CN108892936A - A kind of High glow wire halogen-free flame retardant PBT-EPDM-PP alloy material and preparation method thereof - Google Patents
A kind of High glow wire halogen-free flame retardant PBT-EPDM-PP alloy material and preparation method thereof Download PDFInfo
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- CN108892936A CN108892936A CN201810841537.9A CN201810841537A CN108892936A CN 108892936 A CN108892936 A CN 108892936A CN 201810841537 A CN201810841537 A CN 201810841537A CN 108892936 A CN108892936 A CN 108892936A
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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
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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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
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/322—Ammonium phosphate
- C08K2003/323—Ammonium polyphosphate
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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
- C08L2201/02—Flame or fire retardant/resistant
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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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- 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
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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
- 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
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
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- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The present invention relates to technical field of polymer composite materials, and in particular to a kind of High glow wire halogen-free flame retardant PBT-EPDM-PP alloy material, including below by the raw material of weight percent meter：PBT45~60%, EPDM 5~15%, PP 10~25%, compatilizer 2~6%, intumescent system fire retardant 10~25%, phosphorus flame retardant 2~8%, fire retarding synergist 1~5%, antioxidant 0.2~0.5%, lubricant 0.2~0.5%.The invention also discloses a kind of preparation methods of alloy material, including raw material is weighed, stirred, melt pelletization.The present invention adds compatilizer in the feed, makes each component in raw material by that can be combined into stabilized mixture, improve the mechanical performance of alloy material by the molecular link resultant force between component.In preparation method, by control high mixer whipping process in heating temperature and heating time, will not destroy between raw material components molecular link resultant force and meanwhile improve intermolecular activity, so that each component is stirred.
Description
Technical field
The present invention relates to technical field of polymer composite materials, and in particular to a kind of High glow wire halogen-free flame retardant PBT-
EPDM-PP alloy material and preparation method thereof.
Background technique
PBT be it is a kind of crystallization, line style saturated polyester.It has excellent mechanical property, electric property, it is resistant to chemical etching,
The features such as easily molded and hydroscopicity is low is a kind of thermoplastic engineering plastic of high comprehensive performance, be widely used in electronic apparatus,
The fields such as household electrical appliances and automobile.But pure PBT resin there are it is fire-retardant it is bad, notch shock is low, the low disadvantage of heat distortion temperature, especially
IEC organizes (International Power association of European Union) to propose in IEC60695 household and similar security appliance standard, long-term unattended
Electric appliance must satisfy using the flame retardant property of plastic part：It is not on fire in UL94V-0 grades and 750 DEG C of glowing filament contact material 30s
Or burning time is less than 5s, i.e. glow wire ignition temperature (GWIT) is greater than 750 DEG C.For connector, contact-making switch, motor and break
The particular elements such as road device shell then also require 950 DEG C of 850 DEG C of GWIT temperature and the flammable index of glowing filament (GWFI).
Summary of the invention
It is an object of the invention to overcome problems of the prior art, a kind of High glow wire halogen-free flame retardant PBT- is provided
EPDM-PP alloy material, it may be implemented to provide a kind of PBT-EPDM-PP alloy material, by adding novel component raw material,
850 DEG C of GWIT temperature, excellent in flame retardance and good mechanical properties can be tested by glowing filament, improve the tough of material
Property, impact resistance, lower temperature resistance, in addition a kind of preparation method is also provided, by the preparation method, made molten between alloy material
Melt Du Genggao, the alloy material produced has excellent anti-flammability and good mechanical performance.
To realize above-mentioned technical purpose and the technique effect, the present invention is achieved by the following technical solutions：
A kind of High glow wire halogen-free flame retardant PBT-EPDM-PP alloy material comprising below by the original of weight percent meter
Material：
45~60% EPDM of PBT, 5~15% PP 10~25%
2~6% intumescent system fire retardant of compatilizer, 10~25% phosphorus flame retardant 2~8%
1~5% antioxidant of fire retarding synergist, 0.2~0.5% lubricant 0.2~0.5%.
