CN110527358A - A kind of composite material pen core and preparation method thereof - Google Patents
A kind of composite material pen core and preparation method thereof Download PDFInfo
- Publication number
- CN110527358A CN110527358A CN201910762481.2A CN201910762481A CN110527358A CN 110527358 A CN110527358 A CN 110527358A CN 201910762481 A CN201910762481 A CN 201910762481A CN 110527358 A CN110527358 A CN 110527358A
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- pen core
- composite material
- parts
- powder
- material pen
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D13/00—Pencil-leads; Crayon compositions; Chalk compositions
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Abstract
Composite material pen core of the invention, raw material include graphite powder, Bisphenol a unsaturated polyester resin, pitch, bismuth meal, indium powder according to mass parts.The preparation method of composite material pen core, comprising the following steps: first raw material is proportionally uniformly mixed, is preheated under vacuum conditions, preheating temperature is 150-280 DEG C, is then calcined under 310-340 DEG C of carbon protection；Again by calcined material injection-compression molding, anneal to get composite material pen core coarse fodder is arrived.Composite material pen core of the invention uses environment-friendly materials, no pollution to the environment, to no damage to human body；Wear resistance is high, is far longer than pencil, and be greater than metal pen core；Brightness and gray scale are high；The mobility of core is high, and lubricity is high；Not oxidizable, anticorrosion, stability is good；It can be used as pen core use, pen tip is firm, does not have powder to fall in writing process；Fluent writing；The writing holding time is long, is unlikely to deform；Hardness is up to HB rank；Can be commonly used, it is easy erasing.
Description
Technical field
The invention belongs to pen core manufacturing technology fields, and in particular to a kind of composite material pen core and preparation method thereof.
Background technique
Existing pen, including water-color paintbrush and pencil have been generally applicable in life.In pencil, the carbon atom in graphite is
It arranges from level to level, binding force between layers is small, is easy to scatter, and is applied to paper or the surface of other objects, wearability
Difference, consumption are fast.And for a long time, it is easy to leave flecky ink trace.And it due to the finite stiffness of graphite, is easy to appear
The disconnected problem of pen core.
For some special dimensions, the outer space as locating for space station, manned spaceship, water-color paintbrush cannot be used, and lead
Pen touch is too shallow and to be easy diffusion fuzzy.In addition, on the surface of some special materials, such as ceramics, metal plate, use are existing
Water-color paintbrush or all bad coloring of pencil.
In addition, there are also a kind of pen cores to be made of raw metal, this metal pen core breach before graphite pen core limit
System, more much larger than the hardness of pencil-lead, wearability is good, have the advantages that it is wear-resisting, be not easily broken, but blackness is low.
Summary of the invention
The present invention is in view of the deficienciess of the prior art, provide a kind of composite material pen core and preparation method thereof, the present invention
Composite material pen core wearability it is good, brightness and gray scale are high.
The technical scheme to solve the above technical problems is that a kind of composite material pen core, raw material is according to quality
Part includes 50-90 parts of graphite powders, 8-20 parts of Bisphenol a unsaturated polyester resins, 3-8 parts of pitches, 0.1-3 parts of bismuth meals, 0.01-1
Part indium powder.
The present invention is further arranged to, and further includes 0.1-2 parts of gallium powder, 0.1-1 parts of cupric oxide powders.
The present invention is further arranged to, and further includes 0.1-0.5 parts of methoxy poly (ethylene glycol)s.
The present invention is further arranged to, the glass putty, the bismuth meal, the indium powder, the gallium powder, the cupric oxide powder
Granularity be 10 μm or less.
The present invention is further arranged to, and further includes 0.1-0.3 parts of carbon blacks.
The present invention is further arranged to, and the granularity of the graphite powder and the carbon black is 4 μm or less.
