CN1565860A - Plant fiber pencil material and fabrication method thereof - Google Patents
Plant fiber pencil material and fabrication method thereof Download PDFInfo
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- CN1565860A CN1565860A CN 03132446 CN03132446A CN1565860A CN 1565860 A CN1565860 A CN 1565860A CN 03132446 CN03132446 CN 03132446 CN 03132446 A CN03132446 A CN 03132446A CN 1565860 A CN1565860 A CN 1565860A
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- straw
- pencil
- adhesive bond
- bond agent
- string
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Abstract
The invention provides a plant fiber pencil material and making method thereof. The material is composed of plant straw or seed shell, viscous adhesive and viscosity reductant, wherein the volume ratio of plant straw or seed shell to viscous adhesive is 0.9~1:0.8~1, the viscosity reductant content, in proportion to the total weight of plant straw or seed shell and viscous adhesive, is 1-3%, said viscous adhesive is polythene or polypropylene, or mixture of polythene and polypropylene mixed in any proportion, said viscosity reductant is paraffin or stearic acid, or mixture of paraffin or stearic acid mixed in any proportion. The invention can reduce the consumption of natural wood, improving the pencil quality and decrease the production cost of pencil.
Description
(1) technical field
What the present invention relates to is a kind of substitute of timber, specifically a kind of wood substitutes that is used to make pencil.The invention still further relates to the preparation method of this wood substitutes.
(2) background technology
Because the handling characteristics of pencil, be used to now to make pencil material selection all be timber, mainly be high-quality timber such as linden.Make pencil with high-quality timber, cost height not only, and strengthened consumption of natural wood, quickened destruction to ecological environment.And byproducts such as a large amount of crop materials that produce in agricultural production, seed hulls are except that part is used as feed, the fertilizer utilization, most of burned.Burning straw, seed hulls have not only caused the waste of these materials, and can cause serious environmental to pollute.
(3) summary of the invention
The object of the present invention is to provide and a kind ofly can substitute timber, help protecting environment, have the string pencil material of good performance.The present invention also aims to provide the preparation method of this string pencil material.
The object of the present invention is achieved like this: its product is made up of straw or seed hulls, adhesive bond agent and viscosity reductant, wherein the volume ratio of straw or seed hulls and adhesive bond agent is 0.9～1: 0.8～1, the addition of viscosity reductant accounts for 1～3% of straw or seed hulls and adhesive bond agent gross weight, described adhesive bond agent is the mixture of a kind of or their any ratios in polyethylene or the polypropylene, and described viscosity reductant is the mixture of a kind of or their any ratios in paraffin or the stearic acid.Product of the present invention can also comprise like this some features: 1, described straw is any in maize straw, wheat stalk, broomcorn straw, rice straw or the millet stalk, and described vegetable seeds shell is any in wheat shell, rice husk, sorghum husk or the millet shell.2, the volume ratio of described straw or seed hulls and adhesive bond agent is 1: 1～1: 0.8.3, the volume ratio of described straw or seed hulls and adhesive bond agent is 0.9: 1～1: 1.
Product of the present invention is to adopt such method to make: (1) with straw or seed hulls drying, pulverize and make the material powder; (2) be (0.9～1) by volume: the ratio of (0.8～1) will expect that powder mixes with the adhesive bond agent, add viscosity reductant in the ratio that accounts for material powder and adhesive bond agent gross weight 1～3%, mix and make compound; (3) compound is added in the extruder extruding sheet material under 104～193 ℃ temperature, 15～50 atmospheric pressure; (4) the sheet material drops on the mould that maintains the temperature at 104～193 ℃, adds pencil-lead and makes pencil.Method of the present invention can also comprise like this some features: 1, described straw or seed hulls are any except that rice husk, rice straw, and described adhesive bond agent is a kind of in high density polyethylene (HDPE) or the high density poly propylene.Described compound stirred under normal pressure, 104～193 ℃ temperature and makes paste before adding extruder, and the temperature of extruder is controlled at 140～160 ℃, pressure and is controlled at 15～25 atmospheric pressure.2, described straw or seed hulls are rice husk or rice straw, and described adhesive bond agent is a kind of in low density polyethylene (LDPE) or the low density polypropylene.Described compound directly adds extruder, and the temperature of extruder is controlled at 140～160 ℃, pressure and is controlled at 25～50 atmospheric pressure.
