JP6008860B2 - ジアンヒドロヘキシトールのアルキルエステルによる脂肪族ポリエステルの可塑化 - Google Patents
ジアンヒドロヘキシトールのアルキルエステルによる脂肪族ポリエステルの可塑化 Download PDFInfo
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- JP6008860B2 JP6008860B2 JP2013532256A JP2013532256A JP6008860B2 JP 6008860 B2 JP6008860 B2 JP 6008860B2 JP 2013532256 A JP2013532256 A JP 2013532256A JP 2013532256 A JP2013532256 A JP 2013532256A JP 6008860 B2 JP6008860 B2 JP 6008860B2
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- dianhydrohexitol
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- JVTAAEKCZFNVCJ-UHFFFAOYSA-M Lactate Chemical compound CC(O)C([O-])=O JVTAAEKCZFNVCJ-UHFFFAOYSA-M 0.000 description 1
- 239000005639 Lauric acid Substances 0.000 description 1
- 229930195725 Mannitol Natural products 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 235000021314 Palmitic acid Nutrition 0.000 description 1
- 229920000562 Poly(ethylene adipate) Polymers 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 241001080024 Telles Species 0.000 description 1
- BAECOWNUKCLBPZ-HIUWNOOHSA-N Triolein Natural products O([C@H](OCC(=O)CCCCCCC/C=C\CCCCCCCC)COC(=O)CCCCCCC/C=C\CCCCCCCC)C(=O)CCCCCCC/C=C\CCCCCCCC BAECOWNUKCLBPZ-HIUWNOOHSA-N 0.000 description 1
- PHYFQTYBJUILEZ-UHFFFAOYSA-N Trioleoylglycerol Natural products CCCCCCCCC=CCCCCCCCC(=O)OCC(OC(=O)CCCCCCCC=CCCCCCCCC)COC(=O)CCCCCCCC=CCCCCCCCC PHYFQTYBJUILEZ-UHFFFAOYSA-N 0.000 description 1
- 229920002522 Wood fibre Polymers 0.000 description 1
- 206010052428 Wound Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- TVXBFESIOXBWNM-UHFFFAOYSA-N Xylitol Natural products OCCC(O)C(O)C(O)CCO TVXBFESIOXBWNM-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- WNLRTRBMVRJNCN-UHFFFAOYSA-L adipate(2-) Chemical compound [O-]C(=O)CCCCC([O-])=O WNLRTRBMVRJNCN-UHFFFAOYSA-L 0.000 description 1
- JFCQEDHGNNZCLN-UHFFFAOYSA-N anhydrous glutaric acid Natural products OC(=O)CCCC(O)=O JFCQEDHGNNZCLN-UHFFFAOYSA-N 0.000 description 1
- ARCGXLSVLAOJQL-UHFFFAOYSA-N anhydrous trimellitic acid Natural products OC(=O)C1=CC=C(C(O)=O)C(C(O)=O)=C1 ARCGXLSVLAOJQL-UHFFFAOYSA-N 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- GONOPSZTUGRENK-UHFFFAOYSA-N benzyl(trichloro)silane Chemical compound Cl[Si](Cl)(Cl)CC1=CC=CC=C1 GONOPSZTUGRENK-UHFFFAOYSA-N 0.000 description 1
- GSCLMSFRWBPUSK-UHFFFAOYSA-N beta-Butyrolactone Chemical compound CC1CC(=O)O1 GSCLMSFRWBPUSK-UHFFFAOYSA-N 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- CDQSJQSWAWPGKG-UHFFFAOYSA-N butane-1,1-diol Chemical compound CCCC(O)O CDQSJQSWAWPGKG-UHFFFAOYSA-N 0.000 description 1
- BMRWNKZVCUKKSR-UHFFFAOYSA-N butane-1,2-diol Chemical compound CCC(O)CO BMRWNKZVCUKKSR-UHFFFAOYSA-N 0.000 description 1
- OWBTYPJTUOEWEK-UHFFFAOYSA-N butane-2,3-diol Chemical compound CC(O)C(C)O OWBTYPJTUOEWEK-UHFFFAOYSA-N 0.000 description 1
