EP3221389A1 - Composition à base d'amidon thermoplastique et de polyester aliphatique - Google Patents
Composition à base d'amidon thermoplastique et de polyester aliphatiqueInfo
- Publication number
- EP3221389A1 EP3221389A1 EP15804893.4A EP15804893A EP3221389A1 EP 3221389 A1 EP3221389 A1 EP 3221389A1 EP 15804893 A EP15804893 A EP 15804893A EP 3221389 A1 EP3221389 A1 EP 3221389A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- composition
- mass
- starch
- parts
- polyester
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
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- 235000019698 starch Nutrition 0.000 claims abstract description 53
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- 229920000728 polyester Polymers 0.000 claims abstract description 50
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- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 claims description 16
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- FOTKYAAJKYLFFN-UHFFFAOYSA-N decane-1,10-diol Chemical compound OCCCCCCCCCCO FOTKYAAJKYLFFN-UHFFFAOYSA-N 0.000 description 1
- 238000000113 differential scanning calorimetry Methods 0.000 description 1
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- UAUDZVJPLUQNMU-KTKRTIGZSA-N erucamide Chemical compound CCCCCCCC\C=C/CCCCCCCCCCCC(N)=O UAUDZVJPLUQNMU-KTKRTIGZSA-N 0.000 description 1
- DPUOLQHDNGRHBS-KTKRTIGZSA-N erucic acid Chemical compound CCCCCCCC\C=C/CCCCCCCCCCCC(O)=O DPUOLQHDNGRHBS-KTKRTIGZSA-N 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
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- 239000010439 graphite Substances 0.000 description 1
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- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000010102 injection blow moulding Methods 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- 150000002596 lactones Chemical class 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 235000020778 linoleic acid Nutrition 0.000 description 1
- OYHQOLUKZRVURQ-IXWMQOLASA-N linoleic acid Natural products CCCCC\C=C/C\C=C\CCCCCCCC(O)=O OYHQOLUKZRVURQ-IXWMQOLASA-N 0.000 description 1
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- 235000009973 maize Nutrition 0.000 description 1
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- SRTQDAZYCNOJON-UHFFFAOYSA-N methyl 4-cyano-5-[[5-cyano-2,6-bis(3-methoxypropylamino)-4-methylpyridin-3-yl]diazenyl]-3-methylthiophene-2-carboxylate Chemical compound COCCCNC1=NC(NCCCOC)=C(C#N)C(C)=C1N=NC1=C(C#N)C(C)=C(C(=O)OC)S1 SRTQDAZYCNOJON-UHFFFAOYSA-N 0.000 description 1
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- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical class CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- OEIJHBUUFURJLI-UHFFFAOYSA-N octane-1,8-diol Chemical compound OCCCCCCCCO OEIJHBUUFURJLI-UHFFFAOYSA-N 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 235000019702 pea protein Nutrition 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 150000003018 phosphorus compounds Chemical class 0.000 description 1
- 239000006069 physical mixture Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920001643 poly(ether ketone) Polymers 0.000 description 1
- 229920001849 poly(hydroxybutyrate-co-valerate) Polymers 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920002285 poly(styrene-co-acrylonitrile) Polymers 0.000 description 1
- 229920001748 polybutylene Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920005594 polymer fiber Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920000166 polytrimethylene carbonate Polymers 0.000 description 1
- 229920001592 potato starch Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 235000015504 ready meals Nutrition 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000007142 ring opening reaction Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000004626 scanning electron microscopy Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 230000000707 stereoselective effect Effects 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- TUNFSRHWOTWDNC-HKGQFRNVSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCC[14C](O)=O TUNFSRHWOTWDNC-HKGQFRNVSA-N 0.000 description 1
- MPCYPRXRVWZKGF-UHFFFAOYSA-J tetrasodium 5-amino-3-[[4-[4-[(8-amino-1-hydroxy-3,6-disulfonatonaphthalen-2-yl)diazenyl]phenyl]phenyl]diazenyl]-4-hydroxynaphthalene-2,7-disulfonate Chemical compound [Na+].[Na+].[Na+].[Na+].C1=C(S([O-])(=O)=O)C=C2C=C(S([O-])(=O)=O)C(N=NC3=CC=C(C=C3)C3=CC=C(C=C3)N=NC3=C(C=C4C=C(C=C(C4=C3O)N)S([O-])(=O)=O)S([O-])(=O)=O)=C(O)C2=C1N MPCYPRXRVWZKGF-UHFFFAOYSA-J 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 229940100445 wheat starch Drugs 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 241000228158 x Triticosecale Species 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 1
- PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical compound O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 0.000 description 1
Classifications
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- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/12—Powdering or granulating
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/18—Plasticising macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/203—Solid polymers with solid and/or liquid additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- 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
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/0016—Plasticisers
-
- 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
- C08K5/05—Alcohols; Metal alcoholates
- C08K5/053—Polyhydroxylic alcohols
-
- 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
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/092—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
- C08K5/10—Esters; Ether-esters
- C08K5/101—Esters; Ether-esters of monocarboxylic acids
- C08K5/103—Esters; Ether-esters of monocarboxylic acids with polyalcohols
-
- 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
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- 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
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2300/00—Characterised by the use of unspecified polymers
- C08J2300/16—Biodegradable polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2303/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
- C08J2303/02—Starch; Degradation products thereof, e.g. dextrin
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2403/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
- C08J2403/02—Starch; Degradation products thereof, e.g. dextrin
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2467/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2467/04—Polyesters derived from hydroxy carboxylic 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
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
-
- 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
-
- 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
- C08L2205/06—Polymer mixtures characterised by other features having improved processability or containing aids for moulding methods
Definitions
- the invention relates to a thermoplastic composition
- a thermoplastic composition comprising thermoplastic starch, an aliphatic polyester and at least one fatty acid monoester and glycerol.
