CN109880420A - A kind of method that two-component prepares powdery paints - Google Patents
A kind of method that two-component prepares powdery paints Download PDFInfo
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- CN109880420A CN109880420A CN201910234553.6A CN201910234553A CN109880420A CN 109880420 A CN109880420 A CN 109880420A CN 201910234553 A CN201910234553 A CN 201910234553A CN 109880420 A CN109880420 A CN 109880420A
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Abstract
The present invention relates to a kind of methods that two-component prepares powdery paints, comprising the following steps: is grouped into the solidification group including resin, curing agent, filler and auxiliary agent and the pigment group including resin, filler, catalyst and required color material according to powdery paints ingredient；Colourless powder paint substrate is prepared into according to order demand adjustment solidification group ingredient；Determine that pigment group each component content is prepared into the powdery paints ingredient with required color according to order demand；Solidification group and pigment group are mixed to get final products according to a certain percentage.The present invention is beneficial in that the productive prospecting for powdery paints, powdery paints is grouped into solidification group and pigment group, according to order demand, individually solidification group or pigment group component are adjusted, the diversification combination for realizing powdery paints production process, is prepared separately solidification group or pigment group, production efficiency can be greatly improved, the coating coking problem in conventional powder coatings production process is solved, custom powdery paints cost is reduced.
Description
Technical field
The present invention relates to powdery paints preparation technical fields, and in particular to a kind of method that two-component prepares powdery paints.
Background technique
Powdery paints is a kind of new type environment friendly coating, absolutely due to its film forming matter, is volatilized without solvent, film is rich
It completely, is that current country advocates one of paint development direction energetically, formation gradually substitutes usual vehicle the advantages of excellent physical properties
The trend of type coating.But the limitation that the production of powdery paints also has its certain, one is powdery paints can only be produced by order,
The toning in later period can cannot be carried out by the mill base rolled in advance, therefore powdery paints is raw as common liq coating
Producing many processes cannot be preposition, causes powdery paints production capacity that cannot uniformly distribute, when encountering order concentration, due to production capacity office
Limit, will lead to product seller's seven sale；Second, by melting extrusion, being needed when adjusting sample due to the thermosetting technology feature of powdery paints
Melting extrusion repeatedly is carried out in an extruder to be also easy to produce local coking when resin and curing agent heated time are longer and formed
Coking material, or even be fully cured, on the one hand lead to scrap of the product, on the other hand, char particles cannot soften in curing of coating,
It will affect film quality；Third, will carry out clear in order to avoid generating coking when extruder shutdown before shutting down every time, that is, use
Resin drives the powdery paints component in extruding machine barrel out of, normal boot-strap when can guarantee booting next time, and production process is more numerous
It is trivial.
Summary of the invention
For above-mentioned Shortcomings, the present invention provides a kind of method that two-component prepares powdery paints, i.e., by powdery paints
Be divided into solidification group and pigment group, according to demand by individually to solidification group or pigment group carry out component promoting or transferring it is whole and in advance prepare,
Storage carries out diversified combination further according to production requirement, can greatly improve production efficiency, reduces equipment capacity and leave unused, solve simultaneously
The certainly coating coking problem in conventional production practices reduces custom coating and uses coating cost.For this purpose, the present invention provides
Following technical solution:
A kind of method that two-component prepares powdery paints, comprising the following steps:
Step 1: pre-made powder coating is divided into two groups, including solidification group and pigment group, the solidification group include part resin,
Whole curing agent, partial filler and part of auxiliary；The pigment group includes part resin, partial filler, part of auxiliary, catalysis
Agent and required color material；
Step 2: the solidification group in step 1 is previously prepared at colourless powder paint substrate by extruder and grinder；
Step 3: mixing colours powdery paints pigment group in step 1, determine pigment group each component content；
Step 4: the pigment group in step 1 being prepared into the powder with required color by extruder and grinder according to step 3
Last coating proportioning；
Step 5: it will be mixed in solidification group prepared by step 2 and pigment group prepared by step 4 according to a certain percentage batch mixer,
Obtain final products.
