CN102464869A - Photostable copolyether ester composition - Google Patents
Photostable copolyether ester composition Download PDFInfo
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- CN102464869A CN102464869A CN201010538249XA CN201010538249A CN102464869A CN 102464869 A CN102464869 A CN 102464869A CN 201010538249X A CN201010538249X A CN 201010538249XA CN 201010538249 A CN201010538249 A CN 201010538249A CN 102464869 A CN102464869 A CN 102464869A
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Abstract
The invention provides a photostable copolyether ester composition containing no carbon black. The composition comprises, on the basis of the total weight of the composition, (a) about 91.5 to 95.4 wt% of at least one copolyether ester, (b) about 0.1 to 2 wt% of at least one hindered amine light stabilizer and (c) about 4.5 to 6.5 wt% of at least one mineral filler, wherein, the mineral filler is titanium dioxide particles, cerium oxide particles, zinc oxide particles or combined mineral particles of two or more selected from the group consisting of the titanium dioxide particles, the cerium oxide particles and the zinc oxide particles.
Description
Technical field
The application relates to a kind of copolyetherester compositions of ultraviolet light stabilized.
Background technology
Based on its excellent tear strength, tensile strength, flex life, wear resistance and the suitability under the temperature of wide region, thermoplastic copolyether ester elastomer is applicable to multiple application.But copolyether ester is responsive especially (referring to for example: F.Gugumus:R.Gchter, H.M ü ller (volume) to ultraviolet (UV) irradiation; " plastics additive handbook, the third edition, Hanser press, 1990,170 pages in Munich).And many outdoor goods of being processed by copolyether ester can be exposed under the uv irradiation in normal use.Therefore, thus the organic ultraviolet photostabilizer often is used as conventional additives joins in the copolyetherester compositions work-ing life that prolongs its goods in order to the performance that improves its ultraviolet light.Yet along with the prolongation that is exposed to the time under the uv irradiation, general organic ultraviolet photostabilizer commonly used can be degraded, and then makes the physicals decline of copolyetherester compositions and make its product surface degraded appearance.Inorganic UV light stabilizing agent of adding such as carbon black also are a kind of methods of known its uvioresistant performance of raising in copolyetherester compositions.But an inevitable result who adds carbon black makes that the final color of used copolyetherester compositions is black or nearly black.So needing copolyetherester compositions at those is that carbon black is not suitable for as UV light stabilizing agent in the application of true qualities or other colors except that black.
For this reason, in the industry technician has also done a lot of trials to improving the ultraviolet light performance do not contain the sooty copolyetherester compositions.For example, WO 00/27914 discloses the thin packing film of being processed by the thermoplastic material with ultraviolet light performance.Said thermoplastic material comprises at least a organic ultraviolet light compound and at least a inorganic anti ultraviolet photochemical compound, and wherein mineral compound can be micronized zinc oxide or micronized titanium oxide.In addition, U.S. Pat 7,754,825 disclose a kind of copolyetherester compositions of ultraviolet light stabilized.Said composition comprises at least a nano particle mineral substance of 0.1-4 weight % and at least a organic ultraviolet photostabilizer such as the hindered amine as light stabilizer of 0.1-4 weight %.
But the copolyetherester compositions of prior art all also need be done further raising on the performance of its ultraviolet light, thereby can reach requirement of actual application.
The application content
The object of the present invention is to provide a kind of stable copolyetherester compositions of sooty light that do not contain basically; It has good ultraviolet light performance, like the yellowness index variation behind the physicals conservation rate behind the high ultraviolet ageing (like fracture norminal strain conservation rate) and the low ultraviolet ageing.And said copolyetherester compositions do not contain carbon black basically, thereby is suitable for being used for making true qualities or non-black light goods.
Disclosed herein is a kind of stable copolyetherester compositions of sooty light that do not contain, and in the gross weight of said copolyetherester compositions, said copolyetherester compositions comprises:
(a) at least a copolyether ester of about 91.5-95.4 weight %,
(b) at least a hindered amine as light stabilizer of about 0.1-2 weight % with
(c) at least a mineral filler of about 4.5-6.5 weight %, said mineral filler comprise and are selected from titanium dioxide granule, cerium oxide particle, Zinc oxide particles and its any two or the mineral particle of more kinds of combination.
In one embodiment, said at least a copolyether ester comprises a plurality of through ester bond multiple long-chain ester units and multiple short-chain ester units from beginning to end, and said long-chain ester units is represented with formula (I):
And said short-chain ester units is represented with formula (II):
Wherein:
G is that number-average molecular weight is that (alkylene ether) glycol that gathers of about 400-6000 or about 600-3000 is removed residual divalent group behind the terminal hydroxy group;
It is about 300 that R is that number-average molecular weight is equal to or less than, or about 10-300, or about 30-200, or the di-carboxylic acid of about 50-100 is removed residual divalent group behind the carboxyl;
It is about 250 that D is that number-average molecular weight is equal to or less than, or about 10-250, or about 20-150, or the divalent alcohol of about 50-100 removes residual divalent group behind the hydroxyl,
And wherein:
Gross weight in said at least a copolyether ester; The content of said multiple long-chain ester units and multiple short-chain ester units is respectively about 1-85 weight % and about 15-99 weight %; Or be respectively about 5-80 weight % and about 20-95 weight %; Or be respectively about 10-75 weight % and about 25-90 weight %, or be respectively about 40-75 weight % and about 25-60 weight %.
In another embodiment, the weight average particle diameter of said mineral particle is about 10-200 nanometer, or about 30-175 nanometer, or about 50-150 nanometer.
In another embodiment, said mineral particle is a titanium dioxide granule.
