CN110387167A - A kind of formula and preparation method of energy conservation and environmental protection plastic pencil - Google Patents
A kind of formula and preparation method of energy conservation and environmental protection plastic pencil Download PDFInfo
- Publication number
- CN110387167A CN110387167A CN201910640605.XA CN201910640605A CN110387167A CN 110387167 A CN110387167 A CN 110387167A CN 201910640605 A CN201910640605 A CN 201910640605A CN 110387167 A CN110387167 A CN 110387167A
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- parts
- pencil
- lead
- brightener
- grafting
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K19/00—Non-propelling pencils; Styles; Crayons; Chalks
- B43K19/16—Making non-propelling pencils
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K19/00—Non-propelling pencils; Styles; Crayons; Chalks
- B43K19/16—Making non-propelling pencils
- B43K19/18—Making pencil writing-cores
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2300/00—Characterised by the use of unspecified polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The invention discloses kind of an energy conservation and environmental protection plastic pencil formulas, including lead for retractable pencil formula and penholder formula；Lead for retractable pencil formula is made of the component of following parts by weight: 10-60 parts of color developing agent, 4-30 parts of calcium stearate, 4-8 parts of SBS rubber, 4-9 parts of paraffin, 6-10 parts of brightener, 30-60 parts of polystyrene；Penholder formula is made of the component of following parts by weight: 0.5-2.5 parts of foaming agent, 0.01-0.04 parts of transparent red, 0.02-0.06 parts of 2G Huang, 10-20 parts of rubber, PE10-20 parts, 10-20 parts of brightener, thick talcum powder 60-75 parts, 50-75 parts of foam beads；The present invention provides the formula and preparation method of a kind of energy conservation and environmental protection plastic pencil, can be effective to the progress of the plastics of plastic pencil preparation process modified toughened, improves lubricity, reduces the abrasion of production equipment；Production includes but is not limited to the plastic pencil of graphite, can draw multicolour, and using the production technology of injection molding, the graphite pencil that discards tradition produces the process for needing plate channeling, simplifies production technology, improves production efficiency.
Description
Technical field
The present invention relates to pencil manufacturing equipment technical fields, more particularly to a kind of formula of energy conservation and environmental protection plastic pencil.
Background technique
Pencil, be it is a kind of be used to write and dedicated class of drawing sketch, away from modern existing more than 400 years history,
In, pencil includes the outer layer penholder of internal lead for retractable pencil and package lead for retractable pencil.The lead for retractable pencil main component of pencil is graphite and clay, by state
Family's standard pencil is divided into 18 kinds of models according to graphite concentration.The pencil of early stage contains lead, but the master of pencil-lead that people use
Wanting ingredient is graphite and binder, no longer leaded, harmless.
Present pencil-lead because using graphite and clay, from produce following problems (1) graphite belong to it is non-renewable
Resource, the lead for retractable pencil using graphite as main material are no advantage for saving resource；(2) graphite and clay are required to ring
Condition face carries out excavation acquisition, can destroy geology and geomorphology, generates a large amount of dusts, welding；(3) acquisition is excavated with very high
Machine cost and cost of labor, to increase the cost of pencil manufacturing；Traditional graphite pencil manufacturing process is in pen
When prepared by bar, need to carry out channeling to plate, for the placement of pen core, preparation process is many and diverse.Generally speaking, existing pencil pair
The wasting of resources is big, and not environmentally friendly enough.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides formula and the preparation side of a kind of energy conservation and environmental protection plastic pencil
Method, can be effective to the progress of the plastics of plastic pencil preparation process modified toughened, improves lubricity, reduces the mill of production equipment
Damage；Production includes but is not limited to the plastic pencil of graphite, can draw multicolour, using the life tea technique of injection molding, is thrown
The process that the production of conventional graphite pencil needs plate channeling is abandoned, production technology is simplified, improves production efficiency.
