CN102558845A - Cast nylon board and preparation method thereof - Google Patents
Cast nylon board and preparation method thereof Download PDFInfo
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- CN102558845A CN102558845A CN2010106094555A CN201010609455A CN102558845A CN 102558845 A CN102558845 A CN 102558845A CN 2010106094555 A CN2010106094555 A CN 2010106094555A CN 201010609455 A CN201010609455 A CN 201010609455A CN 102558845 A CN102558845 A CN 102558845A
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- nylon plate
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Abstract
The invention relates to a cast nylon board and a preparation method thereof, which belong to the field of material science. The nylon board comprises the following raw materials by weight: 9.6 to 46 parts of synthetic fabric, 40 to 90 parts of caprolactam, 1 part to 40 parts of teflon powder, 0.2 part of 2 parts of catalyst and 0.2 part to 2 parts of activating agent. The cast nylon board has excellent comprehensive performance, higher tensile strength, bending strength and notch impact strength and good abrasion resistance and size stability, thereby greatly expanding application field.
Description
Technical field
The present invention relates to materials science field, relate to a kind of mould nylon plate and preparation method thereof.
Background technology
Nylon monomer-cast nylon is claimed MC nylon again, is that polymerization forming makes in mould in monomer whose direct pouring under the condition of anionic catalyst and acvator existence thereof.Because its production technique is simple, polymerization velocity is fast, and the goods good combination property is widely used in fields such as machinery, weaving, traffic, petrochemical industry, metallurgy.
Yet along with the expansion of monomer cast nylon practical application, pure monomer cast nylon notch shock, stretching, flexural strength, wear resisting property are difficult to satisfy the requirement of some industry, and compoundization of material is the inexorable trend of monomer cast nylon material development.At present monomer cast nylon has also been carried out a lot of study on the modification; Such as toughness reinforcing, enhancing, increase wear resistance etc.; These method of modifying have all just improved the performance of certain some aspect of material, concerning over-all properties, even raising is arranged; Also be raising by a small margin, very little to overall performance contribution.
Therefore, invent the overall qualities that a kind of monomer cast nylon improves material, improve its over-all properties, it is necessary enlarging its range of application.
Summary of the invention
The objective of the invention is to mould nylon plate that proposes a kind of excellent combination property and preparation method thereof, can significantly improve intensity, impact property, the wear resisting property of material, make the quality of material that a big lifting arranged.
To achieve these goals, the present invention adopts following technical scheme:
A kind of mould nylon plate comprises following component and parts by weight:
Blend fiber fabric 9.6-46
Hexanolactam 90-40
Polytetrafluoroethylene powder 1-10
Catalyzer 0.2-2
Acvator 0.2-2.
Described catalyzer can be selected from sodium hydroxide, sodium methylate or sodium caprolactam(ate).
Described acvator can be selected from tolylene diisocyanate (TDI), hexamethylene diisocyanate (HDI) or triphenylmethane triisocyanate.
The kind of blend fiber fabric can be selected from nylon 6/ glass blend fiber fabric, nylon 66/ glass blend fiber fabric or PET/ glass blend fiber fabric.
The form of blend fiber fabric can be selected from cloth or fibre felt.
The filament diameter scope of blend fiber fabric is 5-25 μ m.
The polytetrafluoroethylene powder median size is less than 5 μ m, and specific surface area is greater than 10m
2/ g.
Glass and organic fibre can be used the arbitrary proportion shuffling in the blend fiber fabric, and all are to be handled by KH550.
A kind of method for preparing above-mentioned mould nylon plate comprises step:
(1) put into the blend fiber fabric 100 ℃ of dry 6-12 of vacuum drying oven hours, take out, sealing is preserved;
(2) the blend fiber fabric cutting after will handling, be superimposed as suitable fixed thickness in mould, sealed mold is warming up to 100-120 ℃;
(3) catalyzer, polytetrafluoroethylene powder are added in the hexanolactam, be warming up to 140 ℃, dewatered 20-30 minute.Be cooled to 100-120 ℃, add acvator, shake up, insulation;
(4) with pump the end opening suction mould of above-mentioned mixing solutions by mould, soak into full mould after, termination of pumping; Be warming up to 150-180 ℃, be incubated 20-30 minute, die sinking can obtain mould nylon plate of the present invention;
The invention has the advantages that: mould nylon plate provided by the present invention has the excellent comprehensive performance, has higher draw tensile strength, flexural strength, notched Izod impact strength, and good abrasion resistance and dimensional stability have been expanded its Application Areas widely.
Embodiment
Below in conjunction with the practical implementation instance technology involved in the present invention and performance are described.
