JPH0570671A - Flame-retardant resin composition - Google Patents
Flame-retardant resin compositionInfo
- Publication number
- JPH0570671A JPH0570671A JP26127991A JP26127991A JPH0570671A JP H0570671 A JPH0570671 A JP H0570671A JP 26127991 A JP26127991 A JP 26127991A JP 26127991 A JP26127991 A JP 26127991A JP H0570671 A JPH0570671 A JP H0570671A
- Authority
- JP
- Japan
- Prior art keywords
- parts
- weight
- polyalkylene terephthalate
- flame
- melamine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、ハロゲン系難燃剤を使
用せずに難燃性を改良したポリアルキレンテレフタレー
ト系難燃性樹脂組成物に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a polyalkylene terephthalate flame retardant resin composition having improved flame retardancy without using a halogen flame retardant.
【０００２】[0002]
【従来の技術】ポリエチレンテレフタレートやポリブチ
レンテレフタレートに代表されるポリアルキレンテレフ
タレートは、その優れた特性から電気及び電子機器部品
並びに自動車部品などに広く使用されている。特に、電
気及び電子機器部品分野では、火災に対する安全性を確
保するため、難燃性を付与して使用される例が多い。2. Description of the Related Art Polyalkylene terephthalates represented by polyethylene terephthalate and polybutylene terephthalate are widely used in electric and electronic equipment parts, automobile parts and the like due to their excellent characteristics. In particular, in the field of electric and electronic equipment parts, in order to secure safety against fire, there are many cases where flame retardancy is imparted and used.
【０００３】ポリアルキレンテレフタレートに難燃性を
付与するには、一般的にハロゲン系難燃剤が使用され
る。このため、混練時及び成形時にハロゲン系難燃剤の
一部が分解し、遊離のハロゲンガスやハロゲン化合物が
生成し、コンパンウンド用混練機や射出成形機等のシリ
ンダー、スクリュー及び金型の表面を腐蝕させたり、電
気・電子機器部品分野では、金属部品を腐蝕させ、接点
不良や導通不良を引き起したりする。更に、ハロゲン系
難燃剤の中には、分解発生するガスに極めて少量なが
ら、毒性のあるものも含まれる例がある。In order to impart flame retardancy to polyalkylene terephthalate, halogen-based flame retardants are generally used. Therefore, at the time of kneading and molding, a part of the halogen-based flame retardant is decomposed, and a free halogen gas or a halogen compound is generated, so that the surfaces of cylinders, screws and molds of compound kneaders and injection molding machines, etc. Corrosion or, in the field of electrical and electronic equipment parts, corrodes metal parts, causing contact failure and conduction failure. Further, in some cases, some halogen-based flame retardants include toxic ones even though the gas generated by decomposition is extremely small.
【０００４】[0004]
【発明が解決しようとする課題】従来、このような問題
点を解決するための検討が種々なされてきたが、有効な
解決策は見出されていない。特公昭６０−３３８５０号
公報では、メラミン・シアヌル酸付加物をポリアルキレ
ンテレフタレート系ポリエステルに対し３〜３０重量％
添加して難燃化を図ることが提案されているが、この手
法においても難燃性のＵＬ(Underwriter′s Laborator
y）規格のうち、特に難燃規格として重要なＶ−Ｏレベ
ルには到達し得なかった。本発明は、かかる問題点を解
決することを目的とする。Various investigations have been hitherto made to solve such problems, but no effective solution has been found. JP-B-60-33850 discloses that a melamine / cyanuric acid adduct is contained in an amount of 3 to 30% by weight based on the polyalkylene terephthalate polyester.
It has been proposed to add flame retardants to this material, but UL (Underwriter's Laborator
Of the y) standards, the V-O level, which is particularly important as a flame retardant standard, could not be reached. The present invention aims to solve such problems.
【０００５】[0005]
【課題を解決するための手段】本発明者らは、鋭意検討
を重ねた結果、ポリアルキレンテレフタレートに、メラ
ミン・シアヌル酸付加物と特定のリン系難燃剤を配合す
ることにより、ハロゲン系難燃剤を使用せずに、高度の
難燃性の付与が可能であることを見出し、本発明に到達
した。Means for Solving the Problems As a result of intensive studies, the present inventors have made a halogen-based flame retardant by adding a melamine / cyanuric acid adduct and a specific phosphorus-based flame retardant to polyalkylene terephthalate. The inventors have found that it is possible to impart a high degree of flame retardancy without using, and have reached the present invention.
