CN108610914A - A kind of metal tube plastic-coated powdery paints and its preparation method and application - Google Patents
A kind of metal tube plastic-coated powdery paints and its preparation method and application Download PDFInfo
- Publication number
- CN108610914A CN108610914A CN201611260679.3A CN201611260679A CN108610914A CN 108610914 A CN108610914 A CN 108610914A CN 201611260679 A CN201611260679 A CN 201611260679A CN 108610914 A CN108610914 A CN 108610914A
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- China
- Prior art keywords
- powdery paints
- antioxidant
- epoxy resin
- agent
- polyester
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
- C09D167/06—Unsaturated polyesters having carbon-to-carbon unsaturation
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/03—Powdery paints
- C09D5/033—Powdery paints characterised by the additives
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
- F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
- F16L58/04—Coatings characterised by the materials used
- F16L58/10—Coatings characterised by the materials used by rubber or plastics
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paints Or Removers (AREA)
Abstract
The present invention relates to paint fields, more particularly to a kind of metal tube plastic-coated powdery paints and its preparation method and application.The present invention provides a kind of metal tube plastic-coated powdery paints, and by weight, raw material includes following component：Polyester, epoxy resin, curing agent, filler, auxiliary agent, pigment.Metal tube plastic-coated powder provided by the present invention has preferable bending resistance and preferable water boiling resistance performance, is tested according to 2010 set quotas of standard GB/T/T5135.1, and integrated performance index is excellent, has good industrialization prospect.
Description
Technical field
The present invention relates to paint fields, more particularly to a kind of metal tube plastic-coated powdery paints and preparation method thereof and use
On the way.
Background technology
Polyester resin lacquer (Polyester coating) is the coating using polyester resin as main film forming substance, it is logical
It can often be prepared by polyalcohol and polyacid polycondensation.Polyester resin lacquer and conventional polyurethanes coating difference lies in：
Amino "-NH- " has been typically free of in the molecule of Polyester resin lacquer.In the prior art, Polyester resin lacquer is widely answered
For in medium-to-high grade coating, the high solid of low stain, powdery paints.
By the type of Polyester resin lacquer, Polyester resin lacquer can be divided into unsaturated polyester coating, saturated polyester coating, right
The types such as phthalate polyester coating.Wherein, unsaturated polyester coating is a wherein very important type.
Existing unsaturated polyester coating can by the styrene solutions of four component unsaturated polyester resins of packing, have
The accelerating agents such as the initiators such as machine peroxide (crosslinking catalyst), cobalt naphthenate, paraffin styrene etc. be mixed to prepare, prepared
Cheng Zhong, the double action of the usual act as solvents synthesis membrane substance of styrene.
The characteristics of unsaturated polyester coating is solventless coatings, and solvent vapo(u)r environmental pollution is small；Can drying at room temperature, also may be used
It is heating and curing, paint film shrinking percentage is larger in the curing process, is not easy to repair；Paint film is hard and crisp, is easy to damage；Paint film must polish
Paraffin removal, and polish；Multicomponent is packed, inconvenient to use；Construction efficiency is high, brushes can get thick coating together；Although resistance is added
Poly- agent reduces the effect of air inhibition, but the bin stability painted is not good enough, limits its application.So if energy
The more superior Related product of comprehensive performance is enough developed, extraordinary industrial application prospect is necessarily had.
Invention content
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of metal tube plastic-coated powdery paints
And its preparation method and application, for solving the problems of the prior art.
In order to achieve the above objects and other related objects, first aspect present invention provides a kind of metal tube plastic-coated powder painting
Material, by weight, raw material includes following component：
Preferably, the polyester is unsaturated polyester (UP).
The unsaturated polyester (UP) is typically that binary acid (or acid anhydrides) and dihydric alcohol are warm through unsaturation line style prepared by polycondensation
Thermosetting resin, the unsaturated polyester (UP) are to lead terephthalate-type unsaturated polyester (UP), acid value 30-36, viscosity 4500-6500,
Tg is more than 61 DEG C.
Preferably, the epoxy resin is bisphenol A type epoxy resin.
It is furthermore preferred that the bisphenol A type epoxy resin is propane type epoxy resin of di phenolic group, molecular weight 3100-7000,
Density is 1.135-1.164, and softening point is 75-85 DEG C, epoxide equivalent 170-189g/eq.
