JP6522789B2 - 生分解性ポリエステル組成物 - Google Patents
生分解性ポリエステル組成物 Download PDFInfo
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- JP6522789B2 JP6522789B2 JP2017559709A JP2017559709A JP6522789B2 JP 6522789 B2 JP6522789 B2 JP 6522789B2 JP 2017559709 A JP2017559709 A JP 2017559709A JP 2017559709 A JP2017559709 A JP 2017559709A JP 6522789 B2 JP6522789 B2 JP 6522789B2
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- 239000000203 mixture Substances 0.000 title claims description 66
- 229920000229 biodegradable polyester Polymers 0.000 title claims description 57
- 239000004622 biodegradable polyester Substances 0.000 title claims description 57
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 claims description 38
- 238000000034 method Methods 0.000 claims description 13
- 229920000728 polyester Polymers 0.000 claims description 13
- 229920000747 poly(lactic acid) Polymers 0.000 claims description 12
- 239000004626 polylactic acid Substances 0.000 claims description 12
- -1 polybutylene adipate terephthalate Polymers 0.000 claims description 10
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 9
- 239000011256 inorganic filler Substances 0.000 claims description 8
- 229910003475 inorganic filler Inorganic materials 0.000 claims description 8
- 239000012766 organic filler Substances 0.000 claims description 8
- 230000003068 static effect Effects 0.000 claims description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- 229920002472 Starch Polymers 0.000 claims description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 5
- 238000011088 calibration curve Methods 0.000 claims description 5
- 239000004014 plasticizer Substances 0.000 claims description 5
- 239000008107 starch Substances 0.000 claims description 5
- 235000019698 starch Nutrition 0.000 claims description 5
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000002216 antistatic agent Substances 0.000 claims description 4
- UQLDLKMNUJERMK-UHFFFAOYSA-L di(octadecanoyloxy)lead Chemical compound [Pb+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O UQLDLKMNUJERMK-UHFFFAOYSA-L 0.000 claims description 4
- 239000004597 plastic additive Substances 0.000 claims description 4
- 238000012360 testing method Methods 0.000 claims description 4
- 239000012963 UV stabilizer Substances 0.000 claims description 3
- 239000006096 absorbing agent Substances 0.000 claims description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical group O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 3
- 239000006082 mold release agent Substances 0.000 claims description 3
- 229920001896 polybutyrate Polymers 0.000 claims description 3
- 239000004094 surface-active agent Substances 0.000 claims description 3
- 239000005995 Aluminium silicate Substances 0.000 claims description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229920000881 Modified starch Polymers 0.000 claims description 2
- 239000004368 Modified starch Substances 0.000 claims description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 2
- 235000012211 aluminium silicate Nutrition 0.000 claims description 2
- 239000001110 calcium chloride Substances 0.000 claims description 2
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 2
- 239000006229 carbon black Substances 0.000 claims description 2
