WO2005063922A1 - 含リン難燃剤の製造方法、含リン難燃剤並びに難燃性ポリエステル - Google Patents
含リン難燃剤の製造方法、含リン難燃剤並びに難燃性ポリエステル Download PDFInfo
- Publication number
- WO2005063922A1 WO2005063922A1 PCT/JP2004/019363 JP2004019363W WO2005063922A1 WO 2005063922 A1 WO2005063922 A1 WO 2005063922A1 JP 2004019363 W JP2004019363 W JP 2004019363W WO 2005063922 A1 WO2005063922 A1 WO 2005063922A1
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- WIPO (PCT)
- Prior art keywords
- phosphorus
- flame retardant
- containing flame
- polyester
- producing
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/68—Polyesters containing atoms other than carbon, hydrogen and oxygen
- C08G63/692—Polyesters containing atoms other than carbon, hydrogen and oxygen containing phosphorus
- C08G63/6924—Polyesters containing atoms other than carbon, hydrogen and oxygen containing phosphorus derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/6926—Dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K21/00—Fireproofing materials
- C09K21/06—Organic materials
- C09K21/12—Organic materials containing phosphorus
Definitions
- the present invention relates to a method for producing a phosphorus-containing flame retardant, a phosphorus-containing flame retardant, and a flame-retardant polyester containing the phosphorus-containing flame retardant as a constituent unit.
- Phosphorus compounds are often used as flame retardants to be copolymerized during polyester production.
- many phosphorus conjugates when subjected to high temperature and reduced pressure in the polycondensation of polyester, cause thermal decomposition, fly out of the system, cause gelation of the polymer during the polyester formation reaction, etc. Because of the problems, improvements were required.
- Phosphorus-containing flame-retardant polyesters which do not cause such a problem include phosphorus conjugates copolymerizable with 9,10-dihydro-9oxa-10phosphaphenanthrene-10- in the presence of ethylene glycol.
- a phosphorus-containing conjugate produced from an oxide and itaconic acid is known (Patent Document 1).
- Patent Document 1 JP-A-52-97981
- the present invention relates to a phosphorus-containing flame retardant which is copolymerized during the production of polyester, and under the conditions of high temperature and reduced pressure in the polycondensation of polyester, causes thermal decomposition, flies out of the system, and reacts during the polyester formation reaction.
- a phosphorus-containing flame retardant which does not cause problems such as causing gelling of the polymer and which has good color tone of the produced flame-retardant polyester, a method for producing the same, and a flame retardant obtained by copolymerizing the phosphorus-containing flame retardant. It is intended to provide polyester.
- the present inventors have conducted intensive studies and have found that in a method for producing a phosphorus-containing flame retardant by reacting an organic phosphorus compound with an unsaturated carboxylic acid and Z or its anhydride in an alkylene glycol, an antioxidant is used. It has been found that the above-mentioned problems can be solved by a method for producing a phosphorus-containing flame retardant in which a specific ratio is contained with respect to an organic phosphorus compound, and the present invention has been completed.
- the method for producing a phosphorus-containing flame retardant of the present invention comprises at least a method of producing a phosphorus-containing flame retardant by reacting an organic phosphorus compound with an unsaturated carboxylic acid and Z or an anhydride thereof in an alkylene glycol.
- One antioxidant is added to the total amount of the organic phosphorus compound.
- the phosphorus-containing flame retardant obtained by such a production method is a composition containing a phosphorus-containing flame retardant compound, an antioxidant, and an alkylene glycol. Finally, it becomes a polymer structural unit of the flame-retardant polyester.
- the phosphorus-containing flame retardant of the present invention is characterized by containing a phosphorus-containing flame retardant, an antioxidant, and an alkylene glycol, and having a hue (APHA) of 120 or less.
- a flame retardant is preferably obtained by the method for producing a phosphorus-containing flame retardant of the present invention.
- the phosphorus-containing flame retardant composition is used as it is for the production of flame-retardant polyester.
- Such a phosphorus-containing flame retardant may cause thermal decomposition, fly out of the system, or cause gelation of the polymer during the polyester formation reaction under the conditions of high temperature and reduced pressure in the polycondensation of polyester.
- the produced flame-retardant polyester has good color tone.
- the flame-retardant polyester of the present invention is produced using the phosphorus-containing flame retardant of the present invention, and is characterized in that it is contained as a polymer constituent unit. The invention's effect
- the alkylene glycol solution of the phosphorus-containing flame retardant produced by the production method of the present invention is effectively prevented from being colored.
