CN107459913A - A kind of extra-weather-proof high temperature resistance and the powdery paints extremely preparation method for having skin sense - Google Patents
A kind of extra-weather-proof high temperature resistance and the powdery paints extremely preparation method for having skin sense Download PDFInfo
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- CN107459913A CN107459913A CN201710795220.1A CN201710795220A CN107459913A CN 107459913 A CN107459913 A CN 107459913A CN 201710795220 A CN201710795220 A CN 201710795220A CN 107459913 A CN107459913 A CN 107459913A
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- 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
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- 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
-
- 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
- C09D5/18—Fireproof paints including high temperature resistant paints
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a kind of extra-weather-proof high temperature resistance and have the powdery paints of skin sense, belong to coating material production technical field, the powdery paints includes following raw material composition：Thermosetting terminal carboxyl polyester resin account for 40~44 parts, acrylic resin account for 12~14 parts, terminal hydroxy group resin account for 4~6 parts, 1 ~ 3 part of heat stabilizer, 20 ~ 30 parts of flake asbestos, curing agent account for 4~5 parts, color stuffing account for 26~33 parts, auxiliary agent account for 2.5~4 parts, present invention also offers a kind of method for the powdery paints for preparing extra-weather-proof high temperature resistance and having skin sense.The coating powder produced by invention not only has a high temperature resistant, and the advantages of at a temperature of 500 DEG C within 4 hours discolorations 2.0, and film coated surface is fine and smooth just as baby skin, is that common matt product is incomparable.
Description
Technical field
The present invention relates to coating material production technical field, and in particular to a kind of extra-weather-proof high temperature resistance and the powdery paints for having skin sense
Extremely preparation method.
Background technology
Heat Resistant Powder Coatings refer to that 200 DEG C of temperatures above can be subjected to for a long time, and film is non-discolouring, does not destroy, remains to keep
Appropriate physical and mechanical properties, the coating to play a protective role, heat-resisting paint are widely used in the high temperature position of plant equipment, generally
Heat Resistant Powder Coatings be only simply to be improved on the basis of existing ordinary powder coating, therefore light-protection rate be present
The shortcomings of low and bad mechanical property, and the powdery paints used at present generally is dumb light product, surface is low and deep granular sensation.
The content of the invention
For defect present in above-mentioned prior art, a kind of extra-weather-proof high temperature resistance of the invention and the powder painting for having skin sense
The advantages of material not only has a high temperature resistant, and 4 hours change colour within 2.0 at a temperature of 500 DEG C, and film coated surface is just as baby skin
As it is fine and smooth, be that common matt product is incomparable.
In order to realize above-mentioned technical purpose, a kind of extra-weather-proof high temperature resistance of the invention and the powdery paints for having skin sense, it is special
Sign is, includes following raw material composition：Thermosetting terminal carboxyl polyester resin accounts for 40~44 parts, acrylic resin accounts for
12~14 parts, terminal hydroxy group resin account for 4~6 parts, 1 ~ 3 part of heat stabilizer, 20 ~ 30 parts of flake asbestos, curing agent account for 4~5 parts, face
Filler account for 26~33 parts, auxiliary agent account for 2 .5~4 part.
Preferably, the heat stabilizer is rare earth element oxide.
Further, the heat stabilizer is zirconium oxide.
Preferably, the curing agent is the triglycidyl isocyanurate with epoxy radicals, polyepoxy compound or band
Hydroxyalkyl amide of hydroxyl etc. can be one or more of with the compound of the polyester resin cross-linking and curing reaction of end carboxyl.
Preferably, the auxiliary agent include levelling agent, dispersant, degasifier, fluffy powder, UV absorbers, antioxidant,
Accelerator, pure tetrafluoro sodium.
Further, 0.8 ~ 1.2 part of the levelling agent, 0.4 ~ 0.6 part of dispersant, 0.3 ~ 0.5 part of degasifier, fluffy powder
0.08 ~ 0.12 part, 0.4 ~ 0.6 part of UV absorbers, 0.4 ~ 0.6 part of antioxidant, 0.08 ~ 0.12 part of accelerator, pure four
0.08 ~ 0.12 part of fluorine wax.
