CN1034209C - Paper material and method for making pencil - Google Patents
Paper material and method for making pencil Download PDFInfo
- Publication number
- CN1034209C CN1034209C CN94104123A CN94104123A CN1034209C CN 1034209 C CN1034209 C CN 1034209C CN 94104123 A CN94104123 A CN 94104123A CN 94104123 A CN94104123 A CN 94104123A CN 1034209 C CN1034209 C CN 1034209C
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- paper
- pencil
- adhesive
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Abstract
The present invention relates to a material of a paper pencil rod and a method for making a pencil. The material of the paper pencil rod is composed of paper and an adhesive, wherein the adhesive is composed of 40 to 60% of polyoxyethylene resin, 15 to 30% of phenolic resin, 15 to 30% of modifier and 0.5 to 2% of solidifying agent, and the weight ratio of the paper to the adhesive is from 1: 0.12 to 1: 0.18. The method for making a pencil in the present invention comprises the steps that a lead core is arranged in the middle of the paper on which the adhesive is sprayed, then the paper is rolled into a cylinder, and a finished product is obtained after coating and drying. The method has the advantages of wide sources of raw materials, low investment, simple manufacturing process and low cost, and the obtained product has the advantages of moisture resistance, fire resistance, no core shift, no tackless and no yin-yang plate.
Description
The present invention relates to a kind of material of paper pencil bar.
Traditional pencil production is to be the penholder raw material with timber, make essential rod pencil, its operation is numerous and diverse, needs 20 multiple tracks production technologies, the investment fixed assets amount of money needs about 2,000,000 yuan, select timber requirement height for use, wasteful, every cubic metre of timber, its utilization rate only is 30%, production cycle is long again, and anti-and pencil that produce exists core shift, comes unglued, shortcoming such as negative and positive plate.
Chinese patent GK87101746 discloses an a kind of material and system method of pencil shaft, be to produce paper pencil with waste paper for wood, but the adhesive of its use has certain polarity for the clothes urea formaldehyde, easily suction, and poor electrical performance, the urea flavor is dense, and formaldehyde is toxic.
The objective of the invention is to overcome existing scarce the accompanying of wooden saw penholder pencil and existing paper pencil rod pencil, provide a kind of without timber, it is extensive that raw material is adopted the source, fund input is few, technology is simple, and cost is low, and that prepared pencil is moisture resistance is fire-resistant, nontoxic, tasteless, core shift can not occur, come unglued, negative and positive such as pull at the pencil shaft material of problem.
Technical solution of the present invention is: the material of paper pencil bar of the present invention is made up of paper and adhesive, it is characterized in that: adhesive is by the polyoxyethylene resin of 40～69% (weight), the phenolic resins of 15～30% (weight), the curing agent of the modifier of 15～30% (weight) and 0.5～2% (weight) is formed; The weight ratio of paper and adhesive is 1: 0.12～0.18.
In the present invention, modifier can be used the stone rubber powder, industrial starch or earth etc.
In the present invention, curing agent can be used hydrochloric acid, sulfuric acid and oxalic acid.
In the present invention, used paper bag is drawn together a cut paper and waste paper.
The preparation method of paper pencil rod pencil of the present invention is: lead for retractable pencil is placed on the middle part of paper, uses compressed air unit, the weight ratio by 1: 0.12～0.18, adhesive is sprayed on the paper, is rolled into tubular, coat stamp plastic sheeting or printing stencil paper, air dry 12～15 hours promptly obtains finished product.
Make pencil with material of the present invention and method, fund input is few, and process equipment is simple, only needs coiling machine, bead cutter, external form packing machine etc., invests 100,000 yuan approximately and can produce product.Raw material sources of the present invention are extensive, and cost is low, can save a large amount of timber, produce ten thousand pencils with the inventive method and need 25～35 kilograms on paper approximately, and production cost reduces by 20～30% than Wood pencil.The used adhesive of the present invention is nonpoisonous and tasteless, fast drying, and the intensity height, flexibility is good, and anti-bacterium erosion property slowly is good, and hygroscopicity is little in atmosphere, and is harmless.The pencil that is made by the present invention is moisture resistance fire-resistant, core shift can not occur, comes unglued, problem such as negative and positive plate.
