CN102391764A - Low-temperature curing flame-retardant finishing powder paint and preparation method thereof - Google Patents
Low-temperature curing flame-retardant finishing powder paint and preparation method thereof Download PDFInfo
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- CN102391764A CN102391764A CN2011103040026A CN201110304002A CN102391764A CN 102391764 A CN102391764 A CN 102391764A CN 2011103040026 A CN2011103040026 A CN 2011103040026A CN 201110304002 A CN201110304002 A CN 201110304002A CN 102391764 A CN102391764 A CN 102391764A
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Abstract
The invention discloses a low-temperature curing flame-retardant finishing powder paint. The paint comprises the following components in part by weight: 50 to 150 parts of polyester alkyd, 50 to 150 parts of epoxy resin, 0 to 10 parts of aid, 0 to 200 parts of filler, 30 to 100 parts of acid source, 30 to 100 parts of carbon source, 30 to 100 parts of gas source and 0 to 30 parts of pigment. The invention also discloses a preparation method for the finishing powder paint. The powder paint has the characteristics of simple formula, high decoration, and capacity of obviously improving the flame retarding capacity of base materials after being painted on heat sensitive base materials, can be painted on combustible heat sensitive base materials such as medium density fiberboard (MDF), sandwich plates, bakelite plates and the like, and belongs to energy-saving environmentally-friendly paint products.
Description
Technical field
The present invention relates to a kind of powder coating, relate in particular to the facing type powder coating of a kind of low-temperature curing and fire-retardant fireproof, the invention still further relates to the preparation method of this powder coating.
Background technology
Powder coating has obtained develop rapidly owing to have the 4E characteristic of high efficiency, ecological property, environment-friendly type, economy since the nineties in 20th century.
Early stage powder coating is no matter be thermoplastics type or heat curing-type; Their film forming solidification value is all very high; Generally toasting 10～20min more than 180 ℃, owing to receive the restriction of application curing technology, its range of application only is confined to metal resistant substrates such as iron and steel, aluminium sheet simultaneously.On the other hand, high solidification value also means high energy consumption simultaneously, claims 10 ℃ of the every reductions of solidification value according to research, can save application power consumption about 10%.Therefore, the emphasis and the focus of people's research in recent years the low-temperature curing of powder coating and fast setting have been become.Got into since 21 century, along with the low-temperature curing technology of powder coating and the continuous maturation of infrared rays application techniques, powder coating is applied to medium density fibre board (MDF) thermo-sensitivity base materials such as (MDF plates) and fully maybe.
The applicable thermo-sensitivity base material of current powder coating mainly comprises MDF plate, special carte etc.; They all belong to the inflammableness base material; Along with the more and more attention of society to safety-problems, the fire failure of constantly making public especially in recent years makes people have higher requirement to powder coating; Promptly require them in environmental protection and energy saving, to have more function, fire protection flame retarding is one of them.If can give the function of powder coating with fire protection flame retarding, will increase the safety performance of these thermo-sensitivity base materials after so greatly by powder coating and their application, will have important society and economic implications.Yet the like product of prior art is mainly low temperature cured powder coating but does not possess flame retardant effect, perhaps for the fire-retardant fireproof powder coating but do not possess the characteristic of low-temperature curing.
Summary of the invention
The object of the present invention is to provide the facing type powder coating of a kind of low-temperature curing and fire-retardant fireproof, this powder coating has the characteristics simple, good decorative property of filling a prescription, and is coated on the fire protection flame retarding ability that the thermo-sensitivity base material can significantly improve base material afterwards.
Another object of the present invention is to provide the preparation method of the facing type powder coating of above-mentioned low-temperature curing and fire-retardant fireproof.
First purpose of the present invention realizes through following technical scheme: a kind of low-temperature curing and have the facing type powder coating of fire-retardant fireproof comprises following components in weight portions:
The weight part of the component among the present invention is preferably:
Described vibrin is the saturated carboxyl polyester resin of acid number between 50～80mgKOH/g.
Described epoxy resin is the bisphenol A type epoxy resin of epoxy equivalent (weight) at 500～2000g/eq, the preferred bisphenol A type epoxy resin of epoxy equivalent (weight) between 600 to 1200g/eq.
