CN104250413A - High polymer material pen core and pencil - Google Patents
High polymer material pen core and pencil Download PDFInfo
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- CN104250413A CN104250413A CN201310268556.4A CN201310268556A CN104250413A CN 104250413 A CN104250413 A CN 104250413A CN 201310268556 A CN201310268556 A CN 201310268556A CN 104250413 A CN104250413 A CN 104250413A
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Abstract
The invention discloses a high polymer material pen core, which comprises the following raw material components by weight: 30%-70% of thermoplastic plastic, 27%-67% of filler, 1%-2% of a compatibilizer, and 2%-8% of a toughener, the high polymer material pen core has the characteristics of being good in toughness, abrasion resistant, clean, endure to dirty, and not easy to break, the pen core can be used in a pencil to make the pencil wear-resistant, good in anti broken performance and long in service life.
Description
Technical field
The invention belongs to field of stationery, be specially a kind of macromolecular material pen core and pencil.
Background technology
Existing common lead pen core is by tinting material and clay is blended forms, and utilize clay shaping, tinting material is painted.Its poor toughness, frangibility is not resistance to falls and easy to wear, easily in use cause trouble and the pen core waste of constantly cutting pen because of pen core fragile, finally make the work-ing life of pencil shorter, in addition, the tinting material of common lead pen core easily comes off, rub the surface of pen core or written handwriting is just easy is sticked to your hands by tinting material or clothes is made dirty hand or clothes slightly, and because so, the person's handwriting write with common lead pen core is easily touched and comes off and seem fuzzy, tinting material also often can stick to other parts except colour developing person's handwriting, the whole space of a whole page of writing is made to become unintelligible, untidy, especially child is when operation is write, more easily therefore fuzzy person's handwriting or tinting material is bonded at make dirty health or clothes with it.Wherein, for black-lead pen core, existing is by graphite and clay is blended forms, and utilizes clay shaping, graphite is painted, frangibility, and person's handwriting is easily fuzzy by friction, again because graphite is black, easily make the hand or clothes etc. contacted with it be stained with black and make dirty, cause the inconvenience of use.
Summary of the invention
The object of the invention is to the above-mentioned deficiency overcoming prior art, a kind of good toughness, wear-resistant, the not easily fuzzy and pen core component difficult drop-off of frangibility, person's handwriting and the pen core of make dirty clothes or hand etc. are provided.
It is not easily fuzzy because of friction or contact and can avoid hand in use or write the space of a whole page etc. by the pencil made dirty that another object of the present invention is to provide a kind of wear-resistant, long service life, person's handwriting.
In order to realize foregoing invention object, technical scheme of the present invention is as follows:
A kind of macromolecular material pen core, it comprises the feed composition of following weight percent:
And a kind of pencil, comprises pen core and the pencil cap for wrapping up pen core, wherein, described pen core is above-mentioned pen core.
Above-mentioned filler is used for writing colour developing, macromolecular material thermoplastics mixes with filler by above-mentioned macromolecular material pen core, add the toughness that toughner improves pen core further, and interpolation compatilizer makes to have good consistency, easily associativity between each component, act synergistically between each component in melt extruding at the same time, impart the high tenacity of pen core plastics, wear-resisting, the anti-advantage such as to fracture, described filler can be incorporated described plastics and play the coloring function of filler again, reach the writing effect of common pencil.Simultaneously because filler incorporates plastics, itself and the plastics mode of combining closely not to bond with the simple physical between filler with existing clay and mixes, so the filler in above-mentioned macromolecular material pen core is not easily come off by friction, avoid that the surface of the existing pen core that rubs slightly or written handwriting are just easy to be sticked to your hands filler or the first-class and drawback of make dirty hand or clothes etc. of clothes, also make written handwriting not easily fuzzy because of friction, can keep neatly clear for a long time.
Above-mentioned pencil is provided with above-mentioned pen core, naturally has the advantage of above-mentioned pen core, such that described pencil is wear-resistant, long service life and written handwriting be not easily fuzzy because of friction or adhere to body and to make dirty clothes or health etc.Certainly it is not limited to be arranged on pencil, and it can also be arranged on the pen of other classifications according to the demand of other classes.
