CN100385073C - Method for making waterproof writing paper - Google Patents
Method for making waterproof writing paper Download PDFInfo
- Publication number
- CN100385073C CN100385073C CNB2006100466098A CN200610046609A CN100385073C CN 100385073 C CN100385073 C CN 100385073C CN B2006100466098 A CNB2006100466098 A CN B2006100466098A CN 200610046609 A CN200610046609 A CN 200610046609A CN 100385073 C CN100385073 C CN 100385073C
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- paper
- polypropylene
- writing paper
- steam
- waterproof
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Abstract
The present invention relates to a method for making a piece of waterproof writing paper, particularly to a method for making the writing paper. The method comprises the steps that in the first place, polypropylene is heated to 785 to 755 DEG C under the condition that oxygen is insulated to be evaporated but not combusted; the air pressure of steam is kept to 1.5 atmospheric pressure; then, a piece of base paper with the water content lower than 1% passes through the polypropylene steam and stays in the steam for 2 to 10 seconds to make gaseous polypropylene solidify on the surface of the base paper; after the base paper is cooled, the waterproof writing paper can be obtained. The present invention is suitable for some special application environment or very important data required to be protected, and solves the problem that a piece of ordinary paper is moist when encountering water and is even damaged to lose important data. Meanwhile, people can use any pen to fluently write on the waterproof writing paper like the ordinary writing paper; printers can also print on the waterproof writing paper.
Description
Technical field
The present invention relates to a kind of preparation method of writing with paper, particularly a kind of is the preparation method of the waterproof writing paper of waterproof coating with the polypropylene.
Background technology
Paper is the requirement that people handle official business, learn to be unable to do without.Thereby people run into that paper is met water and moist even damage and lose capsule information through regular meeting in application, cause wasting time and money, in the time of therefore need preserving for some application circumstances or epochmaking data, just are necessary to use waterproof writing paper.
Summary of the invention
The objective of the invention is to overcome the shortcoming of existing waterproof writing paper cost height, complex manufacturing, dysgraphia, improve, provide that a kind of cost is lower, production technology simple, the method for production of the new waterproof writing paper of fluent writing by continuous test.This method is a base material with common body paper, is waterproof coating with the polypropylene, through the surface coverage one deck polypropylene film of the stifling processing of high temperature at body paper, thereby reaches good waterproof effect.
The objective of the invention is to be achieved through the following technical solutions:
A kind of preparation method of waterproof writing paper the steps include: earlier polypropylene to be heated to 770 ± 15 ℃ under the situation of starvation, makes its evaporation and does not burn, and the air pressure that keeps steam is at 1.5 atmospheric pressure; Again moisture is passed through the polypropylene steam at the body paper below 1%, and in steam, stopped for 2～10 seconds, make the surface solidification of the polypropylene of gaseous state, can obtain waterproof writing paper after the cooling at body paper.
Described polypropylene is the technical grade polypropylene, and body paper is that paper pulp is processed into the paper that does not carry out any processing on the surface behind the paper.
Advantage of the present invention and effect are:
1. the present invention is a base material with common body paper, is waterproof coating with the polypropylene, and its manufacture craft is simple, lower cost.
2. the present invention can be as common writing paper, and any pen all can fluently be write in the above, also can print by printer.
The specific embodiment
Embodiment 1
Polypropylene is heated to 770 ± 15 ℃ under the situation of starvation, make its evaporation and do not burn, the air pressure that keeps steam is at 1.5 atmospheric pressure, moisture is passed through the polypropylene steam at the body paper below 1%, and in steam, stopped for 2 seconds, make the surface solidification of the polypropylene of gaseous state, can obtain waterproof writing paper after the cooling at body paper.This paper soaks in water and can not damage in 1 hour; The same with the common writing paper of time image, any pen all can fluently be write in the above, and the machine that also can print is printed.
