CN108587402A - A kind of tapping screw - Google Patents

A kind of tapping screw Download PDF

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Publication number
CN108587402A
CN108587402A CN201810466436.8A CN201810466436A CN108587402A CN 108587402 A CN108587402 A CN 108587402A CN 201810466436 A CN201810466436 A CN 201810466436A CN 108587402 A CN108587402 A CN 108587402A
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CN
China
Prior art keywords
wear
resistant coating
parts
polyurethane
epoxy resin
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810466436.8A
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Chinese (zh)
Inventor
郝建强
骆静琪
骆宇杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xiamen New Shanghai Xiamen Hardware Industry And Trade Co Ltd
Original Assignee
Xiamen New Shanghai Xiamen Hardware Industry And Trade Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xiamen New Shanghai Xiamen Hardware Industry And Trade Co Ltd filed Critical Xiamen New Shanghai Xiamen Hardware Industry And Trade Co Ltd
Priority to CN201810466436.8A priority Critical patent/CN108587402A/en
Publication of CN108587402A publication Critical patent/CN108587402A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D163/00Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D175/00Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04Polyurethanes
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/61Additives non-macromolecular inorganic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/63Additives non-macromolecular organic
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B25/00Screws that cut thread in the body into which they are screwed, e.g. wood screws
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2296Oxides; Hydroxides of metals of zinc
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/011Nanostructured additives
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/04Polymer mixtures characterised by other features containing interpenetrating networks

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Paints Or Removers (AREA)

Abstract

The invention discloses a kind of tapping screw, including screw body, the outer surface of screw body is coated with wear-resistant coating, counts in parts by weight, wear-resistant coating raw material includes following components, 30 60 parts of micro- part of silicon;10 20 parts of epoxy resin;26 parts of curing agent;10 20 parts of polyurethane.Wear-resistant coating can improve rub proofness under the premise of not reducing process equipment service life outside screw body, and twisting slot is avoided to be screwed flower.Polyurethane has higher mechanical strength so that wear-resistant coating has excellent wearability.Epoxy resin has very high intensity, polyurethane has very high toughness and rub resistance, epoxy resin and polyurethane can form interpenetrating polymer networks so that the advantages of the two be combined with each other and has the function of synergy, ensure that the wear-resisting property of wear-resistant coating.Silicon powder can eliminate the internal stress of wear-resistant coating after hardening, prevent cracking from further improving the wear-resisting property of wear-resistant coating.

