CN108587281A - A kind of powdery paints heat-proof aging modifying agent and preparation method thereof - Google Patents
A kind of powdery paints heat-proof aging modifying agent and preparation method thereof Download PDFInfo
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- CN108587281A CN108587281A CN201810294604.XA CN201810294604A CN108587281A CN 108587281 A CN108587281 A CN 108587281A CN 201810294604 A CN201810294604 A CN 201810294604A CN 108587281 A CN108587281 A CN 108587281A
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- modifying agent
- powdery paints
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- 239000003973 paint Substances 0.000 title claims abstract description 60
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 58
- 230000032683 aging Effects 0.000 title claims abstract description 55
- 238000002360 preparation method Methods 0.000 title claims abstract description 41
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims abstract description 88
- 239000002270 dispersing agent Substances 0.000 claims abstract description 29
- 239000000945 filler Substances 0.000 claims abstract description 25
- 238000002156 mixing Methods 0.000 claims abstract description 21
- 239000000843 powder Substances 0.000 claims abstract description 21
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 19
- 238000001914 filtration Methods 0.000 claims abstract description 19
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims abstract description 15
- 239000000920 calcium hydroxide Substances 0.000 claims abstract description 15
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims abstract description 15
- 230000006641 stabilisation Effects 0.000 claims abstract description 15
- 238000006243 chemical reaction Methods 0.000 claims abstract description 14
- 238000011105 stabilization Methods 0.000 claims abstract description 14
- 238000001035 drying Methods 0.000 claims abstract description 12
- 239000003607 modifier Substances 0.000 claims abstract description 11
- 206010013786 Dry skin Diseases 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910000000 metal hydroxide Inorganic materials 0.000 claims abstract description 5
- 150000004692 metal hydroxides Chemical class 0.000 claims abstract description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 21
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 claims description 21
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical group [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims description 17
- 238000003756 stirring Methods 0.000 claims description 17
- 239000004411 aluminium Substances 0.000 claims description 16
- 229910052782 aluminium Inorganic materials 0.000 claims description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 16
- 238000000576 coating method Methods 0.000 claims description 15
- 239000011248 coating agent Substances 0.000 claims description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 11
- 229910052791 calcium Inorganic materials 0.000 claims description 11
- 239000011575 calcium Substances 0.000 claims description 11
- 239000002202 Polyethylene glycol Substances 0.000 claims description 10
- 239000007864 aqueous solution Substances 0.000 claims description 10
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 10
- 229920001223 polyethylene glycol Polymers 0.000 claims description 10
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 10
- 239000000243 solution Substances 0.000 claims description 10
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 9
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 9
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims description 9
- 239000007822 coupling agent Substances 0.000 claims description 9
- 239000012065 filter cake Substances 0.000 claims description 6
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 5
- 150000004645 aluminates Chemical class 0.000 claims description 5
- 239000005543 nano-size silicon particle Substances 0.000 claims description 5
- 235000012239 silicon dioxide Nutrition 0.000 claims description 5
- 229910052725 zinc Inorganic materials 0.000 claims description 5
- 239000011701 zinc Substances 0.000 claims description 5
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 4
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- DLINORNFHVEIFE-UHFFFAOYSA-N hydrogen peroxide;zinc Chemical compound [Zn].OO DLINORNFHVEIFE-UHFFFAOYSA-N 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- UGZADUVQMDAIAO-UHFFFAOYSA-L zinc hydroxide Chemical compound [OH-].[OH-].[Zn+2] UGZADUVQMDAIAO-UHFFFAOYSA-L 0.000 claims description 3
- 229910021511 zinc hydroxide Inorganic materials 0.000 claims description 3
- 229940007718 zinc hydroxide Drugs 0.000 claims description 3
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 claims description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 claims description 2
- SWLVFNYSXGMGBS-UHFFFAOYSA-N ammonium bromide Chemical compound [NH4+].[Br-] SWLVFNYSXGMGBS-UHFFFAOYSA-N 0.000 claims 1
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims 1
- SRWMQSFFRFWREA-UHFFFAOYSA-M zinc formate Chemical compound [Zn+2].[O-]C=O SRWMQSFFRFWREA-UHFFFAOYSA-M 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 239000006185 dispersion Substances 0.000 abstract description 6
- 230000004075 alteration Effects 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 11
- 239000000126 substance Substances 0.000 description 7
- 239000002086 nanomaterial Substances 0.000 description 6
- 239000002105 nanoparticle Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 235000013339 cereals Nutrition 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 150000002894 organic compounds Chemical class 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 3
