CN106433321A - Production method of erasable crayon - Google Patents
Production method of erasable crayon Download PDFInfo
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- CN106433321A CN106433321A CN201610470693.XA CN201610470693A CN106433321A CN 106433321 A CN106433321 A CN 106433321A CN 201610470693 A CN201610470693 A CN 201610470693A CN 106433321 A CN106433321 A CN 106433321A
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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
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- Life Sciences & Earth Sciences (AREA)
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- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The invention discloses a production method of an erasable crayon. The erasable crayon comprises, by mass, 35-45 parts of deionized water, 3-8 parts of glycerin, 5-10 parts of propylene glycol, 3-8 parts of polyvinyl alcohol, 1-5 parts of polyvinylpyrrolidone, 8-15 parts of hydrogenated oil, 1-5 parts of paraffin wax, 15-25 parts of stearic acid, 3-8 parts of glyceryl stearate and 3-8 parts of a pigment toner, and the erasable crayon can be produced from above raw materials through the certain method. The erasable crayon is produced from the above raw materials through adopting the certain method. Compared with crayons in the prior art, the erasable crayon produced through the disclosed production method of the erasable crayon has the advantages of reservation of the original advantagse of present whiteboard pens, and avoids the whiteboard pens, and avoiding of the disadvantages of solvent existence, easiness in dryness, hardness and wearing of pen points, no refill replacement, resource waste and unfriendliness to the environment.
Description
Technical field
The present invention relates to stationery preparation field, exactly refer to the preparation method of a kind of erasable wax crayon.
Background technology
When daily life and office, white board marker can be used, the white board marker that present great majority use and sell, mainly by
The plastics pen cap, the fiber barrel containing ink, fiber nib three parts composition, mainly utilize ink for whiteboard at special whiteboard
Writing on material, then the solvent in ink for whiteboard evaporate in environment naturally, and it is former that solid opaque pigment remains on blank
Reason completes the process write.Existing white board marker is because pursuing quick-drying, staying plate and erasable, and general employing alcohols or ethers are molten
Agent is dissolved pigment and is made white board pen ink, and when using after causing white board marker to be uncapped, smell is more heavier, unfriendly to human and environment.
The slightly long-time non-lid cap for brush, forgets to cover the cap for brush in time or the cap for brush is lost, white board marker fiber nib ink can be excessively dry after writing
Dry, cause dry and hard, it is impossible to write or writing effect is not good, cause effective utilization to reduce and white board marker is scrapped.Other white board marker is fine
Dimension nib is easily damaged and weares and teares, and special non-white plate material surface is write, and causes white board marker not use obvious with service life
Shorten, cause the wasting of resources.White board marker belongs to disposable product, uses and just can not re-use after finishing, directly abandons, money
Source waste is big, does not meets conservation-minded society's theory and trend.
Therefore, existing erasable wax crayon need to improve, to overcome disadvantages mentioned above.
Content of the invention
For drawbacks described above, present invention solves the technical problem that the preparation method being to provide a kind of erasable wax crayon, prepare
Erasable wax crayon, inherit the original advantage of existing white board marker, turn avoid white board marker has a solvent, the easy dry and hard abrasion of nib, nothing
Change for core, the wasting of resources, to shortcomings such as environment are unfriendly.
In order to solve above technical problem, the preparation method of the erasable wax crayon that the present invention provides, including following mass parts
The raw material of proportioning：
Deionized water 35-45 part；Glycerine 3-8 part；Propane diols 5-10 part；Polyvinyl alcohol 3-8 part；Polyvinylpyrrolidone 1-
5 parts；Hydrogenated oil and fat 8-15 part；Paraffin 1-5 part；Stearic acid 15-25 part；Tristerin 3-8 part；Pigment toner 3-8 part；
Its preparation method is as follows：
Step one：Adding deionized water in reactor, limit high-speed stirred limit adds glycerine, propane diols, stirs, so
After be sequentially added into polyvinyl alcohol while stirring, polyvinylpyrrolidone carries out normal temperature close dissolving；
Step 2：After the dissolution of raw material of step one, slowly heat up while stirring, be sequentially added into while stirring hydrogenated oil and fat,
Paraffin and stearic acid, insulated and stirred dissolves mixing；
Step 3：After treating the dissolution of raw material of step 2, continue stirring heat up, while stirring add tristerin and
Pigment toner, after adding, heats up and opens ultrahigh speed strong stirring emulsification pretreatment recycle unit, and the dispersion of ultrahigh speed strong stirring is cut
Cut emulsification so that solid material fully dissolves mixing and emulsifying, be dispersed into homogeneous emulsion system；
Step 4：Discharging, to rolling compaction machine, carries out insulation and rolls, and after rolling a period of time, room temperature is cooled to solid, cooling
After solid, put in reactor and be again melted into liquid, discharging again carries out insulation and rolls, repeat to roll, melt secondary with
On, the solid after being cooled down；
Step 5：The solid obtaining step 4 puts into and is again melted into liquid in another reactor, then thermal-insulating filling
The filling apparatus that discharging is arrived, after thermal-insulating filling, drastically cooling allows product quick-frozen be molded, and after freeze forming completes, then the demoulding is made
Finished product, packs.