Embodiment 1
A kind of mould nylon plate of excellent combination property, the raw material of this mould nylon plate comprises following component and parts by weight:
The composition weight umber
Nylon 6/ glass blend fiber cloth 36
Hexanolactam 58
Polytetrafluoroethylene powder 4
Sodium caprolactam(ate) 1.5
Tolylene diisocyanate 0.5
Concrete technology is following:
(1) nylon 6 in the nylon 6/ glass blend fiber cloth: glass weight fraction ratio is 1: 1.Put into 100 ℃ of dryings of vacuum drying oven to nylon 6/ glass blend fiber cloth 6 hours.
(2) with dried nylon 6/ glass blend fiber cloth cutting, be superimposed as suitable bed thickness and be fixed in the mould, sealed mold is warming up to 110 ℃.
(3) sodium caprolactam(ate), polytetrafluoroethylene powder are added in the hexanolactam, be warming up to 140 ℃, dewatered 20 minutes.Be cooled to 120 ℃, add tolylene diisocyanate, shake up, insulation.
(4) with pump the end opening suction mould of above-mentioned mixing solutions by mould, soak into full mould after, termination of pumping.Be warming up to 170 ℃, be incubated 20 minutes, die sinking can obtain mould nylon plate of the present invention.Concrete performance is seen table one.
Embodiment 2
A kind of mould nylon plate of excellent combination property, the raw material of this mould nylon plate comprises following component and parts by weight:
The composition weight umber
Nylon 6/ glass blend fiber cloth 46
Hexanolactam 41
Polytetrafluoroethylene powder 10
Sodium caprolactam(ate) 1.5
Triphenylmethane triisocyanate 1.5
Concrete technology is following:
(1) nylon 6 in the nylon 6/ glass blend fiber cloth: glass weight fraction ratio is 1: 1.Put into 100 ℃ of dryings of vacuum drying oven to nylon 6/ glass blend fiber cloth 6 hours.
(2) with dried nylon 6/ glass blend fiber cloth cutting, be superimposed as suitable bed thickness and be fixed in the mould, sealed mold is warming up to 120 ℃.
(3) sodium caprolactam(ate), polytetrafluoroethylene powder are added in the hexanolactam, be warming up to 140 ℃, dewatered 20 minutes.Be cooled to 120 ℃, add triphenylmethane triisocyanate, shake up, insulation.
(4) with pump the end opening suction mould of above-mentioned mixing solutions by mould, soak into full mould after, termination of pumping.Be warming up to 180 ℃, be incubated 20 minutes, die sinking can obtain mould nylon plate of the present invention.Concrete performance is seen table one.
Embodiment 3
A kind of mould nylon plate of excellent combination property, the raw material of this mould nylon plate comprises following component and parts by weight:
The composition weight umber
Nylon 6/ glass blend fiber cloth 10
Hexanolactam 84
Polytetrafluoroethylene powder 5
Sodium hydroxide 0.5
Hexamethylene diisocyanate 0.5
Concrete technology is following:
(1) nylon 6 in the nylon 6/ glass blend fiber cloth: glass weight fraction ratio is 1: 1.Put into 100 ℃ of dryings of vacuum drying oven to nylon 6/ glass blend fiber cloth 6 hours.
(2) with dried nylon 6/ glass blend fiber cloth cutting, be superimposed as suitable bed thickness and be fixed in the mould, sealed mold is warming up to 100 ℃.
(3) sodium hydroxide, polytetrafluoroethylene powder are added in the hexanolactam, be warming up to 140 ℃, dewatered 25 minutes.Be cooled to 100 ℃, add hexamethylene diisocyanate, shake up, insulation.
(4) with pump the end opening suction mould of above-mentioned mixing solutions by mould, soak into full mould after, termination of pumping.Be warming up to 150 ℃, be incubated 30 minutes, die sinking can obtain mould nylon plate of the present invention.Concrete performance is seen table one.
Embodiment 4
A kind of mould nylon plate of excellent combination property, the raw material of this mould nylon plate comprises following component and parts by weight:
The composition weight umber
Nylon 6/ glass blend fiber cloth 36
Hexanolactam 58
Polytetrafluoroethylene powder 4
Sodium caprolactam(ate) 1.5
Tolylene diisocyanate 0.5
Concrete technology is following:
(1) nylon 6 in the nylon 6/ glass blend fiber cloth: glass weight fraction ratio is 1: 2.Put into 100 ℃ of dryings of vacuum drying oven to nylon 6/ glass blend fiber cloth 6 hours.
(2) with dried nylon 6/ glass blend fiber cloth cutting, be superimposed as suitable bed thickness and be fixed in the mould, sealed mold is warming up to 100 ℃.
(3) sodium caprolactam(ate), polytetrafluoroethylene powder are added in the hexanolactam, be warming up to 140 ℃, dewatered 25 minutes.Be cooled to 120 ℃, add tolylene diisocyanate, shake up, insulation.