The invention has the advantages that: utilize straw or seed hulls to be primary raw material, select suitable adhesive bond agent and suitable processing technology, process the string pencil material.This string pencil material has higher rigidity, and the pencil of forming with pencil-lead has good machinable performance.The performance of pencil can reach or surpass the performance of the pencil made from the high-quality linden.The present invention can solve owing to make a large amount of high-quality timber of pencil consumption, causes the problem of ecological disruption.Raw material of the present invention is easy to get, and the cost of manufacture of pencil is reduced greatly, not only can bring the huge social effect, also can bring good economic benefit.The present invention also is that new way has been opened up in the development and use of the byproduct of agricultural productions such as agricultural crop straw, seed hulls.Eliminate because pollution on the environments such as burning straw, seed hulls.So the present invention can reduce consumption of natural wood, improve pencil quality, reduce production cost of pencil; Help preserving the ecological environment, reducing environmental pollution.
(4) description of drawings
Fig. 1 is the process flow diagram of first kind of embodiment of the present invention;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the B-B cutaway view of Fig. 1;
Fig. 4 is the C-C cutaway view of Fig. 1;
Fig. 5 is the D-D cutaway view of Fig. 1;
Fig. 6 is the process flow diagram of second kind of embodiment of the present invention.
(5) specific embodiments
For a more detailed description to the present invention for example below:
1, (1) makes the material powder with any drying in maize straw, wheat stalk, broomcorn straw, rice straw, millet stalk, wheat shell, rice husk, jowar shell or the millet shell, pulverizing; (2) be that 0.9～1: 0.8～1 ratio will expect that powder mixes mutually with the adhesive bond agent by volume, its adhesive bond agent is polyethylene, polypropylene or polyethylene and polyacrylic mixture, add viscosity reductant in the ratio that accounts for material powder and adhesive bond agent gross weight 1～3% again, its viscosity reductant is the mixture of a kind of or its any ratio in paraffin or the stearic acid, mixes and makes compound; (3) compound is added in the extruder extruding sheet material under 104～193 ℃ temperature, 15～50 atmospheric pressure; (4) the sheet material drops on the mould that maintains the temperature at 104～193 ℃, adds pencil-lead and makes pencil.
2, (1) makes the material powder with any drying in maize straw, wheat stalk, broomcorn straw, rice straw, millet stalk, wheat shell, rice husk, sorghum husk or the millet shell, pulverizing; (2) be that 0.9～1: 0.8～1 ratio will expect that powder mixes mutually with the adhesive bond agent by volume, its adhesive bond agent is a polyethylene, add viscosity reductant in the ratio that accounts for material powder and adhesive bond agent gross weight 1～3% again, its viscosity reductant is a paraffin, mixes to make compound; (3) compound is added in the extruder extruding sheet material under 104～193 ℃ temperature, 15～50 atmospheric pressure; (4) the sheet material drops on the mould that maintains the temperature at 104～193 ℃, adds pencil-lead and makes pencil.
3, (1) makes the material powder with any drying in maize straw, wheat stalk, broomcorn straw, rice straw, millet stalk, wheat shell, rice husk, sorghum husk or the millet shell, pulverizing; (2) be that 0.9～1: 0.8～1 ratio will expect that powder mixes mutually with the adhesive bond agent by volume, its adhesive bond agent is a polypropylene, add viscosity reductant in the ratio that accounts for material powder and adhesive bond agent gross weight 1～3% again, its viscosity reductant is a stearic acid, mixes to make compound; (3) compound is added in the extruder extruding sheet material under 104～193 ℃ temperature, 15～50 atmospheric pressure; (4) the sheet material drops on the mould that maintains the temperature at 104～193 ℃, adds pencil-lead and makes pencil.
4, in conjunction with Fig. 1-Fig. 5.(1) the material powder is made in any drying in maize straw, wheat stalk, broomcorn straw, rice straw, millet stalk, wheat shell, rice husk, jowar shell or the millet shell, pulverizing; (2) be that 0.9～1: 0.8～1 ratio will expect that powder mixes mutually with the adhesive bond agent by volume, its adhesive bond agent is polyethylene, polypropylene or polyethylene and polyacrylic mixture, add viscosity reductant in the ratio that accounts for material powder and adhesive bond agent gross weight 1～3% again, its viscosity reductant is the mixture of a kind of or its any ratio in paraffin or the stearic acid, mixes and makes compound; (3) compound is in the device 1 that is mixed, and stirs under normal pressure, 104～160 ℃ temperature and makes paste; (4) compound is added in the extruder 2 extruding sheet material 3 under 104～160 ℃ temperature, 15～25 atmospheric pressure; (4) the sheet material drops on the bed die 4 that maintains the temperature at 104～160 ℃, effect at nip rolls 5 depresses to semicircle material bar 6, add pencil-lead 7, this technology comprises two cover extruders, and the material loading bar 8 that another set of extruder is extruded is sticking and make pencil with the blanking bar that is added with pencil-lead.