- the invention also relates to a granule of the composition, a manufacturing method for the manufacture of said composition and a process for manufacturing film by blowing the sheath from the composition.
- plastics have become essential for the mass production of objects. Indeed, because of their thermoplastic nature, one can manufacture at high rates all kinds of objects from these polymers. To manufacture these objects, small pieces of these thermoplastic polymers are used which are melted by the supply of heat and mechanical stresses in shaping machines. For example, one can manufacture film by introducing these pieces in a extrusion blow molding machine or a flat extruder (in English "cast extrusion") or still make bottles by introducing them into an extruder snowblower. These small pieces are in the vast majority of cases in the form of granules, because they are very easy to handle.
- thermoplastics such as polyolefins or polyamides.
- these plastics are still little recycled today. Thus, this poses environmental problems because they are generally incinerated and that this incineration can cause the release of toxic gases.
- one of the important concerns today in the field of polymers is to provide biodegradable or at least compostable polymers.
- aliphatic polyesters such as polybutylene succinate (PBS), polybutylene succinate-coadipate (PBSA), poly- ⁇ -caprolactone (pCAPA), polylactic acid (PLA) as well as polyhydroxyalkanoates of the polyhydroxybutyrate (PHB) or poly (hydroxy butyrate-co-valerate) type (PHVB).
- PBS polybutylene succinate
- PBSA polybutylene succinate-coadipate
- pCAPA poly- ⁇ -caprolactone
- PLA polylactic acid
- PHB polyhydroxyalkanoates of the polyhydroxybutyrate
- PVB poly (hydroxy butyrate-co-valerate) type
- the aliphatic polyesters generally have melting temperatures close to those of the polyolefins, which allows, inter alia, their application in the fields of films and packaging, the biodegradability of which is an obvious advantage for single-shot applications.
- one of the problems of these polyesters is that they are relatively expensive.
- thermoplastic starch-based compositions which consist of starch and plasticizer of this starch such as glycerol.
- starch is one of the biobased polymers which is naturally the most widespread in the environment.
- thermoplastic starches have insufficient properties, especially in terms of water resistance.
- transformation of starch into thermoplastic starch is not easy because it requires the use of stresses and / or high temperatures during thermomechanical mixing, which tends to degrade the thermoplastic starch thus formed.
- compositions based on aliphatic polyesters and plasticized starch have been developed.
- the thermoplastic starch phase is generally dispersed in the polyester phase.
- the films are mainly manufactured by extrusion blow molding (or extrusion inflation) because this technique allows the manufacture of large-size and high-speed films.
- extrusion blow molding or extrusion inflation
- the Applicant has found that one of the problems of these compositions based on thermoplastic starch and aliphatic polyester is that they can, at high speed, be tacky during the shaping of the film by extrusion inflation. This creates problems of separation of the sheath during or after manufacture, once this sheath is in the form of a coil. This phenomenon prevents for example to make bags or thin films.
- This problem is particular to compositions comprising aliphatic polyesters because, unlike other polyesters such as semi-aliphatic polyesters, they have a slow crystallization rate. The sheath remains in the molten state and tends to stick during the inflation extrusion process.
- the invention thus relates to a thermoplastic composition
- a thermoplastic composition comprising at least one polyester (A) which is an aliphatic polyester, at least one starch (B), at least one organic starch plasticizer (C) and at least one monoester compound (D) of fatty monoacid comprising at least 12 carbon atoms and glycerol, the mass quantity of monoester (D) ranges from 0.05 to 1.7, these mass quantities being expressed relative to 100 parts of the mass total dryness of the components (A), (B) and (C).
- compositions based on starch and aliphatic polyester comprise this monoester (D) in these particular proportions, they have, especially when they are in the form of a blown sheath, a much less tacky appearance than compositions free of this compound (D) or comprising these compositions in greater proportions.
- EP 950 690 A2 discloses a thermoplastic starch-based composition and a thermoplastic polymer incompatible with this thermoplastic starch, which may be an aliphatic polyester, wherein the thermoplastic starch is dispersed in a continuous phase of thermoplastic polymer, and an interfacial agent to improve the water resistance and its resistance to aging.
- this interfacial agent may be of fatty acid monoester type comprising from 12 to 22 carbon atoms and glycerol. In this case, this interfacial agent must be introduced in proportions of at least 10% by weight relative to the weight of the thermoplastic starch.
- the application WO 2007/012142 A1 describes a composition comprising polycaprolactone, starch grafted with polycaprolactone, corn starch, sorbitol and glycerin and glucose stearate. This composition has improved properties conferred by the presence of the grafted starch. This document does not describe a composition comprising the monoester (D) described above.
- thermoplastic composition based on polyester (A) which is aliphatic, thermoplastic starch and a monoester (D) of mono fatty acid comprising at least 12 carbon atoms and glycerol.