Preferably, the preparation side of a kind of extra-weather-proof high temperature resistance and the powdery paints for having skin sense as described in claim 1 ~ 6
Method, mainly comprise the steps of：
（1）Raw material are weighed by formula；
（2）By thermosetting terminal carboxyl polyester resin, acrylic resin, terminal hydroxy group resin through high-speed mixer by double screw extruder
An area cylinder enter, by heat stabilizer, flake asbestos, curing agent, color stuffing, auxiliary agent together by high-speed mixer by twin-screw
Four area's cylinders of extruder enter, then are extruded after double screw extruder is blended；
（3）By step（2）The chip solid obtained after middle extrusion cools down broken frustillatum solid through tablet press machine, uses air classification
Levigate crushing and classification, then obtain powdery paints with vibratory sieve sieving separating.
Further, the high-speed mixer is that 3 ~ 10min is mixed under 85r/min rotating speeds.
Further, 100 DEG C of I area's temperature of double screw extruder, II 100 DEG C of area's temperature.
Compared with prior art, a kind of extra-weather-proof high temperature resistance of the invention and have skin sense powdery paints not only there is resistance to height
Temperature, the advantages of at a temperature of 500 DEG C within 4 hours discolorations 2.0, and film coated surface is fine and smooth just as baby skin, is common
Matt product is incomparable.
Embodiment
Become apparent from understanding in order that the objects, technical solutions and advantages of the present invention seem, now pass through specific embodiment pair
The present invention is further explained explanation, it will be appreciated that embodiment described herein is only explanation of the present invention, not
For limiting the scope of the invention.
Embodiment 1
Weigh that thermosetting terminal carboxyl polyester resin accounts for 40 parts, acrylic resin accounts for 12 parts, terminal hydroxy group resin accounts for 4 parts and be in rotating speed
Mix 3min under 85r/min high-speed mixer, entered by an area cylinder of double screw extruder, then weigh 1 part of heat stabilizer,
20 parts of flake asbestos, curing agent account for 4 parts, color stuffing account for 26 parts, it is 0.8 part of levelling agent, 0.4 part of dispersant, 0.3 part of degasifier, loose
0.08 part of agent, 0.4 part of UV absorbers, 0.4 part of antioxidant, 0.08 part of accelerator, 0.08 part of pure tetrafluoro wax, pass through
5min is mixed under 85r/min high-speed mixer, is entered by four area's cylinders of double screw extruder, is by I area's temperature successively
100 DEG C, II area's temperature is that 100 DEG C of double screw extruder obtains chip solid, and broken frustillatum solid is cooled down through tablet press machine,
Powdery paints is obtained with the finely divided classification of air classification mill, then with vibratory sieve sieving separating.
The performance test of paint film is as shown in table 1：
| Test event | Execution standard | Range of results |
| Thickness | ISO2360-2003 | 48um |
| 60 ° of glossiness | ISO2813-1994 | 8% |
| Impact strength | ISO6272-1-2001 | 20lnch/lbs (fine fisssure, is not fallen off) |
| Cupping | ISO1520-2006 | ≤5mm |
| Bending | ISO1519-2011 | ≥5mm |
| Crosshatch adhesion | ISO2409-2013 | 0 grade, hundred lattice are without coming off |
| Identation hardness | ISO2815-2003 | ≥80 |
| Naturally it is weather-proof | GB9276 | Light-protection rate ＞ 80% |
| Heat-resisting quantity | 4 hours at 500 DEG C of Muffle furnace | Discoloration rate 1.6%, no cracking come off |
Embodiment 2
Weigh that thermosetting terminal carboxyl polyester resin accounts for 42 parts, acrylic resin accounts for 13 parts, terminal hydroxy group resin accounts for 5 parts and be in rotating speed
Mix 4min under 85r/min high-speed mixer, entered by an area cylinder of double screw extruder, then weigh 2 parts of heat stabilizer,
25 parts of flake asbestos, curing agent account for 4.5 parts, color stuffing account for 30 parts, 1 part of levelling agent, 0.5 part of dispersant, 0.4 part of degasifier, pine
0.1 part of powder, 0.5 part of UV absorbers, 0.5 part of antioxidant, 0.1 part of accelerator, 0.1 part of pure tetrafluoro wax, pass through
7min is mixed under 85r/min high-speed mixer, is entered by four area's cylinders of double screw extruder, is by I area's temperature successively
100 DEG C, II area's temperature is that 100 DEG C of double screw extruder obtains chip solid, and broken frustillatum solid is cooled down through tablet press machine,
Powdery paints is obtained with the finely divided classification of air classification mill, then with vibratory sieve sieving separating.