In order to solve the above technical problems, the invention provides the following technical scheme: a kind of energy conservation and environmental protection plastic pencil formula, packet
Include lead for retractable pencil formula and penholder formula；The lead for retractable pencil formula is made of the component of following parts by weight: 10-60 parts of color developing agent, stearic acid
4-30 parts of calcium, 4-8 parts of SBS rubber, 4-9 parts of paraffin, 6-10 parts of brightener, 30-60 parts of polystyrene；The penholder formula by with
The component of lower parts by weight is made: 0.5-2.5 parts of foaming agent, 0.01-0.04 parts of transparent red, and 0.02-0.06 parts of 2G Huang, rubber 10-
20 parts, PE10-20 parts, 10-20 parts of brightener, thick talcum powder 60-75 parts, 50-75 parts of foam beads.
A kind of preparation method of energy conservation and environmental protection plastic pencil, the preparation method comprises the following steps:
(1) brightener grafting is handled: 16-30 parts of brightener and 0.03- are passed through in the alkaline solution of pH value 7-8.5
0.3 part of grafting agent keeps 1.5-3h at room temperature, forms grafting brightener mixed liquor A；
(2) basic species are precipitated: heating to the grafting brightener mixed liquor A in step (1), and keep bright to grafting
The pH value of agent A detects；Until stopping heating when the pH-value of grafting brightener mixed liquor A is lower than 5.5；
(3) basic species filter: by the grafting brightener mixed liquor in step (2) by filter device, dispelling the alkali of precipitation
Property object, formed grafting brightener mixed liquid B,
(4) brightener matches: by grafting brightener mixed liquid B by stoving process, dispelling excessive moisture, forms grafting light
Bright dose of C, by grafting brightener C, 6-10 and 10-20 divides for grafting brightener C1 and grafting brightener C2 according to the weight ratio；
(5) material mixes: by 10-60 parts of color developing agent, calcium stearate, and 4-30 parts；SBS rubber, 4-8 parts；Paraffin, 4-9 parts；
Be grafted brightener C1,16-10 parts；Polystyrene, 30-60 parts；It puts by above-mentioned parts by weight to mixing plant and is uniformly mixed, formed
Lead for retractable pencil mixed material；By foaming agent, 0.5-2.5 parts；Transparent red, 0.01-0.04 parts；2G is yellow, and 0.02-0.06 parts；Rubber, 10-
20 parts；PE, 10-20 parts；Be grafted brightener C2,10-20 parts；Thick talcum powder, 60-75 parts；Foam beads, 50-75 parts；By above-mentioned
Parts by weight put into mixing plant and are uniformly mixed, and form penholder mixed material；
(6) be granulated: by step (5) lead for retractable pencil mixed material and penholder mixed material be thrown to respectively lead for retractable pencil pelletizer and
Penholder pelletizer, pelletizer heat above-mentioned material, and temperature is held in 150-170 DEG C, and cooling is squeezed out after heating and is made
Lead for retractable pencil particle and penholder particle.
(7) lead for retractable pencil bracing wire: being thrown to lead for retractable pencil molding equipment for lead for retractable pencil particle, by hopper blanking, melting heating, lineman
After skill, lead zinc is made；
(8) pencil squeezes out: penholder particle being thrown to pencil extruder, penholder particle passes through hopper blanking, and blanking is laggard
Enter and melt heating chamber, form fused materials, fused materials are sent into forming cavity；Color lead lead for retractable pencil after being straightened is sent into forming cavity and melting
Material mixing forms the plastics for wrapping up color lead lead for retractable pencil along penholder after the mold of forming cavity squeezes out；
(9) cut light: the edge penholder after bracing wire is cooling along water-cooling groove, and cuts flat with both ends through cutting off disk in water-cooling groove end,
Form cutting pencil；
(9) it colours: cutting pencil being sent into each coloring apparatus, is coloured to penholder；
(10) it dries: the penholder after coloring is sent into baking oven drying；
(11) assemble rubber bucket: outsourcing rubber bucket is assembled with plastic pencil；
(12) it fines away: plastic pencil being subjected to sharpening processing by sharpener, finished plastic pencil is made；
(13) it packs: finished product packing storage.