Preferably, in step one, adding deionized water in reactor, limit high-speed stirred limit adds glycerine, propane diols,
Stir, be then sequentially added into polyvinyl alcohol while stirring, polyvinylpyrrolidone carries out normal temperature close dissolving 8-10 hour.
Preferably, in step 2, after the dissolution of raw material of step one, slowly heat up while stirring, be warming up to 75-80
DEG C, it is sequentially added into hydrogenated oil and fat, paraffin and stearic acid while stirring, insulated and stirred dissolves mixing 8-10 hour.
Preferably, described raw material also includes the emulsifying agent that proportion by weight is 0.1-2 part.
Preferably, in step 3, after treating the dissolution of raw material of step 2, continue stirring and heat up, add while stirring and divide
Powder, tristerin and pigment toner, after adding, be warming up to 85-90 DEG C, and temperature control, at 85-90 DEG C, opens ultrahigh speed strength
Stirring emulsification pretreatment recycle unit, ultrahigh speed strong stirring dispersing shear emulsifies so that solid material fully dissolves mixing and emulsifying,
It is dispersed into homogeneous emulsion system.
Preferably, in step 3, after treating the dissolution of raw material of step 2, continue stirring and heat up, add while stirring and divide
Powder, tristerin and pigment toner, after adding, be warming up to 85-90 DEG C, and temperature control, at 85-90 DEG C, opens ultrahigh speed strength
Stirring emulsification pretreatment recycle unit, ultrahigh speed strong stirring dispersing shear emulsification circulation 20-30 hour so that solid material is abundant
Dissolve mixing and emulsifying, be dispersed into homogeneous emulsion system.
Preferably, in step 4, discharging, to rolling compaction machine, carries out insulation and rolls, and after rolling a period of time, room temperature cools down
Becoming solid, the solid after cooling, putting in reactor and be again melted into liquid at 85-90 DEG C, discharging again carries out insulation and rolls,
Repeat to roll, melt more than secondary, the solid after being cooled down.
Preferably, in step 4, discharging, to rolling compaction machine, carries out insulation and rolls, and after rolling a period of time, room temperature cools down
Becoming solid, the solid after cooling, putting in reactor and be again melted into liquid at 85-90 DEG C, discharging again carries out insulation and rolls,
Repeat to roll, melt 3-5 time, the solid after being cooled down.
Preferably, in step 5, the solid obtaining step 4 puts in another reactor and again melts at 85-90 DEG C
Chemical conversion liquid, then the filling apparatus that thermal-insulating filling discharging is arrived, after thermal-insulating filling, in 5-15 minutes, drastically cooling allows product
Product quick-frozen is molded, and after freeze forming completes, then finished product is made in the demoulding, packs.
Preferably, in step 5, described filling apparatus carries out quick-frozen by cryogenic freezing salt solution.
Compared with prior art, the preparation method of the erasable wax crayon that the present invention provides, prepared erasable wax crayon, inherits existing
Having the original advantage of white board marker, turn avoid white board marker has solvent, the easy dry and hard abrasion of nib, and nothing is changed for core, and the wasting of resources is right
The shortcomings such as environment is unfriendly.
The preparation method of the erasable wax crayon that the present invention provides, prepared erasable wax crayon, have the advantage that：
1st, can be used for various soft and hard dense lubricious material material surface write and paint, such as blank, blackboard, green
Plate, glass, the material surface such as metal, pottery, PVC, plastic cement, leather, synthetic leather, paper, hard card paper；
2nd, should not be used in surface excessively coarse, porose surface of loosening is write and paints；
3rd, it is suitable for DIY home decoration colored drawing and office Writing-painting uses.