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
- 238000007707 calorimetry Methods 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 235000014633 carbohydrates Nutrition 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000003240 coconut oil Substances 0.000 description 1
- 235000019864 coconut oil Nutrition 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 239000006184 cosolvent Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 125000000753 cycloalkyl group Chemical group 0.000 description 1
- 229940022769 d- lactic acid Drugs 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000000502 dialysis Methods 0.000 description 1
- HBGGXOJOCNVPFY-UHFFFAOYSA-N diisononyl phthalate Chemical compound CC(C)CCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCC(C)C HBGGXOJOCNVPFY-UHFFFAOYSA-N 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 229920005845 ecovio® Polymers 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000003480 eluent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920001038 ethylene copolymer Polymers 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000007765 extrusion coating Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 125000004356 hydroxy functional group Chemical group O* 0.000 description 1
- 239000004790 ingeo Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- YAQXGBBDJYBXKL-UHFFFAOYSA-N iron(2+);1,10-phenanthroline;dicyanide Chemical compound [Fe+2].N#[C-].N#[C-].C1=CN=C2C3=NC=CC=C3C=CC2=C1.C1=CN=C2C3=NC=CC=C3C=CC2=C1 YAQXGBBDJYBXKL-UHFFFAOYSA-N 0.000 description 1
- RGXCTRIQQODGIZ-UHFFFAOYSA-O isodesmosine Chemical compound OC(=O)C(N)CCCC[N+]1=CC(CCC(N)C(O)=O)=CC(CCC(N)C(O)=O)=C1CCCC(N)C(O)=O RGXCTRIQQODGIZ-UHFFFAOYSA-O 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000000944 linseed oil Substances 0.000 description 1
- 235000021388 linseed oil Nutrition 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000594 mannitol Substances 0.000 description 1
- 235000010355 mannitol Nutrition 0.000 description 1
- 238000005297 material degradation process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- HEBKCHPVOIAQTA-UHFFFAOYSA-N meso ribitol Natural products OCC(O)C(O)C(O)CO HEBKCHPVOIAQTA-UHFFFAOYSA-N 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000004200 microcrystalline wax Substances 0.000 description 1
- 235000019808 microcrystalline wax Nutrition 0.000 description 1
- 239000006082 mold release agent Substances 0.000 description 1
- 239000002667 nucleating agent Substances 0.000 description 1
- 229960002446 octanoic acid Drugs 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- WCVRQHFDJLLWFE-UHFFFAOYSA-N pentane-1,2-diol Chemical compound CCCC(O)CO WCVRQHFDJLLWFE-UHFFFAOYSA-N 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 125000005498 phthalate group Chemical class 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000013502 plastic waste Substances 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920001896 polybutyrate Polymers 0.000 description 1
