JP5733904B2 - 生分解性樹脂成型体の分解促進剤及びその使用 - Google Patents
生分解性樹脂成型体の分解促進剤及びその使用 Download PDFInfo
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- JP5733904B2 JP5733904B2 JP2010082451A JP2010082451A JP5733904B2 JP 5733904 B2 JP5733904 B2 JP 5733904B2 JP 2010082451 A JP2010082451 A JP 2010082451A JP 2010082451 A JP2010082451 A JP 2010082451A JP 5733904 B2 JP5733904 B2 JP 5733904B2
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- decomposition
- resin molded
- biodegradable resin
- agent
- biodegradable
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- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 2
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- UNJPQTDTZAKTFK-UHFFFAOYSA-K cerium(iii) hydroxide Chemical compound [OH-].[OH-].[OH-].[Ce+3] UNJPQTDTZAKTFK-UHFFFAOYSA-K 0.000 description 1
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- AMFIJXSMYBKJQV-UHFFFAOYSA-L cobalt(2+);octadecanoate Chemical compound [Co+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O AMFIJXSMYBKJQV-UHFFFAOYSA-L 0.000 description 1
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- AXLHVTKGDPVANO-UHFFFAOYSA-N methyl 2-amino-3-[(2-methylpropan-2-yl)oxycarbonylamino]propanoate Chemical compound COC(=O)C(N)CNC(=O)OC(C)(C)C AXLHVTKGDPVANO-UHFFFAOYSA-N 0.000 description 1
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- HYXGAEYDKFCVMU-UHFFFAOYSA-N scandium oxide Chemical compound O=[Sc]O[Sc]=O HYXGAEYDKFCVMU-UHFFFAOYSA-N 0.000 description 1
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- RYYKJJJTJZKILX-UHFFFAOYSA-M sodium octadecanoate Chemical class [Na+].CCCCCCCCCCCCCCCCCC([O-])=O RYYKJJJTJZKILX-UHFFFAOYSA-M 0.000 description 1
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- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
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- GBECUEIQVRDUKB-UHFFFAOYSA-M thallium monochloride Chemical compound [Tl]Cl GBECUEIQVRDUKB-UHFFFAOYSA-M 0.000 description 1
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- 229910052726 zirconium Inorganic materials 0.000 description 1
Images
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Description
項1. 塩化物塩を有効成分とすることを特徴とする、酸化分解剤を含む生分解性樹脂成型体の分解促進剤。
項2. 塩化物塩が、塩化カリウム及び/又は塩化ナトリウムである、項1に記載の分解促進剤。
項3. 生分解性樹脂成型体を形成する樹脂が、ポリオレフィンである、項1又は2に記載の分解促進剤。
項4. 酸化分解剤が、カルボン酸金属塩、ヒドロキシカルボン酸、遷移金属化合物、希土類化合物、及び芳香族ケトンよりなる群から選択される少なくとも1種である、項1乃至3のいずれかに記載の分解促進剤。
項5. 樹脂成型体に配合して使用されるものであって、酸化分解剤及び塩化物塩を有効成分とすることを特徴とする、樹脂成型体の分解剤。
項6. 酸化分解剤を含む生分解性樹脂成型体と、項1乃至4のいずれかに記載の分解促進剤を含有することを特徴とする、生分解性製品。
項7. 項5に記載の分解剤を含有することを特徴とする、生分解促進型樹脂成型体。
項8. 酸化分解剤を含む生分解性樹脂成型体と、項1乃至4のいずれかに記載の分解促進剤を共存させることによって当該生分解性樹脂成型体を分解処理することを特徴とする、生分解性樹脂成型体の分解方法。
項9. 塩化物塩の、酸化分解剤を含む生分解性樹脂成型体の分解促進剤の製造のための使用。
