CN106751785A - Flame-retardant polyamide composition - Google Patents
Flame-retardant polyamide composition Download PDFInfo
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- CN106751785A CN106751785A CN201510799627.2A CN201510799627A CN106751785A CN 106751785 A CN106751785 A CN 106751785A CN 201510799627 A CN201510799627 A CN 201510799627A CN 106751785 A CN106751785 A CN 106751785A
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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
- 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
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The present invention relates to flame-retardant polyamide composition, it includes：(a) at least one polyamide；At least one halogen-containing flame retardant of (b) about 8-30 weight %；The calcium stannate of (c) about 0.5-10 weight %；(d) about 0.3-5 weight % at least one Antidrip agents, including all weight percents sum of all components in the composition is 100 weight %.
Description
Technical field
This disclosure relates to the Flameproof polyamide group including halogen-containing flame retardant, calcium stannate and Antidrip agent
Compound.
Background technology
Thermoplastic polymer such as polyester or polyamide have excellent engineering properties, mouldability and resistance toization
Moral character is learned, and is therefore used in auto parts and components, electrical/electronic components and many other applications.
In certain applications, it is desirable to these polymer are also anti-flammability.This can be by mixing various additions
Agent such as fire retardant is realized.In the past, halogenated organic compounds such as Brominated Polystyrene was used as fire retardant quilt
It is widely used in polymer industry.Additionally, the resistance in order to further cooperate with or optimizing halogen-containing flame retardant
Combustion property, metal stannate can be used in combination with such halogen-containing flame retardant.It is found, however, that to the greatest extent
Manage this and be used in combination the flame-retardant nature that can to a certain extent improve thermoplastic polymer composition, still
Needs find the retardant synergist that can further improve thermoplastic polymer flame-retardant nature.
The content of the invention
There is provided herein flame-retardant polyamide composition, including：A) at least one polyamide；B) 8-30 weights
Measure at least one halogen-containing flame retardant of %；C) calcium stannate of 0.5-10 weight %；D) 0.3-5 weight
At least one Antidrip agent of %, including all components in the composition all weight percents
Sum is 100 weight %.
In an embodiment of the flame-retardant polyamide composition, based on the Flameproof polyamide group
The gross weight of compound, the content of at least one polyamide is 30-75 weight %, or 35-70 is again
Amount %, or 40-65 weight %.
In another embodiment of the flame-retardant polyamide composition, based on the Flameproof polyamide
The gross weight of composition, the content of at least one halogen-containing flame retardant for 10-27 weight % or
12-24 weight %.
In another embodiment of the flame-retardant polyamide composition, based on the Flameproof polyamide
The gross weight of composition, the content of the calcium stannate is 0.7-7 weight % or 0.9-4 weight %.
In another embodiment of the flame-retardant polyamide composition, based on the Flameproof polyamide
The gross weight of composition, the content of at least one Antidrip agent is 0.4-4 weight % or 0.5-3 weight
Amount %,.
In another embodiment of the flame-retardant polyamide composition, at least one polyamide
It is aromatic polyamide, or at least one polyamide is selected from by polyamide 4, T/4,6, polyamide
4, T/6,6, polyamide 6, T/6,6, polyamide 6, T/6,6 ,/6, polyamide 6, T/6, I, polyamide 6, T/D, T,
Polyamide 6, T/6,10, polyamide 9, T, polyamide 10, T, polyamide MXD6 and two or more
The group that multiple combinations is constituted, or at least one polyamide is polyamide 6, T/6,6.
It is described at least one containing halogen in another embodiment of the flame-retardant polyamide composition
Fire retardant is selected from the group being made up of halogenated polystyrene and halo polyphenylene oxide, or at least one contains
Halogen flame is poly- bromostyrene or Brominated Polystyrene.
In another embodiment of the flame-retardant polyamide composition, at least one anti-drip
Agent is selected from by ionomer, polytetrafluoroethylene (PTFE) (PTFE), the PTFE, the TLCP that coat
(LCP) and its two or more constituted groups of combination, or at least one Antidrip agent be from
Polymers.
