WO2020175141A1 - ポリアリレート樹脂組成物及びそれを用いた成形体 - Google Patents
ポリアリレート樹脂組成物及びそれを用いた成形体 Download PDFInfo
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- WO2020175141A1 WO2020175141A1 PCT/JP2020/005379 JP2020005379W WO2020175141A1 WO 2020175141 A1 WO2020175141 A1 WO 2020175141A1 JP 2020005379 W JP2020005379 W JP 2020005379W WO 2020175141 A1 WO2020175141 A1 WO 2020175141A1
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- polyarylate resin
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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
- C08L67/03—Polyesters derived from dicarboxylic acids and dihydroxy compounds the dicarboxylic acids and dihydroxy compounds having the carboxyl- and the hydroxy groups directly linked to aromatic rings
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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
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
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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
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
- C08K5/526—Esters of phosphorous acids, e.g. of H3PO3 with hydroxyaryl 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
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/53—Phosphorus bound to oxygen bound to oxygen and to carbon only
- C08K5/5393—Phosphonous compounds, e.g. R—P(OR')2
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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
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/53—Phosphorus bound to oxygen bound to oxygen and to carbon only
- C08K5/5397—Phosphine oxides
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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
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
- C08K5/541—Silicon-containing compounds containing oxygen
- C08K5/5415—Silicon-containing compounds containing oxygen containing at least one Si—O bond
- C08K5/5419—Silicon-containing compounds containing oxygen containing at least one Si—O bond containing at least one Si—C bond
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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
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
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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
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
Definitions
- the present invention relates to a polyaryle resin composition having excellent heat resistance, transparency, heat discoloration resistance, and moist heat resistance, and a molded product made from the same.
- Patent Document 1 discloses a resin composition containing a polyarylate resin, a polycarbonate resin, a polycarbimide compound and a phosphorus compound.
- the resin composition of Patent Document 1 has a problem that the resistance to moisture and heat and the resistance to thermal discoloration are insufficient during long-term use.
- Patent Documents 2 and 3 disclose resin compositions containing a polyarylate resin, a polycarbonate resin, a silane compound represented by a specific general formula, and a phosphorus compound.
- the resin compositions of Patent Documents 2 and 3 also have a problem that the wet heat resistance and the heat discoloration resistance are insufficient during long-term use.
- Patent Document 1 Japanese Patent Laid-Open No. 20 1 3 _ 1 9 4 1 7 1
- Patent Document 2 JP 2 0 1 0-1 6 3 5 4 9 Publication
- Patent Document 3 Japanese Unexamined Patent Publication No. 20 07 _ 1 1 9 5 2 3
- the present invention is sufficiently excellent in heat resistance, transparency, heat discoloration resistance and moist heat resistance. ⁇ 2020/175 141 2 ⁇ (: 170? 2020 /005379
- the present inventors have found that the above object can be achieved, and arrived at the present invention. That is, the gist of the present invention is as follows.
- a polysilane resin (eight) and a polycarbonate resin (Mitsumi) are added to 100 parts by mass, and a silane compound having a boiling point of 2,000 ° ⁇ or more (containing 0.005 to 5 parts by mass).
- a polyarylate resin composition which comprises a polyarylate resin () and a polycarbonate resin (M) in a content ratio of 5/95 to 95/5 (mass ratio).
- silane compound ( ⁇ ) is a compound represented by the following general formula ( ⁇ ) and having a boiling point of 200° °O or higher:
- the content of the phosphorus compound (mouth) is 0.001 to 1 part by mass based on 100 parts by mass of the polyarylate resin (eight) and the polycarbonate resin (Min). 3) The described polyarylate resin composition.
- the phosphorus compound (mouth) is one or more compounds selected from a phosphite compound, a tertiary phosphine, and a phosphonate compound, and the polyarylate according to (3) or (4). Resin composition.
- the present invention it is possible to provide a polyarylate resin composition that is sufficiently excellent in heat resistance, transparency, heat discoloration resistance, and moist heat resistance, and a molded product formed from the same.
- the polyarylate resin composition of the present invention comprises a polyarylate resin (eight) and a polycarbonate resin (m), and a polysilane containing a silane compound (o) having a boiling point of 200° o or higher with respect to 100 parts by mass in total. It is an allylate resin composition.
- the content ratio of polyarylate resin and polycarbonate resin (Mitsumi) is 5/95 to 95/5 (mass ratio), and from the viewpoint of further improving the balance between heat resistance and moist heat resistance, it is 10/90 to 90/ 10 (mass ratio) is preferable,
- the content ratio of the polyarylate resin (8) is less than 5% by mass, the heat resistance and the wet heat resistance are poor. If the content ratio exceeds 95% by mass, heat discoloration resistance, wet heat resistance and fluidity become poor.
- the content ratio of the polyarylate resin () and the polycarbonate resin (M) is preferably 20/80 to 95/5 (mass%). Ratio), more preferably 40/60 to 95/5 (mass ratio), more preferably 60/40 to 93/7 (mass ratio), and more preferably 80/20 to 93/7 (mass ratio). is there.