The present invention is further arranged to, and raw material is poly- including 80 parts of graphite powders, 12 parts of bisphenol A-type unsaturations according to mass parts
Ester resin, 6 parts of pitches, 1.2 parts of bismuth meals, 0.8 part of indium powder, 0.9 part of gallium powder, 0.3 part of cupric oxide powder, 0.3 part of poly- second of methoxyl group
Glycol, 0.2 part of carbon black.
The present invention also provides the preparation methods of above-mentioned composite material pen core, comprising the following steps:
Step 1: first raw material is proportionally uniformly mixed, is preheated under vacuum conditions, preheating temperature 150-
It 280 DEG C, is then calcined under 310-340 DEG C of carbon protection；
Step 2: then calcined material injection-compression molding is annealed to get composite material pen core coarse fodder is arrived.
Preferably, preheating time is 3-6 hours.
Preferably, annealing temperature is 100-120 DEG C, and annealing time is 2-4 hours.
Composite material pen core in the present invention uses composite material, and internal power from all directions is between layers than graphite
Power it is big, by the friction objects such as paper, the composite layer on surface layer can be detached from internal material, be attached to well paper or
On other objects of person, and it is not easy to occur further to spread again.With graphite powder, Bisphenol a unsaturated polyester resin, pitch,
Bismuth meal, indium powder are basic component, have good coloration and lubricity, are further introduced into carbon black, can further increase coloration
And lubricity, improve processing performance.From the point of view of on the whole, the whole adjustable extent of composite material pen core of the invention becomes larger.It introduces
Methoxy poly (ethylene glycol) increases peptizaiton, but also processing performance is more preferable.
The invention has the following advantages:
(1) environment-friendly materials, no pollution to the environment, to no damage to human body are all made of；
(2) wear resistance is high, is far longer than pencil, and be greater than metal pen core, writes general 1.3 millimeters of ten thousand metres abrasion；
(3) brightness and gray scale are high；
(4) mobility of core is high, and lubricity is high；
(5) not oxidizable, anticorrosion, stability is good, will not change colour；
(6) it can be used as pen core use, pen tip is firm, does not have powder to fall in writing process, securely and reliably；Fluent writing；
The writing holding time is long, is unlikely to deform；
(7) hardness is up to HB rank, can be used for that general examination is machine-readable to use pen；
(8) metal nib rely on oxidation stain, composite material pen core of the invention only rely on friction coloring, can apply with very
The non-serviceable occasion of more metal nibs, such as the table of yellow paper, ceramic glaze layer, wood materials and other colors or material
On face, and metal nib is not easy to be wiped with erasing rubber, and the easy-to-use erasing rubber of composite material pencil lead storing of the invention is easily wiped clean.
Detailed description of the invention
Fig. 1 is the test chart of the metal pen core of composite material pen core and comparative example 2 of the invention.
Specific embodiment
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Embodiment 1
A kind of composite material pen core, raw material include 76 parts of graphite powders, 17 parts of bisphenol A-type unsaturated polyester (UP)s according to mass parts
Resin, 3 parts of pitches, 0.1 part of bismuth meal, 0.9 part of indium powder.
The present invention also provides the preparation methods of above-mentioned composite material pen core, comprising the following steps:
Step 1: being first proportionally uniformly mixed raw material, carries out preheating 3 hours under vacuum conditions, and preheating temperature is
It 150 DEG C, is then calcined under 310 DEG C of carbon protection；
Step 2: by calcined material injection-compression molding, then 115 DEG C anneal 2.5 hours to get arrive composite material pen
Core coarse fodder.
Embodiment 2
A kind of composite material pen core, raw material include 67 parts of graphite powders, 14 parts of bisphenol A-type unsaturated polyester (UP)s according to mass parts
Resin, 8 parts of pitches, 3 parts of bismuth meals, 0.5 part of indium powder, 0.1 part of gallium powder, 0.1 part of cupric oxide powder.