The product formed by above-mentioned provided flame-retardant polyamide composition is also provided herein.One
In individual embodiment, the product is mechanograph.
According to the disclosure, when the scope with two specific endpoints is given, it should be understood that the scope bag
Include any value in the range of described two specific endpoints and any at or about any described two ends
The value of point.
Describe in detail
Disclosed herein is flame-retardant polyamide composition, including：(a) at least one polyamide；(b)
At least one halogen-containing flame retardant of about 8-30 weight %；The calcium stannate of (c) about 0.5-10 weight %；
At least one organic Antidrip agent of (d) about 0.3-5 weight %, including in the composition all
The all weight percents sum of component is 100 weight %.
At least one polyamide being included in the flame-retardant polyamide composition can be selected from any suitable
Polyamide, it includes fatty polyamide and aromatic polyamide.
Polyamide is the condensation product of (a) one or more dicarboxylic acids and one or more diamines, or (b)
The condensation product of one or more amino carboxylic acids, or the open loop of (c) one or more cyclic lactames gathers
Close product.Aromatic polyamide used herein can contain at least one aromatic monomer component
Homopolymers, copolymer, ter-polymers or higher level polymer.For example, aromatic polyamide can be with
By using aliphatic dicarboxylic acid and aromatic diamine or aromatic dicarboxylic acid and aliphatic diamine conduct
Raw material simultaneously makes it carry out polycondensation and obtain.
Suitable diamines used herein can be selected from aliphatic diamine, alicyclic diamine and aromatic series
Diamines.Suitable for this exemplary diamines include but is not limited to tetra-methylenedimine, hexamethylene diamine,
2- methyl pentamethylene diamines, nonyl methylene diamine, 11 methylene diamines, ten dimethylene diamines,
2,2,4- trimethylhexamethylenediamines, 2,4,4- trimethylhexamethylenediamines, the methylene two of 5- methyl nine
Amine, 1,3- bis- (aminomethyl) hexamethylene, 1,4- bis- (aminomethyl) hexamethylene, 1- amino -3- aminomethyls
- 3,5,5- trimethyl-cyclohexanes, two (4- aminocyclohexyls) methane, two (3- methyl -4- aminocyclohexyls)
Methane, 2,2- bis- (4- aminocyclohexyls) propane, two (aminopropyl) piperazines, aminoethyl piperazine, two
(p- aminocyclohexyls) methane, 2- methyloctamethylenediamines, trimethylhexamethylenediamine, 1,8-
Octamethylenediamine, 1,9-nonamethylene diamine, 1,10- decamethylene diamines, 1,12- dodecamethylene diamines, m- benzene dimethylamines, p- benzene two
Methylamine, and the like and derivative.
Suitable dicarboxylic acids used herein may be selected from aliphatic dicarboxylic acid, alicyclic dicarboxylic acid and virtue
Fragrant race's dicarboxylic acids.Exemplary dicarboxylic acids suitable for this includes but is not limited to adipic acid, decanedioic acid, nonyl
Diacid, dodecanedicarboxylic acid (dodecanedoic acid), terephthalic acid (TPA), M-phthalic acid, adjacent benzene
Dioctyl phthalate, glutaric acid, pimelic acid, suberic acid, 1,4- cyclohexane dicarboxylic acids, naphthalenedicarboxylic acid and its class
Like thing and derivative.
Exemplary fatty polyamide used herein includes but is not limited to polyamide 6, polyamide 6,6,
Polyamide 4,6, polyamide 6,10, polyamide 6,11, polyamide 6,12, polyamide 6,13, polyamide
6,14th, polyamide 6,15, polyamide 6,16, polyamide 7, polyamide 11, polyamide 12, polyamides
Amine 9,10, polyamide 9,12, polyamide 9,13, polyamide 9,14, polyamide 9,15, polyamide 9,16,
Polyamide 10,10, polyamide 10,12, polyamide 10,13, polyamide 10,14, polyamide 12,10,
Polyamide 12,12, polyamide 12,13, polyamide 12,14, and the like.