Detailed description of the invention
In order to those skilled in the art better understood when technical scheme provided by the present invention, below in conjunction with specifically
Embodiment is illustrated.
The preparation method of the erasable wax crayon that the present invention provides, including the raw material of following proportion by weight：
Deionized water 35-45 part；Glycerine 3-8 part；Propane diols 5-10 part；Polyvinyl alcohol 3-8 part；Polyvinylpyrrolidone 1-
5 parts；Hydrogenated oil and fat 8-15 part；Emulsifying agent 0.1-2 part；Paraffin 1-5 part；Stearic acid 15-25 part；Tristerin 3-8 part；Pigment
Toner 3-8 part；
Its preparation method is as follows：
Step one：Adding deionized water in reactor, limit high-speed stirred limit adds glycerine, propane diols, stirs, so
After be sequentially added into polyvinyl alcohol while stirring, polyvinylpyrrolidone carries out normal temperature close dissolving 8-10 hour；
Step 2：After the dissolution of raw material of step one, slowly heat up while stirring, be warming up to 75-80 DEG C, depend on while stirring
Secondary addition hydrogenated oil and fat, paraffin and stearic acid, insulated and stirred dissolves mixing 8-10 hour；
Step 3：After treating the dissolution of raw material of step 2, continue stirring and heat up, add dispersant, stearic acid while stirring
Glyceride and pigment toner, after adding, be warming up to 85-90 DEG C, and temperature control, at 85-90 DEG C, opens ultrahigh speed strong stirring shearing breast
Change recycle unit, ultrahigh speed strong stirring dispersing shear emulsification circulation 20-30 hour so that solid material fully dissolves mixing breast
Change, be dispersed into homogeneous emulsion system；
Step 4：Discharging, to rolling compaction machine, carries out insulation and rolls, and after rolling a period of time, room temperature is cooled to solid, cooling
After solid, put in reactor and be again melted into liquid at 85-90 DEG C, discharging again carries out insulation and rolls, and repeats to roll, melts
Change more than secondary, the solid after being cooled down；
Step 5：The solid obtaining step 4 puts in another reactor and is again melted into liquid at 85-90 DEG C, then
The filling apparatus that thermal-insulating filling discharging is arrived, after thermal-insulating filling, in 5-15 minutes, drastically cooling allows product quick-frozen be molded,
After freeze forming completes, then finished product is made in the demoulding, packs.
In step 5, described filling apparatus carries out quick-frozen by cryogenic freezing salt solution.
Compared with prior art, the preparation method of the erasable wax crayon that the present invention provides, prepared erasable wax crayon, inherits existing
Having the original advantage of white board marker, turn avoid white board marker has solvent, the easy dry and hard abrasion of nib, and nothing is changed for core, and the wasting of resources is right
The shortcomings such as environment is unfriendly.
The preparation method of the erasable wax crayon that the present invention provides, prepared erasable wax crayon, have the advantage that：
1st, can be used for various soft and hard dense lubricious material material surface write and paint, such as blank, blackboard, green
Plate, glass, the material surface such as metal, pottery, PVC, plastic cement, leather, synthetic leather, paper, hard card paper；
2nd, should not be used in surface excessively coarse, porose surface of loosening is write and paints；
3rd, it is suitable for DIY home decoration colored drawing and office Writing-painting uses.
Embodiment 1
The erasable wax crayon main component proportion by weight of the present embodiment：
The preparation method of the erasable wax crayon of the present embodiment is as follows：
Step one：Adding deionized water in reactor, limit high-speed stirred limit adds glycerine, propane diols, stirs, so
After be sequentially added into polyvinyl alcohol while stirring, polyvinylpyrrolidone carries out normal temperature close dissolving 8 hours；
Step 2：After the dissolution of raw material of step one, slowly heat up while stirring, be warming up to 78 DEG C, while stirring successively
Adding hydrogenated oil and fat, paraffin and stearic acid, insulated and stirred dissolves mixing 8 hours；
Step 3：After treating the dissolution of raw material of step 2, continue stirring and heat up, add dispersant, stearic acid while stirring
Glyceride and pigment toner, after adding, be warming up to 85 DEG C, and temperature control, at 85 DEG C, opens the circulation of ultrahigh speed strong stirring emulsification pretreatment
Equipment, ultrahigh speed strong stirring dispersing shear emulsification circulation 20 hours so that solid material fully dissolves mixing and emulsifying, is dispersed into
Homogeneous emulsion system；
Step 4：Discharging, to rolling compaction machine, carries out insulation and rolls, and after rolling a period of time, room temperature is cooled to solid, cooling
After solid, put in reactor and be again melted into liquid at 85 DEG C, discharging again carries out insulation and rolls, and repeats to roll, melts
Solid more than secondary, after being cooled down；
Step 5：The solid obtaining step 4 puts in another reactor and is again melted into liquid at 85 DEG C, then protects
The filling apparatus that the filling discharging of temperature is arrived, after thermal-insulating filling, in 9 minutes, drastically cooling allows product quick-frozen be molded, and is frozen into
After type completes, then finished product is made in the demoulding, packs.