Embodiment 2
Polypropylene is heated to 770 ± 15 ℃ under the situation of starvation, make its evaporation and do not burn, the air pressure that keeps steam is at 1.5 atmospheric pressure, moisture is passed through the polypropylene steam at the body paper below 1%, and in steam, stopped for 5 seconds, make the surface solidification of the polypropylene of gaseous state, can obtain waterproof writing paper after the cooling at body paper.This paper soaks in water and can not damage in 8 hours; The same with the common writing paper of time image, any pen all can fluently be write in the above, and the machine that also can print is printed.
Embodiment 3
Polypropylene is heated to 770 ± 15 ℃ under the situation of starvation, make its evaporation and do not burn, the air pressure that keeps steam is at 1.5 atmospheric pressure, moisture is passed through the polypropylene steam at the body paper below 1%, and in steam, stopped for 10 seconds, make the surface solidification of the polypropylene of gaseous state, can obtain waterproof writing paper after the cooling at body paper.This paper soaks in water and can not damage in 48 hours; The same with the common writing paper of time image, any pen all can fluently be write in the above, and the machine that also can print is printed.
Claims (2)
1. the preparation method of a waterproof writing paper is characterized in that the steps include: earlier polypropylene being heated to 770 ± 15 ℃ under the situation of starvation, makes its evaporation and does not burn, and the air pressure that keeps steam is at 1.5 atmospheric pressure; Again moisture is passed through the polypropylene steam at the body paper below 1%, and in steam, stopped for 2～10 seconds, make the surface solidification of the polypropylene of gaseous state, can obtain waterproof writing paper after the cooling at body paper.
2. the preparation method of a kind of waterproof writing paper according to claim 1 is characterized in that described polypropylene is the technical grade polypropylene, and body paper is that paper pulp is processed into the paper that does not carry out any processing on the surface behind the paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100466098A CN100385073C (en) | 2006-05-22 | 2006-05-22 | Method for making waterproof writing paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100466098A CN100385073C (en) | 2006-05-22 | 2006-05-22 | Method for making waterproof writing paper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1851122A CN1851122A (en) | 2006-10-25 |
| CN100385073C true CN100385073C (en) | 2008-04-30 |
Family
ID=37132623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100466098A Expired - Fee Related CN100385073C (en) | 2006-05-22 | 2006-05-22 | Method for making waterproof writing paper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100385073C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110041651A (en) * | 2019-02-28 | 2019-07-23 | 常州诺丁精密机械制造有限公司 | A kind of preparation method of degradable band material |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1128312A (en) * | 1995-05-12 | 1996-08-07 | 地方国营昌图县造纸厂 | Water-proof paper |
| CN1340442A (en) * | 2000-09-01 | 2002-03-20 | 北京印刷集团有限责任公司北京印刷二厂 | Paper and plastics combined packing bag and its making technology |
| CN1528978A (en) * | 2003-10-09 | 2004-09-15 | 杨小静 | Water-proof permeable paper |
| WO2005063070A1 (en) * | 2003-12-30 | 2005-07-14 | Geox S.P.A. | Waterproof vapor-permeable multilayer article |
-
2006
- 2006-05-22 CN CNB2006100466098A patent/CN100385073C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1128312A (en) * | 1995-05-12 | 1996-08-07 | 地方国营昌图县造纸厂 | Water-proof paper |
| CN1340442A (en) * | 2000-09-01 | 2002-03-20 | 北京印刷集团有限责任公司北京印刷二厂 | Paper and plastics combined packing bag and its making technology |
| CN1528978A (en) * | 2003-10-09 | 2004-09-15 | 杨小静 | Water-proof permeable paper |
| WO2005063070A1 (en) * | 2003-12-30 | 2005-07-14 | Geox S.P.A. | Waterproof vapor-permeable multilayer article |
Non-Patent Citations (2)
| Title |
|---|
| 聚合物乳液在造纸工业及纸品加工中的应用. 徐青林.湖南造纸，第1期. 2001 |
| 聚合物乳液在造纸工业及纸品加工中的应用. 徐青林.湖南造纸，第1期. 2001 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1851122A (en) | 2006-10-25 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080430 |