5, in conjunction with Fig. 6.(1) the material powder is made in any drying in maize straw, wheat stalk, jowar stalk, rice straw, millet stalk, wheat shell, rice husk, sorghum husk or the millet shell, pulverizing; (2) be that 0.9～1: 0.8～1 ratio will expect that powder mixes mutually with the adhesive bond agent by volume, its adhesive bond agent is a polypropylene, add viscosity reductant in the ratio that accounts for material powder and adhesive bond agent gross weight 1～3% again, its viscosity reductant is a stearic acid, mixes to make compound; (3) compound is added in the extruder 9, under 140～193 ℃ temperature, 25～50 atmospheric pressure, extrude; (4) extruded stock drops on the mould that is provided with pencil-lead 10 that maintains the temperature at 140～193 ℃ and makes pencil.
6, to select be the bigger raw materials of proportion such as rice husk or rice straw for the straw of the various embodiments described above kind or seed hulls, and described adhesive bond agent is a kind of in low density polyethylene (LDPE) or the low density polypropylene.Volume ratio is 1: 1～1: 0.8.Described compound directly adds extruder, and the temperature of extruder is controlled at 140～160 ℃, pressure and is controlled at 30～40 atmospheric pressure.
7, to select be straw or seed hulls except that the bigger raw material of proportions such as rice husk or rice straw for the straw of the various embodiments described above kind or seed hulls, and described adhesive bond agent is a kind of in high density polyethylene (HDPE) or the high density poly propylene.The mixed volume ratio is 1: 1.Compound stirs under normal pressure, 104～160 ℃ temperature and makes paste earlier in the device that is mixed; Again compound is added in the extruder extruding sheet material under 150～160 ℃ temperature, 15～20 atmospheric pressure.
Claims (9)
1, a kind of string pencil material, it is characterized in that: it is made up of straw or seed hulls, adhesive bond agent and viscosity reductant, wherein the volume ratio of straw or seed hulls and adhesive bond agent is 0.9～1: 0.8～1, the addition of viscosity reductant accounts for 1～3% of straw or seed hulls and adhesive bond agent gross weight, described adhesive bond agent is the mixture of a kind of or its any ratio in polyethylene or the polypropylene, and described viscosity reductant is the mixture of a kind of or its any ratio in paraffin or the stearic acid.
2, string pencil material according to claim 1, it is characterized in that: described straw is any in maize straw, wheat stalk, broomcorn straw, rice straw or the millet stalk, and described vegetable seeds shell is any in wheat shell, rice husk, sorghum husk or the millet shell.
3, string pencil material according to claim 1 and 2 is characterized in that: the volume ratio of described straw or seed hulls and adhesive bond agent is 1: 1～1: 0.8.
4, string pencil material according to claim 1 and 2 is characterized in that: the volume ratio of described straw or seed hulls and adhesive bond agent is 0.9: 1～1: 1.
5, a kind of preparation method of string pencil material is characterized in that: (1) with straw or seed hulls drying, pulverize and make the material powder; (2) be that 0.9～1: 0.8～1 ratio will expect that powder mixes with the adhesive bond agent by volume, add viscosity reductant in the ratio that accounts for material powder and adhesive bond agent gross weight 1～3% and mix and make compound; (3) compound is added in the extruder extruding sheet material under 104～193 ℃ temperature, 15～50 atmospheric pressure; (4) the sheet material drops on the mould that maintains the temperature at 104～193 ℃, adds pencil-lead and makes pencil.
6, the preparation method of string pencil material according to claim 5, it is characterized in that: described compound is before adding extruder, stir under normal pressure, 104～193 ℃ temperature and make paste, the temperature of extruder is controlled at 140～160 ℃, pressure and is controlled at 15～25 atmospheric pressure.
7, the preparation method of string pencil material according to claim 6, it is characterized in that: described straw or seed hulls are any except that rice husk, rice straw, and described adhesive bond agent is a kind of in high density polyethylene (HDPE) or the high density poly propylene.
