JP2008024923A5

JP2008024923A5 -

Info

Publication number: JP2008024923A5
Application number: JP2007165673A
Authority: JP
Filing date: 2007-06-22
Publication date: 2010-08-05
Anticipated expiration: 2027-06-22

Description

すなわち本発明は、
（１）ポリアミド樹脂（ａ）とＰＭＭＡ換算重量平均分子量が１０万〜２７万のポリ乳酸樹脂（ｂ）との合計量を１００重量％として、前記ポリアミド樹脂（ａ）３０〜９９重量％および前記ポリ乳酸樹脂（ｂ）７０〜１重量％を配合すると共に、前記ポリアミド樹脂（ａ）とポリ乳酸樹脂（ｂ）の合計１００重量部に対して、無機核剤（ｃ）を０．０１〜１０重量部配合してなる熱可塑性樹脂組成物であって、電子顕微鏡で観察される樹脂相分離構造において前記ポリアミド樹脂（ａ）が連続相、前記ポリ乳酸樹脂（ｂ）が分散相を形成していることを特徴とする長尺物固定治具用熱可塑性樹脂組成物、
（２）前記ポリアミド樹脂（ａ）５０〜９９重量％および前記ポリ乳酸樹脂（ｂ）５０〜１重量％を配合してなる（１）記載の長尺物固定治具用熱可塑性樹脂組成物、
（３）前記ポリアミド樹脂（ａ）がナイロン６樹脂である（１）または（２）に記載の長尺物固定治具用熱可塑性樹脂組成物、
（４）前記無機核剤（ｃ）がタルクである（１）〜（３）のいずれかに記載の長尺物固定治具用熱可塑性樹脂組成物、
（５）前記ポリアミド樹脂（ａ）とポリ乳酸樹脂（ｂ）の合計１００重量部に対して、滑剤（ｄ）を０．０１〜５重量部配合してなる（１）〜（４）のいずれかに記載の長尺物固定治具用熱可塑性樹脂組成物、
（６）前記滑剤（ｄ）がエチレンビスステアリルアミド、ステアリン酸バリウム、ステアリン酸カルシウム、ステアリン酸マグネシウム、ステアリン酸アルミニウムおよびステアリン酸亜鉛からなる群から選ばれる少なくとも１種である（５）記載の長尺物固定治具用熱可塑性樹脂組成物、
（７）前記ポリアミド樹脂（ａ）とポリ乳酸樹脂（ｂ）の合計１００重量部に対して、相溶化剤（ｅ）を０．０１〜１０重量部配合してなる（１）〜（６）のいずれかに記載の長尺物固定治具用熱可塑性樹脂組成物、
（８）前記相溶化剤（ｅ）がビスフェノール−グリシジルエーテル系エポキシ化合物、カルボジイミド化合物およびエチレン／（メタ）アクリル酸グリシジル−ｇ−（メタ）アクリル酸メチル共重合体からなる群から選ばれる少なくとも１種である（７）記載の長尺物固定治具用熱可塑性樹脂組成物、
（９）前記ポリアミド樹脂（ａ）とポリ乳酸樹脂（ｂ）の合計１００重量部に対して、可塑剤（ｆ）を０．０１〜３０重量部配合してなる（１）〜（８）のいずれかに記載の長尺物固定治具用熱可塑性樹脂組成物、
（１０）前記可塑剤（ｆ）がポリアルキレングリコール系可塑剤である（９）記載の長尺物固定治具用熱可塑性樹脂組成物、
（１１）ＰＭＭＡ換算重量平均分子量が１０万〜２７万のポリ乳酸樹脂（ｂ）と相溶化剤（ｅ）とを溶融混練した後に、ポリアミド樹脂（ａ）を添加し溶融混練することにより、混練後の電子顕微鏡で観察される樹脂相分離構造を前記ポリアミド樹脂（ａ）を連続相、前記ポリ乳酸樹脂（ｂ）を分散相にすることを特徴とする長尺物固定治具用熱可塑性樹脂組成物の製造方法、
（１２）前記相溶化剤（ｅ）がビスフェノール−グリシジルエーテル系エポキシ化合物、カルボジイミド化合物およびエチレン／（メタ）アクリル酸グリシジル−ｇ−（メタ）アクリル酸メチル共重合体からなる群から選ばれる少なくとも１種である（１１）記載の長尺物固定治具用熱可塑性樹脂組成物の製造方法、
（１３）前記長尺物固定治具用熱可塑性樹脂組成物が（１）〜（１０）のいずれかに記載の熱可塑性樹脂組成物である（１１）記載の長尺物固定治具用熱可塑性樹脂組成物の製造方法、
を提供するものである。 That is, the present invention
(1) The total amount of the polyamide resin (a) and the polylactic acid resin (b) having a PMMA equivalent weight average molecular weight of 100,000 to 270,000 is 100% by weight, and the polyamide resin (a) is 30 to 99% by weight and the above with blending polylactic acid resin (b) seventy to one percent by weight, relative to the total 100 parts by weight of the polyamide resin (a) and the polylactic acid resin (b), an inorganic nucleating agent (c) 0.01 to 10 a thermoplastic resin composition obtained by parts blending, the polyamide resin (a) is the continuous phase in the resin phase separation structure is observed by an electron microscope, the polylactic acid resin (b) is to form a dispersed phase A thermoplastic resin composition for a long object fixing jig,
(2) The thermoplastic resin composition for a long object fixing jig according to (1), comprising 50 to 99% by weight of the polyamide resin (a) and 50 to 1% by weight of the polylactic acid resin (b),
(3) The thermoplastic resin composition for long object fixing jigs according to (1) or (2), wherein the polyamide resin (a) is nylon 6 resin,
