CN110157164A - A kind of high glow-wire high intensity enhancing flame-retardant PET material and preparation method thereof - Google Patents
A kind of high glow-wire high intensity enhancing flame-retardant PET material and preparation method thereof Download PDFInfo
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- CN110157164A CN110157164A CN201910536516.0A CN201910536516A CN110157164A CN 110157164 A CN110157164 A CN 110157164A CN 201910536516 A CN201910536516 A CN 201910536516A CN 110157164 A CN110157164 A CN 110157164A
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- 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
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Abstract
The present invention relates to technical field of polymer materials, a kind of high glow-wire high intensity enhancing flame-retardant PET material and preparation method thereof is disclosed.By weight, high glow-wire high intensity enhancing flame-retardant PET material of the invention includes 45~55 parts by weight of PET resin, 20~30 parts by weight of surface modified glass fiber, 9~14 parts by weight of fire retardant, 3~6 parts by weight of synergistic flame retardant, 4~6 parts by weight of glowing filament reinforcing agent, 4~7 parts by weight of compatible toughening agents, 0.2~0.7 parts by weight of antioxidant, 0.3~0.8 parts by weight of lubricant, 0.2~0.5 parts by weight of nucleating agent.Material glowing filament ignition temperature, excellent mechanical property and environmentally protective flame retardant effect with higher prepared by the present invention, it is greatly improved compared to common fiberglass reinforced product, Flame-retardant PET composite material compared to the prior art, has the advantages that environmentally protective.
Description
Technical field
The present invention relates to technical field of polymer materials, are specifically related to a kind of high glow-wire high intensity enhancing Flame-retardant PET
Material and preparation method thereof.
Background technique
Polyethylene terephthalate (PET) is a kind of main thermoplastic polyester, has excellent mechanical performance, resistance to
Hot, electrical insulating property, solvent resistant and acid resistance are prominent, itself can be applied to textile fabric or are blow molded into bottle, after enhancing anti-flammability
It can be used as engineering plastics and be widely used in automobile and field of electronics.
Electrical and electronic component in use can because of run at high speed or overload, short circuit situations such as cause hot-spot
And cause to burn, simple flame-retardant modified PET material glowing filament ignition temperature (GWIT) generally can only achieve 700 DEG C or so, make
For electric equipment products, there are some potential safety problemss, and therefore, it is necessary to as much as possible reduce fire hazard.
It is disclosed patent CN108164935A and CN104672817A and mentions high glow-wire high intensity enhancing Flame-retardant PET material
The preparation method of material, all refers to bromide fire retardant in patent, but bromide fire retardant can generate in combustion it is toxic and
Corrosive gas and a large amount of smog, it is disabled successively in recent years, therefore develop a kind of halogen-free flameproof PET composite material and have very much
It is necessary.
Summary of the invention
The present invention provides a kind of high glow-wire high intensity enhancing Flame-retardant PET to overcome the shortcomings of above-mentioned background technique
Material, material glowing filament ignition temperature with higher, excellent mechanical property and environmentally protective flame retardant effect.
To achieve the object of the present invention, by weight, high glow-wire high intensity of the invention enhances flame-retardant PET material packet
Containing 45~55 parts by weight of PET resin, 20~30 parts by weight of surface modified glass fiber, 9~14 parts by weight of fire retardant, synergistic is fire-retardant
3~6 parts by weight of agent, 4~6 parts by weight of glowing filament reinforcing agent, 4~7 parts by weight of compatible toughening agents, 0.2~0.7 weight of antioxidant
Part, 0.3~0.8 parts by weight of lubricant, 0.2~0.5 parts by weight of nucleating agent.
In the present invention, it is preferable that the PET resin is the polymerization that terephthalic acid (TPA) and ethylene glycol are obtained by polycondensation reaction
Object, intrinsic viscosity 0.60-0.67dl/g.
In the present invention, it is preferable that the surface modified glass fiber is using the silicon with epoxy group or amido functional group
The continuous glass fibre that alkane coupling agent is surface-treated, fibre diameter are 8~15 μm.