- the heat discoloration resistance is a property of a molded article using the polyarylate resin composition, in which discoloration due to heat can be sufficiently suppressed.
- the heat discoloration resistance includes a property capable of sufficiently reducing the yellow index after the heat treatment and a property capable of sufficiently reducing the difference between the yellow index before and after the heat treatment.
- Moisture and heat resistance is a property of the molded article using the polyarylate resin composition, which can sufficiently suppress hydrolysis.
- the resistance to moist heat is a property that the decrease in viscosity can be sufficiently suppressed not only by the moist heat treatment under relatively mild conditions but also by the moist heat treatment under relatively severe conditions. Therefore, the molded article using the polyarylate resin composition of the present invention has, for example, not only the viscosity after wet heat treatment at 1300 ° and 75% [3 ⁇ 4 1 to 1, but also 140°° and The viscosity after wet heat treatment at 75% [3 ⁇ 4 1 to 1 is also kept sufficiently high.
- the polyarylate resin (8) used in the present invention is a polyester composed of a divalent phenol residue and an aromatic dicarboxylic acid residue.
- the compound for introducing the divalent phenol residue may be any organic compound containing two phenolic hydroxyl groups in one molecule.
- a phenolic hydroxyl group is a hydroxy group directly bonded to an aromatic ring.
- Specific examples of the raw material for introducing the divalent phenol residue include, for example, 2,2-bis(4-hydroxyphenyl)propane, bis(
- Methyl-cyclohexane 1, 1-bis-(3, 5-diphenyl-4-hydroxyphenyl)-1,3,5-trimethyl-cyclohexane, 1, 1-bis-(3-methyl-4-hydroxyphenyl) _3, 3 1,5-Trimethyl-cyclohexane, 1, 1-bis-(3-phenyl-4-hydroxyphenyl)-3,3,5-trimethyl-cyclohexane, 1,1-bis-(3,5-dichloro-4-hydroxyphenyl)- 3,3,5-Trimethyl-cyclohexane, 1,1,1-bis-(3,5-dibromo-4-hydroxyphenyl)-1,3,3,5-trimethyl-cyclohexane, 1,1-bis(4-hydroxyphenyl) )-Cycloheptane, 1, 1-bis(4-hydroxyphenyl) 1-cyclooctane, 1, 1-bis(4-hydroxyphenyl)-cyclononane, 1, 1-bis(4-hydroxyphenyl)-cycl
- the raw material for introducing the aromatic dicarboxylic acid residue include, for example, terephthalic acid, isophthalic acid, orthophthalic acid, 4,4,-diphenyldicarboxylic acid, diphenylether-2,2,-dicarboxylic acid, dicarboxylic acid, Diphenyl ether-2,3,-dicarboxylic acid, diphenyl ether-2,4,-dicarboxylic acid, diphenyl ether-3,3,-dicarboxylic acid, diphenyl ether-3,4,-dicarboxylic acid, diphenyl ether-4,4 '-Dicarboxylic acid and 2,6-naphthalenedicarboxylic acid. These compounds may be used alone or in combination of two or more kinds.
- the polyarylate resin (8) is preferably used in combination with terephthalic acid and isophthalic acid from the viewpoint of melt processing characteristics and mechanical characteristics.
- the compounding ratio of terephthalic acid and isophthalic acid can be arbitrarily selected, but from the viewpoint of polymerizability, melt processing characteristics and mechanical properties, a molar ratio of 20/80 to 80/20 is preferable. ,
- 30/70 to 70/30 is more preferable, and 40/60 to 60/40 is further preferable.
- the polyarylate resin (8) of the present invention includes an aliphatic diol, an alicyclic diol, and a fatty acid in addition to the divalent phenol residue and the aromatic dicarboxylic acid residue, as long as the effects of the present invention are not impaired. Residues of other components such as group dicarboxylic acid and alicyclic dicarboxylic acid may be contained.
- the aliphatic diol include ethylene glycol and propylene glycol.
- Examples of the alicyclic diol include 1,4-cyclohexanediol, 1,3-cyclohexanediol, and 1,2-cyclohexanediol.
- Examples of the aliphatic dicarboxylic acid include adipic acid and sebacic acid.
- Examples of the alicyclic dicarboxylic acid include 1,4-cyclohexanedicarboxylic acid, 1,3-cyclohexanedicarboxylic acid, and 1,2-cyclohexanedicarboxylic acid.
- the content of the residue of the other component is preferably less than 10 mol% with respect to the total number of moles of the raw material monomer, and more preferably substantially not contained.
- the method for producing the polyarylate resin (8) is not particularly limited, ⁇ 2020/175 141 8 ⁇ (: 170? 2020 /005379
- a product obtained by a known method such as a legal method, a melt polymerization method or a solution polymerization method can be used.
- polyarylate resins obtained by the interfacial polymerization method are preferable from the viewpoint of color tone and molecular weight control.
