CN110246521A - A kind of magnetized layer of audio tape - Google Patents
A kind of magnetized layer of audio tape Download PDFInfo
- Publication number
- CN110246521A CN110246521A CN201910488311.XA CN201910488311A CN110246521A CN 110246521 A CN110246521 A CN 110246521A CN 201910488311 A CN201910488311 A CN 201910488311A CN 110246521 A CN110246521 A CN 110246521A
- Authority
- CN
- China
- Prior art keywords
- parts
- audio tape
- magnetized layer
- resin
- stearate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/702—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the bonding agent
- G11B5/7023—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the bonding agent containing polyesters, polyethers, silicones, polyvinyl resins, polyacrylresins or epoxy resins
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/706—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material
- G11B5/70626—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances
- G11B5/70642—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances iron oxides
- G11B5/70678—Ferrites
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of magnetization layer formulas of audio tape, component including following mass parts: 550 parts of di-iron trioxide magnetic powder, 2.75-16.5 parts of carbon black, 64.35~89.375 parts of resin, 34.65~48.125 parts of polyurethane, 4~16.5 parts of phosphate RE610,2.75~11 parts of anti-wear agent, 2.2~6.6 parts of atoleine, 0.55~4.4 part of silicone oil, 0.55~4.4 part of stearate, 1.1~5.5 parts of zinc stearate, 11~27.5 parts of curing agent, 850~1500 parts of solvent.The magnetized layer of audio tape of the invention has the characteristics that excellent electrical properties, resistance to shedding are strong.
Description
Technical field
The present invention relates to audio tape technical field, in particular to a kind of magnetized layers of audio tape.
Background technique
Audio tape is widely used in student instruction language zone and music tape, having makes for recording audio signal
It at low cost, can replay repeatedly, audio tape main production is to dissolve resin with solvent, and magnetic powder, dispersion is then added
Then agent, anti-wear agent, lubricant etc. disperse by being sanded, add curing agent, coating forms magnetized layer on 7~12 microns of films,
Orientation, then press polish, cutting, copy back, mounted box.
In practical applications, due to the limitation of magnetized layer proportion and technique, usually there is poor electrical performance, be easy in magnetized layer
The defects of powder, directly affects its recording effect and service life.
Summary of the invention
The object of the present invention is to provide a kind of magnetized layers of audio tape, with the strong spy of excellent electrical property, resistance to shedding
Point.
The present invention can be achieved through the following technical solutions:
The invention discloses a kind of magnetized layer of audio tape, the component including following mass parts:
550 parts of di-iron trioxide magnetic powder, carbon black 2.75-16.5,64.35~89.375 parts of resin, polyurethane 34.65~
48.125 parts, 4~16.5 parts of phosphate RE610,2.75~11 parts of anti-wear agent, 2.2~6.6 parts of atoleine, silicone oil 0.55
~4.4 parts, fat, 0.55~4.4 part of stearate, 1.1~5.5 parts of zinc stearate, 11~27.5 parts of curing agent, solvent 850
~1500 parts.
Further, phosphate model RE610
Further, resin is binary resin or ternary resin, and binary resin or ternary resin are vinyl chloride-vinyl acetate
And/or vinyl chloride-vinyl acetate-vinyl alcohol, preferred binary resin vinyl chloride-vinyl acetate.
Further, anti-wear agent is ferric oxide powder and/or alumina powder, it is preferable to use model R8098
Ferric oxide powder.
Further, silicone oil is KF-96H10000CS silicone oil.
Further, curing agent is the curing agent of DESMODURL~75.
Further, stearate is ICS esters.
Further, the model 1174 of the zinc stearate.
The beneficial effects of the present invention are:
The first, electrical property is good.After magnetized layer proportion of the invention, the sensitivity of magnetized layer, relative frequency response,
Maximum Output Level, Maximum Output Level are significantly improved compared with the existing technology, show excellent electrical property；
The second, resistance to shedding is had excellent performance.Do not occur magnetized layer picking in 128 times of high speed copy back dribbling 2500m long and generates letter
It number loses.
