CN109553872A - A kind of composite material and preparation method and application of plastic penholder - Google Patents
A kind of composite material and preparation method and application of plastic penholder Download PDFInfo
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- CN109553872A CN109553872A CN201811552233.7A CN201811552233A CN109553872A CN 109553872 A CN109553872 A CN 109553872A CN 201811552233 A CN201811552233 A CN 201811552233A CN 109553872 A CN109553872 A CN 109553872A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
- C08L25/06—Polystyrene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of composite material and preparation method of plastic penholder and application, raw material includes general purpose polystyrene, high density polyethylene (HDPE), high pressure polyethylene, styrene and auxiliary agent；In terms of mass percentage, the mass percentage that general purpose polystyrene accounts for raw material is 20-35%, high density polyethylene (HDPE) accounts for 9-15%, high pressure polyethylene accounts for 3-8% and styrene accounts for 8-15%, general purpose polystyrene, high density polyethylene (HDPE), high pressure polyethylene and styrene the mass ratio that feeds intake be 1.3-2.7 ︰ 0.7-1.5 ︰ 0.2-0.6 ︰ 1；Preparation: extrusion molding is carried out after the raw material of each formula ratio is mixed and is made；And above-mentioned composite material is preparing the application in plastic penholder；The present invention can promote the bending strength of penholder under the premise of not increasing penholder weight, improve the performances such as cutting effect.
Description
Technical field
The invention belongs to stationery fields, and in particular to a kind of composite material and preparation method of plastic penholder and
Using.
Background technique
At present on the market the penholder of plastic production with its light weight, the processing is simple etc., and advantages have been widely used, but
More or less problem is remained in actual application, significantly limits its application.
Such as Chinese invention patent CN108359188A, it discloses a kind of formula of plastic pencil arm, each material
It matches (according to parts by weight) as follows: 20 parts~30 parts of high impact polystyrene (changing benzene)；35 parts of general purpose polystyrene (saturating benzene)
~45 parts；5 parts~10 parts of wood powder；12~18 parts of butadiene-styrene rubber；25~35 parts of talcum powder；0.15~0.25 part of calcium stearate；Firmly
0.15~0.25 part of resin acid zinc；0.12~0.18 part of foaming agent；0.08~0.12 part of toner；However this patent is in order to improve penholder
Stock-removing efficiency and loss of weight, used wood powder, be unfavorable for environmental protection, and penholder bending strength made of this patent is not still simultaneously
Foot.
For another example Chinese invention patent CN2011103076329 discloses a kind of plastic pencil, the composition of raw materials packet of penholder
It includes: compound stabilizer 0.5%-10%, polyvinyl chloride resin 10%-50%, Plant Powder (such as wood powder, bamboo powder, milled powders of cornstalk, straw powder
Deng) 10%-80%, lubricant (outer) 1%-10%, lubricant (interior) 1% -10%, environment-friendly plasticizer 1%-10%, cured 1%-
10%, stearic acid 1%-10%, rubber 1%-10%, ACR 1%-10%, engineering plastics (ABS) 1%-15%, AC hair plane agent
1%-10%, molding regulator 5% -15%, graphite 5%-25%；Although this patent is by using the engineering plastic of 1%-15%
Material (ABS) improves the bending strength of penholder to a certain extent, but also increases production cost simultaneously, and the bending resistance of penholder
Intensity and cutting effect still are apparent not enough.
Therefore, those skilled in the art, which urgently seeks one kind, to promote penholder under the premise of not increasing penholder weight
Bending strength, improve cutting effect methods.
Summary of the invention
The technical problem to be solved by the present invention is to overcome deficiency in the prior art, a kind of improved plastic penholder is provided
Composite material, the bending strength of penholder can be promoted under the premise of not increasing penholder weight, improves cutting effect etc.
Performance.
The present invention also provides a kind of preparation methods of the composite material of plastic penholder.
The present invention also provides a kind of composite materials of plastic penholder to prepare the application in plastic penholder.
The present invention additionally provides a kind of plastic pencil simultaneously.
