CN110305472A - A kind of nylon valve body material and preparation method thereof - Google Patents
A kind of nylon valve body material and preparation method thereof Download PDFInfo
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- CN110305472A CN110305472A CN201910679431.8A CN201910679431A CN110305472A CN 110305472 A CN110305472 A CN 110305472A CN 201910679431 A CN201910679431 A CN 201910679431A CN 110305472 A CN110305472 A CN 110305472A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
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- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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Abstract
The invention discloses a kind of nylon valve body materials, each raw material including following weight parts: phosphorous acid bisphenol-A ester 4-7, caprolactam 160-200, initiator 5-7, phenol 36-40,37% formaldehyde 20-30, sodium hydroxide 1-2, silicon carbide fibre 3-4, butyl titanate 20-30, dithio-salicylic acid 1-2, polyamide wax micropowder 4-6, silane coupling agent kh550 2-3, glycidyl methacrylate 4-7, material of the invention, mechanical strength is high, particularly suitable as valve body material, excellent combination property.
Description
Technical field
The invention belongs to Material Fields, and in particular to a kind of nylon valve body material and preparation method thereof.
Background technique
Valve is the control unit in fluid delivery system, has cut-off, adjusting, water conservancy diversion, prevents adverse current, pressure stabilizing, shunting
Or the functions such as overflow pressure relief.For the valve of fluid control systems, from simplest shut-off valve to extremely complex robot control system(RCS)
Used in various valves, kind and specification are quite various.Valve can be used for controlling empty gas and water, steam, various corrosivity and be situated between
The flowing of the various types fluid such as matter, mud, oil product, liquid metal and radiating medium.Valve is also divided into cast iron according to material
Valve, cast steel valve, stainless valve, chrome-molybdenum steel valve, Chrominm-molybdenum-vanadium steel valve, dual phase steel valve, Plastic valve are nonstandard customized
Valve etc.；
Nylon has very strong vitality, essentially consists in its modified realization as most important kind maximum in engineering plastics
The requirement high performance to product of the industries itself such as high performance, followed by automobile, electric appliance, communication, electronics, machinery is more and more stronger
Strong, the rapid development of related industry promotes the process of engineering plastics high performance, and modification of nylon future developing trend is as follows:
1. the market demand of high-intensitive high rigidity nylon is increasing, new reinforcing material such as inorganic crystal whisker enhancing, fibre reinforced
PA will become important kind, be mainly used for automotive engine component, mechanical part and air equipment component.2. nylon closes
Aurification will become the mainstream of modified engineered plastic development.Nylon alloy is to realize the high performance important channel of nylon, and make
Make nylon, nylon PP Pipe Compound, the main means for improving properties of nylons.By blending other high polymers, the water suction of Lai Gaishan nylon
Property, improve dimensional stability and black brittleness, the heat resistance and wearability of product.To be applicable in the use of car type difference requirement
On the way.3. the manufacturing technology of nano-nylon will be rapidly developed with application.The advantages of nano-nylon, is its hot property, mechanical property
Energy, anti-flammability, barrier property are higher than pure nylon, and manufacturing cost is suitable with common nylon.Thus, there is very big competitiveness.④
For electronics, electrical, the fire-retardant nylon of electric appliance is growing day by day, attention of the greenization fire-retardant nylon increasingly by market.5. resisting
Electrostatic, electroconductive nylon and magnetic nylon will become the preferred material of electronic equipment, mining machinery, textile machine.6. processing helps
The research and application of agent will push the functionalization of modification of nylon, the process of high performance.7. polytechnic application, product
Fining is the power for pushing its industry development；
Currently, the non-metal kind material as valve body material has polytetrafluoroethylene (PTFE), polypropylene, polyethylene, polyvinyl chloride etc., nylon
But it is rarely used for as valve body material, therefore, it is an object of the invention to provide a kind of high performance nylon materials, to meet
Its application in valve body material.
Summary of the invention
The object of the present invention is to provide a kind of nylon valve body materials and preparation method thereof.
To achieve the above object, the invention adopts the following technical scheme:
A kind of nylon valve body material, each raw material including following weight parts:
Phosphorous acid bisphenol-A ester 4-7, caprolactam 160-200, initiator 5-7, phenol 36-40,37% formaldehyde 20-30, hydrogen-oxygen
It is even to change sodium 1-2, silicon carbide fibre 3-4, butyl titanate 20-30, dithio-salicylic acid 1-2, polyamide wax micropowder 4-6, silane
Join agent kh550 2-3, glycidyl methacrylate 4-7.