( 4 ) The thermoplastic resin composition for long object fixing jigs according to any one of (1) to (3), wherein the inorganic nucleating agent (c) is talc.
( 5 ) Any of (1) to ( 4 ), wherein 0.01 to 5 parts by weight of the lubricant (d) is blended with respect to 100 parts by weight of the total of the polyamide resin (a) and the polylactic acid resin (b). The thermoplastic resin composition for long object fixing jig according to,
( 6 ) The long length according to ( 5 ), wherein the lubricant (d) is at least one selected from the group consisting of ethylene bisstearylamide, barium stearate, calcium stearate, magnesium stearate, aluminum stearate, and zinc stearate. Thermoplastic resin composition for fixing jig,
( 7 ) Comprising 0.01-10 weight part of compatibilizer (e) with respect to a total of 100 weight part of the said polyamide resin (a) and polylactic acid resin (b) (1)-( 6 ) A thermoplastic resin composition for a long object fixing jig according to any one of
( 8 ) The compatibilizer (e) is at least one selected from the group consisting of a bisphenol-glycidyl ether epoxy compound, a carbodiimide compound, and an ethylene / glycidyl (meth) acrylate-g- (meth) acrylate copolymer. The thermoplastic resin composition for long object fixing jigs according to ( 7 ), which is a seed,
( 9 ) Of (1) to ( 8 ), the plasticizer (f) is blended in an amount of 0.01 to 30 parts by weight with respect to a total of 100 parts by weight of the polyamide resin (a) and the polylactic acid resin (b). The thermoplastic resin composition for a long object fixing jig according to any one of the above,
( 10 ) The thermoplastic resin composition for long object fixing jigs according to ( 9 ), wherein the plasticizer (f) is a polyalkylene glycol plasticizer,
(11) PMMA equivalent weight average molecular weight of 100,000 to 270,000 of the polylactic acid resin (b) and the compatibilizing agent and (e) was melted and kneaded by melt-kneading was added polyamide resin (a), kneading A thermoplastic resin for a long object fixing jig, characterized in that the polyamide resin (a) is a continuous phase and the polylactic acid resin (b) is a disperse phase as a resin phase separation structure observed with a later electron microscope Production method of the composition,
(12) the compatibilizer (e) bisphenol - glycidyl ether epoxy compound, a carbodiimide compound and an ethylene / (meth) at least one selected from the group consisting of glycidyl acrylate-g-(meth) methyl acrylate copolymer ( 11 ) a method for producing a thermoplastic resin composition for a long object fixing jig,
(13) the long object securing jig thermoplastic resin composition (1) to (10) is a thermoplastic resin composition according to any one of (11) heat for long object fixture according Method for producing a plastic resin composition,
Is to provide.