In step 5, described filling apparatus carries out quick-frozen by cryogenic freezing salt solution.
Embodiment 2
The erasable wax crayon main component proportion by weight of the present embodiment：
The preparation method of the erasable wax crayon of the present embodiment is as follows：
Step one：Adding deionized water in reactor, limit high-speed stirred limit adds glycerine, propane diols, stirs, so
After be sequentially added into polyvinyl alcohol while stirring, polyvinylpyrrolidone carries out normal temperature close dissolving 8-10 hour；
Step 2：After the dissolution of raw material of step one, slowly heat up while stirring, be warming up to 80 DEG C, while stirring successively
Adding hydrogenated oil and fat, paraffin and stearic acid, insulated and stirred dissolves mixing 10 hours；
Step 3：After treating the dissolution of raw material of step 2, continue stirring and heat up, add dispersant, stearic acid while stirring
Glyceride and pigment toner, after adding, be warming up to 90 DEG C, and temperature control, at 90 DEG C, opens the circulation of ultrahigh speed strong stirring emulsification pretreatment
Equipment, ultrahigh speed strong stirring dispersing shear emulsification circulation 24 hours so that solid material fully dissolves mixing and emulsifying, is dispersed into
Homogeneous emulsion system；
Step 4：Discharging, to rolling compaction machine, carries out insulation and rolls, and after rolling a period of time, room temperature is cooled to solid, cooling
After solid, put in reactor and be again melted into liquid at 90 DEG C, discharging again carries out insulation and rolls, and repeats to roll, melts
Solid more than secondary, after being cooled down；
Step 5：The solid obtaining step 4 puts in another reactor and is again melted into liquid at 90 DEG C, then protects
The filling apparatus that the filling discharging of temperature is arrived, after thermal-insulating filling, in 15 minutes, drastically cooling allows product quick-frozen be molded, freezing
After shaping completes, then finished product is made in the demoulding, packs.
In step 5, described filling apparatus carries out quick-frozen by cryogenic freezing salt solution.
Embodiment 3
The erasable wax crayon main component proportion by weight of the present embodiment：
The preparation method of the erasable wax crayon of the present embodiment is as follows：
Step one：Adding deionized water in reactor, limit high-speed stirred limit adds glycerine, propane diols, stirs, so
After be sequentially added into polyvinyl alcohol while stirring, polyvinylpyrrolidone carries out normal temperature close dissolving 8-10 hour；
Step 2：After the dissolution of raw material of step one, slowly heat up while stirring, be warming up to 80 DEG C, while stirring successively
Adding hydrogenated oil and fat, paraffin and stearic acid, insulated and stirred dissolves mixing 9 hours；
Step 3：After treating the dissolution of raw material of step 2, continue stirring and heat up, add dispersant, stearic acid while stirring
Glyceride and pigment toner, after adding, be warming up to 87 DEG C, and temperature control, at 87 DEG C, opens the circulation of ultrahigh speed strong stirring emulsification pretreatment
Equipment, ultrahigh speed strong stirring dispersing shear emulsification circulation 30 hours so that solid material fully dissolves mixing and emulsifying, is dispersed into
Homogeneous emulsion system；
Step 4：Discharging, to rolling compaction machine, carries out insulation and rolls, and after rolling a period of time, room temperature is cooled to solid, cooling
After solid, put in reactor and be again melted into liquid at 87 DEG C, discharging again carries out insulation and rolls, and repeats to roll, melts
Solid more than secondary, after being cooled down；
Step 5：The solid obtaining step 4 puts in another reactor and is again melted into liquid at 87 DEG C, then protects
The filling apparatus that the filling discharging of temperature is arrived, after thermal-insulating filling, in 10 minutes, drastically cooling allows product quick-frozen be molded, freezing
After shaping completes, then finished product is made in the demoulding, packs.