- two or more polyarylate resins may be used in combination as the polyarylate resin (8).
- the inherent viscosity of the polyarylate resin () is preferably 0.4 to 0.8, and more preferably 0.4 to 0.7, from the viewpoint of heat resistance, mechanical properties, and fluidity. Is more preferable.
- the inherent viscosity can be determined by measuring the temperature at 25° with an Ubbelohde viscometer using 1,1,2,2-tetrachloroethane as a solvent.
- the polycarbonate resin (Mitsumi) used in the present invention is a polycarbonate ester composed of a divalent phenol residue and a carboxylic acid residue.
- the compound for introducing the divalent phenol residue may be any organic compound having two phenolic hydroxyl groups in one molecule.
- a phenolic hydroxyl group is a hydroxy group directly bonded to an aromatic ring.
- Specific examples of the raw material for introducing the divalent phenol residue include, for example, 2,2-bis(4-hydroxyphenyl)propane, bis(
- Methyl-cyclohexane 1, 1-bis-(3, 5-diphenyl-4-hydroxyphenyl)-1,3,5-trimethyl-cyclohexane, 1, 1-bis-(3-methyl-4-hydroxyphenyl) _3, 3 1,5-Trimethyl-cyclohexane, 1, 1-bis-(3-phenyl-4-hydroxyphenyl)-3,3,5-trimethyl-cyclohexane, 1,1-bis-(3,5-dichloro-4-hydroxyphenyl)- 3,3,5-Trimethyl-cyclohexane, 1,1,1-bis-(3,5-dibromo-4-hydroxyphenyl)-1,3,3,5-trimethyl-cyclohexane, 1,1-bis(4-hydroxyphenyl) )-Cycloheptane, 1, 1-bis(4-hydroxyphenyl) 1-cyclooctane, 1, 1-bis(4-hydroxyphenyl)-cyclononane, 1, 1-bis(4-hydroxyphenyl)-cycl
- raw material for introducing a force-bonate residue include, for example, phosgene ⁇ 2020/175 141 1 1 ⁇ (: 170? 2020 /005379
- Carbonyl halides such as benzene and carbonic acid esters such as diphenyl carbonate.
- the method for producing the polycarbonate resin (Mitsumi) is not particularly limited, and those obtained by known methods such as the interfacial polymerization method and the melt polymerization method can be used.
- polycarbonate resins may be used in combination as the polycarbonate resin (Mitsumi).
- the inherent viscosity of the polycarbonate resin is preferably from 0.3 to 0.8, and from 0.3 to 0.7. Is more preferable.
- the inherent viscosity can be determined by measuring the temperature at 25° with an Ubbelohde viscometer using 1,1,2,2-tetrachloroethane as a solvent.
- the silane compound ( ⁇ used in the present invention is not limited in its kind as long as it has a boiling point of 200 ° ⁇ or more, and the polyarylate resin composition obtained has sufficient heat discoloration resistance and wet heat resistance.
- the boiling point of the silane compound ( ⁇ ) is preferably 210°C or more, and 220°C or more from the viewpoint of further improving the balance between heat discoloration resistance and wet heat resistance. More preferably,
- Silane compound (The boiling point of ⁇ is usually 400 ° C or less, and from the viewpoint of further improvement in heat discoloration resistance and moist heat resistance, it is preferably 360°C or less, more preferably 320°C or less.
- the polyarylate resin containing the silane compound is contained. Since the compatibility and dispersibility in the composition are improved and the volatilization from the polyarylate resin composition is suppressed, it is possible to obtain a polyarylate resin composition excellent in heat discoloration resistance and wet heat resistance.
- the boiling point of the silane compound is less than 200 ° ⁇ , heat discoloration resistance and wet heat resistance are deteriorated.
- the silane compound ( ⁇ is, for example, a predetermined boiling point represented by the general formula ( ⁇ ) ⁇ 2020/175 141 12 boxes (: 170? 2020 /005379
- the silane compound can be used.
- the alkoxy group usually has 1 to 10 carbon atoms, preferably 1 to 7 carbon atoms, more preferably 1 to 5 carbon atoms, and further preferably 1 to 3 carbon atoms.
- the alkoxy group may be linear or branched, and is preferably linear. Specific examples of the alkoxy group include a methoxy group, an ethoxy group, a propoxy group, a butoxy group, a pentyloxy group, a hexyloxy group and a heptyloxy group.
- the general formula ( , The plurality of 2 1 s may each independently be selected from the above groups.
- the alkyl group usually has 1 to 10 carbon atoms, preferably 1 to 7 carbon atoms, more preferably 1 to 5 carbon atoms, and further preferably 1 to 3 carbon atoms.
- the alkyl group may be linear or branched, and is preferably linear. Specific examples of the alkyl group include a methyl group, an ethyl group, a propyl group, a butyl group, a pentyl group, a hexyl group, a heptyl group and the like.
- Preferred 2 2 is an alkyl group, particularly an alkyl group having a carbon number of 1-7.