In another embodiment, said mineral particle is applied by inorganic or organic coating.Said organic coating can comprise at least a following material that is selected from: any two of carboxylic acid, polyvalent alcohol, alkanolamine, silicon-containing compound and above material or more kinds of combinations.Said inorganic coating can comprise at least a following material that is selected from: any two of the oxide compound of silicon, aluminium, zirconium, phosphorus, zinc or REE or hydrous oxide and above material or more kinds of combinations.Said inorganic coating can comprise aluminum oxide.
In another embodiment, said mineral filler comprises that weight average particle diameter is about 10-200 nanometer, or about 30-175 nanometer, or the titanium dioxide granule of about 50-150 nanometer.Said titanium dioxide granule can apply by oxidized aluminium.
In another embodiment; In the gross weight of said copolyetherester compositions, said copolyetherester compositions comprises: the said at least a hindered amine as light stabilizer of the said at least a copolyether ester of about 92.5-95.4 weight %, about 0.1-2 weight % and the said at least a mineral filler of about 4.5-5.5 weight %.
In another embodiment; In the gross weight of said copolyetherester compositions, said copolyetherester compositions comprises: the said at least a hindered amine as light stabilizer of the said at least a copolyether ester of 93.5-95.4 weight %, 0.1-1 weight % and the said at least a mineral filler of 4.5-5.5 weight %.
In another embodiment; In the gross weight of said copolyetherester compositions, said copolyetherester compositions comprises: the said at least a hindered amine as light stabilizer of the said at least a copolyether ester of about 93.8-95.3 weight %, about 0.2-0.7 weight % and the said at least a mineral filler of about 4.5-5.5 weight %.
In another embodiment; In the gross weight of said copolyetherester compositions, said copolyetherester compositions comprises: the said at least a hindered amine as light stabilizer of the said at least a copolyether ester of about 93-94.9 weight %, about 0.1-2 weight % and the said at least a mineral filler of about 5 weight %.
In another embodiment; In the gross weight of said copolyetherester compositions, said copolyetherester compositions comprises: the said at least a hindered amine as light stabilizer of the said at least a copolyether ester of about 94.3-94.8 weight %, about 0.2-0.7 weight % and the said at least a mineral filler of about 5 weight %.
In another embodiment; The fracture norminal strain conservation rate after aging was about 82.5% or higher 1500 hours of said copolyetherester compositions; Or about 82.5-99%, or about 82.5-95%, or about 85-92.5%; Or about 87.5-90%, said fracture norminal strain value is measured in accordance with ISO527-2.
In another embodiment, 1500 hours of said copolyetherester compositions yellowness indexs after aging change less than about 2.5 or less than about 2.4, said yellowness index is measured in accordance with ASTM E313.
Further disclosed herein is a kind of goods that formed by above-described copolyetherester compositions.In one embodiment, said goods are moulded parts.In another embodiment, said goods are the insulation layer or the sheath of cable.
Embodiment
The application provides a kind of stable copolyetherester compositions of sooty light that do not contain basically; Gross weight in said compsn; Said compsn comprises: (a) at least a hindered amine as light stabilizer (HALS) of at least a copolyether ester of about 91.5-95.4 weight %, (b) about 0.1-2 weight % and (c) at least a mineral filler of about 4.5-6.5 weight %, said mineral filler comprise the mineral particle that is selected from titanium dioxide granule, cerium oxide particle, Zinc oxide particles and any two or more kinds of combination.
The copolyether ester that is applicable to copolyetherester compositions disclosed herein comprises a plurality of ester bond multiple long-chain ester units and multiple short-chain ester units from beginning to end of passing through, and said long-chain ester units is represented with formula (I):
And said short-chain ester units is represented with formula (II):
Wherein:
G is that number-average molecular weight is that (alkylene ether) glycol that gathers of about 400-6000 is removed residual divalent group behind the terminal hydroxy group;
R is that number-average molecular weight is equal to or less than about 300 di-carboxylic acid and removes residual divalent group behind the carboxyl;
D is that number-average molecular weight is equal to or less than about 250 divalent alcohol and removes residual divalent group behind the hydroxyl,
And wherein:
Said copolyether ester comprises the said multiple long-chain ester units of about 1-85 weight % and the multiple short-chain ester units of about 15-99 weight %.
In one embodiment, the said copolyether ester that is used for compsn disclosed herein comprises the said multiple long-chain ester units of about 5-80 weight % and the multiple short-chain ester units of about 20-95 weight %.
In another embodiment, the said copolyether ester that is used for compsn disclosed herein comprises the said multiple long-chain ester units of about 10-75 weight % and the multiple short-chain ester units of about 25-90 weight %.
In another embodiment, the said copolyether ester that is used for compsn disclosed herein comprises the said multiple long-chain ester units of about 40-75 weight % and the multiple short-chain ester units of about 25-60 weight %.
Said " long-chain ester units " is meant by long chain diol and di-carboxylic acid and reacts resulting product.Suitable long chain diol be the number-average molecular weight that contains terminal hydroxy group for about 400-6000 or about 600-3000 gather (alkylene ether) divalent alcohol, include but not limited to gather (tetramethylene ether) divalent alcohol, gather (trimethylene ether) divalent alcohol, polypropyleneoxide divalent alcohol, polyethylene oxide divalent alcohol, more than gather the multipolymer of (alkylene ether) divalent alcohol and like the segmented copolymer of ethylene oxide-capped gathering (propylene oxide) divalent alcohol and so on.Said long chain diol also can be the mixture of two or more the above divalent alcohol.
