JPH10310690A - Thermoplastic resin composition - Google Patents

Thermoplastic resin composition

Info

Publication number
JPH10310690A
JPH10310690A JP13601897A JP13601897A JPH10310690A JP H10310690 A JPH10310690 A JP H10310690A JP 13601897 A JP13601897 A JP 13601897A JP 13601897 A JP13601897 A JP 13601897A JP H10310690 A JPH10310690 A JP H10310690A
Authority
JP
Japan
Prior art keywords
polybutylene terephthalate
hydroxymethyl
tris
terephthalate resin
compd
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.)
Pending
Application number
JP13601897A
Other languages
Japanese (ja)
Inventor
Toshio Honma
Katsumi Onishi
Hitoshi Tomita
斉 冨田
克己 大西
敏雄 本間
Original Assignee
Kanebo Ltd
Kanebo Synthetic Fibers Ltd
カネボウ合繊株式会社
鐘紡株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kanebo Ltd, Kanebo Synthetic Fibers Ltd, カネボウ合繊株式会社, 鐘紡株式会社 filed Critical Kanebo Ltd
Priority to JP13601897A priority Critical patent/JPH10310690A/en
Publication of JPH10310690A publication Critical patent/JPH10310690A/en
Application status is Pending legal-status Critical

Links

Abstract

PROBLEM TO BE SOLVED: To obtain a thermoplastic resin compsn. that is excellent in melt flowability and hardly stains a metal mold at the time of molding, by compounding a polybutylene terephthalate resin with a specified amt. of a tris(hydroxymethyl)alkane or tris(hydroxymethyl)alkanol compd.
SOLUTION: This compsn. is prepd. by compounding 100 pts.wt. polybutylene terephthalate resin with 0.1-5 pts.wt. compd. of the formula: (CH2OH)3C-X [wherein X is H, CnH2n+1 (wherein n is a natural number), or CnH2nOH]. A polybutylene terephthalate resin is a polymer prepd. by the polycondensation of an arom. dicarboxylic acid or its diester mainly comprising terephthalic acid or its ester-forming deriv. and a glycol component mainly comprising 1,4-butanediol. Examples of the compd. of the formula are pentaerythritol, 1,1,1- tris(hydroxymethyl)ethane, and 1,1,1-tris(hydroxymethyl)propane.
COPYRIGHT: (C)1998,JPO

Description

【発明の詳細な説明】 DETAILED DESCRIPTION OF THE INVENTION

【0001】 [0001]

【発明の属する技術分野】本発明は、溶融流動性を向上させたポリブチレンテレフタレート系樹脂組成物に関する。 The present invention relates to relates to polybutylene terephthalate resin composition having improved melt flowability.

【0002】 [0002]

【従来の技術】ポリブチレンテレフタレート樹脂は、成形性、耐薬品性、耐熱性、電気特性、機械特性等にに優れており、自動車分野、電気・電子分野、雑貨分野等幅広く使用されている。 BACKGROUND OF THE INVENTION Polybutylene terephthalate resin, moldability, chemical resistance, heat resistance, electrical properties, has excellent mechanical properties such as the automobile field, electric and electronic fields, are such goods fields widely used.

【0003】しかしながら、用途が広がると共に、複雑な形状の成形品が設計され、従来の溶融流動性のポリブチレンテレフタレート樹脂では流動性が不十分のため、 However, the application spreads are molded product design complex shapes, due to insufficient fluidity in the conventional melt flowability of polybutylene terephthalate resin,
金型に未充填となり満足な成形品を得られないという問題が出て来た。 A problem that the mold can not be obtained unfilled and made satisfactory molded article came out.

【0004】この対策として、例えば、溶融流動性を向上させるために樹脂の粘度を下げる方法が採られるが、 [0004] As a countermeasure, for example, a method of lowering the viscosity of the resin in order to improve the melt flowability is employed,
粘度低下に伴って樹脂自体の機械物性、特に靱性が低下すると言う問題がある。 Mechanical properties of the resin itself with the viscosity reduction is particularly a problem that the toughness is reduced. また、脂肪族系化合物等の内部滑剤を添加する方法も採られるが、不十分である。 Further, it is also taken a method of adding an internal lubricant such as aliphatic compounds, it is inadequate.