Specific embodiment
In order that those skilled in the art will better understand the technical solution of the present invention, and make above-mentioned mesh of the invention
, feature and advantage can be more obvious and easy to understand, product of the present invention is made below with reference to embodiment and embodiment further detailed
Explanation.
The invention discloses a kind of magnetized layer of audio tape, the component including following mass parts:
550 parts of di-iron trioxide magnetic powder, 2.75-16.5 parts of carbon black, 64.35~89.375 parts of resin, polyurethane 34.65
~48.125 parts, 4~16.5 parts of phosphate RE610,2.75~11 parts of anti-wear agent, 2.2~6.6 parts of atoleine, silicone oil
0.55~4.4 part, 0.55~4.4 part of stearate, 1.1~5.5 parts of zinc stearate, 11~27.5 parts of curing agent, solvent 850
~1500 parts.
Further, resin is binary resin or ternary resin, and binary resin is vinyl chloride-vinyl acetate.
Further, anti-wear agent is ferric oxide powder and/or alumina powder；Ferric oxide powder model
R8098 rouge and powder.
Further, adding liquid paraffin is gone back in magnetized layer
Further, silicone oil is KF-96H10000CS silicone oil.
Further, curing agent is DESMODUR L-75 curing agent.
Further, stearate is ICS esters.
Further, the model 1174 of zinc stearate.
Embodiment 1
The invention discloses a kind of magnetized layer of audio tape, the component including following mass parts:
550 parts of di-iron trioxide magnetic powder, carbon black 8.25,89.375 parts of resin, 41 parts of polyurethane, phosphate RE610 4
Part, 11 parts of anti-wear agent, 4.4 parts of atoleine, 0.55 part of silicone oil, 4.4 parts of stearate, 3.3 parts of zinc stearate, curing agent 11
Part, 1500 parts of solvent.
In the present embodiment, resin is binary resin vinyl chloride-vinyl acetate.Carbon black is also added in magnetized layer.It is wear-resisting
Agent is ferric oxide powder；Ferric oxide powder model R8098 rouge and powder.Silicone oil is KF-96H10000CS silicone oil.Solidification
Agent is the curing agent of DESMODURL~75.Stearate is ICS esters, the model 1174 of zinc stearate.
Embodiment 2
The invention discloses a kind of magnetized layer of audio tape, the component including following mass parts:
550 parts of di-iron trioxide magnetic powder, 77 parts of resin, 34.65 parts of polyurethane, 16.5 parts of phosphate RE610, anti-wear agent
6.5 parts, 14 parts of carbon black, 2.2 parts of atoleine, 4.4 parts of silicone oil, 2.2 parts of stearate, 1.1 parts of zinc stearate, curing agent
27.5 parts, 1180 parts of solvent.
In the present embodiment, resin is ternary resin vinyl chloride-vinyl acetate-vinyl alcohol.Anti-wear agent is alumina powder.
Silicone oil is KF-96H10000CS silicone oil.Curing agent is the curing agent of DESMODURL~75.Stearate is ICS esters, stearic acid
The model 1174 of zinc.
Embodiment 3
The invention discloses a kind of magnetized layer of audio tape, the component including following mass parts:
550 parts of di-iron trioxide magnetic powder, 5.5 parts of carbon black, 64.35 parts of resin, 48.125 parts of polyurethane, phosphate RE610
10 parts, 2.75 parts of anti-wear agent, 6.6 parts of atoleine, 2,3 parts of silicone oil, 0.55 part of stearate, 5.5 parts of zinc stearate, curing agent
19 parts, 850 parts of solvent.
In the present embodiment, resin is vinyl chloride-vinyl acetate.Anti-wear agent is ferric oxide powder and alumina powder
End；Ferric oxide powder model R8098 rouge and powder.Silicone oil is KF- 96H10000CS silicone oil.Curing agent is DESMODUR L
~75 curing agent.Stearate is ICS esters, the model 1174 of zinc stearate.