本発明の長尺物固定治具用熱可塑性樹脂組成物は、ポリアミド樹脂（ａ）３０〜９９重量％とＰＭＭＡ換算重量平均分子量１０万〜２７万のポリ乳酸樹脂（ｂ）７０〜１重量％とからなると共に、ポリアミド樹脂（ａ）とポリ乳酸樹脂（ｂ）の合計１００重量部に対して、無機核剤（ｃ）を０．０１〜１０重量部配合し、電子顕微鏡観察の樹脂相分離構造においてポリアミド樹脂（ａ）が連続相、ポリ乳酸樹脂（ｂ）が分散相を形成するようにしているので、成形性を向上すると共に、大気平衡吸水下の靭性、強度、弾性率を向上することができる。そのため、この熱可塑性樹脂組成物を長尺物固定治具に使用すると、固定治具を成形する際の成形サイクルの短縮が可能になり、また実使用下において耐折れ曲げ性、結合部強度を増大すると共に、バンド部を係止部に挿入するときの勘合音の確認を容易にすることができる。 The thermoplastic resin composition for a long object fixing jig of the present invention comprises a polyamide resin (a) 30 to 99% by weight and a polylactic acid resin (b) 70 to 1% by weight with a PMMA equivalent weight average molecular weight of 100,000 to 270,000. a and a Rutotomoni, per 100 parts by weight of the polyamide resin (a) and the polylactic acid resin (b), an inorganic nucleating agent (c) were blended 0.01 to 10 parts by weight, the resin phase of the electron microscope In the separation structure, the polyamide resin (a) forms a continuous phase and the polylactic acid resin (b) forms a dispersed phase, improving moldability and improving toughness, strength, and elastic modulus under atmospheric equilibrium water absorption. can do. Therefore, if this thermoplastic resin composition is used for a long object fixing jig, it becomes possible to shorten the molding cycle when the fixing jig is molded, and the bending resistance and the strength of the joint portion are improved under actual use. While increasing, the confirmation of the fitting sound when inserting a band part in a latching | locking part can be made easy.