【0005】 [0005]

【発明が解決しようとする課題】本発明者らはかかる従来技術の有する問題点を解決すべく鋭意研究した結果、 [Invention is to provide an object of the present invention have found that the results of extensive research in order to solve the problems of the prior art,
本発明を完成したものであって、その目的とするところは、溶融流動性が優れ、しかも成形時の金型汚れも少ないポリブチレンテレフタレート系樹脂組成物を提供するにある。 A and completed the present invention, it is an object of excellent melt flowability, yet to provide a mold contamination during molding is small polybutylene terephthalate resin composition.

【0006】 [0006]

【課題を解決するための手段】即ち、本発明は、ポリブチレンテレフタレート系樹脂100重量部に対し、下記一般式(1)で示される化合物0.1〜5重量部を配合してなるポリブチレンテレフタレート系樹脂組成物である。 That SUMMARY OF THE INVENTION The present invention is, relative to 100 parts by weight of polybutylene terephthalate resin, by blending a compound 0.1-5 parts by weight of the following general formula (1) polybutylene terephthalates resin composition. (CH 2 OH) 3 C−X (1) (X=水素原子、C n2n+1 (nは自然数)、又はC n (CH 2 OH) 3 C- X (1) (X = hydrogen, C n H 2n + 1 ( n is a natural number), or C n
2n OH(nは自然数)) H 2n OH (n is a natural number))

【0007】 [0007]

【発明の実施の形態】以下、本発明を詳細に説明する。 BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the present invention will be described in detail.
本発明において、ポリブチレンテレフタレート系樹脂とは、テレフタル酸あるいはそのエステル形成性誘導体を主成分とする芳香族ジカルボン酸あるいはそのジエステルと、1,4−ブタンジオールを主とするグリコール成分とを公知の方法で重縮合して得られる重合体である。 In the present invention, the polybutylene terephthalate resin, and an aromatic dicarboxylic acid or a diester composed mainly of terephthalic acid or an ester-forming derivative thereof, 1,4-butane diol and a glycol component known as main a polycondensation polymer obtained by the method.

【0008】具体的には、テレフタル酸又はそのエステル形成性誘導体(例えばテレフタル酸ジメチル等)を主成分とし、これとイソフタル酸、2,6−ナフタレンジカルボン酸、4,4'−ジフェニルジカルボン酸、4, [0008] More specifically, terephthalic acid or an ester-forming derivative (e.g., dimethyl terephthalate, etc.) as main components, which isophthalic acid, 2,6-naphthalenedicarboxylic acid, 4,4'-diphenyl dicarboxylic acid, 4,
4'−ジフェノキシエタンジカルボン酸、セバシン酸、 4'diphenoxyethane dicarboxylic acid, sebacic acid,
アジピン酸、ダイマー酸等を適宜併用してなる芳香族ジカルボン酸成分と、1,4−ブタンジオールを主成分とし、エチレングリコールあるいはエチレンオキサイド、 Adipic acid, and aromatic dicarboxylic acid component comprising as appropriate combination of dimer acid and the like, as a main component 1,4-butanediol, ethylene glycol or ethylene oxide,
トリメチレングリコール、ヘキサメチレングリコール、 Trimethylene glycol, hexamethylene glycol,
デカメチレングリコール、シクロヘキサンジメタノール等のグリコール類を適宜併用してなるグリコール成分とを重縮合してなるものである。 Decamethylene glycol, in which the appropriate combination comprising glycol component glycols such as cyclohexanedimethanol comprising polycondensation.

【0009】本発明には、溶融流動性を向上させる目的で下記一般式(1)で示される化合物を配合することが肝要である。 [0009] The present invention, it is important to blend the compound represented by the purpose of improving the melt flowability by the following general formula (1). (CH 2 OH) 3 C−X (1) (X=水素原子、C n2n+1 (nは自然数)、又はC n (CH 2 OH) 3 C- X (1) (X = hydrogen, C n H 2n + 1 ( n is a natural number), or C n
2n OH(nは自然数)) H 2n OH (n is a natural number))

【0010】該化合物の具体例として、ペンタエリスリトール(X=CH 2 OH)、1,1,1−トリス(ヒドロキシメチル)エタン(X=CH 3 )、1,1,1−トリス(ヒドロキシメチル)プロパン(X=C 25 )等が挙げられる。 [0010] Specific examples of the compound, pentaerythritol (X = CH 2 OH), 1,1,1- tris (hydroxymethyl) ethane (X = CH 3), 1,1,1-tris (hydroxymethyl) propane (X = C 2 H 5), and the like.

