EP1036107A1 - Polyetheresteramides - Google Patents

Polyetheresteramides

Info

Publication number
EP1036107A1
EP1036107A1 EP98956937A EP98956937A EP1036107A1 EP 1036107 A1 EP1036107 A1 EP 1036107A1 EP 98956937 A EP98956937 A EP 98956937A EP 98956937 A EP98956937 A EP 98956937A EP 1036107 A1 EP1036107 A1 EP 1036107A1
Authority
EP
European Patent Office
Prior art keywords
polyether ester
ester amides
acids
mixtures
content
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Withdrawn
Application number
EP98956937A
Other languages
German (de)
English (en)
Inventor
Ralf Timmermann
Wolfgang Schulz-Schlitte
Michael Voigt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
Original Assignee
BASF SE
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DE1997153534 external-priority patent/DE19753534A1/de
Priority claimed from DE1997153532 external-priority patent/DE19753532A1/de
Application filed by BASF SE filed Critical BASF SE
Publication of EP1036107A1 publication Critical patent/EP1036107A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/44—Polyester-amides
    • 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

Definitions

  • DE-A 25 23 991, DE-A 28 02 989, DE-A 28 56 787 describe copolyether ester amides which, starting from short-chain, acid-terminated polyamide units, preferably based on PA 11, are prepared by condensation with hydroxyl-functional polyethers and monofunctional acids become.
  • DE-A 31 45 998 describes polyether ester amides from aminocarboxylic acids, dicarboxylic acids and long-chain polyethers.
  • the polymers obtained are characterized by low molecular weights and are not suitable, e.g. To extrude foils.
  • EP-A 0 163 902 and EP-A 0 095 893 describe polyether ester amides from lactams or aminocarboxylic acids, dicarboxylic acids and long-chain polyethers.
  • US-A 4 230 838 describes polyether ester amides from an acid-terminated polyamide, dicarboxylic acids and polytetramethylene glycol.
  • EP-A 0 378 015 describes polyether ester amides with good water vapor permeability, which in turn have a block-like structure and are acid-terminated
  • Polyamides and hydroxyl-functional polyethers are produced. It is difficult rigorous adherence to stoichiometry to obtain high molecular weight polymers. Polymers with lower molecular weights are poorly suited for film extrusion.
  • the object of the invention is to provide polyether ester amides which have a high water vapor permeability, are suitable for use in film extrusion and are simple and safe to produce and are fast-crystallizing.
  • polyether ester amides according to the invention are also biodegradable or compostable.
  • polyester amides are much simpler than the methods described so far, since a multi-stage procedure is not necessary (prior synthesis of acid-terminated short-chain polyamides) and the stoichiometry of the synthesis can be maintained very well by the additional use of short-chain diol compounds and very high molecular weight polyether ester amides are thus obtained that are ideal for extrusion applications.
  • the invention therefore relates to polyether ester amides which have a statistical arrangement of the ester and amide segments and where the alcohol component consists of monomeric and oligomeric diols.
  • the content of oligomeric diol, based on the total content of the alcohol component, is generally 3 to 99, preferably 5 to 80 mol%, particularly preferably 15 to 80 mol%, in particular 15 to 50 mol%.
  • the polyether ester amides are preferably composed of the following monomers:
  • Oligomeric polyols consisting of polyethylene glycols, polypropylene glycols, randomly or block-like polyglycols from mixtures of ethylene oxide or propylene oxide, or polytetrahydrofurans with molecular weights (weight average) between 100 and 10,000 and
  • monomeric diols preferably C2-C j 2-alkyldiols, in particular C 2 -C, 5-alkyldiols, for example and preferably ethylene glycol, 1,4-butanediol, 1,3-propanediol,
  • Dicarboxylic acids preferably C2-C12-, particularly preferably C2-Cö-alkyldicarboxylic acids, for example and preferably oxalic acid, succinic acid, adipic acid, also in the form of their respective esters (methyl, ethyl, etc.),
  • Alkylhydroxycarboxylic acids with preferably 2 to 12 carbon atoms in the alkyl chain and lactones such as and preferably caprolactone and others,
  • Amino alcohols preferably having 2 to 12 carbon atoms in the alkyl chain, for example and preferably ethanolamine, propanolamine,
  • Cyclic lactams preferably having 5 to 12, preferably 6 to 11 carbon atoms. such as and preferably ⁇ -caprolactam or laurolactam etc.,
  • ⁇ -aminocarboxylic acids preferably having 6 to 12 carbon atoms in the alkyl chain, such as, for example, and preferably aminocaproic acid, etc.
  • both hydroxyl- or acid-terminated polyesters with molecular weights between 300 and 10,000 can be used as the ester-forming component.
  • the polyether ester amides according to the invention can further contain 0.05 to 5% by weight, preferably 0.1 to 1% by weight, of branching agents.
  • branching agents can e.g. trifunctional alcohols such as trimethylolpropane or glycerin, tetrafunctional
  • Alcohols such as pentaerythritol, trifunctional carboxylic acids such as citric acid or tri- or tetrafunctional hydroxycarboxylic acids.
  • the branching agents increase the melt viscosity of the polyether ester amides according to the invention to such an extent that extrusion blow molding is possible with these polymers.
  • the proportion of ether and ester fractions in the polymer is generally 5 to 85, preferably 20 to 80,% by weight, based on the total polymer.