In order to solve the above technical problems, a kind of technical solution that the present invention takes is as follows:
A kind of composite material of plastic penholder, the raw material of the composite material include general purpose polystyrene and auxiliary agent, institute
Stating raw material further includes high density polyethylene (HDPE), high pressure polyethylene and styrene；Wherein, described general poly- in terms of mass percentage
The mass percentage that styrene accounts for the raw material is 20-35%, and the high density polyethylene (HDPE) accounts for the quality percentage of the raw material
Content is 9-15%, and the mass percentage that the high pressure polyethylene accounts for the raw material is 3-8%, and the styrene accounts for the original
The mass percentage of material is 8-15%, wherein the general purpose polystyrene, the high density polyethylene (HDPE), the high pressure polyethylene
The mass ratio that feeds intake with the styrene is 1.3-2.7 ︰ 0.7-1.5 ︰ 0.2-0.6 ︰ 1.
Some preferred aspects according to the present invention, the general purpose polystyrene is with ASTM D1238 standard in 190 DEG C of conditions
Under when according to test load being 2.16Kg the melt index that measures be 8~9g/10min.
Some preferred aspects according to the present invention, the high density polyethylene (HDPE) is with ASTM D1238 standard in 190 DEG C of conditions
Under when according to test load being 2.16Kg the melt index that measures be 0.9~1.2g/10min.
Some preferred aspects according to the present invention, the high pressure polyethylene is with ASTM D1238 standard under the conditions of 190 DEG C
It is 1.7~2.3g/10min according to the melt index measured when load is 2.16Kg is tested.
Some preferred aspects according to the present invention, in the raw material, the additive amount of the general purpose polystyrene is greater than described
The additive amount of high density polyethylene (HDPE).
Some preferred aspects according to the present invention, the auxiliary agent include talcum powder, kaolin, toner, foaming agent, stearic acid
Calcium and white oil.
Some preferred aspects according to the present invention, in terms of mass percentage, the auxiliary agent by accounting for the raw material respectively
Mass percentage be the talcum powder of 15-30%, the kaolin of 5-15%, 0.2-0.5% toner, 0.1-0.6% foaming
The white oil of agent, the calcium stearate of 1-10% and 0.3-5% is constituted.
Some specific aspects according to the present invention, the toner are organic toner and/or inorganic toner；Wherein, the machine
Toner specifically includes permanent bordeaux 170, organic yellow 13；The inorganic toner specifically includes iron oxide red.
Some specific aspects according to the present invention, the foaming agent include sodium bicarbonate.
Some preferred aspects according to the present invention, the composite material are prepared via a method which and obtain: weighing by formula
Each raw material, by the general purpose polystyrene, the high density polyethylene (HDPE), the high pressure polyethylene and the styrene after drying
It mixes, then sequentially adds talcum powder, kaolin, toner, foaming agent, calcium stearate and white oil, mix, at 180-220 DEG C
Extrusion molding is made.
It is highly preferred that carrying out the extrusion molding at 200-220 DEG C of temperature.One according to the present invention specific side
Face carries out the extrusion molding at 210 DEG C of temperature.
A kind of another technical solution disclosed by the invention: preparation side of the composite material by plastic penholder described above
Method, the preparation method include the following steps:
(1) each raw material is weighed by formula rate, by the weighed general purpose polystyrene, the high density polyethylene (HDPE), institute
It states high pressure polyethylene and the styrene is dried respectively, be dried to moisture content less than or equal to 3%；
(2) general purpose polystyrene, the high density polyethylene (HDPE), the high pressure polyethylene by step (1) after dry
It is mixed with the styrene, auxiliary agent is then added, the composite material is made in the extrusion molding at 180-220 DEG C after mixing.
Another technical solution disclosed by the invention: a kind of composite material by plastic penholder described above is moulded in preparation
Expect the application in penholder.
Another technical solution disclosed by the invention: a kind of plastic pencil, the plastic pencil include plastic penholder, the modeling
Material penholder is made of the composite material of plastic penholder described above.
Due to the use of above technical scheme, the invention has the following advantages over the prior art:
The present invention is by being used in compounding general purpose polystyrene, high density polyethylene (HDPE), high pressure polyethylene and styrene, each ingredient
It acts synergistically and a kind of composite material is made, can be applied to prepare plastic penholder and plastic penholder is made not increase weight
While have both excellent bending strength and cutting effect, and, relative inexpensiveness more friendly to environment, be suitable for scale
Production.