As a preferred technical solution of the present invention, the color developing agent includes inorganic colourant and toner.
As a preferred technical solution of the present invention, the lead for retractable pencil molding equipment uses screw feeding, and the lead for retractable pencil
The molding port of molding equipment is detachably connected with it.
As a preferred technical solution of the present invention, the straightening turntable be equipped with it is several, and water-cooling groove end strike a bargain
Wrong equidistant arrangement.
As a preferred technical solution of the present invention, the outer edge surface of the modulation turntable is equipped with cutter.
As a preferred technical solution of the present invention, the lead for retractable pencil bracing wire, coloring and the working chamber of drying are connected to useless
Gurry recyclable device.
Compared with prior art, the attainable beneficial effect of the present invention is: the present invention provides a kind of energy conservation and environmental protection plastics lead
The formula and preparation method of pen can carry out effective modified toughened, raising lubricity to the plastics of plastic pencil preparation process,
Reduce the abrasion of production equipment；Production includes but is not limited to the plastic pencil of graphite, can draw multicolour, using being molded into
The production technology of type, the graphite pencil that discards tradition produce the process for needing plate channeling, simplify production technology, improve production
Efficiency.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained, and however, the following embodiments are merely preferred embodiments of the present invention, and not all.
Based on the implementation example in the implementation mode, those skilled in the art's obtained other realities without making creative work
Example is applied, protection scope of the present invention is belonged to.Experimental method in following embodiments is unless otherwise specified conventional method,
The materials, reagents and the like used in the following examples is commercially available unless otherwise specified.
Embodiment 1, color developing agent of the invention includes inorganic colourant and toner, specifically in the present embodiment, colour developing
Agent is the composite inorganic black colorant formed by ultra-fine iron black, carbon black and graphite, specifically, in the present embodiment, unit number
The ultra-fine iron black, carbon black and graphite ratio of color developing agent are 2:1:1；The present invention provides a kind of energy conservation and environmental protection plastic pencil formula, packet
Include lead for retractable pencil formula and penholder formula；Lead for retractable pencil formula is made of the component of following parts by weight: 60 parts of black colorant, calcium stearate 4
Part, 4 parts of SBS rubber, 4 parts of paraffin, 6 parts of brightener, 30 parts of polystyrene；Penholder formula is made of the component of following parts by weight:
0.5 part of foaming agent, 0.01 part of transparent red, 2G is 0.02 part yellow, and 10 parts of rubber, PE10 parts, 10 parts of brightener, 60 parts of thick talcum powder,
50 parts of foam beads.
A kind of preparation method of energy conservation and environmental protection plastic pencil, preparation method the following steps are included:
(1) brightener grafting is handled: the brightener that 16 parts are passed through in the alkaline solution of pH value 7-8.5 and 0.03 part connect
Branch agent, keeps 1.5-3h at room temperature, forms grafting brightener mixed liquor A；
(2) basic species are precipitated: heating to the grafting brightener mixed liquor A in step (1), and keep bright to grafting
The pH value of agent A detects；Until stopping heating when the pH-value of grafting brightener mixed liquor A is lower than 5.5；
(3) basic species filter: by the grafting brightener mixed liquor in step (2) by filter device, dispelling the alkali of precipitation
Property object, formed grafting brightener mixed liquid B,
(4) brightener matches: by grafting brightener mixed liquid B by stoving process, dispelling excessive moisture, forms grafting light
Bright dose of C, will grafting brightener C according to the weight ratio 6 and 10 points for grafting brightener C1 and grafting brightener C2；
(5) material mixes: by 60 parts of black colorant, calcium stearate, and 4 parts；SBS rubber, 4 parts；Paraffin, 4 parts；It is grafted light
Bright dose of C1,16 parts；Polystyrene, 30 parts；It puts by above-mentioned parts by weight to mixing plant and is uniformly mixed, form lead for retractable pencil mixture
Material；By foaming agent, 0.5 part；Transparent red, 0.01 part；2G is yellow, and 0.02 part；Rubber, 10 parts；PE, 10 parts；Be grafted brightener C2,10
Part；Thick talcum powder, 60 parts；Foam beads, 50 parts；It puts by above-mentioned parts by weight to mixing plant and is uniformly mixed, it is mixed to form penholder
Close material；
(6) be granulated: by step (5) lead for retractable pencil mixed material and penholder mixed material be thrown to respectively lead for retractable pencil pelletizer and
Penholder pelletizer, pelletizer heat above-mentioned material, and temperature is held in 150-170 DEG C, and cooling is squeezed out after heating and is made
Lead for retractable pencil particle and penholder particle.