本発明の熱可塑性樹脂組成物には、成形時の冷却固化時間を短縮しハイサイクル性を改良する目的と、大気平衡時の弾性率を改良する目的で無機核剤（ｃ）を添加する。無機核剤（ｃ）の具体例としては、タルク、ワラステナイト、ゼオライト、セリサイト、マイカ、カオリン、クレー、パイロフィライト、ベントナイト、アスベスト、アルミナシリケートなどの珪酸塩、モンモリロナイト、合成雲母などの膨潤性の層状珪酸塩、酸化珪素、酸化マグネシウム、アルミナ、酸化ジルコニウム、酸化チタン、酸化鉄などの金属化合物、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、水酸化カルシウム、水酸化マグネシウム、水酸化アルミニウムなどの水酸化物、ガラスビーズ、ガラスフレーク、ガラス粉、セラミックビーズ、窒化ホウ素、炭化珪素、カーボンブラックおよびシリカ、黒鉛、紙粉、木粉、竹粉、セルロース粉末、籾殻粉末、果実殻粉末、キチン粉末、キトサン粉末、タンパク質、澱粉、籾殻、木材チップ、おから、古紙粉砕材、衣料粉砕材などが挙げられる。中でもタルクが好ましい。これらは中空であってもよく、さらにはこれら無機核剤を２種類以上併用することも可能である。また、これらの無機核剤はその表面を公知のカップリング剤（例えば、シラン系カップリング剤、チタネート系カップリング剤など）、その他の表面処理剤および膨潤性の層状珪酸塩では有機化オニウムイオンで予備処理することは、より優れたハイサイクル性、機械的強度を得る意味において好ましい。 The thermoplastic resin composition of the present invention, you added and purpose of improving the shortened high-cycle properties of the cooling and solidification time during molding, the inorganic nucleating agent for the purpose of improving the elastic modulus at atmospheric equilibrium (c) . Specific examples of the inorganic nucleating agent (c) include swelling of silicates such as talc, wollastonite, zeolite, sericite, mica, kaolin, clay, pyrophyllite, bentonite, asbestos, and alumina silicate, montmorillonite, and synthetic mica. Layered silicates, metal compounds such as silicon oxide, magnesium oxide, alumina, zirconium oxide, titanium oxide and iron oxide, carbonates such as calcium carbonate, magnesium carbonate and dolomite, sulfates such as calcium sulfate and barium sulfate, water Hydroxides such as calcium oxide, magnesium hydroxide, aluminum hydroxide, glass beads, glass flakes, glass powder, ceramic beads, boron nitride, silicon carbide, carbon black and silica, graphite, paper powder, wood powder, bamboo powder, Cellulose powder, rice husk powder, fruit shell powder , Chitin powder, chitosan powder, protein, starch, rice husks, wood chips, bean curd refuse, used paper pulverized material, and the like apparel crushed material. Of these, talc is preferable. These may be hollow, and two or more of these inorganic nucleating agents may be used in combination. In addition, these inorganic nucleating agents have organic onium ions on the surface of known coupling agents (for example, silane coupling agents, titanate coupling agents, etc.), other surface treatment agents, and swellable layered silicates. It is preferable to perform the preliminary treatment in order to obtain more excellent high cycle property and mechanical strength.

無機核剤（ｃ）の配合割合はポリアミド樹脂（ａ）とポリ乳酸樹脂（ｂ）の合計１００重量部に対して、０．０１〜１０重量部である。好ましくは０．１〜５重量部であるとよい。０．０１重量部未満の添加量においてはハイサイクル性と大気平衡時の弾性率の改良効果が小さく、１０重量部を超える場合は靭性の低下が著しくなる。 The compounding ratio of the inorganic nucleating agent (c) is 0.01 to 10 parts by weight with respect to 100 parts by weight as a total of the polyamide resin (a) and the polylactic acid resin (b) . Good Mashiku may If it is 0.1 to 5 parts by weight. Small effect of improving the high-cycle properties and elastic modulus at atmospheric equilibrium in amount of less than 0.01 part by weight, when it exceeds 10 parts by weight decreases toughness significantly ing.