Embodiment
In order to make the technical problem to be solved in the present invention, technical scheme and beneficial effect clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The embodiment of the present invention provides a kind of macromolecular material pen core, and it comprises the feed composition of following weight percent:
Above-mentioned thermoplastics has the advantages such as good wear-resisting, anti-folding, its can thermoplastic, hardening by cooling, under certain temperature condition, can soften or be melt into arbitrary shape, and can through repeatedly repeatedly moulding and there is plasticity-all the time, such characteristic makes such plastics to fuse with other components such as filler, toughner or to fuse in melting process, gives the plastic properties that above-mentioned pen core does not originally have.In a preferred embodiment, described thermoplastics is Teflon, nylon, POM, PC, PBT, ABS or HIPS, and these plastics melt temperatures are lower, are easy to process operation in practice.Wherein, POM is polyoxygenated polyoxymethylene, and also known as match steel, Trane, the plastics that it is is polymerizable raw material gained with formaldehyde etc., the model of such as Polyplastics is the product of M90-44.PC is polycarbonate plastic, and be the high molecular polymer containing carbonate group in molecular chain, the model of such as Japanese bright dipping is the product of R2500.PBT plastic refers to the class plastics formed based on polybutylene terephthalate, and the model of such as Polyplastics is the product of 2002.ABS resin is one of five large synthetic resins, and it has good shock resistance, thermotolerance, lower temperature resistance, is the thermoplastic engineering plastic that a kind of purposes is extremely wide.HIPS plastic is called impact resistant polystyrene, and it is the shock proof polystyrene products of one that the way by adding poly-isoprene-isobutylene rubber particle is in polystyrene produced, and the strange beautiful model in such as Taiwan is the product of PH88.In addition, Teflon is the transliteration of Teflon, is the registered trademark that E.I.Du Pont Company is used on a series of fluoropolymer product, is referred to as again Teflon, Teflon, the rich dragon of iron, Teflon, teflon etc.Teflon comprises a series of product, such as AF (amorphous fluoropolymer), FEP (fluorinated ethylene propylene resin), FFR (fluoropolymer foamed resin), NXT(fluoropolymer resin), PFA (perfluoroalkoxy resin), PVDF(and polyvinylidene difluoride (PVDF)), EPFE etc.In above-mentioned pen core formula system, titled with PFA(preferred in a series of products of Teflon trade mark such as Daikin company produce model be the product of AP210), PVDF or EPFE, wherein, PFA has very strong strong and unyielding property, and PVDF has good wear-resisting and shock resistance.EPFE has the tensile strength of superelevation.Under above-mentioned pen core formula system, above-mentioned nylon and polymeric amide, preferred PA12, PA66, PA6 or PA28, the model that Taiwan Ji Sheng company such as can be selected to produce is the product of TP4208.In each scheme of above-mentioned thermoplastics selection, described thermoplastics accounts for the per-cent preferably 60% ~ 70% of above-mentioned pen core formula gross weight, specifically can be 60%, 65%, 68% etc., can meet write the prerequisite of demand under give the stronger toughness of pen core, wear resistance.
Above-mentioned filler is used for writing colour developing, the filler of different colours can be set according to demand to manifest the font of different colours, as redness, blueness, black etc., for aobvious black font, in a preferred embodiment, described filler is graphite and/or carbon black, in carbon black, preferred nano level carbon black, namely particle diameter reaches the nano carbon black of Nano grade, its particle diameter is very little, such as, below 100 nanometers, specifically can be 20 ~ 50 nanometers, 70 ~ 100 nanometers etc., it is easy to incorporate plastic material in melting, make mixing full and uniform, reach good writing effect.In above-mentioned each filler scheme of material selection, under above-mentioned pen core formula system, described filler accounts for the per-cent preferably 35% ~ 52% of above-mentioned pen core formula gross weight, specifically can be 35%, 38%, 40% etc.In more excellent embodiment, described filler accounts for 35% ~ 52% of above-mentioned pen core formula gross weight, and described thermoplastics accounts for 60% ~ 70% of above-mentioned pen core formula gross weight, so both ensure that pen core has good wear resistance, anti-fractureing property, impart again the writing effect that pen core is good, writing is obviously clear, not easily because friction comes off.
Above-mentioned compatilizer each component of being filled a prescription by pen core merges, and makes to act synergistically between each component, imparts the function of pen core plastics, filler etc.In a preferred embodiment, described compatilizer is Tetra hydro Phthalic anhydride compatilizer, and this compatilizer, under above-mentioned pen core formula system, can make material have high polarity and reactivity, is a kind of well macromolecule interfacial coupling agent, compatilizer, dispersion enhancing agents.
The interpolation of above-mentioned toughner can further improve the toughness of pen core, make pen core resistance to fall not easy to break, this area all can not be used in this with the afoul conventional toughner of above-mentioned other components of pen core formula system, in a preferred embodiment, described toughner is the multipolymer of vinylbenzene and divinyl, such as Yueyang petrochemical industry SBS, model is the product of YH795.