Said " short-chain ester units " is meant by low molecular weight diol or its and becomes ester derivative and di-carboxylic acid to react resulting product.Its number-average molecular weight of low molecular weight diol that is suitable for is equal to or less than about 250 (or about 10-250; Or about 20-150; Or about 50-100), include but not limited to aliphatic dihydroxy compound, alicyclic dihydroxy compound and aromatic dihydroxy compound (comprising bis-phenol).In one embodiment, used low molecular weight diol is the dihydroxy compound that comprises about 2-15 carbon atom, for example terepthaloyl moietie, Ucar 35, isobutyl glycol, 1; 4-butyleneglycol, 1; 4-pentanediol, 2,2-dimethyl propylene glycol, 1,6-pinakon, 1; 10-decanediol, dihydroxyl hexanaphthene, cyclohexanedimethanol, Resorcinol, Resorcinol, 1,5-dihydroxy naphthlene etc.In another embodiment, used low molecular weight diol is the dihydroxy compound that comprises about 2-8 carbon atom.In another embodiment, used low molecular weight diol is 1, the 4-butyleneglycol.The bis-phenol that is applicable to this comprises two (to hydroxyl) biphenyl, two (p-hydroxybenzene) methane and two (p-hydroxybenzene) propane.
The one-tenth ester derivative that is applicable to this low molecular weight diol is meant by above-mentioned low molecular weight diol derive the one-tenth ester derivative of gained, for example the one-tenth ester derivative (like the oxalic acid resorcinol) of one-tenth ester derivative of terepthaloyl moietie (like oxyethane or ethylene carbonate ester) or Resorcinol.At this, the qualification of number-average molecular weight only is applicable to said low molecular weight diol, and therefore about 250 as long as the number-average molecular weight of corresponding low molecular weight diol is equal to or less than, number-average molecular weight becomes ester derivative also to be suitable for greater than about 250 divalent alcohol.
" di-carboxylic acid " of described and above-mentioned long chain diol or low molecular weight diol reaction is lower molecular weight (it be'ss about 300 to be that number-average molecular weight is equal to or less than, or about 10-300, or about 30-200, or about 50-100) aliphatic series, alicyclic or aromatic dicarboxylate.
Said " aliphatic dicarboxylic acid " refers to have the carboxylic acid of two carboxyls that link to each other with saturated carbon atom separately.If the carbon atom that links to each other with carboxyl is saturated and on aliphatic carbocycle, then said carboxylic acid is " alicyclic carboxylic acid ".Said " aromatic dicarboxylate " for have two separately with aromatic ring structure in the di-carboxylic acid of the carboxyl that links to each other of carbon atom.Two carboxyls in said aromatic dicarboxylate differ to establish a capital and will be connected on the same aromatic ring, and when said aromatic dicarboxylate comprises a plurality of aromatic ring, said a plurality of aromatic rings can be through aliphatic series or aromatics divalent group or for example-O-or-SO
2-divalent group link to each other.
Include but not limited to sebacic acid, 1,3-cyclohexane dicarboxylic carboxylic acid, 1,4-cyclohexane dicarboxylic carboxylic acid, hexanodioic acid, pentanedioic acid, 4-hexanaphthene-1 at this aliphatic series or alicyclic di-carboxylic acid that is suitable for; 2-di-carboxylic acid, 2-ethyl suberic acid, pentamethylene di-carboxylic acid, decahydro-1; 5-naphthylidene di-carboxylic acid, 4,4 '-bi(cyclohexan)yl di-carboxylic acid, decahydro-2,6-naphthylidene di-carboxylic acid, 4; 4 '-methylene radical two (cyclohexyl) carboxylic acid and 3,4-furans di-carboxylic acid.In-individual embodiment, said di-carboxylic acid is selected from cyclohexane dicarboxylic carboxylic acid, hexanodioic acid and combination thereof.
Comprise phthalic acid, terephthalic acid, m-phthalic acid, diphenic acid this aromatic dicarboxylate who is suitable for, have two benzene nucleus dicarboxylic compounds (for example two (to carboxyl phenyl) methane, to hydroxyl-1; 5-naphthalic acid, 2; 6-naphthalic acid, 2; 7-naphthalic acid and 4,4 '-sulfonyldibenzoic acid) and above-mentioned aromatic dicarboxylate's C
1-C
12Alkyl or ring substitutive derivative (the for example substituted verivate of halo, alkoxyl group or aryl).This aromatic dicarboxylate who is suitable for can also be for example to (beta-hydroxy oxyethyl group) benzoic alcohol acid.
In an embodiment of copolyetherester compositions disclosed herein, the said di-carboxylic acid that is used to form said copolyether ester component is selected from the aromatic dicarboxylate.In another embodiment, said di-carboxylic acid is selected from the aromatic dicarboxylate with about 8-16 carbon atom.In another embodiment, said di-carboxylic acid can be the independent terephthalic acid or the mixture of terephthalic acid and phthalic acid and/or m-phthalic acid.
In addition, the di-carboxylic acid that is applicable to this also comprises the function equivalent of di-carboxylic acid.In forming the process of copolymerized ether ester polymer, said di-carboxylic acid function equivalent is to react with the essentially identical mode of di-carboxylic acid and above-mentioned long chain diol or low molecular weight diol.The ester that the di-carboxylic acid function equivalent that is suitable for comprises di-carboxylic acid with become ester derivative, for example acyl halide and acid anhydrides.At this, the qualification of described number-average molecular weight only is directed to corresponding di-carboxylic acid, but not its function equivalent (the for example ester of di-carboxylic acid or one-tenth ester derivative).Therefore, about 300 as long as the number-average molecular weight of corresponding di-carboxylic acid is equal to or less than, then number-average molecular weight also is applicable to this greater than about 300 di-carboxylic acid function equivalent.In addition, the di-carboxylic acid that is applicable to this also can comprise any can not influence the basically formation of said copolymerized ether ester polymer and the substituting group or the substituting group combination of the use in described compsn thereof.
