JP6239588B2 - 環境にやさしい高強度樹脂複合材 - Google Patents
環境にやさしい高強度樹脂複合材 Download PDFInfo
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- 239000000805 composite resin Substances 0.000 title claims description 51
- 229920005989 resin Polymers 0.000 claims description 82
- 239000011347 resin Substances 0.000 claims description 82
- 239000000463 material Substances 0.000 claims description 81
- 229920000747 poly(lactic acid) Polymers 0.000 claims description 37
- 239000004626 polylactic acid Substances 0.000 claims description 37
- 239000005014 poly(hydroxyalkanoate) Substances 0.000 claims description 35
- 229920000903 polyhydroxyalkanoate Polymers 0.000 claims description 35
- 239000010410 layer Substances 0.000 claims description 32
- 239000012779 reinforcing material Substances 0.000 claims description 30
- 239000000835 fiber Substances 0.000 claims description 26
- 229920006167 biodegradable resin Polymers 0.000 claims description 19
- 239000012744 reinforcing agent Substances 0.000 claims description 18
- 229920000554 ionomer Polymers 0.000 claims description 16
- 239000000758 substrate Substances 0.000 claims description 16
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 13
- 239000004917 carbon fiber Substances 0.000 claims description 13
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- 239000004711 α-olefin Substances 0.000 claims description 8
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 claims description 6
- 229920006231 aramid fiber Polymers 0.000 claims description 6
- 229920001577 copolymer Polymers 0.000 claims description 6
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 claims description 6
- 150000007934 α,β-unsaturated carboxylic acids Chemical class 0.000 claims description 6
- 229920000642 polymer Polymers 0.000 claims description 5
- 125000000217 alkyl group Chemical group 0.000 claims description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 4
- 239000004745 nonwoven fabric Substances 0.000 claims description 4
- 239000004793 Polystyrene Substances 0.000 claims description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 3
- 239000000178 monomer Substances 0.000 claims description 3
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- 230000002787 reinforcement Effects 0.000 claims description 3
- 239000002356 single layer Substances 0.000 claims description 3
- 239000002759 woven fabric Substances 0.000 claims description 3
- 150000001735 carboxylic acids Chemical class 0.000 claims 2
- 229910021645 metal ion Inorganic materials 0.000 claims 2
- 125000000542 sulfonic acid group Chemical group 0.000 claims 2
- 230000000052 comparative effect Effects 0.000 description 10
- 230000000704 physical effect Effects 0.000 description 10
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 8
- 239000011151 fibre-reinforced plastic Substances 0.000 description 8
- 229920005992 thermoplastic resin Polymers 0.000 description 7
- -1 polypropylene Polymers 0.000 description 5
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- 229920001155 polypropylene Polymers 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- HPMGFDVTYHWBAG-UHFFFAOYSA-N 3-hydroxyhexanoic acid Chemical compound CCCC(O)CC(O)=O HPMGFDVTYHWBAG-UHFFFAOYSA-N 0.000 description 2
- REKYPYSUBKSCAT-UHFFFAOYSA-N 3-hydroxypentanoic acid Chemical compound CCC(O)CC(O)=O REKYPYSUBKSCAT-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
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- WHBMMWSBFZVSSR-UHFFFAOYSA-M 3-hydroxybutyrate Chemical compound CC(O)CC([O-])=O WHBMMWSBFZVSSR-UHFFFAOYSA-M 0.000 description 1
- POMQYTSPMKEQNB-UHFFFAOYSA-N 3-hydroxyoctadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)CC(O)=O POMQYTSPMKEQNB-UHFFFAOYSA-N 0.000 description 1
- NDPLAKGOSZHTPH-UHFFFAOYSA-N 3-hydroxyoctanoic acid Chemical compound CCCCCC(O)CC(O)=O NDPLAKGOSZHTPH-UHFFFAOYSA-N 0.000 description 1
- 229920002799 BoPET Polymers 0.000 description 1
- 229920003946 DuPont™ Surlyn® 1706 Polymers 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- WHBMMWSBFZVSSR-UHFFFAOYSA-N R3HBA Natural products CC(O)CC(O)=O WHBMMWSBFZVSSR-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 125000003010 ionic group Chemical group 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920006113 non-polar polymer Polymers 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003457 sulfones Chemical class 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
