Bottom closing paint for wood pen holder

A technology for pen holders and primers, applied in the direction of coating, etc., can solve the problems of poor adhesion of paint film, complicated coating process, poor fullness of paint film on the surface of pen holders, etc., achieve low VOC, significant environmental protection effect, and reduce painting Process effect

Inactive Publication Date: 2008-12-31
上海英诺威新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide a kind of wooden pen holder primer sealer, which can solve the problems of poor adhesion of the paint film, poor fullness of the paint film on the surface of the pen holder and complicated coating process.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Using 3 tons of enamel stirring tank, the percentage by weight of each proportioning material is put into successively: polyvinyl acetate emulsion 68%, 2.2.4-trimethyl 1.3-pentanediol diisobutyrate 3.5%, N-methylol Acrylamide 0.5%, acetone 13%, ethyl acetate 15%, and then mixed for 59 minutes, after testing that all indicators meet the standards, it can be filtered and packaged. The index standard is: solid content 40±2%; PH 4-7; viscosity 300-600MPS (27 ℃)

Embodiment 2

[0033] A 2-ton stainless steel stirring tank is used, and the weight percentages of each proportioning material are successively put in: polyvinyl acetate emulsion 63%, polyether dimethyl siloxane solution 0.5%, 2.2.4-trimethyl 1.3-pentanediol bis 2% isobutyrate, 0.5% N-methylolacrylamide, 17% acetone, 17% ethyl acetate, and then mixed for 1 hour, after testing that all indicators meet the standards, it can be filtered and packaged.

Embodiment 3

[0035] A 3-ton stainless steel stirring tank is used, and the weight percentages of each proportioning material are put in successively: 65% of polyvinyl acetate emulsion, 1% of polyether dimethyl siloxane solution, 2.2.4-trimethyl 1.3-pentanediol bis 2.7% isobutyrate, 0.3% N-methylolacrylamide, 16% acetone, 16% ethyl acetate, and then mix for 1.2 hours. After testing all the indicators meet the standards, they can be filtered and packaged.

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PUM

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Abstract

The invention discloses wooden penholder sealing primer which is characterized in that the sealing primer is composed of polyvinyl acetate emulsion, plasticizing agent, alkali N-hydroxymethyl acrylamide, acetone and ethyl acetate, and the weight percentages of the ingredients are as follow: polyvinyl acetate emulsion 60-75%, plasticizing agent 1-5%, alkali N-hydroxymethyl acrylamide1-0.8%, acetone10-20% and ethyl acetate10-20%. The wooden penholder bottom sealing primer is high in solid content and low in viscidity and is quick to dry(in 5 seconds) and convenient to use. The wooden penholder bottom sealing primer has obvious effect during the coating process in penholder manufacturing; the wooden penholder sealing primer is the first domestically and is internationally advanced in performance index in all aspects.

Description

Technical field: [0001] The invention belongs to the technical field of coatings, and in particular relates to a wooden pen holder primer for surface coating in industries such as pencil manufacturing. Background technique: [0002] At present, domestic wooden pen holders (such as pencils and cosmetic pencil manufacturing industries) basically use nitro-based primers and topcoats as surface coating materials in the process of surface coating. In order to increase the fullness of the paint film, this traditional process mostly adopts more than six painting processes for painting. Therefore, not only the coating process is complicated, the paint film fullness on the surface of the pen holder is poor, the cost is high and the work efficiency is low, but the obvious defect is the poor adhesion of the paint film (below the second level of the QFH 100-grid test method)! Invention content: [0003] The object of the present invention is to provide a kind of wooden pen holder pri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D131/04C09D5/00C09D7/12
Inventor 严健强梁洪枢张健李钢东
Owner 上海英诺威新材料科技有限公司
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