Description

A kind of tapping screw
Technical field
The present invention relates to a kind of fasteners, more particularly, to a kind of tapping screw.
Background technology
Tapping screw or fast tooth screw are a kind of fast-assembling fasteners, generally include nut and screw rod, are offered on nut Twisting slot.
In the prior art, in order to improve the production efficiency and yield of tapping screw, tapping screw is usually integrally machined molding, Its process is:Round steel (cold-)drawn (steel)wire, heading machine are washed into base, and thread rolling machine rubs screw thread, and heat-treated stream waterline carries out carburizing, quenches Fire, tempering carry out phosphatization or nigrescence from now on.
To save production cost, and the service life of raising process line, the material selection of tapping screw is usually not Can be especially hard, therefore during routine use, often will appear user of service and the twisting slot on nut is twisted into flower, and lead The problem of causing tapping screw that can not be dismantled and be difficult to reuse, has much room for improvement.
Invention content
In view of the deficiencies of the prior art, the present invention intends to provide a kind of tapping screw, can not reduce Under the premise of the service life of process line, the rub proofness of tapping screw is improved, and then twisting slot is avoided to be screwed flower.
To achieve the above object, the present invention provides following technical solutions:
The outer surface of a kind of tapping screw, including screw body, the screw body is coated with wear-resistant coating, by weight Number meter, the wear-resistant coating raw material includes following components, micro- part 30-60 parts of silicon;10-20 parts of epoxy resin;2-6 parts of curing agent; 10-20 parts of polyurethane.
It can not reduced by the outer surface wear-resistant coating in screw body by using above-mentioned technical proposal Under the premise of the service life of process line, the rub proofness of tapping screw is improved, and then twisting slot is avoided to be screwed flower.
Since the group contained in polyurethane macromolecular is all highly polar group, and also contain polyethers or poly- in macromolecular Ester soft segment so that polyurethane has higher mechanical strength, oxidation stability, has higher flexibility and resilience, With excellent oil resistivity, solvent resistance, water resistance and fire resistance.Using polyurethane as the raw material of wear-resistant coating so that wear-resisting Coating has excellent wearability, caking property, glossiness height.
Epoxy resin as a kind of thermosetting resin there are many excellent performances, such as easy solidification high mechanical strength, to glue Attached power is strong, molding shrinkage is low, chemical stability is good etc., further improves the wearability of wear-resistant coating and in screw body On adhesiving effect, by curing agent to the solidification of epoxy resin so that wear-resistant coating can be in corresponding heating condition Under be cured.
Epoxy resin has very high intensity and corrosion resistance, and polyurethane has very high toughness and rub resistance, ring Oxygen resin and polyurethane can mutually run through, tangling forms interpenetrating polymer networks so that the advantages of the two be combined with each other and has There is synergy, while the mixture homogeneity between epoxy resin and polyurethane can also be improved, ensure that wear-resisting painting The wear-resisting property of layer.
Silicon powder is a kind of inorganic non-metallic material being process through multiple tracks technique by natural quartz or vitreous silica, tool There is the advantages of high temperature resistant, high-insulativity, high rigidity, low heat expansion.Filler in using silicon powder as wear-resistant coating, can not only The cost of material is enough reduced, and the internal stress of wear-resistant coating after hardening can be eliminated, prevents from cracking, and the size of silicon powder is Micron order is conducive to its distribution in wear-resistant coating, and then further improves the wear-resisting property of wear-resistant coating.
The present invention is further arranged to:It counts in parts by weight, the wear-resistant coating raw material includes following components, the micro- part of silicon 35-45 parts;12-18 parts of epoxy resin;3-5 parts of curing agent;13-18 parts of polyurethane.
The present invention is further arranged to:The screw body includes screw rod and nut, and the upper surface of the nut offers Twisting slot, the upper surface of the wear-resistant coating covering nut and the inner wall of twisting slot.
By using above-mentioned technical proposal, by the way that wear-resistant coating is coated in upper surface and the twisting slot of nut Wall can effectively improve the service life of twisting slot, avoid twisting slot from being screwed flower, and carried out compared on entire screw body Coating has higher production efficiency.
The present invention is further arranged to:It counts in parts by weight, the wear-resistant coating raw material includes three ethoxy of 3- aminopropyls 3-5 parts of base silane.
By using above-mentioned technical proposal, silicon powder due to its excellent mechanical property and surface property and with for filler, But a large amount of active silicone hydroxyl is contained on its surface, makes silicon powder surface that hydrophilic and oleophobic characteristic be presented, the boundary between high polymer Face compatibility and amalgamation are poor, are not easy to achieve the desired results.Water occurs for the ethyoxyl in 3-aminopropyltriethoxysilane Solution forms polyhydroxy silanol, and then with the hydroxyl condensation on silicon powder surface, the 3- amino in 3-aminopropyltriethoxysilane Third class group can tangle and be combined as a whole with the high polymer long chain in epoxy resin-polyurethane interpenetrating system, and then improve Compatibility between silicon powder and epoxy resin-polyurethane interpenetrating system, to improve the wear-resisting property of wear-resistant coating.
The present invention is further arranged to:The curing agent is set as lauryl carboxymethyl sodium form imidazoline acetate.
By using above-mentioned technical proposal, lauryl carboxymethyl sodium form imidazoline acetate can not only be used as epoxy resin Curing agent, also there is certain emulsifying capacity, can improve the mixture homogeneity of epoxy resin and polyurethane, both promote shape At interpenetrating network system, while can also further improve compatible between silicon powder and epoxy resin-polyurethane interpenetrating system Property, and then further increase the wear-resisting property of wear-resistant coating.
The present invention is further arranged to:It counts in parts by weight, the wear-resistant coating raw material includes 2-4 parts of zinc oxide.
By using above-mentioned technical proposal, zinc oxide disperse has moved object in wear-resistant coating to polyurethane molecular segment Manage crosslinked action so that the effect of contraction enhancing that the movement of polyurethane molecular segment is subject under external force, wear-resistant coating Yield strength increases.
The present invention is further arranged to:The zinc oxide is set as nano zine oxide.