実施例１〜９、比較例１〜７
下に示す各成分を表１、表２に記載の各割合でドライブレンドした後、日本製鋼所社製ＴＥＸ３０型２軸押出機でスクリュー混練部に低発熱混練エレメントを導入したスクリューを用いて、シリンダー温度、スクリュー回転数を表１、表２に示した条件に設定して、溶融混練を行い、ダイから吐出されるガットを即座に水浴にて冷却し、ストランドカッターによりペレット化した。得られたペレットは８０℃で１２時間真空乾燥し、住友重機社製ＳＧ７５Ｈ−ＭIV射出成形機を使用して、実施例１〜９、比較例１、比較例５〜７はシリンダー温度２５０℃、金型温度８０℃で、また比較例２〜４はシリンダー温度２８０℃、金型温度８０℃で射出成形することによりＡＳＴＭ１号ダンベル片を調製した。同様に８０℃で１２時間真空乾燥したペレットを用いて、東芝機械社製ＩＳ―１００Ｅ型射出成形機を使用して、図１に示すサイズの結束バンドを一度に１６個成形できるキャビティを有した金型を用いて、実施例１〜９、比較例１、比較例５〜７はシリンダー温度２５０℃、金型温度８０℃で、また比較例２〜４はシリンダー温度２８０℃、金型温度８０℃で射出成形することにより結束バンドを調製した。 Example 1-9, Comparative Examples 1-7
After dry blending each component shown below at each ratio shown in Table 1 and Table 2, using a screw in which a low exothermic kneading element was introduced into the screw kneading part with a TEX30 type twin screw extruder manufactured by Nippon Steel Works, The cylinder temperature and screw rotation speed were set to the conditions shown in Tables 1 and 2, melt kneading was performed, and the gut discharged from the die was immediately cooled in a water bath and pelletized by a strand cutter. The obtained pellets were vacuum dried at 80 ° C. for 12 hours, and SG75H-MIV injection molding machine manufactured by Sumitomo Heavy Industries, Ltd. was used. Examples 1 to 9 , Comparative Example 1 and Comparative Examples 5 to 7 had a cylinder temperature of 250 ° C. ASTM No. 1 dumbbell pieces were prepared by injection molding at a mold temperature of 80 ° C. and in Comparative Examples 2 to 4 at a cylinder temperature of 280 ° C. and a mold temperature of 80 ° C. Similarly, using pellets that had been vacuum-dried at 80 ° C. for 12 hours, using IS-100E injection molding machine manufactured by Toshiba Machine Co., Ltd., had a cavity capable of molding 16 binding bands of the size shown in FIG. Using the molds, Examples 1 to 9 , Comparative Example 1 and Comparative Examples 5 to 7 have a cylinder temperature of 250 ° C. and a mold temperature of 80 ° C., and Comparative Examples 2 to 4 have a cylinder temperature of 280 ° C. and a mold temperature of 80 A binding band was prepared by injection molding at 0 ° C.

実施例１０〜１２
下に示す各成分を表３に記載の各割合でドライブレンドした後、日本製鋼所社製ＴＥＸ３０型２軸押出機でスクリュー混練部に低発熱混練エレメントを導入したスクリューを用いて、シリンダー温度、スクリュー回転数を表３に示した条件に設定して、溶融混練を行い、ダイから吐出されるガットを即座に水浴にて冷却し、ストランドカッターによりペレット化した。得られたペレットは８０℃で１２時間真空乾燥し、住友重機社製ＳＧ７５Ｈ−ＭIV射出成形機を使用して、シリンダー温度２５０℃、金型温度８０℃で射出成形することによりＡＳＴＭ１号ダンベル片を調製した。同様に８０℃で１２時間真空乾燥したペレットを用いて、東芝機械社製ＩＳ―１００Ｅ型射出成形機を使用して、図１に示すサイズの結束バンドを一度に１６個成形できるキャビティを有した金型を用いて、シリンダー温度２５０℃、金型温度８０℃で射出成形することにより結束バンドを調製した。 Examples 10-12
After dry blending each component shown below at each ratio shown in Table 3, using a screw in which a low exothermic kneading element was introduced into the screw kneading section with a TEX30 twin screw extruder manufactured by Nippon Steel Works, the cylinder temperature, The screw rotation speed was set to the conditions shown in Table 3, melt kneading was performed, the gut discharged from the die was immediately cooled in a water bath, and pelletized with a strand cutter. The obtained pellets were vacuum-dried at 80 ° C. for 12 hours, and an ASTM No. 1 dumbbell piece was formed by injection molding at a cylinder temperature of 250 ° C. and a mold temperature of 80 ° C. using a SG75H-MIV injection molding machine manufactured by Sumitomo Heavy Industries. Prepared. Similarly, using pellets that had been vacuum-dried at 80 ° C. for 12 hours, using IS-100E injection molding machine manufactured by Toshiba Machine Co., Ltd., had a cavity capable of molding 16 binding bands of the size shown in FIG. Using a mold, a binding band was prepared by injection molding at a cylinder temperature of 250 ° C. and a mold temperature of 80 ° C.