【０００６】すなわち、本発明は、下記の成分（Ａ）、
（Ｂ）、（Ｃ）及び（Ｄ）並びに組成からなるポリアル
キレンテレフタレート系難燃性樹脂組成物である。That is, the present invention provides the following component (A),
A polyalkylene terephthalate-based flame-retardant resin composition comprising (B), (C) and (D) and a composition.
【０００７】 （Ａ）固有粘度が０．３〜１．５dl／g のポリアルキレンテレフタレート １００重量部 （Ｂ）強化充填材 ３０〜２５０重量部 （Ｃ）メラミン・シアヌル酸付加物 ５〜５０重量部 （Ｄ）式（Ｉ）(A) Polyalkylene terephthalate having an intrinsic viscosity of 0.3 to 1.5 dl / g 100 parts by weight (B) Reinforcing filler 30 to 250 parts by weight (C) Melamine / cyanuric acid adduct 5 to 50 parts by weight (D) Formula (I)
【化２】 で示されるリン系難燃剤 ５〜５０重量部 （式中、Ｒ1 〜Ｒ9 及びＲ′5 〜Ｒ′9はそれぞれ水素
原子又はアルキル基を表す）[Chemical 2] 5 to 50 parts by weight of a phosphorus-based flame retardant represented by the formula (in the formula, R 1 to R 9 and R ′ 5 to R ′ 9 each represent a hydrogen atom or an alkyl group)
【０００８】以下、本発明を具体的に説明する。本発明
の成分（Ａ）であるポリアルキレンテレフタレートは、
ジカルボン酸成分の少なくとも４０モル％がテレフタル
酸であるジカルボン酸成分とジオール成分とを縮合重合
させて得られるポリアルキレンテレフタレートである。The present invention will be specifically described below. The polyalkylene terephthalate which is the component (A) of the present invention is
At least 40 mol% of the dicarboxylic acid component is polyalkylene terephthalate obtained by condensation polymerization of a dicarboxylic acid component, which is terephthalic acid, and a diol component.
【０００９】上記テレフタル酸以外のジカルボン酸成分
の例としては、アゼライン酸、セバシン酸、アジピン
酸、ドデカンジカルボン酸などの炭素数２〜２０の脂肪
族ジカルボン酸；イソフタル酸、オルトフタル酸、ナフ
タレンジカルボン酸、ジフェニル−４，４′−ジカルボ
ン酸、ジフェニルエタン−４，４′−ジカルボン酸など
の芳香族ジカルボン酸；又はシクロヘキサンジカルボン
などの脂環式ジカルボン酸が挙げられ、これらは２種以
上の混合物として用いてもよい。Examples of dicarboxylic acid components other than terephthalic acid include aliphatic dicarboxylic acids having 2 to 20 carbon atoms such as azelaic acid, sebacic acid, adipic acid and dodecanedicarboxylic acid; isophthalic acid, orthophthalic acid, naphthalenedicarboxylic acid. Aromatic dicarboxylic acids such as diphenyl-4,4'-dicarboxylic acid and diphenylethane-4,4'-dicarboxylic acid; or cycloaliphatic dicarboxylic acids such as cyclohexanedicarboxylic, and these may be used as a mixture of two or more kinds. You may use.
【００１０】一方、ジオール成分としては、炭素数２〜
２０の脂肪族グリコール、例えばエチレングリコール、
プロピレングリコール、１，４−ブタンジオール、、ネ
オペンチルグリコール、１，５−ペンタンジオール、
１，６−ヘキサンジオール、デカメチレングリコール、
シクロヘキサンジメタノールなど；又は、分子量４００
〜６，０００の長鎖グリコール、例えば、ポリエチレン
グリコール、ポリ−１，３−プロピレングリコール、ポ
リテトラメチレングリコールなど、あるいはこれらの混
合物などが挙げられる。On the other hand, the diol component has 2 to 2 carbon atoms.
20 aliphatic glycols, such as ethylene glycol,
Propylene glycol, 1,4-butanediol, neopentyl glycol, 1,5-pentanediol,
1,6-hexanediol, decamethylene glycol,
Cyclohexanedimethanol, etc .; or molecular weight 400
To 6,000 long chain glycols such as polyethylene glycol, poly-1,3-propylene glycol, polytetramethylene glycol and the like, or a mixture thereof.