In the present invention, it is preferable that the fire retardant is by hexachlorocyclotriph,sphazene, 2, and 2 xenols pass through nucleophilic substitution
Three phosphonitrile of biphenyl basic ring obtained；It is highly preferred that the hexachlorocyclotriph,sphazene and 2, the molar ratio of 2 xenols is 1:3.2.
In the present invention, it is preferable that the fire retarding synergist is diethyl hypo-aluminum orthophosphate (ADP) and melamine polyphosphate
(MPP) compound；It is highly preferred that ADP the and MPP weight ratio is 2:1.
In the present invention, it is preferable that the glowing filament reinforcing agent is zinc borate.
In the present invention, it is preferable that the compatible toughening agents are maleic anhydride stem grafting polyolefin (MAH-g-POE) and methyl-prop
The compound of olefin(e) acid ethylene oxidic ester graft polyolefin (GMA-g-POE)；It is highly preferred that the MAH-g-POE and GMA-g-POE
Weight ratio be 1:2.
In the present invention, it is preferable that the antioxidant is one of Hinered phenols, phosphite antioxidant or two
Kind；It is highly preferred that Hinered phenols and phosphite ester antioxidant weight ratio are 1:2 when the antioxidant is two kinds.
In the present invention, it is preferable that the lubricant is one or both of silicone master batch or pentaerythritol stearate
Composition；It is highly preferred that the lubricant be both silicone master batch and pentaerythritol stearate compound when, silicone master batch with
The weight ratio of pentaerythritol stearate is 2:3.
In the present invention, it is preferable that the nucleating agent is nano modification organo montmorillonite, kaolin, one in polyethylene glycol
Kind.
To achieve the object of the present invention, the present invention also provides a kind of above-mentioned high glow-wire high intensity to enhance Flame-retardant PET material
The preparation method of material, method includes the following steps:
(1) number weighs raw material according to the required weight；
(2) weighed PET resin, antioxidant, lubricant and nucleating agent in step (1) are added in high-speed mixer,
Mixing 20~30 seconds；
(3) weighed fire retardant, fire retarding synergist, glowing filament reinforcing agent, compatible toughening agents in step (1) are added to step
Suddenly it in the mixture of (2), continuess to mix in a high speed mixer 15~25 seconds；
(4) raw material that step (3) mixes is added in double screw extruder, weighed surface is modified in step (1)
For glass fibre by adding fine mouth to be added, 240 DEG C~260 DEG C melting extrusions, cooling and dicing obtains composite material.
In the present invention, it is preferable that the step (2), (3) high speed mixing machine revolving speed be 400~600rpm.
The present invention is strong come the notch shock for improving PET material by addition MAH-g-POE and GMA-g-POE compounding compatilizer
Spend low problem；Enhancing modification is carried out by adding surface modified glass fiber, using on coupling agent between functional group and resin
Effective chemical bond or interaction are formed, the compatibility between reinforcing glass fiber and matrix resin improves the mechanics of material
Performance；Three phosphonitrile fire retardant of biphenyl basic ring is prepared by the chlorine of 2,2- xenol nucleophilic displacement of fluorine hexachlorocyclotriph,sphazene, is hindered with phosphorus nitrogen
Synergist compounding is fired, guarantees the flame retardant property of material；The glowing filament ignition temperature of material is improved by addition glowing filament reinforcing agent.
The present invention compared with the existing technology the advantages of and effect are as follows:
1. PET composite material prepared by the present invention has mechanical property compared with glass fiber reinforced flame retardant PET composite material
Can good, environment-friendly flame retardant the characteristics of；
2. material mechanical performance prepared by the present invention is excellent, tensile strength 145MPa, simply supported beam notch impact strength
11.1kJ/m2；
3. material glowing filament ignition temperature prepared by the present invention is greatly improved compared to common fiberglass reinforced product,
Flame-retardant PET composite material compared to the prior art, has the advantages that environmentally protective.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.Additional aspect and advantage of the invention will be set forth in part in the description, partially will be under
Become obvious in the description in face, or practice through the invention is recognized.It is only used to explain this hair it should be appreciated that being described below
It is bright, it is not intended to limit the present invention.
Term "comprising" used herein, " comprising ", " having ", " containing " or its any other deformation, it is intended that covering
Non-exclusionism includes.For example, composition, step, method, product or device comprising listed elements are not necessarily limited to those and want
Element, but may include not expressly listed other elements or such composition, step, method, product or device it is intrinsic
Element.
Equivalent, concentration or other values or parameter are excellent with range, preferred scope or a series of upper limit preferred values and lower limit
When the Range Representation that choosing value limits, this should be understood as specifically disclosing by any range limit or preferred value and any range
Any pairing of lower limit or preferred value is formed by all ranges, regardless of whether the range separately discloses.For example, when open
When range " 1 to 5 ", described range should be interpreted as including range " 1 to 4 ", " 1 to 3 ", " 1 to 2 ", " 1 to 2 and 4 to
5 ", " 1 to 3 and 5 " etc..When numberical range is described herein, unless otherwise stated, otherwise the range is intended to include its end
Value and all integers and score in the range.
Indefinite article "an" before element or component of the present invention (goes out the quantitative requirement of element or component with "one"
Occurrence number) unrestriction.Therefore "one" or "an" should be read as including one or at least one, and singular
Element or component also include plural form, unless the quantity obviously only refers to singular.
Unless otherwise noted, for each ingredient described in the embodiment of the present invention as described in summary of the invention, i.e., the described PET resin is to benzene
The polymer that dioctyl phthalate and ethylene glycol are obtained by polycondensation reaction, intrinsic viscosity 0.60-0.67dl/g；The surface is modified
Glass fibre is the continuous glass fibre being surface-treated using the silane coupling agent with epoxy group or amido functional group, fine
Tieing up diameter is 8~15 μm；The fire retardant is three phosphonitrile of biphenyl basic ring, and three phosphonitrile of biphenyl basic ring is by hexachlorocyclotriph,sphazene, 2,2
Xenol is made by nucleophilic substitution, and the hexachlorocyclotriph,sphazene and 2, and the molar ratio of 2 xenols is 1:3.2；It is described
Fire retarding synergist is diethyl hypo-aluminum orthophosphate (ADP) and melamine polyphosphate (MPP) compound, ADP and MPP weight ratio is
2:1；The glowing filament reinforcing agent is zinc borate；The maleic anhydride stem grafting polyolefin and methacrylic acid that the compatible toughening agents are
Ethylene oxidic ester graft polyolefin compound, wherein maleic anhydride stem grafting polyolefin and glycidyl methacrylate graft are poly-
The weight ratio of alkene is 1:2；The antioxidant is one or both of Hinered phenols, phosphite antioxidant, is two
Hinered phenols and phosphite ester antioxidant weight proportion are 1:2 when kind；The nucleating agent is nano modification organo montmorillonite, height
One of ridge soil, polyethylene glycol；The lubricant is one or both of silicone master batch or pentaerythritol stearate
Composition, silicone master batch and pentaerythrite stearic acid weight proportion are 2:3 when compounding both when being two kinds of composition.
Moreover, technical characteristic involved in each embodiment of the present invention as long as they do not conflict with each other can
To be combined with each other.
Embodiment 1
Weigh 45 parts by weight of PET resin, 14 parts by weight of fire retardant, 3 parts by weight of fire retarding synergist, 4 weight of glowing filament reinforcing agent
Measure part, 4 parts by weight of compatible toughening agents, 0.4 parts by weight of antioxidant, 0.5 parts by weight of lubricant, 0.4 parts by weight of nucleating agent.First will
PET resin, antioxidant, lubricant and nucleating agent are added to high-speed mixer, mix 20~30 seconds；Then fire-retardant by what is weighed up
Agent, fire retarding synergist, glowing filament reinforcing agent and compatible toughening agents are added in above-mentioned mixture, are continuesd to mix 20 seconds, are passed through
Main feeding hopper is added in double screw extruder；The modified glass in the surface of 30 parts by weight is added by glass fiber opening simultaneously, through double
Screw extruder melting is kneaded, squeezes out, being granulated, and obtains high glow-wire high intensity enhancing flame-retardant PET material, temperature of each section difference
Are as follows: 220 DEG C of area's temperature, two 260 DEG C of area's temperature, three 260 DEG C of area's temperature, four 255 DEG C of area's temperature, five 245 DEG C of area's temperature, 6th area
240 DEG C of temperature, seven 235 DEG C of area's temperature, eight 235 DEG C of area's temperature, 255 DEG C of head temperature；Engine speed 300rpm.
Embodiment 2
Weigh 55 parts by weight of PET resin, 14 parts by weight of fire retardant, 6 parts by weight of fire retarding synergist, 6 weight of glowing filament reinforcing agent
Measure part, 7 parts by weight of compatible toughening agents, 0.4 parts by weight of antioxidant, 0.5 parts by weight of lubricant, 0.4 parts by weight of nucleating agent.First will
PET resin, antioxidant, lubricant and nucleating agent are added to high-speed mixer, mix 20~30 seconds；Then fire-retardant by what is weighed up
Agent, fire retarding synergist, glowing filament reinforcing agent and compatible toughening agents are added in above-mentioned mixture, are continuesd to mix 20 seconds, are passed through
Main feeding hopper is added in double screw extruder；The modified glass in the surface of 30 parts by weight is added by glass fiber opening simultaneously, through double
Screw extruder melting is kneaded, squeezes out, being granulated, and obtains high glow-wire high intensity enhancing flame-retardant PET material, temperature of each section difference
Are as follows: 220 DEG C of area's temperature, two 260 DEG C of area's temperature, three 260 DEG C of area's temperature, four 255 DEG C of area's temperature, five 245 DEG C of area's temperature, 6th area
240 DEG C of temperature, seven 235 DEG C of area's temperature, eight 235 DEG C of area's temperature, 255 DEG C of head temperature；Engine speed 300rpm.
Embodiment 3
Weigh 55 parts by weight of PET resin, 9 parts by weight of fire retardant, 6 parts by weight of fire retarding synergist, 6 weight of glowing filament reinforcing agent
Part, 4 parts by weight of compatible toughening agents, 0.4 parts by weight of antioxidant, 0.5 parts by weight of lubricant, 0.4 parts by weight of nucleating agent.First by PET
Resin, antioxidant, lubricant and nucleating agent are added to high-speed mixer, mix 20~30 seconds；Then by the fire retardant weighed up, resistance
Combustion synergist, glowing filament reinforcing agent and compatible toughening agents are added in above-mentioned mixture, are continuesd to mix 20 seconds, are passed through main feeding
Bucket is added in double screw extruder；The modified glass in the surface of 20 parts by weight is added by glass fiber opening simultaneously, is squeezed through twin-screw
Machine melting, mixing, extrusion, granulation out, obtain high glow-wire high intensity enhancing flame-retardant PET material, and temperature of each section is respectively as follows: an area
220 DEG C of temperature, two 260 DEG C of area's temperature, three 260 DEG C of area's temperature, four 255 DEG C of area's temperature, five 245 DEG C of area's temperature, six area's temperature 240
DEG C, seven 235 DEG C of area's temperature, eight 235 DEG C of area's temperature, 255 DEG C of head temperature；Engine speed 300rpm.
Embodiment 4
Weigh 45 parts by weight of PET resin, 14 parts by weight of fire retardant, 6 parts by weight of fire retarding synergist, 4 weight of glowing filament reinforcing agent
Measure part, 7 parts by weight of compatible toughening agents, 0.4 parts by weight of antioxidant, 0.5 parts by weight of lubricant, 0.4 parts by weight of nucleating agent.First will
PET resin, antioxidant, lubricant and nucleating agent are added to high-speed mixer, mix 20~30 seconds；Then fire-retardant by what is weighed up
Agent, fire retarding synergist, glowing filament reinforcing agent and compatible toughening agents are added in above-mentioned mixture, are continuesd to mix 20 seconds, are passed through
Main feeding hopper is added in double screw extruder；The modified glass in the surface of 30 parts by weight is added by glass fiber opening simultaneously, through double
Screw extruder melting is kneaded, squeezes out, being granulated, and obtains high glow-wire high intensity enhancing flame-retardant PET material, temperature of each section difference
Are as follows: 220 DEG C of area's temperature, two 260 DEG C of area's temperature, three 260 DEG C of area's temperature, four 255 DEG C of area's temperature, five 245 DEG C of area's temperature, 6th area
240 DEG C of temperature, seven 235 DEG C of area's temperature, eight 235 DEG C of area's temperature, 255 DEG C of head temperature；Engine speed 300rpm.
Comparative example 1
Weigh 45.7 parts by weight of PET resin, 15 parts by weight of flame retardant decabromodiphenylethane, fire retarding synergist antimony oxide
1 parts by weight, 2 parts by weight of zinc stearate, 1 parts by weight of zinc carbonate, glowing filament reinforcing agent nitrogen phosphate mixture RHPP-085-3A-3h 6
Parts by weight, 2 parts by weight of compatilizer ethylene-vinyl acetate copolymer, 1 parts by weight of ethylene butyl acrylate, 0.2 weight of antioxidant
Part, 0.5 parts by weight of odium stearate, 0.1 parts by weight of nucleating agent P250 are added in high-speed mixer in certain sequence and mix
It is even, it is added in double screw extruder by main feeding hopper, while the unmodified simple glass fiber of 20 parts by weight is passed through into glass
Fine mouth is added, and through double screw extruder melting, is kneaded, extrusion, granulation, obtains high glow-wire high intensity enhancing flame-retardant PET material,
Temperature of each section is respectively as follows: 220 DEG C of area's temperature, two 260 DEG C of area's temperature, three 260 DEG C of area's temperature, four 255 DEG C of area's temperature, five Qu Wen
245 DEG C of degree, six 240 DEG C of area's temperature, seven 235 DEG C of area's temperature, eight 235 DEG C of area's temperature, 255 DEG C of head temperature；Engine speed
300rpm。
Comparative example 2
Weigh 45 parts by weight of PET resin, 20 parts by weight of fire retardant red phosphorus, toughener ethylene-methyl acrylate-acrylic acid contracting
5 parts by weight of water glyceride terpolymer, 0.3 parts by weight of antioxidant, 0.3 parts by weight of lubricant silicone, nucleating agent ethylene/methyl
0.2 parts by weight of acrylic acid ionomer are added in high-speed mixer in certain sequence and are uniformly mixed, are added to by main feeding hopper
In double screw extruder, while the unmodified simple glass fiber of 30 parts by weight being added by glass fiber opening, through twin-screw extrusion
Machine melting is kneaded, squeezes out, being granulated, and obtains high glow-wire high intensity enhancing flame-retardant PET material, and temperature of each section is respectively as follows: a Qu Wen
220 DEG C of degree, two 260 DEG C of area's temperature, three 260 DEG C of area's temperature, four 255 DEG C of area's temperature, five 245 DEG C of area's temperature, six area's temperature 240
DEG C, seven 235 DEG C of area's temperature, eight 235 DEG C of area's temperature, 255 DEG C of head temperature；Engine speed 300rpm.
Comparative example 3
Weigh 45 parts by weight of PET resin, 14 parts by weight of fire retardant, 6 parts by weight of fire retarding synergist, 4 weight of glowing filament reinforcing agent
Measure part, 7 parts by weight of compatible toughening agents, 0.4 parts by weight of antioxidant, 0.5 parts by weight of lubricant, 0.4 parts by weight of nucleating agent.First will
PET resin, antioxidant, lubricant and nucleating agent are added to high-speed mixer, mix 20~30 seconds；Then fire-retardant by what is weighed up
Agent, fire retarding synergist, glowing filament reinforcing agent and compatible toughening agents are added in above-mentioned mixture, are continuesd to mix 20 seconds, are passed through
Main feeding hopper is added in double screw extruder；The unmodified simple glass fiber of 30 parts by weight is added by glass fiber opening simultaneously
Enter, through double screw extruder melting, is kneaded, extrusion, granulation, obtains high glow-wire high intensity enhancing flame-retardant PET material, each section of temperature
Degree is respectively as follows: 220 DEG C of area's temperature, two 260 DEG C of area's temperature, three 260 DEG C of area's temperature, four 255 DEG C of area's temperature, five area's temperature 245
DEG C, six 240 DEG C of area's temperature, seven 235 DEG C of area's temperature, eight 235 DEG C of area's temperature, 255 DEG C of head temperature；Engine speed 300rpm.
Measure of merit
According to the performance of following standard testing embodiment and comparative example resulting materials, test result is as shown in table 1:
Tensile strength and impact strength are tested according to 179 standard of ISO 527-2 and ISO respectively；Glow wire ignition's temperature
Degree, ash content and vertical combustion performance are tested according to IEC60695-2-10/13, ISO 3451-1 and UL94 standard respectively.
1 embodiment 1-4 of table and comparative example 1-3 resulting materials the performance test results
As shown in Table 1, the high glow-wire high intensity of embodiment 4 enhances flame-retardant PET material excellent in mechanical performance.Room temperature drop-down
Stretch intensity 145MPa, simply supported beam notch impact strength 11.1kJ/m2, hence it is evident that it is higher than (the common fiberglass reinforced fire retardant PET of comparative example 1
Composite material), compared to comparative example 2, the glowing filament ignition temperature of material is also improved to some extent.
It is concluded that use silane coupling agent surface of the present invention was modified from the test data of embodiment and comparative example
The high glow-wire high intensity of glass fibre preparation enhances flame-retardant PET material excellent in mechanical performance.The present invention compounds compatible increasing simultaneously
Tough dose of use, can be improved the notch impact strength of PET material, and compound flame retardant and glowing filament reinforcing agent of the present invention makes
With, make material have preferable flame retardant property, higher glowing filament ignition temperature.
As it will be easily appreciated by one skilled in the art that embodiment described above is only presently preferred embodiments of the present invention, and
Not to limit the present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention,
It should be included within protection scope of the present invention.
Claims (10)
1. a kind of high glow-wire high intensity enhances flame-retardant PET material, which is characterized in that by weight, the high glow-wire is high
Enhanced strength flame-retardant PET material includes 45~55 parts by weight of PET resin, and 20~30 parts by weight of surface modified glass fiber are fire-retardant
9~14 parts by weight of agent, 3~6 parts by weight of synergistic flame retardant, 4~6 parts by weight of glowing filament reinforcing agent, 4~7 weight of compatible toughening agents
Part, 0.2~0.7 parts by weight of antioxidant, 0.3~0.8 parts by weight of lubricant, 0.2~0.5 parts by weight of nucleating agent.
2. high glow-wire high intensity according to claim 1 enhances flame-retardant PET material, which is characterized in that the PET resin
For the polymer that terephthalic acid (TPA) and ethylene glycol are obtained by polycondensation reaction, intrinsic viscosity 0.60-0.67dl/g；The table
Face modified glass-fiber is the continuous glass being surface-treated using the silane coupling agent with epoxy group or amido functional group
Fiber, fibre diameter are 8~15 μm.
3. high glow-wire high intensity according to claim 1 enhances flame-retardant PET material, which is characterized in that the fire retardant
It is as hexachlorocyclotriph,sphazene, 2,2 xenols three phosphonitrile of biphenyl basic ring as made from nucleophilic substitution；Preferably, described six
The molar ratio of three phosphonitrile of chlorine ring and 2,2 xenols is 1:3.2.
4. high glow-wire high intensity according to claim 1 enhances flame-retardant PET material, which is characterized in that the fire-retardant association
Imitate the compound that agent is diethyl hypo-aluminum orthophosphate and melamine polyphosphate；Preferably, the diethyl hypo-aluminum orthophosphate and three
Poly cyanamid Quadrafos weight ratio is 2:1；It is highly preferred that the glowing filament reinforcing agent is zinc borate.
5. high glow-wire high intensity according to claim 1 enhances flame-retardant PET material, which is characterized in that the compatible increasing
The tough dose of compound for maleic anhydride stem grafting polyolefin and glycidyl methacrylate graft polyolefin；Preferably, described
The weight ratio of maleic anhydride stem grafting polyolefin and glycidyl methacrylate graft polyolefin is 1:2.
6. high glow-wire high intensity according to claim 1 enhances flame-retardant PET material, which is characterized in that the antioxidant
For one or both of Hinered phenols, phosphite antioxidant；Preferably, the Hinered phenols when antioxidant is two kinds
It is 1:2 with phosphite ester antioxidant weight ratio.
7. high glow-wire high intensity according to claim 1 enhances flame-retardant PET material, which is characterized in that the lubricant
For the composition of one or both of silicone master batch or pentaerythritol stearate；Preferably, the lubricant is that silicone is female
When both grain and pentaerythritol stearate compounding, the weight ratio of silicone master batch and pentaerythritol stearate is 2:3.
8. high glow-wire high intensity according to claim 1 enhances flame-retardant PET material, which is characterized in that the nucleating agent
For one of nano modification organo montmorillonite, kaolin, polyethylene glycol.
9. the preparation method of any one of the claim 1-8 high glow-wire high intensity enhancing flame-retardant PET material, feature exist
In, method includes the following steps:
(1) number weighs raw material according to the required weight；
(2) weighed PET resin, antioxidant, lubricant and nucleating agent in step (1) are added in high-speed mixer, are mixed
20~30 seconds；
(3) weighed fire retardant, fire retarding synergist, glowing filament reinforcing agent, compatible toughening agents in step (1) are added to step
(2) it in mixture, continuess to mix in a high speed mixer 15~25 seconds；
(4) raw material that step (3) mixes is added in double screw extruder, weighed surface modified glass in step (1)
For fiber by adding fine mouth to be added, 240 DEG C~260 DEG C melting extrusions, cooling and dicing obtains composite material.
10. the preparation method of high glow-wire high intensity enhancing flame-retardant PET material according to claim 9, which is characterized in that
The step (2), (3) high speed mixing machine revolving speed be 400~600rpm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910536516.0A CN110157164A (en) | 2019-06-20 | 2019-06-20 | A kind of high glow-wire high intensity enhancing flame-retardant PET material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910536516.0A CN110157164A (en) | 2019-06-20 | 2019-06-20 | A kind of high glow-wire high intensity enhancing flame-retardant PET material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110157164A true CN110157164A (en) | 2019-08-23 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112852106A (en) * | 2021-03-03 | 2021-05-28 | 平顶山学院 | Epoxy resin-boron nitride heat-conducting flame-retardant composite material and preparation method thereof |
| CN114213812A (en) * | 2021-11-15 | 2022-03-22 | 佛山市鑫塑新材料科技有限公司 | PET flame-retardant material and preparation method thereof |
| CN114561090A (en) * | 2022-03-07 | 2022-05-31 | 金发科技股份有限公司 | Brominated flame-retardant reinforced polyethylene glycol terephthalate composition with easy demolding and high glow wire performance as well as preparation method and application thereof |
| CN118165316A (en) * | 2024-04-18 | 2024-06-11 | 佛山市南海宝利玛工程塑料有限公司 | Preparation process of glass fiber composite reinforced modified PET material |
| US12043699B2 (en) | 2021-12-29 | 2024-07-23 | Nan Ya Plastics Corporation | Impact-resistant and flame-retardant polyester material |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112852106A (en) * | 2021-03-03 | 2021-05-28 | 平顶山学院 | Epoxy resin-boron nitride heat-conducting flame-retardant composite material and preparation method thereof |
| CN114213812A (en) * | 2021-11-15 | 2022-03-22 | 佛山市鑫塑新材料科技有限公司 | PET flame-retardant material and preparation method thereof |
| US12043699B2 (en) | 2021-12-29 | 2024-07-23 | Nan Ya Plastics Corporation | Impact-resistant and flame-retardant polyester material |
| CN114561090A (en) * | 2022-03-07 | 2022-05-31 | 金发科技股份有限公司 | Brominated flame-retardant reinforced polyethylene glycol terephthalate composition with easy demolding and high glow wire performance as well as preparation method and application thereof |
| CN114561090B (en) * | 2022-03-07 | 2023-11-21 | 金发科技股份有限公司 | Brominated flame-retardant reinforced polyethylene terephthalate composition easy to mold out and high in glowing filament performance, and preparation method and application thereof |
| CN118165316A (en) * | 2024-04-18 | 2024-06-11 | 佛山市南海宝利玛工程塑料有限公司 | Preparation process of glass fiber composite reinforced modified PET material |
| CN118165316B (en) * | 2024-04-18 | 2024-09-10 | 佛山市南海宝利玛工程塑料有限公司 | Preparation process of glass fiber composite reinforced modified PET material |
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