- the flame retardant polyester produced using the obtained phosphorus-containing flame retardant alkylene glycol solution has an improved color tone.
- the method for producing a phosphorus-containing flame retardant of the present invention comprises a reaction system for reacting an organic phosphorus compound with an unsaturated carboxylic acid and / or an acid anhydride thereof (hereinafter referred to as unsaturated carboxylic acids) in an alkylene glycol. It is characterized by containing at least one antioxidant and a phosphorus-containing flame retardant.
- the method of adding an antioxidant to the reaction system during the production of the phosphorus-containing flame retardant is not particularly limited, for example,
- a method for producing a phosphorus-containing flame retardant by allowing an organic phosphorus-containing compound, unsaturated carboxylic acids and alkylene glycol to contain an acid-resistance inhibitor and reacting them.
- a method of producing a phosphorus-containing flame retardant by reacting an organic phosphorus compound and an unsaturated carboxylic acid with an antioxidant and then reacting with an alkylene glycol.
- a method of producing a phosphorus-containing flame retardant by allowing an unsaturated carboxylic acid and an alkylene glycol to contain an antioxidant and reacting, and further adding and reacting an organic phosphorous conjugate.
- the organic phosphorus compound that can be used in the present invention is not particularly limited as long as it is a phosphorus-containing compound that can react with unsaturated carboxylic acids to form a phosphorus-containing compound having a carboxyl group.
- a phosphorus-containing compound that can react with unsaturated carboxylic acids to form a phosphorus-containing compound having a carboxyl group.
- Phosphine oxide derivatives such as dimethylphosphinoxide, getylphosphinoxide, dipropylphosphinoxide, dibutylphosphinoxide, diphenylphosphinoxide, etc.
- phosphinate derivative because of its excellent flame retardant effect.
- DOP and! / 9,10-dihydro-9-oxa-10-phosphaphenanthrene 10-year-old oxide
- unsaturated carboxylic acids usable in the present invention include:
- Unsaturated monocarboxylic acids such as acrylic acid, methacrylic acid and crotonic acid
- Unsaturated alkyl monocarboxylates such as methyl acrylate, ethyl acrylate, methyl methacrylate, ethyl methacrylate, methyl crotonate, and ethyl crotonate
- Unsaturated dicarboxylic acids such as maleic acid, fumaric acid, mesaconic acid, citraconic acid, itaconic acid
- Unsaturated alkyl dicarboxylates such as dimethyl maleate, getyl maleate, dimethyl fumarate, getyl fumarate, dimethyl mesaconate, getyl mesaconate, dimethyl citraconic acid, ethyl citraconic acid, dimethyl itaconate and getyl itaconate
- Acid anhydrides of unsaturated dicarboxylic acids such as maleic anhydride, citraconic anhydride, itaconic anhydride and the like.
- the acid anhydrides of unsaturated dicarboxylic acids and unsaturated dicarboxylic acids are preferred. At least one selected from the group consisting of itaconic acid and anhydrous itaconic acid is more preferred.
- Antioxidants that can be used in the method for producing a phosphorus-containing flame retardant of the present invention are not particularly limited, and include, for example, 1) a hindered phenol-based antioxidant, 2) And phosphorus-based antioxidants, and 3) zirconium-based antioxidants.
- hindered phenol-based antioxidants examples include 4-t-butylcatechol, 3,5-di-t-butyl-4-hydroxy-toluene, and n-octadecyl- ⁇ - (4, -hydroxy-1,3,5,1-di- t-butylphenyl) propionate, tetrakis [methylene 3- (3,5, -g-t-butyl-4, -hydroxyphenyl) propionate] methane, 1,3,5 trimethyl-2,4,6, tris (3,5-g t-butyl-4-hydroxybenzyl) benzene, calcium (3,5-dibutyl 4-hydroxy-1-benzylmonoethyl-phosphate), triethylene glycol-bis [3- (3-tert-butyl-5-methyl-4-hydroxyphenyl) -Le) propionate], pentaerythricyl-tetrakis [3- (3,5-di-tert-butyla-
- Examples of the phosphorus-based antioxidant include tris (mixed, mono- and dinoylphenyl) phosphite, tris (2,3-di-butylbutyl) phosphite, 4,4, butylidene-bis (3-Methyl-6t-butylphenyl-ruzy tridecyl) phosphite, 1,1,3-tris (2-methyl-4-ditridecylphosphite-5tbutylphenyl) butane, Tris (2,4-diethyl) t-butylphenyl) phosphite, bis (2,4-di-butylbutyl) pentaerythritol 1-rhousphosphite, tetrakis (2,4-dibutylbutyl) 4,4, -biphenyl-phosph Fanite, bis (2,6-di-tert-butyl-4-methylphen
- Examples of the zwitterion-based antioxidants include dilauryl 3,3'thiodipropionate, dimyristyl-3,3 thiodiperovionate, distearyl 3,3, -thiodipropionate, and lauryl stearyl-3,3 thiodiester.