Preferably, the curing agent is selected from TGIC, molecular weight 297, and fusing point is 88-98 DEG C, epoxide equivalent 107-108g/
eq。
Preferably, the filler in barium sulfate, calcium carbonate, kaolin, montmorillonite, mica powder, silica one
Kind or a variety of combinations.
The auxiliary agent includes one or more combinations in curing accelerator, levelling agent, wetting agent, antioxidant.
Preferably, the auxiliary agent includes curing accelerator, and by weight, the raw material of the powdery paints includes 0.5-
1.5 parts of curing accelerators.
Preferably, the curing accelerator is selected from triphenylphosphine, and fusing point 78.5-81.5, density 1.127-1.134 are insoluble
Yu Shui.
Preferably, the auxiliary agent includes levelling agent, and by weight, the raw material of the powdery paints includes 0.5-1.5 parts
Levelling agent.
Preferably, the levelling agent is selected from dimethyl silicone polymer, density 0.965-0.975,300 DEG C of flash-point, heat conduction system
Number 0.134-0.159W/M*K.
Preferably, the auxiliary agent includes wetting agent, and by weight, the raw material of the powdery paints includes 0.5-1 parts of profits
Humectant.
Preferably, one or more combinations of the wetting agent in glycerine or dimethyl sulfoxide (DMSO).
Preferably, the auxiliary agent includes antioxidant, and by weight, the raw material of the powdery paints includes 0.5-1 parts anti-
Oxygen agent.
Preferably, the antioxidant is selected from irgasfos 168, antioxidant 1010, antioxidant 1076, and one in antioxidant 300
Kind or a variety of combinations.
Preferably, the pigment is iron oxide red or chrome red.
Second aspect of the present invention provides the preparation method of the metal tube plastic-coated powdery paints, includes the following steps：
1) polyester, epoxy resin, curing agent, filler, auxiliary agent, pigment are crushed and is mixed in high speed disintegrator by formula
Uniformly；
2) sample preparation in Haake rotational rheometer (HAAKE Rotational Rheometer), temperature 110~130 is added
DEG C, 50~60rpm of engine speed, 5~7min of time；
3) sample preparation is crushed.
Preferably, in the step 3, sample can also be filtered after crushing.
Third aspect present invention provides the powdery paints and is used for metal tube surface plastic-coated, and the metal tube can be for example
Metal tube etc..
Metal tube plastic-coated powder provided by the present invention has preferable bending resistance and preferable water boiling resistance performance, according to
Standard GB/T/T18997.1-2005 set quotas are tested, and integrated performance index is excellent, have good industrialization
Foreground.
Specific implementation mode
Illustrate that embodiments of the present invention, those skilled in the art can be by this specification below by way of specific specific example
Disclosed content understands other advantages and effect of the present invention easily.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also be based on different viewpoints with application, without departing from
Various modifications or alterations are carried out under the spirit of the present invention.
It should be clear that in the following example not specifically dated process equipment or device be all made of conventional equipment in the art or
Device.
In addition, it should also be understood that, one or more method and step mentioned in the present invention does not repel before and after the combination step
It can also be inserted into other methods step there may also be other methods step or between these explicitly mentioned steps, unless separately
It is described；It should also be understood that the combination connection relation between one or more equipment/device mentioned in the present invention is not repelled
The front and back two equipment/devices specifically mentioned there may also be other equipment/device or at these of the unit equipment/device it
Between can also be inserted into other equipment/device, unless otherwise indicated.Moreover, unless otherwise indicated, the number of various method steps is only
Differentiate the convenient tool of various method steps, rather than to limit the ordering of various method steps or limiting the enforceable model of the present invention
It encloses, relativeness is altered or modified, and without material changes in technical content, when being also considered as, the present invention is enforceable
Scope.
Embodiment 1
The component ratio of pipe plastic coating powdery paints：
Wherein, polyester is O-phthalic acid type unsaturated polyester (UP), and acid value 30, viscosity 5500, Tg is not more than 61 DEG C
Saturated polyester；Epoxy resin is bisphenol A type epoxy resin propane type epoxy resin of di phenolic group, molecular weight 4500-6000, density
For 1.135-1.164, softening point is 75-85 DEG C, epoxide equivalent 170-189g/eq；；Curing agent is TIGC；Filler is sulfuric acid
Barium；Pigment is iron oxide red；Auxiliary agent includes 0.5 part of curing accelerator, 0.5 part of levelling agent, soaks 0.5 part, 0.5 part of antioxidant,
Curing accelerator is selected from triphenylphosphine, and levelling agent is selected from dimethyl silicone polymer, and wetting agent is selected from glycerine, and antioxidant is selected from antioxygen
Agent 1076 and antioxidant 300, weight ratio 1:1.