(7) lead for retractable pencil bracing wire: being thrown to lead for retractable pencil molding equipment for lead for retractable pencil particle, by hopper blanking, melting heating, lineman
After skill, lead zinc is made；
(8) pencil squeezes out: penholder particle being thrown to pencil extruder, penholder particle passes through hopper blanking, and blanking is laggard
Enter and melt heating chamber, form fused materials, fused materials are sent into forming cavity；Color lead lead for retractable pencil after being straightened is sent into forming cavity and melting
Material mixing forms the plastics for wrapping up color lead lead for retractable pencil along penholder after the mold of forming cavity squeezes out；
(9) cut light: the edge penholder after bracing wire is cooling along water-cooling groove, and cuts flat with both ends through cutting off disk in water-cooling groove end,
Form cutting pencil；
(9) it colours: cutting pencil being sent into each coloring apparatus, is coloured to penholder；
(10) it dries: the penholder after coloring is sent into baking oven drying；
(11) assemble rubber bucket: outsourcing rubber bucket is assembled with plastic pencil；
(12) it fines away: plastic pencil being subjected to sharpening processing by sharpener, finished plastic pencil is made；
(13) it packs: finished product packing storage.
Lead for retractable pencil molding equipment of the invention uses screw feeding, and the molding port of lead for retractable pencil molding equipment detachably connects with it
It connects, the gluey material in melt chamber is further uniformly mixed by spiral feeding mode, and is transported to lead for retractable pencil molding outlet, shape
At graphite plastic lead for retractable pencil；And the molding port being detachably connected, so that the mould outlet with different bores is able to produce difference directly
The lead for retractable pencil of diameter improves the practicality energy；Straightening turntable is equipped with several, and in water-cooling groove end at staggeredly equidistant arrangement, straightening turns
Disk will be fed forward along penholder along the straightening turntable of staggeredly equidistant arrangement, and the straightening turntable in end is cut off through cutter,
Equidistant semi-finished product are made；The working chamber of lead for retractable pencil bracing wire, coloring and drying is connected to recovery device of wastes, scrap concrete
The recycling of device realization organic exhaust gas and organic waste body.
Embodiment 2, color developing agent of the invention includes inorganic colourant and toner, specifically in the present embodiment, colour developing
Agent is non-black colorant, specifically, the formula of non-black colorant is as follows:
The present invention provides a kind of energy conservation and environmental protection plastic pencil formula, including lead for retractable pencil formula and penholder formula；Lead for retractable pencil formula by
The component of following parts by weight is made: 10 parts of color developing agent, 30 parts of calcium stearate, 8 parts of SBS rubber, 9 parts of paraffin, 10 parts of brightener, gathering
60 parts of styrene；Penholder formula is made of the component of following parts by weight: 2.5 parts of foaming agent, 0.04 part of transparent red, and 2G Huang 0.06
Part, 20 parts of rubber, PE20 parts, 20 parts of brightener, 75 parts of thick talcum powder, 75 parts of foam beads.