【００１１】代表的なポリアルキレンテレフタレートの
例は、ポリエチレンテレフタレート、ポリブチレンテレ
フタレート、ポリへキサメチレンテレフタレート、ポリ
シクロヘキサンジメチレンテレフタレートなどである。Representative examples of polyalkylene terephthalate are polyethylene terephthalate, polybutylene terephthalate, polyhexamethylene terephthalate, polycyclohexane dimethylene terephthalate and the like.
【００１２】こられのポリアルキレンテレフタレート
は、フェノールとテトラクロルエタンの重量比１：１の
混合溶媒中で３０℃で測定した固有粘度が０．３〜１．
５dl／g 、好ましくは０．４〜１．２dl／g である。
０．３dl／g 未満では組成物の機械的強度が十分でな
く、また、１．５dl／g を超えると流動性が著しく悪く
なり、成形が困難となる。These polyalkylene terephthalates have an intrinsic viscosity of 0.3 to 1. When measured at 30 ° C. in a mixed solvent of phenol and tetrachloroethane in a weight ratio of 1: 1.
It is 5 dl / g, preferably 0.4 to 1.2 dl / g.
If it is less than 0.3 dl / g, the mechanical strength of the composition is not sufficient, and if it exceeds 1.5 dl / g, the fluidity is remarkably deteriorated and molding becomes difficult.
【００１３】次に、本発明の成分（Ｂ）である強化充填
材は、繊維状や粒状又は粉状の有機・無機物である。繊
維状の強化充填材の例としては、ガラス繊維、アルミナ
繊維、炭化ケイ素繊維、セラミック繊維、アスベスト繊
維、セッコウ繊維、ステンレススチール繊維、ボロン繊
維、炭素繊維、ケブラー（商品名：デュポン社製、ポリ
パラフェニレンテレフタルアミド）繊維などが挙げられ
る。Next, the reinforcing filler which is the component (B) of the present invention is a fibrous, granular or powdery organic / inorganic substance. Examples of the fibrous reinforcing filler include glass fiber, alumina fiber, silicon carbide fiber, ceramic fiber, asbestos fiber, gypsum fiber, stainless steel fiber, boron fiber, carbon fiber, Kevlar (trade name: DuPont, poly Paraphenylene terephthalamide) fiber and the like.
【００１４】また、粒状又は粉状の強化充填材の例とし
ては、ワラストナイト、セリサイト、カオリン、マイ
カ、クレー、ベントナイト、アスベスト、タルク、アル
ミナシリケートなどのケイ酸塩；アルミナ、酸化ケイ
素、酸化マグネシウム、酸化ジルコニウム、酸化チタン
などの金属酸化物；炭酸カルシウム、炭酸マグネシウ
ム、ドロマイトなどの炭酸塩；硫酸カルシウム、硫酸バ
リウムなどの硫酸塩；その他ガラスビーズ、ガラスフレ
ーク、窒化ホウ素、炭化ケイ素などが挙げられる。Examples of the granular or powdery reinforcing filler include silicates such as wollastonite, sericite, kaolin, mica, clay, bentonite, asbestos, talc and alumina silicate; alumina, silicon oxide, Metal oxides such as magnesium oxide, zirconium oxide and titanium oxide; carbonates such as calcium carbonate, magnesium carbonate and dolomite; sulfates such as calcium sulfate and barium sulfate; other glass beads, glass flakes, boron nitride, silicon carbide, etc. Can be mentioned.
【００１５】これら強化充填材（Ｂ）は、１種又は２種
以上が用いられ、必要ならば、シラン系又はチタン系の
カップリング剤で予備処理しても良い。These reinforcing fillers (B) may be used alone or in combination of two or more. If necessary, they may be pretreated with a silane-based or titanium-based coupling agent.
【００１６】これら強化充填材（Ｂ）の配合量は、ポリ
アルキレンテレフタレート（Ａ）１００重量部に対し
て、３０〜２５０重量部、好ましくは３５〜２００重量
部である。３０重量部未満では、強化充填材としての効
果、すなわち、組成物の機械的強度及び耐熱性が発現せ
ず、２５０重量部を超えると成形時の流動性が悪く、実
用的でない。The amount of the reinforcing filler (B) compounded is 30 to 250 parts by weight, preferably 35 to 200 parts by weight, based on 100 parts by weight of the polyalkylene terephthalate (A). If it is less than 30 parts by weight, the effect as a reinforcing filler, that is, the mechanical strength and heat resistance of the composition are not exhibited, and if it exceeds 250 parts by weight, the fluidity at the time of molding is poor and it is not practical.
