CN110105752A - A kind of foaming modifying nylon composite materials and preparation method thereof - Google Patents
A kind of foaming modifying nylon composite materials and preparation method thereof Download PDFInfo
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- CN110105752A CN110105752A CN201910213463.9A CN201910213463A CN110105752A CN 110105752 A CN110105752 A CN 110105752A CN 201910213463 A CN201910213463 A CN 201910213463A CN 110105752 A CN110105752 A CN 110105752A
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- lubricant
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- 239000004677 Nylon Substances 0.000 title claims abstract description 55
- 229920001778 nylon Polymers 0.000 title claims abstract description 55
- 239000002131 composite material Substances 0.000 title claims abstract description 46
- 238000005187 foaming Methods 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title claims description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 48
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 claims abstract description 45
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000006260 foam Substances 0.000 claims abstract description 31
- 239000000463 material Substances 0.000 claims abstract description 29
- 239000012744 reinforcing agent Substances 0.000 claims abstract description 28
- 239000000314 lubricant Substances 0.000 claims abstract description 27
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052901 montmorillonite Inorganic materials 0.000 claims abstract description 24
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 24
- 239000013078 crystal Substances 0.000 claims abstract description 23
- NJLLQSBAHIKGKF-UHFFFAOYSA-N dipotassium dioxido(oxo)titanium Chemical compound [K+].[K+].[O-][Ti]([O-])=O NJLLQSBAHIKGKF-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000012190 activator Substances 0.000 claims abstract description 20
- 229960004643 cupric oxide Drugs 0.000 claims abstract description 19
- 239000003513 alkali Substances 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 21
- 239000007822 coupling agent Substances 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 17
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 239000000843 powder Substances 0.000 claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 11
- -1 mass ratio 1:1 Substances 0.000 claims description 11
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 9
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 7
- 239000006229 carbon black Substances 0.000 claims description 7
- 239000004917 carbon fiber Substances 0.000 claims description 7
- 239000003365 glass fiber Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical group C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 7
- 239000003595 mist Substances 0.000 claims description 7
- 238000006116 polymerization reaction Methods 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 7
- 229910052882 wollastonite Inorganic materials 0.000 claims description 7
- 239000010456 wollastonite Substances 0.000 claims description 7
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 6
- 239000011701 zinc Substances 0.000 claims description 6
- 229910052725 zinc Inorganic materials 0.000 claims description 6
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims 1
- 230000004913 activation Effects 0.000 claims 1
- 229910052750 molybdenum Inorganic materials 0.000 claims 1
- 239000011733 molybdenum Substances 0.000 claims 1
- 238000000465 moulding Methods 0.000 abstract description 5
- 238000002156 mixing Methods 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 239000000178 monomer Substances 0.000 description 7
- 238000012545 processing Methods 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 238000005266 casting Methods 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical group S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 6
- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 6
- 238000002604 ultrasonography Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- DVPHDWQFZRBFND-DMHDVGBCSA-N 1-o-[2-[(3ar,5r,6s,6ar)-2,2-dimethyl-6-prop-2-enoyloxy-3a,5,6,6a-tetrahydrofuro[2,3-d][1,3]dioxol-5-yl]-2-[4-[(2s,3r)-1-butan-2-ylsulfanyl-2-(2-chlorophenyl)-4-oxoazetidin-3-yl]oxy-4-oxobutanoyl]oxyethyl] 4-o-[(2s,3r)-1-butan-2-ylsulfanyl-2-(2-chloropheny Chemical group C1([C@H]2[C@H](C(N2SC(C)CC)=O)OC(=O)CCC(=O)OC(COC(=O)CCC(=O)O[C@@H]2[C@@H](N(C2=O)SC(C)CC)C=2C(=CC=CC=2)Cl)[C@@H]2[C@@H]([C@H]3OC(C)(C)O[C@H]3O2)OC(=O)C=C)=CC=CC=C1Cl DVPHDWQFZRBFND-DMHDVGBCSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000012653 anionic ring-opening polymerization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
- C08G69/14—Lactams
-
- 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
-
- 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
- C08K2003/2248—Oxides; Hydroxides of metals of copper
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention proposes a kind of foaming modifying nylon composite materials, are prepared by weight by following raw material: 1000-2000 parts of caprolactam, 700-1200 parts of rigid foam, 30-50 parts of potassium titanate crystal whisker, 20-40 parts of nano cupric oxide, 2-5 parts of TDI activator, 1-3 parts of piece alkali, 10-20 parts of nano silica, 15-30 parts of montmorillonite, 3-7 parts of reinforcing agent, 2-8 parts of lubricant and 2-5 parts of expanding material.Foaming modifying nylon composite materials produced by the present invention have the mechanical properties such as good wearability, toughness, erosion-resisting characteristics, hardness, certain industrial circles be can satisfy to the requirements at the higher level of material, it can preferably realize moulding Dai Gang, economizing on resources and reducing cost, open vast vistas for novel nylon composite materials.