Exemplary aromatic polyamide used herein it is including but not limited to poly- (m-xylylene oneself two
Acid amides) (polyamide MXD, 6), poly- (ten dimethylene terephthalate amine) (polyamide 12, T), poly-
(11 methylene terephthalate amine) (polyamide 11, T), poly- (decamethylene terephthalate amine) are (poly-
Acid amides 10, T), poly- (nine methylene terephthalamides) (polyamide 9, T), poly- (hexa-methylene pair
Benzenedicarboxamide) (polyamide 6, T), hexamethylene adipamide/hexa-methylene paraphenylene terephthalamide's amine copolymer
Acid amides (polyamide 6, T/6,6, i.e. have at least about 50mol% the repeat unit from 6, T it is poly-
Acid amides 6, T/6,6), hexa-methylene terephthalamide/hexamethylene adipamide copolyamide (polyamides
Amine 6,6/6, T, i.e. have the polyamide 6 from 6,6 repeat unit of at least about 50mol%, 6/6, T),
Poly- (hexa-methylene terephthalamide/hexa-methylene m-xylene diamine) (polyamide 6, T/6, I, i.e. have
The polyamide 6 of the repeat unit from 6, T of at least about 50mol%, T/6, I), hexa-methylene is to benzene two
Formamide/2- methyl pentamethylene terephthalamides copolyamide (polyamide 6, T/D, T), six methylenes
Base terephthalamide/hexa-methylene decanediamide copolyamide (polyamide 6, T/6,10), hexa-methylene
Adipamide/hexa-methylene terephthalamide/hexa-methylene-isophthalamide copolyamide (polyamide
6,6/6, T/6, I), poly- (caprolactam-hexa-methylene terephthalamide) (polyamide 6/6, T), poly- (six
Isophthalamide/hexa-methylene terephthalamide) (polyamide 6, I/6, T have at least about
The polyamide 6 of the repeat unit from 6, I of 50mol%, I/6, T), poly- (phenyl-diformyl between hexa-methylene
Amine) (polyamide 6, I), poly- (xylylene isophtalamide/hexa-methylene-isophthalamide)
(polyamide MXD, I/6, I), poly- (an an xylylene isophtalamide/xylylene is to benzene two
Formamide/hexa-methylene-isophthalamide) (polyamide MXD, I/MXD, T/6, I/6, T), it is poly- (
Xylylene isophtalamide/ten dimethylene isophtalamide) (polyamide MXD, I/12, I),
Poly- (an xylylene isophtalamide) (polyamide MXD, I), poly- (dimethyl diaminourea two
Cyclohexyl-methane isophtalamide/dodecane acid amides) (polyamide MACM, I/12), poly- (dimethyl
Diamino-dicyclohexyl methane isophtalamide/dimethyl diamino-dicyclohexyl methane paraphenylene terephthalamide
Amine/dodecane acid amides) (polyamide MACM, I/MACM, T/12), poly- (hexa-methylene isophthalic diformazan
Acid amides/dimethyl diamino-dicyclohexyl methane isophtalamide/dodecane acid amides) (polyamide
6, I/MACM, I/12), poly- (hexa-methylene-isophthalamide/hexa-methylene terephthalamide/diformazan
Base diamino-dicyclohexyl methane isophtalamide/dimethyl diamino-dicyclohexyl methane terephthaldehyde
Acid amides) (polyamide 6, I/6, T/MACM, I/MACM, T), it is poly- (hexa-methylene-isophthalamide/
Hexa-methylene terephthalamide/dimethyl diamino-dicyclohexyl methane isophtalamide/dimethyl
Diamino-dicyclohexyl methane terephthalamide/dodecane acid amides) (polyamide
6, I/6, T/MACM, I/MACM, T/12), poly- (phenyl-diformyl between dimethyl diamino-dicyclohexyl methane
Amine/dimethyl diamino-dicyclohexyl methane dodecane acid amides) (polyamide MACM, I/MACM, 12),
And the like.