By using above-mentioned technical proposal, nano zine oxide is due to the imperceptibility of crystal grain, Electronic Structure and crystal Structure changes, and produces skin effect, bulk effect, quantum size effect and macroscopical tunnel-effect that portion of macroscopical institute has And the features such as polymolecularity, there is higher activity.Due to heterogeneous nucleating effect, nano zine oxide makes crystalline polyurethane degree carry Height, crystallite dimension decline, and then the internal structure of wear-resistant coating is caused more to be stablized, and have higher structural strength, to Further increase the wear-resisting property of wear-resistant coating.
In conclusion the invention has the advantages that:
1., can be in the service life for not reducing process line by the outer surface wear-resistant coating in screw body Under the premise of, the rub proofness of tapping screw is improved, and then twisting slot is avoided to be screwed flower;
2. epoxy resin has very high intensity and corrosion resistance, and polyurethane has very high toughness and rub resistance, Epoxy resin and polyurethane can mutually run through, tangling forms interpenetrating polymer networks so that the advantages of the two be combined with each other and Have the function of synergy, while the mixture homogeneity between epoxy resin and polyurethane can also be improved, ensure that wear-resisting The wear-resisting property of coating;
3. the filler in using silicon powder as wear-resistant coating can not only reduce the cost of material, and can improve wear-resisting The internal stress of coating after hardening, prevents from cracking, and 3-aminopropyltriethoxysilane being capable of silicon powder and the poly- ammonia of epoxy resin- Compatibility between ester interpenetrating system, to improve the wear-resisting property of wear-resistant coating;
4. lauryl carboxymethyl sodium form imidazoline acetate can not only also have certain as the curing agent of epoxy resin Emulsifying capacity, can improve the mixture homogeneity of epoxy resin and polyurethane, both promote to form interpenetrating network system, simultaneously The compatibility between silicon powder and epoxy resin-polyurethane interpenetrating system can also further be improved, and then further increased resistance to Grind the wear-resisting property of coating.
Description of the drawings
Fig. 1 is the structural schematic diagram of embodiment 1-6 and comparative example 1-4.
Reference sign:1, screw body;11, screw rod;12, nut;121, twisting slot.
Specific implementation mode
Embodiment 1, a kind of tapping screw, as shown in Figure 1, including screw body 1.Screw body 1 includes screw rod 11 and spiral shell The upper surface of cap 12, nut 12 offers twisting slot 121, the twisting slot 121 can be cross, "-" type, interior hexangle type or It is quincunx etc..It is coated with wear-resistant coating on the upper surface of nut 12 and the inner wall of twisting slot 121, counts in parts by weight, it is wear-resisting The raw material components of coating are as shown in table 1.The preparation of wear-resistant coating includes the following steps:
Step 1, epoxy resin, polyurethane are added in reaction kettle, stir evenly acquisition matrix;
Step 2, silicon powder and nano zine oxide are added in matrix, stir evenly and obtains masterbatch;
Step 3, masterbatch is added in 3-aminopropyltriethoxysilane and lauryl carboxymethyl sodium form imidazoline acetate In, stir evenly acquisition wear-resistant paint;
Step 4, wear-resistant paint is coated on screw body 1, is heating and curing to form wear-resistant coating.
Embodiment 2, difference from example 1 is that, it counts in parts by weight, the raw material components such as table 1 of wear-resistant coating It is shown.
Embodiment 3, difference from example 1 is that, it counts in parts by weight, the raw material components such as table 1 of wear-resistant coating It is shown.The preparation of wear-resistant coating includes the following steps:
Step 1, epoxy resin, polyurethane are added in reaction kettle, stir evenly acquisition matrix;
Step 2, silicon powder and nano zine oxide are added in matrix, stir evenly and obtains masterbatch;
Step 3, lauryl carboxymethyl sodium form imidazoline acetate is added in masterbatch, stirs evenly acquisition wear-resistant paint;
Step 4, wear-resistant paint is coated on screw body 1, is heating and curing to form wear-resistant coating.
Embodiment 4 the difference is that, is counted in parts by weight with embodiment 3, the raw material components such as table 1 of wear-resistant coating It is shown.
Embodiment 5, difference from example 1 is that, it counts in parts by weight, the raw material components such as table 1 of wear-resistant coating It is shown.The preparation of wear-resistant coating includes the following steps:
Step 1, epoxy resin, polyurethane are added in reaction kettle, stir evenly acquisition matrix;
Step 2, silicon powder is added in matrix, stirs evenly and obtains masterbatch;
Step 3, masterbatch is added in 3-aminopropyltriethoxysilane and lauryl carboxymethyl sodium form imidazoline acetate In, stir evenly acquisition wear-resistant paint;
Step 4, wear-resistant paint is coated on screw body 1, is heating and curing to form wear-resistant coating.
Embodiment 6 the difference is that, is counted in parts by weight with embodiment 5, the raw material components such as table 1 of wear-resistant coating It is shown.
Comparative example 1, difference from example 1 is that, it counts in parts by weight, the raw material components such as table 1 of wear-resistant coating It is shown.The preparation of wear-resistant coating includes the following steps:
Step 1, epoxy resin, polyurethane are added in reaction kettle, stir evenly acquisition matrix;
Step 2, nano zine oxide is added in matrix, stirs evenly and obtains masterbatch;
Step 3, masterbatch is added in 3-aminopropyltriethoxysilane and lauryl carboxymethyl sodium form imidazoline acetate In, stir evenly acquisition wear-resistant paint;
Step 4, wear-resistant paint is coated on screw body 1, is heating and curing to form wear-resistant coating.
Comparative example 2 the difference is that, is counted in parts by weight with comparative example 1, the raw material components such as table 1 of wear-resistant coating It is shown.
Comparative example 3, difference from example 1 is that, it counts in parts by weight, the raw material components such as table 1 of wear-resistant coating It is shown.The preparation of wear-resistant coating includes the following steps:
Step 1, silicon powder and nano zine oxide are added to epoxy resin, stir evenly and obtain masterbatch;
Step 2, masterbatch is added in 3-aminopropyltriethoxysilane and lauryl carboxymethyl sodium form imidazoline acetate In, stir evenly acquisition wear-resistant paint;
Step 3, wear-resistant paint is coated on screw body 1, is heating and curing to form wear-resistant coating.
Comparative example 4 the difference is that, is counted in parts by weight with comparative example 3, the raw material components such as table 1 of wear-resistant coating It is shown.
Wherein, the wear extent for testing wear-resistant coating under conditions of 1000r with reference to national standard GB/T1768-2006, with evaluation The wear-resisting property of wear-resistant coating, test result are as shown in table 1.
Table 1
Table 1- is continuous
Specific embodiment is only explanation of the invention, is not intended to restrict the invention, all designs in the present invention Within design, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.