Description
Technical field
The present invention relates to technical field of polymer materials, and in particular to a kind of foaming modifying nylon composite materials.
Background technique
Nylon is under alkaline condition, to be formed by caprolactam monomer through anionic ring-opening polymerization, also known as monomer casting Buddhist nun
Imperial (Monomer casting nylon), is one kind of engineering plastics.Nylon products have it is light-weight, intensity is high, self-lubricating,
Wear-resisting, anti-corrosion, a variety of special performances such as insulation, is almost applied to all industrial circles.It can directly replace part with copper, no
Metal product prepared by the materials such as steel, aluminium alloy that become rusty, " brilliant to mould Dai Gang, performance ".But nylon such as exists there is also some disadvantages
Impact strength is low under dry state and low temperature, and product size stability is poor, and strength and stiffness and metal phase are more larger than gap, present compared with
Big brittleness, is especially easier to embrittlement under cryogenic.In order to solve this problem, usually using method physically or chemically
It is modified.Patent CN102146160A discloses the introducing by lauric lactam monomer, makes the chemistry of monomer moulding casting nylon
It changes on structure and polymeric species, to achieve the purpose that toughening modifying.But modified monomer moulding casting nylon is in toughness
When being 2~3 times of conventional nylon, the used in amounts of lauric lactam monomer will reach 40% left side of caprolactam monomer mass parts
It is right.Patent CN102796256A, which is disclosed, carries out blending and modifying monomer moulding casting nylon, but crosslinked polypropylene using crosslinked polypropylene
Dosage when reaching the 5~20% of caprolactam monomer mass parts, the method makes modified monomer nylon monomer-cast nylon obtained
Impact strength improves 70% or more.
Foam has lightweight, resilience and excellent durability, and density and hardness is adjustable, and impact resistance, heat-proof quality are good etc.
Characteristic, while having and easily being cut, being perforated, bonding the performances such as processing (bibliography " application and research ", Chen Xuan, " chemical industry
Digest " 2007,1).The waste hard foam plastics generated in industrial production, it is general to be handled using the method burned, both wasted
Material, and cause environmental pollution.Patent CN101096426A disclose by after waste hard foam plastic crushing with polyether polyol,
It foams after isocyanates mixing, prepares foamed plastics finished product.103834163 B of patent CN, which is disclosed, is used for foam pair
Monomer moulding casting nylon (nylon) carries out blending and modifying, and foaming modifying nylon composite materials are made.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of foaming modifying nylon composite materials and its preparation side
Method, it is intended that a kind of foaming modifying nylon composite materials are provided, by adding rigid foam, so that composite material has
Good toughness and shock resistance effectively improve the interface cohesion effect of two-phase under expanding material effect.
The present invention provides a kind of foaming modifying nylon composite materials, is prepared from the following materials: caprolactam, hard bubble
Foam, potassium titanate crystal whisker, nano cupric oxide, TDI activator, piece alkali, nano silica, montmorillonite, reinforcing agent, lubricant and increasing
Hold agent.