For the powdery paints of conventional color setting, preferred preparation method is that pigment group in step 4 is pre-prepared in advance
With；According to the powdery paints delivery time, then solidification group in step 2 is prepared；It is last proportionally to solidify according to step 5
Group and pigment group mix, and obtain final products.
The method of last coating, it is characterised in that: for the powdery paints of different curing process, preferred preparation method is
Pigment group in step 4 is shifted to an earlier date prefabricated spare；According to powder coating solidification technique, solidification group each component content is determined according to step 3；
Solidification group in step 2 is prepared again；It is last proportionally to mix solidification group and pigment group according to step 5, it obtains final
Product.
Beneficial effects of the present invention:
1. since solidification group has versatility, without toning, can mass production at any time, greatly improve the effect of powder production
Rate；
2. pigment group needs to restructure, can melting extrusion repeatedly, without having to worry about powdery paints coking problem；
3. pigment group can be prepared in advance for conventional color powdery paints, due to there are fixed line ingredients in pigment group very
It is few, pre-reaction will not be generated in storing process, can greatly prolong powdery paints uses validity period；
4. needing to adjust different solidification group components according to order, different curing process, the different tables of same color may be implemented
The solidification group of face effect, without all powdery paints being produced again, substantially reduce life as ordinary powder coating producing process
Produce pressure process, rational allocation equipment capacity；
5. keeping the selection of client more diversified using this method, the customized cost and use cost of client are reduced.
Specific embodiment
The scheme of embodiment in order to enable those skilled in the art to better understand the present invention, to the embodiment of the present invention make into
The detailed description of one step.
Embodiment 1, a kind of method that two-component prepares powdery paints, comprising the following steps:
Step 1: pre-made powder coating being divided into two groups, including solidification group and pigment group, solidification group includes part resin, all consolidates
Agent, partial filler and part of auxiliary；Pigment group includes part resin, partial filler, part of auxiliary, catalyst and required color
Material, solidification group and pigment group each component are separated, convenient for adjusting respectively to solidification group, pigment group each component according to demand
It is whole, so that the separation production of solidification group, pigment group is realized, consequently facilitating reasonable arrangement equipment capacity, improves production efficiency；
Step 2: the solidification group in step 1 is previously prepared at colourless powder paint substrate by extruder and grinder, by
Have versatility in solidification group, without toning, can mass production at any time, greatly improve the efficiency of powder production；
Step 3: mixing colours powdery paints pigment group in step 1, determine that pigment group each component content, pigment group need to restructure
When, can melting extrusion repeatedly, without having to worry about powdery paints coking problem；
Step 4: the pigment group in step 1 being prepared into the powder with required color by extruder and grinder according to step 3
Pigment group can be prepared conventional color powdery paints by last coating proportioning in advance, solid due to being practically free of in pigment group
Chemical conversion point, will not generate pre-reaction in storing process, and can greatly prolong powdery paints uses validity period；
Step 5: it will be mixed in solidification group prepared by step 2 and pigment group prepared by step 4 according to a certain percentage batch mixer,
Final products are obtained, this kind of method keeps the selection of client more diversified, reduces stipulating for client and this and use cost is made.
Preferably, for the powdery paints of conventional color setting, preparation method is that pigment group in step 4 is pre-prepared in advance
With；According to the powdery paints delivery time, then solidification group in step 2 is prepared；It is last proportionally to solidify according to step 5
Group and pigment group mix, and obtain final products.
Preferably, for the powdery paints of different curing process, preparation method is that pigment group in step 4 is prefabricated in advance
It is spare；According to powder coating solidification technique, solidification group each component content is determined according to step 3；Solidification group in step 2 is prepared again
Come, without all powdery paints being produced again, substantially reduce production process pressure as ordinary powder coating producing process,
Rational allocation equipment capacity；It is last proportionally to mix solidification group and pigment group according to step 5, final products are obtained, it can be big
The big production efficiency for improving different product.