【００１７】成分（Ｃ）のメラミン・シアヌル酸付加物
とはメラミン（２，４，６−トリアミノ−１，３，５−
トリアジン）とシアヌル酸（２，４，６−トリヒドロキ
シ−１，３，５−トリアジン）及び／又はその互変異性
体が形成する付加物である。Melamine / cyanuric acid adduct of component (C) means melamine (2,4,6-triamino-1,3,5-
It is an adduct formed by triazine) and cyanuric acid (2,4,6-trihydroxy-1,3,5-triazine) and / or a tautomer thereof.
【００１８】これらメラミン・シアヌル酸付加物（Ｃ）
の配合量は、ポリアルキレンテレフタレート（Ａ）１０
０重量部に対して、５〜５０重量部、好ましくは１０〜
４０重量部である。５重量部未満ではリン系難燃剤と併
用しても難燃性が十分でない場合もあり、５０重量部を
超えると機械的強度が実用的なレベルを保持し得ない。These melamine-cyanuric acid adducts (C)
The compounding amount of polyalkylene terephthalate (A) 10
5 to 50 parts by weight, preferably 10 to 0 parts by weight
40 parts by weight. If it is less than 5 parts by weight, the flame retardancy may not be sufficient even if it is used in combination with a phosphorus-based flame retardant, and if it exceeds 50 parts by weight, the mechanical strength cannot maintain a practical level.
【００１９】成分（Ｄ）の式（Ｉ）のリン系難燃剤とし
ては、レゾルシノール ビス（ジフェニルホスフェー
ト）やレゾルシノール ビス（ジ−ｐ−メチルフェニル
ホスフェート）が好適である。As the phosphorus flame retardant of the formula (I) of the component (D), resorcinol bis (diphenyl phosphate) and resorcinol bis (di-p-methylphenyl phosphate) are preferable.
【００２０】これらリン系難燃剤（Ｄ）の配合量は、ポ
リアルキレンテレフタレート（Ａ）１００重量部に対し
て、５〜５０重量部、好ましくは７〜４０重量部であ
る。７重量部未満ではメラミン・シアヌル酸付加物と併
用しても難燃性が十分でない場合もあり、５０重量部を
超えると機械的強度が実用レベルを保持しえない。The amount of the phosphorus-based flame retardant (D) compounded is 5 to 50 parts by weight, preferably 7 to 40 parts by weight, based on 100 parts by weight of the polyalkylene terephthalate (A). If it is less than 7 parts by weight, the flame retardancy may not be sufficient even if it is used in combination with a melamine-cyanuric acid adduct, and if it exceeds 50 parts by weight, the mechanical strength cannot maintain a practical level.
【００２１】本発明の組成物に対しては、本発明の目的
を損わない範囲で、酸化防止剤、熱安定剤、紫外線吸収
剤、可塑剤、結晶核剤、結晶化促進剤、顔料、着色剤、
帯電防止剤などを配合することができる。With respect to the composition of the present invention, an antioxidant, a heat stabilizer, an ultraviolet absorber, a plasticizer, a crystal nucleating agent, a crystallization accelerator, a pigment, etc. within the range not impairing the object of the present invention. Colorants,
An antistatic agent or the like can be added.
【００２２】本発明の難燃性樹脂組成物は、以上の各成
分から、通常の溶融混練法で容易に製造することができ
る。The flame-retardant resin composition of the present invention can be easily produced from the above components by a usual melt-kneading method.
【００２３】[0023]
【実施例】以下、実施例を挙げて本発明を説明する。EXAMPLES The present invention will be described below with reference to examples.
【００２４】実施例１〜７及び比較例１〜３ ポリアルキレンテレフタレート（Ａ）、強化充填材
（Ｂ）、メラミン・シアヌル酸付加物（Ｃ）及びリン系
難燃剤（Ｄ）として表１に示す材料を、同表に示す組成
で配合し、径４０mmの単軸押出機で溶融混練し、ペレッ
ト化し、それぞれ実施例１〜７及び比較例１〜３の難燃
性樹脂組成物を得た。Examples 1 to 7 and Comparative Examples 1 to 3 are shown in Table 1 as polyalkylene terephthalate (A), reinforcing filler (B), melamine cyanuric acid adduct (C) and phosphorus flame retardant (D). The materials were blended in the composition shown in the same table, melt-kneaded with a single screw extruder having a diameter of 40 mm, and pelletized to obtain flame-retardant resin compositions of Examples 1 to 7 and Comparative Examples 1 to 3, respectively.