項10. 酸化分解剤及び塩化物塩の、樹脂成型体の分解剤の製造のための使用。
項11. 酸化分解剤を含む生分解性樹脂成型体の分解を促進する方法であって、当該生分解性樹脂成型体を塩化物塩の存在下で処理する工程を含む、分解促進方法。
項12. 酸化分解剤を含む生分解性樹脂成型体を分解する方法であって、当該生分解性樹脂成型体を塩化物塩の存在下で処理する工程を含む、分解方法。
項13. 酸化分解剤及び塩化物塩を含む生分解促進型樹脂成型体の分解方法であって、当該生分解促進型樹脂成型体を屋外環境に放置する工程を含む、分解方法。
本発明の分解促進剤は、酸化分解剤を含む生分解性樹脂成型体の分解を促進するために使用されるものであって、塩化物塩を有効成分とすることを特徴とする。
酸化分解剤は、当該技術分野で公知である(例えば、米国特許第3,840,512号、第3,994,855号、第4,101,720号、第4,156,666号、第4,256,851号、第4,360,60号、第4,461,853号、4,476,255号、第4,517,318号、第4,931,488号、第4,983,645号、第5,096,939号、第5,308,906号、第5,565,503号、第5,854,304号;WO88/09354号、WO92/11298号、WO94/13735号、WO00/59996号等)。本発明の分解促進剤が適用される樹脂成型体に含まれる酸化分解剤については、特に制限されないが、例えば、カルボン酸金属塩、ヒドロキシカルボン酸;遷移金属化合物(米国特許第5,308,906号)、希土類化合物、芳香族ケトン等が例示される。また、酸化分解剤として、カルボン酸金属塩とヒドロキシカルボン酸の組合せ(米国特許第5,854,304号)、カルボン酸金属塩と充填剤の組合せ(米国特許第5,565,503号)等を使用してもよい。本発明では、これらの酸化分解剤を1種単独で使用してもよく、又は2種以上組み合わせて使用してもよい。
本発明の分解剤は、樹脂成型体に配合して使用されるものであって、酸化分解剤及び塩化物塩を有効成分とすることを特徴とする、樹脂成型体の分解剤である。このように酸化分解剤と塩化物塩を併用して、樹脂成型体中に配合しておくことにより、当該樹脂成型体の分解を促進して、迅速に樹脂成型体を微生物に利用可能な程度まで低分子化することが可能になる。
本発明の生分解性製品は、上記分解促進剤と、酸化分解剤を含む生分解性樹脂成型体とを含有することを特徴とする。即ち、本発明の生分解性製品は、上記分解促進剤が、酸化分解剤を含む生分解性樹脂成型体と組み合わされて含まれており、使用後にそのまま埋め立てや山野に廃棄処理することにより、環境汚染を生じさせることなく、当該樹生分解性脂成型体が迅速に分解される。
本発明の生分解促進型樹脂成型体は、樹脂成型体中に塩化物塩及び酸化分解剤を含有することを特徴とする。即ち、本発明の生分解促進型樹脂成型体は、上記「2.分解剤」に記載の分解剤が配合されている樹脂成型体である。
本発明の分解方法は、酸化分解剤を含む生分解性樹脂成型体と、上記分解促進剤を共存させて、当該生分解性樹脂成型体を分解処理することを特徴とする。即ち、本発明の分解方法は、上記分解促進剤を用いた、酸化分解剤を含む生分解性樹脂成型体の分解方法である。
1.機能性組成物(発熱性組成物)の調製
塩化カリウム1質量%、平均粒径50μmの鉄粉55質量%、平均粒径200μmの活性炭13質量%、水26質量%、粒径100μmのヒル石3質量%、及び粒径380μmのアクリル酸重合体部分ナトリウム塩架橋物2質量%を混合することにより発熱性組成物を調製した。
ポリエチレン98質量%及び酸化分解剤含有物2質量%を含む樹脂シートを円盤状の工具網の円周上に刃を設けた回転刃を並べたロールに通し、JIS P 8117-1998「紙及び板紙-透気度試験方法-ガーレー試験機法」に従って測定された値が13.5〜14.5秒/100ccとなる程度の細孔が形成された通気性生分解性樹脂フィルム(厚み40μm)を調製した。また、別途、ポリプロピレン99.75質量%及び酸化分解剤含有物0.25質量%を含む合成繊維を用いて、スパンボンド法にて生分解性不織布(目付け25g/m2)を調製した。
上記で調製した積層体に上記で調製した発熱性組成物を3方シールにて封入した。具体的には、上記で調製した積層体を2枚に折り、その外側から約7mmの部分を130℃で熱圧着して接着させた。また、上下開いている1端を同様に外側から約7mmの部分を130℃で熱圧着して接着させた。次いで、接着されていない1辺の内袋部分から、上記で調製した発熱性組成物20gを入れた後、接着されていない1辺を外側から約7mmの部分で130℃で熱圧着して接着することにより、発熱性組成物を内袋に収容し、生分解性製品(使い捨てカイロ)を調製した。次いで、調製された生分解性製品を素早く、ポリ塩化ビニリデンコートフィルムからなる外袋(空気非透過性且つ遮光性)に入れて、外袋を密封した。以下の試験例では、試験開始時に、外袋から使い捨てカイロを取り出して使用した。
塩化カリウム1質量%の代わりに塩化ナトリウム1質量%を使用すること以外は、上記実施例1と同じ条件で、使い捨てカイロを調製した。
実施例1及び2の使い捨てカイロを外袋から取り出し、発熱が終了するまで、室温で24時間放置した。その後、発熱が終了した使い捨てカイロを50℃の恒温槽に入れて、12日間保存した。
塩化カリウム2.2質量%、平均粒径200μmの活性炭28.9質量%、水57.8質量%、粒径100μmのヒル石6.7質量%、及び粒径380μmのアクリル酸重合体部分ナトリウム塩架橋物4.4質量%を混合することにより非発熱性組成物(機能性組成物)を調製した。得られた非発熱性組成物20gを、上記実施例1で使用した内袋(生分解性樹脂成型体)に収容することにより、非発熱性組成物収容製品(実施例3)を調製した。
実施例3及び4の非発熱性組成物収容製品を50℃の恒温槽内で3日間保存し、保存1日後と保存3日後に、上記試験例1と同じ方法で、内袋の分解促進率を測定した。
塩化カリウム2.2質量%の代わりに、リン酸二水素カリウム2.2質量%(比較例1)、硫酸マグネシウム2.2質量%(比較例2)、硫酸マンガン2.2質量%(比較例3)、硫酸カリウム2.2質量%(比較例4)、又は硫酸ナトリウム2.2質量%(比較例5)を使用すること以外は、上記実施例3と同じ条件で、非発熱性組成物収容製品を調製した。
