CN104140673A - Preparation method of high-temperature-resistant halogen-free flame retardant polyamide - Google Patents
Preparation method of high-temperature-resistant halogen-free flame retardant polyamide Download PDFInfo
- Publication number
- CN104140673A CN104140673A CN201410392740.4A CN201410392740A CN104140673A CN 104140673 A CN104140673 A CN 104140673A CN 201410392740 A CN201410392740 A CN 201410392740A CN 104140673 A CN104140673 A CN 104140673A
- Authority
- CN
- China
- Prior art keywords
- preparation
- district
- parts
- screw extruder
- free flame
- 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.)
- Granted
Links
- 238000002360 preparation method Methods 0.000 title claims abstract description 33
- 239000003063 flame retardant Substances 0.000 title claims abstract description 24
- 239000004952 Polyamide Substances 0.000 title abstract description 5
- 229920002647 polyamide Polymers 0.000 title abstract description 5
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 title abstract 3
- 239000000463 material Substances 0.000 claims abstract description 25
- 239000003607 modifier Substances 0.000 claims abstract description 21
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000003365 glass fiber Substances 0.000 claims abstract description 12
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims abstract description 10
- 239000011347 resin Substances 0.000 claims abstract description 10
- 229920005989 resin Polymers 0.000 claims abstract description 10
- 229920003189 Nylon 4,6 Polymers 0.000 claims abstract description 7
- 239000000347 magnesium hydroxide Substances 0.000 claims abstract description 6
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims abstract description 6
- 229920002302 Nylon 6,6 Polymers 0.000 claims abstract description 3
- 238000005469 granulation Methods 0.000 claims description 26
- 230000003179 granulation Effects 0.000 claims description 26
- 229920002521 macromolecule Polymers 0.000 claims description 19
- 150000001408 amides Chemical class 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 13
- 239000004743 Polypropylene Substances 0.000 claims description 9
- -1 polypropylene Polymers 0.000 claims description 9
- 229920001155 polypropylene Polymers 0.000 claims description 9
- 239000003112 inhibitor Substances 0.000 claims description 7
- 230000003647 oxidation Effects 0.000 claims description 7
- 238000007254 oxidation reaction Methods 0.000 claims description 7
- 229920001971 elastomer Polymers 0.000 claims description 6
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 6
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 6
- 238000005453 pelletization Methods 0.000 claims description 6
- 239000005060 rubber Substances 0.000 claims description 6
- 229920001897 terpolymer Polymers 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 2
- 229910052736 halogen Inorganic materials 0.000 abstract description 4
- 150000002367 halogens Chemical class 0.000 abstract description 4
- 239000008187 granular material Substances 0.000 abstract 2
- 239000003963 antioxidant agent Substances 0.000 abstract 1
- 230000003078 antioxidant effect Effects 0.000 abstract 1
- 238000005303 weighing Methods 0.000 abstract 1
- 239000011787 zinc oxide Substances 0.000 abstract 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N zinc oxide Inorganic materials [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 abstract 1
- 239000004677 Nylon Substances 0.000 description 12
- 229920001778 nylon Polymers 0.000 description 12
- 235000012254 magnesium hydroxide Nutrition 0.000 description 7
- 239000000956 alloy Substances 0.000 description 4
- 229920006351 engineering plastic Polymers 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical group [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 229920003656 Daiamid® Polymers 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920006122 polyamide resin Polymers 0.000 description 2
- 230000000979 retarding effect Effects 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N Propene Chemical group CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 description 1
- 230000036314 physical performance Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- 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
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
-
- 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
- C08K2201/002—Physical properties
- C08K2201/004—Additives being defined by their length
-
- 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
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/22—Halogen free composition
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a preparation method of high-temperature-resistant halogen-free flame retardant polyamide and belongs to the technical field of preparation of high molecular materials. The preparation method comprises the following steps: self-preparing a macromolecular interface modifier; weighing and mixing 45-50 parts of nylon 66 resin, 30-35 parts of nylon 46 resin, 5-8 parts of the macromolecular interface modifier and 10-15 parts of magnesium hydroxide in a high speed mixer for 3 minutes to 5 minutes; then, adding 10-12 parts of chopped glass fibers, 0.5-0.8 part of an antioxidant and 1-2 parts of nano-zinc oxide, and continuously mixing for 5 minutes-8 minutes to obtain a granulated material; and putting the granulated material into a twin-screw extruder to be fused and extruded, and controlling the temperatures of regions I to XII of the twin-screw extruder to obtain the product, namely the high-temperature-resistant halogen-free flame retardant polyamide. The preparation method disclosed by the invention is simple and convenient to operate, and the product is low in density, halogen-free, green and environment-friendly and high in high-temperature resistance, can fully replace low-end halogen-containing flame retardant polyamide materials in the market at present, and has a very high market value.