Preparation method is specific as follows：
1) raw material components parts by weight are pressed, by polyester, epoxy resin, curing agent, filler, auxiliary agent, pigment is in high speed disintegrator
Middle crushing is simultaneously uniformly mixed；
2) sample preparation in addition Haake rotational rheometer, 110~130 DEG C, 50~60rpm of engine speed of temperature, the time 5~
7min。
3) sample preparation is put into pulverizer and is crushed, then with filter screen filtration, filter screen aperture is 3.08mm.
Embodiment 2
The component ratio of pipe plastic coating powdery paints：
Wherein, polyester is O-phthalic acid type unsaturated polyester (UP), and acid value 33, viscosity 6500, Tg is not more than 61 DEG C
Saturated polyester；Epoxy resin is bisphenol A type epoxy resin propane type epoxy resin of di phenolic group, molecular weight 4500-6000, density
For 1.135-1.164, softening point is 75-85 DEG C, epoxide equivalent 170-189g/eq；Curing agent is TIGC；Filler is carbonic acid
Calcium；Pigment is iron oxide red；Auxiliary agent includes 1.5 parts of curing accelerator, 1.5 parts of levelling agent, wetting 1 part, 1 part of antioxidant, solidification
Accelerating agent is selected from triphenylphosphine, and levelling agent is selected from dimethyl silicone polymer, and wetting agent is selected from dimethyl sulfoxide (DMSO), and antioxidant is selected from anti-
Oxygen agent 1010.
Preparation method is specific as follows：
1) raw material components parts by weight are pressed, by polyester, epoxy resin, curing agent, filler, auxiliary agent, pigment is in high speed disintegrator
Middle crushing is simultaneously uniformly mixed；
2) sample preparation in addition Haake rotational rheometer, 110~130 DEG C, 50~60rpm of engine speed of temperature, the time 5~
7min。
3) sample preparation is put into pulverizer and is crushed, then with filter screen filtration, filter screen aperture is 3.08mm.
Embodiment 3
The component ratio of pipe plastic coating powdery paints：
Wherein, polyester is O-phthalic acid type unsaturated polyester (UP), and acid value 36, viscosity 4500, Tg is not more than 61 DEG C
Saturated polyester；Epoxy resin is bisphenol A type epoxy resin propane type epoxy resin of di phenolic group, molecular weight 4500-6000, density
For 1.135-1.164, softening point is 75-85 DEG C, epoxide equivalent 170-189g/eq；Curing agent is TIGC；Filler is titanium dioxide
Silicon；Pigment is iron oxide red；Auxiliary agent includes 1 part of curing accelerator, 1 part of levelling agent, wetting 1 part, 0.5 part of antioxidant, and solidification promotees
It is selected from triphenylphosphine into agent, levelling agent is selected from dimethyl silicone polymer, and wetting agent is selected from glycerine, and antioxidant is selected from irgasfos 168.
Preparation method is specific as follows：
1) raw material components parts by weight are pressed, by polyester, epoxy resin, curing agent, filler, auxiliary agent, pigment is in high speed disintegrator
Middle crushing is simultaneously uniformly mixed；
2) sample preparation in addition Haake rotational rheometer, 110~130 DEG C, 50~60rpm of engine speed of temperature, the time 5~
7min。
3) sample preparation is put into pulverizer and is crushed, then with filter screen filtration, filter screen aperture is 3.08mm.
Embodiment 4
Each adhering resin that embodiment 1-3 is prepared, according to standard GB/T/T5135.5-2010 set quotas
It is tested, it is as a result as follows：
Table 1
In conclusion the present invention effectively overcomes various shortcoming in the prior art and has high industrial utilization.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology can all carry out modifications and changes to above-described embodiment without violating the spirit and scope of the present invention.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should by the present invention claim be covered.
Claims (10)
1. a kind of powdery paints, by weight, raw material include following component：
2. a kind of powdery paints as described in claim 1, which is characterized in that the polyester is unsaturated polyester (UP)；The epoxy
Resin is bisphenol A type epoxy resin.