- a thermoplastic composition is a composition that reversibly softens under the action of heat and hardens on cooling to room temperature. It has at least one glass transition temperature (Tg) below which the amorphous fraction of the composition is in the brittle glassy state, and above which the composition can undergo reversible plastic deformations.
- Tg glass transition temperature
- the glass transition temperature or at least one of the glass transition temperatures of the starch-based thermoplastic composition of the present invention is preferably from -150 to 40 ° C.
- This starch-based composition can, of course, be shaped by the processes traditionally used in plastics, such as extrusion, injection, molding, blowing and calendering. Its viscosity, measured at a temperature of 200 OO'C q C, is generally between 10 to 10 6 Pa.s.
- composition according to the invention also has the advantage of being able to be biodegradable.
- the composition according to the invention comprises at least one aliphatic polyester, which is a polyester which comprises nonaromatic monomers exclusively.
- understanding monomers is meant that the polyester is capable of being obtained by polycondensation of these monomers.
- the polyester comprises succinic acid and 1,4-butanediol, it means that it is obtainable by polycondensation of monomers comprising succinic acid and 1,4-butanediol.
- the polyester “comprises x% of a monomer (X)" it means that it is obtainable from a monomer mixture comprising, with respect to the total mass of the monomers, x% of monomer (X).
- An aliphatic polyester is a polyester that can be obtained using non-aromatic monomers, said monomers being chosen from polyols, polyacids and monomers bearing at least one carboxylic acid function and at least one alcohol function. These non-aromatic monomers may be linear, cycloaliphatic or branched. It is also possible to obtain these polyesters by enzymatic or fermentation routes, as in the case of polyhydroxyalkanoates.
- polyols are generally aliphatic diols, preferably saturated linear aliphatic diols.
- linear aliphatic diol there may be mentioned ethylene glycol, 1,3-propanediol, 1,4-butanediol, 1,5-pentanediol, 1,6-hexanediol, 1,8-octanediol, 1,10-decanediol, or a mixture of aliphatic diol units comprising at least one of these units, preferentially ethylene glycol, 1,4-butanediol or a mixture of these diols, most preferably 1,4-butanediol.
- the polyacids are generally aliphatic diacids, preferably saturated aliphatic diacids.
- these diacids may be succinic acid, glutaric acid, adipic acid, pimelic acid, suberic acid, azelaic acid, sebacic acid or a mixture of these. diacids.
- the aliphatic diacid is selected from succinic acid and adipic acid or a mixture of these acids.
- the polyesters can also be obtained from the esters, anhydrides or chlorides of these polyacids.
- Monomers bearing at least one carboxylic acid function and at least one alcohol function are generally hydroxy acids.
- the hydroxy acids may be glycolic acid, lactic acid, hydroxybutyric acid, hydroxycaproic acid, hydroxyvaleric acid, 7-hydroxyheptanoic acid or 8-hydroxyoctanoic acid, 9-hydroxynonanoic acid or a mixture of these hydroxy acids.
- the polyesters can also be obtained from dilactone such as glycolide or lactide, or lactone such as caprolactone.
- the composition comprises as polyester (A) an aliphatic polyester or a mixture of aliphatic polyesters.
- this aliphatic polyester advantageously comprises 1,4-butanediol and succinic acid and / or adipic acid.
- the polyester (A) is most preferably selected from PBS and PBSA.
- the composition comprises a mixture of aliphatic polyesters, the composition advantageously comprising a mixture of: at least one polyester (A1) which is an aliphatic polyester comprising 1,4-butanediol and succinic acid and or adipic acid, this polyester (A1) being very preferably chosen from PBS and PBSA;
- At least one polyester (A2) which is polylactic acid.
- the polylactic acid is a semi-crystalline polylactic acid.
- Polylactic acid is generally obtained by polymerization of lactide, by ring opening. Lactide can be in the form of D-lactide, L-lactide or in the form of meso-lactide.
- the crystallinity of the polylactic acid is mainly controlled by the amounts of D-lactide and L-lactide and to a lesser extent by the type of catalyst used.
- the polymerization of a racemic mixture of L-lactide and D-lactide generally leads to the synthesis of an amorphous polylactic acid
- the polymerization of pure D-lactide or pure L-lactide leads to the synthesis of a semi-crystalline polylactic acid.
- a synthetic method using a racemic mixture can also lead to a heterotactic PLA having crystallinity using stereospecific catalysts.
- the polylactic acid has a crystallinity ranging from 30 to 75%, most preferably from 40 to 60%.
- the degree of crystallinity of the PLA can be determined by differential scanning calorimetry analysis on the basis of the calculation of the ratio of the jump values of Cp to Tg of the semicrystalline product which is to be characterized and of the same product rendered totally amorphous.
- the weight percentage of (A2) relative to the weight of (A1) and (A2), expressed in dry mass advantageously ranges from 2 at 70%, advantageously from 10 to 50%, preferably from 18 to 30%. More preferably, the mass percentage of (A2) relative to the weight of (A1) and (A2), expressed in dry mass, ranges from 5 to 90%, preferably from 15 to 45%.
- the mass percentage of (A2) with respect to the mass of (A1) and (A2) is small, that is to say that this mass percentage, expressed in dry mass, is 2 at 20%, advantageously in this mode of 3 to 15%, for example from 4 to 10%.
- the various constituents of the composition may comprise moisture.