- 229920002959 polymer blend Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920000166 polytrimethylene carbonate Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- LKUNXBRZDFMZOK-UHFFFAOYSA-N rac-1-monodecanoylglycerol Chemical compound CCCCCCCCCC(=O)OCC(O)CO LKUNXBRZDFMZOK-UHFFFAOYSA-N 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 238000007151 ring opening polymerisation reaction Methods 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000001542 size-exclusion chromatography Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 239000003549 soybean oil Substances 0.000 description 1
- 235000012424 soybean oil Nutrition 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000001384 succinic acid Substances 0.000 description 1
- 235000000346 sugar Nutrition 0.000 description 1
- 150000008163 sugars Chemical class 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- TUNFSRHWOTWDNC-HKGQFRNVSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCC[14C](O)=O TUNFSRHWOTWDNC-HKGQFRNVSA-N 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
- MAYCICSNZYXLHB-UHFFFAOYSA-N tricaproin Chemical compound CCCCCC(=O)OCC(OC(=O)CCCCC)COC(=O)CCCCC MAYCICSNZYXLHB-UHFFFAOYSA-N 0.000 description 1
- PHYFQTYBJUILEZ-IUPFWZBJSA-N triolein Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCC(OC(=O)CCCCCCC\C=C/CCCCCCCC)COC(=O)CCCCCCC\C=C/CCCCCCCC PHYFQTYBJUILEZ-IUPFWZBJSA-N 0.000 description 1
- 229940005605 valeric acid Drugs 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000002025 wood fiber Substances 0.000 description 1
- 239000000811 xylitol Substances 0.000 description 1
- 235000010447 xylitol Nutrition 0.000 description 1
- 229960002675 xylitol Drugs 0.000 description 1
- PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical compound O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
- C08K5/11—Esters; Ether-esters of acyclic polycarboxylic acids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
- B29C48/405—Intermeshing co-rotating screws
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
- C08K5/12—Esters; Ether-esters of cyclic polycarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/15—Heterocyclic compounds having oxygen in the ring
- C08K5/151—Heterocyclic compounds having oxygen in the ring having one oxygen atom in the ring
- C08K5/1535—Five-membered rings
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Polyesters Or Polycarbonates (AREA)
Description
例として、消費者の不満によって、Frito Lay(登録商標)は、2010年、米国市場で販売していた、PLA製の材料で包装されたポテトチップの袋を回収しなければならなかった。というのは、ポテトチップの消費者が袋を開けたり、取り扱ったりしたとき、騒音が大きすぎたからである。