Further, the PBT is poly- terephthaldehyde's ester butanediol ester, and characteristic is low-viscosity polyester resin, viscosity
For 0.35~0.7dL g.
Further, the EPDM is powdered.
Further, the PP is the K8003 trade mark.
Further, the compatilizer is ethylene-methyl methacrylate butyl ester-glycidyl acrylate copolymer.
Further, the intumescent system fire retardant is the ammonium polyphosphate of melamine resin cladding, melamine cyanurate
Or melamine, pentaerythrite or triazines carbon forming agent, wherein the ratio of each component is 70：17：13.
Further, the phosphorus flame retardant is red phosphorus, organophosphorus ester, 2- carboxyethyl phenyl hypophosphites, hypophosphorous acid
The one or more of salt, the fire retarding synergist are nanoscale, are one of boehmite, montmorillonite, silica
Or it is two or more, the antioxidant is one or more of 168,1010,1098,198.
Further, the lubricant is one or more of EBS, PETS, silicone master batch, polyethylene wax.
A kind of preparation method of High glow wire halogen-free flame retardant PBT-EPDM-PP alloy material, includes the following steps：
Step 1, raw material weigh：By PBT, EPDM, PP, compatilizer, intumescent system fire retardant, phosphorus flame retardant, fire-retardant association
Effect agent, antioxidant, lubricant are weighed by weight percentage；
Step 2, stirring：Raw material after weighing is poured into high mixer and is stirred evenly in a heated condition, wherein fire-bar
Part is：Heating temperature is 220~310 °, heating time is 15~35min；
Step 3, melt pelletization：Mixture after mixing evenly is poured into parallel double-screw extruder from feeding port, by
Parallel double-screw extruder carries out melt pelletization, and the technological parameter of the parallel double-screw extruder is：One area's temperature 200~
220 DEG C, two 220~240 DEG C of area's temperature, three 220~240 DEG C of area's temperature, four 210~230 DEG C of area's temperature, five area's temperature 210~
230 DEG C, six 210~230 DEG C of area's temperature, seven 200~220 DEG C of area's temperature, eight 190~210 DEG C of area's temperature, nine area's temperature 210~
230 DEG C, 220~240 DEG C of head temperature, 240~400r/min of screw speed, inside vacuumizes.
Beneficial effect of the present invention：1, compatilizer is added in the feed, passes through each component in raw material by point between component
Sub-key resultant force, can be combined into stabilized mixture, improve the mechanical performance of alloy material；EPDM is added in the feed, makes to be made
Alloy material have excellent anti-aging property；PP is added in the feed, there is alloy material obtained excellent heat-resisting
Property, corrosion resistance；Antioxidant is added in the feed, makes alloy material during the preparation process, prevents the thermal oxide point between component
Solution convenient for the preparation of alloy material, and improves the anti-aging property that alloy material is made simultaneously；Fire-retardant synergistic is added in the feed
Agent, intumescent system fire retardant, phosphorus flame retardant make alloy material have excellent flame retardant property, and will not reduce alloy material simultaneously
The mechanical performance of material, the viscosity of PBT be 0.35~0.7dL g, poly- terephthaldehyde's ester butanediol ester under this viscosity has excellent
Mouldability；
2, in preparation method, by control high mixer whipping process in heating temperature and heating time, make to stir
In the process, will not destroy between raw material components molecular link resultant force and meanwhile improve intermolecular activity, so that each component is sufficiently stirred
It mixes uniformly；Head temperature, screw speed in the technological parameter of parallel double-screw extruder are defined, melt pelletization process is made
In, raw material components can be melted sufficiently, and the degree of mixing between component is improved；By parallel double-screw extruder inner pumping, make original
It is sufficiently plasticized between material component, raising is prepared into power, and the preparation method is simple to operation, conveniently accomplishes scale production.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below will
Technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only the present invention
A part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
All other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.