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 2
- 239000010459 dolomite Substances 0.000 claims description 2
- 229910000514 dolomite Inorganic materials 0.000 claims description 2
- 239000000835 fiber Substances 0.000 claims description 2
- 239000003365 glass fiber Substances 0.000 claims description 2
- 239000010439 graphite Substances 0.000 claims description 2
- 229910002804 graphite Inorganic materials 0.000 claims description 2
- 239000010440 gypsum Substances 0.000 claims description 2
- 229910052602 gypsum Inorganic materials 0.000 claims description 2
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 2
- 239000010445 mica Substances 0.000 claims description 2
- 229910052618 mica group Inorganic materials 0.000 claims description 2
- 239000002557 mineral fiber Substances 0.000 claims description 2
- 235000019426 modified starch Nutrition 0.000 claims description 2
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 2
- 239000004629 polybutylene adipate terephthalate Substances 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 239000004408 titanium dioxide Substances 0.000 claims description 2
- 239000010456 wollastonite Substances 0.000 claims description 2
- 229910052882 wollastonite Inorganic materials 0.000 claims description 2
- 239000002023 wood Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 description 30
- 239000012528 membrane Substances 0.000 description 13
- 241000251468 Actinopterygii Species 0.000 description 12
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 239000011148 porous material Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000009472 formulation Methods 0.000 description 4
- 239000001993 wax Substances 0.000 description 4
- 239000004970 Chain extender Substances 0.000 description 3
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 3
- 235000011187 glycerol Nutrition 0.000 description 3
- 210000003128 head Anatomy 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
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- 239000004593 Epoxy Substances 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 235000013871 bee wax Nutrition 0.000 description 2
- 239000012166 beeswax Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000000071 blow moulding Methods 0.000 description 2
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 2
- 239000008116 calcium stearate Substances 0.000 description 2
- 235000013539 calcium stearate Nutrition 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Natural products OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 2
- UAUDZVJPLUQNMU-KTKRTIGZSA-N erucamide Chemical compound CCCCCCCC\C=C/CCCCCCCCCCCC(N)=O UAUDZVJPLUQNMU-KTKRTIGZSA-N 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 description 2
- IPCSVZSSVZVIGE-UHFFFAOYSA-M hexadecanoate Chemical compound CCCCCCCCCCCCCCCC([O-])=O IPCSVZSSVZVIGE-UHFFFAOYSA-M 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 235000010215 titanium dioxide Nutrition 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 101000572976 Homo sapiens POU domain, class 2, transcription factor 3 Proteins 0.000 description 1
- 239000004594 Masterbatch (MB) Substances 0.000 description 1
- 102100026466 POU domain, class 2, transcription factor 3 Human genes 0.000 description 1