  • the polyetheresteramides according to the invention generally have an average molecular weight (Mw determined according to gel chromatography in cresol against standard polystyrene) from 10,000 to 300,000, preferably from 15,000 to 150,000, in particular 15,000 to 100,000.
  • Mw average molecular weight
  • the synthesis can be carried out either by the "polyamide method” by stoichiometric mixing of the starting components, if appropriate with the addition of water and subsequent removal of water from the reaction mixture, or by the “polyester method” by adding an excess of diol with esterification of the acid groups and subsequent transesterification or unamidation these esters are made. In this second case, the excess glycol is distilled off in addition to water.
  • the reaction generally takes place at temperatures of 180 up to 280 ° C and under reduced pressure, preferably ⁇ 5 mbar, in particular ⁇ 1 mbar.
  • suitable catalysts can be used to catalyze the esterification or amidation reactions.
  • Titanium compounds for the esterifications or phosphorus compounds for the amidation reactions include e.g. Titanium compounds for the esterifications or phosphorus compounds for the amidation reactions. These catalysts are known from the prior art.
  • polyether ester amides according to the present invention can be filled and
  • Reinforcing materials and common additives are mixed. As a rule, up to 80% by weight (based on polyetheresteramide) of fillers and reinforcing materials can be added.
  • inorganic materials are used as fillers and reinforcing materials.
  • fibrous reinforcing materials such as glass and carbon fibers and mineral fillers, e.g. Talc, mica, chalk, kaolin, wollastonite, gypsum, quartz, dolomite, silicates.
  • the fillers and reinforcing materials can also be surface-treated.
  • Glass fibers generally have a fiber diameter between 8 and 14 ⁇ m and can be used as continuous fibers or as cut or ground glass fibers, the fibers being able to be equipped with a suitable sizing system and an adhesion promoter or adhesion promoter system based on silane.
  • the polyetheresteramides may further contain 1 to 90, preferably 10 to 60, in particular 15 to 50 parts by weight (based on polyetheresteramide) of starch, modified starch, cellulose and / or modified cellulose.
  • starch described in WO 96/31 561 can be used as starch.
  • Other possible additives are:
  • UV stabilizers antioxidants, pigments, dyes, nucleating agents, crystallization accelerators and retarders, flow aids, lubricants, mold release agents, flame retardants, water repellents. Plasticizers and / or impact modifiers can also be added.
  • polyether ester amides according to the invention can also be used as a blend with biodegradable polymers.
  • biodegradable polymers include e.g. aliphatic polyesters such as polycaprolactone, aliphatic-aromatic polyesters from e.g. Terephthalic acid, butanediol and adipic acid, polyhydroxybutyric acid, polylactides and copolymers thereof,
  • Polyester urethanes e.g. EP-A 593 975.
  • mixtures according to the invention of polyether ester amide and fillers and reinforcing materials and, if appropriate, further additives can be prepared by mixing the respective constituents in a known manner and in the customary manner
  • Temperatures e.g. at 180 ° C to 300 ° C, in conventional units such as internal kneaders, extruders, twin-screw extruders, melt-compounded or melt-extruded.
  • polyether ester amides of the present invention and their mixtures mentioned above can be used in injection molding, as a fiber or film or in the non-woven sector
  • melt-blown can be used in particular for the production of films, for example by bubble extrusion.
  • caprolactam 28.2 g of adipic acid, 29.5 g of butanediol and 78.4 g of polyethylene glycol 200 are combined with titanium tetraisopropylate as a catalyst and heated to 240 ° C. under nitrogen. After water has been removed, the pressure is gradually reduced to 1 mbar.
  • caprolactam 256.6 g of caprolactam, 66.0 g of adipic acid, 20.4 g of 1,4-butanediol, 108.0 g of polyethylene glycol (PEG 400, from BASF) and 3.03 g of trimethylolpropane are used with titanium tetraisopropylate as a catalyst under nitrogen heated to 250 ° C. With easing the distillation rate is slowly applied to a water jet vacuum, followed by an oil pump vacuum (approx. 1 mbar). It is polycondensed at this temperature for 3 h and cooled.
  • PEG 400 polyethylene glycol
  • an oil pump vacuum approximately 1 mbar
  • is obtained 3.0 (1% by weight in m-cresol at 25 ° C).
  • the melting point is 155.4 ° C, the crystallization temperature 92.9 ° C (DS C measurements).
  • caprolactam 253 g of adipic acid, 156 g of 1,4-butanediol and 1,380 g of PEG 400 are heated to 250 ° C. in trimethylolpropane using titanium tetraisopropylate as a catalyst under nitrogen.
  • water jet vacuum is slowly applied, followed by an oil pump vacuum (approx. 1 mbar). It is polycondensed at this temperature for 3 h and cooled.
  • a high molecular weight polymer with ⁇ re ⁇ 3.0 (1% by weight in m-cresol at 25 ° C.) is obtained.
  • the melting point is 118J ° C, the crystallization temperature 73.3 ° C (according to DSC).
  • a high molecular weight polymer with ⁇ re j 2.8 (1% by weight in m-cresol at 25 ° C.) is obtained.
  • the melting point is 118J ° C, the crystallization temperature 41.4 ° C (DSC measurements).
  • Example 1 420
  • Example 2 1120
  • Example 3 780
  • Example 4 920 Comparative example: 210