以上の結果から、塩化物塩には、酸化分解剤を含む生分解性樹脂成型体の分解を促進させる作用があり、酸化分解剤を含む生分解性樹脂成型体の分解促進剤として使用できることが明らかとなった。更に、塩化物塩と酸化分解剤の組合せは、樹脂成型体に対して分解特性を付与するための分解剤としても有効であることが確認された。
Claims (8)
- アルカリ金属の塩化物塩及びアルカリ土類金属の塩化物塩からなる群より選ばれる少なくとも1種の塩化物塩を有効成分とすることを特徴とする、酸化分解剤を含む生分解性樹脂成型体の分解促進剤。
- 塩化物塩が、塩化カリウム及び/又は塩化ナトリウムである、請求項1に記載の分解促進剤。
- 生分解性樹脂成型体を形成する樹脂が、ポリオレフィンである、請求項1又は2に記載の分解促進剤。
- 酸化分解剤が、カルボン酸金属塩、ヒドロキシカルボン酸、遷移金属化合物、希土類化合物、及び芳香族ケトンよりなる群から選択される少なくとも1種である、請求項1乃至3のいずれかに記載の分解促進剤。
- 樹脂成型体に配合して使用されるものであって、酸化分解剤、並びにアルカリ金属の塩化物塩及びアルカリ土類金属の塩化物塩からなる群より選ばれる少なくとも1種の塩化物塩を有効成分とすることを特徴とする、樹脂成型体の分解剤。
- 酸化分解剤を含む生分解性樹脂成型体と、請求項1乃至4のいずれかに記載の分解促進剤を含有することを特徴とする、生分解性製品。
- 請求項5に記載の分解剤を含有することを特徴とする、生分解促進型樹脂成型体。
- 酸化分解剤を含む生分解性樹脂成型体と、請求項1乃至4のいずれかに記載の分解促進剤を共存させることによって当該生分解性樹脂成型体を分解処理することを特徴とする、生分解性樹脂成型体の分解方法。
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JP2010082451A JP5733904B2 (ja) | 2010-03-31 | 2010-03-31 | 生分解性樹脂成型体の分解促進剤及びその使用 |
KR1020127028663A KR20130087370A (ko) | 2010-03-31 | 2011-03-25 | 생분해성 수지 성형체의 분해 촉진제 및 그 사용 |
GB1216692.2A GB2491527B (en) | 2010-03-31 | 2011-03-25 | Degradation promoter of biodegradable resin molded body, and use thereof |
PCT/JP2011/057381 WO2011125548A1 (ja) | 2010-03-31 | 2011-03-25 | 生分解性樹脂成型体の分解促進剤及びその使用 |
CN201180016796.4A CN102822283B (zh) | 2010-03-31 | 2011-03-25 | 生物可降解树脂成型体的降解促进剂及其用途 |
US13/634,424 US9056968B2 (en) | 2010-03-31 | 2011-03-25 | Degradation promoter of biodegradable resin molded body, and use thereof |
HK13102876.0A HK1175798A1 (zh) | 2010-03-31 | 2013-03-07 | 生物可降解樹脂成型體的降解促進劑及其用途 |
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CN103304958A (zh) * | 2013-05-14 | 2013-09-18 | 泉州特米斯高环保科技有限公司 | 一种可降解树脂的生产方法 |
US20160185920A1 (en) * | 2013-08-08 | 2016-06-30 | Aspen Research Corporation | Methods and systems for promoting and controlling degradation of polymers |
KR101365615B1 (ko) * | 2013-09-06 | 2014-02-26 | 유재균 | 초기 기계적 강도가 우수한 산화생분해성 필름용 수지 조성물 및 이의 제조방법과 이로부터 제조되는 산화생분해성 필름 |
CN106032422A (zh) * | 2015-03-13 | 2016-10-19 | 香港纺织及成衣研发中心有限公司 | 一种可降解合成纤维组合物及其制备方法和制品 |
US11674018B2 (en) | 2015-06-30 | 2023-06-13 | BiologiQ, Inc. | Polymer and carbohydrate-based polymeric material blends with particular particle size characteristics |
US10995201B2 (en) | 2015-06-30 | 2021-05-04 | BiologiQ, Inc. | Articles formed with biodegradable materials and strength characteristics of the same |
US11111363B2 (en) | 2015-06-30 | 2021-09-07 | BiologiQ, Inc. | Articles formed with renewable and/or sustainable green plastic material and carbohydrate-based polymeric materials lending increased strength and/or biodegradability |
US10920044B2 (en) | 2015-06-30 | 2021-02-16 | BiologiQ, Inc. | Carbohydrate-based plastic materials with reduced odor |