A kind of preparation method of energy conservation and environmental protection plastic pencil, preparation method the following steps are included:
(1) brightener grafting is handled: the brightener that 30 parts are passed through in the alkaline solution of pH value 7-8.5 and 0.3 part connect
Branch agent, keeps 1.5-3h at room temperature, forms grafting brightener mixed liquor A；
(2) basic species are precipitated: heating to the grafting brightener mixed liquor A in step (1), and keep bright to grafting
The pH value of agent A detects；Until stopping heating when the pH-value of grafting brightener mixed liquor A is lower than 5.5；
(3) basic species filter: by the grafting brightener mixed liquor in step (2) by filter device, dispelling the alkali of precipitation
Property object, formed grafting brightener mixed liquid B,
(4) brightener matches: by grafting brightener mixed liquid B by stoving process, dispelling excessive moisture, forms grafting light
Bright dose of C, will grafting brightener C according to the weight ratio 10 and 20 points for grafting brightener C1 and grafting brightener C2；
(5) material mixes: by 10 parts of color developing agent, calcium stearate, and 30 parts；SBS rubber, 8 parts；Paraffin, 9 parts；Grafting is bright
Agent C1,10 parts；Polystyrene, 60 parts；It puts by above-mentioned parts by weight to mixing plant and is uniformly mixed, form lead for retractable pencil mixed material；
By foaming agent, 2.5 parts；Transparent red, 0.04 part；2G is yellow, and 0.06 part；Rubber, 20 parts；PE, 20 parts；Be grafted brightener C2,20 parts；
Thick talcum powder, 75 parts；Foam beads, 75 parts；It puts by above-mentioned parts by weight to mixing plant and is uniformly mixed, form penholder mixture
Material；
(6) be granulated: by step (5) lead for retractable pencil mixed material and penholder mixed material be thrown to respectively lead for retractable pencil pelletizer and
Penholder pelletizer, pelletizer heat above-mentioned material, and temperature is held in 150-170 DEG C, and cooling is squeezed out after heating and is made
Lead for retractable pencil particle and penholder particle.
(7) lead for retractable pencil bracing wire: being thrown to lead for retractable pencil molding equipment for lead for retractable pencil particle, by hopper blanking, melting heating, lineman
After skill, lead zinc is made；
(8) pencil squeezes out: penholder particle being thrown to pencil extruder, penholder particle passes through hopper blanking, and blanking is laggard
Enter and melt heating chamber, form fused materials, fused materials are sent into forming cavity；Color lead lead for retractable pencil after being straightened is sent into forming cavity and melting
Material mixing forms the plastics for wrapping up color lead lead for retractable pencil along penholder after the mold of forming cavity squeezes out；
(9) cut light: the edge penholder after bracing wire is cooling along water-cooling groove, and cuts flat with both ends through cutting off disk in water-cooling groove end,
Form cutting pencil；
(9) it colours: cutting pencil being sent into each coloring apparatus, is coloured to penholder；
(10) it dries: the penholder after coloring is sent into baking oven drying；
(11) assemble rubber bucket: outsourcing rubber bucket is assembled with plastic pencil；
(12) it fines away: plastic pencil being subjected to sharpening processing by sharpener, finished plastic pencil is made；
(13) it packs: finished product packing storage.
Lead for retractable pencil molding equipment of the invention uses screw feeding, and the molding port of lead for retractable pencil molding equipment detachably connects with it
It connects, the gluey material in melt chamber is further uniformly mixed by spiral feeding mode, and is transported to lead for retractable pencil molding outlet, shape
At graphite plastic lead for retractable pencil；And the molding port being detachably connected, so that the mould outlet with different bores is able to produce difference directly
The lead for retractable pencil of diameter improves the practicality energy；Straightening turntable is equipped with several, and in water-cooling groove end at staggeredly equidistant arrangement, straightening turns
Disk will be fed forward along penholder along the straightening turntable of staggeredly equidistant arrangement, and the straightening turntable in end is cut off through cutter,
Equidistant semi-finished product are made；The working chamber of lead for retractable pencil bracing wire, coloring and drying is connected to recovery device of wastes, scrap concrete
The recycling of device realization organic exhaust gas and organic waste body.
