JP3779290B2 - 漆および植物繊維を用いた成形用材料、前記成形用材料を用いて得られる漆/植物繊維成形体 - Google Patents
漆および植物繊維を用いた成形用材料、前記成形用材料を用いて得られる漆/植物繊維成形体 Download PDFInfo
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- JP3779290B2 JP3779290B2 JP2003322418A JP2003322418A JP3779290B2 JP 3779290 B2 JP3779290 B2 JP 3779290B2 JP 2003322418 A JP2003322418 A JP 2003322418A JP 2003322418 A JP2003322418 A JP 2003322418A JP 3779290 B2 JP3779290 B2 JP 3779290B2
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- QARRXYBJLBIVAK-UEMSJJPVSA-N 3-[(8e,11e)-pentadeca-8,11-dienyl]benzene-1,2-diol;3-[(8e,11e)-pentadeca-8,11,14-trienyl]benzene-1,2-diol;3-[(8e,11e,13e)-pentadeca-8,11,13-trienyl]benzene-1,2-diol;3-[(e)-pentadec-8-enyl]benzene-1,2-diol;3-pentadecylbenzene-1,2-diol Chemical compound CCCCCCCCCCCCCCCC1=CC=CC(O)=C1O.CCCCCC\C=C\CCCCCCCC1=CC=CC(O)=C1O.CCC\C=C\C\C=C\CCCCCCCC1=CC=CC(O)=C1O.C\C=C\C=C\C\C=C\CCCCCCCC1=CC=CC(O)=C1O.OC1=CC=CC(CCCCCCC\C=C\C\C=C\CC=C)=C1O QARRXYBJLBIVAK-UEMSJJPVSA-N 0.000 claims description 20
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Images
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- Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
漆/植物繊維の重量比がこの範囲以下だと、圧縮成形して得られた成形体の強度が低く、耐水性の点で問題が生じ、この範囲以上では植物繊維へ含浸した漆以外の漆量が多くなり、それらが植物繊維どうしを凝集させ大きな固まりを作って成形材料として使えないものが多くできてしまい収率が悪くなる。
(木質繊維)
本実施例においては植物繊維の素材としてスギの平均粒度100メッシュのものを用いた(市販品および摩砕機で微粒子化したもの:以下木質繊維)。
(漆液)
前記木質繊維と混合して漆/木質繊維コンパウンドを得るための漆液としてはウルシオール63.9%、ゴム質9.7%、全窒素物0.7%および水分25.7%の組成を有する中国産生漆を用いた。
(漆/木質繊維混合比)
(1)0.5:9.5; (2)1:9; (3)2:8; (4)3:7;
(5)4:6; (6)5:5; (7)6:4((1)は発明範囲外)。
本発明の漆/木質繊維コンパウンドはその製造過程でウルシオールの熱重合による硬化がある程度進行しているため、たとえば大気中で保存しても経時変化が少なく安定しており、また漆かぶれを大幅に低減できるものと考えられるが、これを下記テストにより実証した。
このようにして得られた本発明の漆/木質繊維コンパウンドを金型により圧縮成形した。この実験では直径100mm円形平板作成用金型により成形した。前記コンパウンドを常温の金型に所定量入れ、成形温度140℃、成形圧力25MPaで25分間の圧縮成形を行なって成形品を金型から取出した。成形中、加熱温度を段階的に上昇させ各段階毎に型内のガス抜きを行ないながら成形したが、成形は極めて円滑に行なわれ、水分等の蒸発に起因するボイドのほとんどない緻密な成形体が得られた。さらに金型から取り出した成形体は熱風乾燥炉で120℃、120分加熱して完全硬化させた。このようにして得られた成形品の試験結果を表1および表2に示す。この成形体の曲げ強度は漆や木質繊維の種類、木質繊維の製造方法、木質繊維粒度等を選択することによりJIS規格における食器用樹脂材料の曲げ強度値をほゞ満足するものであった。
Claims (5)
- 漆と植物繊維とを 1:9〜6:4の重量比で配合して混練し、攪拌しながら90〜180℃の温度で30〜120分加熱してウルシオールを部分的に熱重合させ、次いで生成物を粉砕して常温で乾燥状態にある圧縮成形可能な粉末とすることにより得られる成形用材料。
- 前記植物繊維が10〜120メッシュの粒度の粉末である請求項1記載の成形用材料。
- 漆と植物繊維とを 1:9〜6:4の重量比で配合して混練し、攪拌しながら90〜180℃の温度で30〜120分加熱してウルシオールを部分的に熱重合させ、次いで生成物を粉砕して常温で乾燥状態にある圧縮成形可能な粉末とし、前記粉末を所定の形状の成形金型内で120〜180℃の温度および15〜40MPa圧力により圧縮成形して得られる漆/植物繊維の圧縮成形体。
- 前記圧縮成形体の表面に漆を塗工した請求項3記載の漆/植物繊維の圧縮成形体。
- 前記圧縮成形体をさらに加熱してウルシオールを完全硬化させた請求項3又は4記載の漆/植物繊維の圧縮成形体。
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JP2003322418A JP3779290B2 (ja) | 2003-09-16 | 2003-09-16 | 漆および植物繊維を用いた成形用材料、前記成形用材料を用いて得られる漆/植物繊維成形体 |
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JP2003322418A JP3779290B2 (ja) | 2003-09-16 | 2003-09-16 | 漆および植物繊維を用いた成形用材料、前記成形用材料を用いて得られる漆/植物繊維成形体 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013031969A1 (ja) | 2011-08-31 | 2013-03-07 | 地方独立行政法人 東京都立産業技術研究センター | 成形用材料及びその製造方法並びに該成形用材料を用いた圧縮成形体 |
WO2013031971A1 (ja) | 2011-08-31 | 2013-03-07 | 地方独立行政法人 東京都立産業技術研究センター | 成形用材料と、これを用いた成形体 |
WO2013031970A1 (ja) | 2011-08-31 | 2013-03-07 | 地方独立行政法人 東京都立産業技術研究センター | 成形体の製造方法 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100662862B1 (ko) | 2005-07-12 | 2006-12-28 | 한국내쇼날주식회사 | 옻액을 함유하는 합성수지 혼합 사출물의 제조방법 및 상기방법에 의해 제조된 합성수지 혼합 사출물 |
JP2007146001A (ja) * | 2005-11-28 | 2007-06-14 | Sowa Textile Kk | 漆と高強力繊維の複合体 |
JP2007307312A (ja) * | 2006-05-22 | 2007-11-29 | Okinawa Pref Gov | 漆器製品素材およびその製造法 |
TW201019874A (en) * | 2008-11-20 | 2010-06-01 | Kun-Hong Chen | Manufacturing and forming method of vegetable fiber environmentally-friendly dining utensil |
-
2003
- 2003-09-16 JP JP2003322418A patent/JP3779290B2/ja not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013031969A1 (ja) | 2011-08-31 | 2013-03-07 | 地方独立行政法人 東京都立産業技術研究センター | 成形用材料及びその製造方法並びに該成形用材料を用いた圧縮成形体 |
WO2013031971A1 (ja) | 2011-08-31 | 2013-03-07 | 地方独立行政法人 東京都立産業技術研究センター | 成形用材料と、これを用いた成形体 |
WO2013031970A1 (ja) | 2011-08-31 | 2013-03-07 | 地方独立行政法人 東京都立産業技術研究センター | 成形体の製造方法 |
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