Described auxiliary agent adopts conventional auxiliary agent usually, the mixture of one or more in promptly conventional flow agent, st-yrax, ventilating agent, glossing agent, growth agent, matting agent and the texture agent.
Said filler is one or more the mixture in white titanium pigment, permanent white, silicon powder, lime carbonate and the mica powder.
Said acid source is one or more mixing in bicarbonate of ammonia, Secondary ammonium phosphate, ammonium polyphosphate, formic acid and the vegetable oil acid etc.
Said carbon source is one or more mixing in tetramethylolmethane, butantetraol, sorbyl alcohol, starch, Dipentaerythritol, SANMALT-S and the nucite etc.
Said source of the gas is one or more mixing in Dyhard RU 100, trimeric cyanamide, glycocoll, urea and the clorafin etc.
Second purpose of the present invention realizes through following technical scheme: the preparation method of the facing type powder coating of a kind of low-temperature curing and fire-retardant fireproof may further comprise the steps:
(1) take by weighing vibrin, epoxy resin, auxiliary agent, filler, acid source, carbon source, source of the gas and pigment according to the above ratio, place blender, thorough mixing and fragmentation obtain mixture;
(2) mixture of step (1) gained is sent in the forcing machine extruded;
(3) material after extruding promptly gets the facing type powder coating of low-temperature curing and fire-retardant fireproof through compressing tablet, cooling, pulverizing, screening.
The mixing of each component and broken time are 1～30 minute in the said step (1), and the preferred time is 1～10 minute, and the best time is 1～5 minute.
Extrusion temperature in the said step (2) is 60～100 ℃, preferred 80～100 ℃, and more preferably 80～90 ℃.Described forcing machine adopts twin screw extruder or single screw extrusion machine.
The equivalent grain size D50 of the powder of the material of extruding in the said step (3) after pulverizing and sieving is 1～100 micron, preferred 10～80 microns, and more preferably 30～60 microns.
The coating process of the facing type powder coating of low-temperature curing provided by the invention and fire-retardant fireproof is: be coated on the metal base with high pressure electrostatic method or fluidized bed process; Solidification value is 120～140 ℃; Be 5～20 minutes set time, can adopt baking box or infrared heating device to be cured.
The present invention compared with prior art has following beneficial effect:
(1) the present invention is to be the powder coating that staple is prepared from vibrin, epoxy resin, acid source, carbon source and source of the gas; Its prescription is simple; Good decorative property; Solidification value is lower than the minimum solidification value of prior art like product between 120～140 ℃ of temperature, be used to be coated on MDF plate, sandwich panel, special carte etc. and have on the thermo-sensitivity base material of flammability characteristics.
(2) acid source, carbon source and source of the gas during recipe ingredient of the present invention contains; In back acid source and the carbon source generation esterification of being heated; Produce midbody; Midbody is hydrolyzed into reactant salt with source of the gas and water again and generates fire retardant then, thereby plays fire retardation, paint spraying of the present invention can be significantly improved the fire protection flame retarding ability of base material after the thermo-sensitivity base material; Be coated on MDF plate, sandwich panel, special carte etc. and have on the thermo-sensitivity base material of flammability characteristics, they are played good flameproof protection effect.
(3) the invention belongs to energy saving and environment friendly coating products, the coating after spraying is solidified has following characteristic properties:
Embodiment
The present invention will be described to enumerate a part of specific examples below, is necessary to be pointed out that at this following specific embodiment only is used for the present invention is described further, and do not represent the restriction to protection domain of the present invention.Some nonessential modifications that other people make according to the present invention and adjustment still belong to protection scope of the present invention.
Embodiment 1
The facing type powder coating of a kind of low-temperature curing and fire-retardant fireproof, its component and weight part proportioning are:
The preparation method:
(1) takes by weighing saturated carboxyl polyester resin, bisphenol A type epoxy resin, permanent white, esters of acrylic acid flow agent 502, st-yrax, ventilating agent 703, glossing agent 701, ammonium polyphosphate, tetramethylolmethane, trimeric cyanamide and carbon black in proportion and place blender, thorough mixing and fragmentation 1～5 minute;
(2) entering of the material after fragmentation twin screw extruder is extruded; The forcing machine heating and temperature control is at 80～90 ℃;
(3) to be ground into equivalent grain size D50 through compressing tablet, cooling, kibbler be 50 microns powder to the material after extruding, and screening back packing promptly gets then.