As further improvement of the invention, it is prepared by weight by following raw material: caprolactam 1000-2000
Part, 700-1200 parts of rigid foam, 30-50 parts of potassium titanate crystal whisker, 20-40 parts of nano cupric oxide, 2-5 parts of TDI activator, piece alkali
1-3 parts, 10-20 parts of nano silica, 15-30 parts of montmorillonite, 3-7 parts of reinforcing agent, 2-8 parts of lubricant and 2-5 parts of expanding material.
As further improvement of the invention, it is prepared by weight by following raw material: caprolactam 1200-1800
Part, 900-1100 parts of rigid foam, 35-45 parts of potassium titanate crystal whisker, 22-38 parts of nano cupric oxide, 3-5 parts of TDI activator, piece alkali
2-3 parts, 12-17 parts of nano silica, 18-25 parts of montmorillonite, 4-7 parts of reinforcing agent, 3-6 parts of lubricant and 2-4 parts of expanding material.
As further improvement of the invention, it is prepared by weight by following raw material: 1600 parts of caprolactam, hard
1000 parts of foam, 40 parts of potassium titanate crystal whisker, 29 parts of nano cupric oxide, 4 parts of TDI activator, 2 parts of piece alkali, nano silica 15
Part, 20 parts of montmorillonite, 6 parts of reinforcing agent, 5 parts of lubricant and 3 parts of expanding material.
It is further improved as of the invention, mixture of the expanding material for carbon black and coupling agent, mass ratio 1:1,
The coupling agent is silane coupling agent or titanate coupling agent.
Improved as of the invention further, the silane coupling agent be selected from KH-550, KH-560, KH-570, KH-151,
One or more of KH-171, KH-580, KH-602, KH-792 and Sj-42.
As further improvement of the invention, the lubricant is molybdenum disulfide, atoleine, tetrafluoroethene micro mist and two
The mixture of alkyl zinc dithiophosphate, mass ratio 1:2:2:1.
As further improvement of the invention, the reinforcing agent is the mixture of carbon fiber, glass fibre and wollastonite, matter
Amount is than being 1:1:2.
The present invention further protects a kind of preparation method of above-mentioned foaming modifying nylon composite materials, makes according to the following steps
It is standby:
S1. potassium titanate crystal whisker, nano cupric oxide, nano silica and montmorillonite are mixed, is stirring evenly and then adding into increasing
After holding agent processing 1-2h, processed powder is obtained；
S2. reaction kettle is added in processed powder, caprolactam and rigid foam, is heated to melting, be dehydrated 15min,
Sodium hydroxide is added in ultrasound, continues heating reaction 3-5h under a reduced pressure, reinforcing agent, lubricant and TDI activator is added,
It sways uniformly to pour and cast from mold preheated in advance, place the mould into and heat polymerization in baking oven, stripping forming after 30min, system
Obtain foaming modifying nylon composite materials
As further improvement of the invention, the ultrasonic power is 700-1000W.
The invention has the following beneficial effects:
1. the present invention is being increased by addition rigid foam so that composite material has good toughness and shock resistance
Hold under agent effect, effectively improves the interface cohesion effect of two-phase；
2. montmorillonite and potassium titanate crystal whisker that the present invention adds, so that the vicat temperature of composite material, bending strength, hardness
It is all significantly improved with wearability than common nylon；
3. nano silica and nano cupric oxide that the present invention adds can effectively improve composite material tensile property and
Fault growth rate, so that it is with excellent mechanical property；
4. foaming modifying nylon composite materials produced by the present invention have good wearability, toughness, erosion-resisting characteristics, hardness
Etc. mechanical properties, can satisfy certain industrial circles to the requirements at the higher level of material, can preferably realize to mould Dai Gang, economize on resources
With reduce cost, open vast vistas for novel nylon composite materials.
Detailed description of the invention
Fig. 1 is the preparation flow figure of the foaming modifying nylon composite materials of the present invention.
Specific embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, the embodiment described is the embodiment of part of representative of the invention, rather than whole embodiments, this field are general
Other all embodiments obtained belong to protection of the invention to logical technical staff without making creative work
Range.