Embodiment 1
A kind of High glow wire halogen-free flame retardant PBT-EPDM-PP alloy material comprising below by the original of weight percent meter
Material：
55% EPDM of PBT, 8% PP 13%
3% intumescent system fire retardant of compatilizer, 12% phosphorus flame retardant 6%
2.4% antioxidant of fire retarding synergist, 0.25% lubricant 0.35%.
The PBT be poly- terephthaldehyde's ester butanediol ester, characteristic be low-viscosity polyester resin, viscosity be 0.35~
0.7dL\g。
The EPDM is powdered.
The PP is the K8003 trade mark.
The compatilizer is ethylene-methyl methacrylate butyl ester-glycidyl acrylate copolymer.
The intumescent system fire retardant be melamine resin cladding ammonium polyphosphate, melamine cyanurate, triazines at
Charcoal agent, wherein the ratio of each component is 70：17：13.
The phosphorus flame retardant is the composition of 2- carboxyethyl phenyl hypophosphites, hypophosphites.
The fire retarding synergist is nanoscale, is boehmite, silicon dioxide compositions.
The antioxidant is 168.
The lubricant is EBS, polyethylene wax mixture.
Embodiment 2
A kind of High glow wire halogen-free flame retardant PBT-EPDM-PP alloy material comprising below by the original of weight percent meter
Material：
55% EPDM of PBT, 5% PP 13%
5% intumescent system fire retardant of compatilizer, 13% phosphorus flame retardant 6%
2.4% antioxidant of fire retarding synergist, 0.25% lubricant 0.35%.
The PBT, EPDM, PP, compatilizer, intumescent system fire retardant, phosphorus flame retardant, fire retarding synergist, lubricant ginseng
According to embodiment 1.
The antioxidant is 168,1010 compositions.
Embodiment 3
A kind of High glow wire halogen-free flame retardant PBT-EPDM-PP alloy material comprising below by the original of weight percent meter
Material：
55% EPDM of PBT, 13% PP 7%
5% intumescent system fire retardant of compatilizer, 11% phosphorus flame retardant 6%
2.4% antioxidant of fire retarding synergist, 0.25% lubricant 0.35%.
The PBT, EPDM, PP, compatilizer, phosphorus flame retardant, fire retarding synergist, antioxidant, lubricant are referring to embodiment
1。
The intumescent system fire retardant is the ammonium polyphosphate of melamine resin cladding, melamine, pentaerythrite, wherein each group
The ratio divided is 70：17：13.
A kind of preparation method of High glow wire halogen-free flame retardant PBT-EPDM-PP alloy material is also provided, is included the following steps：
Step 1, raw material weigh：By PBT, EPDM, PP, compatilizer, intumescent system fire retardant, phosphorus flame retardant, fire-retardant association
Effect agent, antioxidant, lubricant are weighed by weight percentage；
Step 2, stirring：Raw material after weighing is poured into high mixer and is stirred evenly in a heated condition, wherein fire-bar
Part is：Heating temperature is 220~310 °, heating time is 15~35min；
Step 3, melt pelletization：Mixture after mixing evenly is poured into parallel double-screw extruder from feeding port, by
Parallel double-screw extruder carries out melt pelletization.
The technological parameter of the parallel double-screw extruder is：One 200~220 DEG C of area's temperature, two area's temperature 220~240
DEG C, three 220~240 DEG C of area's temperature, four 210~230 DEG C of area's temperature, five 210~230 DEG C of area's temperature, six area's temperature 210~230
DEG C, seven 200~220 DEG C of area's temperature, eight 190~210 DEG C of area's temperature, nine 210~230 DEG C of area's temperature, head temperature 220~240
DEG C, 240~400r/min of screw speed, inside vacuumizes.