The long chain diol that is used to form the said copolyether ester component in the said compsn can be the mixture of two kinds or more kinds of long chain diols.Likewise, low molecular weight diol and the di-carboxylic acid that is used to form said copolyether ester component also can be respectively mixture and two kinds of two kinds or more kinds of low molecular weight diol or the mixture of more kinds of di-carboxylic acid.One preferred embodiment in, at least about the following formula (I) of 70 moles of % and the group of R representative (II) be 1, the 4-phenylene is a tetramethylene at least about the group of D representative in the following formula (II) of 70 moles of %.If when synthesizing said copolyether ester, used two kinds or more kinds of di-carboxylic acid, then preferably used the mixture of terephthalic acid and m-phthalic acid; If used two kinds or more kinds of low molecular weight diol, then preferably use 1,4-butyleneglycol and 1, the mixture of 6-pinakon.
As the said at least a copolyether ester of a component in the said copolyetherester compositions also can be the blend of two kinds or more kinds of copolyether esters.Do not require be used for blend each copolyether ester all preceding text with regard to said long-chain ester units and the disclosed weight percent limited range of said short-chain ester units in.Yet based on weighted mean, the blend of two kinds or more kinds of copolyether esters must be at this paper with regard to copolyether ester in the described limited range.For example; In the blend of two kinds of copolyether esters that comprise equivalent; A kind of copolyether ester can comprise the short-chain ester units of about 10 weight %; Another kind of copolyether ester can comprise the short-chain ester units of about 80 weight %, and the weighted mean of short-chain ester units described in the said blend that then obtains is about 45 weight %.
In one embodiment; Said at least a copolyether ester component in the said copolyetherester compositions is to be 1 by the di-carboxylic acid of the ester of the ester that is selected from terephthalic acid, m-phthalic acid and combination thereof and one, and the low molecular weight diol of 4-butyleneglycol and one are that the long chain diol copolymerization that gathers (tetramethylene ether) glycol or ethylene oxide-capped gathering (propylene oxide) obtains.In another embodiment, said copolyether ester is by the ester of terephthalic acid (for example DMT. Dimethyl p-benzenedicarboxylate) and 1,4-butyleneglycol and gather the copolymerization of (tetramethylene ether) glycol and obtain.
The copolyether ester that is applicable to compsn disclosed herein can for example utilize conventional transesterification reaction through the method preparation that those skilled in the art knew.
In one embodiment; Said preparation method is included in the low molecular weight diol (1 that there are the ester (for example DMT. Dimethyl p-benzenedicarboxylate) of a kind of di-carboxylic acid of heating down, a kind of gathering (alkylene ether) two pure and mild molar excess in catalyzer; The 4-butyleneglycol); Then the methyl alcohol that forms through transesterification reaction is removed in distillation, continues heating until no longer steaming methyl alcohol.According to the consumption of temperature and selection of catalysts and low molecular weight diol, this polyreaction can be accomplished in several hours at several minutes, thereby obtains a kind of low molecular weight prepolymer.This type of prepolymer also can prepare through many other esterifications or ester exchange method, and for example long chain diol can react in the presence of catalyzer until randomization takes place with short-chain ester homopolymer or multipolymer.Above-mentioned short-chain ester homopolymer or multipolymer can pass through dimethyl ester (for example DMT. Dimethyl p-benzenedicarboxylate) and above-mentioned low molecular weight diol (for example 1; The 4-butyleneglycol) transesterify; Or the transesterify of free acid (for example terephthalic acid) and divalent alcohol acetic ester (for example 1,4-butyleneglycol diacetate esters) prepares.Perhaps, above-mentioned short-chain ester multipolymer also can prepare through the direct esterification of suitable acid (for example terephthalic acid), acid anhydrides (for example Tetra hydro Phthalic anhydride) or acyl chlorides (for example p-phthaloyl chloride) and divalent alcohol (for example 1,4-butyleneglycol).Or above-mentioned short-chain ester ester copolymer also can be through other effective ways, and for example acid prepares with the reaction of cyclic ethers or carbonic ether.
And the molecular weight of the prepolymer that is obtained by above method can be improved through distilling excessive low molecular weight diol, and this method is called " polycondensation ".In this polycondensation process, there is further transesterify to take place, thus the arrangement randomization that improves its molecular weight and make copolyetherester units.Be generally and obtain optimum, this polycondensation process is to be lower than the pressure of about 1mm, about 240 ℃-260 ℃ temperature, and inhibitor (for example 1 is arranged; Two [(3, the 5-di-t-butyl-4 hydroxybenzene) PAPP] normal hexanes or 1,3 of 6-; 5-trimethylammonium-2,4,6-three [3; The 5-di-tert-butyl-4-hydroxyl benzyl] benzene) carry out under the condition that exists, and this polycondensation process generally can be shorter than about 2 hours.Long and cause irreversible thermal destruction for fear of RT at high temperature, preferably be used for the catalyzer of transesterification reaction.Multiple catalyzer is all applicable to the application, includes but not limited in organic titanate (for example separately or the tetrabutyl titanate that is used in combination with magnesium acetate or lime acetate), complexing titanate (for example derived from the alkoxide of basic metal or earth alkali metal and the complexing titanate of titanic acid ester), inorganic titanate (for example lanthanium titanate), lime acetate/antimony trioxide mixtures, lithium and the alkoxide of magnesium, inferior tin catalyst and the above-mentioned catalyzer any two or more kinds of combinations.
The said copolyether ester that is applicable to compsn disclosed herein can also be buied on market; For example available from U.S. E.I.Du Pont De Nemours and Co. (E.I.du Pont de Nemours and Company,
conjugated polyether ester elastomer that U.S.A.) (is called " Du Pont " hereinafter).
In the gross weight of said copolyetherester compositions, the content of said at least a copolyether ester can be about 91.5-95.4 weight %, or about 92.5-95.4 weight %; Or about 93-95.4 weight %; Or about 93.8-95.3 weight %, or about 93-94.9 weight %, or about 94.3-94.8 weight %.