- each of the plurality of [3 ⁇ 4 2 2 s may be independently selected from the above groups.
- Each of 1 and n 2 is independently an integer of 0 to 4, preferably 1 to 4, and more preferably 1 to 3. However, the sum of S 1 and n 2 is an integer of 1 to 4, preferably 3 or 4, and more preferably 4. ⁇ 2020/175 141 13 ⁇ (: 170? 2020 /005379
- Each of 1 and n 2 is independently an integer of 0 to 4, preferably 1 to 4, and more preferably 1 to 3. However, the sum of n 1 and n 2 is 4. In a more preferred embodiment, 1 is an integer from 1 to 3, especially 1 or 2, and 2 is an integer from 1 to 3, especially 2 or 3.
- silane compound of the general formula ( ⁇ _) examples include dimethoxydiphenylsilane (boiling point 304 ° ⁇ , phenyltrimethoxysilane (boiling point 2 18 ° ⁇ ), phenyltriethoxysilane (boiling point 236 ° ⁇ ). ), diethoxydiphenylsilane (boiling point 299° ⁇ , ethoxytriphenylsilane (boiling point 344° ⁇ )) and the like.
- n 1 is an integer of 0 to 4, preferably 1 to 4, more preferably 1 to 3, further preferably 2 or 3, and particularly preferably 3.
- silane compound represented by the general formula ( ⁇ _ ⁇ ) for example, methyltri ⁇ 2020/175 141 14 ⁇ (: 170? 2020 /005379
- Phenylsilane (boiling point 349 ° ⁇ , etc.
- [0041] In the general formula ( ⁇ _ ⁇ ⁇ ⁇ ), [3 ⁇ 4 21 and [3 ⁇ 4 22 are respectively the same as 8 21 and 8 22 in the above-mentioned general formula (0000). _ General formula ( ⁇ 3 ⁇ 4- ⁇ ) preferred that put in [3 ⁇ 4 21 and [3 ⁇ 4 22 respectively, good or in the general formula (hundred).
- n 2 is an integer of 0 to 4, preferably 1 to 3, more preferably 2 or 3, and further preferably 3.
- silane compound represented by the general formula ( ⁇ _ ⁇ ⁇ ) include hexyl trimethyloxy silane (boiling point 202 ° ⁇ ) and the like.
- the silane compound ( ⁇ is a compound represented by the general formula ( ⁇ -I) and ( ⁇ _ It is preferable to use a silane compound having a predetermined boiling point represented by
- silane compounds having a predetermined boiling point represented by the general formulas ( ⁇ - ⁇ ) and ( ⁇ - ⁇ ⁇ ) the following general formulas ( The silane compounds shown can be used particularly preferably.
- the alkyl group as the preferred alkyl group for A alkyl is the same as the group.
- [3 ⁇ 4 2 2 in the general formula (Rei_0 described above is preferred as a [3 ⁇ 4 2 2 in the general formula (hundred described above It is the same as the alkyl group.
- the alkoxy group as is the same as the alkoxy group of [3 ⁇ 4 2 1 in the general formula (Rei_0 described above.
- 3 is a linear or branched alkoxy group.
- the number of doors is an integer of 1 to 4, preferably 1 to 3, more preferably 1 or 2, and further preferably 2.
- silane compound ( ⁇ ) Commercially available products of the silane compound ( ⁇ ) include dimethoxydiphenylphenylsilane (manufactured by Shin-Etsu Silicone Co., Ltd. ⁇ M1 1/1/20 2 2 3 3), phenyltrimethoxysilane (manufactured by Shin-Etsu Silicone Co., Ltd. ⁇ Mitsu IV! -10 3), phenyltriethoxysilane (Shin-Etsu Silicone Co., Ltd., Minami 1 103), hexyltrimethoxysilane (Shin-Etsu Silicon Co., Ltd. 1 ⁇ /1-3 0 63) ..
- the content of the silane compound (o) having a boiling point of 200° or more is ⁇ .
- the polyarylate resin composition of the present invention may further contain a phosphorus compound (mouth).
- the phosphorus compound (1)) is not particularly limited, and for example, one or more compounds selected from a phosphite compound, a tertiary phosphine, a phosphonate compound and the like can be used.
- the phosphorus compound is preferably a phosphite compound or a tertiary phosphine, and particularly preferably a phosphite compound, from the viewpoint of further improving the heat discoloration resistance and wet heat resistance of the resulting polyarylate resin composition.
- the heat discoloration resistance of the polyarylate resin composition is sufficiently improved practically by using the silane compound, but one or more compounds selected from a phosphite compound and a tertiary phosphine are used.
- the heat discoloration resistance can be synergistically improved.
- the moist heat resistance of the polyarylate resin composition is sufficiently improved practically by using the silane compound, but a phosphite compound (preferably a phosphorus atom content of 10% or less, In particular, by containing 6.0% or less of a phosphite compound, it is possible to synergistically improve the moist-heat resistance (particularly the moist-heat resistance under relatively severe conditions).