- 229910003978 SiClx Inorganic materials 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- -1 aluminum diformate Chemical compound 0.000 description 2
- 230000003712 anti-aging effect Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229910000077 silane Inorganic materials 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 231100000419 toxicity Toxicity 0.000 description 2
- 230000001988 toxicity Effects 0.000 description 2
- WBIQQQGBSDOWNP-UHFFFAOYSA-N 2-dodecylbenzenesulfonic acid Chemical compound CCCCCCCCCCCCC1=CC=CC=C1S(O)(=O)=O WBIQQQGBSDOWNP-UHFFFAOYSA-N 0.000 description 1
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000000845 anti-microbial effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- ZSDJVGXBJDDOCD-UHFFFAOYSA-N benzene dioctyl benzene-1,2-dicarboxylate Chemical compound C(C=1C(C(=O)OCCCCCCCC)=CC=CC1)(=O)OCCCCCCCC.C1=CC=CC=C1 ZSDJVGXBJDDOCD-UHFFFAOYSA-N 0.000 description 1
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 1
- 239000012965 benzophenone Substances 0.000 description 1
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 1
- 239000012964 benzotriazole Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 229940060296 dodecylbenzenesulfonic acid Drugs 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000007590 electrostatic spraying Methods 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000001192 hot extrusion Methods 0.000 description 1
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 239000002120 nanofilm Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 150000003021 phthalic acid derivatives Chemical class 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- KUCOHFSKRZZVRO-UHFFFAOYSA-N terephthalaldehyde Chemical compound O=CC1=CC=C(C=O)C=C1 KUCOHFSKRZZVRO-UHFFFAOYSA-N 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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
- 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
- C09D5/036—Stabilisers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2244—Oxides; Hydroxides of metals of zirconium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Paints Or Removers (AREA)
Abstract
The present invention relates to a kind of powdery paints heat-proof aging modifying agent and preparation method thereof, consist of the following parts by weight：10 20 parts of thermostabilization auxiliary agent；10 20 parts of light stabilization aid；15 parts of surface modifier；30 60 parts of heat-resistant filler；0.1 0.5 parts of dispersant.Preparation method includes the following steps：Include the following steps：The preparation of S1 heat-resistant fillers：Metal hydroxides powder and terephthalic acid powder are pressed 1：（1‑1.5）Molar ratio be added to the water, be made into 10 20% solution, 1/2 dispersant be added, 60 120min are stirred, mixing speed is 240 360r/min, and it is 8 10 to be used in combination calcium hydroxide to adjust final pH, terminate for reaction until pH of mixed is unchanged, filters, be dried to obtain heat-resistant filler；S2 is prepared；S3 filtering dryings.Heat-proof aging modifying agent prepared by the present invention has the advantages that dispersion performance is good, environmentally friendly, modified effect is good, aging aberration is small and thermal stability is high.
Description
Technical field
The present invention relates to powder coating additive technical fields, and in particular to a kind of powdery paints heat-proof aging modifying agent and
Preparation method.
Background technology
Powdery paints refers to a kind of novel being free of 100% solid powdery coating of solvent.With it is solvent-free, without dirt
It contaminates, is recyclable, environmentally friendly, save the energy and resource, reduce labor intensity the features such as high with coating machinery intensity.
Powdery paints is mixed, then pass through in certain proportion by specialty resins, color filters, curing agent and other auxiliary agents
Hot extrusion and the techniques such as pulverize and sieve are prepared.They store and stablize at normal temperatures, through electrostatic spraying, friction spraying (thermosetting
Method) or fluidized bed dipping (thermoplastic method), baking melting and solidification is reheated, makes the permanent film to form smooth, reaches
To decoration and etch-proof purpose.Its characteristic has：1, the product is free of toxicity.2, utilization rate of raw materials is high, some famous brand names
Powder supplies quotient production powder, cross the powder recoverable of spray, highest utilization rate even can be up to 99% or more.3、
After coated article pre-treatment, one-off construction is not necessarily to primary coat, you can and the film of adequate thickness is obtained, easily realizes automation mechanized operation, it is raw
It produces efficient, cost can be reduced.4, coating densification, adhesive force, impact strength and toughness are good, and corner coverage is high, has
Excellent resistance to corrosive chemicals energy and electrical insulation properties.5, powdery paints storage, transportation safety and conveniently.Powdery paints
And its application is due to low stain, to save resource, labor productivity high and the features such as convenient for carrying out automated production, from seventy or eighty years
Since generation, rapid development has been obtained.With the development of coatings industry, in terms of application of the powdery paints on metal substrate
It is widely used, in recent years, the exploitation and application of the functional products such as antimicrobial form, high wearable, weatherability, heat resistant type
As the developing direction of powdery paints.
