ 80wt%
Propylene-based elastomeric 20 ~ 60wt%
(14) raw material is taken according to following percentage by weight:
Neodymium iron boron powder 88 ~ 94wt%
Adhesive 4 ~ 10wt%
Covering 1 ~ 2wt%
(15) Surface coating process: under the protection of nitrogen argon gas atmosphere, neodymium iron boron powder mixture and the covering for preparing are added ball mill grinding 2 ~ 5 hours, carrying out mixed grinding makes neodymium iron boron powder mixture form cladded type particulate, namely its Surface coating has one deck covering, until each powder granularity reaches 100 ~ 300 nanometers;
(16) solid-liquid mixed grinding:
Under the protection of nitrogen argon gas atmosphere, adhesive is added ball mill grinding 2 ~ 5 hours, carry out mixed grinding and make it form mixing cladded type particulate, until each powder granularity reaches 10 ~ 50 nanometers;
(17) filter, and sealed storage, obtained raw mixture;
(2) film is extruded:
What set extruder extrudes thickness range, by raw material compound input extruder, extrudes continuously and obtains moulding magnetic film;
(3) cutting: will the cutting of magnetic film be moulded, be cut into the shape and size of setting;
(4) UV glazing: spray UV oil polish on the surface of magnetic stripe, makes it form layer protecting film on the surface at magnetic stripe;
(5) magnetize: magnetic stripe is inserted in magnetic field and magnetizes, obtain magnetic stripe.
2. high-performance halogen-free environment-friendly type rubber and plastic neodymium iron boron according to claim 1 extrudes the preparation method of magnetic stripe, and it is characterized in that, it is further comprising the steps of:
(6) lamination: magnetic stripe order overlap managed, packaging, obtains finished product magnetic stripe;
(7) production is again reclaimed: by the leftover bits produced in production process, the waste and old magnetic stripe reclaimed after using, after removing impurity, send in ball mill, repetition step (1) raw materials mixture.
3. high-performance halogen-free environment-friendly type rubber and plastic neodymium iron boron extrudes the preparation method of magnetic stripe according to claim 1, it is characterized in that, high speed ball mill is used in described step (15) (16), its abrading-ball used is spherical NbFeB sintered magnetic patch, and its diameter is 60 ~ 95mm; And zirconia spheroid, its diameter is 5 ~ 30mm; The weight ratio of its loading is neodymium iron boron: zirconia=3: 1.
4. high-performance halogen-free environment-friendly type rubber and plastic neodymium iron boron extrudes the preparation method of magnetic stripe according to claim 1, it is characterized in that, rubber in described step (13), rubber is natural rubber or butyl rubber or one of Oppanol or polyurethane rubber; Propylene-based elastomeric is wherein one of propylene-octene Copolymer, propylene based polyolefm elastomer.
5. high-performance halogen-free environment-friendly type rubber and plastic neodymium iron boron extrudes the preparation method of magnetic stripe according to claim 1, it is characterized in that, described step (15), (16), is carry out in alternating magnetic field, accelerates ball milling under magnetic stirring.
6. high-performance halogen-free environment-friendly type rubber and plastic neodymium iron boron extrudes the preparation method of magnetic stripe according to claim 1, it is characterized in that, described step (16), also comprise and ball mill and compound are evenly warmed up to 85 ~ 120 DEG C, pressurization 3 ~ 8MPa, and pressurize is to grinding end, leaves standstill and being cooled to room temperature.
7. the high-performance halogen-free environment-friendly type rubber and plastic neodymium iron boron adopting the described method of one of claim 1 ~ 6 to prepare extrudes a magnetic stripe, it is characterized in that, comprises following raw material components weight portion:
Neodymium iron boron powder 88 ~ 94wt%
Adhesive 4 ~ 10wt%
Covering 1 ~ 2wt%
Surplus is the neodymium iron boron produced in process of lapping that comprises in finished product and Zirconium powder.
8. high-performance halogen-free environment-friendly type rubber and plastic neodymium iron boron according to claim 7 extrudes magnetic stripe, and it is characterized in that, described covering, it is the mixture of following raw material components:
Silane coupler 80 ~ 90wt%
Diluent acetone 10 ~ 20wt%.
9. high-performance halogen-free environment-friendly type rubber and plastic neodymium iron boron according to claim 7 extrudes magnetic stripe, and it is characterized in that, described adhesive is the mixture of following raw material components:
Rubber 40 ~ 80wt%
Propylene-based elastomeric 20 ~ 60wt%
Rubber is wherein natural rubber or butyl rubber or one of Oppanol or polyurethane rubber or its mixture; Propylene-based elastomeric is wherein one of propylene-octene Copolymer, propylene based polyolefm elastomer.
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| CN201010624101.8A CN102029394B (en) | 2010-12-30 | 2010-12-30 | Method for preparing high-performance halogen-free environment-friendly rubber-plastic NdFeB (neodymium, iron and boron) extruded magnetic strip and magnetic strip |
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| CN103624261B (en) * | 2012-08-20 | 2015-10-14 | 南通万宝实业有限公司 | Different side's neodymium iron boron composite tape and manufacture method thereof and outward rotation type motor and motor and frequency conversion ceiling fan motor and hub dynamo |
| CN102832002B (en) * | 2012-09-13 | 2016-12-21 | 北矿磁材科技股份有限公司 | Environment-friendlyhalogen-free halogen-free rare-earth composite magnetic material |
| CN102832005A (en) * | 2012-09-13 | 2012-12-19 | 北矿磁材科技股份有限公司 | Environment-friendly halogen-free ferrite composite magnetic material |
| CN107540902B (en) * | 2017-09-13 | 2020-01-21 | 扬州大学 | Preparation method of flexible neodymium iron boron rubber magnetic composite material |
| CN108148518B (en) * | 2017-12-26 | 2020-11-10 | 保定乐凯新材料股份有限公司 | Peel-off type magnetic strip and preparation method thereof |
| CN112719269A (en) * | 2021-01-29 | 2021-04-30 | 余康康 | Chemical industry metal powder loading attachment for injection moulding |
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