実施例１３，１４
シリンダー中流部にサイドフィーダーを装備した日本製鋼所社製ＴＥＸ３０型２軸押出機でスクリュー混練部に低発熱混練エレメントを導入したスクリューを用いて、下に示す各成分を表３に記載の割合でシリンダー上流部の供給口からポリ乳酸樹脂、無機核剤、相溶化剤、可塑剤、その他樹脂をドライブレンドした後に投入してシリンダー温度２００℃で溶融混練したところに、シリンダー中流部のサイドフィーダーより、表３の残りの各成分を投入し、シリンダー温度、スクリュー回転数を表３に示した条件に設定して、溶融混練を行い、ダイから吐出されるガットは即座に水浴にて冷却し、ストランドカッターによりペレット化した。得られたペレットは８０℃で１２時間真空乾燥し、住友重機社製ＳＧ７５Ｈ−ＭIV射出成形機を使用して、シリンダー温度２５０℃、金型温度８０℃で射出成形することによりＡＳＴＭ１号ダンベル片を調製した。同様に８０℃で１２時間真空乾燥したペレットを用いて、東芝機械社製ＩＳ―１００Ｅ型射出成形機を使用して、図１に示すサイズの結束バンドを一度に１６個成形できるキャビティを有した金型を用いて、シリンダー温度２５０℃、金型温度８０℃で射出成形することにより結束バンドを調製した。 Examples 13 and 14
Using the TEX30 type twin screw extruder manufactured by Nippon Steel Works, equipped with a side feeder in the middle part of the cylinder, using a screw with a low exothermic kneading element introduced into the screw kneading part, the components shown below are in the proportions shown in Table 3. From the supply port in the upstream part of the cylinder, polylactic acid resin, inorganic nucleating agent, compatibilizing agent, plasticizer, and other resins are added after dry blending and melt kneaded at a cylinder temperature of 200 ° C. The remaining components in Table 3 were added, the cylinder temperature and the screw rotation speed were set to the conditions shown in Table 3, melt kneading, and the gut discharged from the die was immediately cooled in a water bath, Pelletized with a strand cutter. The obtained pellets were vacuum-dried at 80 ° C. for 12 hours, and an ASTM No. 1 dumbbell piece was formed by injection molding at a cylinder temperature of 250 ° C. and a mold temperature of 80 ° C. using a SG75H-MIV injection molding machine manufactured by Sumitomo Heavy Industries. Prepared. Similarly, using pellets that had been vacuum-dried at 80 ° C. for 12 hours, using IS-100E injection molding machine manufactured by Toshiba Machine Co., Ltd., had a cavity capable of molding 16 binding bands of the size shown in FIG. Using a mold, a binding band was prepared by injection molding at a cylinder temperature of 250 ° C. and a mold temperature of 80 ° C.

同様に、ポリ乳酸樹脂（ｂ）は以下の通りである。
（Ｂ−１）：重量平均分子量（ＰＭＭＡ換算）１６万、Ｄ体含有率１．２％のポリＬ乳酸樹脂。
（Ｂ−３）：重量平均分子量（ＰＭＭＡ換算）８．５万、Ｄ体含有率１．２％のポリＬ乳酸樹脂。
（Ｂ−４）：重量平均分子量（ＰＭＭＡ換算）４０万、Ｄ体含有率１．２％のポリＬ乳酸樹脂。 Similarly, the polylactic acid resin (b) is as follows.
(B-1): Poly L lactic acid resin having a weight average molecular weight (PMMA conversion) of 160,000 and a D-form content of 1.2% .
( B-3): Poly L lactic acid resin having a weight average molecular weight (in terms of PMMA) of 85,000 and a D-form content of 1.2%.
(B-4): Poly-L lactic acid resin having a weight average molecular weight (in terms of PMMA) of 400,000 and a D-form content of 1.2%.