There is more research to the weatherability and heat resistance that improve powdery paints both at home and abroad at present, from polymer stabilisation mechanism
For, the heat resistance of polymer depends primarily on its molecular structure.Polyester resin is mainly to be with C-O keys due to backbone structure
Main, heat resistance is poor, is easy aging after use under conditions of certain high temperature, manufactured powdery paints is by high-temperature baking
Coating has the scenes such as dusting, loss of gloss afterwards, loses the protective effect as coating, so needing to carry by certain modification
High-fire resistance.Powdery paints it is ageing-resistant mainly steady by synthesizing weather-proof matrix resin and addition organic uv absorbers, light
Two kinds of technological means such as agent are determined to extend the outdoor service life of powdery paints.But the study found that with the organic painting of modified product
The extension of layer solarization time, light aging resisting property still can continuously decrease, and finally lose weather-proof function.Its basic reason is
The photon energy of ultraviolet light (wavelength be 190~400nm) is higher, the matrix resin and organic modifiers of powdery paints for a long time by
Light degradation with aging can occur for UV energy attack.And the organic uv absorbers such as benzophenone, benzotriazole and by
The catabolite of the light stabilizers such as hindered amine has certain toxicity, therefore improves powdery paints light aging resisting by organic modifiers
Property approach have certain limitation.
In the prior art, selection organic modifiers have a foregone conclusion to the performance change of its heat-resisting and photostability etc
It is sex-limited, and since nano material is with its distinctive small-size effect, quantum effect and surface-interface effect, coating can be significantly improved
The performances such as the physical mechanical property of coating, heat-resisting and weatherability.But application of the nano material in coating, it is also simple by no means
It is added, but matching in nano material and film forming matter, the surface of dispersing technology, preparation method and material, which is modified, to carry out
A large amount of work.Only through overtesting, after continuously improving, improving, more satisfied result can be obtained.Generally use blending method
The nano material prepared is added in traditional organic dust coating, due to nano material large specific surface area, grain size is small, inhales
Attached property is strong, it is not easy to which the key disperseed, therefore prepared is the dispersion problem of nano material.
Invention content
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of powdery paints heat-proof aging modifying agent and
Preparation method solves the problems, such as that powdery paints is easy to aging thermo-labile and coating composition toxic is big.The present invention mainly adopts
The resistant to heat aging performance of powder coating is improved with nano inoganic particle, while solving dispersibility of the nano-particle in powdery paints
Bad problem, effectively prevents the phenomenon that nano-particle causes degradation in powdery paints because of reunion.
The purpose of the present invention is achieved through the following technical solutions：
A kind of resistant to heat aging modifying agent of powdery paints, consists of the following parts by weight：10-20 parts of thermostabilization auxiliary agent；Light
10-20 parts of stabilization aid；1-5 parts of surface modifier；30-60 parts of heat-resistant filler；0.1-0.5 parts of dispersant.
Powdery paints makes modifying agent be added in powdery paints using thermostabilization auxiliary agent and light stabilization aid, can enhance powder
The thermal stability and photostability of coating extend its usage time, heat-resisting anti-aging.
Preferably, it consists of the following parts by weight：15 parts of thermostabilization auxiliary agent；15 parts of light stabilization aid；2 parts of surface modifier；
50 parts of heat-resistant filler, 0.3 part of dispersant.
Further, the thermostabilization auxiliary agent is nano zircite, nano aluminium oxide, Nano zinc dioxide impact-resistant, nano-silica
At least one of SiClx and nano-aluminum phosphate.Thermostabilization auxiliary agent is inorganic matter, especially nano-grade inorganics, since its is peculiar
Small size and quantum effect and surface-interface effect, the physical mechanical property and ageing resistance of powdery paints can be significantly improved
Can, and compared with organic compound security performance higher, environmental pollution is small, and the thermostabilization auxiliary agent thermostabilization of itself in the present invention
Property and chemical stability it is high, storage period is long.