Embodiment 2
The facing type powder coating of a kind of low-temperature curing and fire-retardant fireproof, its component and weight part proportioning are:
The preparation method:
(1) takes by weighing saturated carboxyl polyester resin, bisphenol A type epoxy resin, permanent white, lime carbonate, white titanium pigment, esters of acrylic acid flow agent 502, ammonium polyphosphate, Dipentaerythritol, trimeric cyanamide and carbon black in proportion and place compounding jar, thorough mixing and fragmentation 1～5 minute;
(2) entering of the material after fragmentation twin screw extruder is extruded; The forcing machine heating and temperature control is at 80～90 ℃;
(3) to be ground into equivalent grain size D50 through compressing tablet, cooling, kibbler be 50 microns powder to the material after extruding, and screening back packing promptly gets then.
Embodiment 3
The facing type powder coating of a kind of low-temperature curing and fire-retardant fireproof, its component and weight part proportioning are:
The preparation method:
(1) takes by weighing saturated carboxyl polyester resin, bisphenol A type epoxy resin, permanent white, white titanium pigment, esters of acrylic acid flow agent 502, st-yrax, ventilating agent 703, glossing agent 701, ammonium polyphosphate, tetramethylolmethane and trimeric cyanamide in proportion and place blender, thorough mixing and fragmentation 1～5 minute;
(2) entering of the material after fragmentation twin screw extruder is extruded; The forcing machine heating and temperature control is at 80～90 ℃;
(3) to be ground into equivalent grain size D50 through compressing tablet, cooling, kibbler be 50 microns powder to the material after extruding, and screening back packing promptly gets then.
Embodiment 4
The facing type powder coating of a kind of low-temperature curing and fire-retardant fireproof, its component and weight part proportioning are:
The preparation method:
(1) takes by weighing saturated carboxyl polyester resin, bisphenol A type epoxy resin, permanent white, esters of acrylic acid flow agent 502, st-yrax, ventilating agent 703, glossing agent 701, ammonium polyphosphate, starch, Dyhard RU 100 and carbon black in proportion and place compounding jar, thorough mixing and fragmentation 1～5 minute;
(2) entering of the material after fragmentation twin screw extruder is extruded; The forcing machine heating and temperature control is at 80～90 ℃;
(3) to be ground into equivalent grain size D50 through compressing tablet, cooling, kibbler be 50 microns powder to the material after extruding, and screening back packing promptly gets then.
Embodiment 5
The facing type powder coating of a kind of low-temperature curing and fire-retardant fireproof, its component and weight part proportioning are:
(1) takes by weighing saturated carboxyl polyester resin, bisphenol A type epoxy resin, ammonium polyphosphate, butantetraol, Dyhard RU 100, white titanium pigment esters of acrylic acid flow agent 502, st-yrax, ventilating agent 703 and glossing agent 701 in proportion and place blender, thorough mixing and fragmentation 1～5 minute;
(2) entering of the material after fragmentation twin screw extruder is extruded; The forcing machine heating and temperature control is at 80～90 ℃;
(3) to be ground into equivalent grain size D50 through compressing tablet, cooling, kibbler be 50 microns powder to the material after extruding, and screening back packing promptly gets then.
Film performance after the product application that is obtained by the foregoing description is solidified is following:
Claims (10)
1. the facing type powder coating of low-temperature curing and fire-retardant fireproof is characterized in that, comprises following components in weight portions:
2. the facing type powder coating of a kind of low-temperature curing according to claim 1 and fire-retardant fireproof is characterized in that,
3. the facing type powder coating of a kind of low-temperature curing according to claim 1 and 2 and fire-retardant fireproof is characterized in that, described vibrin is the saturated carboxyl polyester resin of acid number between 50～80mgKOH/g.