In one embodiment, polyamide used herein is selected from aromatic polyamide.For example herein
Polyamide used may be selected from polyamide 4, T/4,6, polyamide 4, T/6,6, polyamide 6, T/6,6, polyamides
Amine 6, T/6,6 ,/6, polyamide 6, T/6, I, polyamide 6, T/D, T, polyamide 6, T/6,10, polyamide 9, T,
Polyamide 10, T, polyamide MXD6 and its combination of two or more.Or, it is used herein
At least one polyamide is polyamide 6, T/6,6.
Based on the gross weight of flame-retardant polyamide composition disclosed herein, at least one polyamide
Amount can be about 30-75 weight %, or about 35-70 weight %, or about 40-65 weight %.
Halogen-containing flame retardant used herein can be it is any can be for the daiamid composition provides resistance
Fire the halogenated compound of property.For example, the halogen-containing flame retardant can be bromo or chlorinated compound,
Or bromo compound, or be for about the bromine of 50-70 weight % relative to the weight bromine content of bromo compound
For compound.In one embodiment, halogen-containing flame retardant used herein is halogenated polymer,
Or the polymer containing halo aromatic ring.In another embodiment, it is used herein containing halogen flame retardant
Agent is selected from Brominated Polystyrene (such as Pyrochek of Albemarle Corporation (U.S.)TM68PB
Or SaytexTMHP7010 or SaytexTM3010), polyphenylene oxide (such as Great Lakes of bromo
The PO64P of Corporation (U.S.)), polydibromstyrol, (such as PDBS80 of Great Lakes),
Poly- phenylstilbene bromide, poly- pentabromo- styrene, polydichlorstyrene, poly- trichlorostyrene, poly- pentachlorobenzene
Ethene, poly- three bromo- AMS, poly- two bromo- p- phenylate, poly- three bromo- p- phenylate, poly- two is chloro-
P- phenylate, gathers bromo- p- phenylate, gathers bromo- o- phenylate, acrylic acid pentabromo- benzene methyl (such as AmeriBrom
The FR1025 in (U.S.)), ethylenebis tetrabromo phthalimide (such as Albemarle Corporation
SaytexTMBT-93W), PBBs, phenoxy group containing bromo and chlorine-containing flame retardant (such as Occidental
The DeChlorane of Chemical Corporation (U.S.)TM), or other bromo compounds are such as
The Saytex of AlbemarleTM8010).In another embodiment, the halogenated polymer is halogen
For polystyrene or halo polyphenylene oxide.In another embodiment, it is used herein containing halogen flame retardant
Agent is poly- bromstyrol or Brominated Polystyrene.
It is described at least one containing halogen based on the gross weight of flame-retardant polyamide composition disclosed herein
The content of fire retardant can be about 8-30 weight %, or about 10-27%, or about 12-24 weight %.
Calcium stannate used herein includes calcium tin-oxide (CaSnO3) and dicalcium tin tetroxide
(Ca2SnO4).Calcium stannate used herein can also be hydration or non-hydrated form.In an implementation
In scheme, calcium stannate used herein is calcium tin-oxide (CaSnO3·xH2O, x=0-5).Another
In individual embodiment, calcium stannate used herein is non-hydrated calcium tin-oxide (CaSnO3)。
Based on the gross weight of flame-retardant polyamide composition disclosed herein, the content of the calcium stannate can
Being about 0.5-10 weight %, about 0.7-7 weight % or about 0.9-4 weight %.
Antidrip agent used herein can be to be added in polymeric material to prevent when the polymer
The organic material of the resin drippage that material burns when catching fire.There is polytype organic material can conduct
Antidrip agent in polymeric material, its include but is not limited to ionomer, polytetrafluoroethylene (PTFE) (PTFE),
TLCP (LCP) etc..Antidrip agent used herein is not limited especially, can appoint
The type of drippage can be effectively prevented when where the polymeric material burns.
Can be used for unrestricted as the ionomer of Antidrip agent herein.Ionomer used herein derives
In parent acid copolymer, wherein, the acid copolymer includes the polymerized unit and α, β-olefinic of alpha-olefin not
The polymerized unit of saturated carboxylic acid, and wherein described hydroxy-acid group by metal ion completely or partially in
With.