Further, the surface modifier is silane coupling agent, titanate coupling agent, aluminate coupling agent, methyl-prop
At least one of olefin(e) acid ester, stearate；
Further, the smooth stabilization aid is nano-titanium dioxide, the red type nanometer of nano-titanium dioxide, especially metal and stone two
Titanium oxide has excellent ultraviolet screener performance, powdery paints ageing-resistant performance can be significantly increased, relative to organic
Compound, security performance higher, environmental pollution is small, and the thermal stability and chemical stability of light stabilization aid itself are high, storage
Phase is long.The dispersant is Sodium Polyacrylate, polyethylene glycol, cetyl trimethylammonium bromide and/or dodecyl benzene sulfonic acid
At least one of sodium.
Further, the thermostabilization filler be M-phthalic acid aluminium, M-phthalic acid calcium, M-phthalic acid zinc, to benzene
At least one of aluminum diformate, terephthalic acid (TPA) calcium, terephthalic acid (TPA) zinc.
The above-mentioned powdery paints preparation method of resistant to heat aging modifying agent, includes the following steps：
The preparation of S1 heat-resistant fillers：Metal hydroxides powder and terephthalic acid powder are pressed 1：Mole of (1-1.5)
Ratio is added to the water, and is made into the solution of 10-20%, and 1/2 dispersant is added, and stirs 60-120min, mixing speed 240-
360r/min, it is 8-10 to be used in combination calcium hydroxide to adjust final pH, terminates for reaction until pH of mixed is unchanged, filters, dry
Obtain heat-resistant filler；
S2 is prepared：It counts in parts by weight, 10-20 parts of thermostabilization auxiliary agent, 1-5 parts of surface modifier, light stabilization aid 10-20
Part, in the heat-resistant filler for sequentially adding 30-60 parts of S1 preparations, it is made into the aqueous solution of 20-30%, while 1/2 dispersant is added,
30-60min is stirred, mixing speed 240-360r/min is subsequently placed in grinder and grinds 30-60min；
S3 filtering dryings：Mixed liquor filtering prepared by S2, gained filter cake dry 2-4hr at 120-150 DEG C to get described
Powdery paints heat-proof aging modifying agent.
Further, the grain size after being ground in the S2 steps is measured as being not more than 15 μm with laser fineness gage.
In the preparation process of modifying agent, preparation method is simple, and filtrate can be environmentally friendly with reuse, and can ensure that drying obtains at
Product grain size is small, good dispersion, soilless sticking.
The beneficial effects of the invention are as follows：
1. powdery paints is using nano-inorganic substance as thermostabilization auxiliary agent and light stabilization aid so that powder is added in modifying agent
The thermal stability and photostability that powdery paints can be enhanced in coating extend its usage time, heat-resisting anti-aging.Thermostabilization auxiliary agent
It is inorganic matter with light stabilization aid, compared with organic compound security performance higher, environmental pollution is small, is injured to operating personnel
It is small, and the effect of the thermostabilization auxiliary agent and light stabilization aid used in the present invention is good, thermostabilization auxiliary agent and light stabilization aid itself
Thermal stability and chemical stability it is high, storage period is long；
2. heat-resistant filler uses Phthalate, Phthalate is metal Dicarboxylic Acids salt, has larger ratio
Surface area and metallic bond coordination ability, adsorption capacity is stronger, and heat resistance is good.It can be adsorbed and be received in the form of physical absorption or chemical bonding
Rice corpuscles, benzene ring structure can form effective steric hindrance, prevent from further reuniting between nano-particle, and levelability
Good, strong adhesive force and raw material to metal interface are easy to stir evenly, and use Phthalate for the pre-dispersed of nano-particle
Body, inorganic nano-particle can be supported on Coordinative Chemistry bonding pattern on phthalic acid salt particle in aqueous solution, can be effective
Prevent the reunion of inorganic nano-particle, dispersion performance good.
3. since nano-inorganic substance and heat-resistant filler are polar molecule, in the preparation process of modifying agent, to use table
Face modifying agent effectively coats polar molecule, and to more preferable with the organic binder intermiscibility of powdery paints, dispersion is more equal
It is even.
4. in the preparation process of modifying agent, preparation method is simple, and filtrate can be environmentally friendly with reuse.Pass through grinding
Process, by grind size control in the range of less than 15 microns (being measured with laser particle distribution instrument), it is ensured that obtained after drying
Modifying agent grain size it is small, good dispersion is easy to be uniformly dispersed in powdery paints.