The performance test of paint film is as shown in table 2：
| Test event | Execution standard | Range of results |
| Thickness | ISO2360-2003 | 50um |
| 60 ° of glossiness | ISO2813-1994 | 12% |
| Impact strength | ISO6272-1-2001 | 20lnch/lbs (fine fisssure, is not fallen off) |
| Cupping | ISO1520-2006 | ≤5mm |
| Bending | ISO1519-2011 | ≥5mm |
| Crosshatch adhesion | ISO2409-2013 | 0 grade, hundred lattice are without coming off |
| Identation hardness | ISO2815-2003 | ≥80 |
| Naturally it is weather-proof | GB9276 | Light-protection rate ＞ 80% |
| Heat-resisting quantity | 4 hours at 500 DEG C of Muffle furnace | Discoloration rate 1.3%, no cracking come off |
Embodiment 3
Weigh that thermosetting terminal carboxyl polyester resin accounts for 44 parts, acrylic resin accounts for 14 parts, terminal hydroxy group resin accounts for 6 parts and be in rotating speed
Mix 7min under 85r/min high-speed mixer, entered by an area cylinder of double screw extruder, then weigh 3 parts of heat stabilizer,
30 parts of flake asbestos, curing agent account for 5 parts, color stuffing account for 33 parts, it is 1.2 parts of levelling agent, 0.6 part of dispersant, 0.5 part of degasifier, loose
0.12 part of agent, 0.6 part of UV absorbers, 0.6 part of antioxidant, 0.12 part of accelerator, 0.12 part of pure tetrafluoro wax, pass through
10min is mixed under 85r/min high-speed mixer, is entered by four area's cylinders of double screw extruder, is by I area's temperature successively
100 DEG C, II area's temperature is that 100 DEG C of double screw extruder obtains chip solid, and broken frustillatum solid is cooled down through tablet press machine,
Powdery paints is obtained with the finely divided classification of air classification mill, then with vibratory sieve sieving separating.
The performance test of paint film is as shown in table 3：
| Test event | Execution standard | Range of results |
| Thickness | ISO2360-2003 | 53um |
| 60 ° of glossiness | ISO2813-1994 | 13% |
| Impact strength | ISO6272-1-2001 | 20lnch/lbs (fine fisssure, is not fallen off) |
| Cupping | ISO1520-2006 | ≤5mm |
| Bending | ISO1519-2011 | ≥5mm |
| Crosshatch adhesion | ISO2409-2013 | 0 grade, hundred lattice are without coming off |
| Identation hardness | ISO2815-2003 | ≥80 |
| Naturally it is weather-proof | GB9276 | Light-protection rate ＞ 80% |
| Heat-resisting quantity | 4 hours at 500 DEG C of Muffle furnace | Discoloration rate 1.5%, no cracking come off |
It is described above, only it is presently preferred embodiments of the present invention, any restrictions is not done to the present invention, it is every real according to inventive technique
Any simple modification, change and the equivalent structure change that confrontation above example is made, still fall within technical solution of the present invention
Protection domain in.
Claims (9)
1. a kind of extra-weather-proof high temperature resistance and the powdery paints for having skin sense, it is characterised in that include following raw material composition：
Thermosetting terminal carboxyl polyester resin account for 40~44 parts, acrylic resin account for 12~14 parts, terminal hydroxy group resin account for 4~6 parts,
1 ~ 3 part of heat stabilizer, 20 ~ 30 parts of flake asbestos, curing agent account for 4~5 parts, color stuffing account for 26~33 parts, auxiliary agent account for 2.5~4
Part.
2. extra-weather-proof high temperature resistance according to claim 1 and the powdery paints for having skin sense, it is characterised in that：The thermostabilization
Agent is rare earth element oxide.