- a phosphite compound preferably a phosphorus atom content of 10% or less, in particular, by containing 6.0% or less of a phosphite compound, it is possible to synergistically improve the moist-heat resistance (particularly the moist-heat resistance under relatively severe conditions).
- the phosphorus atom content is 10% or less, particularly It is desirable to use less than 6% phosphite compound.
- the moist-heat resistance synergistically improves by using a phosphite compound having a phosphorus atom content of 10% or less, especially 6% or less.
- a phosphite compound having a phosphorus atom content of 10% or less, especially 6% or less it is considered that it is based on the following mechanism.
- the concentration of phosphoric acid generated by decomposition of the compound when a phosphorus compound (especially phosphite compound) is used can be controlled. It can be reduced sufficiently. Therefore, the hydrolysis of the polyarylate resin and the polycarbonate resin by the phosphoric acid can be suppressed even more sufficiently.
- Phosphorus atom content is 10% or less, especially 6% or less ⁇ 2020/175 141 17 ⁇ (: 170? 2020 /005379
- the phosphorus atom content in the phosphite compound is usually 1% or more, and particularly 2% or more.
- the phosphorus atom content rate is the mass ratio of the phosphorus atom weight to the molecular weight of the phosphorus compound.
- Examples of the phosphite compound that can be used in the present invention include tris(nonylphenyl)phosphite (phosphorus atom content rate 9.0%), triphenylphosphite (phosphorus atom content rate 10.0%), Decyldiphenyl phosphite (phosphorus atom content 8.3%), 2-ethylhexyl diphenyl phosphite (phosphorus atom content 9.0%), Tris (2,4-di I-butylphenyl) phosphite (Phosphorus atom content 4.8%), 2, 2'-methylene bis (4, 6-di _ 1: _ butylphenyl) 2-ethylhexyl phosphite (Phosphorus atom content 5.3%), Bis (nonylphenyl) Pentaerythritol diphosphite (phosphorus atom content rate 9.8%), distearyl pentaerythritol diphosphite
- Examples of the tertiary phosphine include triethylphosphine, tripropylphosphine, tributylphosphine, trioctylphosphine, triamylphosphine, dimethylphenylphosphine, dibutylphenylphosphine, diphenylmethylphosphine, diphenyloctylphosphine, Examples include triphenylphosphine, tri_tolylphosphine, trinaphthylphosphine, and diphenylbenzylphosphine.
- Examples of the phosphonate compound include, for example, tetrakis (2,4-di I-butylphenyl) 4,4'-biphenylene phosphonate, tetrakis ( ⁇ 2020/175 141 18 ⁇ (: 170? 2020 /005379
- Each of the phosphorus compounds can be used alone, or two or more compounds can be used in combination.
- two or more phosphite compounds, two or more tertiary phosphines, or two or more phosphonate compounds can be used in combination, or the phosphite compound and tertiary phosphine can be used in combination. Can also be used.
- the phosphorus-based compound preferably uses the compound of the following Embodiment 1, more preferably the following Embodiment 2 Is used, more preferably the following compound of Embodiment 3 is used:
- Embodiment 1 A phosphite compound (eg, tris(2,4-diI-butylphenyl)phosphite, bis(2,6-di___ptyryl-4-methylphenyl)pentaerythritol diphosphite) and a third From one or more compounds selected from primary phosphines (eg triphenylphosphine);
- Embodiment 2 From phosphite compounds (preferably phosphite compounds having a phosphorus atom content of 10% or less, especially 6% or less)
- Embodiment 3 selected from tris(2,4-di1:1-butylphenyl)phosphite, and bis(2,6-dibutyl-4-methylphenyl)pentaerythritol diphosphite.
- the content of the phosphorus compound (mouth) is 100 mass% of the polyarylate resin (8) and the polycarbonate resin (M). It is preferably from 0.01 to 1 part by mass, more preferably from 0.02 to 0.50 parts by mass, and from 0.02 to 0.20 parts by mass. More preferably, it is particularly preferably from 0.025 to 0.075 parts by mass. When two or more phosphorus compounds (mouth) are used as a mixture, the total content thereof may be within the above range. ⁇ 2020/175 141 19 ⁇ (: 170? 2020 /005379
- the method for producing the polyarylate resin composition of the present invention will be described.
- the method for producing the polyarylate resin composition of the present invention is not particularly limited, and any method can be selected.
- Examples of the method for producing a polyarylate resin composition include, for example, a method of mixing a polyarylate resin polymer and a polycarbonate resin polymer by means such as melt kneading (hereinafter referred to as a melt kneading method), and a monomer constituting the polyarylate resin.
- a method of mixing a component and a monomer component constituting the polycarbonate resin and then obtaining a copolymer (hereinafter referred to as a polymerization method) can be mentioned.
- the silan compound ( ⁇ ) with a boiling point of 200 ° or more must be added to the polyarylate resin (8) and polycarbonate resin (Mitsumi) before kneading. Alternatively, it can be added by adding it to the polyarylate resin (8) and the polycarbonate resin (Mitsumi) in a separate step after kneading and directly adding it during further kneading or molding.