【００２５】得られたペレットを１３０℃、５時間乾燥
した後、日本製鋼所社製Ｊ−１００射出成形機を用い
て、金型温度８０℃で試験片を成形した。難燃性につい
ては、ＵＬ−９４規格に定める手法にもとづき、１／３
２インチ（０．７９４mm）の厚みで試験した。結果を表
１に示す。The pellets thus obtained were dried at 130 ° C. for 5 hours, and then a J-100 injection molding machine manufactured by Japan Steel Works, Ltd. was used to mold a test piece at a mold temperature of 80 ° C. Regarding flame retardancy, 1/3 based on the method specified in UL-94 standard
Tested at a thickness of 2 inches (0.794 mm). The results are shown in Table 1.
【００２６】[0026]
【表１】 [Table 1]
【００２７】[0027]
【表２】 [Table 2]
【００２８】[0028]
【発明の効果】実施例及び比較例から、明らかなよう
に、本発明の難燃性樹脂組成物は、難燃性が非常に優れ
ており、かつ、ハロゲン系難燃剤を含まないので、有害
ガスの発生及び腐食性がなく、電気・電子機器部品材料
として、工業的利用価値が極めて高い。As is clear from the examples and comparative examples, the flame-retardant resin composition of the present invention has very excellent flame retardancy and does not contain a halogen-based flame retardant, and therefore is harmful. It has no gas generation and corrosiveness, and has an extremely high industrial utility value as a material for electric and electronic equipment parts.
Claims (1)
（Ｄ）並びに組成からなるポリアルキレンテレフタレー
ト系難燃性樹脂組成物。 （Ａ）固有粘度が０．３〜１．５dl／g のポリアルキレンテレフタレート １００重量部 （Ｂ）強化充填材 ３０〜２５０重量部 （Ｃ）メラミン・シアヌル酸付加物 ５〜５０重量部 （Ｄ）式（Ｉ） 【化１】 （式中、Ｒ1 〜Ｒ9 及びＲ′5 〜Ｒ′9はそれぞれ水素
原子又はアルキル基を表す） で示されるリン系難燃剤 ５〜５０重量部1. A polyalkylene terephthalate flame-retardant resin composition comprising the following components (A), (B), (C) and (D) and a composition. (A) Polyalkylene terephthalate having an intrinsic viscosity of 0.3 to 1.5 dl / g 100 parts by weight (B) Reinforcing filler 30 to 250 parts by weight (C) Melamine / cyanuric acid adduct 5 to 50 parts by weight (D) Formula (I): (Wherein R 1 to R 9 and R ′ 5 to R ′ 9 each represent a hydrogen atom or an alkyl group) 5 to 50 parts by weight
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03261279A JP3102814B2 (en) | 1991-09-13 | 1991-09-13 | Flame retardant resin composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03261279A JP3102814B2 (en) | 1991-09-13 | 1991-09-13 | Flame retardant resin composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0570671A true JPH0570671A (en) | 1993-03-23 |
| JP3102814B2 JP3102814B2 (en) | 2000-10-23 |
Family
ID=17359617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP03261279A Ceased JP3102814B2 (en) | 1991-09-13 | 1991-09-13 | Flame retardant resin composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3102814B2 (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0685518A3 (en) * | 1994-06-03 | 1996-09-11 | Bayer Ag | Mineral-filled, flame-resistant moulding masses based on polyalkylene terephtalate. |
| WO1996037548A1 (en) * | 1995-05-23 | 1996-11-28 | Aicello Chemical Co., Ltd. | Flame-retardant resin composition |
| US5684071A (en) * | 1993-12-28 | 1997-11-04 | Kanegafuchi Kagaku Kogyo Kabushiki Kaisha | Additive for thermpolastic resins and flame retardant resin composition |
| NL1006525C2 (en) * | 1997-07-10 | 1999-01-12 | Dsm Nv | Halogen-free flame-retardant thermoplastic polyester composition. |
| EP0955333A2 (en) * | 1998-05-07 | 1999-11-10 | Basf Aktiengesellschaft | Flame protected polyester moulding matters |
| EP0955338A2 (en) * | 1998-05-07 | 1999-11-10 | Basf Aktiengesellschaft | Flame protected polyester moulding matters |
| US6710108B2 (en) | 2001-08-30 | 2004-03-23 | General Electric Company | Flame-retardant polyester composition, method for the preparation thereof, and articles derived therefrom |
| US7094819B2 (en) | 2001-08-09 | 2006-08-22 | Asahi Kasei Chemicals Corporation | Flame-retardant polytrimethylene terephthalate resin composition |