Description
Background technology
The present invention relates to field of polymer material preparing technology, specifically, relate to a kind of preparation method of high temperature resistant halogen-free flame-retardant polymeric amide.
Background technology
Polymeric amide (PA is commonly called as nylon) is that in five large-engineering plastics, consumption is maximum, kind is maximum, the oldest a kind of engineering plastics of qualification, and output occupies first of five large general engineering plastic.Engineering plastics have good over-all properties with polymeric amide, intensity, higher than metal, has good mechanical property, thermotolerance, wearability, chemical resistant properties, flame retardant resistance and self lubricity, and easily processing, frictional coefficient is low, so be widely used in electronics-electric field.Because the flame retardant properties of polymeric amide itself generally can only reach UL94V-2 level, so be applied to the polymeric amide in electric field, need to improve its flame retardant properties through modification.
In order to make nylon material possess certain flame retardant resistance, thereby conventionally add halogen containing flame-retardant, thereby while causing burning, produce a large amount of toxic smogs, fact proved, in fire failure, what cause the massive loss of life is not big fire itself, but toxic smog makes to be choked to death by besieging personnel.Therefore, the environmental protection class material of halogen-free flameproof is future developing trend.
Through retrieval, Chinese patent ZL201210127324.2, denomination of invention: the preparation method of the nylon alloy material of modification, comprise the following steps: take by weight nylon 1212 resin 50-58 part, ethylene-octene resin 25-30 part, coupling agent 0.6-1.1 part and filler 25-36 part, and mix in input high-speed mixer, then drop into oxidation inhibitor 0.3-0.9 part, short glass fiber 30-38 part and the stearic amide 0.3-0.6 part taking by weight, and continue to mix, obtain granulation material; The granulation material obtaining is dropped in twin screw extruder and melt extruded, and control the temperature in Zhi Qi district, twin screw extruder Yi district, obtain the nylon alloy material of modification.Nylon alloy material in this patent has good toughness and has eliminated the situation of impacting cracking, but the filler of this nylon and gold copper-base alloy is calcium carbonate, and flame retardant properties is not fine.
Chinese patent ZL200710074664.2, polyamide resin of a kind of halogen-free phosphor-free environmental protection inflaming retarding and preparation method thereof is disclosed, although the polyamide resin in this patent has been realized halogen-free phosphorus-free inflaming retarding, the resistance to elevated temperatures of this product does not have digital proof, and resistance to elevated temperatures is also uncertain.
Summary of the invention
The technical problem that 1, will solve
The preparation method who the object of this invention is to provide a kind of polymeric amide, polymeric amide prepared by the method can improve high-temperature resistant result, embody environmental protection, and this product also possesses good mechanical and physical performance simultaneously.