Claims (7)

1. a kind of tapping screw, including screw body (1), it is characterised in that:The outer surface of the screw body (1) is coated with resistance to Coating is ground, is counted in parts by weight, the wear-resistant coating raw material includes following components,
2. a kind of tapping screw according to claim 1, it is characterised in that:It counts in parts by weight, the wear-resistant coating is former Material includes following components,
3. a kind of tapping screw according to claim 1, it is characterised in that:The screw body (1) includes screw rod (11) Twisting slot (121) is offered with the upper surface of nut (12), the nut (12), the wear-resistant coating covers the upper of nut (12) The inner wall of surface and twisting slot (121).
4. a kind of tapping screw according to claim 1, it is characterised in that:It counts in parts by weight, the wear-resistant coating is former Material includes 3-5 parts of 3-aminopropyltriethoxysilane.
5. a kind of tapping screw according to claim 1, it is characterised in that:The curing agent is set as lauryl carboxymethyl Sodium form imidazoline acetate.
6. a kind of tapping screw according to claim 1, it is characterised in that:It counts in parts by weight, the wear-resistant coating is former Material includes 2-4 parts of zinc oxide.
7. a kind of tapping screw according to claim 6, it is characterised in that:The zinc oxide is set as nano zine oxide.
CN201810466436.8A 2018-05-16 2018-05-16 A kind of tapping screw Pending CN108587402A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810466436.8A CN108587402A (en) 2018-05-16 2018-05-16 A kind of tapping screw

Publications (1)

Publication Number Publication Date
CN108587402A true CN108587402A (en) 2018-09-28

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116855163A (en) * 2023-06-06 2023-10-10 海洋化工研究院有限公司 Flexible pressure-sensitive color-changing anti-corrosion primer, preparation method and application thereof, and intelligent threaded fastener with visible fastening degree

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1099779A (en) * 1994-05-20 1995-03-08 于延泉 Staticelectric conducting powder paint
CN103360906A (en) * 2013-07-24 2013-10-23 张运泉 Epoxy non-isocyanate polyurethane insulation varnish for magnet ring
CN103627290A (en) * 2013-11-21 2014-03-12 江苏博思源防火材料科技有限公司 Wear-resistant and impact-resistant coating and preparation method thereof
CN106634520A (en) * 2016-12-28 2017-05-10 华北水利水电大学 Water conservancy project waterproof paint
CN107701562A (en) * 2017-11-07 2018-02-16 成都市欣欣高强度紧固件制造有限公司 A kind of anti-dropout screw

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1099779A (en) * 1994-05-20 1995-03-08 于延泉 Staticelectric conducting powder paint
CN103360906A (en) * 2013-07-24 2013-10-23 张运泉 Epoxy non-isocyanate polyurethane insulation varnish for magnet ring
CN103627290A (en) * 2013-11-21 2014-03-12 江苏博思源防火材料科技有限公司 Wear-resistant and impact-resistant coating and preparation method thereof
CN106634520A (en) * 2016-12-28 2017-05-10 华北水利水电大学 Water conservancy project waterproof paint
CN107701562A (en) * 2017-11-07 2018-02-16 成都市欣欣高强度紧固件制造有限公司 A kind of anti-dropout screw

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Title
卢寿慈等: "《中国粉体工业通鉴第三卷(2007版)》", 31 August 2007, 中国建材工业出版社 *
吴宏富: "《中国粉体工业通鉴》", 31 May 2005, 西安地图出版社 *
王德中: "《环氧树脂生产与应用第二版》", 30 June 2001, 化学工业出版社 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116855163A (en) * 2023-06-06 2023-10-10 海洋化工研究院有限公司 Flexible pressure-sensitive color-changing anti-corrosion primer, preparation method and application thereof, and intelligent threaded fastener with visible fastening degree

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Application publication date: 20180928

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