Embodiment 1
Raw material forms (parts by weight): 1000 parts of caprolactam, 700 parts of rigid foam, 30 parts of potassium titanate crystal whisker, nano oxidized
20 parts of copper, 2 parts of TDI activator, 1 part of piece alkali, 10 parts of nano silica, 15 parts of montmorillonite, 3 parts of reinforcing agent, 2 parts of lubricant and
2 parts of expanding material.
The expanding material be carbon black and coupling agent mixture, mass ratio 1:1, the coupling agent be silane coupling agent or
Titanate coupling agent KH-550.
The lubricant is the mixing of molybdenum disulfide, atoleine, tetrafluoroethene micro mist and zinc dialkyl dithiophosphate
Object, mass ratio 1:2:2:1.
The reinforcing agent is the mixture of carbon fiber, glass fibre and wollastonite, mass ratio 1:1:2.
A kind of preparation method of foaming modifying nylon composite materials, is prepared according to the following steps:
S1. potassium titanate crystal whisker, nano cupric oxide, nano silica and montmorillonite are mixed, is stirring evenly and then adding into increasing
After holding agent processing 1h, processed powder is obtained；
S2. reaction kettle is added in processed powder, caprolactam and rigid foam, is heated to melting, be dehydrated 15min,
Sodium hydroxide is added in ultrasound, ultrasonic power 700W, continues heating reaction 3h under a reduced pressure, reinforcing agent, lubricant is added
It with TDI activator, sways uniformly, pours and cast from preheated mold in advance, place the mould into and heat polymerization, 30min in baking oven
Foaming modifying nylon composite materials are made in stripping forming afterwards.
Embodiment 2
Raw material forms (parts by weight): 2000 parts of caprolactam, 1200 parts of rigid foam, 50 parts of potassium titanate crystal whisker, nano oxygen
Change 40 parts of copper, 5 parts of TDI activator, 3 parts of piece alkali, 20 parts of nano silica, 30 parts of montmorillonite, 7 parts of reinforcing agent, 8 parts of lubricant
With 5 parts of expanding material.
The expanding material be carbon black and coupling agent mixture, mass ratio 1:1, the coupling agent be silane coupling agent or
Titanate coupling agent KH-570.
The lubricant is the mixing of molybdenum disulfide, atoleine, tetrafluoroethene micro mist and zinc dialkyl dithiophosphate
Object, mass ratio 1:2:2:1.
The reinforcing agent is the mixture of carbon fiber, glass fibre and wollastonite, mass ratio 1:1:2.
A kind of preparation method of foaming modifying nylon composite materials, is prepared according to the following steps:
S1. potassium titanate crystal whisker, nano cupric oxide, nano silica and montmorillonite are mixed, is stirring evenly and then adding into increasing
After holding agent processing 2h, processed powder is obtained；
S2. reaction kettle is added in processed powder, caprolactam and rigid foam, is heated to melting, be dehydrated 15min,
Sodium hydroxide is added in ultrasound, ultrasonic power 1000W, continues heating reaction 5h under a reduced pressure, reinforcing agent, lubrication is added
Agent and TDI activator sway uniformly, pour and cast from preheated mold in advance, place the mould into and heat polymerization in baking oven,
Foaming modifying nylon composite materials are made in stripping forming after 30min.
Embodiment 3
Raw material forms (parts by weight): 1200 parts of caprolactam, 900 parts of rigid foam, 35 parts of potassium titanate crystal whisker, nano oxidized
22 parts of copper, 3 parts of TDI activator, 2 parts of piece alkali, 12 parts of nano silica, 18 parts of montmorillonite, 4 parts of reinforcing agent, 3 parts of lubricant and
2 parts of expanding material.
The expanding material be carbon black and coupling agent mixture, mass ratio 1:1, the coupling agent be silane coupling agent or
Titanate coupling agent KH-171.
The lubricant is the mixing of molybdenum disulfide, atoleine, tetrafluoroethene micro mist and zinc dialkyl dithiophosphate
Object, mass ratio 1:2:2:1.