Specific embodiment
Above scheme is described further below in conjunction with specific embodiment；It should be understood that these embodiments are for illustrating
The basic principles, principal features and advantages of the present invention, and the present invention is not by the scope limitation of following embodiment；It is used in embodiment
Implementation condition further adjustment can be done according to specific requirement, the implementation condition being not specified is usually the item in routine experiment
Part.
Without specific instruction in following embodiments, all raw materials are both from conventional method system commercially available or by this field
It is standby and obtain.In following embodiments, General Purpose Polystyrenre be purchased from TaiWan, China surprise beauty PG-33, ASTM D1238,190 DEG C,
Melt index is about 8.5g/10min when 2.16Kg)；High density polyethylene (HDPE) is purchased from Yangtze petrochemical industry HDPE5000S, ASTM D1238,
190 DEG C, melt index is about 1.0g/10min when 2.16Kg)；High pressure polyethylene is purchased from Sinopec LDPE-LD100AC, ASTM
D1238,190 DEG C, melt index is about 2.0g/10min when 2.16Kg)；Other raw materials are commercially available industrial goods.
Embodiment 1
The present embodiment provides a kind of composite material of plastic penholder, raw material include: 20 parts of General Purpose Polystyrenre,
15 parts of high density polyethylene (HDPE), 8 parts of high pressure polyethylene, 15 parts of styrene, 30 parts of talcum powder, 5 parts of kaolin, 0.5 part of iron oxide red, carbonic acid
0.2 part of hydrogen sodium, 6 parts of calcium stearate, 0.3 part of white oil.
Preparation method includes the following steps: to gather 20 parts of resin raw material General Purpose Polystyrenre after drying, high density
15 parts of ethylene, 8 parts of high pressure polyethylene stir 10min in 15 parts of addition high speed blenders of styrene, are allowed to dispersion without agglomeration；According to
Secondary 30 parts of weighing talcum powder, 5 parts of kaolin, 0.5 part of iron oxide red, 0.2 part of sodium bicarbonate, 6 parts of calcium stearate, 0.3 part of white oil addition
30min is stirred in high speed blender, is sufficiently mixed raw material uniformly.Each raw material after stirring are passed through into double screw extruder
It squeezing out, extrusion temperature is 210 DEG C, it is then fervent by air-cooled die-surface, the composite material of the plastic penholder is made.
Embodiment 2
The present embodiment provides a kind of composite material of plastic penholder, raw material include: 25 parts of General Purpose Polystyrenre,
15 parts of high density polyethylene (HDPE), 6 parts of high pressure polyethylene, 10 parts of styrene, 28 parts of talcum powder, 12 parts of kaolin, 0.2 part of iron oxide red, carbon
0.1 part of sour hydrogen sodium, 2.7 parts of calcium stearate, 1 part of white oil.
Preparation method includes the following steps: to gather 25 parts of resin raw material General Purpose Polystyrenre after drying, high density
15 parts of ethylene, 6 parts of high pressure polyethylene stir 10min in 10 parts of addition high speed blenders of styrene, are allowed to dispersion without agglomeration；According to
Secondary 28 parts of weighing talcum powder, 12 parts of kaolin, 0.2 part of iron oxide red, 0.1 part of sodium bicarbonate, 2.7 parts of calcium stearate, 1 part of white oil plus
Enter and stir 30min in high speed blender, is sufficiently mixed raw material uniformly.Each raw material after stirring are passed through into twin-screw extrusion
Machine squeezes out, and extrusion temperature is 210 DEG C, then fervent by air-cooled die-surface, and the composite material of the plastic penholder is made.
Embodiment 3
The present embodiment provides a kind of composite material of plastic penholder, raw material include: 30 parts of General Purpose Polystyrenre,
9 parts of high density polyethylene (HDPE), 5 parts of high pressure polyethylene, 15 parts of styrene, 18 parts of talcum powder, 15 parts of kaolin, 0.4 part of iron oxide red, carbonic acid
0.6 part of hydrogen sodium, 4 parts of calcium stearate, 3 parts of white oil.
Preparation method includes the following steps: to gather 30 parts of resin raw material General Purpose Polystyrenre after drying, high density
9 parts of ethylene, 5 parts of high pressure polyethylene stir 10min in 15 parts of addition high speed blenders of styrene, are allowed to dispersion without agglomeration；Successively
Weigh 3 parts of 18 parts of talcum powder, 15 parts of kaolin, 0.4 part of iron oxide red, 0.6 part of sodium bicarbonate, 4 parts of calcium stearate, white oil additions height
30min is stirred in fast blender, is sufficiently mixed raw material uniformly.Each raw material after stirring are squeezed by double screw extruder
Out, extrusion temperature is 210 DEG C, then fervent by air-cooled die-surface, and the composite material of the plastic penholder is made.