- the silane compound ( ⁇ 3) can be added before the polymerization so as to be contained in the copolymer, or added to the copolymer obtained by the polymerization method and melted. It can also be contained by a kneading method.
- the phosphorus-based compound (mouth) and other components described later can also be contained by the above-mentioned means by the same method as the method of adding and containing the silane compound ( ⁇ 3).
- the addition method of the phosphorus compound (mouth) may be selected independently of the addition method of the silane compound ( ⁇ 3).
- the resin composition of the present invention may have a so-called pellet form.
- the polyarylate resin composition of the present invention contains various other components (for example, antioxidants other than phosphorus compounds, release agents, flame retardants, inorganic fillers, etc.) as long as the characteristics are not impaired. Additives; and/or polyester resins other than polyarylate resins or polycarbonate resins, etc.) may also be contained.
- antioxidant other than the above phosphorus compounds examples include hindered phenol compounds and thioether compounds.
- hindered phenol compound examples include, for example, 1, 3, 5 ⁇ 2020/175 141 20 boxes (: 170? 2020 /005379
- 5-di _ 1 _ butyl 4-hydroxyphenyl) Probionate, 3-(1 ,1 -dimethylethyl) _ 4-hydroxy _ 5 -methyl-benzenepropanoic acid, 3, 9 -bis [1, 1 -Dimethyl-2-([3-I-butyl-4-hydroxy-5-methylphenyl)propionyloxy]ethyl]-2,4,8,10-tetraoxaspiro[5.5]undecane,1,3,5- Trimethyl-2,4,6-tris (3,,5, Examples include butyl-4,-hydroxybenzyl)benzene and the like.
- thioether-based compound examples include 4,4'-thiobis [2_1 _ petit-luyl 5-methylphenol] bis [3-(dodecylthio)probionate], thiopis [2-(1 ,1-dimethylethyl)] 5-methyl-4,1-phenylene] bis [3-(tetradecylthio)-probionate], pentaerythritol tetrakis (3- -Dodecyl thioprobionate) and bis (drug lydecyl) thiodiprobionate.
- antioxidants may be used alone or in combination of two or more.
- the release agent is not particularly limited, and various fatty acid esters and the like can be used. Among them, dipentaerythritol fatty acid ester, fatty acid ester of aliphatic monoalcohol and the like can be preferably used.
- dipentaerythritol fatty acid ester include dipentaerythritol hexalaurate, dipentaerythritol hexamyristate, dipentaerythritol hexa palmitate, dipentaerythritol hexaesterate, dipentaerythritol hexabehenate, dipentaerythritol adipic stearate.
- dipentaerythritol adipic stearate examples include dipentaerythritol adipic stearate oligomers.
- As fatty acid ester of aliphatic monoalcohol ⁇ 2020/175 141 21 ⁇ (:
- the release agent may be used alone or in combination of two or more kinds.
- Examples of the flame retardant include a halogen-based flame retardant and a non-halogen flame retardant, but a non-halogen flame retardant is preferable from the viewpoint of environmental impact.
- Examples of the flame retardant include phosphorus flame retardants, nitrogen flame retardants, silicone flame retardants, and the like. The flame retardants may be used alone or in combination of two or more.
- Examples of the inorganic filler include silica, glass, alumina, talc, mica, barium sulfate, aluminum hydroxide, magnesium hydroxide, calcium carbonate, magnesium carbonate, magnesium oxide, titanium oxide, silicon nitride, boron nitride and the like. Is mentioned.
- the inorganic fillers may be used alone or in combination of two or more.
- the inorganic filler is preferably surface-treated with a surface treatment agent such as an epoxysilane coupling agent or an aminosilane coupling agent.
- polyester resin other than the above polyarylate resin or polycarbonate resin examples include polyethylene terephthalate resin, polycyclohexane dimethylene terephthalate resin, and polyester resin obtained by copolymerizing polycyclohexane dimethylene terephthalate with isophthalic acid. .. Such polyester resins may be used alone or in combination of two or more kinds.
- the polyarylate resin composition of the present invention can be used in the production of various molded products which are required to have heat resistance and transparency.
- the polyarylate resin composition of the present invention is suitable for the production of molded articles in all fields such as automobile fields and electric/electronic fields where not only heat resistance and transparency but also heat discoloration resistance and wet heat resistance are required. It can be used.
- examples of molded articles in the field of automobiles include lamp peripheral parts such as a turn signal lamp lens, a high mount stop lamp lens, an extension reflector, and a reflector.
- lamp peripheral parts such as a turn signal lamp lens, a high mount stop lamp lens, an extension reflector, and a reflector.
- Illumination parts such as reflectors and covers for lighting equipment as molded products;
- Examples include panel mechanism parts such as centering adjusters for optical disk drives such as Yasumi and Misao.
- a molded body is molded into a desired shape by using the polyarylate resin composition of the present invention by a conventional known melt molding method such as injection molding, compression molding, extrusion molding, transfer molding, and sheet molding. It can be obtained.
