JP5279415B2 - 樹脂組成物およびそれを用いた成形体 - Google Patents
樹脂組成物およびそれを用いた成形体 Download PDFInfo
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- JP5279415B2 JP5279415B2 JP2008222972A JP2008222972A JP5279415B2 JP 5279415 B2 JP5279415 B2 JP 5279415B2 JP 2008222972 A JP2008222972 A JP 2008222972A JP 2008222972 A JP2008222972 A JP 2008222972A JP 5279415 B2 JP5279415 B2 JP 5279415B2
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- polyamide
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- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- WBHHMMIMDMUBKC-XLNAKTSKSA-N ricinelaidic acid Chemical compound CCCCCC[C@@H](O)C\C=C\CCCCCCCC(O)=O WBHHMMIMDMUBKC-XLNAKTSKSA-N 0.000 description 1
- 229960003656 ricinoleic acid Drugs 0.000 description 1
- FEUQNCSVHBHROZ-UHFFFAOYSA-N ricinoleic acid Natural products CCCCCCC(O[Si](C)(C)C)CC=CCCCCCCCC(=O)OC FEUQNCSVHBHROZ-UHFFFAOYSA-N 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 229910052979 sodium sulfide Inorganic materials 0.000 description 1
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical compound O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Landscapes
- Wrappers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Farming Of Fish And Shellfish (AREA)
- Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
Description
(1)熱可塑性樹脂(A)35〜75質量%と、繊維断面の長径/短径が1.5〜10であるガラス繊維(B)25〜65質量%とを含有し、熱可塑性樹脂(A)の一部または全部がポリアミド11樹脂(A1a)または/およびポリアミド1010樹脂(A1b)ならびにポリ乳酸樹脂(A2)であり、熱可塑性樹脂(A)とガラス繊維(B)との合計100質量部に対してポリアミド11樹脂(A1a)または/およびポリアミド1010樹脂(A1b)を10質量部以上含有し、
熱可塑性樹脂(A)とガラス繊維(B)との合計100質量部に対してポリ乳酸樹脂(A2)を5〜40質量部含有することを特徴とする樹脂組成物。
本発明の樹脂組成物は、熱可塑性樹脂(A)30〜95質量%と、ガラス繊維(B)5〜70質量%とを含有する樹脂組成物であり、熱可塑性樹脂(A)の一部または全部がポリアミド11樹脂(A1a)または/およびポリアミド1010樹脂(A1b)であることが必要である。
[熱可塑性樹脂(A)]
・ポリアミド11樹脂(A1a): アルケマ社製 リルサンBMN O
・ポリアミド1010樹脂(A1b): セバシン酸(豊国製油社製)100質量部を熱メタノールに撹拌しながら溶かした。またデカメチレンジアミン(小倉合成工業社製)85質量部をメタノールに溶かし、これを先のセバシン酸メタノール溶液にゆっくり加えた。これをすべて加えた後、15分間程度撹拌し、析出物をろ過し、かつメタノール洗浄することにより、デカメチレンジアンモニウムセバケートを得た。
・ポリ乳酸樹脂(A2): ユニチカ社製 テラマックTE−4000