- the mass proportions can be expressed in the present application either in "dry mass”, that is to say that the water possibly included in the constituents or the composition is not taken into account for the calculation of the mass proportion or in "wet mass”, that is to say that the water possibly included in the constituents or the composition is taken into consideration for the calculation of the mass proportion.
- the polyester or the polyesters (A) have a melt index ranging from 0.1 to 50 g / 10 min, advantageously from 0.5 to 15 g / 10 min (IS01 133, 190 ⁇ €, 2.16 kg).
- composition according to the invention further comprises starch (B) and an organic plasticizer of starch (C), both forming thermoplastic starch.
- starch (B) it can be of any type. If it is desired to obtain a composition of lower cost, the starch preferentially used for the manufacture of the composition is a granular starch, preferably a native starch.
- granular starch is used herein to mean a starch which is native or physically modified, chemically or enzymatically, and which has retained, within the starch granules, a semicrystalline structure similar to that evidenced in starch grains. naturally occurring in reserve organs and tissues of higher plants, particularly in cereal grains, legume seeds, potato or cassava tubers, roots, bulbs, stems and fruits. In the native state, the starch grains generally have a degree of crystallinity which varies from 15 to 45%, and which essentially depends on the botanical origin of the starch and the possible treatment it has undergone.
- Granular starch placed under polarized light, has a characteristic black cross, so-called Maltese cross, typical of the granular state.
- the starch can come from all botanical origins, including a granular starch rich in amylose or conversely, rich in amylopectin (in English "waxy”). It may be starch native to cereals such as wheat, maize, barley, triticale, sorghum or rice, tubers such as potato or cassava, or legumes such as peas and soybeans, and mixtures of such starches.
- Starch can also be modified, chemically or physically.
- the organic plasticizer of the starch (C) has the function of rendering the starch thermoplastic. It may be an organic plasticizer chosen from diols and polyols such as glycerol, polyglycerols, sorbitans, sorbitol, mannitol, and hydrogenated glucose syrups, urea, polyethers of molar mass less than 800 g / mol, and any mixtures of these products, preferably glycerol, sorbitol or a mixture of glycerol and sorbitol. According to the invention, the composition may comprise relatively large amounts of plasticizer.
- the weight ratio of starch / plasticizer ranges from 90/10 to 40/60, for example from 85/15 to 40/60, advantageously from 85/15 to 50/50, preferably from 80/20 to 60/40.
- the 90/10 to 40/60 range can be broken down into two sub-ranges: a sub-range of 90/10 to 85/15 (85/15 terminal excluded) and a sub-range of 85/15 to 40/60. 60.
- the weight ratio of starch (B) / organic plasticizer (C), expressed in dry mass ranges from 90/10 to 80/20, or even from 90/10 to 85/15 (bound 85 / 15 excluded).
- the mass percentage of (A2) with respect to the mass of (A1) and (A2) be low.
- the compositions of this preferred mode make it possible to be transformed later, for example in the form of a film, without the occurrence of smoke emission during the transformation.
- the films obtained have excellent mechanical properties, especially when the amount of (A2) is low.
- the composition according to the invention can be converted into a sheath, without it sticking on itself, and this even when the sheath is produced at high speed.
- the composition then has a greater flexibility.
- the composition may comprise very variable amounts of thermoplastic starch.
- the total mass quantity of polyester (A) can be in the range from 35 to 75 parts, these mass quantities being expressed relative to 100 parts of the total dry mass of constituents (A), (B) and (C). ). It may comprise a total mass quantity of polyester (A) ranging from 40 to 70 parts, advantageously in the range of 45 to 60 parts, preferably in the range of 48 to 58 parts.
- composition according to the invention can be characterized by a morphology which is in the form of co-continuous domains of thermoplastic starch and polyester.
- the morphology of the composition can be observed by scanning electron microscopy.
- the composition according to the invention can be shaped into films, without these being sticky.
- the morphology of the composition has co-continuous domains of polyester and thermoplastic starch. These compositions exhibit improved biodegradability compared to compositions in which the thermoplastic starch is dispersed in a continuous polyester phase.
- the composition comprises a total mass quantity of polyester (A) in the range from 60 to 75 parts, preferably from 62 to 72 parts, these mass quantities being expressed relative to 100 parts of the dry mass. total of constituents (A), (B) and (C).
- this composition is characterized by a morphology in the form of thermoplastic starch domains dispersed in a polyester matrix. According to this mode, the films obtained from these compositions exhibit superior properties of tear resistance.
- the composition according to the invention can be transformed into films without these sticking on themselves, and this even when the rate of production is high.
- the morphology of the composition has co-continuous domains of polyester and thermoplastic starch. These compositions exhibit improved biodegradability compared to compositions in which the thermoplastic starch is dispersed in a continuous polyester phase.
- the composition further comprises a monoester (D) mono fatty acid compound comprising at least 12 carbon atoms and glycerol.
- the mono-fatty acid may be saturated or unsaturated and may especially be stearic acid, lauric acid, myristic acid, palmitic acid, erucic acid, oleic acid or the like. linoleic acid.
- the compound (D) is glycerol monostearate.
- the mass quantity of compound (D) ranges from 0.3 to 1.5 parts, preferably from 0.5 to 1.5 parts, preferably from 0.65 to 1.3 parts, these mass quantities being expressed by ratio to 100 parts of the dry mass of the various constituents (A), (B) and (C).
- the compound (D) makes it possible to obtain particularly low-stickness extrusion films.