The initiator is cumyl peroxide.
A kind of preparation method of nylon valve body material, comprising the following steps:
(1) initiator is taken, is added in the dehydrated alcohol of 20-30 times of its weight, stirs evenly, obtain initiator solution；
(2) butyl titanate, dithio-salicylic acid mixing are taken, is added in the deionized water of 51-60 times of mixture weight, stirs
Reaction 3-5 hours, obtains sol dispersion；
(3) polyamide wax micropowder, silane coupling agent kh550 mixing are taken, is added in the dehydrated alcohol of 7-9 times of mixture weight,
Insulated and stirred 1-2 hours at 60-65 DEG C, ethyl alcohol is distilled off, obtains amino wax micro mist；
(4) above-mentioned amino wax micro mist is taken, is added in sol dispersion, is sent in 70-75 DEG C of water bath with thermostatic control, insulated and stirred
100-130 minutes, obtain aqueous dispersions；
(5) the formaldehyde mixing for taking phenol, 37%, stirs evenly, is sent in 85-90 DEG C of water-bath, and sodium hydroxide, heat preservation is added
Glycidyl methacrylate is added in stirring 3-4 hours, and reducing temperature is 50-55 DEG C, and insulated and stirred 1-2 hours, decompression was de-
Water obtains modified filler；
(6) caprolactam is taken, is added in above-mentioned aqueous dispersions, stirs evenly, be sent in reaction kettle, is passed through nitrogen, is adjusted
Temperature of reaction kettle is 65-70 DEG C, above-mentioned initiator solution is added, insulated and stirred 3-5 hours, discharging obtained polymer solution；
(7) above-mentioned modified filler is taken, is added in polymer solution, increasing temperature is 150-160 DEG C, insulated and stirred 80-100 points
Clock filters, filter cake is washed, dry, obtains premix；
(8) above-mentioned premix is taken, is mixed with phosphorous acid bisphenol-A ester, silicon carbide fibre, is stirred evenly, be sent in extruder,
Melting extrusion, it is cooling to get.
Drying temperature described in step (7) is 80-90 DEG C, and drying time is 40-50 minutes.
Advantages of the present invention:
For the present invention first using butyl titanate as presoma, dithio-salicylic acid is promotor, is hydrolyzed in water, obtains colloidal sol point
Polyamide wax micropowder is handled using silane coupling agent kh550 later, obtains amino wax micro mist, then the ammonia with acid doping by dispersion liquid
Base wax micro mist is blended, and carries out amidation process, obtains aqueous dispersions, then using phenol, 37% formaldehyde as raw material, carry out it is epoxy-modified,
Modified filler is obtained, then using caprolactam as monomer, using aqueous dispersions as solvent, carries out polymerization reaction, the polymer that will be obtained
Solution and epoxy-modified filler blending reaction promote epoxy cross-linking, so that finished product nylon material is obtained, material tool of the invention
There is good mechanical strength stability, and be blended by phosphorous acid bisphenol-A ester, stearate etc., plays collaboration well and mention
The effect of high heat resistance stability, material of the invention, mechanical strength is high, particularly suitable as valve body material, excellent combination property.
Specific embodiment
Embodiment 1
A kind of nylon valve body material, each raw material including following weight parts:
Phosphorous acid bisphenol-A ester 4, caprolactam 160, initiator 5, the formaldehyde 20 of phenol 36,37%, sodium hydroxide 1, silicon carbide are fine
Tie up 3, butyl titanate 20, dithio-salicylic acid 1, polyamide wax micropowder 4, silane coupling agent kh550 2, Glycidyl methacrylate
Glyceride 4.
The initiator is cumyl peroxide.