Embodiment 4
The present embodiment provides a kind of composite material of plastic penholder, raw material include: 35 parts of General Purpose Polystyrenre,
10 parts of high density polyethylene (HDPE), 4 parts of high pressure polyethylene, 13 parts of styrene, 15 parts of talcum powder, 7 parts of kaolin, permanent bordeaux 170 0.5
Part, 0.5 part of sodium bicarbonate, 10 parts of calcium stearate, 5 parts of white oil.
Preparation method includes the following steps: to gather 35 parts of resin raw material General Purpose Polystyrenre after drying, high density
10 parts of ethylene, 4 parts of high pressure polyethylene stir 10min in 13 parts of addition high speed blenders of styrene, are allowed to dispersion without agglomeration；According to
Secondary 15 parts of weighing talcum powder, 7 parts of kaolin, 170 0.5 parts of permanent bordeaux, 0.5 part of sodium bicarbonate, 10 parts of calcium stearate, 5 parts of white oil
It is added in high speed blender and stirs 30min, be sufficiently mixed raw material uniformly.Each raw material after stirring are squeezed by twin-screw
Machine squeezes out out, and extrusion temperature is 210 DEG C, then fervent by air-cooled die-surface, and the composite material of the plastic penholder is made.
Embodiment 5
The present embodiment provides a kind of composite material of plastic penholder, raw material include: 28 parts of General Purpose Polystyrenre,
14 parts of high density polyethylene (HDPE), 3 parts of high pressure polyethylene, 15 parts of styrene, 21.3 parts of talcum powder, 8 parts of kaolin, 0.3 part of iron oxide red, carbon
0.4 part of sour hydrogen sodium, 7 parts of calcium stearate, 3 parts of white oil.
Preparation method includes the following steps: to gather 28 parts of resin raw material General Purpose Polystyrenre after drying, high density
14 parts of ethylene, 3 parts of high pressure polyethylene stir 10min in 15 parts of addition high speed blenders of styrene, are allowed to dispersion without agglomeration；According to
Secondary 21.3 parts of weighing talcum powder, 8 parts of kaolin, 0.3 part of iron oxide red, 0.4 part of sodium bicarbonate, 7 parts of calcium stearate, 3 parts of white oil additions
30min is stirred in high speed blender, is sufficiently mixed raw material uniformly.Each raw material after stirring are passed through into double screw extruder
It squeezing out, extrusion temperature is 210 DEG C, it is then fervent by air-cooled die-surface, the composite material of the plastic penholder is made.
Comparative example 1
, substantially with embodiment 1, difference is that high density polyethylene (HDPE) is not added for it, and General Purpose Polystyrenre is adaptively adjusted
Content.
Comparative example 2
, substantially with embodiment 1, difference is that high pressure polyethylene is not added for it, and containing for General Purpose Polystyrenre is adaptively adjusted
Amount.
Comparative example 3
, substantially with embodiment 1, difference is that styrene is not added for it, and the content of General Purpose Polystyrenre is adaptively adjusted.
Performance test
Composite material prepared by above-described embodiment 1-5, comparative example 1-3 and commercially available plastic penholder are subjected to following performance
Test, it is as shown in table 1 below to measure result.
Table 1
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention, it is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of composite material of plastic penholder, the raw material of the composite material includes general purpose polystyrene and auxiliary agent, spy
Sign is that the raw material further includes high density polyethylene (HDPE), high pressure polyethylene and styrene；Wherein, in terms of mass percentage, institute
Stating general purpose polystyrene and accounting for the mass percentage of the raw material is 20-35%, and the high density polyethylene (HDPE) accounts for the matter of the raw material
Amount percentage composition is 9-15%, and the mass percentage that the high pressure polyethylene accounts for the raw material is 3-8%, and the styrene accounts for institute
The mass percentage for stating raw material is 8-15%, wherein the general purpose polystyrene, the high density polyethylene (HDPE), the high pressure are poly-
The mass ratio that feeds intake of ethylene and the styrene is 1.3-2.7 ︰ 0.7-1.5 ︰ 0.2-0.6 ︰ 1.