Above-mentioned pencil employs the above-mentioned pen core made according to each formula, what have that above-mentioned pen core can have had superiority, such that such pencil is wear-resistant, person's handwriting not easily fuzzy, work-ing life is longer and pen core component not easily rubs comes off or adhere to body and to make dirty hand or clothes etc.Certain above-mentioned pen core is not limited to be arranged on pencil, and it can also be arranged on the pen of other classifications according to the demand of other classes.
Macromolecular material is introduced by above-mentioned pen core formula, with filler adhere, be equipped with compatilizer, toughner again, impart the characteristics such as pen core is wear-resisting, frangibility, snappiness be not good, certainly can also add other not afoul with this pen core formula system processing aids as required, give pen core other supplementary features.Above-mentioned pen core is used on pencil, can makes that pencil is wear-resisting, long service life and easy to use.
Now for concrete macromolecular material pen core formula, the present invention is further elaborated, wherein press pencil industry QB/T2774-2006 standard test pencil performance in following each embodiment, filler is nano-graphite, described toughner is the multipolymer of vinylbenzene and divinyl, and described compatilizer is Tetra hydro Phthalic anhydride.
Embodiment 1
A kind of macromolecular material pen core, comprises the feed composition of following weight percent: PFA30%, filler 60%, compatilizer 2%, toughner 8%.
The pen core colourity made thus can reach the writing effect that HB class pencil can reach, the hardness that Nu Shi hardness can reach for H class pencil, and can bend, toughness is good.Use hand friction, not sticky any filler, keeps hand clean.
Embodiment 2
A kind of macromolecular material pen core, comprises the feed composition of following weight percent: nylon 70%, filler 27%, compatilizer 1%, toughner 2%.
The pen core colourity made thus can reach the writing effect that F class pencil can reach, the hardness that Nu Shi hardness can reach for 2H class pencil, and can bend, toughness is good.Use hand friction, not sticky any filler, keeps hand clean.
Embodiment 3
A kind of macromolecular material pen core, comprises the feed composition of following weight percent: POM30%, filler 67%, compatilizer 1%, toughner 2%.
The pen core colourity made thus can reach the writing effect that H class pencil can reach, the hardness that Nu Shi hardness can reach for H class pencil, and can bend, toughness is good.Use hand friction, not sticky any filler, keeps hand clean.
Embodiment 4
A kind of macromolecular material pen core, comprises the feed composition of following weight percent: PFA60%, filler 35%, compatilizer 2%, toughner 3%.
The pen core colourity made thus can reach the writing effect that HB class pencil can reach, the hardness that Nu Shi hardness can reach for 2H class pencil, and can bend, toughness is good.Use hand friction, not sticky any filler, keeps hand clean.
Embodiment 5
A kind of macromolecular material pen core, comprises the feed composition of following weight percent: PBT35%, filler 65%, compatilizer 2%, toughner 3%.
The pen core colourity made thus can reach the writing effect that H class pencil can reach, the hardness that Nu Shi hardness can reach for F class pencil, and can bend, toughness is good.Use hand friction, not sticky any filler, keeps hand clean.
Embodiment 6
A kind of macromolecular material pen core, comprises the feed composition of following weight percent: PC40%, filler 52%, compatilizer 2%, toughner 6%.
The pen core colourity made thus can reach the writing effect that F class pencil can reach, the hardness that Nu Shi hardness can reach for HB class pencil, and can bend, toughness is good.Use hand friction, not sticky any filler, keeps hand clean.
From the various embodiments described above, it is H class pencil hardness that the pen core that described pen core formula is made can reach the highest Nu Shi hardness, and colourity at least can reach HB class pencil writing effect, and it is wear-resisting and pen core component is not easily come off by friction, sanitation and hygiene.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a macromolecular material pen core, is characterized in that, comprises the feed composition of following weight percent:
2. macromolecular material pen core as claimed in claim 1, it is characterized in that, described thermoplastics is at least one in PFA, PVDF, EPFE, nylon, POM, PC, PBT, ABS, HIPS.
3. macromolecular material pen core as claimed in claim 2, it is characterized in that, described nylon is at least one in PA12, PA66, PA6, PA28.
4. the macromolecular material pen core as described in any one of claims 1 to 3, is characterized in that, described filler is graphite and/or carbon black.
5. macromolecular material pen core as claimed in claim 4, it is characterized in that, described compatilizer is Tetra hydro Phthalic anhydride.
6. macromolecular material pen core as claimed in claim 4, it is characterized in that, described carbon black is nano carbon black.
