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Circular screen copy-jeting wax and making method thereof

A technology of rotary screen and melting point, which is applied in the field of rotary screen spray wax for computer rotary screen plate making and its manufacturing field, can solve the problems of difficult to print fine patterns, easy to produce seams, low precision of plate making, etc., and achieve realistic patterns , smooth edges, clear mesh effect

Inactive Publication Date: 2003-10-29
SHANGHAI ZHONGDA TECHNOLOGY DEVELOPMENT CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its biggest disadvantage is that it is easy to produce seams at the stitching of unit patterns, the accuracy of plate making is not high, and it is difficult to print fine patterns
So far, no invention patent report on draft wax has been found after searching for novelty

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0040] Weigh raw materials according to the following proportions:

[0041] 1.5 kg of oxyalkylene polymer,

[0042] 5 kg of high molecular hydrocarbons with a melting point of 82.5°C,

[0043] 3 kg of high molecular hydrocarbons with a melting point of 59-65°C,

[0044] Rosin pentaerythritol ester binder 0.2 kg,

[0045] Black pigment 0.3 kg.

[0046] Make rotary screen spray wax as follows:

[0047] A. First, heat rosin pentaerythritol ester to 120°C to melt into a viscous body, and gradually add 0.4 kg of organic solvent ethanol dropwise, and stir while adding until it is uniformly diluted, and a rosin pentaerythritol ester adhesive is made. agent;

[0048] B. After mixing the oxyalkylene polymer and the black pigment, put it into the reaction kettle and raise the temperature to 150°C while stirring, and keep the temperature constant for 2 to 3 hours;

[0049] C. Put in polymer hydrocarbons with a melting point of 82.5°C and polymer hydrocarbons with a melting point of...

example 2

[0054] Weigh raw materials according to the following proportions:

[0055] 1.8 kg of oxyalkylene polymer,

[0056] 5.1 kg of high molecular hydrocarbons with a melting point of 82.5°C,

[0057] 2.4 kg of high molecular hydrocarbons with a melting point of 59-65°C,

[0058] Rosin pentaerythritol ester binder 0.3 kg,

[0059] Black pigment 0.4 kg.

[0060] The method is the same as Example 1.

example 3

[0062] Weigh raw materials according to the following proportions:

[0063] Oxygenated polymer 2 kg

[0064] High molecular hydrocarbon with a melting point of 82.5°C 5 kg

[0065] Melting point 59-65 ℃ polymer hydrocarbon 2 kg

[0066] Rosin pentaerythritol ester binder 0.5 kg

[0067] Black pigment 0.3 kg.

[0068] The method is the same as Example 1. The wax sprayed on the rotary screen produced by the above-mentioned manufacturing method has no precipitation phenomenon, is easy to filter, does not block the nozzle, and has a good net-making effect by spraying the wax.

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Abstract

A wax for making screen plate by cylinder spraying is prepared from olefine oxide (10-20 pts. wt.), high-molecular hydrocarbon with 82.5 deg.C of melting point (40-55 pts.wt.), high-molecular hydrocarbon with 59-65 deg.C of melting point (20-30 pts.wt.), rosin pentaerythritol ester as adhesive (2-5 pts.wt.) and black pigment (3-5 pts.wt.). Its advantages are not blocking nozzle, clear mesh and lifelike pattern.

Description

Technical field: [0001] The present invention relates to a draft spray wax and a manufacturing method thereof, more particularly to a rotary screen draft spray wax for computer rotary screen plate making and a manufacturing method thereof. Background technique: [0002] In the prior art, the production by the traditional method must first be made into a black and white draft to achieve the purpose of color separation and plate making. Its biggest disadvantage is that it is easy to produce seams at the stitching of unit patterns, the accuracy of plate making is not high, and it is difficult to print fine patterns. So far, no invention patent report related to draft wax has been found after searching for novelty. Invention content: [0003] The purpose of the present invention is to overcome the defect that the prior art exists, to provide a kind of spray nozzle that does not block up in the process of spraying wax, and the minimum spray point is 30 picoliters (30 * 10 -12...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41D7/00C08L101/12
Inventor 潘跃进张时翔
Owner SHANGHAI ZHONGDA TECHNOLOGY DEVELOPMENT CO LTD
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