Embodiment 4
The invention discloses a kind of magnetized layer of audio tape, the component including following mass parts:
550 parts of di-iron trioxide magnetic powder, 70 parts of resin, 42 parts of polyurethane, 8 parts of phosphate RE610,6 parts of anti-wear agent, carbon
Black 13.75 parts, it is 4.3 parts of atoleine, 2.1 parts of silicone oil, 1.4 parts of stearate, 3.5 parts of zinc stearate, 17.5 parts of curing agent, molten
1200 parts of agent.
In the present embodiment, resin is binary resin vinyl chloride-vinyl acetate.Anti-wear agent is ferric oxide powder and oxygen
Change aluminium powder；Ferric oxide powder model R8098 rouge and powder.Silicone oil is KF- 96H10000CS silicone oil.Curing agent is
The curing agent of DESMODURL~75.Stearate is ICS esters.
Embodiment 5
The invention discloses a kind of magnetized layer of audio tape, the component including following mass parts:
550 parts of di-iron trioxide magnetic powder, 8.0 parts of carbon black, 76 parts of resin, 37 parts of polyurethane, 6.5 parts of phosphate RE610,
It is 7 parts of anti-wear agent, 3.6 parts of atoleine, 3.4 parts of silicone oil, 2.4 parts of stearate, 2.5 parts of zinc stearate, 17.5 parts of curing agent, molten
1100 parts of agent.
In the present embodiment, resin is binary resin vinyl chloride-vinyl acetate.Anti-wear agent is ferric oxide powder；Three
Aoxidize two iron powder model R8098 rouge and powder.Silicone oil is KF-96H10000CS silicone oil.Curing agent is solid for DESMODURL~75
Agent.Stearate is ICS esters, the model 1174 of zinc stearate.
Embodiment 6
The invention discloses a kind of magnetized layer of audio tape, the component including following mass parts:
It is 550 parts of di-iron trioxide magnetic powder, 79.375 parts of resin, 38.125 parts of polyurethane, 10.5 parts of phosphate RE610, resistance to
7.75 parts of grinding agent, 5.5 parts of carbon black, 5.6 parts of atoleine, 1.4 parts of silicone oil, 3.4 parts of stearate, 1.5 parts of zinc stearate, solidification
21.5 parts of agent, 950 parts of solvent,
In the present embodiment, resin is vinyl chloride-vinyl acetate.Anti-wear agent is ferric oxide powder and alumina powder
End；Ferric oxide powder model R8098 rouge and powder.Silicone oil is KF96H silicone oil.Curing agent is DESMODURL-75 curing agent.
Stearate is ICS esters, the model 1174 of zinc stearate.
Technical effect in order to further illustrate the present invention carries out electric performance test to the magnetized layer of embodiment 3, specific to tie
Fruit is as shown in table 1:
1 electric performance test result of table
IEC reference tape: NORMAL-IEC (1) BASF R723DG
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the present invention in any form；It is all
The those of ordinary skill of the industry can be shown in by specification and described above and swimmingly implement the present invention；But it is all familiar
Professional and technical personnel without departing from the scope of the present invention, makes using disclosed above technology contents
A little variation, modification and evolution equivalent variations, be equivalent embodiment of the invention；Meanwhile all realities according to the present invention
The variation, modification and evolution etc. of matter technology any equivalent variations to the above embodiments, still fall within technology of the invention
Within the protection scope of scheme.
Claims (7)
1. a kind of magnetized layer of audio tape, it is characterised in that the component including following mass parts:
550 parts of di-iron trioxide magnetic powder, 2.75-16.5 parts of carbon black, 64.35~89.375 parts of resin, polyurethane 34.65~
48.125 parts, 4~16.5 parts of phosphate RE610,2.75~11 parts of anti-wear agent, 2.2~6.6 parts of atoleine, silicone oil 0.55~
4.4 parts, 0.55~4.4 part of stearate, 1.1~5.5 parts of zinc stearate, 11~27.5 parts of curing agent, solvent 850~1500
Part.
