CN101503582B - Anti-corrosive wear resistant nylon spray finishing powder - Google Patents
Anti-corrosive wear resistant nylon spray finishing powder Download PDFInfo
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- CN101503582B CN101503582B CN2009100679755A CN200910067975A CN101503582B CN 101503582 B CN101503582 B CN 101503582B CN 2009100679755 A CN2009100679755 A CN 2009100679755A CN 200910067975 A CN200910067975 A CN 200910067975A CN 101503582 B CN101503582 B CN 101503582B
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Abstract
The invention discloses a corrosion protection abrasionproof nylon spray painting powder. The powder comprises the following components by weight portion: 100 to 120 portions of copolymerized nylon 170, 40 to 100 portions of copolymerized nylon 130, 5 to 7 portions of composite epoxy nylon powder, 12 to 18 portions of polar silicon micropowder, 1.5 to 2.5 portions of polyvinyl butyral, and 1.5 to 2.2 portions of levelling agent. The powder can replace the imported the nylon powder of nylon 11. The powder takes two home-made copolymerized nylons as a main body into which the epoxy powder and acuring agent, cast stone powder, mica powder, polyvinyl butyral and a pigment are added. The raw materials are mixed and crushed, and then are crushed again and sieved to obtain the composite powder after recombination. The properties of the powder are equal to those of the nylon 11, while the properties of the powder are slightly above those of the nylon 11. The powder can be applied to a butterfly valve coating which is painted on the inner wall of an oil gas cylinder instead of the nylon 11 and brings about high abrasion resistance, good lubrication and convenient machine processing. The powder has low melting point, easy operation and reduced cost.
Description
Technical field
The present invention relates to a kind of nylon spray finishing powder, especially a kind of anti-corrosive wear resistant nylon spray finishing powder.
Background technology
At present, the coating of butterfly valve seal face adopts the Ni Long11 of import to be coated in its surface usually, plays anticorrosion, attrition resistant effect.The good mechanical properties of Ni Long11, chemical resistance is strong, and still, its fusing point is higher at 186 ℃, and because temperature is high, leveling characteristics is not enough, and coating thickness is difficult to 1.5mm.Owing to be imported product, price is higher.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of fusing point low, and is high with metal bonding intensity, and the anti-corrosive wear resistant nylon spray finishing powder that leveling characteristics increases and machinability is good.
In order to solve the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of anti-corrosive wear resistant nylon spray finishing powder, and the ratio of weight and number of this each component of powder is following:
Copolymer nylon 170 100-120
Copolymer nylon 130 40-100
Composite epoxy nylon powder 5-7
Polarity silicon powder 12-18
Polyvinyl butyral acetal 1.5-2.5
Flow agent 1.5-2.2
Said composite epoxy nylon powder is: by weight umber epoxy E12:100 part; Dyhard RU 100: 3.9 parts; Polyvinyl butyral acetal: 8 parts; Nylon 170:5～6 part; Granularity is 325 purpose mica powders: 16 parts; Granularity is 325 purpose silica powders: 75 parts; Granularity is 325 purpose glass-cermic powders: 16 parts, batching is pulverized in proportion, pulverizes after the mixing from kibbler, to cross 80 mesh sieves and go out again.
Also having parts by weight is the glossing agent of 1.5-2.2 part.
Account for the pigment of gross weight 0.03%-0.06% in addition.
The parts by weight of the best of this each component of powder are copolymer nylon 170:100 part; Copolymer nylon 130:50 part; Composite epoxy nylon powder: 6 parts; Polarity silicon powder: 15 parts; Polyvinyl butyral acetal: 2 parts; Flow agent: 2 parts; 1.5 parts of glossing agents; Pigment: 0.06% of gross weight.
The size range of obtained powder is the 80-325 order.
The invention has the beneficial effects as follows: anti-corrosive wear resistant nylon spray finishing powder of the present invention all increases with aspects such as metal bonding intensity and leveling characteristicies under the same process situation than the Ni Long11 of import; Fusing point also is lower than the fusing point of Ni Long11; Machinability is good, and cost is low.
Embodiment
Below in conjunction with specific embodiment the present invention is done further explain:
Anti-corrosive wear resistant nylon spray finishing powder of the present invention, the ratio of weight and number of this each component of powder is following:
Copolymer nylon 170 100-120
Copolymer nylon 130 40-100
Composite epoxy nylon powder 5-7
Polarity silicon powder 12-18
Polyvinyl butyral acetal 1.5-2.5
Flow agent 1.5-2.2
Said composite epoxy nylon powder is: by weight umber epoxy E12:100 part; Dyhard RU 100: 3.9 parts; Polyvinyl butyral acetal: 8 parts; Nylon 170:5～6 part; Granularity is 325 purpose mica powders: 16 parts; Granularity is 325 purpose silica powders: 75 parts; Granularity is 325 purpose glass-cermic powders: 16 parts, batching is pulverized in proportion, pulverizes after the mixing from kibbler, to cross 80 mesh sieves and go out again.