- 239000004264 Petrolatum Substances 0.000 description 1
- 101000986981 Tropidechis carinatus Acidic phospholipase A2 1 Proteins 0.000 description 1
- 101000585299 Tropidechis carinatus Acidic phospholipase A2 2 Proteins 0.000 description 1
- 101000585266 Tropidechis carinatus Acidic phospholipase A2 3 Proteins 0.000 description 1
- 239000005083 Zinc sulfide Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003851 biochemical process Effects 0.000 description 1
- 229920000704 biodegradable plastic Polymers 0.000 description 1
- 230000031018 biological processes and functions Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000002361 compost Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- XCJYREBRNVKWGJ-UHFFFAOYSA-N copper(II) phthalocyanine Chemical compound [Cu+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 XCJYREBRNVKWGJ-UHFFFAOYSA-N 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 125000005442 diisocyanate group Chemical group 0.000 description 1
- POULHZVOKOAJMA-UHFFFAOYSA-M dodecanoate Chemical compound CCCCCCCCCCCC([O-])=O POULHZVOKOAJMA-UHFFFAOYSA-M 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229940070765 laurate Drugs 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000002667 nucleating agent Substances 0.000 description 1
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229940066842 petrolatum Drugs 0.000 description 1
- 235000019271 petrolatum Nutrition 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 229950008882 polysorbate Drugs 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 235000012424 soybean oil Nutrition 0.000 description 1
- 239000003549 soybean oil Substances 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
- 229910052984 zinc sulfide Inorganic materials 0.000 description 1
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-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
- C08K5/101—Esters; Ether-esters of monocarboxylic acids
-
- 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
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/16—Dicarboxylic acids and dihydroxy compounds
- C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
- C08G63/181—Acids containing aromatic rings
- C08G63/183—Terephthalic 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
-
- 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
- C08K5/1515—Three-membered rings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L13/00—Compositions of rubbers containing carboxyl groups
- C08L13/02—Latex
-
- 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
- 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
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2230/00—Compositions for preparing biodegradable polymers
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two 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)
- Compositions Of Macromolecular Compounds (AREA)
- Biological Depolymerization Polymers (AREA)
Description
i)生分解性脂肪族−芳香族ポリエステル60重量部−100重量部と、
ii)ポリ乳酸0−40重量部と、
iii)有機フィラー及び/又は無機フィラー0−35重量部とを含み、かつ生分解性ポリエステル組成物の全重量に対して、グリシジルメタクリレートの重量含有量は0.05ppm−10ppm、好ましくは0.5ppm−8ppm、より好ましくは2ppm−5ppmである。
i)生分解性脂肪族−芳香族ポリエステル65−95重量部と、
ii)ポリ乳酸5−35重量部と、
iii)有機フィラー及び/又は無機フィラー5−25重量部とを含む。
前記離型剤は、シリコーンオイル、パラフィン、ホワイトミネラルオイル、ワセリンのうちの1種又は2種以上の混合物であり、