Specific implementation mode
Technical scheme of the present invention is described in further detail with reference to specific embodiment, but protection scope of the present invention is not
It is confined to as described below.
Embodiment 1
A kind of powdery paints heat-proof aging modifying agent, consists of the following parts by weight：15 parts of nano zircite；Odium stearate
2 parts；15 parts of nano-titanium dioxide；50 parts of M-phthalic acid aluminium, 0.3 part of dispersant.
The above-mentioned powdery paints preparation method of resistant to heat aging modifying agent, includes the following steps：
The preparation of S1 heat-resistant fillers：By aluminium hydroxide and M-phthalic acid massage that than being 2：3 ratio, is added to
In a certain amount of water, it is made into the solution of 10-20%, 1/2 dispersant polyethylene glycol is added, stirs 60min, mixing speed is
240r/min, it is 8 to be used in combination calcium hydroxide to adjust final pH, is basically completed for reaction until pH of mixed is unchanged, aluminium hydroxide
It is reacted with M-phthalic acid and generates M-phthalic acid aluminium.
S2 is prepared：In parts by weight, by 15 parts of nano zircite, 2 parts of odium stearate, 15 parts of nano-titanium dioxide, successively
It is added in M-phthalic acid aluminium mixed liquor prepared by 50 parts of (in terms of dry product) S1, is made into the aqueous solution of 20-30%, while being added 1/
2 dispersant Sodium Polyacrylate, stirs 30min, and mixing speed 240r/min is subsequently placed in grinder and grinds 30min.
S3 filtering dryings：Mixed liquor filtering prepared by S2, and 2h is dried to get the powdery paints with resistance at 120 DEG C
Heat ageing modifying agent.
Embodiment 2
A kind of powdery paints heat-proof aging modifying agent, consists of the following parts by weight：15 parts of Nano zinc dioxide impact-resistant；Methyl-prop
3 parts of olefin(e) acid ester；15 parts of nano-titanium dioxide；50 parts of M-phthalic acid calcium, 0.1 part of dispersant.
The above-mentioned powdery paints preparation method of resistant to heat aging modifying agent, includes the following steps：
The preparation of S1 heat-resistant fillers：By calcium hydroxide and M-phthalic acid in molar ratio 1：1.3 ratio is added to certain
In the water of amount, it is made into the solution of 10-20%, 1/2 dispersant polyethylene glycol is added, stirs 120min, mixing speed 300r/
Min, it is 9 to be used in combination calcium hydroxide to adjust final pH, is basically completed for reaction until pH of mixed is unchanged, calcium hydroxide and isophthalic
Dioctyl phthalate reaction generates M-phthalic acid calcium；
S2 is prepared：In parts by weight, by 15 parts of nano zine oxide, 3 parts of methacrylate, 15 parts of nano-titanium dioxide,
In the M-phthalic acid calcium mixed liquor for sequentially adding 50 parts of (in terms of dry product) S1 preparations, it is made into the aqueous solution of 20-30%, is added simultaneously
Enter 1/2 dispersant Sodium Polyacrylate, stir 40min, mixing speed 300r/min is subsequently placed in grinder and grinds
50min；
S3 filtering dryings：Mixed liquor filtering prepared by S2, gained filter cake are dried 3h at 150 DEG C and are applied to get the powder
Material heat-proof aging modifying agent.
Embodiment 3
A kind of powdery paints heat-proof aging modifying agent, consists of the following parts by weight：15 parts of nano silicon dioxide；Silane is even
Join KH5503 parts of agent；15 parts of nano-titanium dioxide；50 parts of M-phthalic acid zinc, 0.5 part of dispersant.
The above-mentioned powdery paints preparation method of resistant to heat aging modifying agent, includes the following steps：
The preparation of S1 heat-resistant fillers：It is 1 by zinc hydroxide and terephthalic acid powder molar ratio：1 ratio, is added to one
In quantitative water, it is made into the solution of 10-20%, 1/2 polyethylene glycol is added, stirs 120min, mixing speed 360r/min,
Be used in combination calcium hydroxide adjust final pH be 10, until pH of mixed it is unchanged for reaction be basically completed, zinc hydroxide powder and
Phthalic acid reaction generates M-phthalic acid zinc；
S2 is prepared：In parts by weight, by 15 parts of nano zine oxide, 3 parts of Silane coupling agent KH550, nano-titanium dioxide 15
Part, in the M-phthalic acid calcium mixed liquor for sequentially adding 50 parts of (in terms of dry product) S1 preparations, it is made into the aqueous solution of 20-30%, together
When be added 1/2 dispersant Sodium Polyacrylate, stir 60min, mixing speed 360r/min is subsequently placed in grinder and grinds
60min；
S3 filtering dryings：Mixed liquor filtering prepared by S2, gained filter cake are dried 4h at 150 DEG C and are applied to get the powder
Material heat-proof aging modifying agent.