2, technical scheme
For achieving the above object, the present invention adopts following technical scheme:
A preparation method for high temperature resistant halogen-free flame-retardant polymeric amide, comprises the following steps:
Step 1, the preparation of macromolecule interfacial modifier, polipropene 25-30 part, terpolymer EP rubber 15-25 part, ethylene group bis-stearamides 8-10 part, maleic anhydride inoculated polypropylene 5-8 part of taking weight part mix in high-speed mixer, be placed in again twin screw extruder extruding pelletization, obtain macromolecule interfacial modifier;
Step 2, preparation granulation material, Nylon 66 45-50 part, nylon 46 resin 30-35 part, macromolecule interfacial modifier 5-8 part and magnesium hydroxide 10-15 part of taking weight part are mixed 3-5min in high-speed mixer, add again short glass fiber 10-12 part, oxidation inhibitor 0.5-0.8 part and nano zine oxide 1-2 part, continue to mix 5-8min, obtain granulation material;
Step 3, granulation, drops into the granulation material being obtained by step 2 in twin screw extruder and melt extrudes, and controls the temperature in Zhi Qi district, twin screw extruder Yi district, obtains product.
Further, the mixing machine mixing condition in described step 1 is, time 8-10min, and rotating speed 1500r/min-2000r/min, the mixing rotating speed in step 2 is 2500r/min-3000r/min.
Further, the particle diameter of described magnesium hydroxide is 0.5-10 micron.
Further, described step 3 kind the temperature in Zhi Qi district, control twin screw extruder Yi district be: 255 ℃, a district, 260 ℃, 2nd district, 265 ℃, 3rd district, 270 ℃, 4th district, 275 ℃, 5th district, 270 ℃, 275 ℃He 7th district, 6th districts.
Further, described short glass fiber is that length is the alkali-free short glass fiber of 3mm.
3, beneficial effect:
Macromolecule interfacial modifier of the present invention can effectively increase the consistency of nylon and magnesium hydroxide, and increases its mechanical property; Daiamid composition prepared by the present invention has following performance index: tensile strength is greater than 110MPa, and flexural strength is greater than 210MPa, and flame retardant resistance reaches V-0 (UL-94-1.6mm), and heat resistance is higher than 230 ℃, density: 1.25g/cm
3; Preparation method of the present invention is simple, handled easily and product low density, Halogen, environmental protection, resistance to elevated temperatures is high, all can replace the Halogen Flameproof polyamide material of low side in the market completely, there is very high marketable value, can be applied in household electrical appliances, automobile etc. to heatproof and the fire-retardant field that has requirement, as electrical appliance kit, the interior electric elements of engine room etc.
Embodiment
Below in conjunction with embodiment, the present invention will be further described in detail.
Embodiment 1
A preparation method for high temperature resistant halogen-free flame-retardant polymeric amide, comprises the following steps:
Step 1, the preparation of macromolecule interfacial modifier, 5 parts of 8 parts of 15 parts of polipropene 25 part, terpolymer EP rubbers, ethylene group bis-stearamides, maleic anhydride inoculated polypropylenes taking weight part mix in high-speed mixer, time 8min, rotating speed 1500r/min, be placed in again twin screw extruder extruding pelletization, obtain macromolecule interfacial modifier;
Step 2, preparation granulation material, take 10 parts of 5 parts of 30 parts of 45 parts of Nylon 66s, nylon 46 resins, the macromolecule interfacial modifiers of weight part and magnesium hydroxides and in high-speed mixer, mix 3-5min, add again 1 part of 10 parts of short glass fibers, 0.5 part, oxidation inhibitor and nano zine oxide, continue to mix 5min, obtain granulation material;
Step 3, granulation, drops into the granulation material being obtained by step 2 in twin screw extruder and melt extrudes, and controls the temperature in Zhi Qi district, twin screw extruder Yi district, obtains product.