A kind of preparation method of nylon valve body material, comprising the following steps:
(1) initiator is taken, is added in the dehydrated alcohol of 20 times of its weight, is stirred evenly, obtain initiator solution；
(2) butyl titanate, dithio-salicylic acid mixing are taken, is added in 51 times of mixture weight of deionized water, stirring is anti-
It answers 3 hours, obtains sol dispersion；
(3) polyamide wax micropowder, silane coupling agent kh550 mixing are taken, is added in 7 times of mixture weight of dehydrated alcohol,
Insulated and stirred 1 hour, is distilled off ethyl alcohol at 60 DEG C, obtains amino wax micro mist；
(4) above-mentioned amino wax micro mist is taken, is added in sol dispersion, is sent in 70 DEG C of water bath with thermostatic control, insulated and stirred 100
Minute, obtain aqueous dispersions；
(5) the formaldehyde mixing for taking phenol, 37%, stirs evenly, is sent in 85 DEG C of water-bath, sodium hydroxide, insulated and stirred is added
3 hours, glycidyl methacrylate is added, reducing temperature is 50 DEG C, and insulated and stirred 1 hour, decompression dehydration must be modified and fill out
Material；
(6) caprolactam is taken, is added in above-mentioned aqueous dispersions, stirs evenly, be sent in reaction kettle, is passed through nitrogen, is adjusted
Temperature of reaction kettle is 65 DEG C, above-mentioned initiator solution is added, insulated and stirred 3 hours, discharging obtained polymer solution；
(7) above-mentioned modified filler is taken, is added in polymer solution, increasing temperature is 150 DEG C, it insulated and stirred 80 minutes, filters,
Filter cake is washed, it is dry, obtain premix；
(8) above-mentioned premix is taken, is mixed with phosphorous acid bisphenol-A ester, silicon carbide fibre, is stirred evenly, be sent in extruder,
Melting extrusion, it is cooling to get.
Drying temperature described in step (7) is 80 DEG C, and drying time is 40 minutes.
Embodiment 2
A kind of nylon valve body material, each raw material including following weight parts:
Phosphorous acid bisphenol-A ester 7, caprolactam 200, initiator 7, the formaldehyde 30 of phenol 40,37%, sodium hydroxide 2, silicon carbide are fine
Tie up 4, butyl titanate 30, dithio-salicylic acid 2, polyamide wax micropowder 6, silane coupling agent kh550 3, Glycidyl methacrylate
Glyceride 7.
The initiator is cumyl peroxide.
A kind of preparation method of nylon valve body material, comprising the following steps:
(1) initiator is taken, is added in the dehydrated alcohol of 30 times of its weight, is stirred evenly, obtain initiator solution；
(2) butyl titanate, dithio-salicylic acid mixing are taken, is added in 60 times of mixture weight of deionized water, stirring is anti-
It answers 5 hours, obtains sol dispersion；
(3) polyamide wax micropowder, silane coupling agent kh550 mixing are taken, is added in 9 times of mixture weight of dehydrated alcohol,
Insulated and stirred 2 hours, are distilled off ethyl alcohol at 65 DEG C, obtain amino wax micro mist；
(4) above-mentioned amino wax micro mist is taken, is added in sol dispersion, is sent in 75 DEG C of water bath with thermostatic control, insulated and stirred 130
Minute, obtain aqueous dispersions；
(5) the formaldehyde mixing for taking phenol, 37%, stirs evenly, is sent in 85-90 DEG C of water-bath, and sodium hydroxide, heat preservation is added
Glycidyl methacrylate is added in stirring 4 hours, and reducing temperature is 55 DEG C, and insulated and stirred 2 hours, decompression dehydration must change
Property filler；
(6) caprolactam is taken, is added in above-mentioned aqueous dispersions, stirs evenly, be sent in reaction kettle, is passed through nitrogen, is adjusted
Temperature of reaction kettle is 70 DEG C, above-mentioned initiator solution is added, insulated and stirred 5 hours, discharging obtained polymer solution；
(7) above-mentioned modified filler is taken, is added in polymer solution, increasing temperature is 160 DEG C, insulated and stirred 100 minutes, is taken out
Filter, filter cake is washed, dry, obtains premix；
(8) above-mentioned premix is taken, is mixed with phosphorous acid bisphenol-A ester, silicon carbide fibre, is stirred evenly, be sent in extruder,
Melting extrusion, it is cooling to get.
Drying temperature described in step (7) is 90 DEG C, and drying time is 50 minutes.
Performance test:
The nylon valve body material of the embodiment of the present invention 1:
Tensile property: being tested by ISO527-2, tensile speed 5mm/min, and test temperature is 23 DEG C, is measured；
The tensile strength of the nylon valve body material of the embodiment of the present invention 1 is 183.6Mpa；
The tensile strength of the nylon valve body material of the embodiment of the present invention 2 is 189.4Mpa.