At least a HALS that is included in the copolyetherester compositions disclosed herein can be the combination of a kind of HALS or two or more HALS.
The HALS that is suitable for can be selected from the compound with following arbitrary general formula:
In these general formulas, R
1To R
5Be independent substituent.The instance of suitable substituents includes but not limited to hydrogen, ether, ester group, amido, carboxamido-group, C
1-C
20Alkyl, C
2-C
20Thiazolinyl, C
2-C
20Alkynyl, C
6-C
20Aralkyl, C
3-C
20Naphthenic base and C
6-C
20Aryl, itself can comprise various functional groups wherein said substituting group, and the instance of said functional group includes but not limited to alcohol, ketone, acid anhydrides, imines, siloxanes, ether, carboxyl, aldehyde, ester, acid amides, imide, amine, nitrile, ether, urethane and arbitrary combination thereof.
The HALS that is suitable for also comprises polymkeric substance or the oligopolymer that contains above-mentioned HALS.
The HALS that is suitable for also can buy on market, includes but not limited to:
Good-rite
TM3034,3150 and 3159 hindered amine as light stabilizer (can available from U.S. BFGoodrich company (BFGoodrich Corporation));
Tinuvin
TM770,622LD, 123,765,144 and XT850 hindered amine as light stabilizer, Chimassorb
TM119FL and 944 hindered amine as light stabilizer and Uvinul
TM4050H hindered amine as light stabilizer (can available from BASF Aktiengesellschaft (BASF));
Hostavin
TMN20 and N30 hindered amine as light stabilizer and Sanduvor
TMPR31 hindered amine as light stabilizer (can restrain Lay benefactor department (Clariant)) available from Switzerland;
Cyasorb
TMUV3346, UV-500, UV-516 and UV-3529 hindered amine as light stabilizer (can available from U.S. cyanogen secret service industry company (Cytec Industries));
ADK STAB LA63 and ADK STAB LA68 hindered amine as light stabilizer (can available from Japanese Adeka Co., Ltd. (Adeka Corporation));
Uvasil
TM299 hindered amine as light stabilizer (can available from U.S. Chemtura Corporation (ChemturaCorporation)).
In the gross weight of said copolyetherester compositions, the content of said at least a HALS in said copolyetherester compositions can be about 0.1-2 weight %, or about 0.1-1 weight %, or about 0.3-0.6 weight %.
Be applicable to that mineral filler in this disclosed copolyetherester compositions comprises the mineral particle that is selected from titanium dioxide granule, cerium oxide particles, Zinc oxide particles and any two or more kinds of combination.In one embodiment, the mineral particle that is included in the said mineral filler is the nanometer mineral matters particle.In another embodiment, the weight average particle diameter that is included in the mineral particle in the said mineral filler is about 10-200 nanometer, or about 30-175 nanometer, or about 50-150 nanometer.Said mineral filler also can comprise other components to improve its wearing quality or other character.For example, these other components can include but not limited to oxide compound, for example silica, aluminum oxide, White tin oxide, plumbous oxide and chromic oxide etc.
In one embodiment, said mineral filler comprises titanium dioxide granule.
In another embodiment, said mineral filler comprises that weight average particle diameter is about 10-200 nanometer, or about 30-175nm, or the titania nanoparticles of about 50-150 nanometer.
According to the disclosure, the said mineral particle that is included in the said mineral filler also can be applied by suitable organic coating and/or inorganic coating.
The inorganic coating that is suitable for can be by being selected from, but be not limited to, and the inorganic materials of the following stated material is formed: MOX and hydrous oxide, and like the oxide compound and the hydrous oxide of silicon, aluminium, zirconium, phosphorus, zinc or REE etc.In one embodiment, used inorganic coating is made up of aluminum oxide.
The organic coating that is suitable for can be by being selected from, but be not limited to, and the organic materials of the following stated material is formed: carboxylic acid, polyvalent alcohol, alkanolamine, silicon-containing compound and two or more combination thereof.Suitable carboxylic acid includes but not limited to hexanodioic acid, terephthalic acid, LAURIC ACID 99 MIN, tetradecanoic acid, palmitinic acid, Triple Pressed Stearic Acid, oleic acid, Whitfield's ointment, oxysuccinic acid, toxilic acid and two or more combination thereof.At this, " carboxylic acid " that be used to form said organic coating also can comprise the ester of the above carboxylic acid, the salt and the combination thereof of the above carboxylic acid.Suitable polyvalent alcohol includes but not limited to terepthaloyl moietie, Ucar 35, Ucar 35, butyleneglycol, pinakon and two or more combination thereof.Suitable alkanolamine includes but not limited to thanomin, terepthaloyl moietie amine, Propanolamine, Ucar 35 amine and two or more combination thereof.Suitable silicon-containing compound includes but not limited to silicon ester, silane (for example organoalkoxysilane, aminosilane, epoxy silane and hydrosulphonyl silane), siloxanes (for example polyhydroxy siloxane) and two or more combination thereof.In one embodiment, the silane that is used to form said organic coating has formula R
xSi (R ')
4-x, wherein R is the aliphatic series with non-hydrolysable of about 1-20 carbon atom, alicyclic or aromatic group, R ' is one or more hydrolyzable groups, and for example alkoxyl group, halogen, acetoxyl group or hydroxyl, X is 1,2 or 3 integer.In another embodiment, the silane that is used to form said organic coating can be selected from but be not limited to hexyl Trimethoxy silane, octyltri-ethoxysilane, nonyl triethoxyl silane, decyl triethoxyl silane, dodecyl triethoxyl silane, tridecyl triethoxyl silane, tetradecyl triethoxyl silane, pentadecyl triethoxyl silane, hexadecyl triethoxyl silane, heptadecyl triethoxyl silane, octadecyltriethoxy silane, N-(2-amino-ethyl) 3-aminopropyl methyl dimethoxysilane, N-(2-amino-ethyl) 3-TSL 8330,3-aminopropyltriethoxywerene werene, 3-glycidoxypropyltrimewasxysilane, 3-glycidoxypropyl methyl dimethoxysilane, 3-sulfydryl propyl trimethoxy silicane and two or more combination thereof.
