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Double-drying UV (Ultra Violet) spraying flat top-coat paint and preparation method of double-drying UV spraying flat top-coat paint

A dry and double technology, applied in the field of coatings, it can solve the problems of irregular coating, such as inability to use roller coating or curtain coating, no exposure, and inability to dry the coating film, and achieve good scratch resistance and high hardness.

Active Publication Date: 2012-07-11
东莞大宝化工制品有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] But there are still some deficiencies in existing UV paints: (1), traditional UV is limited to flat coating, and roller coating or curtain coating cannot be used for irregular objects; such as: objects with three-dimensional structures such as chairs must use spray
(2) Spraying is used, but there will be some "dead angles" that cannot be illuminated by ultraviolet light when dried by a UV machine, and the coating film cannot be dried
Although adding isocyanate resin (isocyanate) to the UV topcoat also has a drying effect, but there is a limit of "pot life"

Method used

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  • Double-drying UV (Ultra Violet) spraying flat top-coat paint and preparation method of double-drying UV spraying flat top-coat paint
  • Double-drying UV (Ultra Violet) spraying flat top-coat paint and preparation method of double-drying UV spraying flat top-coat paint

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A double-drying UV spray matt finish; comprising the following raw materials calculated by weight percentage:

[0026] High-functional polyurethane acrylic resin 20%, low-functional polyurethane acrylic resin 8%, 184 photoinitiator 5%, MIBK 7%, BAC 7%, acrylic leveling agent 0.3%, silicon leveling agent 0.5%, wetting and dispersing agent 0.8% , CAB solution 30%, micronized modified PP wax 2%, organic matter surface treatment 3%, hand feeling agent polyethylene wax powder 0.5%, silicon defoamer 0.2%, S-7131%.

[0027] The preparation method of the UV spraying matt finish of described double drying, comprises following preparation steps:

[0028] (1) Configuration of semi-finished products:

[0029] Preparation of silicon-based leveling agent: 10% of silicone and 90% of xylene were fully stirred and mixed for 8 minutes to prepare the silicon-based leveling agent, and the stirring speed was 800 rpm;

[0030] Preparation of cellulose acetate-butyrate solution: first take ...

Embodiment 2

[0036] A double-drying UV spray matt finish; comprising the following raw materials calculated by weight percentage:

[0037] High-functional polyurethane acrylic resin 25%, low-functional polyurethane acrylic resin 10%, 184 photoinitiator 4%, MIBK 5%, BAC 5%, acrylic leveling agent 0.5%, silicon leveling agent 0.3%, wetting and dispersing agent 0.5% , CAB solution 40%, micronized modified PP wax 3.5%, organic surface treatment 2%, hand feeling agent polyethylene wax powder 1%, silicon defoamer 0.2%, S-7133%.

[0038] The preparation method of the UV spraying matt finish of described double drying, comprises following preparation steps:

[0039] (1) Configuration of semi-finished products:

[0040] Preparation of silicon-based leveling agent: fully stir and mix 10% of silicone and 90% of xylene for 10 minutes to prepare the silicon-based leveling agent, and the stirring speed is 600 rpm;

[0041] Preparation of cellulose acetate-butyrate solution: first take 20% cellulose ac...

Embodiment 3

[0047] A double-drying UV spray matt finish; comprising the following raw materials calculated by weight percentage:

[0048] High-functional polyurethane acrylic resin 30%, low-functional polyurethane acrylic resin 8%, 184 photoinitiator 5%, MIBK 7%, BAC 7%, acrylic leveling agent 0.3%, silicon leveling agent 0.5%, wetting and dispersing agent 0.8% , CAB solution 30%, micronized modified PP wax 2%, organic surface treatment 3%, hand feeling agent polyethylene wax powder 2%, silicon defoamer 0.4%, S-7133%.

[0049] The preparation method of the UV spraying matt finish of described double drying, comprises following preparation steps:

[0050](1) Configuration of semi-finished products:

[0051] Preparation of silicon-based leveling agent: 10% of silicone and 90% of xylene were fully stirred and mixed for 15 minutes to prepare the silicon-based leveling agent, and the stirring speed was 500 rpm;

[0052] Preparation of cellulose acetate-butyrate solution: first take 20% cellu...

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Abstract

The invention relates to the technical field of paints, in particular to a double-drying UV (Ultra Violet) spraying flat top-coat paint and a preparation method of the double-drying UV (Ultra Violet) spraying flat top-coat paint. The double-drying UV spraying flat top-coat paint comprises high-function polyurethane acrylic resin, low-function polyurethane acrylic resin, 1-hydroxy-cyclohexyl phenyl ketone, methyl isobutyl ketone, butyl acetate, an acrylic acid flatting agent, a silicon flatting agent, a wetting dispersant, butyric acid-cellulose acetate butyrate solution, micronized modified PP (Polypropylene) wax, an organic matter surface treating agent, hand feeling agent polyethylene wax powder, a silicon defoamer and UV isopropyl alcohol. By using CAB (Cellulose Acetate Butyrate) resin and UV resin, the double-drying UV spraying flat top-coat paint is capable of achieving the double-drying effect, does not have service time limit, has higher hardness and good scratching resistance, and is particularly suitable for office furniture.

Description

Technical field: [0001] The invention relates to the technical field of coatings, in particular to a double-drying UV spray matt finish and a preparation method thereof. Background technique: [0002] UV paint is the English abbreviation of Ultraviolet Curing Paint, that is, ultraviolet light curing paint, also known as photoinitiated coating, light curing coating. It is automatically rolled and showered onto the surface of the furniture board by machinery and equipment. Under the irradiation of ultraviolet light, the initiator is decomposed, free radicals are generated, the resin is reacted, and the resin is instantly cured to form a film. It is currently the most environmentally friendly paint. [0003] But there are still some deficiencies in existing UV paints: (1), traditional UV is limited to flat coating, and roller coating or curtain coating cannot be used for irregular objects; such as: objects with three-dimensional structures such as chairs must Use spray. (2) S...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/14C09D7/12C09D7/14C09D7/80
Inventor 陈贺生
Owner 东莞大宝化工制品有限公司