The reinforcing agent is the mixture of carbon fiber, glass fibre and wollastonite, mass ratio 1:1:2.
A kind of preparation method of foaming modifying nylon composite materials, is prepared according to the following steps:
S1. potassium titanate crystal whisker, nano cupric oxide, nano silica and montmorillonite are mixed, is stirring evenly and then adding into increasing
After holding agent processing 1h, processed powder is obtained；
S2. reaction kettle is added in processed powder, caprolactam and rigid foam, is heated to melting, be dehydrated 15min,
Sodium hydroxide is added in ultrasound, ultrasonic power 800W, continues heating reaction 4h under a reduced pressure, reinforcing agent, lubricant is added
It with TDI activator, sways uniformly, pours and cast from preheated mold in advance, place the mould into and heat polymerization, 30min in baking oven
Foaming modifying nylon composite materials are made in stripping forming afterwards.
Embodiment 4
Raw material forms (parts by weight): 1800 parts of caprolactam, 1100 parts of rigid foam, 45 parts of potassium titanate crystal whisker, nano oxygen
Change 38 parts of copper, 5 parts of TDI activator, 3 parts of piece alkali, 17 parts of nano silica, 25 parts of montmorillonite, 7 parts of reinforcing agent, 6 parts of lubricant
With 4 parts of expanding material.
The expanding material be carbon black and coupling agent mixture, mass ratio 1:1, the coupling agent be silane coupling agent or
Titanate coupling agent Sj-42.
The lubricant is the mixing of molybdenum disulfide, atoleine, tetrafluoroethene micro mist and zinc dialkyl dithiophosphate
Object, mass ratio 1:2:2:1.
The reinforcing agent is the mixture of carbon fiber, glass fibre and wollastonite, mass ratio 1:1:2.
A kind of preparation method of foaming modifying nylon composite materials, is prepared according to the following steps:
S1. potassium titanate crystal whisker, nano cupric oxide, nano silica and montmorillonite are mixed, is stirring evenly and then adding into increasing
After holding agent processing 2h, processed powder is obtained；
S2. reaction kettle is added in processed powder, caprolactam and rigid foam, is heated to melting, be dehydrated 15min,
Sodium hydroxide is added in ultrasound, ultrasonic power 900W, continues heating reaction 4h under a reduced pressure, reinforcing agent, lubricant is added
It with TDI activator, sways uniformly, pours and cast from preheated mold in advance, place the mould into and heat polymerization, 30min in baking oven
Foaming modifying nylon composite materials are made in stripping forming afterwards.
Embodiment 5
Raw material forms (parts by weight): 1600 parts of caprolactam, 1000 parts of rigid foam, 40 parts of potassium titanate crystal whisker, nano oxygen
Change 29 parts of copper, 4 parts of TDI activator, 2 parts of piece alkali, 15 parts of nano silica, 20 parts of montmorillonite, 6 parts of reinforcing agent, 5 parts of lubricant
With 3 parts of expanding material.
The expanding material be carbon black and coupling agent mixture, mass ratio 1:1, the coupling agent be silane coupling agent or
The mixture of titanate coupling agent KH-171 and Sj-42.
The lubricant is the mixing of molybdenum disulfide, atoleine, tetrafluoroethene micro mist and zinc dialkyl dithiophosphate
Object, mass ratio 1:2:2:1.
The reinforcing agent is the mixture of carbon fiber, glass fibre and wollastonite, mass ratio 1:1:2.
A kind of preparation method of foaming modifying nylon composite materials, is prepared according to the following steps:
S1. potassium titanate crystal whisker, nano cupric oxide, nano silica and montmorillonite are mixed, is stirring evenly and then adding into increasing
After holding agent processing 1.5h, processed powder is obtained；
S2. reaction kettle is added in processed powder, caprolactam and rigid foam, is heated to melting, be dehydrated 15min,
Sodium hydroxide is added in ultrasound, ultrasonic power 850W, continues heating reaction 4h under a reduced pressure, reinforcing agent, lubricant is added
It with TDI activator, sways uniformly, pours and cast from preheated mold in advance, place the mould into and heat polymerization, 30min in baking oven
Foaming modifying nylon composite materials are made in stripping forming afterwards.