4. the facing type powder coating of a kind of low-temperature curing according to claim 1 and 2 and fire-retardant fireproof is characterized in that, described epoxy resin is the bisphenol A type epoxy resin of epoxy equivalent (weight) at 500～2000g/eq.
5. the facing type powder coating of a kind of low-temperature curing according to claim 1 and 2 and fire-retardant fireproof; It is characterized in that described auxiliary agent is one or more the mixture in flow agent, st-yrax, ventilating agent, glossing agent, growth agent, matting agent and the texture agent; Said filler is one or more the mixture in white titanium pigment, permanent white, silicon powder, lime carbonate and the mica powder; Said pigment is one or several in mineral dye, pigment dyestuff, metallic pigment, pearly pigment, the high-visibility pigment.
6. the facing type powder coating of a kind of low-temperature curing according to claim 1 and 2 and fire-retardant fireproof is characterized in that, said acid source is one or more mixing in bicarbonate of ammonia, Secondary ammonium phosphate, ammonium polyphosphate, formic acid and the vegetable oil acid.
7. the facing type powder coating of a kind of low-temperature curing according to claim 6 and fire-retardant fireproof is characterized in that; Said carbon source is one or more mixing in tetramethylolmethane, butantetraol, sorbyl alcohol, starch, Dipentaerythritol, SANMALT-S and the nucite.
8. the facing type powder coating of a kind of low-temperature curing according to claim 1 and 2 and fire-retardant fireproof is characterized in that, said source of the gas is one or more mixing in Dyhard RU 100, trimeric cyanamide, glycocoll, urea and the clorafin.
9. the preparation method of the facing type powder coating of described a kind of low-temperature curing of claim 1～8 and fire-retardant fireproof is characterized in that, may further comprise the steps:
(1) take by weighing vibrin, epoxy resin, auxiliary agent, filler, acid source, carbon source, source of the gas and pigment according to the above ratio, place blender, thorough mixing and fragmentation obtain mixture;
(2) mixture of step (1) gained is sent in the forcing machine extruded;
(3) material after extruding promptly gets the facing type powder coating of low-temperature curing and fire-retardant fireproof through compressing tablet, cooling, pulverizing, screening.
10. the preparation method of the facing type powder coating of a kind of low-temperature curing according to claim 9 and fire-retardant fireproof is characterized in that, the mixing of each component and broken time are 1～30 minute in the said step (1); Extrusion temperature in the said step (2) is 60～100 ℃; The equivalent grain size D50 of the powder of the material of extruding in the said step (3) after pulverizing and sieving is 1～100 micron.
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| CN2011103040026A CN102391764A (en) | 2011-09-30 | 2011-09-30 | Low-temperature curing flame-retardant finishing powder paint and preparation method thereof |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103131298A (en) * | 2013-02-03 | 2013-06-05 | 倪进培 | Flame retardant powder coating with hydrated zinc borate |
| CN103275597A (en) * | 2013-04-18 | 2013-09-04 | 杭州金鹰塑粉有限公司 | High temperature-resistant ultralow temperature-cured epoxy polyester powdery coating |
| CN103333588A (en) * | 2013-06-18 | 2013-10-02 | 江苏华光粉末有限公司 | Low temperature curing powder coating and preparation method thereof |
| CN103965735A (en) * | 2014-05-06 | 2014-08-06 | 张家港江南粉末涂料有限公司 | Fast curing automobile balance part powder coating and production method thereof |
| CN103965737A (en) * | 2014-05-09 | 2014-08-06 | 福建万安实业有限公司 | Flame retardant powder coating |