- the mass quantity of compound (D) is less than 8 parts, preferably less than 5 parts, most preferably less than 2.5 parts, these mass quantities being expressed relative to 100 parts of the dry mass of the various constituents (B) and (C).
- composition according to the invention may also comprise other additives or additional polymers, called additional constituents, or a mixture thereof.
- the composition according to the invention may in particular also comprise a binding agent carrying a plurality of functions capable of reacting with the polyester and / or the starch and / or the organic plasticizer of the starch, this function possibly being chosen from the functions carboxylic acid, carboxylic acid ester, isocyanate or epoxy.
- This binding agent in particular citric acid, may be present in a mass quantity ranging from 0.01 to 0.45 parts, these mass quantities being expressed relative to 100 parts of the total dry mass of (A), ( B) and (C).
- the composition comprises from 0.05 to 0.3 parts of citric acid, preferably from 0.06 to 0.20 parts, most preferably from 0.07 to 0.15 parts, these mass quantities being expressed relative to to 100 parts of the total dry mass of (A), (B) and (C).
- citric acid in the composition makes it possible to improve the homogeneity thereof and thus to improve the properties of the composition.
- the composition is easy to granulate, in comparison with polyester and thermoplastic starch compositions comprising larger amounts of citric acid.
- the composition according to the present invention may also comprise, as other additive or additional component, fillers or fibers of organic or inorganic nature, nanoscale or not, functionalized or not.
- the composition can be silicas, zeolites, fibers or glass beads, clays, mica, titanates, silicates, graphite, calcium carbonate, talc, carbon nanotubes, fibers of wood, carbon fibers, polymer fibers, proteins, cellulosic fibers, lignocellulosic fibers and non-destructured granular starch.
- These fillers or fibers can improve the hardness, rigidity or permeability to water or gases.
- the composition comprises from 0.1 to 200 parts of fillers and / or fibers, for example from 0.5 to 50 parts, this quantity being expressed relative to 100 parts of the total dry mass of (A), (B ) and (C).
- the composition may also be of composite type, that is to say include large amounts of these fillers and / or fibers.
- the additive useful for the composition according to the invention may also be chosen from opacifying agents, dyes and pigments. They can be selected from cobalt acetate and the following compounds: HS-325 Sandoplast® RED BB (which is a compound carrying an azo function also known as Solvent Red 195), HS-510 Sandoplast® Blue 2B which is an anthraquinone, Polysynthren® Blue R, and Clariant® RSB Violet.
- the composition according to the invention may also comprise other additives such as stabilizing agents, for example light stabilizing agents, UV stabilizing agents and heat stabilizing agents, fluidifying agents, flame retardants and antistatic agents. It may also include primary and / or secondary antioxidants.
- the primary antioxidant can be a sterically hindered phenol such as the compounds Hostanox® 0 3, Hostanox® 010, Hostanox® 016, Ultranox® 210, Ultranox®276, Dovernox® 10, Dovernox® 76, Dovernox® 31 14, Irganox® 1010, Irganox® 1076.
- the secondary antioxidant may be trivalent phosphorus compounds such as Ultranox® 626, Doverphos® S-9228, Hostanox® P-EPQ, or Irgafos® 168.
- the composition may also comprise as additive an additional process agent, or processing aid, which is different from the compound (D), making it possible to reduce the pressure in the processing tool.
- These agents may also act as release agents to reduce adhesion to the formatting materials of the composition, such as molds or calender rolls.
- These agents can be selected from the different fatty acid esters and amides of the compound (D), metal salts, soaps, paraffins or hydrocarbon waxes. Specific examples of these agents are zinc stearate, calcium stearate, aluminum stearate, stearamides such as ethylene bis stearamide (EBS), erucamide such as Incromax ®, behenamide, beeswax or candelilla waxes.
- EBS ethylene bis stearamide
- erucamide such as Incromax ®
- behenamide beeswax or candelilla waxes.
- this additional process agent may be present, in a mass quantity of less than 0.2 parts, advantageously in a mass quantity of less than 0.1 part, these mass quantities being expressed relative to 100 parts of the mass. total dryness of the components (A), (B) and (C).
- the composition according to the invention is preferably free of additional process agent. Process aids such as erucamides can be difficult to assay and cause problems with the use of the films (difficulty of printing, instability of the bubble during the extrusion inflation step).
- the composition may further comprise an additional polymer different from the one or more polyesters (A).
- This polymer may be chosen from polyamides, polystyrene, styrene copolymers, styrene-acrylonitrile copolymers, styrene-acrylonitrile-butadiene copolymers, polymethyl methacrylates, acrylic copolymers, poly (ether-imides) and polyoxides. of phenylene such as (2,6-dimethylphenylene) polyoxide, phenylene polysulfate, poly (ester-carbonates), polycarbonates, polysulfones, polysulfone ethers, polyether ketones and mixtures of these polymers.
- composition may also comprise, as additional polymer, a polymer making it possible to improve the impact properties of the polymer, in particular functional polyolefins such as functionalized ethylene or propylene polymers and copolymers, core-shell copolymers or block copolymers.
- a polymer making it possible to improve the impact properties of the polymer, in particular functional polyolefins such as functionalized ethylene or propylene polymers and copolymers, core-shell copolymers or block copolymers.
- compositions according to the invention may also comprise polymers of natural origin, such as cellulose, chitosans, alginates, carrageenans, agar-agar, proteins such as gluten, pea proteins, casein , collagen, gelatin, lignin, these polymers of natural origin may or may not be physically or chemically modified.