- the yellow index ( ⁇ 3) measured on a molded product having a thickness of 2 is preferably less than 10, more preferably less than 8. More preferably less than 6.
- the yellow index (cage) measured after heat treatment at 1002° C. with a hot air dryer at 140° C. is preferably less than 22. It is more preferably less than 18, more preferably less than 14, and particularly preferably less than 10.
- the heat discoloration resistance of the polyarylate resin composition is such that the yellow index difference ( ⁇ ) before and after the heat treatment of 100 ° C in the hot air dryer of 140 ° ⁇ is 5 or less. It is more preferably 4 or less, still more preferably 3 or less, still more preferably 2 or less.
- the inherent viscosity of the polyarylate resin composition of the present invention is preferably from 0.4 to 0.8 from the viewpoint of heat resistance, mechanical properties, and fluidity, and from 0.4 to 0.7. More preferably. Further, in the polyarylate resin composition, it is preferable that the inherent viscosity of the polyarylate resin composition after the wet heat treatment of 100° C., 75% [3 ⁇ 4 1 to 1 is not substantially reduced, It is preferably from 0.4 to 0.8 and more preferably from 0.4 to 0.7.
- the moist heat resistance of the polyarylate resin composition is 1300 ° ⁇ , 75% [inherent viscosity retention rate before and after performing the moist heat treatment of 100 II under the conditions of 1 to 1 Is preferably 75% or more, more preferably 80% or more, further preferably 85% or more, particularly preferably 90% or more,
- polyarylate tree ⁇ 2020/175 141 23 ⁇ (: 170? 2020 /005379
- Moisture and heat resistance of the fat composition is particularly 1 40 ° ⁇ , 75% [Inherent viscosity retention rate before and after 50 II moist heat treatment under the conditions of 1 to 1 is 1 30 ° ⁇ , It is preferable to achieve the inherent viscosity retention rate before and after performing the wet heat treatment of 100 II under the condition of 75% [1 to 1].
- each test piece load according to the 3075 standard.
- the deflection temperature under load (d) was measured at, and judged according to the following criteria.
- Each test piece is a molded product (thickness) obtained by injection molding under the conditions of a cylinder temperature of 320 to 360° and a mold temperature of 100°. The samples were subjected to humidity control treatment (left at room temperature for 1 day or longer) and then subjected to the test. It is practically preferable that the deflection temperature under load is 140° ⁇ or more.
- Each test piece is a molded product (thickness) obtained by injection molding under the conditions of a cylinder temperature of 320 to 360° and a mold temperature of 100°. The samples were subjected to a humidity control treatment (left at room temperature for 1 day or longer) and then subjected to the test. It is practically preferable that the total light transmittance is (!_) 87% or more.
- the thermal discoloration resistance is a characteristic evaluated based on both "a ⁇ ⁇ " and "a difference between ⁇ ⁇ 3 and ⁇ I ⁇ ( ⁇ !)". The smaller the values of both "" and "" are, the better the heat discoloration resistance is.
- Inherent viscosity followed the method in (1).
- the retention rate ([3 ⁇ 4)) was calculated from the inherent viscosity before and after the wet heat treatment by the following formula, and the retention rate ([3 ⁇ 4]) was judged according to the following criteria.
- the retention rate ([3 ⁇ 4) is preferably 80% or more.
- Mami The lowest evaluation result of all the evaluation results was Mami
- the polyarylate resin is a polyarylate of 2,2-bis(4-hydroxyphenyl)propane and terephthalic acid and isophthalic acid, and the compounding ratio (molar ratio) of terephthalic acid and isophthalic acid is 50/50.
- Triphenylphosphine Hokuko Ding made by Hokuko Kagaku
- a polyarylate resin composition pellet was obtained in the same manner as in Example 1 except that the composition ratio of the polyarylate resin composition was changed. Various evaluations were performed after obtaining a molded product using the obtained polyarylate resin composition pellet. The results are shown in Tables 1-3.
- the polyarylate resin compositions obtained in Examples 1 to 17 were excellent in heat resistance, transparency, heat discoloration resistance, and moist heat resistance.
- the polyarylate resin compositions obtained in Examples 14 to 17 were more excellent in heat resistance, heat discoloration resistance, and moist heat resistance because the phosphorus compound was added.
- the polyarylate resin composition obtained in Comparative Example 1 did not contain a polycarbonate resin, its heat discoloration resistance (particularly ⁇ ) and moist heat resistance (retention rate of 7 to 1 and 7] 2) were inferior.
- the polyarylate resin compositions obtained in Comparative Examples 4 to 8 had heat-resistant discoloration resistance (especially, since the boiling point of the silane compound used was less than 200 °O). And the heat and humidity resistance (retention of 7-1 and 7] 2) was poor.
- the polyarylate resin composition obtained in Comparative Example 10 did not contain a silane compound, and thus was inferior in wet heat resistance (retention of 7 to 1 and 7] 2).
