JP5562644B2 - 半透明および不透明なポリ乳酸用耐衝撃性改良剤 - Google Patents
半透明および不透明なポリ乳酸用耐衝撃性改良剤 Download PDFInfo
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- 239000004609 Impact Modifier Substances 0.000 title claims description 37
- 239000004626 polylactic acid Substances 0.000 title claims description 24
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- 239000004621 biodegradable polymer Substances 0.000 claims description 36
- 229920000642 polymer Polymers 0.000 claims description 20
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- KAKZBPTYRLMSJV-UHFFFAOYSA-N butadiene group Chemical group C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 claims description 14
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- 239000002253 acid Substances 0.000 claims description 6
- GOXQRTZXKQZDDN-UHFFFAOYSA-N 2-Ethylhexyl acrylate Chemical group CCCCC(CC)COC(=O)C=C GOXQRTZXKQZDDN-UHFFFAOYSA-N 0.000 claims description 5
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 claims description 5
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- LLVWLCAZSOLOTF-UHFFFAOYSA-N 1-methyl-4-[1,4,4-tris(4-methylphenyl)buta-1,3-dienyl]benzene Chemical compound C1=CC(C)=CC=C1C(C=1C=CC(C)=CC=1)=CC=C(C=1C=CC(C)=CC=1)C1=CC=C(C)C=C1 LLVWLCAZSOLOTF-UHFFFAOYSA-N 0.000 description 1
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 1
- 125000004200 2-methoxyethyl group Chemical group [H]C([H])([H])OC([H])([H])C([H])([H])* 0.000 description 1
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- 239000004925 Acrylic resin Substances 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
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- 239000004605 External Lubricant Substances 0.000 description 1
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- 238000010521 absorption reaction Methods 0.000 description 1
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- 230000008901 benefit Effects 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 229920000704 biodegradable plastic Polymers 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
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- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 229920006237 degradable polymer Polymers 0.000 description 1
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- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
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- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
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- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
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- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 1
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
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- 239000012785 packaging film Substances 0.000 description 1
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- 125000002958 pentadecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 125000000864 peroxy group Chemical group O(O*)* 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
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- FBCQUCJYYPMKRO-UHFFFAOYSA-N prop-2-enyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCC=C FBCQUCJYYPMKRO-UHFFFAOYSA-N 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