【0011】本発明において該化合物の配合量は、ポリブチレンテレフタレート系樹脂100重量部に対して、 [0011] The amount of the compound in the present invention, with respect to 100 parts by weight of polybutylene terephthalate resin,
0.1〜5重量部であることが肝要である。 It is essential that from 0.1 to 5 parts by weight. 0.1重量部未満の場合、溶融流動性を向上させる効果は不十分であり、一方、5重量部を超える場合、成形時に金型を汚染が発生する。 If less than 0.1 part by weight, the effect of improving the melt fluidity is insufficient, whereas, if it exceeds 5 parts by weight, pollution occurs a mold during molding.

【0012】本発明のポリブチレンテレフタレート系樹脂組成物には相溶可能な樹脂を溶融混練等でブレンドすることも可能である。 [0012] It is also possible to blend compatible resin capable by melt-kneading or the like in the polybutylene terephthalate resin composition of the present invention. 好ましい相溶可能な樹脂としては、熱可塑性ポリエステル樹脂、グリシジル基を有した樹脂、ABS、PC、PPE等があげられるが、特に、 Preferred compatible possible resins, thermoplastic polyester resins, resins having a glycidyl group, ABS, PC, but PPE, and the like, in particular,
熱可塑性ポリエステル樹脂が好適な例として挙げられる。 Thermoplastic polyester resins as preferred examples.

【0013】本発明の樹脂組成物には、公知の添加剤を配合することが出来る。 [0013] The resin composition of the present invention may be blended with known additives. 例えば、成形性を改善する目的で、滑剤及び離型剤(例えばモンタン酸及びその塩、ステアリン酸及びその塩、ステアリルアルコール、ステアリルアミド、シリコン樹脂等)、酸化防止性や熱安定性を改善する目的で、酸化防止剤及び熱安定剤(例えばヒンダードフェノール、ヒドロキノン、チオエーテル、ホスファイト類及びこれらの置換体及びその組合せを含む)、耐光性を改善する目的で、紫外線吸収剤(例えばレゾルシノール、サリシレート、ベンゾトリアゾール、 For example, in order to improve the moldability, lubricants and mold release agents (e.g., montanic acid and salts thereof, stearic acid and its salts, stearyl alcohol, stearyl amide, silicone resin, etc.), to improve the prevention properties and thermal oxidation stability for the purpose, antioxidants and heat stabilizers (e.g. hindered phenols, hydroquinones, thioethers, including phosphites and their substituted derivatives and combinations thereof), in order to improve the light resistance, an ultraviolet absorber (such as resorcinol, salicylates, benzotriazole,
ベンゾフェノン等)、結晶核剤(例えばカオリン、タルク等)、染料(例えばニトロシン等)及び顔料(例えば硫化カドミウム、フタロシアニン等)を含む着色剤、添加剤添着液(例えばシリコンオイル等)等を1種以上添加することが出来る。 Benzophenone), crystal nucleating agents (such as kaolin, talc, etc.), dyes (e.g. nigrosine, etc.) and pigments (e.g. cadmium sulfide, colorant comprising phthalocyanine), additive agent impregnation solution (e.g., one silicon oil and the like) and the like it can be added in an amount of not less than.

【0014】本発明の熱可塑性樹脂組成物は射出成形品となるまで、すべての成分が十分に分散されていることが好ましい。 [0014] The thermoplastic resin composition of the present invention until an injection molded article, it is preferred that all components are well dispersed. このための方法としては、例えば異方向回転2軸押出機を用いてペレット状の樹脂を作り、射出成形工程に供する方法がある。 As a method for this, for example, making a pelletized resin using different rotating twin-screw extruder, a method of subjecting to injection molding process.

【0015】 [0015]

【発明の効果】本発明のポリブチレンテレフタレート系樹脂組成物は、溶融流動性が優れている。 Polybutylene terephthalate resin composition of the present invention according to the present invention is excellent in melt flowability.

【0016】 [0016]

【実施例】以下、実施例によって本発明を具体的に説明する。 EXAMPLES The following specific examples illustrate the present invention. 尚、物性評価は、以下の方法に従って行った。 In addition, evaluation of physical properties, were carried out according to the following methods.

【0017】(溶融流動性評価)M. I. 法にて行った。 [0017] was carried out by (melt fluidity evaluation) M. I. method. 測定条件は、温度250℃、荷重325g、オリフィス径2mmで行った。 Measurement conditions include a temperature 250 ° C., load 325 g, was carried out by the orifice diameter 2 mm.