Embodiment 2
A preparation method for high temperature resistant halogen-free flame-retardant polymeric amide, comprises the following steps:
Step 1, the preparation of macromolecule interfacial modifier, 8 parts of 10 parts of 25 parts of 30 parts of polypropylene, terpolymer EP rubbers, ethylene group bis-stearamides, maleic anhydride inoculated polypropylenes taking weight part mix in high-speed mixer, time 10min, rotating speed 2000r/min, be placed in again twin screw extruder extruding pelletization, obtain macromolecule interfacial modifier;
Step 2, preparation granulation material, take 15 parts of 8 parts of 35 parts of 50 parts of Nylon 66s, nylon 46 resins, the macromolecule interfacial modifiers of weight part and magnesium hydroxides and in high-speed mixer, mix 5min, add again 2 parts of 12 parts of short glass fibers, 0.8 part, oxidation inhibitor and nano zine oxides, continue to mix 8min, obtain granulation material;
Step 3, granulation, drops into the granulation material being obtained by step 2 in twin screw extruder and melt extrudes, and controls the temperature in Zhi Qi district, twin screw extruder Yi district, obtains product.
Embodiment 3
A preparation method for high temperature resistant halogen-free flame-retardant polymeric amide, comprises the following steps:
Step 1, the preparation of macromolecule interfacial modifier, 6 parts of 9 parts of 15 parts of 30 parts of polypropylene, terpolymer EP rubbers, ethylene group bis-stearamides, maleic anhydride inoculated polypropylenes taking weight part mix in high-speed mixer, be placed in again twin screw extruder extruding pelletization, obtain macromolecule interfacial modifier;
Step 2, preparation granulation material, take 12 parts of 6 parts of 30 parts of 50 parts of Nylon 66s, nylon 46 resins, the macromolecule interfacial modifiers of weight part and magnesium hydroxides and in high-speed mixer, mix 4min, add again 1 part of 11 parts of short glass fibers, 0.6 part, oxidation inhibitor and nano zine oxide, continue to mix 7min, obtain granulation material;
Step 3, granulation, drops into the granulation material being obtained by step 2 in twin screw extruder and melt extrudes, and controls the temperature in Zhi Qi district, twin screw extruder Yi district, obtains product.
Embodiment 4
A preparation method for high temperature resistant halogen-free flame-retardant polymeric amide, comprises the following steps:
Step 1, the preparation of macromolecule interfacial modifier, 7 parts of 9 parts of 20 parts of 27 parts of polypropylene, terpolymer EP rubbers, ethylene group bis-stearamides, maleic anhydride inoculated polypropylenes taking weight part mix in high-speed mixer, be placed in again twin screw extruder extruding pelletization, obtain macromolecule interfacial modifier;
Step 2, preparation granulation material, take 12 parts of 7 parts of 32 parts of 47 parts of Nylon 66s, nylon 46 resins, the macromolecule interfacial modifiers of weight part and magnesium hydroxides and in high-speed mixer, mix 4min, add again 2 parts of 11 parts of short glass fibers, 0.7 part, oxidation inhibitor and nano zine oxides, continue to mix 6min, obtain granulation material;
Step 3, granulation, drops into the granulation material being obtained by step 2 in twin screw extruder and melt extrudes, and controls the temperature in Zhi Qi district, twin screw extruder Yi district, obtains product.
The daiamid composition being obtained by above-described embodiment has the technique effect shown in following table after tested.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention.All any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (5)
1. a preparation method for high temperature resistant halogen-free flame-retardant polymeric amide, is characterized in that: comprise the following steps:
Step 1, the preparation of macromolecule interfacial modifier, polipropene 25-30 part, terpolymer EP rubber 15-25 part, ethylene group bis-stearamides 8-10 part, maleic anhydride inoculated polypropylene 5-8 part of taking weight part mix in high-speed mixer, be placed in again twin screw extruder extruding pelletization, obtain macromolecule interfacial modifier;
Step 2, preparation granulation material, Nylon 66 45-50 part, nylon 46 resin 30-35 part, macromolecule interfacial modifier 5-8 part and magnesium hydroxide 10-15 part of taking weight part are mixed 3-5min in high-speed mixer, add again short glass fiber 10-12 part, oxidation inhibitor 0.5-0.8 part and nano zine oxide 1-2 part, continue to mix 5-8min, obtain granulation material;
Step 3, granulation, drops into the granulation material being obtained by step 2 in twin screw extruder and melt extrudes, and controls the temperature in Zhi Qi district, twin screw extruder Yi district, obtains product.