前記界面活性剤は、ポリソルベート、パルミテート又はラウレートのうちの1種又は2種以上の混合物であり、
前記ワックスは、エルカ酸アミド、ステアリン酸アミド、ベヘン酸アミド、蜜蝋又は蜜蝋エステルのうちの1種又は2種以上の混合物であり、
前記帯電防止剤は永久帯電防止剤であり、具体的には、PELESTAT−230、PELESTAT−6500、SUNNICO ASA−2500のうちの1種又は2種以上の混合物が挙げられ、
前記染料は、カーボンブラック、ブラックマスターバッチ、チタン白、硫化亜鉛、フタロシアニンブルー、蛍光オレンジのうちの1種又は2種以上の混合物である。
前記UV安定剤は、UV−123、UV−3896、UV−328のうちの1種又は複数種であり、
前記その他プラスチック添加剤は、成核剤、防曇剤、潤滑剤(たとえば、ステアリン酸カルシウム)等であってもよい。
脂肪族−芳香族ポリエステル:
PBAT−1:MFR6.0g/10min−12.6g/10min、金発科技株式会社製。
PBAT−2:MFR20.4g/10min−25.2g/10min、金発科技株式会社製。
PBAT−3:MFR36.0g/10min−37.2g/10min、金発科技株式会社製。
PBST:MFR6.0g/10min−12.6 g/10min、金発科技株式会社製。
PBSeT:MFR6.0g/10min−12.6 g/10min、金発科技株式会社製。
ポリ乳酸:
PLA−1:MFR5.4g/10min−9.6 g/10min、NatureWorks LLC社製。
PLA−2:MFR3.0g/10min−4.2 g/10min、NatureWorks LLC社製。
PLA−3:MFR45.6g/10min−47.4 g/10min、NatureWorks LLC社製。
有機フィラー:澱粉;
無機フィラー:タルク粉、炭酸カルシウム;
可塑剤:パルミテート、グリセリンと水の混合物;
その他プラスチック添加剤:ステアリン酸カルシウム;
ワックス:エルカ酸アミド;
上記助剤、グリシジルメタクリレート:すべて市販品。
a)膜材の表面におけるフィッシュアイの計算方法
1m2のフィルムにおいて膜材の表面でのフィッシュアイの個数を統計してNi-とし、10mおきに1枚の測定膜を取り、膜材の表面でのフィッシュアイの数を統計して、合計で5枚の測定膜を用い、膜材の表面でのフィッシュアイの数はそれぞれN1、N2、N3、N4、N5とし、この膜材の表面でのフィッシュアイの数Nは式(1)により計算される。
N=(N1+N2+N3+N4+N5)/5 式(1)
Nは大きいほど、膜材の表面でのフィッシュアイは多く、膜材表面の外観は悪い。
b)膜材の表面における孔の計算方法
連続して4hブローして、4h内で膜材の表面に発生した孔の個数を統計してMとし、Mは大きいほど、膜材の孔は深刻であり、膜材表面の外観は悪い。
1.2000g±0.005gの生分解性ポリエステル組成物を正確に秤量して、スタティックヘッドスペースサンプラーに投入し、スタティックヘッドスペース方法によって生分解性ポリエステル組成物におけるグリシジルメタクリレートのピーク面積をテストし、生分解性ポリエステル組成物におけるグリシジルメタクリレートのピーク面積とグリシジルメタクリレートの検量線に基づき、生分解性ポリエステル組成物におけるグリシジルメタクリレートの重量含有量を算出し、グリシジルメタクリレートの検量線をグリシジルメタクリレート/メタノール溶液で較正した。
スタティックヘッドスペース用装置の型番及びパラメータは以下のとおりである。
Agilent Technologies 7697Headspace Sampler;
Agilent Technologies 7890AGC System;
カラム:J&W 122−7032:250℃:30mx250μmx0.25μm;
試料注入:前SS試料注入口N2;
排出:前検出器FID。
Claims (8)
- 生分解性ポリエステル組成物であって、成分として、生分解性ポリエステル組成物の全重量100重量部に対して、
i)生分解性脂肪族−芳香族ポリエステル60重量部−100重量部と、
ii)ポリ乳酸0−40重量部と、
iii)有機フィラー及び/又は無機フィラー0−35重量部とを含み、かつ生分解性ポリエステル組成物の全重量に対して、グリシジルメタクリレートの重量含有量は0.05ppm−10ppm、好ましくは0.5ppm−8ppm、より好ましくは2ppm−5ppmであることを特徴とする生分解性ポリエステル組成物。 - 成分として、生分解性ポリエステル組成物の全重量100重量部に対して、
i)生分解性脂肪族−芳香族ポリエステル65−95重量部と、
ii)ポリ乳酸5−35重量部と、
iii)有機フィラー及び/又は無機フィラー5−25重量部とを含むことを特徴とする請求項1に記載の生分解性ポリエステル組成物。 - ISO 1133に準じて、190℃、2.16kgの条件において測定した前記成分i)のMFRは2g/10min−30g/10min、ISO 1133に準じて、190℃、2.16kg条件において測定した成分ii)のMFRは3g/10min−40g/10minであることを特徴とする請求項1又は2に記載の生分解性ポリエステル組成物。
- ISO 1133に準じて、190℃、2.16kg条件において測定した前記成分i)のMFRは5g/10min−15g/10min、ISO 1133に準じて、190℃、2.16kg条件において測定した成分ii)のMFRは5g/10min−20g/10minであることを特徴とする請求項3に記載の生分解性ポリエステル組成物。
- 1.2000g±0.005gの生分解性ポリエステル組成物を正確に秤量して、スタティックヘッドスペースサンプラーに投入し、スタティックヘッドスペース方法によって生分解性ポリエステル組成物におけるグリシジルメタクリレートのピーク面積をテストし、生分解性ポリエステル組成物におけるグリシジルメタクリレートのピーク面積とグリシジルメタクリレートの検量線に基づき、生分解性ポリエステル組成物におけるグリシジルメタクリレートの重量含有量を算出し、グリシジルメタクリレートの検量線をグリシジルメタクリレート/メタノール溶液で較正する方法によって、前記グリシジルメタクリレートの重量含有量をテストすることを特徴とする請求項4に記載の生分解性ポリエステル組成物。
- 前記生分解性脂肪族−芳香族ポリエステルは、ポリブチレンアジペートテレフタレートPBAT、ポリブチレンサクシネートテレフタレートPBST、ポリブチレンセバケートテレフタレートPBSeTのうちの1種又は複数種であることを特徴とする請求項1又は2に記載の生分解性ポリエステル組成物。
- 前記有機フィラーは天然澱粉、可塑化澱粉、変性澱粉、天然繊維、木粉から選ばれる1種又は複数種、前記無機フィラーはタルク粉、モンモリロナイト、カオリン、チョーク、炭酸カルシウム、グラファイト、石膏、導電性カーボンブラック、塩化カルシウム、酸化鉄、ドロマイト、シリカ、珪灰石、二酸化チタン、ケイ酸塩、雲母、ガラス繊維、鉱物繊維から選ばれる1種又は複数種であることを特徴とする請求項1又は2に記載の生分解性ポリエステル組成物。
- さらに、可塑剤、離型剤、界面活性剤、ワックス、帯電防止剤、染料、UV吸収剤、UV安定剤又はその他プラスチック添加剤の少なくとも1種を0−4部含むことを特徴とする請求項1又は2に記載の生分解性ポリエステル組成物。
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