For the alpha-olefin in the acid copolymer may include but be not limited to ethene, propylene, 1- butylene,
1- amylenes, 1- hexenes, 1- heptene, 3-methyl-1-butene, 4-methyl-1-pentene etc..
For the α in the acid copolymer, β-ethylenically unsaturated carboxylic acids can be that those have about 3-10 carbon
The compound of atom.Exemplary α, β-ethylenically unsaturated carboxylic acids may include but be not limited to acrylic acid, methyl
Acrylic acid, ethylacrylic acid, itaconic acid, maleic acid, fumaric acid etc..
Additionally, the parent acid copolymer can further include other suitable copolymerisable monomers.
Any suitable metal ion can be used for neutralizing the parent acid copolymer herein.Suitably
Metal ion may include but be not limited to Na+、K+、Li+、Cs+、Ag+、Hg+、Cu+、Mg+2、Ca+2、
Sr+2、Ba+2、Cu+2、Cd+2、Hg+2、Sn+2、Pb+2、Fe+2、Co+2、Ni+2、Zn+2、Al+3、
Sc+3、Fe+3、Y+3。
Ionomer used herein or commercially available, such as comes from E.I.du Pont de Nemours and
Company (U.S.A.) (hereinafter " DuPont "), trade name
Term polytetrafluoroethylene PTFE used herein refers to the homopolymers and tetrafluoroethene of tetrafluoroethene
Copolymer.Additionally, the PTFE of cladding can also herein be used as Antidrip agent.Tetrafluoro second used herein
The copolymer of alkene can be selected from ethylene-tetrafluoroethylene copolymer (E-TFE), vinylidene fluoride-tetrafluoroethene
Copolymer (VDF-TFE), tetrafluoroethene-TFE copolymer (VDF-TFE), trifluoro-ethylene-
TFE copolymer (TrFE-TFE), hexafluoropropene-TFE copolymer (HFP-TFE) etc..
Covering material for coating PTFE can be selected from polyamide, polyester, polysulfones, makrolon, poly-
Thermoplasticity or the thermosetting polymerization of methyl methacrylate, unsaturated polyester (UP), phenolic resin, epoxy etc.
Thing.
It is used herein that any suitable thermotropic LCP can serve as Antidrip agent.For example, this
Thermotropic LCP used by text can be selected from comprising being derived from N- [4- (chloroformyl phenyl)] -4- (chlorine
Formoxyl) phthalimide monomer polymer, by containing siloxanes spacer unit two
Amine and pyromellitic acid anhydride (PMDA) synthesis polyimides or by containing siloxanes interval base list
Unit diamines and 3,3 ', 4,4 '-bibenzene tetracarboxylic dianhydride (BPDA) synthesis polyimides, comprising derivative
Polymer, P-hydroxybenzoic acid and terephthalic acid (TPA) in the monomer of 4,4 '-dihydroxy Bisphenyloxyalkanes
The copolymer of glycol ester, the aromatic polyester based on furan dicarboxylic acid, amide group be joined directly together but
Be not complete contraposition be connected to the polyamide of phenyl ring, comprising two (4- carbonyls phenylene) terephthalic acid (TPA)s
Ester units and the polyesteramide of unit, polyhenylene Asia ethene, polythiophene etc. as derived from aliphatic diamine.
Based on the gross weight of flame-retardant polyamide composition disclosed herein, the content of the Antidrip agent
Can be about 0.3-5 weight %, 0.4-4 weight % or 0.5-3 weight %.
