JP2010513604A - ギ酸メチル系発泡剤を用いて得られた、生分解性および低排出性の膨張および押出発泡体 - Google Patents
ギ酸メチル系発泡剤を用いて得られた、生分解性および低排出性の膨張および押出発泡体 Download PDFInfo
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- C08J9/149—Mixtures of blowing agents covered by more than one of the groups C08J9/141 - C08J9/143
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- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
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- C08J2303/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
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- C08J2329/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
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- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones
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- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
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Abstract
Description
Claims (25)
- 生分解性ポリマー、およびギ酸メチルを含有する発泡剤を含む膨張性ポリマー配合物を調製する工程と
前記配合物を膨張させ生分解性ポリマー発泡構造体を形成する工程とを含む、
生分解性ポリマー発泡構造体の製造方法。 - 前記ポリマー発泡構造体はポリマー発泡板である、請求項1記載の方法。
- 前記ポリマー発泡構造体はポリマー発泡シートである、請求項1記載の方法。
- 前記膨張性ポリマー配合物を調製する工程は、膨張工程の前に、前記配合物から膨張性ビーズを形成する工程をさらに含む、請求項1記載の製造方法。
- 前記膨張性ポリマー配合物を調製する工程は、下記(a)、(b)および(c):
(a) (i)生分解性ポリマーを溶融し、
(ii)前記生分解性ポリマー中に有効量の発泡剤を混合して混合物とし、
(iii)前記混合物を低温領域に押出し、膨張性ビーズを形成する工程、
(b) 生分解性ポリマー中に有効量の発泡剤を溶解する工程、
(c) 発泡剤の存在下で前記生分解性ポリマーを合成する工程、
からなる群より選ばれる工程をさらに含む、請求項4記載の製造方法。 - 前記膨張性ポリマー配合物を調製する工程は、
生分解性ポリマーを溶融し、かつ
有効量の発泡剤を生分解性ポリマーに溶解し配合物とすることを含む、
請求項1記載の製造方法。 - 前記発泡剤は、約1wt%〜約99wt%のギ酸メチルと、さらに少なくとも1つの共発泡剤を含むブレンドである、請求項1記載の製造方法。
- 前記の少なくとも1つの共発泡剤は、炭化水素、ハロゲン化炭化水素、エステル、エーテル、アセタール、アルカノール、カーボネート、アミン、ケトン、無機薬剤、および化学発泡剤からなる群より選択される、請求項7記載の製造方法。
- 前記の少なくとも1つの共発泡剤は、エタン、プロパン、n−ブタン、イソブタン、イソペンタン、1,1−ジフルオロエタン(HFC−152a)、1,1,1,2−テトラフルオロエタン(HFC−134a)、トランス−1,2−ジクロロエチレン、1,1,1,3,3−ペンタフルオロプロパン(HFC−245fa)、ジメチルエーテル、二酸化炭素、およびこれらの任意の組み合わせからなる群より選択される、請求項8記載の製造方法。
- 前記発泡剤ブレンドは、ギ酸メチルと1,1,1,2−テトラフルオロエタン(HFC−134a)を含む、請求項7記載の製造方法。
- 前記生分解性ポリマーは、ポリ乳酸(PLA)、ポリ(グリコール酸)(PGA)、ポリ(ラクチド−コ−グリコライド)(PLGA)、ポリ(カプロラクトン)(PCL)、ポリ(エチレングリコール)(PEG)、ポリ(ヒドロキシアルカノエート)(PHA)、ハイブラン(Hybrane)、バイオマックス(Biomax)、エコフレックス(Ecoflex)、アセチル化セルロース、スターチ、スターチ誘導体、PLAとエコフレックス(Ecoflex)のコポリマー(エコバイオ)(Ecovio)、またはこれらの組み合わせである、請求項1記載の製造方法。
- 前記溶解工程の前に、少なくとも1つの非生分解性熱可塑性ポリマーを生分解性ポリマーと混合する工程をさらに含む、請求項6記載の製造方法。
- 前記溶解工程の前に、少なくとも1つの相溶化剤を生分解性熱可塑性ポリマーおよび非生分解性ポリマーに添加する工程をさらに含む、請求項12記載の製造方法。
- 前記非生分解性熱可塑性ポリマーは、アルケニル芳香族ポリマー、アクリルポリマー、ポリオレフィン、またはこれらの混合物である、請求項12記載の製造方法。