同様の問題は、PLA製の物品を製造する工場でも、特に、これらの物品を押出によって得る場合に、みとめることができた。
・ポリエステル単独と比較して、高い柔軟性、
・ポリエステル単独と比較して、高い引張破壊ひずみ、
・微臭、
・及び/又は可塑剤とのポリエステルとの優れた相溶性、これによって、製造時の可塑剤とポリエステルの良好なブレンドが可能になり、しかも、使用中のポリマーからの可塑剤の滲出を低くする、さらには滲出が存在しないようにすることができる。
−少なくとも70モル%の飽和脂肪族単位を含む少なくとも1つの脂肪族又は半脂肪族ポリエステルであって、これらの単位は、
式:HO−CxH2x−COOHの飽和ヒドロキシアルカン酸、
式:HOOC−CxH2x−COOHの飽和ジカルボン酸、及び
式:HO−CxH2x−OHの飽和ジオール
(式中、x=1〜20、好ましくは1〜6である)
から選択されるモノマーの重縮合によって得ることができ、
残りの部分の単位が、芳香族単位から形成される、脂肪族又は半脂肪族ポリエステルと;
−イソソルビド、イソマンニド及びイソイジドのモノアルキルエステル並びにジアルキルエステルから選択される少なくとも1つの1,4:3,6−ジアンヒドロヘキシトールアルキルエステルと
を含む組成物である。
a)モノマーの重縮合によって得ることができる単位を含むポリマーであって、これらのモノマーは、少なくとも2つの異なる飽和ヒドロキシアルカン酸、2つの異なる飽和ジオール及び/若しくは2つの異なる飽和ジカルボン酸を含む、ポリマー;
b)並びに/又は前述したモノマーの重縮合によって得ることができるものからの異なる単位を含むポリマー
であってもよい。
R−OH + HO(O)C−R’ ⇒ R−O(O)C−R’+ H2O
・40〜99重量%、有利には45〜89重量%、好ましくは50〜88重量%の脂肪族又は半脂肪族ポリエステル;
・1〜30重量%、有利には11〜25重量%、好ましくは12〜20重量%の1,4:3,6−ジアンヒドロヘキシトールエステル;
・0〜30重量%の付加的ポリマー;
・0〜30重量%の別の可塑性樹脂及び/又は熱可塑性樹脂の製造において常用の添加剤
を含む。
・10℃/分で−120℃から220℃への第1加熱;
・10℃/分で220℃から−120℃への冷却;
・10℃/分で−120℃から220℃への第2加熱。
・第1計量装置を用いて、同方向回転二軸スクリュー押出機に1,4:3,6−ジアンヒドロヘキシトールエステルを導入するステップ;
・押出機に沿ってさらに配置された第2計量装置を用いて、ポリエステルを導入するステップ;
・押出機のブレンディングゾーンで組成物の成分をブレンドするステップ;
・こうして形成された組成物を回収するステップ
を含む。
用いる製品
用いるポリマー
−PLA1:ポリ(乳酸)、グレード6302D(NatureWorks)、Mw=170,000g/モル
−PCL:ポリカプロラクトン、Capa(登録商標)650(Solvay)
−PBAT:ポリ(アジピン酸ブチレンテレフタレート)、Ecoflex FBX 7011(BASF)
−PBS:ポリ(コハク酸ブチレン)、EnPol GA4560J(IRe Chemical)
−PET:ポリ(テレフタル酸エチレン)、Lighter C93(Equipolymers)
−PBT:ポリ(テレフタル酸ブチレン)、Valox325F(Sabic)
−PS:結晶質ポリスチレン、PS500(Sabic)
−IDE(本発明で用いる可塑剤):イソソルビドジアルキルエステル(C7アルキル基)
−DINP:フタル酸ジイソノニル(Sigma−Aldrich)
−Jayflex Dina Z:アジピン酸ジイソノニル(Exxon−Mobil)
−Diplast TM ST:トリメリット酸エステル(Polynt)
上記組成物を調製するために、円筒ローターを備える容量120cm3のRheomix600(Haake)ニーダーを用いた。初期温度50℃、ローターの回転速度80回転/分で、ポリマーと可塑剤を導入する。このブレンドは、80重量%のポリマーと20重量%の可塑剤を含む。温度を5分かけて生成物の処理温度(PT)まで徐々に上昇させた後、この温度で、ブレンドをPTで10分間均質化する。
・10℃/分で−120から220℃への第1加熱;
・10℃/分で220から−120℃への冷却;
・10℃/分で−120から220℃への第2加熱。
用いる製品
−用いるポリマー
−PLA2:ポリ(乳酸)、グレード3051D(NatureWorks)、Mw=95,000g/モル
−IDE(本発明で用いる可塑剤):イソソルビドジ(C7)エステル;
−PEG400:分子量400g/モルのポリエチレングリコール(Sigma−Aldrich);
−トリアセチン(Sigma−Aldrich)。
これら組成物の調製には、TSA EMP26−40同方向回転二軸スクリュー押出機(TSA Industriale Srl)を使用し、直径3cmのダイを用いて押出を実施する。
−温度プロフィール:170℃(8つの加熱ゾーン)
−ダイヘッド温度:170℃
−計量ポンプにより可塑剤を入口ゾーンに導入後、サイドフィーダーによりポリマーをゾーン3に導入
−スクリュー回転速度:200回転/分
−流量:5kg/時。
−バレルの温度:160/160/160
−スクリューの回転速度=280回転/分
−サイクル時間:1〜2分
−型の温度:5〜20℃
−保持圧力=100kpsi/cm2
−曲げ弾性率が、純粋なPLAに対して、12.5〜14%のIDEで半分に減少している;
−延伸能力、すなわち破断点伸びが、20%(すなわち非常に脆いプラスチック)から非常に高いレベル(400〜600%)へと変化している;
−引張強度が約2〜3倍減少している。
−トリアセチンの可塑化能力は、生成物の脆性(低い破断点伸び)が保持されていることから、IDEのそれより著しく劣っている;
−PEG400の可塑化能力は、IDEの能力の大きさと同等及びほぼ同程度である。
−トリアセチンの調製段階から、生成物の押出中の有意な滲出;
−純粋PEG400のガラス転移温度(−77℃でのTg)に相当するDSCシグナル、分離PEG相の兆候、すなわちPLAとのPEGの相溶性の欠如。
用いる製品
−ポリエステルのブレンド:PBAT(55重量%)とPLA(45重量%)からなるEcovio(登録商標)(BASF);
−IDE(本発明で用いる可塑剤):イソソルビドジ(C7)エステル。