The present invention provides the formula and preparation method of a kind of energy conservation and environmental protection plastic pencil, can be to plastic pencil preparation process
Plastics carry out effective modified toughened, improve lubricity, reduce the abrasion of production equipment；Production includes but is not limited to graphite
Plastic pencil can draw multicolour, and using the production technology of injection molding, the graphite pencil that discards tradition production needs plate
The process of channeling, simplifies production technology, improves production efficiency.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of
First feature horizontal height is less than second feature.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
For personnel it should be appreciated that the present invention is not limited to the above embodiments, described in the above embodiment and specification is only the present invention
Preference, be not intended to limit the invention, without departing from the spirit and scope of the present invention, the present invention also has various
Changes and improvements, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by institute
Attached claims and its equivalent thereof.
Claims (7)
1. a kind of energy conservation and environmental protection plastic pencil formula, including lead for retractable pencil formula and penholder formula；It is characterized by: the lead for retractable pencil formula
It is made of the component of following parts by weight: 10-60 parts of color developing agent, 4-30 parts of calcium stearate, 4-8 parts of SBS rubber, 4-9 parts of paraffin, light
Bright dose 6-10 parts, 30-60 parts of polystyrene；The penholder formula is made of the component of following parts by weight: foaming agent 0.5-2.5
Part, it is 0.01-0.04 parts of transparent red, 0.02-0.06 parts of 2G Huang, 10-20 parts of rubber, PE10-20 parts, 10-20 parts of brightener, thick sliding
60-75 parts of mountain flour, 50-75 parts of foam beads.
2. a kind of preparation method of energy conservation and environmental protection plastic pencil, it is characterised in that: the preparation method comprises the following steps:
(1) brightener grafting handle: be passed through in the alkaline solution of pH value 7-8.5 16-30 parts brightener and 0.03-0.3 parts
Grafting agent, keep 1.5-3h at room temperature, form grafting brightener mixed liquor A；
(2) basic species are precipitated: heating, and kept to grafting brightener A to the grafting brightener mixed liquor A in step (1)
PH value detection；Until stopping heating when the pH-value of grafting brightener mixed liquor A is lower than 5.5；
(3) basic species filter: by the grafting brightener mixed liquor in step (2) by filter device, the basic species of precipitation are dispelled,
Grafting brightener mixed liquid B is formed,
(4) brightener matches: by grafting brightener mixed liquid B by stoving process, dispelling excessive moisture, forms grafting brightener
C, by grafting brightener C, 6-10 and 10-20 divides for grafting brightener C1 and grafting brightener C2 according to the weight ratio；
(5) material mixes: by 10-60 parts of color developing agent, calcium stearate, and 4-30 parts；SBS rubber, 4-8 parts；Paraffin, 4-9 parts；Grafting
Brightener C1,16-10 part；Polystyrene, 30-60 parts；It puts by above-mentioned parts by weight to mixing plant and is uniformly mixed, form lead for retractable pencil
Mixed material；By foaming agent, 0.5-2.5 parts；Transparent red, 0.01-0.04 parts；2G is yellow, and 0.02-0.06 parts；Rubber, 10-20 parts；
PE, 10-20 parts；Be grafted brightener C2,10-20 parts；Thick talcum powder, 60-75 parts；Foam beads, 50-75 parts；By above-mentioned weight
Part investment to mixing plant is uniformly mixed, and forms penholder mixed material；
(6) be granulated: by step (5) lead for retractable pencil mixed material and penholder mixed material be thrown to lead for retractable pencil pelletizer and penholder respectively
Pelletizer, pelletizer heat above-mentioned material, and temperature is held in 150-170 DEG C, cooling are squeezed out after heating, lead for retractable pencil is made
Particle and penholder particle.