Also having parts by weight is the glossing agent of 1.5-2.2 part.
Account for the pigment of gross weight 0.03%-0.06% in addition.
The parts by weight of the best of this each component of powder are copolymer nylon 170:100 part; Copolymer nylon 130:50 part; Composite epoxy nylon powder: 6 parts; Polarity silicon powder: 15 parts; Polyvinyl butyral acetal: 2 parts; Flow agent: 2 parts; 1.5 parts of glossing agents; Pigment: 0.06% of gross weight.
The size range of obtained powder is the 80-325 order.
Said flow agent is for being the acrylic acid esters co-polymer of carrier with the E-12 epoxy powder, the Xsl-1000 that Shuan Shui new-type chemical plant in Guangdong produces, xsl-2000.
Cured type of pattern of adding lustre to of tradition before said glossing agent changes is by the good plastics special efficacy glossing agent of answering the supply of plastic material company in Shanghai.
Said pigment is: phthalein is blue or green blue, and phthalein is dark green, medium chrome yellow medium yellow, and iron oxide red, white titanium pigment, carbon black can be allocated on demand.
The preparation of embodiment 1 composite epoxy nylon powder
Get epoxy E12:100g; Dyhard RU 100: 3.9g; Polyvinyl butyral acetal: 8g; Nylon 170:5～6g; Granularity is 325 purpose mica powder: 16g; Granularity is 325 purpose silica powder: 75g; Granularity is 325 purpose glass-cermic powder: 16g, pulverizes, and pulverizes after the mixing from kibbler, to cross 80 mesh sieves and go out again.
Embodiment 2
Prescription is nylon 170:100g; Nylon 130:40g; Composite nylon powder: 6g; Polarity silicon powder: 15g; Polyvinyl butyral acetal: 2g; Above-mentioned flow agent: 2g; Above-mentioned glossing agent: 1.5g; Above-mentioned pigment: 0.01g.
Concrete preparation method: stir in mixing machine by prescription, pulverized 80 mesh sieves at kibbler then and go out.
Coating method: with the valve plate degreasing, the Sa3 grade standard is pressed in sandblast, is heated to 220C-250C, and to desired thickness, water or air cooling to normal temperature but can with static or hot fusion method coated.
Be used for coated butterfly valve seal face, instead is electroplated or the import powder coating.The various bore valve plates of coated have reached tens thousand of, and not only corrosion-resistant but also wear-resistant, cost is also low.Application units do not have bad feedback report.
Embodiment 3
Prescription is nylon 170:100g; Nylon 130:100g; Composite nylon powder: 6g; Polarity silicon powder: 15g; Polyvinyl butyral acetal: 2g; Above-mentioned flow agent: 2g; Above-mentioned glossing agent: 1.5g; Above-mentioned pigment: 0.07g.
The preparation method is with embodiment 2, and coating method is also with embodiment 2, and coating method is with embodiment 2, and thick layer can be heated to 250-260C with aluminium alloy cylinder.
Be used for coated doughnut applying hub inwall; Diameter does not wait from 30-80cm; Reached more than 300, coat-thickness can arrive 1.5-2.0mm, can reprocess size; Be the integral part that the Tianjin match resembles company's radial equipment exported product, in the moving wearing and tearing of antiskid, work, keep sealing all to be superior to former stainless steel lined.And can't reach above-mentioned target with Ni Long11.
Anti-corrosive wear resistant nylon spray finishing powder of the present invention all increases with aspects such as metal bonding intensity and leveling characteristicies under the same process situation than the Ni Long11 of import, and fusing point also is lower than the fusing point of Ni Long11, and machinability is good.
The present invention overcomes higher and also higher this problem of cost of Ni Long11 fusing point; Nylon spray finishing powder of the present invention is not only close with Ni Long11 on performance; The performance that has even surpassed the performance of Ni Long11; See the following form in cohesive strength, shearing resistance, shock strength contrast with the Ni Long11 powder, cost is also morely low than Ni Long11.
The performance comparison table
The present invention selects lower-cost a series of copolymer nylon and additive and filler auxiliary agent for use, makes the level that its mechanical property and chemical resistance property reach is enough to replace Ni Long11.Selecting 2 kinds of prices for use is matrix resin far below the homemade copolymer nylon of Ni Long11, and 130-180 ℃ of its fusing point is for mechanical property and the erosion resistance that makes copolymer nylon can both be close with Ni Long11; Selecting polyvinyl butyral acetal for use is to improve over-all properties; Select flow agent for use, the surface tension of fused powder coating is reduced, smear and obtain levelling rapidly; Flow agent is to smooth smooth, and filming of no shrinkage cavity plays a decisive role.Selecting the polarity silicon powder for use is the wear resistance that wear resistant filler has increased powder coating.The surface luster of selecting for use the brightener increase to smear.It is painted to select for use required pigment to be that powder carries out.Having added the composite epoxy nylon powder that contains epoxy and solidifying agent and mica, glass-cermic powder filler increases its cohesiveness and corrosion and wear performance.