Embodiment 4
A kind of powdery paints heat-proof aging modifying agent, consists of the following parts by weight：15 parts of nano aluminium oxide；Titanate esters are even
2 parts of mixture；15 parts of nano-titanium dioxide；50 parts of terephthalic acid (TPA) aluminium, 0.4 part of dispersant.
The above-mentioned powdery paints preparation method of heat-proof aging modifying agent, includes the following steps：
The preparation of S1 heat-resistant fillers：It is 1 in molar ratio by aluminium hydroxide and M-phthalic acid：1.2 ratio, is added to one
In quantitative water, it is made into the solution of 10-20%, 1/2 polyethylene glycol is added, stirs 60min, mixing speed 360r/min,
It is 10 to be used in combination calcium hydroxide to adjust final pH, is basically completed for reaction until pH of mixed is unchanged.Aluminium hydroxide with to benzene two
Formic acid reaction generates terephthalic acid (TPA) aluminium；
S2 is prepared：In parts by weight, by 15 parts of nano aluminium oxide, 3 parts of Silane coupling agent KH550, nano-titanium dioxide 15
Part, in the terephthalic acid (TPA) aluminium mixed liquor for sequentially adding 50 parts of (in terms of dry product) S1 preparations, it is made into the aqueous solution of 20-30%, together
When be added 1/2 dispersant Sodium Polyacrylate, stir 60min, mixing speed 240r/min is subsequently placed in grinder and grinds
30min,
S3 filtering dryings：Mixed liquor filtering prepared by S2, gained filter cake are dried 4h at 120 DEG C and are applied to get the powder
Material heat-proof aging modifying agent.
Embodiment 5
A kind of powdery paints heat-proof aging modifying agent, consists of the following parts by weight：10 parts of nano-aluminum phosphate；Nano-silica
5 parts of SiClx, KH5602 parts of silane coupling agent；15 parts of nano-titanium dioxide；50 parts of terephthalic acid (TPA) aluminium, 0.2 part of dispersant.
The above-mentioned powdery paints preparation method of heat-proof aging modifying agent, includes the following steps：
The preparation of S1 heat-resistant fillers：It is 2 in molar ratio by aluminium hydroxide and terephthalic acid (TPA)：3 ratio is added to certain
In the water of amount, it is made into the solution of 10-20%, 1/2 polyethylene glycol is added, stirs 100min, mixing speed 320r/min, and
It is 10 to adjust final pH with calcium hydroxide, is basically completed for reaction until pH of mixed is unchanged.Aluminium hydroxide and terephthaldehyde
Acid reaction generates terephthalic acid (TPA) aluminium；
S2 is prepared：By above-mentioned parts by weight by 5 parts of 15 parts of nano-aluminum phosphate, nano silicon dioxide, the silane after pretreatment
KH5602 parts of coupling agent, 15 parts of nano-titanium dioxide, and M-phthalic acid aluminium mixing prepared by 50 parts of (in terms of dry product) S1 is added
In liquid, it is made into the aqueous solution of 20-30%, while 1/2 dispersant Sodium Polyacrylate is added, stirs 40min, mixing speed is
280r/min is subsequently placed in grinder and grinds 40min；
S3 filtering dryings：Mixed liquor filtering prepared by S2, and 3h is dried to get the powdery paints with resistance at 130 DEG C
Heat ageing modifying agent.
Embodiment 6
A kind of resistant to heat aging modifying agent of powdery paints, consists of the following parts by weight：15 parts of nano aluminium oxide；Aluminate
2 parts of coupling agent；15 parts of nano-titanium dioxide；50 parts of terephthalic acid (TPA) calcium, 0.3 part of dispersant.