Claims (4)
1. a kind of nylon valve body material, which is characterized in that each raw material including following weight parts:
Phosphorous acid bisphenol-A ester 4-7, caprolactam 160-200, initiator 5-7, phenol 36-40,37% formaldehyde 20-30, hydrogen-oxygen
It is even to change sodium 1-2, silicon carbide fibre 3-4, butyl titanate 20-30, dithio-salicylic acid 1-2, polyamide wax micropowder 4-6, silane
Join agent kh550 2-3, glycidyl methacrylate 4-7.
2. a kind of nylon valve body material according to claim 1, which is characterized in that the initiator is that peroxidating two is different
Propyl benzene.
3. a kind of preparation method of nylon valve body material as described in claim 1, which comprises the following steps:
(1) initiator is taken, is added in the dehydrated alcohol of 20-30 times of its weight, stirs evenly, obtain initiator solution；
(2) butyl titanate, dithio-salicylic acid mixing are taken, is added in the deionized water of 51-60 times of mixture weight, stirs
Reaction 3-5 hours, obtains sol dispersion；
(3) polyamide wax micropowder, silane coupling agent kh550 mixing are taken, is added in the dehydrated alcohol of 7-9 times of mixture weight,
Insulated and stirred 1-2 hours at 60-65 DEG C, ethyl alcohol is distilled off, obtains amino wax micro mist；
(4) above-mentioned amino wax micro mist is taken, is added in sol dispersion, is sent in 70-75 DEG C of water bath with thermostatic control, insulated and stirred
100-130 minutes, obtain aqueous dispersions；
(5) the formaldehyde mixing for taking phenol, 37%, stirs evenly, is sent in 85-90 DEG C of water-bath, and sodium hydroxide, heat preservation is added
Glycidyl methacrylate is added in stirring 3-4 hours, and reducing temperature is 50-55 DEG C, and insulated and stirred 1-2 hours, decompression was de-
Water obtains modified filler；
(6) caprolactam is taken, is added in above-mentioned aqueous dispersions, stirs evenly, be sent in reaction kettle, is passed through nitrogen, is adjusted
Temperature of reaction kettle is 65-70 DEG C, above-mentioned initiator solution is added, insulated and stirred 3-5 hours, discharging obtained polymer solution；
(7) above-mentioned modified filler is taken, is added in polymer solution, increasing temperature is 150-160 DEG C, insulated and stirred 80-100 points
Clock filters, filter cake is washed, dry, obtains premix；
(8) above-mentioned premix is taken, is mixed with phosphorous acid bisphenol-A ester, silicon carbide fibre, is stirred evenly, be sent in extruder,
Melting extrusion, it is cooling to get.
4. a kind of preparation method of nylon valve body material according to claim 3, which is characterized in that described in step (7)
Drying temperature is 80-90 DEG C, and drying time is 40-50 minutes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910679431.8A CN110305472A (en) | 2019-07-26 | 2019-07-26 | A kind of nylon valve body material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910679431.8A CN110305472A (en) | 2019-07-26 | 2019-07-26 | A kind of nylon valve body material and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112094619A (en) * | 2019-12-13 | 2020-12-18 | 上海铂淳胶粘技术有限公司 | Fiber composite hot melt adhesive and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102732016A (en) * | 2012-06-15 | 2012-10-17 | 苏州宇度医疗器械有限责任公司 | Preparation method for silicon carbide reinforced nylon composite |
| CN102732012A (en) * | 2012-06-15 | 2012-10-17 | 苏州宇度医疗器械有限责任公司 | Silicon carbide reinforced nylon composite material |
| CN108517115A (en) * | 2018-03-20 | 2018-09-11 | 繁昌县聚恒智能装备有限公司 | A kind of anti-oxidant nylon material and preparation method thereof |
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2019
- 2019-07-26 CN CN201910679431.8A patent/CN110305472A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102732016A (en) * | 2012-06-15 | 2012-10-17 | 苏州宇度医疗器械有限责任公司 | Preparation method for silicon carbide reinforced nylon composite |
| CN102732012A (en) * | 2012-06-15 | 2012-10-17 | 苏州宇度医疗器械有限责任公司 | Silicon carbide reinforced nylon composite material |
| CN108517115A (en) * | 2018-03-20 | 2018-09-11 | 繁昌县聚恒智能装备有限公司 | A kind of anti-oxidant nylon material and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112094619A (en) * | 2019-12-13 | 2020-12-18 | 上海铂淳胶粘技术有限公司 | Fiber composite hot melt adhesive and preparation method thereof |
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