Its raw material includes 80 parts of graphite powders, 12 parts of Bisphenol a unsaturated polyester resins, 6 parts of pitches, 1.2 according to mass parts
Part bismuth meal, 0.8 part of indium powder, 0.9 part of gallium powder, 0.3 part of cupric oxide powder, 0.3 part of methoxy poly (ethylene glycol), 0.2 part of carbon black.
The present invention also provides the preparation methods of above-mentioned composite material pen core, comprising the following steps:
Step 1: being first proportionally uniformly mixed raw material, carries out preheating 6 hours under vacuum conditions, and preheating temperature is
It 200 DEG C, is then calcined under 340 DEG C of carbon protection；
Step 2: by calcined material injection-compression molding, then 100 DEG C anneal 4 hours to get arrive composite material pen core
Coarse fodder.
Embodiment 3
A kind of composite material pen core, raw material include 90 parts of graphite powders, 12 parts of bisphenol A-type unsaturated polyester (UP)s according to mass parts
Resin, 5 parts of pitches, 0.7 part of bismuth meal, 1 part of indium powder, 0.5 part of methoxy poly (ethylene glycol).
The present invention also provides the preparation methods of above-mentioned composite material pen core, comprising the following steps:
Step 1: being first proportionally uniformly mixed raw material, carries out preheating 3 hours under vacuum conditions, and preheating temperature is
It 280 DEG C, is then calcined under 330 DEG C of carbon protection；
Step 2: by calcined material injection-compression molding, then 110 DEG C anneal 3 hours to get arrive composite material pen core
Coarse fodder.
Embodiment 4
A kind of composite material pen core, raw material include 70 parts of graphite powders, 8 parts of bisphenol A-type unsaturated polyester (UP)s according to mass parts
Resin, 5 parts of pitches, 3 parts of bismuth meals, 0.08 part of indium powder, 2 parts of gallium powder, 1 part of cupric oxide powder, 0.1 part of methoxy poly (ethylene glycol), 0.3
Part carbon black.
The present invention also provides the preparation methods of above-mentioned composite material pen core, comprising the following steps:
Step 1: being first proportionally uniformly mixed raw material, carries out preheating 5 hours under vacuum conditions, and preheating temperature is
It 190 DEG C, is then calcined under 320 DEG C of carbon protection；
Step 2: by calcined material injection-compression molding, then in 100-120 DEG C of annealing 2-4 hours to get arriving composite wood
Expect pen core coarse fodder.
Embodiment 5
A kind of composite material pen core, raw material include 50 parts of graphite powders, 20 parts of bisphenol A-type unsaturated polyester (UP)s according to mass parts
Resin, 7 parts of pitches, 2.6 parts of bismuth meals, 0.01 part of indium powder, 0.9 part of gallium powder, 0.5 part of cupric oxide powder, the poly- second two of 0.4 part of methoxyl group
Alcohol, 0.1 part of carbon black.
The present invention also provides the preparation methods of above-mentioned composite material pen core, comprising the following steps:
Step 1: being first proportionally uniformly mixed raw material, carries out preheating 3-6 hours, preheating temperature under vacuum conditions
It is 160 DEG C, is then calcined under 330 DEG C of carbon protection；
Step 2: by calcined material injection-compression molding, then 110 DEG C anneal 4 hours to get arrive composite material pen core
Coarse fodder.
Embodiment 6
A kind of composite material pen core, raw material include 80 parts of graphite powders, 12 parts of bisphenol A-type unsaturated polyester (UP)s according to mass parts
Resin, 6 parts of pitches, 1.2 parts of bismuth meals, 0.8 part of indium powder, 0.9 part of gallium powder, 0.3 part of cupric oxide powder, the poly- second two of 0.3 part of methoxyl group
Alcohol, 0.2 part of carbon black.