| US7135509B2 (en) | 2002-09-25 | 2006-11-14 | Toray Industries, Inc. | Flame-retardant polybutylene terephthalate resin composition and formed article |
| WO2007077794A1 (en) | 2005-12-26 | 2007-07-12 | Wintech Polymer Ltd. | Flame-retardant resin composition for transmission side member in laser welding |
| US7411013B2 (en) | 2002-12-27 | 2008-08-12 | Polyplastics Co., Ltd. | Flame-retardant resin composition |
| WO2011159897A1 (en) | 2010-06-16 | 2011-12-22 | Federal-Mogul Powertrain, Inc. | Flame-retardant compound, continuous materials and products constructed therefrom and methods of manufacture thereof |
| WO2021166851A1 (en) | 2020-02-19 | 2021-08-26 | 東洋紡株式会社 | Flame retardant polyester resin composition and molded article comprising same |
| CN115895212A (en) * | 2022-12-21 | 2023-04-04 | 扬州集飞新材料科技有限公司 | Flame-retardant wear-resistant PBT (polybutylene terephthalate) composite material and preparation method thereof |
-
1991
- 1991-09-13 JP JP03261279A patent/JP3102814B2/en not_active Ceased
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5684071A (en) * | 1993-12-28 | 1997-11-04 | Kanegafuchi Kagaku Kogyo Kabushiki Kaisha | Additive for thermpolastic resins and flame retardant resin composition |
| EP0685518A3 (en) * | 1994-06-03 | 1996-09-11 | Bayer Ag | Mineral-filled, flame-resistant moulding masses based on polyalkylene terephtalate. |
| WO1996037548A1 (en) * | 1995-05-23 | 1996-11-28 | Aicello Chemical Co., Ltd. | Flame-retardant resin composition |
| NL1006525C2 (en) * | 1997-07-10 | 1999-01-12 | Dsm Nv | Halogen-free flame-retardant thermoplastic polyester composition. |
| WO1999002606A1 (en) * | 1997-07-10 | 1999-01-21 | Dsm N.V. | Halogen-free flame-retardant thermoplastic polyester or polyamide composition |
| EP0955333A3 (en) * | 1998-05-07 | 1999-12-22 | Basf Aktiengesellschaft | Flame protected polyester moulding matters |
| EP0955338A2 (en) * | 1998-05-07 | 1999-11-10 | Basf Aktiengesellschaft | Flame protected polyester moulding matters |
| EP0955338A3 (en) * | 1998-05-07 | 1999-12-22 | Basf Aktiengesellschaft | Flame protected polyester moulding matters |
| EP0955333A2 (en) * | 1998-05-07 | 1999-11-10 | Basf Aktiengesellschaft | Flame protected polyester moulding matters |
| US7094819B2 (en) | 2001-08-09 | 2006-08-22 | Asahi Kasei Chemicals Corporation | Flame-retardant polytrimethylene terephthalate resin composition |
| US6710108B2 (en) | 2001-08-30 | 2004-03-23 | General Electric Company | Flame-retardant polyester composition, method for the preparation thereof, and articles derived therefrom |
| US7135509B2 (en) | 2002-09-25 | 2006-11-14 | Toray Industries, Inc. | Flame-retardant polybutylene terephthalate resin composition and formed article |
| US7411013B2 (en) | 2002-12-27 | 2008-08-12 | Polyplastics Co., Ltd. | Flame-retardant resin composition |
| WO2007077794A1 (en) | 2005-12-26 | 2007-07-12 | Wintech Polymer Ltd. | Flame-retardant resin composition for transmission side member in laser welding |
| WO2011159897A1 (en) | 2010-06-16 | 2011-12-22 | Federal-Mogul Powertrain, Inc. | Flame-retardant compound, continuous materials and products constructed therefrom and methods of manufacture thereof |
| WO2021166851A1 (en) | 2020-02-19 | 2021-08-26 | 東洋紡株式会社 | Flame retardant polyester resin composition and molded article comprising same |
| CN115895212A (en) * | 2022-12-21 | 2023-04-04 | 扬州集飞新材料科技有限公司 | Flame-retardant wear-resistant PBT (polybutylene terephthalate) composite material and preparation method thereof |
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