CN103131276A - Nonstick paint and preparation method thereof - Google Patents
Nonstick paint and preparation method thereof Download PDFInfo
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- CN103131276A CN103131276A CN 201110373865 CN201110373865A CN103131276A CN 103131276 A CN103131276 A CN 103131276A CN 201110373865 CN201110373865 CN 201110373865 CN 201110373865 A CN201110373865 A CN 201110373865A CN 103131276 A CN103131276 A CN 103131276A
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Abstract
The invention relates to nonstick paint which comprises 40-70 parts of polytetrafluoroethylene, 10-30 parts of solvent gasoline, 1-5 parts of alkyd resins, 1-5 parts of a surfactant, and 20-40 parts of a wear resistant filling material. The nonstick paint of the invention has good outdoor durability, good isolation, high hardness, good glossiness, beautiful paint films, convenient application, and a long service life of up to 5-6 years, can prevent illegal advertisement pasting, has good scribbling effect, can save manpower, material resources, and financial resources, is suitable for popularization and application, and has simple production process and low production cost.
Description
Technical field
The invention belongs to coating and technical field of producing thereof, relate to a kind of non-viscous paint and preparation method thereof.
Background technology
Non-viscous paint be a kind of coatingsurface be difficult for being adhered to by other viscous substances or adhere after the speciality coating that easily is removed.This kind coating can extremely low, the non-stick property characteristics such as frictional coefficient is little, easy slip because of the surface of its coating that forms, and are widely used in the industries such as household electrical appliance, cooking utensils, automobile, machinery, chemical industry.The medium of pressing coating is different from state, and non-viscous paint can be divided into water-based, solvent borne and powdery etc.Aqueous non-viscous paint is because contained organic solvent is few, and security is good, and environmental pollution is little, and is therefore the most popular with users, and output is also maximum.Non-viscous paint increases in the speed of global demand with every year 20%～25% in recent years.
Non-viscous paint be a kind of coatingsurface be difficult for being adhered to by other viscous substances or adhere after the speciality coating that easily is removed.This kind coating can extremely low, the non-stick property characteristics such as frictional coefficient is little, easy slip because of the surface of its coating that forms, and are widely used in the industries such as household electrical appliance, cooking utensils, automobile, machinery, chemical industry.From du pont company in 1938 is succeeded in developing tetrafluoroethylene (PTFE) non-viscous paint, develop again PVDF (polyvinylidene fluoride resin) resin fluorine coating for building to the sixties in 20th century, the eighties in 20th century, Japan developed the fluorine resin with functional group.Fluorine paint development more than 60 year has experienced hot-melting type, cold cross-linking curing, three developmental stage of aq. type.Fluoro-resin and the fluorine coating industry of three kinds of different purposes have been formed in the world at present, the first is the hot-melting type fluorine coating teflon non-stick coating take du pont company as representative, be mainly used in non-stick pan, Non-sticking tableware and the aspect such as sticking mould not, this series products has two kinds of solvent borne and water-baseds, more to the dispute of Teflon non-viscous paint in the world at present, generally believe that coating still contains the Perfluorocaprylic Acid salt compound after high temperature sintering, and this compound there is carcinogenesis to human body; The second be PVDF (polyvinylidene fluoride resin) resin produced take U.S.'s atropic-Fei Na company as main component building fluorine coating, have superpower weathering resistance, be mainly used in Aluminum curtain wall plate; The third is outdoor normal temperature solidifying fluorine-carbon coating-vinyl fluoride and hydroxyl vinyl ether co-polymer (FEVE fluorine coating) take Japan AGC as representative, is mainly used in bridge, TV tower etc. and is difficult to the fields such as the pylon of often construction is anticorrosion.