Flame-retardant polyamide composition disclosed herein can further include other additives, such as colouring agent,
Antioxidant, UV stabilizer, UV absorbents, heat stabilizer, lubricant, viscosity modifier, into
Core agent, plasticizer, releasing agent, scraping modifying agent, impact modifier, emulsifying agent, pigment, fluorescence
Brightening agent, antistatic additive, sour adsorbent, odor adsorption agent, hydrolysis-resisting agent, antibacterial agent, density
Conditioning agent, heat conductive filler, electroconductive stuffing and its combination of two or more.Based on herein
The gross weight of disclosed flame-retardant polyamide composition, the amount of these additives (one or more) can
Being about 0.005-20 weight % or about 0.01-15 weight %, or about 0.02-10 weight %, or about
0.05-5 weight %.
Flame-retardant polyamide composition disclosed herein is the blend of melting mixing, wherein all of poly-
Among polymer component is all well dispersed into each other, and all of non-polymeric ingredients are all uniformly dispersed
And constrain in the polymer matrix so that the blend forms unified entirety.Can use any
Melt-mixing method is combining the polymers compositions and non-polymeric ingredients of the compositions disclosed herein.
The known flame-retardant nature in order to improve polyamide, effective retardant synergist need with it is halogen-containing
Fire retardant is used in combination, and as proved herein, is used in combination calcium stannate and Antidrip agent can be further
The effect of halogen-containing flame retardant in collaboration enhancing thermoplastic polymer.
There is disclosed herein the product as made by flame-retardant polyamide composition disclosed herein.For example,
This flame-retardant polyamide composition can be used for automobile component or electrical/electronic components.Exemplary product bag
Include but be not limited to engine components, connector, solenoid, switch, tool framework, transformer coil
Framework etc..
Specific embodiment
Material：
·PA6T/66:The polyamide 6 T obtained by DuPont, 66 resins, trade name
HTN502；
·G-Fiber:The glass fibre obtained by Nippon Electric Glass Co., Ltd.s (Japan),
Trade name ECS03 T-262H；
·ZB:The Firebrake ZB obtained by U.S.Borax Inc. (U.S.), trade name FirebrakeTM500；
·HFR (halogen-containing flame retardant)：By Albemarle Co., the bromo polyphenyl that Ltd. (U.S.) is obtained
Ethene, trade name SaytexTM3010；
·Magnesium stannate：Obtained by Shandong Jiqing Chemical Co., Ltd. (China)；
·Zinc stannate：Obtained by William Blythe Ltd. (Britain), trade name Flamtard S；
·Calcium stannate：The CaSnO obtained by Alfa Aesar (U.S.)3；
·Alkaline zinc phosphite：The 3ZnOZnHPO obtained by Guanghua Science ＆ Technology Co., Ltd., Shanghai (China)3；
·Ionomer sodium salt：The ionomer resin obtained by Dupont, trade name8920。
Comparing embodiment CE1-CE9 and embodiment E1-E2
In each CE1-CE9 and E1-E2, mix by 32mm ZSK double screw extruders
Prepare polymer composition (whole components are listed in table 1).Barrel temperatures set at about 320 DEG C,
Screw speed is set in about 300rpm.From extruder out after, the composition of blending is cooled and is cut into
Resin particle, is then dried overnight.
It is 170 × 10 × 4mm by dry resin particle injection moulding resulting in embodiments
ISO global function prods, melt temperature and Mold Temperatures set are for about 315 DEG C and about 110 DEG C.
By prod vacuum sealing in paper tinsel inner lining plastic bag with keep its as be molded when dried strip
Part, until cutting and determining stretching by force at 23 DEG C according to ISO 527-1/-2 on cupping machine
Degree.
Additionally, according to UL-94 and under above-mentioned identical condition of molding, by dry resin particle (such as
It is obtained above) injection moulding be 127 × 12.7 × 0.8mm prods.Determining, UL-94 is flammable
Before property grade, the prod is adapted to 48 hours under 23 DEG C and 50% relative humidity.Result is arranged
In table 1.
As for weightless test, by the dry blended particles cutting about 10mg resins, then by it
Be placed in thermogravimetric analyzer (TA Instrument (U.S.), model Q500), by temperature from room temperature with
The speed of 20 DEG C/min rises to 350 DEG C.Then by sample 350 DEG C keep 10min, starting and
The poor of measured weight is recorded in table 1 at the end of keeping 10min.