The above-mentioned powdery paints preparation method of resistant to heat aging modifying agent, includes the following steps：
The preparation of S1 heat-resistant fillers：It is 1 in molar ratio by calcium hydroxide and terephthalic acid (TPA)：1 ratio is added to certain
In the water of amount, it is made into the solution of 10-20%, 1/2 dispersant polyethylene glycol is added, stirs 100min, mixing speed 300r/
Min, it is 9 to be used in combination calcium hydroxide to adjust final pH, is basically completed for reaction until pH of mixed is unchanged.Calcium hydroxide with to benzene
Dioctyl phthalate reaction generates terephthalic acid (TPA) calcium；
S2 is prepared：By weight, by 15 parts of nano aluminium oxide, 2 parts of Aluminate coupling agent, 15 parts of nano-titanium dioxide,
In the terephthalic acid (TPA) calcium mixed liquor for sequentially adding 50 parts of (in terms of dry product) S1 preparations, it is made into the aqueous solution of 20-30%, is added simultaneously
Enter 1/2 dispersant Sodium Polyacrylate, stir 40min, mixing speed 300r/min is subsequently placed in grinder and grinds
50min,
S3 filtering dryings：Mixed liquor filtering prepared by S2, and 2h is dried to get the powdery paints with resistance at 125 DEG C
Heat ageing modifying agent.
Embodiment 7
A kind of resistant to heat aging modifying agent of powdery paints, consists of the following parts by weight：5 parts of nano zircite；Nano oxygen
Change 5 parts of aluminium, 5 parts of nano silicon dioxide, 2 parts of Aluminate coupling agent；15 parts of nano-titanium dioxide；50 parts of terephthalic acid (TPA) aluminium, point
0.4 part of powder.
The above-mentioned powdery paints preparation method of heat-proof aging modifying agent, includes the following steps：
The preparation of S1 heat-resistant fillers：It is 2 in molar ratio by aluminium hydroxide and terephthalic acid (TPA)：3 ratio is added to certain
In the water of amount, it is made into the solution of 10-20%, 1/2 polyethylene glycol is added, stirs 100min, mixing speed 300r/min, and
It is 9 to adjust final pH with calcium hydroxide, and aluminium hydroxide is reacted with terephthalic acid (TPA) generates terephthalic acid (TPA) aluminium；
S2 is prepared：By weight, by 5 parts of nano aluminium oxide, 5 parts of nano zircite, 5 parts of nano silicon dioxide, aluminic acid
2 parts of ester coupling agent, 15 parts of nano-titanium dioxide sequentially add the terephthalic acid (TPA) aluminium mixed liquor of 50 parts of (in terms of dry product) S1 preparations
In, it is made into the aqueous solution of 20-30%, while 1/2 dispersant Sodium Polyacrylate is added, stirs 50min, mixing speed is
250r/min is subsequently placed in grinder and grinds 50min,
S3 filtering dryings：Mixed liquor filtering prepared by S2, gained filter cake are dried 4h at 140 DEG C and are applied to get the powder
Material heat-proof aging modifying agent.
By after crushing film-forming resin and curing agent, auxiliary agent, color filters etc. by film-forming resin 55%, curing agent 2%,
The mass fraction of filler 30%, heat-proof aging modifying agent 15%, pigment 3%, proportioning mix after through double screw extruder squeeze out,
It is crushed to get to powdery paints with airslide disintegrating mill after tabletting, coarse crushing.
The performance of modifying agent prepared by embodiment 1- embodiments 7 in powdery paints is as shown in table 1, and comparative sample is not add
Add the sample of heat-proof aging modifying agent：
Table 1
Note：
1. aging aberration is tested：After ultraviolet mercury lamp artificial accelerated aging 96h, color change：0 grade (value of chromatism is less than
1.5), 1 grade (value of chromatism 1.6-3.0), 2 grades (value of chromatism 3.1-6.0).
The above is only a preferred embodiment of the present invention, it should be understood that the present invention is not limited to described herein
Form is not to be taken as excluding other embodiments, and can be used for other combinations, modifications, and environments, and can be at this
In the text contemplated scope, modifications can be made through the above teachings or related fields of technology or knowledge.And those skilled in the art institute into
Capable modifications and changes do not depart from the spirit and scope of the present invention, then all should be in the protection domain of appended claims of the present invention
It is interior.
Claims (10)
1. a kind of resistant to heat aging modifying agent of powdery paints, which is characterized in that consist of the following parts by weight：Thermostabilization auxiliary agent
10-20 parts；10-20 parts of light stabilization aid；1-5 parts of surface modifier；30-60 parts of heat-resistant filler；0.1-0.5 parts of dispersant.
