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Polyurethane (PU polyester) antibacterial wood varnish (dull, clear)

A wood varnish, polyurethane technology, applied in polyurea/polyurethane coatings, polyester coatings, coatings, etc., can solve the problems of easy regeneration of bacteria, short antibacterial time and high cost

Inactive Publication Date: 2008-03-19
上海展辰涂料有限公司 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its disadvantage is that the drug is easy to lose, the bacteria are easy to regenerate, the antibacterial time is short, the antibacterial efficiency is low, and the cost is high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0034] Example 1 (matte): take 50 kg of the adduct of toluene diisocyanate (TDI) and trimethylolpropane, 50 kg of butyl acetate, add 70 kg of alkyd resin, butyl acetate or 8 kg to eliminate Foaming agent (CFC-151) 0.2 kg, leveling agent (KEPER-150) 0.3 kg, matting agent (matte powder) 10 kg, dispersant (BYK-P104S) 0.2 kg, anti-settling agent (6901-21X) 0.8 kg, 7.5 kg of nitrocellulose (ester nitrocellulose 1 / 2s), after fully dispersed, add 3 kg of isothiazolinone antibacterial agent to disperse evenly.

example 2

[0035] Example 2 (bright light): take 50 kilograms of the adduct of toluene diisocyanate (TDI) and trimethylolpropane, 50 kilograms of butyl acetate, add 75 kilograms of alkyd resin, 8 kilograms of butyl acetate, defoamer (CFC-151) 0.2 kg, leveling agent (KEPER-150) 0.3 kg, dispersant (KEPER-602) 0.2 kg, anti-settling agent (6901-21X) 0.8 kg, nitrocellulose (ester nitrocellulose 1 / 2s ) 12.5 kg, after fully dispersed, add 3 kg of isothiazolinone antibacterial agent to disperse evenly.

[0036] The coating process of the present invention requires that the product is well adjusted, and wood products such as wooden furniture and wooden floors are coated by brushing and spraying.

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PUM

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Abstract

The invention involves a kind of polyurethane (the PU polyester) the antibacterial wooden article varnish (lusterless, bright), its characteristic lies in: By A, the B two components constitutions, the A component is composed for following constituent and the per cent by weight: The toluene two isocyanogens diethylene glycol dinitrate (TDI) and three methylol propane addition compound either TDI three is concrete or their mixture 25%~65%, acetic acid Ding Zhihuo ethyl acetate either toluene or their mixture 35%~75%, B component for following constituent and per cent by weight composition: The alkyd resin either the modified alkyd resin or their mixture 55.65%~75.55%, the cutyl acetate either the cutyl acetate or the xylene or their mixture 7.86%~9.86%, the defoamer 0.16%~0.36%, flows the even medicinal preparation 0.20%~0.40%, the deadening agent 0%~12.50%, antibiotics 0.10%~5.0%, the dispersing agent 0.10%~0.30%, guards against sinks medicinal preparation 0.04%~1.0%, the nitric acid cellulose ester 0%~15.57%, armor component and second grade component according to 0.3~1: 1 proportion mix construction. The invention merit is can kill extinguishes wooden woodware surface the and so on the furniture, wood floor bacterium.

Description

technical field [0001] The invention relates to a woodware coating, in particular to a polyurethane PU polyester antibacterial woodware varnish. Background technique [0002] At present, there are harmful bacteria on the surface of wooden products such as wooden furniture and wooden floors. The disadvantage is that the drug is easily lost, the bacteria are easily regenerated, the antibacterial time is short, the antibacterial efficiency is low, and the cost is high. SUMMARY OF THE INVENTION [0003] The purpose of the present invention is to solve the existing problems of wood products and woodware coatings such as wooden furniture and wooden floors in the prior art, and to provide a solvent-based antibacterial woodware that can be used for the coating of wood products such as wooden furniture and wooden floors and home decoration and decoration coating. The invention designs a polyurethane PU polyester antibacterial wood varnish, which is characterized in that it is com...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D175/04C09D167/00
Inventor 陈寿生
Owner 上海展辰涂料有限公司
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