- Examples thereof include propionate, dilaurylthiodipropionate, dioctadecyl sulfide, and pentaerythryl lutetetra ( ⁇ -lauryl thiopropionate) ester.
- phosphorus-containing flame retardants Hindered phenol-based antioxidants are preferred because the alkylene glycol solution has an excellent coloring prevention effect, and 4 t-butylcatechol is particularly preferred.
- the above antioxidant can be added and used as it is, but may be added to the reaction system as a solution dissolved in alkylene glycol.
- the antioxidants may be used alone or in combination of two or more.
- the content of the antioxidant is 0.001 to 10% by weight in total with respect to the organic phosphorus conjugate. If the content of the antioxidant is less than 0.001% by weight, the coloring of the reaction product solution cannot be sufficiently suppressed. In addition, even if the content exceeds 10% by weight, the effect corresponding to the use of the antioxidant is contradictory, and on the contrary, it becomes a foreign substance in the polyester after the introduction of the antioxidant, which causes a deterioration in the filterability of the molten resin. There are cases.
- the content of the antioxidant is based on the total amount of the organic phosphorus conjugate.
- the content is 0.05 to 1% by weight.
- the timing of adding the antioxidant in the production of the phosphorus-containing flame retardant is not particularly limited as long as the coloring of the alkylene glycol solution of the phosphorus-containing flame retardant is suppressed. It is preferably added before the reaction between the organic phosphorous conjugate, the unsaturated carboxylic acid and Z or its anhydride and the alkylene glycol.
- alkylene glycol which is a polyester component.
- ethylene glycol, 1,3-propylene glycol, 1,4-butanediol, Glycols having a carbon number of S 2-5 such as pentyl glycol are exemplified.
- the method for producing the phosphorus-containing flame retardant of the present invention is preferably a method for producing a phosphorus-containing flame retardant in one step.
- the reaction is carried out by reacting the organic phosphorus compound with the unsaturated carboxylic acid and / or Z or its anhydride and the alkylene glycol by heating and stirring in an inert gas atmosphere in the presence of an antioxidant.
- the reaction proceeds by heating to 100 ° C or more. If the temperature is too low, it takes time to complete the reaction.If the heating temperature is too high, the organic phosphorous conjugate and the unsaturated carboxylic acid are thermally decomposed. Therefore, the temperature is preferably set to 120 to 200 ° C.
- the reaction ratio of the organic phosphorus compound to the unsaturated carboxylic acid or its anhydride is substantially equimolar, but the unsaturated carboxylic acid and Z or its anhydride are mixed in a molar ratio of 1. to the phosphorus compound. 0-1. It is preferable to charge 1 time [0024]
- the amount of the alkylene glycol to be used is in the range of 1.5 to 20 times, preferably 2 to 5 times in terms of molar ratio to the unsaturated carboxylic acid or its anhydride.
- the amount of the alkylene glycol used is less than 1.5 times in molar ratio with respect to the unsaturated carboxylic acid and Z or its anhydride, if It is not preferable because the esterification reaction becomes insufficient and the viscosity of the reaction solution increases. If the amount of alkylene recall used exceeds 20 times, the viscosity of the reaction solution will be low and handling will be easy, which is uneconomical.
- the phosphorus-containing flame retardant of the present invention obtained by the method for producing a phosphorus-containing flame retardant of the present invention is an alkylene glycol solution of a phosphorus-containing flame retardant having one or two hydroxyl groups in a molecule, It contains an antioxidant.
- the phosphorus-containing flame retardant of the present invention is very useful as a material which imparts flame retardancy to polyester which is less colored and requires high whiteness by adding the above-mentioned antioxidant.
- the concentration of the phosphorus-containing flame retardant of the present invention in the alkylene glycol solution is not particularly limited, but is 10 to 90% by weight.
- the flame-retardant polyester of the present invention uses the phosphorus-containing flame retardant of the present invention as at least a part of a raw material for producing a flame-retardant polyester.