In step 5, described filling apparatus carries out quick-frozen by cryogenic freezing salt solution.
Embodiment 4
The erasable wax crayon main component proportion by weight of the present embodiment：
The preparation method of the erasable wax crayon of the present embodiment is as follows：
Step one：Adding deionized water in reactor, limit high-speed stirred limit adds glycerine, propane diols, stirs, so
After be sequentially added into polyvinyl alcohol while stirring, polyvinylpyrrolidone carries out normal temperature close dissolving 8-10 hour；
Step 2：After the dissolution of raw material of step one, slowly heat up while stirring, be warming up to 80 DEG C, while stirring successively
Adding hydrogenated oil and fat, paraffin and stearic acid, insulated and stirred dissolves mixing 9 hours；
Step 3：After treating the dissolution of raw material of step 2, continue stirring heat up, while stirring add tristerin and
Pigment toner, after adding, is warming up to 87 DEG C, and temperature control, at 87 DEG C, opens ultrahigh speed strong stirring emulsification pretreatment recycle unit, superelevation
Speed strong stirring dispersing shear emulsification circulation 30 hours so that solid material fully dissolves mixing and emulsifying, is dispersed into homogeneous breast
Liquid system；
Step 4：Discharging, to rolling compaction machine, carries out insulation and rolls, and after rolling a period of time, room temperature is cooled to solid, cooling
After solid, put in reactor and be again melted into liquid at 87 DEG C, discharging again carries out insulation and rolls, and repeats to roll, melts
Solid more than secondary, after being cooled down；
Step 5：The solid obtaining step 4 puts in another reactor and is again melted into liquid at 87 DEG C, then protects
The filling apparatus that the filling discharging of temperature is arrived, after thermal-insulating filling, in 10 minutes, drastically cooling allows product quick-frozen be molded, freezing
After shaping completes, then finished product is made in the demoulding, packs.
In step 5, described filling apparatus carries out quick-frozen by cryogenic freezing salt solution.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple modifications to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can realize without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and be to fit to and principles disclosed herein and features of novelty phase one
The scope the widest causing.
Claims (10)
1. the preparation method of an erasable wax crayon, it is characterised in that include the raw material of following proportion by weight：
Deionized water 35-45 part；Glycerine 3-8 part；Propane diols 5-10 part；Polyvinyl alcohol 3-8 part；Polyvinylpyrrolidone 1-5 part；
Hydrogenated oil and fat 8-15 part；Paraffin 1-5 part；Stearic acid 15-25 part；Tristerin 3-8 part；Pigment toner 3-8 part；
Its preparation method is as follows：
Step one：Adding deionized water in reactor, limit high-speed stirred limit adds glycerine, propane diols, stirs, then limit
Limit is sequentially added into polyvinyl alcohol, polyvinylpyrrolidone carries out normal temperature close dissolving in stirring；
Step 2：After the dissolution of raw material of step one, slowly heat up while stirring, be sequentially added into hydrogenated oil and fat, paraffin while stirring
And stearic acid, insulated and stirred dissolves mixing；
Step 3：After treating the dissolution of raw material of step 2, continue stirring and heat up, add tristerin and pigment while stirring
Toner, after adding, heats up and opens ultrahigh speed strong stirring emulsification pretreatment recycle unit, ultrahigh speed strong stirring dispersing shear breast
Change so that solid material fully dissolves mixing and emulsifying, is dispersed into homogeneous emulsion system；
Step 4：Discharging, to rolling compaction machine, carries out insulation and rolls, and after rolling a period of time, room temperature is cooled to solid, after cooling
Solid, puts in reactor and is again melted into liquid, and discharging again carries out insulation and rolls, and repeats to roll, melts more than secondary,
Solid after cooling；
Step 5：The solid obtaining step 4 puts into and is again melted into liquid in another reactor, then thermal-insulating filling discharging
The filling apparatus arriving, after thermal-insulating filling, drastically cooling allows product quick-frozen be molded, and after freeze forming completes, then finished product is made in the demoulding,
Pack.