In one embodiment, the said mineral particle (for example titanium dioxide granule or titania nanoparticles) that is included in the said mineral filler is applied by a kind of inorganic coating (for example aluminum oxide).In addition, the said mineral particle that is applied by inorganic coating also can further be applied by other coating (for example a kind of organic coating).
When comprising coating; Said organic coating can account for about 0.1-10 weight % of the gross weight of said mineral filler; Or about 0.5-7 weight %, or about 0.5-5 weight %, and said inorganic coating can account for about 0.25-50 weight % of the gross weight of said mineral filler; Or about 1-25 weight %, or about 2-20 weight %.
Be included in any method preparation that the said mineral particle (for example titanium dioxide granule) in the said mineral filler can be known by one of skill in the art.Also can use phosphoric acid, metal phosphate, metal halide, metal carbonate, metal sulfate and combination thereof with the crystallinity of controlling said mineral particle, amorphous degree or abradibility in addition.The example of above-mentioned metal includes but not limited to sodium, potassium, aluminium, tin and zinc.
In the gross weight of said copolyetherester compositions disclosed herein, the content of said at least a mineral filler can be about 4.5-6.5 weight %, or about 4.5-5.5 weight %, or about 5 weight %.
Said copolyetherester compositions disclosed herein also can comprise other additives, for example tinting material, inhibitor, thermo-stabilizer, lubricant, weighting agent, toughener, viscosity modifier, nucleator, softening agent, releasing agent, fire retardant, scraping regulator, impact modifier and two or more combination thereof.
But copolyetherester compositions disclosed herein does not contain carbon black basically.Said " not containing carbon black basically " is meant, in the gross weight of said copolyetherester compositions, said sooty content is below about 0.1 weight %.
In one embodiment, in the gross weight of said copolyetherester compositions, the content of said at least a copolyether ester, said at least a HALS and said at least a mineral filler:
Be respectively about 92.5-95.4 weight %, about 0.1-2 weight % and about 4.5-5.5 weight %; Or
Be respectively about 93.5-95.4 weight %, about 0.1-1 weight % and about 4.5-5.5 weight %; Or
Be respectively about 93.8-95.3 weight %, about 0.2-0.7 weight % and about 4.5-5.5 weight %; Or
Be respectively about 93-94.9 weight %, about 0.1-2 weight % and about 5 weight %; Or
Be respectively about 94.3 weight %, about 0.2-0.7 weight % and about 5 weight %.
Said copolyetherester compositions disclosed herein is the blend of melting mixing; Wherein all polymeric constituents are scattered between each fully; And all non-polymer compositions are evenly dispersed in the polymeric matrix and combine through polymeric matrix, thereby make said blend form the integral body of homogeneous.The mixing of polymeric constituent in the said copolyetherester compositions and non-polymer composition can be carried out through any melting mixing method.
In one embodiment, in said melting mixing process, said mineral filler is that the form with masterbatch is added into, and said masterbatch is to be scattered in the polymeric matrix of copolyether ester for example by the mineral particle with high density to prepare.
In another embodiment; Said melting mixing process comprises polymeric constituent and the non-polymer composition is disposable or gradation joins in the melt mixer (for example list or twin screw extruder, blending machine, kneading machine or Banbury), then melting mixing.When gradation adds polymeric constituent and non-polymer composition; At first partly polymeric constituent and/or non-polymer composition are partly added and add and melting mixing; Then add and remaining polymeric constituent of melting mixing and remaining non-polymer composition, until the compsn that obtains complete mixing.
As embodiment showed by following, under the situation that has HALS to exist, along with the increase of the content of said mineral filler (like titanium dioxide granule), the fracture norminal strain conservation rate of said copolyetherester compositions (1500 hours aging backs) also improving.But when the too high levels (like 7 weight % or higher) of said mineral filler, the fracture norminal strain conservation rate of said copolyetherester compositions (1500 hours aging backs) has but unexpectedly reduced.In addition, along with the increase of the content of said mineral filler, the yellowness index behind said copolyetherester compositions aging changes (Δ YI) and has reduced.So; After aging, have higher light stability and lower variable color degree compared to the copolyetherester compositions of previous document at the said copolyetherester compositions of at least a mineral filler of this disclosed at least a HALS that comprises at least a copolyether ester of about 91.5-95.4 weight %, about 0.1-2 weight % and about 4.5-6.5 weight %.In addition, because they do not contain carbon black basically, be suitable for use in the product that formation has white, true qualities or light color at this disclosed said copolyetherester compositions.
In view of the above, the fracture norminal strain conservation rate after aging can be about 82.5% or higher 1500 hours of copolyetherester compositions disclosed herein, or about 82.5-99%, or about 82.5-95%, or about 85-92.5%, or about 87.5-90%.Said fracture norminal strain value is measured in accordance with ISO527-2; And said 1500 hours aging be to abide by ISO4892-2 its spin manifold temperature is being located at 38 ± 3 ℃; The standard black plate temperature is located at 65 ± 3 ℃, and relative humidity is located at 50 ± 10%, and irradiation intensity is located at 0.51w/m
2Carry out under the situation of (under 340 nano wave lengths).In addition, to change (Δ YI) can also further be less than about 2.5 or less than about 2.4 to 1500 of said copolyetherester compositions hours yellowness indexs after aging.Said yellowness index is measured in accordance with ASTM E313.