【0018】(金型汚染性評価)シリンダー温度250 [0018] (the mold contamination assessment) a cylinder temperature of 250
℃、金型温度50℃とし、JIS1号引張試験片を射出成形で20ショット成形した後、金型の汚れを目視で評価、汚れが観察されなかった場合を「○」、汚れが観察された場合を「×」とした。 ° C., and a mold temperature of 50 ° C., after 20 shots molded by injection molding JIS1 No. Tensile test specimens, evaluation of mold contamination visually, the case where stain was observed "○", dirt was observed It was evaluated as "×" the case.

【0019】(ダイマー酸を共重合したポリブチレンテレフタレート系共重合ポリエステル樹脂の製造例)テレフタル酸ジメチル90モル,水素添加ダイマー酸(ユニケマ社製、PRIPLAST3008)10モル,1, The dimethyl terephthalate 90 moles (preparation of polybutylene terephthalate-based copolyester resin obtained by copolymerizing a dimer acid), hydrogenated dimer acid (Uniqema Corp., PRIPLAST3008) 10 moles, 1,
4−ブタンジオール140モルにエステル交換及び重合触媒としてテトラ−n−ブチルチタネート0.03モルをエステル交換槽に仕込み、210℃に加熱して生成するメタノールを系外に溜去し、エステル交換反応を行った。 G of tetra -n- butyl titanate 0.03 mol transesterification tank 4-butanediol 140 mol as transesterification and polymerization catalyst, was distilled off methanol formed by heating to 210 ° C. out of the system, the transesterification It was carried out. メタノール溜去がほぼ完了してから反応生成物を重合槽に移し、1時間かけて温度250℃、圧力0.5m The reaction product after the completion of methanol reservoir removed by substantially transferred to the polymerization vessel, a temperature 250 ° C. over 1 hour, the pressure 0.5m
mHg迄もっていき、その後重縮合を行い、ダイマー酸10モル%を共重合したポリブチレンテレフタレート系共重合ポリエステル樹脂を得た。 It brings up mHg, then subjected to polycondensation to obtain a 10 mol% dimer acid copolymerized polybutylene terephthalate-based copolymerized polyester resin. テトラクロロエタン: Tetrachloroethane:
フェノール=2:3(重量比)の混合溶媒(濃度1.0 Phenol = 2: 3 mixed solvent of (weight ratio) (concentration 1.0
00g/dl)を用い20℃で測定した相対粘度ηrel 200 g / dl) was measured at 20 ° C. with a relative viscosity ηrel
は2.2であった。 It was 2.2.

【0020】実施例1〜4、比較例1〜5 ポリブチレンテレフタレート系樹脂として、ポリブチレンテレフタレート樹脂(カネボウ合繊社製 PBT12 [0020] Examples 1-4, Comparative Example 1-5 polybutylene terephthalate resin, polybutylene terephthalate resin (Kanebo Gosen Co. PBT12
0 相対粘度 2.1)、若しくは製造例で得たダイマー酸10モル%を共重合したポリブチレンテレフタレート系共重合ポリエステル樹脂100重量部に対して、表1に示す添加剤を配合し、スクリュー径30mmの同方向2軸混練押出機(日本製鋼所社製 TEX−30α) 0 relative viscosity 2.1), or 10 mol% dimer acid obtained in Production Example respect copolymerized polybutylene terephthalate-based copolymerized polyester resin 100 parts by weight, blended with additives shown in Table 1, a screw diameter 30mm same direction twin-screw extruder (Japan Steel Works Co., Ltd. TEX-30α)
で溶融混練し、ペレットを得た。 In melt-kneaded to obtain pellets. 得られたペレットを乾燥後、溶融流動性の評価のためM. I. 及び金型汚染性の評価のため射出成形に供した。 After the resulting pellet dried and subjected to M. I. and injection molding for the evaluation of mold staining property for the evaluation of melt fluidity. その結果を表1に示す。 The results are shown in Table 1.

【0021】 [0021]

【表1】 [Table 1]

【0022】以上の実験結果より、本発明のポリブチレンテレフタレート系樹脂組成物は溶融流動性に優れている事が分かった。 [0022] From the above experimental results, polybutylene terephthalate resin composition of the present invention was found to be excellent in melt flowability.