Below in conjunction with embodiment the present invention is described in more detail.
Embodiment 1:
The material of this papery saw penholder is made up of waste paper and adhesive, adhesive is by the peo resin of 60% (weight), the phenolic resins of 18% (weight), the hydrochloric acid of the stone rubber powder and 2% (weight) of 20% (weight) is formed, and the preparation method of this pencil is: the middle part that lead for retractable pencil is placed on waste paper is with the weight ratio of air compressor by 1: 0.15, adhesive is sprayed on the paper, be rolled into tubular, coat the stamp plastic sheeting, air dry 12 hours, through cutting edge, packing, obtain finished product.
Embodiment 2:
The material of this paper pencil bar is made up of waste paper and adhesive.Adhesive is by the peo resin of 50% (weight), the phenolic resins of 20% (weight), and the sulfuric acid of the industrial starch of 29% (weight) and 1% (weight) is formed.
Lead for retractable pencil is placed on the middle part of waste paper, uses air compressor, the weight ratio by 1: 0.12 is sprayed on adhesive on the waste paper, is rolled into tubular, coats printing stencil paper, air dry 14 hours, and through cutting edge, packing obtains product of the present invention
Embodiment 3:
The material of this paper pencil bar is made up of stencil paper and adhesive.Adhesive is by the peo resin of 65% (weight), the phenolic resins of 15% (weight), and the oxalic acid of the earth of 18.5% (weight) and 1.5% (weight) is formed.The preparation method of its pencil is identical with embodiment 1.
Claims (3)
1, a kind of material of paper pencil bar is made up of paper and adhesive, it is characterized in that:
A, adhesive be by the peo resin of 40～69% (weight), the phenolic resins of 15～30% (weight), the modifier of 15～30% (weight) and and the curing agent of 0.5～2% (weight) form.
The weight ratio of b, paper and adhesive is 1: 0.12～0.18.
2, the material of pencil shaft according to claim 1.It is characterized in that: modifier can be used stone rubber powder, industrial starch or earth.
3, according to the material of right 1 or 2 described pencil shaft, it is characterized in that: curing agent can adopt hydrochloric acid, sulfuric acid and oxalic acid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94104123A CN1034209C (en) | 1994-04-14 | 1994-04-14 | Paper material and method for making pencil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94104123A CN1034209C (en) | 1994-04-14 | 1994-04-14 | Paper material and method for making pencil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1103361A CN1103361A (en) | 1995-06-07 |
| CN1034209C true CN1034209C (en) | 1997-03-12 |
Family
ID=5031425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94104123A Expired - Fee Related CN1034209C (en) | 1994-04-14 | 1994-04-14 | Paper material and method for making pencil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1034209C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102303469A (en) * | 2011-05-26 | 2012-01-04 | 万永全 | Manufacturing method for pencil |
| CN105691034A (en) * | 2016-03-30 | 2016-06-22 | 李建勤 | Integrated environment-friendly pen and manufacturing method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86207783U (en) * | 1986-10-16 | 1988-08-24 | 贵州省林业科学研究所 | Paper-holder pencil |
| CN1065829A (en) * | 1991-04-17 | 1992-11-04 | 贵州铝厂 | Paper pencil making machine |
-
1994
- 1994-04-14 CN CN94104123A patent/CN1034209C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86207783U (en) * | 1986-10-16 | 1988-08-24 | 贵州省林业科学研究所 | Paper-holder pencil |
| CN1065829A (en) * | 1991-04-17 | 1992-11-04 | 贵州铝厂 | Paper pencil making machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1103361A (en) | 1995-06-07 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |