CN106832813B - Flame-retardant polyethylene terephthalate resin composition - Google Patents
Flame-retardant polyethylene terephthalate resin composition Download PDFInfo
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- CN106832813B CN106832813B CN201710051161.7A CN201710051161A CN106832813B CN 106832813 B CN106832813 B CN 106832813B CN 201710051161 A CN201710051161 A CN 201710051161A CN 106832813 B CN106832813 B CN 106832813B
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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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
- C08L2201/22—Halogen free composition
Abstract
The invention belongs to the technical field of resin compositions, and particularly relates to a flame-retardant polyethylene terephthalate resin composition which comprises the following components in percentage by mass: PET 60% -95%; 1-20% of organic silsesquioxane flame retardant coated by inorganic matters; 1 to 20 percent of nitrogen flame retardant and/or phosphorus flame retardant; 0.1 to 1 percent of stabilizer. Compared with the prior art, the organic silsesquioxane flame retardant is coated by the inorganic substance and compounded with the nitrogen flame retardant and/or the phosphorus flame retardant, so that a good flame retardant effect can be achieved, the organic silsesquioxane flame retardant has the effects of forming carbon during combustion and forming slag after combustion, the carbon formation can effectively improve the flame retardance, and the slag formation can effectively reduce the further damage of a combustion object to a human body and other objects.
Description
Technical field
The invention belongs to resin combination technical field more particularly to a kind of flame retardant type polyethylene terephthalate trees
Oil/fat composition.
Background technique
Polyethylene terephthalate (PET) is currently the maximum Polymer Synthesizing material of yield highest, dosage in the world
One of material, PET fiber are weaved with the excellent performance such as its high intensity, dimensionally stable, resistant to chemical etching in the industry of non-woven cloth
Product, building inner decorative material, vehicles inner decoration material, clothes etc. have very extensive purposes.However PET can not
One of the shortcomings that ignorance is its inflammability, is greatly caused by the kindling of polyester fiber product in fire incident, polyester is fine
The limit oxygen index of dimension is 22% or so, and burning velocity is fast, releases a large amount of heat and pernicious gas, it also occur that melting drippage,
Environment is polluted, will cause serious casualties and economic loss.And polyethylene terephthalate is not easy into charcoal, burning
Residue is few afterwards.
It is most common, effective and economic one of mode that effective fire retardant is added in PET, wherein effective to PET
The main point three classes of fire retardant: (1) bromination triazine, deca-BDE (DBDPO), decabrominated dipheny second bromide fire retardant: be common are
Alkane (DBDPE), Brominated Polystyrene (BPS), High Bromine epoxy Resin (BER) etc., in recent years because non-halogen cry is higher and higher,
The application of halogen containing flame-retardant increasingly declines.(2) phosphorus flame retardant can be divided into organic and two kinds inorganic, wherein inorganic phosphorus flame retardant
Mainly there are red phosphorus, phosphoric acid triamine, diammonium hydrogen phosphate and ammonium polyphosphate etc., such as CN 101440203, CN 103073856 are
There is disclosure；There are phosphate and phosphine oxide compound etc. in organic phosphorus flame retardant early stage, and mainly alkyl phosphinate is (with moral in recent years
State's Clariant is to represent producer) and phosphazene flame retardant (with Japanese big tomb chemistry to represent producer) etc. apply it is more and more extensive.
(3) inorganic hydroxide fire retardant, the inorganic hydroxides such as magnesium hydroxide are another fire retardant for being used for PET, such resistance
Combustion agent additive amount will reach the flame retardant effect that 40wt%~60wt% has just had, this will lead to the mechanical properties decrease of material.
Although the flame-retarded technology of PET fiber makes rapid progress, existing disclosed flame-retarded technology flame retardant effect still needs to be mentioned
It is high.
In view of this, being used it is necessory to provide a kind of flame retardant type pet resin composition
Inorganic matter coats the efficient halogen-free anti-inflaming agent that organic sesqui siloxane is formed, the fire retardant not only can fast rapid-result charcoal, but also gas can be passed through
The mode slagging of mist formula disintegration, can effectively improve anti-flammability at charcoal, comburant can be effectively reduced to human body and other in slagging
The further damage of object, it is hereby achieved that the pet resin composition of excellent combination property, especially
It is used as fiber effects more preferably.
Summary of the invention
It is an object of the invention to: in view of the deficiencies of the prior art, and provide a kind of flame retardant type poly terephthalic acid second two
Alcohol ester resin composition, the efficient halogen-free anti-inflaming agent for using inorganic matter cladding organic sesqui siloxane to be formed, the fire retardant was both
Can fast rapid-result charcoal, and can in such a way that aerosol is disintegrated slagging, can effectively improve anti-flammability at charcoal, slagging can effectively drop
Further damage of the low comburant to human body and other objects, it is hereby achieved that the poly terephthalic acid second of excellent combination property
Terephthalate resin composition, more preferably especially as fiber effects.
To achieve the goals above, the present invention is adopted the following technical scheme that
A kind of flame retardant type pet resin composition comprising the component of following mass percent:
Wherein, inorganic matter cladding organic sesqui siloxane fire retardant is have superelevation heat resistance and lasting fire line fire-retardant
Agent has efficient catalytic at charcoal effect PET, and the fire retardant can also be together with nitrogenated flame retardant and phosphorus flame retardant
It uses, plays the role of the cooperative flame retardant synergy of 1+1 > 2, it can be achieved that the low purpose for adding highly effective flame-retardant, while can also improve poly-
Close processing performance, mechanical property and the hot property etc. of object.Specifically, inorganic matter cladding organic sesqui siloxane fire retardant and phosphorus
Flame retardant and/or nitrogenated flame retardant and used time, in combustion, the two can mutually promote, and form siliceous charing protective layer,
Compared with conventional carbon-coating, this carbon-like layer compact structure is stablized, and oxidation resistance greatly enhances, therefore has brilliant partition heat
Source such as presses down cigarette, breaks off the supply of oxygen, and prevent molten drop at many-sided excellent performance, to obtain synergistic fire-retardant work
With, and inorganic matter cladding organic sesqui siloxane fire retardant presence, moreover it is possible to improve by the processing and forming of fire proofing, machinery,
The performances such as heat-resisting.
More importantly inorganic matter coat organic sesqui siloxane fire retardant because of its special structure, after being combusted,
In such a way that aerosol is disintegrated, enable the rapid slagging of resin combination, reduction comburant to human body or other objects two
It is secondary to burn or damage, the flame retardant effect of material is greatly improved, special efficacy is significant in terms of this characteristic is used in fiber.So-called aerosol
Disintegration be based on inorganic matter cladding organic sesqui siloxane special layer structure, by the fire retardant be added high molecular material it
Afterwards, when material combustion reaches excessive temperature, the molecule segment fast fracture of the fire retardant, and the fracture of molecule segment is with several
The speed what formula increases occurs, and macroscopically showing is exactly that high molecular material is cleaved into powder after being combusted, is in cigarette ash shape.
Also it can play the role of synergistic function between inorganic matter and organic sesqui siloxane, can not only play highly effective flame-retardant,
And the mechanical property and hot property of polymer can be improved.The organic sesqui siloxane of inorganic matter cladding is collapsed in generation aerosol
Xie Hou, inorganic matter are coated on the combustion product of the organic sesqui siloxane of charcoal or slagging, further function as fire retardation, and
And inorganic matter can also improve the rigidity, heat resistance and inoxidizability of material.In addition, inorganic matter cladding organic sesqui siloxane resistance
Combustion agent preparation process is simple, and energy consumption is very low, and environment friendly and pollution-free, cost is relatively low.
Wherein, it is RSiO that silsesquioxane, which is a kind of skeleton symbol,3/2Silicone compounds, i.e. silicon, oxygen atom number ratio
For 1:1.5, between silica and silicone resin, R can be the organic groups such as hydrogen atom, alkyl, aryl, alkenyl.It has
There is the features such as high heat resistance, high mechanical strength, good flame resistance.
A kind of improvement as flame retardant type pet resin composition of the present invention comprising following matter
Measure the component of percentage:
As a kind of improvement of flame retardant type pet resin composition of the present invention, the inorganic matter packet
It covers in organic sesqui siloxane fire retardant, inorganic matter is porous inorganic object or the inorganic matter with layer structure, has these
The reaction contact area of inorganic matter and organic sesqui siloxane, and inorganic matter and organic sesquialter can be improved in the inorganic matter of structure
The mass ratio of siloxane flame retardant is 1:(10-100).
As a kind of improvement of flame retardant type pet resin composition of the present invention, the inorganic matter packet
It covers in organic sesqui siloxane fire retardant, inorganic matter is montmorillonite, mica sheet, nanometer calcium carbonate, white carbon black, zeolite, hollow glass
At least one of glass microballoon, diatomite.
As a kind of improvement of flame retardant type pet resin composition of the present invention, the inorganic matter packet
It covers in organic sesqui siloxane fire retardant, organic sesqui siloxane is random silsesquioxane, trapezoidal half siloxane, bridge type times
At least one of half siloxanes and cage-type silsesquioxane.Preferably cage-type silsesquioxane, because of cage-type silsesquioxane
Inside be made of silicon oxygen inorganic core, periphery is surrounded by reactivity or non-reacted organic group, and inorganic silicon oxygen core assigns it
Excellent heat resistance, and assign material excellent rigidity and inoxidizability, the non-reacted organic group in periphery can increase it and have
Compatibility between machine matrix, reactive group can make it form covalent bond between matrix, reinforce binding force.Organic silsesquioxane
Alkane can be poly- (trimethylsiloxy group) silsesquioxane of cage modle eight, unfilled corner phenyl cage-type silsesquioxane, cage modle aminopropyl times
Half siloxanes, epoxy cage type sesquialter siloxane and vinyl ladder type silsesquioxane etc..
As a kind of improvement of flame retardant type pet resin composition of the present invention, nitrogenated flame retardant is
Melamine flame retardants and/or melamine cyanurate fire retardant.Nitrogenated flame retardant can be released nitrogen dioxide, dioxy by thermal decomposition
Change the inert gases such as carbon, nitrogen and ammonia, not so property gas wrapping can inhibit macromolecule in the surrounding of polymer base material for these
The evolution for the flammable product that compound-material is thermally decomposed to generate, and high-molecular compound material can be cut off and connected with oxygen
Touching.In addition, nitrogen-atoms can capture free radical, material sustained combustion is prevented, to achieve the effect that fire-retardant.
As a kind of improvement of flame retardant type pet resin composition of the present invention, phosphorus flame retardant packet
Include red phosphorus, phosphoric acid triamine, diammonium hydrogen phosphate, ammonium polyphosphate, bisphenol-A-bis- (diphenyl phosphoesters) (BDP), resorcinol bis- (two
Phenyl phosphate ester) (RDP), triphenyl phosphate (TPP), at least one of phosphine oxide compound and alkyl phosphinate.It is organic phosphorus
The fire retardant mechanism of flame retardant is that its burning Shi Huiyu decomposition product or substrate crosslink, and generates P-O-C structure, this structure shape
At charing protective layer, prevent material from burning away.Inorganic phosphorus flame retardant can decomposite the substances such as phosphoric acid, such object in burning
Matter can be such that the dehydration carbonization speed of high molecular material accelerates.In addition, also decomposable poly-metaphosphoric acid out, character is sticky, can
Covering forms one layer of fine and close protective film on the surface of the material, fuel gas can be prevented to escape, and completely cuts off the oxygen in air, thus
The condition for blocking burning, prevents material from burning away.
As a kind of improvement of flame retardant type pet resin composition of the present invention, stabilizer is calcium zinc
Stabilizer or barium zinc compound, the nontoxic heavy metal free of stabilizer, have good long-term thermal stability and anti-precipitation, can be effective
Improve the long-term reliability and stability of PET resin.
As a kind of improvement of flame retardant type pet resin composition of the present invention, inorganic matter is coated with
The preparation method of machine silsesquioxane fire retardant at least includes the following steps:
Inorganic matter is placed in tumbling ball mill by the first step, using dehydrated alcohol as wet grinding media, with silicon carbide mill ball
Wet-milling is carried out to inorganic matter, silane coupling agent is added during wet-milling, obtains modified particles of inorganic material, wherein inorganic matter with
The mass ratio of silane coupling agent is 100:(5-20)；
Second step, the modified inorganic composition granule that the first step is obtained is fully dispersed in ethanol, obtains dispersion liquid, then to point
Organic sesqui siloxane is added in dispersion liquid, is sufficiently stirred, it is dry, obtain inorganic matter cladding organic sesqui siloxane fire retardant.
By be added silane coupling agent, the compatibility between inorganic matter and organic sesqui siloxane can be enhanced, reach compared with
Good covered effect.Wherein, silane coupling agent is vinyltriethoxysilane, gamma-methyl allyl acyloxypropyl trimethoxy
At least one of silane, γ aminopropyltriethoxy silane, γ-glycidoxypropyltrimethoxysilane alkane.
As a kind of improvement of flame retardant type pet resin composition of the present invention, the resin combination
The preparation method of object at least includes the following steps: weighing each component in mass ratio, PET is dried 2h- at 100 DEG C -150 DEG C
Then 5h each component is added in high-speed mixer after 3min-10min is sufficiently stirred, discharging adds twin-screw extrude,
At 180 DEG C -260 DEG C through melting mixing extrusion, cooling granulation, it is dry to get.
Compared with the existing technology, the present invention coats organic sesqui siloxane fire retardant and nitrogenated flame retardant by inorganic matter
And/or the compounding of phosphorus flame retardant, good flame retardant effect can be played, can make the present invention have burning when at charcoal,
The effect of slagging after burning can effectively improve anti-flammability at charcoal, and comburant can be effectively reduced to human body and other objects in slagging
The further damage of body.
Specific embodiment
Below with reference to embodiment, the present invention and its advantages are described in further detail, but implementation of the invention
Mode is without being limited thereto.
Embodiment 1
A kind of flame retardant type pet resin composition provided in this embodiment comprising following quality
The component of percentage:
Wherein, inorganic matter cladding organic sesqui siloxane fire retardant is poly- (the trimethyl silicane oxygen of cage modle eight of montmorillonite cladding
Base) silsesquioxane, and the mass ratio of montmorillonite and poly- (trimethylsiloxy group) silsesquioxane of cage modle eight is 1:30, system
Preparation Method the following steps are included:
Montmorillonite is placed in tumbling ball mill by the first step, using dehydrated alcohol as wet grinding media, with silicon carbide mill ball
Wet-milling is carried out to montmorillonite, silane coupling agent vinyl triethoxysilane is added during wet-milling, obtains modified montmorillonite
Particle, wherein the mass ratio of montmorillonite and silane coupling agent is 100:10；
Second step, the modified montmorillonoid particle that the first step is obtained is fully dispersed in ethanol, obtains dispersion liquid, then to point
Poly- (trimethylsiloxy group) silsesquioxane of cage modle eight is added in dispersion liquid, is sufficiently stirred, it is dry, it obtains inorganic matter and coats organic times
Half siloxane flame retardant.
Nitrogenated flame retardant is melamine, and phosphorus flame retardant is aluminum diethylphosphinate, and stabilizer is calcium zinc stabilizer.
The preparation method of the resin combination at least includes the following steps: each component is weighed in mass ratio, by PET 130
Then dry 3h at DEG C each component is added in high-speed mixer after 7min is sufficiently stirred, discharging adds twin-screw extrude,
At 200 DEG C through melting mixing extrusion, cooling granulation, it is dry to get.
Embodiment 2
A kind of flame retardant type pet resin composition provided in this embodiment comprising following quality
The component of percentage:
Wherein, inorganic matter cladding organic sesqui siloxane fire retardant is the unfilled corner phenyl cage model sesquialter silicon oxygen of mica sheet cladding
Alkane, and the mass ratio of mica sheet and unfilled corner phenyl cage-type silsesquioxane is 1:40, and preparation method includes the following steps:
Mica sheet is placed in tumbling ball mill by the first step, using dehydrated alcohol as wet grinding media, with silicon carbide mill ball
Wet-milling is carried out to inorganic matter, silane coupling agent gamma-methyl allyl acyloxypropyl trimethoxysilane is added during wet-milling, obtains
Modified mica sheet particle, wherein the quality of mica sheet and silane coupling agent gamma-methyl allyl acyloxypropyl trimethoxysilane
Than for 100:7；
Second step, the modified micaceous particle that the first step is obtained is fully dispersed in ethanol, obtains dispersion liquid, then to point
Unfilled corner phenyl cage-type silsesquioxane is added in dispersion liquid, is sufficiently stirred, it is dry, obtain inorganic matter cladding organic sesqui siloxane resistance
Fire agent.
Nitrogenated flame retardant is melamine cyanurate, and phosphorus flame retardant is phosphoric acid triamine, and stabilizer is calcium zinc stabilizer.
The preparation method of the resin combination at least includes the following steps: each component is weighed in mass ratio, by PET 125
Then dry 3.5h at DEG C each component is added in high-speed mixer after 5min is sufficiently stirred, double screw extruder is added in discharging
In, at 210 DEG C through melting mixing extrusion, cooling granulation, it is dry to get.
Embodiment 3
A kind of flame retardant type pet resin composition provided in this embodiment comprising following quality
The component of percentage:
Wherein, inorganic matter cladding organic sesqui siloxane fire retardant is the cage modle aminopropyl sesquialter silicon of coveredwith nanometer calcium carbonate
Oxygen alkane, and the mass ratio of nanometer calcium carbonate and cage modle aminopropyl silsesquioxane is 1:25, and preparation method includes following step
It is rapid:
Nanometer calcium carbonate is placed in tumbling ball mill by the first step, using dehydrated alcohol as wet grinding media, is ground with silicon carbide
Abrading-ball carries out wet-milling to nanometer calcium carbonate, and silane coupling agent γ aminopropyltriethoxy silane is added during wet-milling, obtains
Modified nano-calcium carbonate particles, wherein the quality of nanometer calcium carbonate and silane coupling agent γ aminopropyltriethoxy silane
Than for 100:12；
Second step, the modified nano calcium carbonate particle that the first step is obtained is fully dispersed in ethanol, obtains dispersion liquid, then
Cage modle aminopropyl silsesquioxane is added into dispersion liquid, is sufficiently stirred, it is dry, obtain inorganic matter cladding organic sesqui siloxane
Fire retardant.
Nitrogenated flame retardant is melamine, and phosphorus flame retardant is bisphenol-A-bis- (diphenyl phosphoesters) (BDP), and stabilizer is
Barium zinc compound.
The preparation method of the resin combination at least includes the following steps: each component is weighed in mass ratio, by PET 140
Then dry 4.5h at DEG C each component is added in high-speed mixer after 4min is sufficiently stirred, double screw extruder is added in discharging
In, at 190 DEG C through melting mixing extrusion, cooling granulation, it is dry to get.
Embodiment 4
A kind of flame retardant type pet resin composition provided in this embodiment comprising following quality
The component of percentage:
Wherein, inorganic matter cladding organic sesqui siloxane fire retardant is the vinyl ladder type silsesquioxane of white carbon black cladding
Alkane, and the mass ratio of white carbon black and vinyl ladder type silsesquioxane is 1:40, and preparation method includes the following steps:
White carbon black is placed in tumbling ball mill by the first step, using dehydrated alcohol as wet grinding media, with silicon carbide mill ball
Wet-milling is carried out to white carbon black, silane coupling agent γ-glycidoxypropyltrimethoxysilane alkane is added during wet-milling, obtains
Modified silica particles, wherein white carbon black and silane coupling agent γ-glycidoxypropyltrimethoxysilane alkane quality
Than for 100:7；
Second step, the modified white carbon black particle that the first step is obtained is fully dispersed in ethanol, obtains dispersion liquid, then to point
Vinyl ladder type silsesquioxane is added in dispersion liquid, is sufficiently stirred, it is dry, it is fire-retardant to obtain inorganic matter cladding organic sesqui siloxane
Agent.
Nitrogenated flame retardant is melamine cyanurate, and phosphorus flame retardant is triphenyl phosphate (TPP), and stabilizer is that calcium zinc is steady
Determine agent.
The preparation method of the resin combination at least includes the following steps: each component is weighed in mass ratio, by PET 125
Then dry 2.5h at DEG C each component is added in high-speed mixer after 8min is sufficiently stirred, double screw extruder is added in discharging
In, at 230 DEG C through melting mixing extrusion, cooling granulation, it is dry to get.
Embodiment 5
A kind of flame retardant type pet resin composition provided in this embodiment comprising following quality
The component of percentage:
Wherein, inorganic matter cladding organic sesqui siloxane fire retardant is the epoxy cage type sesquialter silicon oxygen of diatomite cladding
Alkane, and the mass ratio of diatomite and epoxy cage type sesquialter siloxane is 1:35, and preparation method includes the following steps:
Diatomite is placed in tumbling ball mill by the first step, using dehydrated alcohol as wet grinding media, with silicon carbide mill ball
Wet-milling is carried out to diatomite, silane coupling agent γ aminopropyltriethoxy silane is added during wet-milling, obtains modified silicon
Diatomaceous earth particle, wherein the mass ratio of diatomite and silane coupling agent γ aminopropyltriethoxy silane is 100:(5-20)；
Second step, the modification infusorial earth particle that the first step is obtained is fully dispersed in ethanol, obtains dispersion liquid, then to point
Epoxy cage type sesquialter siloxane is added in dispersion liquid, is sufficiently stirred, it is dry, it is fire-retardant to obtain inorganic matter cladding organic sesqui siloxane
Agent.
Nitrogenated flame retardant is melamine cyanurate, and phosphorus flame retardant is resorcinol bis- (diphenyl phosphoesters) (RDP).
Stabilizer is calcium zinc stabilizer.
The preparation method of the resin combination at least includes the following steps: each component is weighed in mass ratio, by PET 105
Then dry 3.2h at DEG C each component is added in high-speed mixer after 9min is sufficiently stirred, double screw extruder is added in discharging
In, at 240 DEG C through melting mixing extrusion, cooling granulation, it is dry to get.
Comparative example 1
A kind of flame retardant type pet resin composition that this comparative example provides comprising following quality
The component of percentage:
Nitrogenated flame retardant is melamine, and phosphorus flame retardant is aluminum diethylphosphinate, and stabilizer is calcium zinc stabilizer.
Comparative example 2
A kind of flame retardant type pet resin composition that this comparative example provides comprising following quality
The component of percentage:
Nitrogenated flame retardant is melamine cyanurate, and phosphorus flame retardant is phosphoric acid triamine, and stabilizer is calcium zinc stabilizer.
Comparative example 3
A kind of flame retardant type pet resin composition that this comparative example provides comprising following quality
The component of percentage:
Nitrogenated flame retardant is melamine, and phosphorus flame retardant is bisphenol-A-bis- (diphenyl phosphoesters) (BDP), and stabilizer is
Barium zinc compound.
The resin combination of embodiment 1-5 and comparative example 1-3 are tested as follows:
1, limit oxygen index (LOI): according to international standard ISO 4589:1984 " Plastics Combustion measures: oxygen index method "
Test.
2, elongation percentage: according to ASTM D1445-2005, " breaking strength of cotton fiber and the test method of elongation percentage (are placed side by side
Clemson strength test) " test.
3, slagability: range estimation, after observing material combustion, if be in cigarette ash shape.
Acquired results are shown in Table 1:
Table 1: the test result of embodiment 1-5 and comparative example 1-3.
| Group | Limit oxygen index | Elongation percentage | Slagability |
| Embodiment 1 | 30 | 350 | It is |
| Embodiment 2 | 32 | 400 | It is |
| Embodiment 3 | 35 | 300 | It is |
| Embodiment 4 | 30 | 290 | It is |
| Embodiment 5 | 34 | 280 | It is |
| Comparative example 1 | 25 | 250 | It is no |
| Comparative example 2 | 24 | 230 | It is no |
| Comparative example 3 | 22 | 268 | It is no |
As can be seen from Table 1: the present invention coats organic sesqui siloxane fire retardant by the way that inorganic matter is added, and material can be improved
The anti-flammability of material, elongation percentage, and after burning can slagging, so that comburant be effectively reduced to human body and other objects into one
Step damage.
According to the disclosure and teachings of the above specification, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula is changed and is modified.Therefore, the invention is not limited to the specific embodiments disclosed and described above, to of the invention
Some modifications and changes should also be as falling into the scope of the claims of the present invention.In addition, although being used in this specification
Some specific terms, these terms are merely for convenience of description, does not limit the present invention in any way.
Claims (9)
1. a kind of flame retardant type pet resin composition, which is characterized in that it includes following quality percentage
The component of ratio:
Organic sesqui siloxane be poly- (trimethylsiloxy group) silsesquioxane of cage modle eight, unfilled corner phenyl cage-type silsesquioxane,
At least one of cage modle aminopropyl silsesquioxane, epoxy cage type sesquialter siloxane.
2. flame retardant type pet resin composition according to claim 1, which is characterized in that it is wrapped
Include the component of following mass percent:
3. flame retardant type pet resin composition according to claim 1 or 2, it is characterised in that:
In the inorganic matter cladding organic sesqui siloxane fire retardant, inorganic matter is for porous inorganic object or with the inorganic of layer structure
Object, and the mass ratio of inorganic matter and organic sesqui siloxane fire retardant is 1:(10-100).
4. flame retardant type pet resin composition according to claim 1 or 2, it is characterised in that:
In inorganic matter cladding organic sesqui siloxane fire retardant, inorganic matter be montmorillonite, mica sheet, nanometer calcium carbonate, white carbon black,
At least one of zeolite, hollow glass micro-ball, diatomite.
5. flame retardant type pet resin composition according to claim 1 or 2, it is characterised in that:
Nitrogenated flame retardant is melamine flame retardants and/or melamine cyanurate fire retardant.
6. flame retardant type pet resin composition according to claim 1 or 2, it is characterised in that:
Phosphorus flame retardant include red phosphorus, phosphoric acid triamine, diammonium hydrogen phosphate, ammonium polyphosphate, bisphenol-A-bis- (diphenyl phosphoesters) (BDP),
In resorcinol bis- (diphenyl phosphoesters) (RDP), triphenyl phosphate (TPP), phosphine oxide compound and alkyl phosphinate extremely
Few one kind.
7. flame retardant type pet resin composition according to claim 1 or 2, it is characterised in that:
Stabilizer is calcium zinc stabilizer or barium zinc compound.
8. flame retardant type pet resin composition according to claim 1 or 2, which is characterized in that
The preparation method of inorganic matter cladding organic sesqui siloxane fire retardant at least includes the following steps:
Inorganic matter is placed in tumbling ball mill by the first step, using dehydrated alcohol as wet grinding media, with silicon carbide mill ball to nothing
Machine object carries out wet-milling, and silane coupling agent is added during wet-milling, obtains modified particles of inorganic material, wherein inorganic matter and silane
The mass ratio of coupling agent is 100:(5-20)；
Second step, the modified inorganic composition granule that the first step is obtained is fully dispersed in ethanol, obtains dispersion liquid, then to dispersion liquid
Middle addition organic sesqui siloxane, is sufficiently stirred, dry, obtains inorganic matter cladding organic sesqui siloxane fire retardant.
9. flame retardant type pet resin composition according to claim 1 or 2, which is characterized in that
The preparation method of the resin combination at least includes the following steps: each component is weighed in mass ratio, by PET at 100 DEG C -150
Then dry 2h-5h at DEG C each component is added in high-speed mixer after 3min-10min is sufficiently stirred, twin-screw is added in discharging
In extruder, at 180 DEG C -260 DEG C through melting mixing extrusion, cooling granulation, it is dry to get.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710051161.7A CN106832813B (en) | 2017-01-20 | 2017-01-20 | Flame-retardant polyethylene terephthalate resin composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710051161.7A CN106832813B (en) | 2017-01-20 | 2017-01-20 | Flame-retardant polyethylene terephthalate resin composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106832813A CN106832813A (en) | 2017-06-13 |
| CN106832813B true CN106832813B (en) | 2019-04-23 |
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| CN111793334B (en) * | 2020-08-18 | 2023-01-10 | 圆创享(苏州)新材料技术有限公司 | PET film and preparation method thereof |
| CN112917949B (en) * | 2021-01-26 | 2021-12-21 | 醴陵市东方电瓷电器有限公司 | Preparation method of extra-high voltage composite insulator |
| CN115433436A (en) * | 2021-06-01 | 2022-12-06 | 华润化学材料科技股份有限公司 | Flame-retardant polyester and preparation method thereof |
| CN115433437A (en) * | 2021-06-01 | 2022-12-06 | 华润化学材料科技股份有限公司 | Flame-retardant polyester and preparation method thereof |
| CN114805775B (en) * | 2022-05-17 | 2024-02-02 | 华润化学材料科技股份有限公司 | Regenerated PET polyester, regenerated flame-retardant PET foaming material and preparation method thereof |
| CN115895206A (en) * | 2022-11-21 | 2023-04-04 | 盘锦海兴科技股份有限公司 | Flame-retardant PET material and preparation method thereof |
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| CN104327462A (en) * | 2013-07-22 | 2015-02-04 | 于桂菊 | Phosphorus-based synergistically flame-retardant PET/PBS alloy material and preparation method thereof |
| CN104592731A (en) * | 2015-01-27 | 2015-05-06 | 奉化市兴杨塑业有限公司 | Silicon-based flame-retardant PC/ABS alloy |
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| CN104327462A (en) * | 2013-07-22 | 2015-02-04 | 于桂菊 | Phosphorus-based synergistically flame-retardant PET/PBS alloy material and preparation method thereof |
| CN104592731A (en) * | 2015-01-27 | 2015-05-06 | 奉化市兴杨塑业有限公司 | Silicon-based flame-retardant PC/ABS alloy |
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