2. the preparation method of a kind of high temperature resistant halogen-free flame-retardant polymeric amide as claimed in claim 1, it is characterized in that: the mixing machine mixing condition in described step 1 is, time 8-10min, rotating speed 1500r/min-2000r/min, the mixing rotating speed in step 2 is 2500r/min-3000r/min.
3. the preparation method of a kind of high temperature resistant halogen-free flame-retardant polymeric amide as claimed in claim 1, is characterized in that: the particle diameter of described magnesium hydroxide is 0.5-10 micron.
4. the preparation method of a kind of high temperature resistant halogen-free flame-retardant polymeric amide as claimed in claim 1, is characterized in that: described step 3 kind the temperature in Zhi Qi district, control twin screw extruder Yi district be: 255 ℃, a district, 260 ℃, 2nd district, 265 ℃, 3rd district, 270 ℃, 4th district, 275 ℃, 5th district, 270 ℃, 275 ℃He 7th district, 6th districts.
5. the preparation method of a kind of high temperature resistant halogen-free flame-retardant polymeric amide as claimed in claim 1, is characterized in that: described short glass fiber is that length is the alkali-free short glass fiber of 3mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410392740.4A CN104140673B (en) | 2014-08-11 | 2014-08-11 | A kind of preparation method of high temperature resistant halogen-free flame-retardant polyamide |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410392740.4A CN104140673B (en) | 2014-08-11 | 2014-08-11 | A kind of preparation method of high temperature resistant halogen-free flame-retardant polyamide |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104140673A true CN104140673A (en) | 2014-11-12 |
CN104140673B CN104140673B (en) | 2016-08-10 |
Family
ID=51850020
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410392740.4A Expired - Fee Related CN104140673B (en) | 2014-08-11 | 2014-08-11 | A kind of preparation method of high temperature resistant halogen-free flame-retardant polyamide |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104140673B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104592751A (en) * | 2014-12-10 | 2015-05-06 | 苏州博利迈新材料科技有限公司 | Halogen-free flame retardant reinforced nylon 612 composite material, preparation method and application thereof |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101423666A (en) * | 2008-10-31 | 2009-05-06 | 广东新会美达锦纶股分有限公司 | Halogen-free flame retardant polyamide 6 composition |
CN102108208A (en) * | 2009-12-29 | 2011-06-29 | 合肥杰事杰新材料有限公司 | High-strength flame-retardant polyamide composite material and preparation method |
CN102558855A (en) * | 2012-02-14 | 2012-07-11 | 株洲时代工程塑料制品有限责任公司 | Modified nylon resin composition |
CN102993735A (en) * | 2012-08-22 | 2013-03-27 | 常熟市筑紫机械有限公司 | Preparation method of halogen-free flame-retardant nylon 610 and polypropylene alloy composite material |
CN103113738A (en) * | 2013-02-03 | 2013-05-22 | 广东安帝斯智能家具组件有限公司 | Special engineering nylon material for environment-friendly furniture connecting piece and preparation method thereof |
CN103540013A (en) * | 2012-07-16 | 2014-01-29 | 上海杰事杰新材料(集团)股份有限公司 | Nylon 6/polypropylene plastic alloy and preparation method thereof |
-
2014
- 2014-08-11 CN CN201410392740.4A patent/CN104140673B/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101423666A (en) * | 2008-10-31 | 2009-05-06 | 广东新会美达锦纶股分有限公司 | Halogen-free flame retardant polyamide 6 composition |
CN102108208A (en) * | 2009-12-29 | 2011-06-29 | 合肥杰事杰新材料有限公司 | High-strength flame-retardant polyamide composite material and preparation method |
CN102558855A (en) * | 2012-02-14 | 2012-07-11 | 株洲时代工程塑料制品有限责任公司 | Modified nylon resin composition |
CN103540013A (en) * | 2012-07-16 | 2014-01-29 | 上海杰事杰新材料(集团)股份有限公司 | Nylon 6/polypropylene plastic alloy and preparation method thereof |
CN102993735A (en) * | 2012-08-22 | 2013-03-27 | 常熟市筑紫机械有限公司 | Preparation method of halogen-free flame-retardant nylon 610 and polypropylene alloy composite material |