2. according to benefit require 1 described in audio tape magnetized layer, it is characterised in that: the resin be binary resin vinyl chloride-
Vinyl acetate.
3. the magnetized layer of audio tape according to claim 2, it is characterised in that: the model RE610 of the phosphate.
4. the magnetized layer of audio tape described in claim 3, it is characterised in that: the anti-wear agent be ferric oxide powder and/
Or alumina powder；The ferric oxide powder model R8098 rouge and powder.
5. the magnetized layer of audio tape according to claim 4, it is characterised in that: the silicone oil is KF-96H10000CS.
6. the magnetized layer of audio tape according to claim 5, it is characterised in that: the stearate is ICS esters.
7. the magnetized layer of audio tape according to claim 6, it is characterised in that: the curing agent is L~75 DESMODUR
Curing agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910488311.XA CN110246521A (en) | 2019-06-05 | 2019-06-05 | A kind of magnetized layer of audio tape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910488311.XA CN110246521A (en) | 2019-06-05 | 2019-06-05 | A kind of magnetized layer of audio tape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110246521A true CN110246521A (en) | 2019-09-17 |
Family
ID=67886343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910488311.XA Pending CN110246521A (en) | 2019-06-05 | 2019-06-05 | A kind of magnetized layer of audio tape |
Country Status (1)
| Country | Link |
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| CN (1) | CN110246521A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1263622A (en) * | 1997-06-28 | 2000-08-16 | 索恩防护科学有限公司 | A magnetic recording medium |
| CN1285078A (en) * | 1998-12-18 | 2001-02-21 | 同和矿业株式会社 | Ferromagnetic powder |
| CN1314839A (en) * | 1999-04-19 | 2001-09-26 | 东丽株式会社 | Biaxially oriented polyester film, process for producing the same and magnetic recording medium |
| CN1444236A (en) * | 2002-03-07 | 2003-09-24 | 同和矿业株式会社 | Strong magnetic iron alloy powder for magnetic recording medium and mfg. method thereof |
| CN1450952A (en) * | 2000-03-07 | 2003-10-22 | 东丽株式会社 | Polyester film and process for producing the same |
| CN1567437A (en) * | 1996-08-30 | 2005-01-19 | 索尼株式会社 | Magnetic recording medium and head cleaning tape |
| CN1892829A (en) * | 2005-06-27 | 2007-01-10 | 同和矿业株式会社 | Iron compound particles and magnetic recording medium using same |
| CN1933043A (en) * | 2005-09-15 | 2007-03-21 | 同和矿业株式会社 | Ferromagnetic powder, coating material and magnetic recording medium using the same |
-
2019
- 2019-06-05 CN CN201910488311.XA patent/CN110246521A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1567437A (en) * | 1996-08-30 | 2005-01-19 | 索尼株式会社 | Magnetic recording medium and head cleaning tape |
| CN1263622A (en) * | 1997-06-28 | 2000-08-16 | 索恩防护科学有限公司 | A magnetic recording medium |
| CN1285078A (en) * | 1998-12-18 | 2001-02-21 | 同和矿业株式会社 | Ferromagnetic powder |
| CN1314839A (en) * | 1999-04-19 | 2001-09-26 | 东丽株式会社 | Biaxially oriented polyester film, process for producing the same and magnetic recording medium |
| CN1450952A (en) * | 2000-03-07 | 2003-10-22 | 东丽株式会社 | Polyester film and process for producing the same |
| CN1444236A (en) * | 2002-03-07 | 2003-09-24 | 同和矿业株式会社 | Strong magnetic iron alloy powder for magnetic recording medium and mfg. method thereof |
| CN1892829A (en) * | 2005-06-27 | 2007-01-10 | 同和矿业株式会社 | Iron compound particles and magnetic recording medium using same |
| CN1933043A (en) * | 2005-09-15 | 2007-03-21 | 同和矿业株式会社 | Ferromagnetic powder, coating material and magnetic recording medium using the same |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190917 |
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| RJ01 | Rejection of invention patent application after publication |