US10752759B2 (en) | 2015-06-30 | 2020-08-25 | BiologiQ, Inc. | Methods for forming blended films including renewable carbohydrate-based polymeric materials with high blow up ratios and/or narrow die gaps for increased strength |
US11111355B2 (en) | 2015-06-30 | 2021-09-07 | BiologiQ, Inc. | Addition of biodegradability lending additives to plastic materials |
US11926929B2 (en) | 2015-06-30 | 2024-03-12 | Biologiq, Inc | Melt blown nonwoven materials and fibers including starch-based polymeric materials |
US10919203B2 (en) | 2015-06-30 | 2021-02-16 | BiologiQ, Inc. | Articles formed with biodegradable materials and biodegradability characteristics thereof |
US11879058B2 (en) | 2015-06-30 | 2024-01-23 | Biologiq, Inc | Yarn materials and fibers including starch-based polymeric materials |
US11359088B2 (en) | 2015-06-30 | 2022-06-14 | BiologiQ, Inc. | Polymeric articles comprising blends of PBAT, PLA and a carbohydrate-based polymeric material |
US20170002185A1 (en) * | 2015-06-30 | 2017-01-05 | BiologiQ, Inc. | Articles Formed with Biodegradable Materials |
US11926940B2 (en) | 2015-06-30 | 2024-03-12 | BiologiQ, Inc. | Spunbond nonwoven materials and fibers including starch-based polymeric materials |
US11149144B2 (en) | 2015-06-30 | 2021-10-19 | BiologiQ, Inc. | Marine biodegradable plastics comprising a blend of polyester and a carbohydrate-based polymeric material |
US11046840B2 (en) | 2015-06-30 | 2021-06-29 | BiologiQ, Inc. | Methods for lending biodegradability to non-biodegradable plastic materials |
US11674014B2 (en) | 2015-06-30 | 2023-06-13 | BiologiQ, Inc. | Blending of small particle starch powder with synthetic polymers for increased strength and other properties |
WO2020175276A1 (ja) * | 2019-02-25 | 2020-09-03 | モアディバイス株式会社 | 生分解性鮮度保持フィルム及び生分解性鮮度保持容器 |
US20220386720A1 (en) * | 2021-06-03 | 2022-12-08 | Shen Wei (Usa) Inc. | Eco-friendly wearable dipped article and method of manufacturing |
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US5216043A (en) * | 1991-12-12 | 1993-06-01 | Minnesota Mining And Manufacturing Company | Degradable thermophastic compositions and blends with naturally biodegradable polymers |
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WO2011125548A1 (ja) | 2011-10-13 |
JP2011213836A (ja) | 2011-10-27 |
GB2491527A (en) | 2012-12-05 |
CN102822283B (zh) | 2016-02-24 |
CN102822283A (zh) | 2012-12-12 |
KR20130087370A (ko) | 2013-08-06 |
US9056968B2 (en) | 2015-06-16 |
US20130018125A1 (en) | 2013-01-17 |
HK1175798A1 (zh) | 2013-07-12 |
GB201216692D0 (en) | 2012-10-31 |
GB2491527B (en) | 2016-06-15 |
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