CN103113738A (en) * | 2013-02-03 | 2013-05-22 | 广东安帝斯智能家具组件有限公司 | Special engineering nylon material for environment-friendly furniture connecting piece and preparation method thereof |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104592751A (en) * | 2014-12-10 | 2015-05-06 | 苏州博利迈新材料科技有限公司 | Halogen-free flame retardant reinforced nylon 612 composite material, preparation method and application thereof |
Also Published As
Publication number | Publication date |
---|---|
CN104140673B (en) | 2016-08-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101645319B (en) | Environment-friendly heatproof composite elastic cable material for wires and cables and preparation method thereof | |
CN103571187B (en) | High-performance, environment-friendly flame retardant reinforced plastic PA66 composite material preparation process | |
CN106380838B (en) | Flame retardant type polyamide-based Heat Conduction Material and preparation method thereof and in the application for preparing LED heat transmission plastics | |
CN102108189B (en) | Polybutylece terephthalate (PBT)/poly(ethylene terephthalate) (PET) alloy material and preparation method thereof | |
WO2015043122A1 (en) | Zero halogen sheath material for 125°c irradiation cross-linked epcv photovoltaics, and method for preparation thereof | |
CN105348646B (en) | A kind of modified polypropene base electric cable material with low smoke and halogen free and preparation method | |
CN103289164A (en) | Flame-retardant polymer antistatic plastic | |
CN101805508A (en) | Halogen-free fire-retardant polyphenyl ether composition capable of improving low-temperature toughness and preparation method thereof | |
CN104231575A (en) | Halogen-free and phosphorus-free PBT enhanced composite material and preparation method thereof | |
CN102898715B (en) | Extremely temperature sensitive halogen-free and low smoke flame retardant plastic alloy for cables and preparation method thereof | |
CN102093688A (en) | High-performance halogen-free flame-retardant PC (polycarbonate)/ABS (acrylonitrile-butadiene-styrene) alloy and preparation method thereof | |
CN103073809B (en) | High-impact high-weather-resistance environmental-friendly brominated flame-retardant ASA material and preparation method and application thereof | |
CN109762223A (en) | Manufacturing process for low smoke and non-toxic Flame-Retardant and Oil-Resistant type CABLE MATERIALS | |
CN109280299B (en) | Low-smoke low-halogen PVC (polyvinyl chloride) granules and preparation method thereof | |
CN103073775A (en) | Preparation method for environment-friendly anti-flaming anti-static polyethylene pipeline | |
CN104693793A (en) | Flame-retardant reinforced nylon composite material and preparation method thereof | |
CN105237892A (en) | Cold-resistance flame-retardant cable sheath material and preparation method thereof | |
CN109851976A (en) | Modified TPE fire-resistant cable material of a kind of Halogen and preparation method thereof | |
CN104140673A (en) | Preparation method of high-temperature-resistant halogen-free flame retardant polyamide | |
CN102964682B (en) | BDDP (Benzene-1,(1-methyl-eehylidene)bis[(3,-5di-bromo)-4-(2,3-dibrono-propoxy)]) inflaming-retarding polypropylene composite material and preparation method thereof | |
CN102604236A (en) | High-glow-wire flame-retardant polypropylene material for fan heater casing and preparation method for same | |
CN112226030A (en) | Toughened high-fluidity high-weather-resistance flame-retardant ASA material and preparation method thereof | |
CN104672862A (en) | Halogen-free phosphate-free flame-retardant master batch for polycarbonate (PC) engineering plastic | |
CN103509261A (en) | Non-flame spread CPE rubber sheath material and preparation method thereof | |
CN102977479A (en) | Preparation method for dynamic cross-linking flame retardant chlorinated polyethylene thermoplastic elastomer |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 |