Can pass through the procedure known to those skilled in the art, for example injection moulding, blowing, extrude, thermoforming, fusion curtain coating, rotational molding and slush moulding, said copolyetherester compositions is configured as goods.Can said copolyetherester compositions be formed on the goods by the material different preparation through moulding.Can said copolyetherester compositions be processed film through extrusion molding.Can also said copolyetherester compositions be configured as the insulation layer or the sheath of cable through extrusion molding.
The goods that comprise said copolyetherester compositions can include but not limited to the sheath and/or the insulation layer of automobile safe airbag lid, vehicular meter plate member, other molded automobile inner parts, pipeline, furniture parts (the for example parts of office furniture, indoor furniture and outdoor furniture), footwear component, roof liner, outdoor clothes, water management system parts, cable.
Embodiment
Material:
Copolyether ester: be derived from Du Pont
5556 conjugated polyether ester elastomers;
TiO 2 : be derived from Du Pont
Photostabilizer 210, it is about 130-140 nanometer of weight average particle diameter and the titanium oxide after alumina surface is handled; With
HALS: available from BASF Aktiengesellschaft (BASF)
944 hindered amine as light stabilizer.
Test condition:
Fracture norminal strain and stress-at-break: the mode through injection moulding is prepared into the dumbbell shaped test bars with copolyetherester compositions earlier, and abides by requirement mensuration its fracture norminal strain and stress-at-break value of ISO527-2.
Yellowness index (YI): the mode through injection moulding is prepared into the test bars of 60x60x2mm with copolyetherester compositions earlier, and abides by the requirement of ASTM E313 its yellowness index of x-rite 8200 spectrophotometric determinations with the production of U.S. Ai Seli (X-Rite) company.
Aging: burn-in test is the requirement of abideing by ISO4892-2, uses Ci4000 type xenon lamp aging case (available from U.S. Atlas Material Testing Solutions) to carry out.In weathering process, the spin manifold temperature of ageing oven is located at 38 ± 3 ℃, and the standard black plate temperature is located at 65 ± 3 ℃, and relative humidity is located at 50 ± 10%, and irradiation intensity is located at 0.51w/m
2(under 340 nano wave lengths).Weathering process comprises 102 minutes long dried cycles of alternative and 18 minutes long water spray cycles.
Test result:
All are included in the component and the content thereof of each copolyetherester compositions that is used for embodiment E 1 and comparative example CE1-5 and all list in the following table 1.The copolyetherester compositions that is used for embodiment E 1 and comparative example CE2-5 is prepared by following method.At first through one extrusion temperature being located at 150-230 ℃, extruded velocity is located at the ZSK30 twin screw extruder (available from German Coperion W P company) that 300rpm and throughput capacity be located at 30lb/hr and prepares the TiO that contains 35 weight %
2TiO with the copolyether ester of 65 weight %
2Masterbatch.Then, with an amount of copolyether ester, TiO
2Masterbatch and HALS are dry, premix and through one with extrusion temperature be located at 220-235 ℃, extruded velocity be located at ZSK26 twin screw extruder (available from German Coperion W P company) that 300rpm and throughput capacity be located at 20kg/hr with its melt blending to obtain used copolyetherester compositions.
Each copolyetherester compositions that will be used for embodiment E 1 and comparative example CE1-5 is injection molded into the dumbbell shaped test bars, and as stated its fracture norminal strain and stress-at-break is measured, and the result lists in table 1.In addition, fracture norminal strain and stress-at-break that the dumbbell shaped test bars of top gained carries out wearing out in 1500 hours after also as stated it being worn out are measured, the result lists in table 1.That then, calculates used copolyetherester compositions is listed in table 1 through 1500 hours " fracture norminal strain conservation rate " and " stress-at-break conservation rates " after aging.
In addition, each copolyetherester compositions that also will be used for embodiment E 1 and comparative example CE1-5 is injection molded into the test bars of 60x60x2mm, and as stated its YI is measured, and the result lists in table 1.In addition, to the test bars of the 60x60x2mm of top gained carry out 1500 hours aging and the YI after aging measures to it as stated, the result lists in table 1.That then, calculates used copolyetherester compositions is listed in table 1 through 1500 hours " yellowness index change (Δ YI) " after aging.
Show like the gained result, under the situation that has HALS to exist, work as TiO
2Content when being higher than 4 weight %, " fracture norminal strain conservation rate " and " breaking strain conservation rate " behind said copolyetherester compositions aging are improved.But gained is the result also show, works as TiO
2Content when for example increasing further to 7 weight % (comparative example CE5), " fracture norminal strain conservation rate " behind used copolyetherester compositions aging reduced on the contrary.In addition, along with the increase of the content of said mineral filler, the yellowness index behind said copolyetherester compositions aging changes (Δ YI) and has reduced.
Claims (20)
1. one kind does not contain the stable copolyetherester compositions of sooty light, and in the gross weight of said copolyetherester compositions, said copolyetherester compositions comprises:
(a) at least a copolyether ester of 91.5-95.4 weight %,
(b) at least a hindered amine as light stabilizer of 0.1-2 weight % with
(c) at least a mineral filler of 4.5-6.5 weight %, said mineral filler comprise and are selected from titanium dioxide granule, cerium oxide particle, Zinc oxide particles and its any two or the mineral particle of more kinds of combination.