- polymers of natural origin such as cellulose, chitosans, alginates, carrageenans, agar-agar, proteins such as gluten, pea proteins, casein , collagen, gelatin, lignin, these polymers of natural origin may or may not be physically or chemically modified.
- the composition comprises in dry mass:
- At least one polyester (A1) of condensation of ethylene glycol and / or butanediol-1,4 and of succinic acid and / or adipic acid preferably from 30 to 55 parts , all preferably from 30 to 50 parts;
- composition further comprising:
- composition according to the invention can be manufactured using a manufacturing method comprising:
- a step of introducing a) in a constituent mixer system comprising at least one polyester (A) aliphatic, at least one starch (B) at least one organic plasticizer of the starch (C), at least one monoester ( D) fatty monoacid comprising at least 12 carbon atoms and glycerol and optionally water;
- thermomechanical manner wherein the components are mixed thermomechanical manner to obtain the thermoplastic composition
- thermoplastic composition ⁇ a recovery step c) of the thermoplastic composition.
- the amounts of the various constituents can be varied so as to obtain the compositions described above.
- the person skilled in the art can easily, in order to carry out the process, determine the mass quantities of the various constituents in wet mass to be introduced into the mixing system, by measuring in advance the moisture in each component, for example by performing an assay using the Karl-Fisher method, in order to obtain the compositions in the proportions described above.
- the description of compositions expressed in dry mass with the amounts of each of the constituents used in the process, which are in turn expressed in wet mass, are described.
- the mixing system it may be internal bladed or rotor mixers, external mixers, co-rotating or counter-rotating twin-screw extruders. However, it is preferred to carry out this mixture by extrusion, in particular by using a co-rotating twin-screw extruder.
- the various constituents of the composition can be introduced by means of introducing hoppers located along the extruder. In order to prepare the composition, use may especially be made of the process described in document WO 2010/010282A1.
- the mixing system may comprise a drying system, for example a volatile extraction system such as a vacuum pump.
- a drying system for example a volatile extraction system such as a vacuum pump.
- the humidity of the composition is adjusted to be between 2.5 and 9% relative to the total mass (and therefore wet) of the constituents introduced during step a).
- the process comprises at least one drying step, so that the humidity of the composition is between 0.2 and 1.4%.
- the mixture of step b) is carried out simultaneously with the drying step, for example by connecting a vacuum pump to the reactor.
- the method may also include a separate drying step of drying, subsequently taking place at the recovery step c).
- the mixing temperature in step b) is preferably from 90 to 210 ° C, preferably 1 10-190 ⁇ C.
- the mixture of components of the composition can be done under an inert atmosphere.
- the mixing system it may be internal bladed or rotor mixers, external mixers, co-rotating or counter-rotating twin-screw extruders.
- the mixing step b) is carried out in an extruder, in particular by using a co-rotating twin-screw extruder.
- the introduction step a) of the various constituents of the composition can be done using feed hoppers located along the extruder.
- the composition recovered in step c) is in the form of a polymer rod.
- the manufacturing method further comprises a granulation step d) of the composition recovered in step c). At the end of this granulation step d) granules of composition are obtained.
- This granulation step can be done by any type of granulator, for example under a water ring, under water or rushes.
- the recovered composition can be granulated very easily, without forming rosaries, especially when the composition comprises citric acid.
- the invention also relates to polymer granules consisting of the composition according to the invention.
- the invention also relates to an article comprising the composition according to the invention.
- This article can be of any type and be obtained using conventional transformation techniques. This may be, for example, fibers or yarns useful for the textile industry or other industries. These fibers or yarns can be woven to form fabrics or nonwovens.
- the article according to the invention can also be a film, a sheet. These films or sheets can be manufactured by calendering techniques, cast film extrusion, extrusion blow molding.
- the invention relates to a sheath blow film manufacturing method comprising:
- a step of extruding the composition or granules according to the invention to form a melted composition A step of forming a sheath by blowing the molten composition obtained in the next step;
- the drawing speed is greater than 5 m / s, preferably greater than 10 m / s.
- the compositions according to the invention make it possible to maintain excellent production rates and to obtain high drawdown speeds, especially when the composition comprises a mixture of polyesters (A1) and (A2).
- the article according to the invention may also be a container for transporting gases, liquids and / or solids. It may be bottles, for example bottles of sparkling water or not, bottles of juice, bottles of soda, bottles, bottles of alcoholic beverages, bottles, for example bottles of medicine, bottles cosmetics, dishes, for example for ready meals, microwave dishes or lids. These containers can be of any size. They can be manufactured by extrusion blow molding, thermoforming or injection blow molding.
- the articles may also be multilayer articles, at least one layer of which comprises the composition according to the invention. These articles can be manufactured by a process comprising a coextrusion step in the case where the materials of the different layers are brought into contact in the molten state.
- tube coextrusion techniques coextrusion techniques, coextrusion of profiles, coextrusion blow molding (in English “blowmolding") of bottles, flasks or tanks, generally grouped under the term co-extrusion blowing of hollow body, co-extrusion inflating also called blowing of sheath (in English “film blowing") and co-extrusion flat ("in English” cast coextrusion ").