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- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
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- 229920001897 terpolymer Polymers 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
- C08L1/02—Cellulose; Modified cellulose
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L3/00—Compositions of starch, amylose or amylopectin or of their derivatives or degradation products
- C08L3/02—Starch; Degradation products thereof, e.g. dextrin
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Biological Depolymerization Polymers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Description
a)1種以上の生分解性ポリマーを30〜99.9重量パーセント、
b)1種以上の生体高分子を0〜69.9重量パーセント、および
c)1種以上の耐衝撃性改良剤を0.1〜15重量パーセント
を含む、生分解性組成物に関する。
MBSベースの改良剤1〜10重量%を含むポリ乳酸90〜99%とのブレンドを、二軸押出機を用いた溶融押出によって形成した。溶融物が確実に均質になるように、押出時の加工温度および溶融温度をポリ乳酸の融点を超える(>152℃)ように維持した。押出物を造粒して、射出成形のいずれかにより加工した。射出成形は、ノズル温度をポリ乳酸の融点を超える(>152℃)ようにし、金型温度をポリ乳酸のガラス転移温度未満(<50℃)に維持して実施した。1個取り金型を用いて厚さ41milの円盤を作製した。Colormeterを用いて円盤のヘイズ測定を実施し、ガードナー衝撃試験機を使用して半球状の頭部を有する8lbの衝撃子を用いてダート落下耐衝撃性測定を実施した。以下のデータを観測した。
アクリル系−メタクリル系共重合体耐衝撃性改良剤1〜10重量%を含むポリ乳酸90〜99%とのブレンドを、二軸押出機を用いた溶融押出によって形成した。溶融物が確実に均質になるように、押出時の加工温度および溶融温度をポリ乳酸の融点を超える(>152℃)ように維持した。押出物を造粒して、射出成形のいずれかにより加工した。射出成形は、ノズル温度をポリ乳酸の融点を超える(>152℃)ようにし、金型温度をポリ乳酸のガラス転移温度未満(<50℃)に維持して実施した。1個取り金型を用いて厚さ41milの円盤を作製した。Colormeterを用いて円盤のヘイズ測定を実施し、ガードナー衝撃試験機を使用して半球状の頭部を有する8lbの衝撃子を用いてダート落下耐衝撃性測定を実施した。以下のデータを観測した。
Claims (8)
- a)1種以上の生分解性ポリマーを30〜99.9重量パーセント、
b)1種以上の生体高分子を0〜69.9重量パーセント、および
c)1種以上の耐衝撃性改良剤を0.1〜15重量パーセント
の均質な混合物を含み、
前記生分解性ポリマーが、ポリ乳酸、ポリヒドロキシ酪酸、またはこれらの混合物であり、
前記生体高分子が、デンプン、セルロース、多糖、ポリアミド11、脂肪族または芳香族ポリエステル、およびポリカプロラクトンからなる群から選択される1種以上のポリマーを含み、
前記耐衝撃性改良剤が、ハードおよびソフトブロックを有するブロック共重合体であり、前記ブロック共重合体が制御ラジカル重合で形成されたアクリル系ブロック共重合体であり、
線状のアクリル共重合体を含まない生分解性ポリマー組成物。 - a)1種以上の生分解性ポリマーを30〜99.9重量パーセント、
b)1種以上の生体高分子を0〜69.9重量パーセント、および
c)1種以上の耐衝撃性改良剤を0.1〜15重量パーセント
の均質な混合物を含み、
前記生分解性ポリマーが、ポリ乳酸、ポリヒドロキシ酪酸、またはこれらの混合物であり、
前記生体高分子が、デンプン、セルロース、多糖、ポリアミド11、脂肪族または芳香族ポリエステル、およびポリカプロラクトンからなる群から選択される1種以上のポリマーを含み、
線状のアクリル共重合体を含まず、
前記耐衝撃性改良剤が、
(a)80〜100重量%がブタジエンであり0〜20%がスチレンであるコアを70〜85%と、
(b)メチルメタクリレートを75〜100重量%、ブチルアクリレートを0〜20重量パーセント、およびエチルアクリレートを0〜25重量パーセントから構成されるシェルと、
を有するメチルメタクリレート−ブタジエン−スチレン(MBS)コア/シェル型ポリマーである生分解性ポリマー組成物。 - 前記耐衝撃性改良剤が、少なくとも2種の異なる耐衝撃性改良剤を含む、請求項1に記載の生分解性ポリマー組成物。
- 前記ポリ乳酸の重量平均分子量が10000〜3000000g/molである、請求項1又は2に記載の生分解性ポリマー組成物。
- 前記組成物が半透明である、請求項1又は2に記載の生分解性ポリマー組成物。
- 前記組成物が不透明である、請求項1又は2に記載の生分解性ポリマー組成物。
- a)1種以上の生分解性ポリマーを30〜99.9重量パーセント、
b)1種以上の生体高分子を0〜69.9重量パーセント、および
c)1種以上の耐衝撃性改良剤を0.1〜15重量パーセント
の均質な混合物を含み、
前記生分解性ポリマーが、ポリ乳酸、ポリヒドロキシ酪酸、またはこれらの混合物であり、
前記生体高分子が、デンプン、セルロース、多糖、ポリアミド11、脂肪族または芳香族ポリエステル、およびポリカプロラクトンからなる群から選択される1種以上のポリマーを含み、
線状のアクリル共重合体を含まず、
前記耐衝撃性改良剤が、
(a)0〜75重量%がブチルアクリレートであり、10〜100重量%が2−エチルヘキシルアクリレートであり、かつ0〜35重量%がブタジエンであるコアを70〜85%と、
(b)メチルメタクリレートを75〜100重量%、ブチルアクリレートを0〜20重量パーセント、およびエチルアクリレートを0〜25重量パーセントから構成されるシェルと、
を有するアクリル系ブロック共重合体である生分解性ポリマー組成物。 - 請求項1、2又は7に記載の生分解性ポリマー組成物を含む成形品。
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US60/860,375 | 2006-11-21 | ||
PCT/US2007/084502 WO2008063988A2 (en) | 2006-11-21 | 2007-11-13 | Translucent and opaque impact modifiers for polylactic acid |
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JP2010510381A (ja) | 2010-04-02 |
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