8, the preparation method of string pencil material according to claim 5 is characterized in that: described compound directly adds extruder, and the temperature of extruder is controlled at 140～160 ℃, pressure and is controlled at 25～50 atmospheric pressure.
9, the preparation method of string pencil material according to claim 8 is characterized in that: described straw or seed hulls are rice husk or rice straw, and described adhesive bond agent is a kind of in low density polyethylene (LDPE) or the low density polypropylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03132446 CN1250403C (en) | 2003-06-18 | 2003-06-18 | Plant fiber pencil material and fabrication method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03132446 CN1250403C (en) | 2003-06-18 | 2003-06-18 | Plant fiber pencil material and fabrication method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1565860A true CN1565860A (en) | 2005-01-19 |
| CN1250403C CN1250403C (en) | 2006-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03132446 Expired - Fee Related CN1250403C (en) | 2003-06-18 | 2003-06-18 | Plant fiber pencil material and fabrication method thereof |
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| CN (1) | CN1250403C (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102001249A (en) * | 2010-10-12 | 2011-04-06 | 马铭远 | Regenerative wooden pencil and manufacturing process thereof |
| CN102205766A (en) * | 2011-04-02 | 2011-10-05 | 匡赞辉 | Preparation method of maize straw pencil |
| CN102205765A (en) * | 2011-04-02 | 2011-10-05 | 匡赞辉 | Method for producing agricultural residue wheat straw/waste plastic pencil |
| CN102205767A (en) * | 2011-04-02 | 2011-10-05 | 匡赞辉 | Preparation method of novel pencil |
| CN102205764A (en) * | 2011-04-02 | 2011-10-05 | 匡赞辉 | Preparation method of novel pencil |
| CN105270025A (en) * | 2014-07-08 | 2016-01-27 | 高云 | Manufacturing method for plant straw pencil |
| CN106945440A (en) * | 2017-04-08 | 2017-07-14 | 南华大学 | A kind of regenerative pencil sharpener and its operating method with reproducing pencil function |
| CN108824052A (en) * | 2018-06-28 | 2018-11-16 | 西南交通大学 | A kind of shredded paper processing synthesis environmental protection type pencil all-in-one machine |
-
2003
- 2003-06-18 CN CN 03132446 patent/CN1250403C/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102001249A (en) * | 2010-10-12 | 2011-04-06 | 马铭远 | Regenerative wooden pencil and manufacturing process thereof |
| WO2012048641A1 (en) * | 2010-10-12 | 2012-04-19 | Ma Mingyuan | Regenerated wood pencil and process for producing the same |
| CN102205766A (en) * | 2011-04-02 | 2011-10-05 | 匡赞辉 | Preparation method of maize straw pencil |
| CN102205765A (en) * | 2011-04-02 | 2011-10-05 | 匡赞辉 | Method for producing agricultural residue wheat straw/waste plastic pencil |
| CN102205767A (en) * | 2011-04-02 | 2011-10-05 | 匡赞辉 | Preparation method of novel pencil |
| CN102205764A (en) * | 2011-04-02 | 2011-10-05 | 匡赞辉 | Preparation method of novel pencil |
| CN102205765B (en) * | 2011-04-02 | 2014-07-16 | 匡赞辉 | Method for producing agricultural residue wheat straw/waste plastic pencil |
| CN105270025A (en) * | 2014-07-08 | 2016-01-27 | 高云 | Manufacturing method for plant straw pencil |
| CN106945440A (en) * | 2017-04-08 | 2017-07-14 | 南华大学 | A kind of regenerative pencil sharpener and its operating method with reproducing pencil function |
| CN108824052A (en) * | 2018-06-28 | 2018-11-16 | 西南交通大学 | A kind of shredded paper processing synthesis environmental protection type pencil all-in-one machine |
| CN108824052B (en) * | 2018-06-28 | 2023-09-26 | 西南交通大学 | Integrated machine for shredding paper and processing synthetic paper environment-friendly pencil |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1250403C (en) | 2006-04-12 |
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| C06 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shangyang Package Products Co., Ltd., Harbin Assignor: Harbin University of Commerce Contract fulfillment period: 2008.8.15 to 2013.8.15 contract change Contract record no.: 2008230000152 Denomination of invention: Plant fiber pencil material and fabrication method thereof Granted publication date: 20060412 License type: Exclusive license Record date: 20081031 |
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| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.8.15 TO 2013.8.15; CHANGE OF CONTRACT Name of requester: HARBIN SHANGYANG PACKAGING PRODUCTS CO., LTD. Effective date: 20081031 |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060412 |