2. a kind of resistant to heat aging modifying agent of powdery paints according to claim 1, which is characterized in that by following weight
Part composition：15 parts of thermostabilization auxiliary agent；15 parts of light stabilization aid；2 parts of surface modifier；50 parts of heat-resistant filler, 0.3 part of dispersant.
3. a kind of powdery paints heat-proof aging modifying agent according to claim 1 or 2, which is characterized in that the heat is steady
It is at least one in nano zircite, nano aluminium oxide, Nano zinc dioxide impact-resistant, nano silicon dioxide and nano-aluminum phosphate to determine auxiliary agent
Kind.
4. a kind of powdery paints heat-proof aging modifying agent according to claim 1 or 2, which is characterized in that the surface
Modifying agent is at least one in silane coupling agent, titanate coupling agent, aluminate coupling agent, methacrylate, stearate
Kind.
5. a kind of powdery paints heat-proof aging modifying agent according to claim 1 or 2, which is characterized in that the light is steady
It is nano-titanium dioxide to determine auxiliary agent；The dispersant be Sodium Polyacrylate, polyethylene glycol, cetyl trimethylammonium bromide and/
Or at least one of neopelex.
6. a kind of powdery paints heat-proof aging modifying agent according to claim 1 or 2, which is characterized in that described heat-resisting
Filler be M-phthalic acid aluminium, M-phthalic acid calcium, M-phthalic acid zinc, terephthalic acid (TPA) aluminium, terephthalic acid (TPA) calcium, to benzene two
At least one of zinc formate.
7. a kind of preparation method of claim 1-6 any one of them powdery paints heat-proof aging modifying agent, feature exist
In including the following steps：
The preparation of S1 heat-resistant fillers：Metal hydroxides powder and terephthalic acid powder are pressed 1：The molar ratio of (1-1.5)
It is added to the water, is made into the solution of 10-20%, 1/2 dispersant is added, stir 60-120min, mixing speed 240-
360r/min, it is 8-10 to be used in combination calcium hydroxide to adjust final pH, terminates for reaction until pH of mixed is unchanged, filters, dry
Obtain heat-resistant filler；
S2 is prepared：It counts in parts by weight, 10-20 parts of thermostabilization auxiliary agent, 1-5 parts of surface modifier, 10-20 parts of light stabilization aid,
In the heat-resistant filler for sequentially adding 30-60 parts of S1 preparations, it is made into the aqueous solution of 20-30%, while 1/2 dispersant is added, is stirred
30-60min is mixed, mixing speed 240-360r/min is subsequently placed in grinder and grinds 30-60min；
S3 filtering dryings：Mixed liquor filtering prepared by S2, gained filter cake dry 2-4hr at 120-150 DEG C to get the powder
Coating heat-proof aging modifying agent.
8. a kind of preparation method of powdery paints heat-proof aging modifying agent according to claim 7, which is characterized in that institute
It is at least one of terephthalic acid (TPA) or M-phthalic acid to state phthalic acid in S1 steps.
9. a kind of preparation method of powdery paints heat-proof aging modifying agent according to claim 7, which is characterized in that institute
It is at least one of aluminium hydroxide, zinc hydroxide, calcium hydroxide, wherein metal hydroxide to state metal hydroxides in S1 steps
The mesh of the grain size of object >=200；Dispersant is Sodium Polyacrylate, polyethylene glycol, cetyl trimethyl in S1 the and S2 steps
At least one of ammonium bromide and/or neopelex.
10. a kind of preparation method of powdery paints heat-proof aging modifying agent according to claim 7, which is characterized in that
Modifying agent grain size after being ground in the S2 steps is measured as≤15 μm with laser fineness gage.
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| CN1548481A (en) * | 2003-05-20 | 2004-11-24 | 舟山格兰特种涂料有限公司 | Thermosetting powder paint and its prepn |
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Address after: 224200 No. 9 Weisi Road, Dongtai High-tech Park, Yancheng City, Jiangsu Province Applicant after: KOMET NEW MATERIALS CO., LTD. Address before: 224200 No. 9 Weisi Road, Dongtai High-tech Park, Yancheng City, Jiangsu Province Applicant before: Yancheng comett new materials Co. Ltd. |
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Application publication date: 20180928 |