It is different from state that non-viscous paint is pressed the medium of coating, can be divided into the types such as water-based, solvent-borne type and powder.Aqueous non-viscous paint is not owing to containing organic solvent, and security is good, and environmental pollution is little, therefore receives an acclaim.Along with the reinforcement of people's environmental consciousness, water-borne coatings will become one of main product of 21 century, and therefore, water-based fluororesin coating has become the focus of current coating research.Aqueous non-viscous paint more and more causes coating R﹠D worker's extensive concern as a kind of environment-friendly type speciality coating practical, with high content of technology.At present, developed multiple water-based anti-sticking wear resistant paint abroad, the exploitation that China is engaged in the fluoro-resin application of paint starts from early 1980s, the history of existing more than 20 year.The initial stage slower development mainly is subjected to the restriction of the aspects such as technology, technique, price.The tempo of China's fluorocarbon coating was obviously accelerated in recent years, mainly comprised take the fluorocarbon coating Baking Paint as main industrial paint spraying market with take the normal temperature cured type two-component fluorine coating material as main external wall, construction steel structure market.At present, the research and development of China's non-viscous paint also are in the starting stage, and product also seldom can't satisfy the demands far away.
Summary of the invention
Technical scheme of the present invention is as follows:
A kind of non-viscous paint is characterized in that, this coating is comprised of the raw material of following parts by weight:
Non-viscous paint of the present invention, tensio-active agent wherein are DP-518 dispersion agent, DC-3AD modified polyorganosiloxane or Z-6070 alkyl silane; Wear resistant filler is silica powder or talcum powder.
Non-viscous paint of the present invention, wherein the modified Teflon water-based resin is comprised of the raw material of following parts by weight:
Non-viscous paint of the present invention, acrylic water-based resin wherein is comprised of the raw material of following parts by weight:
Tensio-active agent of the present invention is DP-518 dispersion agent, DC-3AD modified polyorganosiloxane or Z-6070 alkyl silane; Preferred DC-3AD modified polyorganosiloxane.
Wear resistant filler of the present invention is silica powder or talcum powder.
With tensio-active agent, high-temperature resisting pigment, wear resistant filler mixing and stirring, be ground to the fineness of requirement, add modified Teflon water-based resin, fluoride additive and other auxiliary agent, stir and transfer evenly, adjusting viscosity filters and packages.
Wherein said initiator is dibenzoyl peroxide, two t-amyl peroxy things, ditertiary butyl peroxide or ammonium persulfate; Described solvent is: dimethylbenzene or N-BUTYL ACETATE; Described tensio-active agent is DP-518 dispersion agent, DC-3AD modified polyorganosiloxane or Z-6070 alkyl silane.
Described high-temperature resisting pigment is that enamel is black, carbon black, pearlescence or aluminium powder; Described wear resistant filler is silica powder or talcum powder; Described fluoro-resin additive is F8216 silicon fluoride, DC-27AD modified polyorganosiloxane polymkeric substance or DC-51AD polysiloxane;
Synolac of the present invention:
(1) drying oil alkyd resin: by the Synolac of high unsaturated fatty acid or oil and fat preparation, can be from doing or oven drying at low temperature, solvent is with No. 200 solvent oils.Such Synolac is by oxidation cross-linked drying and forming-film, and in a sense, the Synolac of oxidation drying also can be described as a kind of siccative oil of modification.The drying of siccative oil paint film needs for a long time, and reason is that their relative molecular mass is lower, needs polystep reaction could form crosslinked macromole.Synolac is equivalent to the oil of " macromole ", only needs a little cross-linking set, can make drying varniss, and paint film property also far surpasses the siccative oil paint film certainly.
(2) non-drying oil alkyd resin: film forming in air separately, belong to non-oxide drying and forming-film, be mainly to make softening agent and polyhydroxylated polymer (oil).Can prepare baking finish or prepare the two-pack self-drying paint with polyisocyanate curing agent with aminoresin during as hydroxy component.
(3) semi-drying oil Synolac: performance is between siccative oil, non-drying oil alkyd resin performance.
Described fineness refers to the highest particle diameter U of granules of pigments in mill base≤20 μ m.
Non-viscous paint characteristic of the present invention:
1, good anti-steam performance
2, heat-resisting
3, good viscosity not for a long time
4, good erosion resistance, resistance to salt water
5, splendid wear resistance
Color: black silver (can provide not contain PFOA, and the coating of suitable static or roller coating equipment use)
Food regulations: FDA, RoHS, LFGB, REACH.