The fusing point of powder of the present invention is lower than the fusing point of Ni Long11, and operation and cost are lower more easily, and practical application is more than 4 years, and tens thousand of butterfly valve seal faces of coated do not have bad feedback, satisfy working condition requirement.More be of value to and promote the use of.Be used for oil gas cylinder-doughnut applying hub inside coating, thickness can surmount 1.5mm, sprayed more than 300, and maximum diameter 0,8M, effect meets the demands, and machinability is superior, and wear-resistant, sealing, oilness are outstanding.It is can be in anticorrosion, wear-resisting and oily, the cylinder inner wall erosion resistant and lubricated effect nylon powder of butterfly valve seal face
In sum, content of the present invention is not confined in the above embodiments, and the knowledgeable people in the same area can propose other embodiment easily within technical director's thought of the present invention, but this embodiment is included within the scope of the present invention.
Claims (5)
1. an anti-corrosive wear resistant nylon spray finishing powder is characterized in that, the ratio of weight and number of this each component of powder is following:
Copolymer nylon 170 100-120
Copolymer nylon 130 40-100
Composite epoxy nylon powder 5-7
Polarity silicon powder 12-18
Polyvinyl butyral acetal 1.5-2.5
Flow agent 1.5-2.2
Said composite epoxy nylon powder is: by weight umber epoxy E12:100 part; Dyhard RU 100: 3.9 parts; Polyvinyl butyral acetal: 8 parts; Copolymer nylon 170:5～6 part; Granularity is 325 purpose mica powders: 16 parts; Granularity is 325 purpose silica powders: 75 parts; Granularity is 325 purpose glass-cermic powders: 16 parts, batching is pulverized in proportion, pulverizes after the mixing from kibbler, to cross 80 mesh sieves and go out again.
2. anti-corrosive wear resistant nylon spray finishing powder according to claim 1 is characterized in that, also having parts by weight is the glossing agent of 1.5-2.2 part.
3. anti-corrosive wear resistant nylon spray finishing powder according to claim 2 is characterized in that, accounts for the pigment of gross weight 0.03%-0.06% in addition.
4. anti-corrosive wear resistant nylon spray finishing powder according to claim 3 is characterized in that, the parts by weight of this each component of powder are copolymer nylon 170:100 part; Copolymer nylon 130:50 part; Composite epoxy nylon powder: 6 parts; Polarity silicon powder: 15 parts; Polyvinyl butyral acetal: 2 parts; Flow agent: 2 parts; 1.5 parts of glossing agents; Pigment: 0.06% of gross weight.
5. anti-corrosive wear resistant nylon spray finishing powder according to claim 1 is characterized in that, the size range of prepared nylon spray finishing powder is the 80-325 order.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100679755A CN101503582B (en) | 2009-02-27 | 2009-02-27 | Anti-corrosive wear resistant nylon spray finishing powder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100679755A CN101503582B (en) | 2009-02-27 | 2009-02-27 | Anti-corrosive wear resistant nylon spray finishing powder |
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| Publication Number | Publication Date |
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| CN101503582A CN101503582A (en) | 2009-08-12 |
| CN101503582B true CN101503582B (en) | 2012-04-18 |
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| CN2009100679755A Expired - Fee Related CN101503582B (en) | 2009-02-27 | 2009-02-27 | Anti-corrosive wear resistant nylon spray finishing powder |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104624326A (en) * | 2014-12-24 | 2015-05-20 | 常熟市首誉机械有限公司 | Metal shredding device |
| CN111675951A (en) * | 2020-06-18 | 2020-09-18 | 山西省水利水电科学研究院 | Anti-wear coating for flow passage component of hydraulic machine and preparation and coating methods thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1283246A1 (en) * | 2001-07-31 | 2003-02-12 | Sigma Coatings S.A. | Polyamide based powder compositions, methods for their preparation and their use in coil coating |
| CN1483778A (en) * | 2003-07-01 | 2004-03-24 | 郑州大学 | Corrosion-resisting wear-resisting powder coating for metal |
| WO2008060405A2 (en) * | 2006-11-09 | 2008-05-22 | Xiom Corporation | Epoxy and thermoplastic powdered thermal spray compositions |
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- 2009-02-27 CN CN2009100679755A patent/CN101503582B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1283246A1 (en) * | 2001-07-31 | 2003-02-12 | Sigma Coatings S.A. | Polyamide based powder compositions, methods for their preparation and their use in coil coating |
| CN1483778A (en) * | 2003-07-01 | 2004-03-24 | 郑州大学 | Corrosion-resisting wear-resisting powder coating for metal |
| WO2008060405A2 (en) * | 2006-11-09 | 2008-05-22 | Xiom Corporation | Epoxy and thermoplastic powdered thermal spray compositions |
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| CN101503582A (en) | 2009-08-12 |
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