| CN104231849A (en) * | 2014-08-22 | 2014-12-24 | 安徽博大纤维素科技有限公司 | Flame-retardant power coating |
| CN104745051A (en) * | 2015-04-21 | 2015-07-01 | 武汉理工大学 | Preparation method of intumescent fire retardant paint based on unsaturated polyester resin |
| CN104962170A (en) * | 2015-06-26 | 2015-10-07 | 苏州普勒新材料有限公司 | 120 DEG C low-temperature curing powder coating and preparation and application method thereof |
| CN105860766A (en) * | 2016-06-08 | 2016-08-17 | 合肥市燕美粉末涂料有限公司 | Low-temperature curing polyester/epoxy powder coating and preparation method thereof |
| CN107033751A (en) * | 2016-12-07 | 2017-08-11 | 德阳力久云智知识产权运营有限公司 | A kind of low temperature cured powder coating and preparation method thereof |
| CN107652860A (en) * | 2017-10-31 | 2018-02-02 | 山东瑞丰高分子材料股份有限公司 | Medium-density plate cured powder paint and preparation method thereof |
| CN109705701A (en) * | 2018-12-28 | 2019-05-03 | 安徽神剑新材料股份有限公司 | A kind of preparation method of fluorescent powder coating and preparation method thereof and the polyester resin and fluorescent pigment that use |
| CN110396356A (en) * | 2019-07-26 | 2019-11-01 | 中山市鸿朗装饰材料有限公司 | A kind of dumb light thermal transfer powdery paints |
| CN110964409A (en) * | 2019-11-28 | 2020-04-07 | 老虎表面技术新材料（清远）有限公司 | Low-temperature curing bamboo board powder coating and bamboo board coating applied by same |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103131298A (en) * | 2013-02-03 | 2013-06-05 | 倪进培 | Flame retardant powder coating with hydrated zinc borate |
| CN103275597A (en) * | 2013-04-18 | 2013-09-04 | 杭州金鹰塑粉有限公司 | High temperature-resistant ultralow temperature-cured epoxy polyester powdery coating |
| CN103275597B (en) * | 2013-04-18 | 2015-07-15 | 杭州金鹰塑粉有限公司 | High temperature-resistant ultralow temperature-cured epoxy polyester powdery coating |
| CN103333588B (en) * | 2013-06-18 | 2016-06-08 | 江苏华光粉末有限公司 | A kind of low temperature curing type powder coating and its preparation method |
| CN103333588A (en) * | 2013-06-18 | 2013-10-02 | 江苏华光粉末有限公司 | Low temperature curing powder coating and preparation method thereof |
| CN103965735A (en) * | 2014-05-06 | 2014-08-06 | 张家港江南粉末涂料有限公司 | Fast curing automobile balance part powder coating and production method thereof |
| CN103965737A (en) * | 2014-05-09 | 2014-08-06 | 福建万安实业有限公司 | Flame retardant powder coating |
| CN104231849A (en) * | 2014-08-22 | 2014-12-24 | 安徽博大纤维素科技有限公司 | Flame-retardant power coating |
| CN104745051A (en) * | 2015-04-21 | 2015-07-01 | 武汉理工大学 | Preparation method of intumescent fire retardant paint based on unsaturated polyester resin |
| CN104962170A (en) * | 2015-06-26 | 2015-10-07 | 苏州普勒新材料有限公司 | 120 DEG C low-temperature curing powder coating and preparation and application method thereof |
| CN105860766A (en) * | 2016-06-08 | 2016-08-17 | 合肥市燕美粉末涂料有限公司 | Low-temperature curing polyester/epoxy powder coating and preparation method thereof |
| CN107033751A (en) * | 2016-12-07 | 2017-08-11 | 德阳力久云智知识产权运营有限公司 | A kind of low temperature cured powder coating and preparation method thereof |
| CN107652860A (en) * | 2017-10-31 | 2018-02-02 | 山东瑞丰高分子材料股份有限公司 | Medium-density plate cured powder paint and preparation method thereof |
| CN109705701A (en) * | 2018-12-28 | 2019-05-03 | 安徽神剑新材料股份有限公司 | A kind of preparation method of fluorescent powder coating and preparation method thereof and the polyester resin and fluorescent pigment that use |
| CN110396356A (en) * | 2019-07-26 | 2019-11-01 | 中山市鸿朗装饰材料有限公司 | A kind of dumb light thermal transfer powdery paints |
| CN110964409A (en) * | 2019-11-28 | 2020-04-07 | 老虎表面技术新材料（清远）有限公司 | Low-temperature curing bamboo board powder coating and bamboo board coating applied by same |
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Application publication date: 20120328 |