Comparative example 1
Lack rigid foam compared with Example 5.
Comparative example 2
Lack montmorillonite and potassium titanate crystal whisker compared with Example 5.
Comparative example 3
Lack nano silica and nano cupric oxide compared with Example 5.
Test case 1
The foaming modifying nylon composite materials of 1-5 of the embodiment of the present invention, comparative example 1-3 preparation and nylon are subjected to performance survey
Examination, the results are shown in Table 1.
Table 1
| Group | Tensile strength (MPa) | Impact strength (kJ/m-2) | Elongation at break (%) | Hardness (HRM) | Vicat temperature (DEG C) |
| Embodiment 1 | 105.6 | 22.1 | 74.6 | 87.1 | 235 |
| Embodiment 2 | 105.5 | 22.0 | 74.4 | 87.3 | 237 |
| Embodiment 3 | 106.7 | 22.2 | 74.8 | 87.2 | 235 |
| Embodiment 4 | 106.2 | 22.3 | 75.0 | 87.7 | 236 |
| Embodiment 5 | 107.5 | 22.5 | 75.3 | 87.9 | 238 |
| Comparative example 1 | 102.8 | 16.5 | 34.1 | 85.4 | 231 |
| Comparative example 2 | 103.3 | 21.8 | 73.1 | 80.2 | 210 |
| Comparative example 3 | 80.7 | 18.9 | 70.2 | 85.6 | 230 |
| Nylon | 74.2 | 16.1 | 30.2 | 79.7 | 208 |
Compared with prior art, the present invention is by addition rigid foam, so that composite material has good toughness and resists
Impact property effectively improves the interface cohesion effect of two-phase under expanding material effect；The montmorillonite and metatitanic acid that the present invention adds
Potassium whisker, so that the vicat temperature of composite material, bending strength, hardness and wearability are all significantly improved than common nylon；This hair
The nano silica and nano cupric oxide of bright addition can effectively improve the tensile property and fault growth rate of composite material, so that
It is with excellent mechanical property；Foaming modifying nylon composite materials produced by the present invention have good wearability, toughness, resist
The mechanical properties such as punching performance, hardness can satisfy certain industrial circles to the requirements at the higher level of material, can preferably realize to mould generation
Steel economizes on resources and reduces cost, opens vast vistas for novel nylon composite materials.
Those skilled in the art is not under conditions of departing from the spirit and scope of the present invention that claims determine, also
Various modifications can be carried out to the above content.Therefore the scope of the present invention is not limited in above explanation, but by
The range of claims determines.
Claims (10)
1. a kind of foaming modifying nylon composite materials, which is characterized in that be prepared from the following materials: caprolactam, hard bubble
Foam, potassium titanate crystal whisker, nano cupric oxide, TDI activator, piece alkali, nano silica, montmorillonite, reinforcing agent, lubricant and increasing
Hold agent.
2. a kind of foaming modifying nylon composite materials according to claim 1, which is characterized in that by weight by following raw material
It is prepared: 1000-2000 parts of caprolactam, 700-1200 parts of rigid foam, 30-50 parts of potassium titanate crystal whisker, nano cupric oxide
20-40 parts, 2-5 parts of TDI activator, 1-3 parts of piece alkali, 10-20 parts of nano silica, 15-30 parts of montmorillonite, reinforcing agent 3-7
Part, 2-8 parts of lubricant and 2-5 parts of expanding material.
3. a kind of foaming modifying nylon composite materials according to claim 2, which is characterized in that by weight by following raw material
It is prepared: 1200-1800 parts of caprolactam, 900-1100 parts of rigid foam, 35-45 parts of potassium titanate crystal whisker, nano cupric oxide
22-38 parts, 3-5 parts of TDI activator, 2-3 parts of piece alkali, 12-17 parts of nano silica, 18-25 parts of montmorillonite, reinforcing agent 4-7
Part, 3-6 parts of lubricant and 2-4 parts of expanding material.