- the polyarylate resin composition obtained in Comparative Example 11 had an excessive amount of the silane compound, so that the heat discoloration resistance (especially ) And resistance to moist heat (especially the retention rate of 7 to 2) was poor.
- the polyarylate resin composition of the present invention is useful, for example, for producing a molded article in all fields such as the automobile field and the electric-electronic field.
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Abstract
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020217023291A KR102794637B1 (ko) | 2019-02-25 | 2020-02-12 | 폴리아릴레이트 수지 조성물 및 그것을 이용한 성형체 |
| JP2021501890A JP7353662B2 (ja) | 2019-02-25 | 2020-02-12 | ポリアリレート樹脂組成物及びそれを用いた成形体 |
| CN202080013087.XA CN113412306A (zh) | 2019-02-25 | 2020-02-12 | 聚芳酯树脂组合物和使用它的成型体 |
| US17/424,319 US11932758B2 (en) | 2019-02-25 | 2020-02-12 | Polyarylate resin composition and molded article using the same |
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| JP2019-032165 | 2019-02-25 | ||
| JP2019032165 | 2019-02-25 |
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| US (1) | US11932758B2 (ja) |
| JP (1) | JP7353662B2 (ja) |
| KR (1) | KR102794637B1 (ja) |
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| WO (1) | WO2020175141A1 (ja) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5965953A (ja) * | 1982-10-06 | 1984-04-14 | Hitachi Ltd | 光ディスク記録媒体の製造方法 |
| JP2010163549A (ja) * | 2009-01-16 | 2010-07-29 | Unitika Ltd | ポリアリレート樹脂組成物およびそれから得られる成形体 |
| JP2013194171A (ja) * | 2012-03-21 | 2013-09-30 | Unitika Ltd | ポリアリレート樹脂組成物およびそれを成形してなる成形体 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2103414A1 (en) * | 1992-12-03 | 1994-06-04 | Douglas G. Hamilton | Stabilized polyester-polycarbonate compositions |
| KR100808035B1 (ko) | 2000-03-30 | 2008-02-28 | 데이진 가부시키가이샤 | 방향족 폴리카보네이트 조성물, 그의 제조 방법 및 그의성형품 |
| US6727303B2 (en) | 2001-08-30 | 2004-04-27 | Teijin Chemicals, Ltd. | Flame retardant aromatic polycarbonate resin composition and molded articles thereof |
| DE60206575T2 (de) * | 2001-08-30 | 2006-07-13 | Teijin Chemicals Ltd. | Flammhemmende aromatische Polycarbonatharzzusammensetzung und daraus hergestellte Formmassen |
| JP2007119523A (ja) | 2005-10-25 | 2007-05-17 | Unitika Ltd | ポリアリレート系樹脂組成物及びこれを成形してなる自動車用レンズ部品 |
| JP5030550B2 (ja) * | 2006-11-22 | 2012-09-19 | 三菱エンジニアリングプラスチックス株式会社 | 熱可塑性樹脂組成物及び成形体 |
| CN101792585B (zh) * | 2010-03-16 | 2011-12-14 | 广州市番禺区天宇塑料实业有限公司 | 一种阻燃聚碳酸酯组合物及其制备方法 |
| JP2012082385A (ja) * | 2010-09-17 | 2012-04-26 | Unitika Ltd | ポリエステル樹脂組成物、およびそれからなる成形体 |
| JP2015021068A (ja) * | 2013-07-19 | 2015-02-02 | ユニチカ株式会社 | ポリアリレート樹脂組成物およびそれより得られるブロー成形体 |
-
2020
- 2020-02-12 JP JP2021501890A patent/JP7353662B2/ja active Active
- 2020-02-12 KR KR1020217023291A patent/KR102794637B1/ko active Active
- 2020-02-12 WO PCT/JP2020/005379 patent/WO2020175141A1/ja not_active Ceased
- 2020-02-12 US US17/424,319 patent/US11932758B2/en active Active
- 2020-02-12 CN CN202080013087.XA patent/CN113412306A/zh active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5965953A (ja) * | 1982-10-06 | 1984-04-14 | Hitachi Ltd | 光ディスク記録媒体の製造方法 |
| JP2010163549A (ja) * | 2009-01-16 | 2010-07-29 | Unitika Ltd | ポリアリレート樹脂組成物およびそれから得られる成形体 |
| JP2013194171A (ja) * | 2012-03-21 | 2013-09-30 | Unitika Ltd | ポリアリレート樹脂組成物およびそれを成形してなる成形体 |
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| Publication number | Publication date |
|---|---|
| KR102794637B1 (ko) | 2025-04-10 |
| JPWO2020175141A1 (ja) | 2021-12-23 |
| KR20210132005A (ko) | 2021-11-03 |
| CN113412306A (zh) | 2021-09-17 |
| US20220073731A1 (en) | 2022-03-10 |
| JP7353662B2 (ja) | 2023-10-02 |
| US11932758B2 (en) | 2024-03-19 |
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