・14%のIDEの含有で、可塑剤を含まないブレンドに比べ、4倍曲げ弾性率が減少する。
・IDEの添加により、破断点伸びが有意に増加する。
製品
−PLA3:ポリ(乳酸)、グレード2002D(NatureWorks)、Mw=200,000g/モル
−IDE(本発明で用いる可塑剤)
上で得られたフィルムを一様に手でくしゃくしゃに揉み、B&K商標(2232型)の騒音計を用いて、揉んだときに発生する騒音を測定する。その際、測定プローブと揉むフィルムとの間の距離は10cm、すなわちフィルムに極めて接近した距離である。
Claims (16)
- −ポリ(乳酸)(PLA)、ポリカプロラクトン(PCL)、ポリ(コハク酸ブチレン)(PBS)およびポリ(アジピン酸ブチレン−コ−テレフタレート)(PBAT)からなる群から選択される少なくとも1つのポリエステルと;
−イソソルビド、イソマンニド及びイソイジドのモノアルキルエステル及びジアルキルエステルから選択される少なくとも1つの1,4:3,6−ジアンヒドロヘキシトールアルキルエステルと
を含み、
前記1,4:3,6−ジアンヒドロヘキシトールアルキルエステルの量が、前記ポリエステルの総重量に対して、1〜30重量%の範囲内であることを特徴とする、組成物(ただし、PLAとイソソルビドジエステルとの組み合わせ、並びにPLA、PCLおよびイソソルビドジエステルとの組み合わせは除く)。 - 前記1,4:3,6−ジアンヒドロヘキシトールエステルのアルキル基が、C3−15アルキル基であることを特徴とする、請求項1に記載の組成物。
- 前記1,4:3,6−ジアンヒドロヘキシトールエステルのアルキル基が、直鎖状又は分枝鎖状であることを特徴とする、請求項1又は2に記載の組成物。
- 前記1,4:3,6−ジアンヒドロヘキシトールアルキルエステルの量が、前記ポリエステルの総重量に対して、10〜25重量%の範囲内であることを特徴とする、請求項1〜3のいずれか一項に記載の組成物。
- 前記1,4:3,6−ジアンヒドロヘキシトールアルキルエステルが、1,4:3,6−ジアンヒドロヘキシトールジアルキルエステルであることを特徴とする、請求項1〜4のいずれか一項に記載の組成物。
- 前記1,4:3,6−ジアンヒドロヘキシトールアルキルエステルが、イソソルビドアルキルエステルであることを特徴とする、請求項1〜5のいずれか一項に記載の組成物。
- 前記ポリエステルが、少なくとも80モル%の飽和脂肪族単位を含むことを特徴とする、請求項1〜6のいずれか一項に記載の組成物。
- 前記ポリエステルが、100%の飽和脂肪族単位から構成されることを特徴とする、請求項1〜7のいずれか一項に記載の組成物。
- 前記脂肪族ポリエステルが、ポリ(C2−7ヒドロキシアルカン酸)であることを特徴とする、請求項8に記載の組成物。
- 前記脂肪族ポリエステルが、90〜99.9モル%のD−乳酸単位と0.1〜10%のL−乳酸単位を含む半結晶質ポリ(乳酸)であることを特徴とする、請求項9に記載の組成物。
- 押出機を用いて、前記ポリエステルと前記1,4:3,6−ジアンヒドロヘキシトールアルキルエステルを押出によりブレンドするステップを含むことを特徴とする、請求項1〜10のいずれか一項に記載の組成物の製造方法。
- ブレンディング中に用いる押出機のダイヘッドの温度が、80〜200℃の範囲内であることを特徴とする、請求項11に記載の製造方法。
- 請求項1〜10のいずれか一項に記載の組成物を含む、押出、成形、射出成型、紡糸又は吹込成形品。
- 糸、顆粒、シート又は3次元の物品であることを特徴とする、請求項13に記載の物品。
- 包装材、容器、織布及び不織布、乳児用おむつ、女性用衛生用品、若しくは接着剤又は医療分野で使用する製品の製造における、請求項1〜10のいずれか一項に記載の組成物の使用。
- ポリ(乳酸)(PLA)、ポリカプロラクトン(PCL)、ポリ(コハク酸ブチレン)(PBS)およびポリ(アジピン酸ブチレン−コ−テレフタレート)(PBAT)からなる群から選択される少なくとも1つのポリエステルの可塑化における、イソソルビド、イソマンニド及びイソイジドモノアルキルエステルから選択される1,4:3,6−ジアンヒドロヘキシトールアルキルエステルの使用(ただし、PLAとイソソルビドジエステルとの組み合わせ、並びにPLA、PCLおよびイソソルビドジエステルとの組み合わせは除く)。
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FR1058202 | 2010-10-08 | ||
PCT/FR2011/052353 WO2012045988A1 (fr) | 2010-10-08 | 2011-10-07 | Plastification de polyesters aliphatiques par des esters alkyliques de dianhydrohexitols |
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JP2014043540A (ja) * | 2012-08-03 | 2014-03-13 | Unitika Ltd | ポリ乳酸系樹脂組成物及びそれからなる成形体 |
FR3024735B1 (fr) * | 2014-08-07 | 2016-08-26 | Roquette Freres | Composition plastifiante liquide |
FR3027906B1 (fr) * | 2014-10-29 | 2017-01-06 | Roquette Freres | Procede de fabrication d'un polyester contenant au moins un motif 1,4 : 3,6-dianhydrohexitol a coloration amelioree |
EP3237541B1 (en) | 2014-12-22 | 2024-07-10 | 3M Innovative Properties Company | Compositions and films comprising polylactic acid polymer, polyvinyl acetate polymer and plasticizer |
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