3. a kind of powdery paints as claimed in claim 2, which is characterized in that the unsaturated polyester (UP) is to lead terephthalate-type not
Saturated polyester, acid value 30-36, viscosity 4500-6500, Tg are more than 61 DEG C；The bisphenol A type epoxy resin is diphenylol third
Alkane type epoxy resin, molecular weight 3100-7000, density 1.135-1.164, softening point are 75-85 DEG C, and epoxide equivalent is
170-189g/eq。
4. a kind of powdery paints as described in claim 1, which is characterized in that the curing agent is selected from TGIC, the filler choosing
From one or more combinations in barium sulfate, calcium carbonate, kaolin, montmorillonite, mica powder, silica.
5. a kind of powdery paints as described in claim 1, which is characterized in that the auxiliary agent includes curing accelerator, by weight
The raw material of part meter, the powdery paints includes 0.5-1.5 parts of curing accelerators, and the curing accelerator is selected from triphenylphosphine.
6. a kind of powdery paints as described in claim 1, which is characterized in that the auxiliary agent includes levelling agent, by weight,
The raw material of the powdery paints includes 0.5-1.5 parts of levelling agents, and the levelling agent is selected from dimethyl silicone polymer, density 0.965-
0.975。
7. a kind of powdery paints as described in claim 1, which is characterized in that the auxiliary agent includes wetting agent, by weight,
The raw material of the powdery paints includes 0.5-1 parts of wetting agents, one kind in glycerine or dimethyl sulfoxide (DMSO) of the wetting agent or
A variety of combinations.
8. a kind of metal tube plastic-coated powdery paints as described in claim 1, which is characterized in that the auxiliary agent includes antioxidant,
By weight, the raw material of the powdery paints includes 0.5-1 parts of antioxidant, and the antioxidant is selected from irgasfos 168, antioxidant
1010, one or more combinations in antioxidant 1076, antioxidant 300.
9. the preparation method of the powdery paints as described in claim 1-8 any claims, includes the following steps：
1) polyester, epoxy resin, curing agent, filler, auxiliary agent, pigment are crushed by formula in high speed disintegrator and is mixed
It is even；
2) sample preparation in Haake rotational rheometer, 110~130 DEG C, 50~60rpm of engine speed, 5~7min of time of temperature is added；
3) sample preparation is crushed.
10. the powdery paints as described in claim 1-8 any claims is used for metal tube surface plastic-coated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611260679.3A CN108610914A (en) | 2016-12-30 | 2016-12-30 | A kind of metal tube plastic-coated powdery paints and its preparation method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611260679.3A CN108610914A (en) | 2016-12-30 | 2016-12-30 | A kind of metal tube plastic-coated powdery paints and its preparation method and application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108610914A true CN108610914A (en) | 2018-10-02 |
Family
ID=63658444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611260679.3A Pending CN108610914A (en) | 2016-12-30 | 2016-12-30 | A kind of metal tube plastic-coated powdery paints and its preparation method and application |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112852252A (en) * | 2020-12-25 | 2021-05-28 | 上海邦中新材料有限公司 | Special powder coating for household appliances and preparation method thereof |
| CN114292566A (en) * | 2022-01-17 | 2022-04-08 | 殷浩然 | Powder coating production process |
| CN115260881A (en) * | 2022-08-18 | 2022-11-01 | 温州市立邦塑粉有限公司 | Low-temperature curing polyester type powder coating and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013076019A (en) * | 2011-09-30 | 2013-04-25 | Dainippon Toryo Co Ltd | Powder coating composition |
| CN104861840A (en) * | 2015-06-05 | 2015-08-26 | 霸州市金昌环保材料有限公司 | Thin spray powder coating and preparation method thereof |
-
2016
- 2016-12-30 CN CN201611260679.3A patent/CN108610914A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013076019A (en) * | 2011-09-30 | 2013-04-25 | Dainippon Toryo Co Ltd | Powder coating composition |
| CN104861840A (en) * | 2015-06-05 | 2015-08-26 | 霸州市金昌环保材料有限公司 | Thin spray powder coating and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112852252A (en) * | 2020-12-25 | 2021-05-28 | 上海邦中新材料有限公司 | Special powder coating for household appliances and preparation method thereof |
| CN114292566A (en) * | 2022-01-17 | 2022-04-08 | 殷浩然 | Powder coating production process |
| CN115260881A (en) * | 2022-08-18 | 2022-11-01 | 温州市立邦塑粉有限公司 | Low-temperature curing polyester type powder coating and preparation method thereof |
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Application publication date: 20181002 |