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)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Polyamides (AREA)

Abstract

L'invention concerne des polyétheresteramides présentant un arrangement statistique des segments ester et amide, le constituant alcool se composant de diols monomères et oligomères. L'invention concerne également un procédé pour produire ces polyétheresteramides, ainsi que les articles produits à partir de ceux-ci.
EP98956937A 1997-12-03 1998-11-20 Polyetheresteramides Withdrawn EP1036107A1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE19753532 1997-12-03
DE19753534 1997-12-03
DE1997153534 DE19753534A1 (de) 1997-12-03 1997-12-03 Schnell kristallisierende, biologisch abbaubare Polyesteramide
DE1997153532 DE19753532A1 (de) 1997-12-03 1997-12-03 Polyetheresteramide
PCT/EP1998/007458 WO1999028371A1 (fr) 1997-12-03 1998-11-20 Polyetheresteramides

Publications (1)

Publication Number Publication Date
EP1036107A1 true EP1036107A1 (fr) 2000-09-20

Family

ID=26042113

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98956937A Withdrawn EP1036107A1 (fr) 1997-12-03 1998-11-20 Polyetheresteramides

Country Status (9)

Country Link
US (1) US6344535B1 (fr)
EP (1) EP1036107A1 (fr)
JP (1) JP2001525433A (fr)
KR (1) KR20010032718A (fr)
CN (1) CN1278839A (fr)
AU (1) AU1339699A (fr)
CA (1) CA2312479A1 (fr)
NO (1) NO20002677L (fr)
WO (1) WO1999028371A1 (fr)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11242456B2 (en) 2018-01-23 2022-02-08 Solutia Inc. Interlayers comprising polyesteramide compositions
US11578207B2 (en) 2018-01-23 2023-02-14 Solutia Inc. Interlayers comprising polyesteramide compositions
US11767429B2 (en) 2018-01-23 2023-09-26 Eastman Chemical Company Polyesteramides, processes for the preparation thereof, and polyesteramide compositions
US11845864B2 (en) 2018-01-23 2023-12-19 Solutia Inc. Interlayers comprising polyesteramide compositions

Also Published As

Publication number Publication date
US6344535B1 (en) 2002-02-05
NO20002677D0 (no) 2000-05-25
JP2001525433A (ja) 2001-12-11
CN1278839A (zh) 2001-01-03
AU1339699A (en) 1999-06-16
WO1999028371A1 (fr) 1999-06-10
KR20010032718A (ko) 2001-04-25
CA2312479A1 (fr) 1999-06-10
NO20002677L (no) 2000-05-25

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