7. the macromolecular material pen core as described in claim 1 or 2 or 5 or 6, is characterized in that, described thermoplastics accounts for 60% ~ 70% of described pen core formula gross weight.
8. macromolecular material pen core as claimed in claim 7, is characterized in that, described filler accounts for 35% ~ 52% of described pen core formula gross weight.
9. the macromolecular material pen core as described in claim 1 or 5, is characterized in that, described toughner is the multipolymer of vinylbenzene and divinyl.
10. a pencil, comprising pen core and the pencil cap for wrapping up pen core, it is characterized in that: described pen core is the pen core described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310268556.4A CN104250413B (en) | 2013-06-28 | 2013-06-28 | A kind of macromolecular material pen core and pencil |
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| CN201310268556.4A CN104250413B (en) | 2013-06-28 | 2013-06-28 | A kind of macromolecular material pen core and pencil |
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| CN104250413A true CN104250413A (en) | 2014-12-31 |
| CN104250413B CN104250413B (en) | 2016-05-11 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106752388A (en) * | 2016-12-28 | 2017-05-31 | 浙江彭胜文教用品股份有限公司 | A kind of blackness graphite resin pencil high and its production technology |
| CN106810947A (en) * | 2016-12-28 | 2017-06-09 | 浙江彭胜文教用品股份有限公司 | A kind of erasable plastics crayon and its production technology |
| CN107254168A (en) * | 2017-07-10 | 2017-10-17 | 余姚市顺迪塑料模具厂 | The fire-retardant nylon and preparation method of a kind of rub resistance |
| CN107353711A (en) * | 2017-07-11 | 2017-11-17 | 蓬莱凯威文体制品有限公司 | A kind of preparation method of nano-particle reinforced resin lead for retractable pencil |
| CN110527358A (en) * | 2019-08-19 | 2019-12-03 | 上海佳利笔业文具有限公司 | A kind of composite material pen core and preparation method thereof |
| CN113956643A (en) * | 2021-10-29 | 2022-01-21 | 广东捷德新材料科技有限公司 | Chemical-resistant, scratch-resistant and high-hardness PCPBT (Poly-butylece terephthalate) composite material and preparation method thereof |
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| CN1771307A (en) * | 2003-04-22 | 2006-05-10 | 科莱恩有限公司 | Water based coloring agent preparations for inkjet printing |
| CN101535415A (en) * | 2006-11-06 | 2009-09-16 | 科莱恩金融(Bvi)有限公司 | Universal stir-in pigments |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1261908A (en) * | 1997-06-30 | 2000-08-02 | 西巴特殊化学品控股有限公司 | Pigment dispersion containing C. I. pigment red 222 |
| CN1771307A (en) * | 2003-04-22 | 2006-05-10 | 科莱恩有限公司 | Water based coloring agent preparations for inkjet printing |
| CN101535415A (en) * | 2006-11-06 | 2009-09-16 | 科莱恩金融(Bvi)有限公司 | Universal stir-in pigments |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106752388A (en) * | 2016-12-28 | 2017-05-31 | 浙江彭胜文教用品股份有限公司 | A kind of blackness graphite resin pencil high and its production technology |
| CN106810947A (en) * | 2016-12-28 | 2017-06-09 | 浙江彭胜文教用品股份有限公司 | A kind of erasable plastics crayon and its production technology |
| CN107254168A (en) * | 2017-07-10 | 2017-10-17 | 余姚市顺迪塑料模具厂 | The fire-retardant nylon and preparation method of a kind of rub resistance |
| CN107353711A (en) * | 2017-07-11 | 2017-11-17 | 蓬莱凯威文体制品有限公司 | A kind of preparation method of nano-particle reinforced resin lead for retractable pencil |
| CN110527358A (en) * | 2019-08-19 | 2019-12-03 | 上海佳利笔业文具有限公司 | A kind of composite material pen core and preparation method thereof |
| CN113956643A (en) * | 2021-10-29 | 2022-01-21 | 广东捷德新材料科技有限公司 | Chemical-resistant, scratch-resistant and high-hardness PCPBT (Poly-butylece terephthalate) composite material and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN104250413B (en) | 2016-05-11 |
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Effective date of registration: 20180102 Address after: 523860 Guangdong Province, Dongguan city Changan Town Road No. 126 building two usha BBK Patentee after: Guangdong Xiaotiancai Technology Co., Ltd. Address before: 523000 Guangdong Province, Dongguan city Changan town Liwu Industrial Zone Xingfa Road No. 76 Patentee before: Bubugao Education Electronics Co., Ltd. |