Following table is the properties test result of embodiment 1-3：
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (9)
1. a kind of High glow wire halogen-free flame retardant PBT-EPDM-PP alloy material, which is characterized in that it includes below by weight percent
Than the raw material of meter：
45~60% EPDM of PBT, 5~15% PP 10~25%
2~6% intumescent system fire retardant of compatilizer, 10~25% phosphorus flame retardant 2~8%
1~5% antioxidant of fire retarding synergist, 0.2~0.5% lubricant 0.2~0.5%.
2. a kind of High glow wire halogen-free flame retardant PBT-EPDM-PP alloy material according to claim 1, which is characterized in that
The PBT be poly- terephthaldehyde's ester butanediol ester, characteristic be low-viscosity polyester resin, viscosity be 0.35~0.7dL g.
3. a kind of High glow wire halogen-free flame retardant PBT-EPDM-PP alloy material according to claim 1, which is characterized in that
The EPDM is powdered.
4. a kind of High glow wire halogen-free flame retardant PBT-EPDM-PP alloy material according to claim 1, which is characterized in that
The PP is the K8003 trade mark.
5. a kind of High glow wire halogen-free flame retardant PBT-EPDM-PP alloy material according to claim 1, which is characterized in that
The compatilizer is ethylene-methyl methacrylate butyl ester-glycidyl acrylate copolymer.
6. a kind of High glow wire halogen-free flame retardant PBT-EPDM-PP alloy material according to claim 1, which is characterized in that
The intumescent system fire retardant is ammonium polyphosphate, melamine cyanurate or the melamine of melamine resin cladding, Ji Wusi
Alcohol or triazines carbon forming agent, wherein the ratio of each component is 70：17：13.
7. a kind of High glow wire halogen-free flame retardant PBT-EPDM-PP alloy material according to claim 1, which is characterized in that
The phosphorus flame retardant be red phosphorus, organophosphorus ester, 2- carboxyethyl phenyl hypophosphites, hypophosphites it is one or two kinds of with
On, the fire retarding synergist is nanoscale, described anti-for one or more of boehmite, montmorillonite, silica
Oxygen agent is one or more of 168,1010,1098,198.
8. a kind of High glow wire halogen-free flame retardant PBT-EPDM-PP alloy material according to claim 1, which is characterized in that
The lubricant is one or more of EBS, PETS, silicone master batch, polyethylene wax.
9. a kind of preparation method of High glow wire halogen-free flame retardant PBT-EPDM-PP alloy material according to claim 1,
It is characterized in that, includes the following steps：
Step 1, raw material weigh：By PBT, EPDM, PP, compatilizer, intumescent system fire retardant, phosphorus flame retardant, fire retarding synergist,
Antioxidant, lubricant are weighed by weight percentage；
Step 2, stirring：Raw material after weighing is poured into high mixer and is stirred evenly in a heated condition, wherein heating condition is：
Heating temperature is 220~310 °, heating time is 15~35min；
Step 3, melt pelletization：Mixture after mixing evenly is poured into parallel double-screw extruder from feeding port, by parallel
Double screw extruder carries out melt pelletization, and the technological parameter of the parallel double-screw extruder is：One 200~220 DEG C of area's temperature,
Two 220~240 DEG C of area's temperature, three 220~240 DEG C of area's temperature, four 210~230 DEG C of area's temperature, five 210~230 DEG C of area's temperature,
Six 210~230 DEG C of area's temperature, seven 200~220 DEG C of area's temperature, eight 190~210 DEG C of area's temperature, nine 210~230 DEG C of area's temperature,
220~240 DEG C of head temperature, 240~400r/min of screw speed, inside vacuumizes.
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| CN201810841537.9A CN108892936A (en) | 2018-07-27 | 2018-07-27 | A kind of High glow wire halogen-free flame retardant PBT-EPDM-PP alloy material and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109735049A (en) * | 2019-01-30 | 2019-05-10 | 五邑大学 | A kind of modified boehmite halogen-free flame-retardant ABS compound material and preparation method thereof |
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Application publication date: 20181127 |