2. copolyetherester compositions as claimed in claim 1 is characterized in that, said at least a copolyether ester comprises a plurality of through ester bond multiple long-chain ester units and multiple short-chain ester units from beginning to end, and said long-chain ester units is represented with formula (I):
And said short-chain ester units is represented with formula (II):
Wherein:
G is that number-average molecular weight is that (alkylene ether) glycol that gathers of 400-6000 or 600-3000 is removed residual divalent group behind the terminal hydroxy group;
R is that number-average molecular weight is equal to or less than 300, or 10-300, or 30-200, or residual divalent group behind the di-carboxylic acid of the 50-100 removal carboxyl;
D is that number-average molecular weight is equal to or less than 250, or 10-250, or 20-150, or residual divalent group behind the divalent alcohol of the 50-100 removal hydroxyl,
And wherein:
Gross weight in said at least a copolyether ester; The content of said multiple long-chain ester units and multiple short-chain ester units is respectively 1-85 weight % and 15-99 weight %; Or be respectively 5-80 weight % and 20-95 weight %; Or be respectively 10-75 weight % and 25-90 weight %, or be respectively 40-75 weight % and 25-60 weight %.
3. according to claim 1 or claim 2 copolyetherester compositions is characterized in that the weight average particle diameter of said mineral particle is the 10-200 nanometer, or the 30-175 nanometer, or the 50-150 nanometer.
4. like each described copolyetherester compositions among the claim 1-3, it is characterized in that said mineral particle is a titanium dioxide granule.
5. like each described copolyetherester compositions among the claim 1-4, it is characterized in that said mineral particle is applied by inorganic or organic coating.
6. copolyetherester compositions as claimed in claim 5 is characterized in that, said organic coating comprises at least a following material that is selected from: any two of carboxylic acid, polyvalent alcohol, alkanolamine, silicon-containing compound and above material or more kinds of combinations.
7. copolyetherester compositions as claimed in claim 5; It is characterized in that said inorganic coating comprises at least a following material that is selected from: any two of the oxide compound of silicon, aluminium, zirconium, phosphorus, zinc or REE or hydrous oxide and above material or more kinds of combinations.
8. copolyetherester compositions as claimed in claim 7 is characterized in that said inorganic coating comprises aluminum oxide.
9. according to claim 1 or claim 2 copolyetherester compositions is characterized in that said mineral filler comprises that weight average particle diameter is the 10-200 nanometer, or the 30-175 nanometer, or the titanium dioxide granule of 50-150 nanometer.
10. copolyetherester compositions as claimed in claim 9 is characterized in that, the oxidized aluminium of said titanium dioxide granule applies.
11. like each described copolyetherester compositions among the claim 1-10; It is characterized in that; In the gross weight of said copolyetherester compositions, said copolyetherester compositions comprises: the said at least a hindered amine as light stabilizer of the said at least a copolyether ester of 92.5-95.4 weight %, 0.1-2 weight % and the said at least a mineral filler of 4.5-5.5 weight %.
12. like each described copolyetherester compositions among the claim 1-10; It is characterized in that; In the gross weight of said copolyetherester compositions, said copolyetherester compositions comprises: the said at least a hindered amine as light stabilizer of the said at least a copolyether ester of 93.5-95.4 weight %, 0.1-1 weight % and the said at least a mineral filler of 4.5-5.5 weight %.
13. like each described copolyetherester compositions among the claim 1-10; It is characterized in that; In the gross weight of said copolyetherester compositions, said copolyetherester compositions comprises: the said at least a hindered amine as light stabilizer of the said at least a copolyether ester of 93.8-95.3 weight %, 0.2-0.7 weight % and the said at least a mineral filler of 4.5-5.5 weight %.
14. like each described copolyetherester compositions among the claim 1-10; It is characterized in that; In the gross weight of said copolyetherester compositions, said copolyetherester compositions comprises: the said at least a hindered amine as light stabilizer of the said at least a copolyether ester of 93-94.9 weight %, 0.1-2 weight % and the said at least a mineral filler of 5 weight %.
15. like each described copolyetherester compositions among the claim 1-10; It is characterized in that; In the gross weight of said copolyetherester compositions, said copolyetherester compositions comprises: the said at least a hindered amine as light stabilizer of the said at least a copolyether ester of 94.3-94.8 weight %, 0.2-0.7 weight % and the said at least a mineral filler of 5 weight %.
16. like each described copolyetherester compositions among the claim 1-15; It is characterized in that the fracture norminal strain conservation rate after aging was 82.5% or higher 1500 hours of said copolyetherester compositions, or 82.5-99%; Or 82.5-95%; Or 85-92.5%, or 87.5-90%, said fracture norminal strain value is measured in accordance with ISO527-2.
17. copolyetherester compositions as claimed in claim 16 is characterized in that, the yellowness index after aging changed less than 2.5 or less than 2.4 1500 hours of said copolyetherester compositions, and said yellowness index is measured in accordance with ASTM E313.
18. goods that form by each described copolyetherester compositions among the claim 1-17.
19. goods as claimed in claim 18 is characterized in that, said goods are moulded parts.
20. goods as claimed in claim 18 is characterized in that, said goods are the insulation layer or the sheath of cable.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105829445A (en) * | 2013-12-20 | 2016-08-03 | 因温斯特技术公司 | Improved polyester-ether resin blends |
| CN107849300A (en) * | 2015-06-19 | 2018-03-27 | 英威达纺织（英国）有限公司 | Improved poly- (ester) containing polyester ether and poly- (alkene) blend |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101155865A (en) * | 2005-02-03 | 2008-04-02 | 纳幕尔杜邦公司 | Light stabilized copolyetherester compositions |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101155865A (en) * | 2005-02-03 | 2008-04-02 | 纳幕尔杜邦公司 | Light stabilized copolyetherester compositions |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105829445A (en) * | 2013-12-20 | 2016-08-03 | 因温斯特技术公司 | Improved polyester-ether resin blends |
| CN105829445B (en) * | 2013-12-20 | 2018-03-23 | 英威达纺织（英国）有限公司 | Improved polyester ether resin admixture |
| CN107849300A (en) * | 2015-06-19 | 2018-03-27 | 英威达纺织（英国）有限公司 | Improved poly- (ester) containing polyester ether and poly- (alkene) blend |
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Application publication date: 20120523 |