2. the composite material of plastic penholder according to claim 1, which is characterized in that the general purpose polystyrene with
The melt index that ASTM D1238 standard measures when being 2.16Kg according to test load under the conditions of 190 DEG C is 8 ~ 9g/10min；
And/or the high density polyethylene (HDPE) with ASTM D1238 standard under the conditions of 190 DEG C according to test load be 2.16Kg when measure
Melt index be 0.9 ~ 1.2g/10min；And/or the high pressure polyethylene with ASTM D1238 standard under the conditions of 190 DEG C
It is 1.7 ~ 2.3g/10min according to the melt index measured when load is 2.16Kg is tested.
3. the composite material of plastic penholder according to claim 1, which is characterized in that described general in the raw material
The additive amount of polystyrene is greater than the additive amount of the high density polyethylene (HDPE).
4. the composite material of plastic penholder according to claim 1, which is characterized in that the auxiliary agent include talcum powder,
Kaolin, toner, foaming agent, calcium stearate and white oil.
5. the composite material of plastic penholder according to claim 4, which is characterized in that in terms of mass percentage, institute
It is the talcum powder of 15-30%, the kaolin of 5-15%, 0.2-0.5% that auxiliary agent, which is stated, by the mass percentage for accounting for the raw material respectively
The white oil composition of toner, the foaming agent of 0.1-0.6%, the calcium stearate of 1-10% and 0.3-5%.
6. the composite material of plastic penholder according to claim 4 or 5, which is characterized in that the toner is organic color
Powder and/or inorganic toner；The foaming agent is sodium bicarbonate.
7. the composite material of plastic penholder according to claim 4 or 5, which is characterized in that the composite material passes through
Following method is prepared: each raw material is weighed by formula, by the general purpose polystyrene, the high-density polyethylene after drying
Alkene, the high pressure polyethylene and the styrene mix, and then sequentially add talcum powder, kaolin, toner, foaming agent, tristearin
Sour calcium and white oil, mixing, the extrusion molding at 180-220 DEG C are made.
8. a kind of preparation side of the composite material of plastic penholder described in any one of -7 claims according to claim 1
Method, which is characterized in that the preparation method includes the following steps:
(1) each raw material is weighed by formula rate, by the weighed general purpose polystyrene, the high density polyethylene (HDPE), the height
Pressure polyethylene and the styrene are dried respectively, are dried to moisture content less than or equal to 3%；
(2) general purpose polystyrene, the high density polyethylene (HDPE), the high pressure polyethylene and the institute by step (1) after dry
Styrene mixing is stated, auxiliary agent is then added, the composite material is made in the extrusion molding at 180-220 DEG C after mixing.
9. the composite material of plastic penholder described in a kind of any one of claim 1-7 claim is preparing plastic penholder
In application.
10. a kind of plastic pencil, the plastic pencil includes plastic penholder, which is characterized in that the plastic penholder is wanted by right
The composite material of plastic penholder described in any one of 1-7 claim is asked to be made.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811552233.7A CN109553872A (en) | 2018-12-18 | 2018-12-18 | A kind of composite material and preparation method and application of plastic penholder |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811552233.7A CN109553872A (en) | 2018-12-18 | 2018-12-18 | A kind of composite material and preparation method and application of plastic penholder |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110003580A (en) * | 2019-04-15 | 2019-07-12 | 蒙城县金元达制笔有限公司 | A kind of plastic pencil arm material |
| CN110607011A (en) * | 2019-06-17 | 2019-12-24 | 安徽新贝发制笔城有限公司 | Manufacturing material and manufacturing method of composite pen holder |
| CN111534156A (en) * | 2020-05-12 | 2020-08-14 | 苏州马培德办公用品制造有限公司 | HB lead core material and preparation method thereof |
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| CN110003580A (en) * | 2019-04-15 | 2019-07-12 | 蒙城县金元达制笔有限公司 | A kind of plastic pencil arm material |
| CN110607011A (en) * | 2019-06-17 | 2019-12-24 | 安徽新贝发制笔城有限公司 | Manufacturing material and manufacturing method of composite pen holder |
| CN111534156A (en) * | 2020-05-12 | 2020-08-14 | 苏州马培德办公用品制造有限公司 | HB lead core material and preparation method thereof |
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