- 前記ポリマー発泡構造体は約1〜15 lb/ft3(約0.016〜0.240g/cm3)の密度を有する、請求項1記載の製造方法。
- 前記膨張性ポリマー配合物は約1wt%〜約20wt%の発泡剤を含む、請求項1記載の製造方法。
- 前記膨張性ポリマー配合物は約3wt%〜約9wt%の発泡剤を含む、請求項1記載の製造方法。
- 前記生分解性ポリマー発泡構造体は実質的に独立気泡構造である、請求項1記載の製造方法。
- 生分解性ポリマー、およびギ酸メチルを含有する発泡剤を含む膨張性ポリマー配合物を調製する工程と、
前記配合物を膨張させ生分解性ポリマー発泡構造体を形成する工程とを含む方法で製造される生分解性ポリマー発泡構造体。 - 前記ポリマー発泡構造体はポリマー発泡板である、請求項19記載のポリマー発泡構造体。
- 前記ポリマー発泡構造体はポリマー発泡シートである、請求項19記載のポリマー発泡構造体。
- 前記膨張性ポリマー配合物を調製する工程は、膨張工程の前に、前記配合物から膨張性ビーズを形成することをさらに含む、請求項19記載のポリマー発泡構造体。
- 前記発泡剤は、約1wt%〜約99wt%のギ酸メチルと、さらに少なくとも1つの共発泡剤を含むブレンドである、請求項19記載のポリマー発泡構造体。
- 前記の少なくとも1つの共発泡剤は、炭化水素、ハロゲン化炭化水素、エステル、エーテル、アセタール、アルカノール、カーボネート、アミン、ケトン、無機薬剤、および化学発泡剤からなる群より選択される、請求項23記載のポリマー発泡構造体。
- 請求項19記載の生分解性発泡構造体、および前記発泡体上に設けられた被覆フィルムを含み、前記被覆フィルムは、非生分解性熱可塑性ポリマー、生分解性ポリマー、またはこれらの組み合わせを含む、複合ポリマー発泡構造体。
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US86993206P | 2006-12-14 | 2006-12-14 | |
PCT/US2007/087231 WO2008076755A1 (en) | 2006-12-14 | 2007-12-12 | Expanded and extruded biodegradable and reduced emission foams made with methyl formate-based blowing agents |
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EP (1) | EP2089460B1 (ja) |
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AT (1) | ATE523552T1 (ja) |
CA (1) | CA2672476C (ja) |
ES (1) | ES2372988T3 (ja) |
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US11441004B2 (en) | 2015-09-28 | 2022-09-13 | Henkel Ag & Co. Kgaa | Thermally expandable compositions comprising polysaccharide |
US11505669B2 (en) | 2015-09-28 | 2022-11-22 | Henkel Ag & Co. Kgaa | Thermally expandable compositions comprising urea derivatives |
JP2022507140A (ja) * | 2018-11-13 | 2022-01-18 | ヌーリオン ケミカルズ インターナショナル ベスローテン フェノーツハップ | 熱膨張性セルロース系ミクロスフェア |
JP7227370B2 (ja) | 2018-11-13 | 2023-02-21 | ヌーリオン ケミカルズ インターナショナル ベスローテン フェノーツハップ | 熱膨張性セルロース系ミクロスフェア |
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US7872056B2 (en) | 2011-01-18 |
PL2089460T3 (pl) | 2012-02-29 |
MX2009006045A (es) | 2009-06-17 |
EP2089460A1 (en) | 2009-08-19 |
CA2672476A1 (en) | 2008-06-26 |
CA2672476C (en) | 2013-10-22 |
US7846987B2 (en) | 2010-12-07 |
EP2089460B1 (en) | 2011-09-07 |
JP2014088562A (ja) | 2014-05-15 |
WO2008076755A1 (en) | 2008-06-26 |
ES2372988T3 (es) | 2012-01-30 |
ATE523552T1 (de) | 2011-09-15 |
US20080146686A1 (en) | 2008-06-19 |
US20090123728A1 (en) | 2009-05-14 |
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