Embodiment
For simple and purpose clearly, hereinafter appropriate omission the description of known technology, in order to avoid those unnecessary details impacts are to the description of the technical program.
Embodiment 1
Embodiment 2
Embodiment 3
Application example:
With non-viscous paint of the present invention (embodiment 1,2 is prepared), adopt known method, be applied to electric cooker internal surface or electromagnetic cooker surperficial, then carry out following coating performance test:
1, viscosity not: nearly all material is not filmed bonding with Teflon.Very thin film also demonstrates well not adhesion property.(not stickness paint, non-viscous paint)
2, thermotolerance: Teflon is filmed and is had good heat-resisting and low temperature tolerance characteristics.Short period of time can be high temperature resistant to 300 ℃, generally can use continuously between 240 ℃～260 ℃, has aobvious thermostability, and it can be worked and not embrittlement under freezing temp, does not at high temperature melt.
3, sliding: the Teflon lower frictional coefficient of filming.When load is slided, frictional coefficient changes, and numerical value is only between 0.05-0.15.
4, moisture resistance: the Teflon film coated surface does not get wet and oil, also is difficult for being stained with solution during production operation, as is stained with a small amount of dirt, and simple wiping can be removed.Stop time is short, saves man-hour and can increase work efficiency.
5, wearability: under high capacity, have good wear resisting property.Under certain load, possesses wear-resistant and inadhesive two-fold advantage.
6, erosion resistance: Teflon is corroded by medicine hardly, can protect part to avoid suffering the chemical corrosion of any kind.
7, safety performance: because the solid constituent of this coating is nontoxic, do not contain ammonium perfluorocaprylate, form technique reasonable, so coating is nontoxic, is widely used in cooker, medicine, food product containers etc.
Claims (4)
1. a non-viscous paint, is characterized in that, this coating is comprised of the raw material of following parts by weight:
2. non-viscous paint as claimed in claim 1, tensio-active agent wherein is DP-518 dispersion agent, DC-3AD modified polyorganosiloxane or Z-6070 alkyl silane; Wear resistant filler is silica powder or talcum powder.
3. non-viscous paint as claimed in claim 1, wherein the modified Teflon water-based resin is comprised of the raw material of following parts by weight:
4. non-viscous paint as claimed in claim 4, acrylic water-based resin wherein is comprised of the raw material of following parts by weight:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110373865 CN103131276A (en) | 2011-11-23 | 2011-11-23 | Nonstick paint and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110373865 CN103131276A (en) | 2011-11-23 | 2011-11-23 | Nonstick paint and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103131276A true CN103131276A (en) | 2013-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110373865 Pending CN103131276A (en) | 2011-11-23 | 2011-11-23 | Nonstick paint and preparation method thereof |
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| CN (1) | CN103131276A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103756461A (en) * | 2014-01-22 | 2014-04-30 | 苏州新区特氟龙塑料制品厂 | Teflon paint formula |
| CN104119739A (en) * | 2014-06-26 | 2014-10-29 | 苏州市盛百威包装设备有限公司 | Packaging equipment paint and preparation method thereof |
| CN105348949A (en) * | 2015-11-30 | 2016-02-24 | 无锡大塘复合材料有限公司 | Water-based non-sticky paint and application thereof |
| CN111944365A (en) * | 2020-07-29 | 2020-11-17 | 北京擎科生物科技有限公司 | Corrosion-resistant coating film and preparation method and application thereof |
-
2011
- 2011-11-23 CN CN 201110373865 patent/CN103131276A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103756461A (en) * | 2014-01-22 | 2014-04-30 | 苏州新区特氟龙塑料制品厂 | Teflon paint formula |
| CN104119739A (en) * | 2014-06-26 | 2014-10-29 | 苏州市盛百威包装设备有限公司 | Packaging equipment paint and preparation method thereof |
| CN105348949A (en) * | 2015-11-30 | 2016-02-24 | 无锡大塘复合材料有限公司 | Water-based non-sticky paint and application thereof |
| CN111944365A (en) * | 2020-07-29 | 2020-11-17 | 北京擎科生物科技有限公司 | Corrosion-resistant coating film and preparation method and application thereof |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130605 |