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Preparation method of ink permeation prevention pen sleeve

A technology for pen caps and ink, which is applied in the field of preparation of ink-penetrating pen caps, can solve the problems of not being able to use plastic pen caps for fountain pens and pen caps, and can not solve the problem of penetration of plastic pen cap materials, and achieve excellent chemical stability and organic solvent barrier performance. Uniform, anti-penetration effect

Inactive Publication Date: 2012-06-27
WENGFU (GRP) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Chinese Patent Publication No. CN1403288 disclosed an "ink leak prevention mechanism" on March 19, 2003, which relates to the setting of an ink penetration prevention mechanism in inkjet printing, which cannot solve the problem of the penetration of the plastic pen cover material itself in the ink , and this device itself cannot be applied to plastic pen covers such as fountain pens

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] Prepare a mixed gas of fluorine and nitrogen with a volume concentration of 5% fluorine gas, degrease the plastic pen sleeve with trichlorethylene at 50°C, put it into the reactor, and dry it in vacuum at 50°C for 24 hours, continuously vacuumize, fill with nitrogen, and Before the fluorine gas reaction, ensure that the oxygen is exhausted, control the temperature at 80°C, introduce the above-mentioned mixed gas of fluorine gas and nitrogen gas into the reactor, the pressure is 0.1 atm, and the treatment time is 10 days. After the reaction, the reactor system is vacuumed and nitrogen is replaced to ensure that the fluorine gas is completely replaced. The tail gas is absorbed by activated carbon and soda lime, and the fluorinated plastic pen cap is taken out from the reactor.

[0013] Test method: Take a short section of fluorinated plastic pen cap and non-fluorinated plastic pen cap, place them in toluene, acetone, Hero brand red ink, Hero brand blue ink and Hero brand c...

Embodiment 2

[0018] Prepare a mixed gas of fluorine gas and nitrogen with a concentration of 10% by volume, degrease the plastic pen sleeve with trichlorethylene at 50°C, put it into the reactor, and dry it in vacuum at 50°C for 24 hours, continuously vacuumize and fill with nitrogen to ensure that the oxygen is absorbed before the reaction. As soon as possible, the temperature was controlled at 50°C, and the above-mentioned mixed gas of fluorine and nitrogen was introduced into the reactor, the pressure was 10atm, and the treatment time was 5 days. After the reaction, the reactor system is vacuumed and nitrogen is replaced to ensure that the fluorine gas is completely replaced. The tail gas is absorbed by activated carbon and soda lime, and the fluorinated plastic pen cap is taken out from the reactor.

[0019] Test method is with embodiment 1, and test result is as follows:

[0020] Toluene acetone gasoline blue ink red ink carbon ink Non-fluorinated pen caps ...

Embodiment 3

[0022] Prepare a mixed gas of fluorine gas and nitrogen gas with a concentration of 20% by volume. The plastic pen cover is degreased with trichlorethylene at 50°C, put it into the reactor, and vacuum-dried at 50°C for 24 hours, continuously filled with nitrogen, and vacuumed to ensure that the oxygen is removed before the reaction, and the temperature is controlled at 100°C. A mixed gas with nitrogen was introduced into the reactor at a pressure of 50 atm and a treatment time of 10 minutes. After the reaction, the reactor system is vacuumed and nitrogen is replaced to ensure that the fluorine gas is completely replaced. The tail gas is absorbed by activated carbon and soda lime, and the fluorinated plastic pen cap is taken out from the reactor.

[0023] Test method is with embodiment 1, and test result is as follows:

[0024] Toluene acetone gasoline blue ink red ink carbon ink Non-fluorinated pen caps 10％ 15％ 4％ 2％ 3％ 2％ Flu...

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PUM

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Abstract

The invention discloses a preparation method of an ink permeation prevention pen sleeve, which comprises the following steps: preparing mixed gas of fluorine gas and nitrogen gas with the fluorine gas volume concentration between 5-20 percent; degreasing pen sleeve use solvents of chlorylene at the temperature of 50 DEG C; then, loading the degreased chlorylene into a reaction vessel; carrying out vacuum drying for 24 hours at 50 DEG C; pumping the vacuum; inflating the nitrogen gas so that no oxygen gas exists in a reaction system before the reaction; controlling the temperature of the reaction vessel between 0 and 100 DEG C; introducing the mixed gas of the fluorine gas and the nitrogen gas into the reaction vessel; carrying out treatment for 10 min to 10 days at the pressure between 0.1 and 50 atm; then, pumping the vacuum; using the nitrogen gas for repeated treatment for removing residual fluorine gas or fluorine hydride gas; and then, taking out a fluorizated plastic pen sleeve from the reaction vessel. The pen sleeve prepared by the method has good chemical stability and good organic solvent isolation performance.

Description

technical field [0001] The invention relates to the technical field of materials, in particular to a preparation method of an ink penetration-proof pen cover. Background technique [0002] Pen or fountain pen caps are mostly polymer products with low polarity (polyethylene, polypropylene, polyvinyl chloride materials), and their solvent inks are usually made of organic solvents (such as glycol ether compounds, cyclohexanone, acetamide, etc.) As the main component, it further contains coloring agents such as dyes and adhesive resins. Due to the similar structure, its active ingredients penetrate the outside of the plastic pen case, causing the fountain pen or fountain pen to "leak". [0003] At present, Chinese Patent Publication No. CN101275041 disclosed a kind of "anti-penetration agent, solvent ink and anti-penetration method" on October 1, 2008. Adding in ink is not only troublesome, but also costly. Chinese Patent Publication No. CN1403288 disclosed an "ink leak preven...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C71/00
Inventor 杨先金王江平陈冠龙杨三可高磊解田蔡伟郭卫红杨明杰
Owner WENGFU (GRP) CO LTD
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