The present invention also provides the preparation methods of above-mentioned composite material pen core, comprising the following steps:
Step 1: being first proportionally uniformly mixed raw material, carries out preheating 4 hours under vacuum conditions, and preheating temperature is
It 170 DEG C, is then calcined under 320 DEG C of carbon protection；
Step 2: by calcined material injection-compression molding, then 120 DEG C anneal 2 hours to get arrive composite material pen core
Coarse fodder.
For coarse fodder obtained in embodiment 6, hardness is equivalent to the HB rank in pencil hardness, can be used for general examine
Pen is used in test-run a machine reading.
Using above-described embodiment as experimental example, using pencil as comparative example 1, with alloy pen core (the tin bismuth that mass ratio is 40/60
Alloy) it is comparative example 2.Model BJC01 ball written examination is selected to write machine, setting speed is 60 circle per minute, and pencil is starting to try
Abrasion finishes quickly after testing, and continues test within 5 hours by experimental example and comparative example 2, the variation of pen core length is as shown in the table.
Have upper figure statistics indicate that each embodiment of the invention has better polishing machine than comparative example 2, according to
Wear rate is substantially calculated, and the service life of the composite material pen core of the invention of equal length is equivalent to the gold of comparative example 2
Belong to 1.5 times or so of pen core.In addition, it is general 1.3 millimeters long to write ten thousand metres abrasion using composite material pen core of the invention
Degree is wear-resisting durable.
In addition, as seen from Figure 1, the blackness of composite material pen core of the invention (by taking embodiment 6 as an example) is greater than comparison
The metal pen core of example 2.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of composite material pen core, which is characterized in that its raw material includes 50-90 parts of graphite powders, 8-20 parts pairs according to mass parts
Phenol A type unsaturated polyester resin, 3-8 parts of pitches, 0.1-3 parts of bismuth meals, 0.01-1 parts of indium powder.
2. composite material pen core according to claim 1, which is characterized in that further include 0.1-2 parts of gallium powder, 0.1-1 parts of oxygen
Change copper powders.
3. composite material pen core according to claim 2, which is characterized in that further include the poly- second two of 0.1-0.5 parts of methoxyl groups
Alcohol.
4. composite material pen core according to claim 2, which is characterized in that the glass putty, the bismuth meal, the indium powder,
The gallium powder, the cupric oxide powder granularity be 10 μm or less.
5. composite material pen core according to claim 3, which is characterized in that further include 0.1-0.3 parts of carbon blacks.
6. composite material pen core according to claim 5, which is characterized in that the granularity of the graphite powder and the carbon black is
4 μm or less.
7. composite material pen core according to claim 5, which is characterized in that its raw material includes 80 parts of graphite according to mass parts
Powder, 12 parts of Bisphenol a unsaturated polyester resins, 6 parts of pitches, 1.2 parts of bismuth meals, 0.8 part of indium powder, 0.9 part of gallium powder, 0.3 part of oxidation
Copper powders, 0.3 part of methoxy poly (ethylene glycol), 0.2 part of carbon black.
8. the preparation method of composite material pen core according to claim 1-7 characterized by comprising
Step 1: being first proportionally uniformly mixed raw material, preheated under vacuum conditions, and preheating temperature is 150-280 DEG C,
Then it is calcined under 310-340 DEG C of carbon protection；
Step 2: then calcined material injection-compression molding is annealed to get composite material pen core coarse fodder is arrived.
9. the preparation method of composite material pen core according to claim 8, which is characterized in that preheating time is 3-6 hours.
10. the preparation method of composite material pen core according to claim 8, which is characterized in that annealing temperature 100-120
DEG C, annealing time is 2-4 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910762481.2A CN110527358A (en) | 2019-08-19 | 2019-08-19 | A kind of composite material pen core and preparation method thereof |
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| CN201910762481.2A CN110527358A (en) | 2019-08-19 | 2019-08-19 | A kind of composite material pen core and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111117370A (en) * | 2019-12-11 | 2020-05-08 | 上海佳利笔业文具有限公司 | Wear-resistant pen refill and preparation method thereof |
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