(4) with pump the end opening suction mould of above-mentioned mixing solutions by mould, soak into full mould after, termination of pumping.Be warming up to 160 ℃, be incubated 20 minutes, die sinking can obtain mould nylon plate of the present invention.Concrete performance is seen table one.
Embodiment 5
A kind of mould nylon plate of excellent combination property, the raw material of this mould nylon plate comprises following component and parts by weight:
The composition weight umber
Nylon 66/ glass blend fiber cloth 20
Hexanolactam 71
Polytetrafluoroethylene powder 8
Sodium hydroxide 0.5
Tolylene diisocyanate 0.5
Concrete technology is following:
(1) nylon 66 in the nylon 66/ glass blend fiber cloth: glass weight fraction ratio is 1: 2.Put into 100 ℃ of dryings of vacuum drying oven to nylon 66/ glass blend fiber cloth 12 hours.
(2) with dried nylon 66/ glass blend fiber cloth cutting, be superimposed as suitable bed thickness and be fixed in the mould, sealed mold is warming up to 100 ℃.
(3) sodium hydroxide, polytetrafluoroethylene powder are added in the hexanolactam, be warming up to 140 ℃, dewatered 30 minutes.Be cooled to 120 ℃, add tolylene diisocyanate, shake up, insulation.
(4) with pump the end opening suction mould of above-mentioned mixing solutions by mould, soak into full mould after, termination of pumping.Be warming up to 150 ℃, be incubated 30 minutes, die sinking can obtain mould nylon plate of the present invention.Concrete performance is seen table one.
Embodiment 6
A kind of mould nylon plate of excellent combination property, the raw material of this mould nylon plate comprises following component and parts by weight:
The composition weight umber
PET/ glass mixed fibre felt 30
Hexanolactam 67
Polytetrafluoroethylene powder 1
Sodium caprolactam(ate) 1
Hexamethylene diisocyanate 1
Concrete technology is following:
(1) PET in PET//glass mixed fibre felt: glass weight fraction ratio is 2: 1.Put into 100 ℃ of dryings of vacuum drying oven to PET/ glass mixed fibre felt 6 hours.
(2) with the cutting of dried PET/ glass mixed fibre felt, be superimposed as suitable bed thickness and be fixed in the mould, sealed mold is warming up to 100 ℃.
(3) sodium caprolactam(ate), polytetrafluoroethylene powder are added in the hexanolactam, be warming up to 140 ℃, dewatered 20 minutes.Be cooled to 120 ℃, add hexamethylene diisocyanate, shake up, insulation.
(4) with pump the end opening suction mould of above-mentioned mixing solutions by mould, soak into full mould after, termination of pumping.Be warming up to 180 ℃, be incubated 25 minutes, die sinking can obtain mould nylon plate of the present invention.Concrete performance is seen table one.
Concrete performance is seen table one.
Performance of composites among each embodiment of table one
The above-mentioned description to embodiment is can understand and use the present invention for ease of the those of ordinary skill of this technical field.The personnel of skilled obviously can easily make various modifications to these embodiment, and needn't pass through performing creative labour being applied in the General Principle of this explanation among other embodiment.Therefore, the invention is not restricted to the embodiment here, those skilled in the art are according to announcement of the present invention, and not breaking away from the improvement that category of the present invention makes and revise all should be within protection scope of the present invention.
Claims (8)
1. mould nylon plate is characterized in that: comprise following component and parts by weight:
Blend fiber fabric 9.6-46
Hexanolactam 90-40
Polytetrafluoroethylene powder 1-10
Catalyzer 0.2-2
Acvator 0.2-2.
2. mould nylon plate according to claim 1 is characterized in that: described catalyzer is selected from sodium hydroxide, sodium methylate or sodium caprolactam(ate).
3. mould nylon plate according to claim 1 is characterized in that: described acvator is selected from tolylene diisocyanate, hexamethylene diisocyanate or triphenylmethane triisocyanate.
3. mould nylon plate according to claim 1 is characterized in that: the kind of described blend fiber fabric is selected from nylon 6/ glass blend fiber fabric, nylon 66/ glass blend fiber fabric or PET/ glass blend fiber fabric.
4. mould nylon plate according to claim 1 is characterized in that: the form of described blend fiber fabric comprises cloth or fibre felt.
5. mould nylon plate according to claim 1 is characterized in that: the filament diameter scope of described blend fiber fabric is 5-25 μ m.
6. mould nylon plate according to claim 1 is characterized in that: described polytetrafluoroethylene powder median size is less than 5 μ m, and specific surface area is greater than 10m
2/ g.
7. mould nylon plate according to claim 1 is characterized in that: glass and organic fibre are with the arbitrary proportion shuffling in the described blend fiber fabric.