Mode described above describes the preferred embodiment of the present invention, undoubtedly, for the ordinary skill of this field
Personnel without departing from the spirit and scope of the present invention can be with a variety of different modes to described embodiment
It is modified.
Claims (3)
1. a kind of method that two-component prepares powdery paints, it is characterised in that: the following steps are included:
Step 1: pre-made powder coating is divided into two groups, including solidification group and pigment group, the solidification group include part resin,
Whole curing agent, partial filler and part of auxiliary；The pigment group includes part resin, partial filler, part of auxiliary, catalysis
Agent and required color material；
Step 2: the solidification group in step 1 is previously prepared at colourless powder paint substrate by extruder and grinder；
Step 3: mixing colours powdery paints pigment group in step 1, determine pigment group each component content；
Step 4: the pigment group in step 1 being prepared into the powder with required color by extruder and grinder according to step 3
Last coating proportioning；
Step 5: it will be mixed in solidification group prepared by step 2 and pigment group prepared by step 4 according to a certain percentage batch mixer,
Obtain final products.
2. the method that a kind of two-component described in claim 1 prepares powdery paints, it is characterised in that: be arranged for conventional color
Powdery paints, preferred preparation method be pigment group in step 4 is shifted to an earlier date it is prefabricated spare；The foundation powdery paints delivery time,
Solidification group in step 2 is prepared again；It is last proportionally to mix solidification group and pigment group according to step 5, it obtains final
Product.
3. the method that a kind of two-component described in claim 1 prepares powdery paints, it is characterised in that: be directed to different curing process
Powdery paints, preferred preparation method be pigment group in step 4 is shifted to an earlier date it is prefabricated spare；According to powder coating solidification technique,
Solidification group each component content is determined according to step 3；Solidification group in step 2 is prepared again；Last foundation step 5 is proportionally
Solidification group and pigment group are mixed, final products are obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910234553.6A CN109880420A (en) | 2019-03-26 | 2019-03-26 | A kind of method that two-component prepares powdery paints |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910234553.6A CN109880420A (en) | 2019-03-26 | 2019-03-26 | A kind of method that two-component prepares powdery paints |
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| CN109880420A true CN109880420A (en) | 2019-06-14 |
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| CN201910234553.6A Pending CN109880420A (en) | 2019-03-26 | 2019-03-26 | A kind of method that two-component prepares powdery paints |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4320048A (en) * | 1980-06-30 | 1982-03-16 | E. I. Du Pont De Nemours And Company | Melt-blending method of forming pigmented powder coatings |
| CN1089290A (en) * | 1992-12-01 | 1994-07-13 | Dsm有限公司 | The binder composition of powder coating |
| CN1186000A (en) * | 1996-11-28 | 1998-07-01 | 花王株式会社 | Powder coating |
| DE19743151A1 (en) * | 1997-09-30 | 1999-04-01 | Herberts Pulverlack Gmbh | Powder coating composition, process for its preparation and its use |
| CN101291997A (en) * | 2005-10-21 | 2008-10-22 | 威士伯资源公司 | Novel powder coloring system |
-
2019
- 2019-03-26 CN CN201910234553.6A patent/CN109880420A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4320048A (en) * | 1980-06-30 | 1982-03-16 | E. I. Du Pont De Nemours And Company | Melt-blending method of forming pigmented powder coatings |
| CN1089290A (en) * | 1992-12-01 | 1994-07-13 | Dsm有限公司 | The binder composition of powder coating |
| CN1186000A (en) * | 1996-11-28 | 1998-07-01 | 花王株式会社 | Powder coating |
| DE19743151A1 (en) * | 1997-09-30 | 1999-04-01 | Herberts Pulverlack Gmbh | Powder coating composition, process for its preparation and its use |
| CN101291997A (en) * | 2005-10-21 | 2008-10-22 | 威士伯资源公司 | Novel powder coloring system |
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