(7) lead for retractable pencil bracing wire: being thrown to lead for retractable pencil molding equipment for lead for retractable pencil particle, by hopper blanking, melting heating, bracing wire technique
Afterwards, lead zinc is made；
(8) pencil squeezes out: penholder particle being thrown to pencil extruder, penholder particle passes through hopper blanking, enters after blanking molten
Melt heating chamber, form fused materials, fused materials are sent into forming cavity；Color lead lead for retractable pencil after being straightened is sent into forming cavity and fused materials
Mixing forms the plastics for wrapping up color lead lead for retractable pencil along penholder after the mold of forming cavity squeezes out；
(9) cut light: the edge penholder after bracing wire is cooling along water-cooling groove, and cuts flat with both ends through cutting off disk in water-cooling groove end, is formed
Cut off pencil；
(9) it colours: cutting pencil being sent into each coloring apparatus, is coloured to penholder；
(10) it dries: the penholder after coloring is sent into baking oven drying；
(11) assemble rubber bucket: outsourcing rubber bucket is assembled with plastic pencil；
(12) it fines away: plastic pencil being subjected to sharpening processing by sharpener, finished plastic pencil is made；
(13) it packs: finished product packing storage.
3. a kind of formula of energy conservation and environmental protection plastic pencil according to claim 1, it is characterised in that: the color developing agent includes
Inorganic colourant and toner.
4. a kind of formula of energy conservation and environmental protection plastic pencil according to claim 2, it is characterised in that: the lead for retractable pencil molding is set
It is standby to use screw feeding, and the molding port of the lead for retractable pencil molding equipment is detachably connected with it.
5. a kind of formula of energy conservation and environmental protection plastic pencil according to claim 2, it is characterised in that: the straightening turntable is set
Have it is several, and in water-cooling groove end at staggeredly equidistant arrangement.
6. a kind of formula of energy conservation and environmental protection plastic pencil according to claim 2, it is characterised in that: the modulation turntable
Outer edge surface is equipped with cutter.
7. a kind of formula of energy conservation and environmental protection plastic pencil according to claim 2, it is characterised in that: the lead for retractable pencil bracing wire,
It colours and is connected to recovery device of wastes with the working chamber of drying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910640605.XA CN110387167A (en) | 2019-07-16 | 2019-07-16 | A kind of formula and preparation method of energy conservation and environmental protection plastic pencil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910640605.XA CN110387167A (en) | 2019-07-16 | 2019-07-16 | A kind of formula and preparation method of energy conservation and environmental protection plastic pencil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110387167A true CN110387167A (en) | 2019-10-29 |
Family
ID=68286606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910640605.XA Withdrawn CN110387167A (en) | 2019-07-16 | 2019-07-16 | A kind of formula and preparation method of energy conservation and environmental protection plastic pencil |
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| Country | Link |
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| CN (1) | CN110387167A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101200610A (en) * | 2007-01-16 | 2008-06-18 | 方波 | Technical formula of rubber plastic wood-like pencil and manufacturing process therefor |
| CN109050081A (en) * | 2018-08-08 | 2018-12-21 | 安徽得亿文教用品有限公司 | A kind of environmental protection wood-like plastics pencil preparation process |
| SG11201903769UA (en) * | 2016-10-26 | 2019-05-30 | Danimer Bioplastics Inc | Renewable, biodegradable marking wax composition |
-
2019
- 2019-07-16 CN CN201910640605.XA patent/CN110387167A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101200610A (en) * | 2007-01-16 | 2008-06-18 | 方波 | Technical formula of rubber plastic wood-like pencil and manufacturing process therefor |
| SG11201903769UA (en) * | 2016-10-26 | 2019-05-30 | Danimer Bioplastics Inc | Renewable, biodegradable marking wax composition |
| CN109050081A (en) * | 2018-08-08 | 2018-12-21 | 安徽得亿文教用品有限公司 | A kind of environmental protection wood-like plastics pencil preparation process |
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