- They may also be manufactured by a process comprising a step of applying a layer of melt composition to a layer based on an organic polymer, paper, metal or a solid state adhesive composition. This step may be carried out by pressing, overmolding, lamination or lamination, extrusion-rolling, coating, extrusion-coating or coating.
- Polyesters (A1): Aliphatic condensation polyester of succinic acid, adipic acid and 1,4-butanediol, melt temperature of 95 ° C., melt flow rate equal to 1.2 g /10 minutes
- Starch a Wheat starch (containing 12.5% water)
- Starch b Potato starch (containing 20% water)
- EBS ethylene bis stearamide
- composition envisaged comprises an additional polyester
- a physical mixture of the granules of the polyesters (A1) and (A2) is prepared before being introduced into the extruder.
- the extruder is introduced into:
- a partial vacuum is applied in zone Z 9 (33-36 D) and in zone 11 (41 -44 D) (vacuum of 100 mbar) to eliminate the water.
- the granules are obtained by a conventional underwater granulation system.
- the granules are dried in a basket dryer for 2 hours at 80 ° C.
- a humidity determination is carried out by the Karl-Fisher method. All the compositions obtained have a humidity of approximately 0.5%.
- compositions according to the invention and comparative were carried out using the method described above.
- the amounts of the various constituents introduced into the extruder are shown in Table 1.
- the proportions of all the constituents are given with respect to the wet weight of the sum of the constituents (A), (B) and (C).
- a composition according to the invention is named EX and a comparative composition is named Comp Ex.
- compositions 8, 9, 10 and 11 were made. These compositions differ from the compositions of the examples according to the invention 2, 5, 12 and 13 in that glucose stearate is used instead of the glycerol monosterate.
- the maximum speed of manufacture of the sheath, as well as the ratio of this speed relative to the maximum speed of the machine are reported Table 3.
- the films can be formed at high speed, especially when the amount of mono fatty acid and glycerol monoester is from 0.3 to 1, 25 parts. However, if you want films that do not stick at all, it is advantageous to use amounts of 0.5 parts or more. On the other hand, when using other processing aids such as Incromax® or EBS and whatever the quantity used, all the sheaths formed are very sticky and it is not possible to open sheath. The same observations were made for comparative compositions 8 to 11. Thus, with respect to the compositions of the application WO 2007/012142 which comprise glucose stearate, the compositions according to the invention can be converted at a higher rate by blowing in the form of a sheath, without the latter sticking on itself. . It can be noted that it was impossible to form a film (it was not possible to form the sheath), when the amount of monoester mono fatty acid and glycerol is 2 parts.
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Abstract
Description
Claims
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1461082A FR3028520B1 (fr) | 2014-11-17 | 2014-11-17 | Composition a base d'un melange de polyesters et d'amidon thermoplastique a filmabilite amelioree. |
| FR1461081A FR3028519B1 (fr) | 2014-11-17 | 2014-11-17 | Composition a base d'amidon thermoplastique et de polyester aliphatique ou de polyester semi-aliphatique |
| FR1461080A FR3028518B1 (fr) | 2014-11-17 | 2014-11-17 | Composition de polyester et d'amidon thermoplastique aux proprietes mecaniques ameliorees |
| FR1554884 | 2015-05-29 | ||
| PCT/FR2015/053102 WO2016079416A1 (fr) | 2014-11-17 | 2015-11-17 | Composition à base d'amidon thermoplastique et de polyester aliphatique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3221389A1 true EP3221389A1 (fr) | 2017-09-27 |
Family
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Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP15804894.2A Withdrawn EP3221394A1 (fr) | 2014-11-17 | 2015-11-17 | Composition à base d'un mélange de polyesters et d'amidon thermoplastique à filmabilité améliorée |
| EP15808728.8A Not-in-force EP3221390B1 (fr) | 2014-11-17 | 2015-11-17 | Composition de polyester et d'amidon thermoplastique aux propriétés mécaniques améliorées |
| EP15804893.4A Withdrawn EP3221389A1 (fr) | 2014-11-17 | 2015-11-17 | Composition à base d'amidon thermoplastique et de polyester aliphatique |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP15804894.2A Withdrawn EP3221394A1 (fr) | 2014-11-17 | 2015-11-17 | Composition à base d'un mélange de polyesters et d'amidon thermoplastique à filmabilité améliorée |
| EP15808728.8A Not-in-force EP3221390B1 (fr) | 2014-11-17 | 2015-11-17 | Composition de polyester et d'amidon thermoplastique aux propriétés mécaniques améliorées |
Country Status (4)