8. the preparation method of arbitrary described mould nylon plate among the claim 1-7 is characterized in that: comprise step:
(1) put into the blend fiber fabric 100 ℃ of dry 6-12 of vacuum drying oven hours, take out, sealing is preserved;
(2) the blend fiber fabric cutting after will handling, be superimposed as suitable fixed thickness in mould, sealed mold is warming up to 100-120 ℃;
(3) catalyzer, polytetrafluoroethylene powder are added in the hexanolactam, be warming up to 140 ℃, dewatered 20-30 minute.Be cooled to 100-120 ℃, add acvator, shake up, insulation;
(4) with pump the end opening suction mould of above-mentioned mixing solutions by mould, soak into full mould after, termination of pumping is warming up to 150-180 ℃, is incubated 20-30 minute, die sinking can obtain mould nylon plate of the present invention.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010609455.5A CN102558845B (en) | 2010-12-28 | 2010-12-28 | Cast nylon board and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010609455.5A CN102558845B (en) | 2010-12-28 | 2010-12-28 | Cast nylon board and preparation method thereof |
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| CN102558845A true CN102558845A (en) | 2012-07-11 |
| CN102558845B CN102558845B (en) | 2014-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010609455.5A Active CN102558845B (en) | 2010-12-28 | 2010-12-28 | Cast nylon board and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105906997A (en) * | 2016-05-27 | 2016-08-31 | 本溪华日氟高分子材料制造有限公司 | Method for preventing prepared polytetrafluoroethylene part from being cracked |
| CN106633691A (en) * | 2016-12-01 | 2017-05-10 | 深圳中凝科技有限公司 | Aerogel PET (polyethylene terephthalate) master batch and manufacturing technique thereof |
| CN110358289A (en) * | 2019-06-21 | 2019-10-22 | 邱朝霞 | A kind of preparation method of self-lubricating high strength nylon plate |
| CN115651250A (en) * | 2022-11-07 | 2023-01-31 | 江苏吉鑫风能科技股份有限公司 | Protective nylon plate for wind power casting and preparation process thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1991233A (en) * | 2005-12-29 | 2007-07-04 | 上海杰事杰新材料股份有限公司 | Thermoplastic light-duty composite plate and preparing method thereof |
| CN101333269A (en) * | 2007-06-25 | 2008-12-31 | 大金工业株式会社 | Aqueous dispersion of low molecular weight polytetrafluorethylene and preparation method thereof |
| CN101525433A (en) * | 2009-04-03 | 2009-09-09 | 株洲时代新材料科技股份有限公司 | Fiber-reinforced modified-reaction injection-molding nylon sheet and preparation method thereof |
| CN101579903A (en) * | 2009-06-19 | 2009-11-18 | 黄中南 | Application of polyamide alloy in preparation of pipelines and pipe fittings with flanges or wellhead seat products |
-
2010
- 2010-12-28 CN CN201010609455.5A patent/CN102558845B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1991233A (en) * | 2005-12-29 | 2007-07-04 | 上海杰事杰新材料股份有限公司 | Thermoplastic light-duty composite plate and preparing method thereof |
| CN101333269A (en) * | 2007-06-25 | 2008-12-31 | 大金工业株式会社 | Aqueous dispersion of low molecular weight polytetrafluorethylene and preparation method thereof |
| CN101525433A (en) * | 2009-04-03 | 2009-09-09 | 株洲时代新材料科技股份有限公司 | Fiber-reinforced modified-reaction injection-molding nylon sheet and preparation method thereof |
| CN101579903A (en) * | 2009-06-19 | 2009-11-18 | 黄中南 | Application of polyamide alloy in preparation of pipelines and pipe fittings with flanges or wellhead seat products |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105906997A (en) * | 2016-05-27 | 2016-08-31 | 本溪华日氟高分子材料制造有限公司 | Method for preventing prepared polytetrafluoroethylene part from being cracked |
| CN106633691A (en) * | 2016-12-01 | 2017-05-10 | 深圳中凝科技有限公司 | Aerogel PET (polyethylene terephthalate) master batch and manufacturing technique thereof |
| CN110358289A (en) * | 2019-06-21 | 2019-10-22 | 邱朝霞 | A kind of preparation method of self-lubricating high strength nylon plate |
| CN115651250A (en) * | 2022-11-07 | 2023-01-31 | 江苏吉鑫风能科技股份有限公司 | Protective nylon plate for wind power casting and preparation process thereof |
| CN115651250B (en) * | 2022-11-07 | 2024-01-09 | 江苏吉鑫风能科技股份有限公司 | Protective nylon plate for wind power castings and preparation process thereof |
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| Publication number | Publication date |
|---|---|
| CN102558845B (en) | 2014-10-01 |
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