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- C—CHEMISTRY; METALLURGY
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- C—CHEMISTRY; METALLURGY
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- 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
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- 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
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- 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
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- 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
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- Chemical Kinetics & Catalysis (AREA)
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Description
(1)実施例1
10cm×10cm×0.5mmの大きさのフィルム上に炭素繊維(フィルム重量の25%)を配列した後、プレスによって樹脂複合材試片を製造した。このとき、フィルムはPLA樹脂100重量部にPHA樹脂が25重量部ブレンドされているものを用いた。
10cm×10cm×0.5mmの大きさのフィルム上に炭素繊維(フィルム重量の25%)を配列した後、再度同じフィルムを載せ、プレスにより樹脂複合材試片を製造した。このとき、2枚のフィルムはPLA樹脂100重量部にPHA樹脂が25重量部ブレンドされているものを用いた。
2枚のフィルムのそれぞれにPLA樹脂100重量部に対してサーリン1706(アイオノマー,デュポン製造)10重量部がさらに含まれていることを除いては、実施例2と同様の樹脂複合材試片を製造した。
炭素繊維の使用量をフィルム重量の100%にしたことを除いては、実施例2と同様の方法で樹脂複合材試片を準備した。
2枚のフィルム素材としてPETフィルム(LG化学製造)を用いたことを除いては、実施例2と同様の方法で樹脂複合材試片を準備した。
PLA樹脂100重量部とPHA樹脂25重量部がブレンドされた溶融樹脂に炭素繊維30重量部を撹拌して押出した後、実施例1と同じ大きさで炭素繊維がPLA樹脂に含浸された形態の樹脂複合材試片を準備した。
炭素繊維をPLA樹脂100重量部に対して100重量部使用したことを除いては、比較例2と同様の方法で樹脂複合材試片を準備した。
実施例1ないし4及び比較例1ないし3にかかる試片に対して、引張強度および屈曲強度を測定した。
引張強度(Kgf/cm2)は、ASTM D638によって測定した。
屈曲強度(Kgf/cm2)は、ASTM D790によって測定した。
実施例1ないし4及び比較例1ないし3にかかる試片に対する物性の評価結果を表1に示した。
Claims (7)
- 基材;および
前記基材の一面または両面に形成され、繊維強化剤からなる補強材層;を含み、
前記基材は、PLA(Poly Lactic Acid)樹脂とPHA(polyhydroxyalkanoate)樹脂を含む生分解性樹脂で形成され、
前記生分解性樹脂は、アイオノマーをさらに含み、
前記アイオノマーは、
α−オレフィンとα,β−不飽和カルボン酸との共重合体、
ポリスチレンにスルホン酸基が導入されている重合体、
α−オレフィンと、α,β−不飽和カルボン酸と、α−オレフィン及びα,β−不飽和カルボン酸のそれぞれと共重合可能な単量体との共重合体、または
これらの混合物を1価ないし4価の金属イオンで中和した重合体であり、
前記アイオノマーは、前記PLA樹脂と前記PHA樹脂の合算100重量部に対して、20重量部以下で含まれており、
前記生分解性樹脂は、前記PLA樹脂100重量部に対して、前記PHA樹脂が25重量部〜50重量部混合されていることを特徴とする環境にやさしい高強度樹脂複合材。 - 前記基材は、
フィルム、織物(Woven Fabric)、不織布(Nonwoven Fabric)およびペルト(pelt)のうちの1種の単層形態か、或いは2種以上が積層された形態であることを特徴とする請求項1に記載の環境にやさしい高強度樹脂複合材。 - 前記繊維強化剤は、
炭素繊維、ガラス繊維、アラミド繊維(Aramid Fiber)およびUHMWPE(Ultra High Molecular Weight Polyethylene)のうちの1種以上を含むことを特徴とする請求項1に記載の環境にやさしい高強度樹脂複合材。 - 第1基材;
前記第1基材上に形成され、繊維強化剤からなる補強材層;および
前記補強材層上に形成される第2基材;を含み、
前記第1基材と前記第2基材のうちの一つ以上は、PLA樹脂とPHA樹脂を含む生分解性樹脂で形成され、
前記生分解性樹脂は、アイオノマーをさらに含み、
前記アイオノマーは、
α−オレフィンとα,β−不飽和カルボン酸との共重合体、
ポリスチレンにスルホン酸基が導入されている重合体、
α−オレフィンと、α,β−不飽和カルボン酸と、α−オレフィン及びα,β−不飽和カルボン酸のそれぞれと共重合可能な単量体との共重合体、または
これらの混合物を1価ないし4価の金属イオンで中和した重合体であり、
前記アイオノマーは、前記PLA樹脂と前記PHA樹脂の合算100重量部に対して、20重量部以下で含まれており、
前記生分解性樹脂は、前記PLA樹脂100重量部に対して、前記PHA樹脂が25重量部〜50重量部混合されていることを特徴とする環境にやさしい高強度樹脂複合材。 - 前記第1基材および前記第2基材は、
フィルム、織物、不織布およびペルトのうちの1種の単層形態か、或いは2種以上が積層された形態であることを特徴とする請求項5に記載の環境にやさしい高強度樹脂複合材。 - 前記繊維強化剤は、
炭素繊維、ガラス繊維、アラミド繊維およびUHMWPEのうちの1種以上を含むことを特徴とする請求項5に記載の環境にやさしい高強度樹脂複合材。
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PCT/KR2012/011765 WO2013154256A1 (ko) | 2012-04-09 | 2012-12-28 | 친환경 고강도 수지 복합재 |
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US11441251B2 (en) | 2016-08-16 | 2022-09-13 | Fitesa Germany Gmbh | Nonwoven fabrics comprising polylactic acid having improved strength and toughness |
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CN112300553A (zh) * | 2020-11-17 | 2021-02-02 | 扬州万盛实业有限公司 | 一种轻质高强隔热复合材料板材及其制备方法 |
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EP0753539B1 (en) * | 1995-07-13 | 2001-10-10 | Mitsubishi Gas Chemical Company, Inc. | Aliphatic polyester polymer blends based on poly(lactic acid), methods for manufacturing the same, and methods for molding the same |
JP3720916B2 (ja) * | 1996-06-19 | 2005-11-30 | 大日本印刷株式会社 | 生分解性を有する積層体 |
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US6808795B2 (en) * | 2001-03-27 | 2004-10-26 | The Procter & Gamble Company | Polyhydroxyalkanoate copolymer and polylactic acid polymer compositions for laminates and films |
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