- a raw material for producing a flame-retardant polyester it is preferably used as an alkylene glycol solution of the phosphorus-containing flame retardant of the present invention.
- a raw material for producing a flame-retardant polyester a conventionally known raw material used as a raw material for polyester can be appropriately selected.
- diol compounds such as ethylene glycolone, propylene glycol, and neopentyl glycol
- dicarboxylic acids such as phthalic acid, terephthalic acid, isophthalic acid, sodium 5-sulfoisophthalate, and adipic acid, dimethyl phthalate, dimethyl terephthalate, and isophthalic acid
- ester-forming compounds of dicarboxylic acids such as dimethyl acid, dimethyl isophthalate-5-sodium sulfonate and dimethyl adipate.
- the flame-retardant polyester of the present invention contains a structural unit capable of forming a phosphorus-containing flame retardant at a phosphorus concentration of 0.1 to 5.0% by weight based on polyester.
- a phosphorus concentration is less than 0.1% by weight, a sufficient flame retardant effect cannot be obtained, and the phosphorus concentration exceeds 5.0% by weight. If the flame retardant effect is not so high, it may affect the strength of polyester etc.
- the phosphorus-containing flame retardant and the flame-retardant polyester in the method for producing a phosphorus-containing flame retardant of the present invention, the phosphorus-containing flame retardant and the flame-retardant polyester, light stabilizers, antistatic agents, lubricants, molecular weight regulators, metal deactivators, organic and Additives such as inorganic nucleating agents, neutralizing agents, antacids, antibacterial agents, optical brighteners, fillers, flame retardants, flame retardant aids, organic and inorganic pigments as required They may be used in combination.
- Particularly preferred embodiments of the method for producing a phosphorus-containing flame retardant of the present invention and the phosphorus-containing flame retardant are the following 1) to 3).
- the structural unit formed of the above-mentioned 1) to 3) phosphorus-containing flame-retardant resin is used as a structural unit of the polyester. It is characterized by containing 0.1-5.0% by weight as a concentration.
- the hue (APHA) of the phosphorus-containing flame retardant is JIS K 1 557-measured in comparison with the APH standard solution described in 1970.
- Example 2 Except that the amount of the antioxidant added and the type of the antioxidant were changed, the same procedure as in Example 1 was repeated to obtain the phosphorus-containing flame retardants (P-2) and (P-3) (Examples 2 and 3). Manufactured.
- the results are summarized in Table 1.
- antioxidant As an antioxidant, 0.6 g (0.1% by weight) of tetrakis [methylene 3- (3,, 5, -di-tert-butyl-4, -hydroxypropyl) propionate] methane (antioxidant (A-2)) 0/0) the added except in the same manner as in example 1, the phosphorus-containing flame retardant (P- 4) (was prepared in example 4). the resulting phosphorus-containing flame retardant (P-4) The hue (APHA) of the ethylene glycol (EG) solution was 100. The results are summarized in Table 1.
- AP — Got 1 a flame-retardant polyester
- AP- 1 The resulting flame retardant poly ester (AP- 1) is analyzed by those containing at a ratio of 0.60 weight 0/0 a structural unit derived from the phosphorus-containing flame retardant as the phosphorus concentrations against polyester Le there were.
- the L value and b value of the flame-retardant polyester (AP-1) measured by a Hunter-type color difference meter were 75 for the L value and 10.3 for the b value.
- the flame retardant polyester (AP-2) — (AP-4) (Example 6) was prepared in the same manner as in the production example of the flame retardant polyester (AP-1) except that the phosphorus-containing flame retardant EG solution was changed. — 8) Production was carried out. The results are summarized in Table 2.
- Polyester (AR-1) was obtained.
- the obtained flame-retardant polyester (AR-1) was analyzed to contain a structural unit formed of a phosphorus-containing flame retardant at a phosphorus concentration of 0.60% by weight relative to the polyester.
- the L value and b value of the obtained flame retardant polyester (AR-2) measured by a Hunter-type colorimeter were 74 and 19.7, respectively.
- the obtained flame-retardant polyester (AR-2) was analyzed to contain a constituent unit formed from a phosphorus-containing flame retardant at a phosphorus concentration of 0.60% by weight based on the polyester.
- the L value and b value of the obtained flame-retardant polyester (AR-2) measured by a Hunter type color difference meter were 74 for L value and 18.6 for b value.
- the phosphorus-containing flame retardant of the present invention can be used for producing a polyester, and the phosphorus-containing flame retardant can be produced by the method for producing a phosphorus-containing flame retardant of the present invention.