Claims (1)

    【特許請求の範囲】 [The claims]
  1. 【請求項1】 ポリブチレンテレフタレート系樹脂10 1. A polybutylene terephthalate resin 10
    0重量部に対し、下記一般式(1)で示される化合物を0.1〜5重量部配合してなるポリブチレンテレフタレート系樹脂組成物。 0 to parts by weight, polybutylene terephthalate resin composition obtained by adding 0.1 to 5 parts by weight of a compound represented by the following general formula (1). (CH 2 OH) 3 C−X (1) (X=水素原子、C n2n+1 (nは自然数)、又はC n (CH 2 OH) 3 C- X (1) (X = hydrogen, C n H 2n + 1 ( n is a natural number), or C n
    2n OH(nは自然数)) H 2n OH (n is a natural number))
JP13601897A 1997-05-08 1997-05-08 Thermoplastic resin composition Pending JPH10310690A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13601897A JPH10310690A (en) 1997-05-08 1997-05-08 Thermoplastic resin composition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13601897A JPH10310690A (en) 1997-05-08 1997-05-08 Thermoplastic resin composition

Publications (1)

Publication Number Publication Date
JPH10310690A true JPH10310690A (en) 1998-11-24

Family

ID=15165270

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13601897A Pending JPH10310690A (en) 1997-05-08 1997-05-08 Thermoplastic resin composition

Country Status (1)

Country Link
JP (1) JPH10310690A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007027390A1 (en) * 2005-08-31 2007-03-08 General Electric Company High flow polyester composition
WO2012031054A1 (en) 2010-09-01 2012-03-08 E. I. Du Pont De Nemours And Company Thermoplastic composition having improved melt flowability
CN105315629A (en) * 2015-11-06 2016-02-10 东华大学 High-flow polyester composition and preparation method thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007027390A1 (en) * 2005-08-31 2007-03-08 General Electric Company High flow polyester composition
EP2088168A1 (en) 2005-08-31 2009-08-12 Sabic Innovative Plastics IP B.V. High flow polyester composition
US7825176B2 (en) 2005-08-31 2010-11-02 Sabic Innovative Plastics Ip B.V. High flow polyester composition
EP2287243A1 (en) 2005-08-31 2011-02-23 SABIC Innovative Plastics IP B.V. High flow polyester composition
WO2012031054A1 (en) 2010-09-01 2012-03-08 E. I. Du Pont De Nemours And Company Thermoplastic composition having improved melt flowability
CN105315629A (en) * 2015-11-06 2016-02-10 东华大学 High-flow polyester composition and preparation method thereof

Similar Documents

Publication Publication Date Title
EP0015146B1 (en) Polyester compositions and processes for moulding them
JP2763348B2 (en) Polyamide resin composition
US4391954A (en) Thermoplastic molding composition
EP0598043B1 (en) Polyester/polycarbonate blends containing phosphites
CA2433126C (en) Polyester compositions of low residual aldehyde content
CN1165579C (en) Flame-retardant thermoplastic polyester resin composition
CA1225182A (en) Flame retardant thermoplastic multi-block copolyester elastomers
JP5214099B2 (en) Flame-retardant polybutylene terephthalate resin composition
KR930008740B1 (en) Polyester resin composition and molded article thereof
KR100954924B1 (en) Flame-retardant resin composition and flame-retardant injection molding
EP0661342A1 (en) Additive for thermoplastic resins and flame retardant resin composition
CA1045269A (en) Flame retardant and drip resistant thermoplastics
US6515044B1 (en) Method for producing highly viscous polyesters
EP0516351B1 (en) Flame-retardant polybutylene terephthalate resin composition
GB1580348A (en) Filler reinforced moulding compositions
CA1069640A (en) Resin composition and a process for preparing same
JP3362200B2 (en) Increase in the molecular weight of the polyester
KR100238505B1 (en) High impact polyester/ethylene copolymer blend
US7829614B2 (en) Reinforced polyester compositions, methods of manufacture, and articles thereof
CN1020913C (en) Polybutylene terephthalate moulding compositions with improved flowability
JPH0721105B2 (en) Flame-retardant polyester resin composition
JPH0774302B2 (en) Flame-retardant polyester resin finger composition
WO1989007628A1 (en) Reinforced molding compositions based on poly(1,4-cyclohexylene dimethylene terephthalate) having improved crystallization characteristics
KR950006640B1 (en) Polyester resin molding compositions
CN103003359B (en) Flame resistant polyester compositions, method of manufacture, and articles thereof