2. the preparation method of erasable wax crayon according to claim 1, it is characterised in that in step one, in reactor
Adding deionized water, limit high-speed stirred limit adds glycerine, propane diols, stirs, is then sequentially added into polyethylene while stirring
Alcohol, polyvinylpyrrolidone carry out normal temperature close dissolving 8-10 hour.
3. the preparation method of erasable wax crayon according to claim 2, it is characterised in that in step 2, treat step one
After dissolution of raw material, slowly heat up while stirring, be warming up to 75-80 DEG C, be sequentially added into hydrogenated oil and fat, paraffin and tristearin while stirring
Acid, insulated and stirred dissolves mixing 8-10 hour.
4. the preparation method of erasable wax crayon according to claim 3, it is characterised in that described raw material also includes that mass parts is joined
Than the emulsifying agent for 0.1-2 part.
5. the preparation method of erasable wax crayon according to claim 4, it is characterised in that in step 3, treat step 2
After dissolution of raw material, continue stirring and heat up, add dispersant, tristerin and pigment toner while stirring, after adding, rise
Temperature is to 85-90 DEG C, and temperature control, at 85-90 DEG C, opens ultrahigh speed strong stirring emulsification pretreatment recycle unit, and ultrahigh speed strong stirring divides
Dissipate emulsification pretreatment so that solid material fully dissolves mixing and emulsifying, is dispersed into homogeneous emulsion system.
6. the preparation method of erasable wax crayon according to claim 5, it is characterised in that in step 3, treat step 2
After dissolution of raw material, continue stirring and heat up, add dispersant, tristerin and pigment toner while stirring, after adding, rise
Temperature is to 85-90 DEG C, and temperature control, at 85-90 DEG C, opens ultrahigh speed strong stirring emulsification pretreatment recycle unit, and ultrahigh speed strong stirring divides
Dissipate emulsification pretreatment circulation 20-30 hour so that solid material fully dissolves mixing and emulsifying, is dispersed into homogeneous emulsion system.
7. the preparation method of erasable wax crayon according to claim 6, it is characterised in that in step 4, discharging is to rolling
Machinery, carries out insulation and rolls, and after rolling a period of time, room temperature is cooled to solid, the solid after cooling, put in reactor
85-90 DEG C is melted into liquid again, and discharging again carries out insulation and rolls, and repeats to roll, melts more than secondary, after being cooled down
Solid.
8. the preparation method of erasable wax crayon according to claim 7, it is characterised in that in step 4, discharging is to rolling
Machinery, carries out insulation and rolls, and after rolling a period of time, room temperature is cooled to solid, the solid after cooling, put in reactor
85-90 DEG C is melted into liquid again, and discharging again carries out insulation and rolls, and repeats to roll, melts 3-5 time, consolidating after being cooled down
Body.
9. the preparation method of erasable wax crayon according to claim 8, it is characterised in that in step 5, step 4 is obtained
To solid put in another reactor and be again melted into liquid, then the filling apparatus that thermal-insulating filling discharging is arrived at 85-90 DEG C,
After thermal-insulating filling, in 5-15 minutes, drastically cooling allows product quick-frozen be molded, and after freeze forming completes, then the demoulding is made
Finished product, packs.
10. the preparation method of erasable wax crayon according to claim 9, it is characterised in that in step 5, described filling sets
Standby carry out quick-frozen by cryogenic freezing salt solution.
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| CN201610470693.XA CN106433321A (en) | 2016-06-17 | 2016-06-17 | Production method of erasable crayon |
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| CN201610470693.XA CN106433321A (en) | 2016-06-17 | 2016-06-17 | Production method of erasable crayon |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110003722A (en) * | 2019-05-05 | 2019-07-12 | 江苏兴达文具集团有限公司 | Without erasable wax crayon of APEO substance and preparation method thereof |
| CN110903705A (en) * | 2019-11-13 | 2020-03-24 | 上海画乐宝文化传媒有限公司 | Composition for manufacturing solid water powder stick, solid water powder stick and preparation method of solid water powder stick |
| CN112961542A (en) * | 2021-04-22 | 2021-06-15 | 江苏兴达文具集团有限公司 | Preparation method of antioxidant aqueous solid smearing pen |
| CN113755061A (en) * | 2021-09-17 | 2021-12-07 | 浙江理工大学 | Color clay crayon and preparation method thereof |
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| CN104893419A (en) * | 2015-07-06 | 2015-09-09 | 重庆大学 | Practical water-based white board pen ink and preparation method thereof |
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