3. extra-weather-proof high temperature resistance according to claim 2 and the powdery paints for having skin sense, it is characterised in that：The thermostabilization
Agent is zirconium oxide.
4. extra-weather-proof high temperature resistance according to claim 1 and the powdery paints for having skin sense, it is characterised in that：The curing agent
Can be with holding carboxylic for the triglycidyl isocyanurate with epoxy radicals, polyepoxy compound or hydroxyl hydroxyalkyl amide etc.
The compound of the polyester resin cross-linking and curing reaction of base is one or more of.
5. extra-weather-proof high temperature resistance according to claim 1 and the powdery paints for having skin sense, it is characterised in that：The auxiliary agent bag
Include levelling agent, dispersant, degasifier, fluffy powder, UV absorbers, antioxidant, accelerator, pure tetrafluoro sodium.
6. extra-weather-proof high temperature resistance according to claim 5 and the powdery paints for having skin sense, it is characterised in that：The levelling agent
0.8 ~ 1.2 part, 0.4 ~ 0.6 part of dispersant, 0.3 ~ 0.5 part of degasifier, 0.08 ~ 0.12 part of fluffy powder, UV absorbers
0.4 ~ 0.6 part, 0.4 ~ 0.6 part of antioxidant, 0.08 ~ 0.12 part of accelerator, 0.08 ~ 0.12 part of pure tetrafluoro wax.
7. a kind of preparation method of extra-weather-proof high temperature resistance and the powdery paints for having skin sense as described in claim 1 ~ 6, main bag
Containing following steps：
（1）Raw material are weighed by formula；
（2）By thermosetting terminal carboxyl polyester resin, acrylic resin, terminal hydroxy group resin through high-speed mixer by double screw extruder
An area cylinder enter, by heat stabilizer, flake asbestos, curing agent, color stuffing, auxiliary agent together by high-speed mixer by twin-screw
Four area's cylinders of extruder enter, then are extruded after double screw extruder is blended；
（3）By step（2）The chip solid obtained after middle extrusion cools down broken frustillatum solid through tablet press machine, uses air classification
Levigate crushing and classification, then obtain powdery paints with vibratory sieve sieving separating.
8. extra-weather-proof high temperature resistance according to claim 7 and the preparation method for having the powdery paints of skin sense, it is characterised in that：
The high-speed mixer is that 3 ~ 10min is mixed under 85r/min rotating speeds.
9. according to the preparation method of the extra-weather-proof high temperature resistance described in claim 7 and the powdery paints of tool skin sense, it is characterised in that：Institute
State 100 DEG C of I area's temperature of double screw extruder, II 100 DEG C of area's temperature.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710795220.1A CN107459913A (en) | 2017-09-06 | 2017-09-06 | A kind of extra-weather-proof high temperature resistance and the powdery paints extremely preparation method for having skin sense |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710795220.1A CN107459913A (en) | 2017-09-06 | 2017-09-06 | A kind of extra-weather-proof high temperature resistance and the powdery paints extremely preparation method for having skin sense |
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| CN107459913A true CN107459913A (en) | 2017-12-12 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114231134A (en) * | 2021-12-31 | 2022-03-25 | 厦门国丽静电粉末有限公司 | Powder coating with skin texture |
| CN115109482A (en) * | 2022-08-09 | 2022-09-27 | 广东银大科技有限公司 | Environment-friendly powder coating and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101565587A (en) * | 2009-05-25 | 2009-10-28 | 杨彬 | High temperature resistant economical electrostatic powder coating for electric room heater and preparation method thereof |
-
2017
- 2017-09-06 CN CN201710795220.1A patent/CN107459913A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101565587A (en) * | 2009-05-25 | 2009-10-28 | 杨彬 | High temperature resistant economical electrostatic powder coating for electric room heater and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114231134A (en) * | 2021-12-31 | 2022-03-25 | 厦门国丽静电粉末有限公司 | Powder coating with skin texture |
| CN115109482A (en) * | 2022-08-09 | 2022-09-27 | 广东银大科技有限公司 | Environment-friendly powder coating and preparation method thereof |
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Application publication date: 20171212 |