As CE7-CE9 is proved, when without Antidrip agent (such as sodium salt of ionomer), bag
Include HFR (halogen-containing flame retardant) and metal stannate (such as magnesium stannate, zinc stannate or calcium stannate)
Flame retardant combination without the flame-retardant nature of polyamide can be improved to V-0 (UL-94 grades).Together
When, as shown in CE5 and CE6, even if addition Antidrip agent, including HFR and magnesium stannate is fire-retardant
Agent combination or the flame retardant combination including HFR and zinc stannate still can not improve the flame-retardant nature of polyamide
To V-0.However, as shown in E1 and E2, when with the addition of Antidrip agent, including HFR and stannic acid
The flame retardant combination of calcium improves to V-0 the flame-retardant nature of polyamide.Additionally, as shown in CE3, to the greatest extent
Pipe includes that HFR will with the flame retardant combination (when with the addition of Antidrip agent at the same time) of alkaline zinc phosphite
The flame-retardant nature of polyamide improves to V-0, but the notable mistake after also causing heating is combined using such
Weight.Additionally, when E1 is compared with CE1, CE2 or CE3, it is concluded that with the addition of
Flame retardant combination including HFR, calcium stannate and Antidrip agent can further improve thermoplastic polymer's
Heat endurance.
Claims (10)
1. flame-retardant polyamide composition, including：
A) at least one polyamide；
B) at least one halogen-containing flame retardant of 8-30 weight %；
C) calcium stannate of 0.5-10 weight %；
D) at least one Antidrip agent of 0.3-5 weight %；
All weight percents sum including all components in the composition is 100 weight %.
2. the flame-retardant polyamide composition of claim 1, based on the total of the flame-retardant polyamide composition
Weight, wherein the amount of at least one polyamide is 30-75 weight %, or 35-70 weight %, or
40-65 weight %.
3. the flame-retardant polyamide composition of claim 1, based on the total of the flame-retardant polyamide composition
Weight, wherein the amount of at least one halogen-containing flame retardant is 10-27 weight % or 12-24 weight
%.
4. the flame-retardant polyamide composition of claim 1, based on the total of the flame-retardant polyamide composition
Weight, wherein the amount of the calcium stannate is 0.7-7 weight % or 0.9-4 weight %.
5. the flame-retardant polyamide composition of claim 1, based on the total of the flame-retardant polyamide composition
The amount of the wherein described at least one Antidrip agent of weight is 0.4-4 weight % or 0.5-3 weight %.
6. in claim 1-5 any one flame-retardant polyamide composition, wherein described at least one poly-
Acid amides is aromatic polyamide, or at least one polyamide is selected from by polyamide 4, T/4,6, polyamides
Amine 4, T/6,6, polyamide 6, T/6,6, polyamide 6, T/6,6 ,/6, polyamide 6, T/6, I, polyamide 6, T/D, T,
Polyamide 6, T/6,10, polyamide 9, T, polyamide 10, T, polyamide MXD6, and its two kinds or more
The group that various combinations is constituted, or, at least one polyamide is polyamide 6, T/6,6.
7. in claim 1-5 any one flame-retardant polyamide composition, wherein at least one contains
Halogen flame is selected from the group being made up of halogenated polystyrene and halo polyphenylene oxide, or at least one
Halogen-containing flame retardant is poly- bromstyrol or Brominated Polystyrene.
8. in claim 1-5 any one flame-retardant polyamide composition, wherein described at least one anti-
Dripping agent is selected from by ionomer, polytetrafluoroethylene (PTFE) (PTFE), the PTFE, the thermotropic liquid crystal that coat
The group that polymer (LCP) and its combination of two or more are constituted, or at least one
Antidrip agent is ionomer.
9. the product for being formed by the flame-retardant polyamide composition of any one in claim 1-8.
10. the product of claim 9, it is mechanograph.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114055890A (en) * | 2021-10-19 | 2022-02-18 | 厦门长塑实业有限公司 | Heat-sealable antistatic polyamide co-extruded composite film and preparation method and application thereof |
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