4. a kind of foaming modifying nylon composite materials according to claim 3, which is characterized in that by weight by following raw material
It is prepared: 1600 parts of caprolactam, 1000 parts of rigid foam, 40 parts of potassium titanate crystal whisker, 29 parts of nano cupric oxide, TDI activation
4 parts of agent, 2 parts of piece alkali, 15 parts of nano silica, 20 parts of montmorillonite, 6 parts of reinforcing agent, 5 parts of lubricant and 3 parts of expanding material.
5. a kind of foaming modifying nylon composite materials according to claim 1, which is characterized in that the expanding material be carbon black and
The mixture of coupling agent, mass ratio 1:1, the coupling agent are silane coupling agent or titanate coupling agent.
6. a kind of foaming modifying nylon composite materials according to claim 5, which is characterized in that the silane coupling agent is selected from
One or more of KH-550, KH-560, KH-570, KH-151, KH-171, KH-580, KH-602, KH-792 and Sj-42.
7. a kind of foaming modifying nylon composite materials according to claim 1, which is characterized in that the lubricant is curing
Molybdenum, atoleine, tetrafluoroethene micro mist and zinc dialkyl dithiophosphate mixture, mass ratio 1:2:2:1.
8. a kind of foaming modifying nylon composite materials according to claim 1, which is characterized in that the reinforcing agent is carbon fiber
The mixture of dimension, glass fibre and wollastonite, mass ratio 1:1:2.
9. a kind of preparation method of foaming modifying nylon composite materials described in -8 any claims according to claim 1, special
Sign is, is prepared according to the following steps:
S1. potassium titanate crystal whisker, nano cupric oxide, nano silica and montmorillonite are mixed, is stirring evenly and then adding into expanding material
After handling 1-2h, processed powder is obtained；
S2. reaction kettle is added in processed powder, caprolactam and rigid foam, is heated to melting, be dehydrated 15min, it is ultrasonic,
Sodium hydroxide is added, continues heating reaction 3-5h under a reduced pressure, reinforcing agent, lubricant and TDI activator is added, sways
It is even, it pours and casts from mold preheated in advance, place the mould into and heat polymerization in baking oven, foam is made in stripping forming after 30min
Modified nylon composite material.
10. a kind of preparation method of foaming modifying nylon composite materials according to claim 9, which is characterized in that described super
Acoustical power is 700-1000W.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114618690A (en) * | 2021-08-12 | 2022-06-14 | 湖南恒诺仪器设备有限公司 | Centrifuge rotor |
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| US20140048738A1 (en) * | 2010-12-28 | 2014-02-20 | Shanghai Genius Advanced Material(Group) Co., Ltd. | Nano particle/polyamide composite material, preparation method therefor, and use thereof |
| CN103834163A (en) * | 2013-12-03 | 2014-06-04 | 广东科进尼龙管道制品有限公司 | Foam polyurethane-modified monomer casting (MC) nylon composite material and preparation method thereof |
| CN106279675A (en) * | 2015-06-11 | 2017-01-04 | 合肥杰事杰新材料股份有限公司 | A kind of potassium titanate crystal whisker modified cast nylon composite and preparation method thereof |
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2019
- 2019-03-20 CN CN201910213463.9A patent/CN110105752A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140048738A1 (en) * | 2010-12-28 | 2014-02-20 | Shanghai Genius Advanced Material(Group) Co., Ltd. | Nano particle/polyamide composite material, preparation method therefor, and use thereof |
| CN103834163A (en) * | 2013-12-03 | 2014-06-04 | 广东科进尼龙管道制品有限公司 | Foam polyurethane-modified monomer casting (MC) nylon composite material and preparation method thereof |
| CN106279675A (en) * | 2015-06-11 | 2017-01-04 | 合肥杰事杰新材料股份有限公司 | A kind of potassium titanate crystal whisker modified cast nylon composite and preparation method thereof |
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| CN114618690A (en) * | 2021-08-12 | 2022-06-14 | 湖南恒诺仪器设备有限公司 | Centrifuge rotor |
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