Claims

The total amount of the polyamide resin (a) and the polylactic acid resin (b) having a PMMA-converted weight average molecular weight of 100,000 to 270,000 is 100% by weight, and the polyamide resin (a) is 30 to 99% by weight and the polylactic acid resin. (B) While blending 70 to 1% by weight, 0.01 to 10 parts by weight of the inorganic nucleating agent (c) is blended with respect to a total of 100 parts by weight of the polyamide resin (a) and the polylactic acid resin (b). It is a thermoplastic resin composition, and the polyamide resin (a) forms a continuous phase and the polylactic acid resin (b) forms a dispersed phase in a resin phase separation structure observed with an electron microscope. A thermoplastic resin composition for a long object fixing jig.

The thermoplastic resin composition for a long object fixing jig according to claim 1, wherein 50% to 99% by weight of the polyamide resin (a) and 50% to 1% by weight of the polylactic acid resin (b) are blended.

The thermoplastic resin composition for a long object fixing jig according to claim 1 or 2, wherein the polyamide resin (a) is a nylon 6 resin.

The thermoplastic resin composition for a long object fixing jig according to any one of claims 1 to 3, wherein the inorganic nucleating agent (c) is talc.

The length according to any one of claims 1 to 4 , comprising 0.01 to 5 parts by weight of a lubricant (d) based on 100 parts by weight of the total of the polyamide resin (a) and the polylactic acid resin (b). A thermoplastic resin composition for a scale fixing jig.

The long object fixing treatment according to claim 5, wherein the lubricant (d) is at least one selected from the group consisting of ethylene bisstearylamide, barium stearate, calcium stearate, magnesium stearate, aluminum stearate and zinc stearate. A thermoplastic resin composition.

According to any one of the polyamide resin (a) and 100 parts by weight of the total of the polylactic acid resin (b), compatibilizer (e) a by blending 0.01 to 10 parts by claim 1-6 Thermoplastic resin composition for long object fixing jigs.

The compatibilizer (e) is at least one selected from the group consisting of a bisphenol-glycidyl ether type epoxy compound, a carbodiimide compound, and an ethylene / glycidyl (meth) acrylate-g- (meth) acrylate copolymer. 7. elongate article fixture thermoplastic resin composition.

100 parts by weight of the total of the polyamide resin (a) and the polylactic acid resin (b), according to any one of claims 1 to 8, plasticizer (f) by blending 0.01-30 parts by weight A thermoplastic resin composition for a long object fixing jig.

The thermoplastic resin composition for a long object fixing jig according to claim 9, wherein the plasticizer (f) is a polyalkylene glycol plasticizer.

After melt-kneading the polylactic acid resin (b) having a weight average molecular weight of 100,000 to 270,000 and the compatibilizing agent (e), the polyamide resin (a) is added and melt-kneaded, whereby the kneaded electrons A thermoplastic resin composition for a long object fixing jig, characterized in that the resin phase separation structure observed with a microscope is the polyamide resin (a) as a continuous phase and the polylactic acid resin (b) as a dispersed phase. Production method.

The compatibilizer (e) is at least one selected from the group consisting of a bisphenol-glycidyl ether type epoxy compound, a carbodiimide compound, and an ethylene / glycidyl (meth) acrylate-g- (meth) acrylate copolymer. The manufacturing method of the thermoplastic resin composition for long object fixing jigs of Claim 11 .

Of the long object securing jig thermoplastic resin composition according to claim 1 to claim 11 elongate article fixture thermoplastic resin composition wherein the thermoplastic resin composition according to any one of 10 Production method.