Abstract
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Priority Applications (2)
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CN2004800387644A CN1910263B (zh) | 2003-12-26 | 2004-12-24 | 含磷阻燃剂的制造方法、含磷阻燃剂和阻燃性聚酯 |
JP2005516649A JP4835975B2 (ja) | 2003-12-26 | 2004-12-24 | 含リン難燃剤の製造方法、含リン難燃剤、難燃性ポリエステル及び難燃性ポリエステルの製造方法 |
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JP2003-431692 | 2003-12-26 | ||
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009144042A (ja) * | 2007-12-13 | 2009-07-02 | Kaneka Corp | リン含有重合体とその製造方法 |
EP2284208A1 (de) * | 2009-08-14 | 2011-02-16 | Schill + Seilacher "Struktol" GmbH | Phosphorhaltiges Flammschutzmittel |
JP2021017544A (ja) * | 2019-07-17 | 2021-02-15 | 烟台大学Yantai University | 窒素−リン系膨張性難燃剤、及び水性ポリウレタン塗料の調整方法への応用 |
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CN101613374B (zh) * | 2009-07-22 | 2012-03-14 | 中国科学技术大学 | 一种侧基为dopo的聚合型含磷阻燃剂及其制备方法 |
CN101792530A (zh) * | 2010-03-19 | 2010-08-04 | 苏州兰特纳米材料科技有限公司 | 聚合物型无卤阻燃剂(pdptp)及其制备方法 |
CN103333205A (zh) * | 2013-06-28 | 2013-10-02 | 青岛富斯林化工科技有限公司 | 磷系阻燃剂2,3-二羧基丙基二苯基氧化膦及其制备方法和阻燃聚酯组合物 |
CN110903512B (zh) * | 2019-11-21 | 2021-12-17 | 浙江大学宁波理工学院 | 高效无卤的磷系气相阻燃剂及含有该阻燃剂的高分子材料 |
CN112812285B (zh) * | 2020-12-28 | 2022-05-06 | 湖南美莱珀科技发展有限公司 | 一种大分子型阻燃剂及其制备方法和应用 |
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- 2004-12-24 JP JP2005516649A patent/JP4835975B2/ja active Active
- 2004-12-24 CN CN2004800387644A patent/CN1910263B/zh active Active
- 2004-12-24 WO PCT/JP2004/019363 patent/WO2005063922A1/ja active Application Filing
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JPS5297981A (en) * | 1976-02-13 | 1977-08-17 | Toyobo Co Ltd | Novel organic phosphorus compounds |
JPH08176171A (ja) * | 1994-10-10 | 1996-07-09 | Hoechst Ag | リン含有ジカルボン酸の製造方法 |
US5571888A (en) * | 1995-06-14 | 1996-11-05 | Industrial Technology Research Institute | Process for preparing flame-retardant phosphorus-containing unsaturated polyester |
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JPH1025338A (ja) * | 1996-07-10 | 1998-01-27 | Toray Ind Inc | リンを含有するポリエステル重合体および樹脂組成物 |
JP2000302848A (ja) * | 1999-04-23 | 2000-10-31 | Toyobo Co Ltd | 難燃性ポリエステルエラストマー樹脂組成物 |
WO2003071014A1 (fr) * | 2002-02-22 | 2003-08-28 | Kaneka Corporation | Fibre en polyester ignifuge et cheveu artificiel la renfermant |
JP2004161890A (ja) * | 2002-11-13 | 2004-06-10 | Nippon Ester Co Ltd | 接着剤用ポリエステル樹脂、接着剤及び積層体 |
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Publication number | Priority date | Publication date | Assignee | Title |
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JP2009144042A (ja) * | 2007-12-13 | 2009-07-02 | Kaneka Corp | リン含有重合体とその製造方法 |
EP2284208A1 (de) * | 2009-08-14 | 2011-02-16 | Schill + Seilacher "Struktol" GmbH | Phosphorhaltiges Flammschutzmittel |
JP2021017544A (ja) * | 2019-07-17 | 2021-02-15 | 烟台大学Yantai University | 窒素−リン系膨張性難燃剤、及び水性ポリウレタン塗料の調整方法への応用 |
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CN1910263A (zh) | 2007-02-07 |
JP4835975B2 (ja) | 2011-12-14 |
CN1910263B (zh) | 2010-05-05 |
JPWO2005063922A1 (ja) | 2007-12-20 |
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