・架橋ポリ乳酸樹脂(A2′): 二軸押出機(東芝機械社製TEM37BS型)を用い、ポリ乳酸樹脂(A2)100質量部を押出機の根元供給口から供給し、バレル温度180℃、スクリュー回転数280rpm、吐出量15kg/hの条件で、ベントを効かせながら押出しを実施した。さらに、エチレングリコールジメタクリレート0.10質量部、および、過酸化物であるパーブチルD(日本油脂社製)0.2質量部をシリンダ内に供給した。押出機先端から吐出された樹脂をペレット状にカッティングして樹脂組成物のペレットを得た。得られたペレットを70℃×24時間真空乾燥して、架橋ポリ乳酸樹脂(A2′)を得た。
・扁平断面ガラス繊維(B1): 日東紡績社製 CSG3PA820S(長径28μm、短径7μm、長短径の比が4.0の、偏平断面を有する偏平ガラス繊維)
・円形断面ガラス繊維(B2): 日東紡績社製 CS3J−451 (直径10μm、長さ3mmの円形断面を有するガラス繊維)
・層状珪酸塩(C): ホージュン社製 エスベンW(層間イオンがジメチルジオクタルデシルアンモニウムイオンで置換されたモンモリロナイト)
・ケナフ繊維(D1): 5mm程度の一定長に切断したケナフをターボミル(マツボー社製 T−250)にて粉砕し、ほぐして、直径20〜50μm、繊維長1〜5mmとした。
(A)曲げ弾性率: ASTM D790に準拠して測定した。曲げ弾性率は2.0GPa以上であることが好ましい。
反り点の反り量c,d: 反りが大きい2点での反り量
反り量計算式: 反り量(mm)=(c+d)/2−(a+b)/2
二軸押出機(池貝社製 PCM30型)を用い、熱可塑性樹脂(A)、層状珪酸塩(C)、植物由来充填材(D)を表1、2に示した割合でドライブレンドして押出機の根元供給口から供給し、さらにガラス繊維(B)を押出機のサイド供給口から表1、2に示した割合で供給して、バレル温度240℃、スクリュー回転数230rpm、吐出量5kg/hの条件で、ベントを効かせながら押出しを実施した。押出機先端から吐出された樹脂をペレット状にカッティングして、樹脂組成物のペレットを得た。
表2に示すように、熱可塑性樹脂(A)としてのポリアミド11樹脂ペレットのみを使用し、東芝機械社製 IS−80G型射出成形機を用いて、金型表面温度を85℃に調整しながら、一般物性測定用試験片(ASTM型)を作製し、各種測定に供した。別途、上述のひけ測定用のプレートを同様に成形し、冷却後にひけの深さを測定した。
Claims (6)
- 熱可塑性樹脂(A)35〜75質量%と、繊維断面の長径/短径が1.5〜10であるガラス繊維(B)25〜65質量%とを含有し、熱可塑性樹脂(A)の一部または全部がポリアミド11樹脂(A1a)または/およびポリアミド1010樹脂(A1b)ならびにポリ乳酸樹脂(A2)であり、
熱可塑性樹脂(A)とガラス繊維(B)との合計100質量部に対してポリアミド11樹脂(A1a)または/およびポリアミド1010樹脂(A1b)を10質量部以上含有し、
熱可塑性樹脂(A)とガラス繊維(B)との合計100質量部に対してポリ乳酸樹脂(A2)を5〜40質量部含有することを特徴とする樹脂組成物。 - ポリ乳酸樹脂(A2)が、過酸化物および/または(メタ)アクリル酸エステル化合物によって架橋されていることを特徴とする請求項1記載の樹脂組成物。
- 熱可塑性樹脂(A)とガラス繊維(B)との合計100質量部に対して、層状珪酸塩(C)を0.1〜45質量部含有することを特徴とする請求項1または2記載の樹脂組成物。
- 熱可塑性樹脂(A)とガラス繊維(B)との合計100質量部に対して、植物由来充填材(D)を5〜200質量部含有することを特徴とする請求項1から3までのいずれか1項記載の樹脂組成物。
- 植物由来充填材(D)が、ジュート繊維、ケナフ繊維、竹繊維、麻繊維、バガス繊維から選ばれる1種以上であることを特徴とする請求項4記載の樹脂組成物。
- 請求項1から5までのいずれか1項に記載の樹脂組成物を成形したものであることを特徴とする成形体。
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| WO2011142305A1 (ja) | 2010-05-10 | 2011-11-17 | 日東紡績株式会社 | 扁平ガラス繊維強化樹脂発泡成形方法 |
| JP5984103B2 (ja) * | 2011-07-28 | 2016-09-06 | 国立大学法人 宮崎大学 | 緑化用基盤材及び緑化基盤の製造方法 |
| JP6447177B2 (ja) * | 2014-02-03 | 2019-01-09 | 東レ株式会社 | 熱可塑性樹脂組成物 |
| FR3019181B1 (fr) * | 2014-03-31 | 2020-06-19 | Arkema France | Compositions de polyamide et de peba pour l'injection de pieces rigides resistant a la fatigue |
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