| Country | Link |
|---|---|
| US (3) | US20180327589A1 (fr) |
| EP (3) | EP3221394A1 (fr) |
| ES (1) | ES2699310T3 (fr) |
| WO (3) | WO2016079417A1 (fr) |
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| EP3221394A1 (fr) * | 2014-11-17 | 2017-09-27 | Roquette Frères | Composition à base d'un mélange de polyesters et d'amidon thermoplastique à filmabilité améliorée |
| SE542961C2 (en) * | 2018-11-21 | 2020-09-22 | Ingevity Uk Ltd | A PROCESS FOR COMPOUNDING A THERMOPLASTIC COMPOSITION COMPRISING PERFORMANCE ADDITIVES FOR USE IN ADDITIVE MANUFACTURING |
| US10882977B1 (en) * | 2020-01-30 | 2021-01-05 | Edward Showalter | Earth plant compostable biodegradable substrate and method of producing the same |
| US11149131B2 (en) * | 2020-01-30 | 2021-10-19 | Edward Showalter | Earth plant compostable biodegradable substrate and method of producing the same |
| US11785972B2 (en) * | 2020-04-24 | 2023-10-17 | Frito-Lay North America, Inc. | Processing aid for extrudable food composition |
| CN113881109B (zh) * | 2020-07-01 | 2022-12-30 | 南京五瑞生物降解新材料研究院有限公司 | 多级改性的热塑性淀粉母粒及其在制备淀粉基生物降解薄膜中的应用 |
| EP4239026A4 (fr) * | 2020-10-30 | 2024-11-06 | Toray Industries, Inc. | Composition polymère et article moulé |
| WO2023017085A1 (fr) * | 2021-08-10 | 2023-02-16 | Polypea Srl | Compositions de formation d'amidon thermoplastique et leurs utilisations |
| CN113773617B (zh) * | 2021-08-12 | 2023-06-09 | 广州市聚赛龙工程塑料股份有限公司 | 一种pbat基材料及其制备方法和应用 |
| CN114318945A (zh) * | 2022-01-17 | 2022-04-12 | 福建益百利包装材料有限公司 | Pbs淋膜纸的制备工艺 |
| US12070885B2 (en) | 2022-06-10 | 2024-08-27 | Reynolds Consumer Products LLC | Method for manufacturing renewable film and products |
| EP4663697A1 (fr) * | 2024-06-12 | 2025-12-17 | Sociedad Anónima Minera Catalano Aragonesa | Composition thermoplastique injectable, biodégradable dans le sol et munitions pour la chasse et le tir sportif fabriquées à partir de cette composition |
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| DE19624641A1 (de) * | 1996-06-20 | 1998-01-08 | Biotec Biolog Naturverpack | Biologisch abbaubarer Werkstoff, bestehend im wesentlichen aus oder auf Basis thermoplastischer Stärke |
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| TW200632018A (en) * | 2005-01-11 | 2006-09-16 | Asahi Kasei Life & Living Corp | Matt film or sheet |
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| FR2934272B1 (fr) | 2008-07-24 | 2013-08-16 | Roquette Freres | Procede de preparation de compositions a base de matiere amylacee et de polymere synthetique. |
| CN106046702B (zh) * | 2008-12-26 | 2020-05-26 | 三菱化学株式会社 | 树脂组合物、膜、袋制品和树脂组合物的制造方法 |
| US8409677B2 (en) * | 2010-01-20 | 2013-04-02 | E I Du Pont De Nemours And Company | Biodegradable starch-containing blend |
| EP2643405A1 (fr) * | 2010-11-23 | 2013-10-02 | The Procter and Gamble Company | Compositions à base d'amidon thermoplastique |
| GB2488811B (en) * | 2011-03-09 | 2015-02-25 | Floreon Transforming Packaging Ltd | Biodegradable polymer blend |
| CN102321249B (zh) | 2011-06-30 | 2013-01-16 | 无锡碧杰生物材料科技有限公司 | 一种热塑性淀粉和生物降解聚酯/淀粉复合材料及其制备 |
| EP2781546B1 (fr) * | 2011-11-15 | 2017-03-15 | Showa Denko K.K. | Composition de résine biodégradable et film biodégradable |
| US10087291B2 (en) * | 2014-04-10 | 2018-10-02 | Fpinnovations | Process to incorporate wet natural fiber and starch into thermoplastics |
| EP3221394A1 (fr) * | 2014-11-17 | 2017-09-27 | Roquette Frères | Composition à base d'un mélange de polyesters et d'amidon thermoplastique à filmabilité améliorée |
-
2015
- 2015-11-17 EP EP15804894.2A patent/EP3221394A1/fr not_active Withdrawn
- 2015-11-17 WO PCT/FR2015/053103 patent/WO2016079417A1/fr not_active Ceased
- 2015-11-17 WO PCT/FR2015/053102 patent/WO2016079416A1/fr not_active Ceased
- 2015-11-17 ES ES15808728T patent/ES2699310T3/es active Active
- 2015-11-17 US US15/527,308 patent/US20180327589A1/en not_active Abandoned
- 2015-11-17 WO PCT/FR2015/053100 patent/WO2016079414A1/fr not_active Ceased
- 2015-11-17 US US15/527,306 patent/US20180327588A1/en not_active Abandoned
- 2015-11-17 US US15/527,301 patent/US10822491B2/en not_active Expired - Fee Related
- 2015-11-17 EP EP15808728.8A patent/EP3221390B1/fr not_active Not-in-force
- 2015-11-17 EP EP15804893.4A patent/EP3221389A1/fr not_active Withdrawn
Non-Patent Citations (2)
| Title |
|---|
| None * |
| See also references of WO2016079416A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3221390B1 (fr) | 2018-09-05 |
| WO2016079414A1 (fr) | 2016-05-26 |
| US10822491B2 (en) | 2020-11-03 |
| US20180327587A1 (en) | 2018-11-15 |
| WO2016079416A1 (fr) | 2016-05-26 |
| US20180327588A1 (en) | 2018-11-15 |
| US20180327589A1 (en) | 2018-11-15 |
| EP3221390A1 (fr) | 2017-09-27 |
| EP3221394A1 (fr) | 2017-09-27 |
| ES2699310T3 (es) | 2019-02-08 |
| WO2016079417A1 (fr) | 2016-05-26 |
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