EP0386088A1 - Nouveaux copolymeres bloc polyamide-polyamide, polyamide-polyamideimide et polyamide-polyimide solubles et/ou fusibles - Google Patents

Nouveaux copolymeres bloc polyamide-polyamide, polyamide-polyamideimide et polyamide-polyimide solubles et/ou fusibles

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Publication number
EP0386088A1
EP0386088A1 EP88910006A EP88910006A EP0386088A1 EP 0386088 A1 EP0386088 A1 EP 0386088A1 EP 88910006 A EP88910006 A EP 88910006A EP 88910006 A EP88910006 A EP 88910006A EP 0386088 A1 EP0386088 A1 EP 0386088A1
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EP
European Patent Office
Prior art keywords
polyamide
block copolymers
general formula
acid
case
Prior art date
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Pending
Application number
EP88910006A
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German (de)
English (en)
Inventor
Gerd Greber
Heinrich Gruber
Marcel Sychra
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Chemie Linz GmbH
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Chemie Linz GmbH
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Application filed by Chemie Linz GmbH filed Critical Chemie Linz GmbH
Publication of EP0386088A1 publication Critical patent/EP0386088A1/fr
Pending legal-status Critical Current

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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
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C08G73/14—Polyamide-imides
    • 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
    • C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
    • C08G69/32—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids from aromatic diamines and aromatic dicarboxylic acids with both amino and carboxylic groups aromatically bound
    • 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
    • C08G81/00—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers

Definitions

  • New soluble and / or meltable polyamide-polyamide, polyamide-polyamide-imide and polyamide-polyimide block copolymers are used as meltable polyamide-polyamide, polyamide-polyamide-imide and polyamide-polyimide block copolymers.
  • the invention describes new soluble and / or meltable polyamide-polyamide, polyamide-polyamideimide and polyamide-polyimide block copolymers and processes for their production.
  • thermostable polymers are the fully aromatic polyimides, polyamideimides and polyamides.
  • the polyimides in particular have extreme thermal stabilities, but are neither meltable nor soluble and are therefore difficult and expensive to process.
  • aromatic polyamides based on aromatic diamines and aromatic dicarboxylic acids such as.
  • B. poly-p-phenylene terephthalamide, poly-m-phenylene isophthalamide or poly-p-benzamide are characterized by excellent thermal stability, but are also not fusible, so that they can not be processed thermoplastic. In addition, they are insoluble or only slightly soluble in most organic solvents, which makes processing from solution into fibers or films very difficult.
  • Products with a comparable property profile are the polyamideimides, which are produced, for example, from aromatic tricarboxylic acid monoanhydrides and aromatic diamines (U.S. Patent 3,895,064). They are soluble in polar organic solvents, some have thermoplastic properties, but they are less thermostable than aromatic polyamides.
  • thermostable polymers e.g. B. by changing the chemical structure, for example by statistical incorporation of flexible chain elements (CH 2 -, -O-, -S-, -CO-) or sterically demanding groups, for example in polyamides (US Pat. No. 4,621,134), polyimides (JP-Kokai 1985 - 15228) or polyamide-imides (US Pat. No. 4,724,257) have so far led to a considerable loss in thermal stability.
  • flexible chain elements CH 2 -, -O-, -S-, -CO-
  • sterically demanding groups for example in polyamides (US Pat. No. 4,621,134), polyimides (JP-Kokai 1985 - 15228) or polyamide-imides (US Pat. No. 4,724,257)
  • thermostable polymers which are soluble and / or meltable with high thermal stability and can therefore be processed by conventional methods.
  • the present invention accordingly relates to soluble and / or meltable polyamide-polyamide (PA-PA 1 -), polyamide-polyamide-imide (PA-PAI) or polyamide-polyimide (PA-PI) block copolymers of the general formula I des Formula sheet in which n is an integer from 1 to 200, x is an integer from 1 to 20, R 1 is a divalent aromatic radical, R is the rest of the general formula II of the formula sheet, and
  • X is the radical -NH-
  • Y is the radical -NH-CO-, where in each case N is bound to R and
  • B is a radical of the general formula III of the formula sheet, in which y is an integer from 1 to 20, R 2 is a divalent aromatic radical and R 3 is a divalent aromatic radical other than R,
  • B is the rest of the general formula VI of the formula sheet, in which y is an integer from 0 to 20 and R 3 is R or a divalent aromatic radical and Ar is a tetravalent aromatic radical.
  • the divalent aromatic radicals R 1 and R 2 are derived from two identical or different aromatic dicarboxylic acids, so that they are each connected to the rest of the polymer chain via a C bond.
  • the divalent aromatic radicals R and R 3 are derived from two identical or different aromatic diamines, so that they are each connected to the rest of the polymer chain via an N bond. According to the invention, all aromatic radicals are suitable which are derived from the corresponding dicarboxylic acids or their derivatives or the corresponding diamines.
  • R 1 and R 2 are radicals which are derived from terephthalic acid, isophthalic acid, 4,4'-diphenyldicarboxylic acid, 4,4'-diphenyletherdicarboxylic acid, 4,4'-diphenylsulfide dicarboxylic acid, 4,4'-benzophenone dicarboxylic acid, 4,4'- Derive diphenylsulfone dicarboxylic acid, 4,4'-diphenylmethane dicarboxylic acid or 1,5-naphthalenedicarboxylic acid or mixtures thereof.
  • the benzene radical is particularly preferred.
  • R 3 are aromatic radicals which are optionally substituted, for example by alkyl or alkoxy groups or by halogens.
  • R 3 can also consist of several aromatic residues of this type, which are connected to one another either directly or via bridge members. As bridge members come e.g. B.
  • R 3 are the benzene, diphenylmethane and diphenylsulfone radical.
  • tri- or tetravalent aromatic radicals Ar which are derived in particular from the corresponding tri- or tetracarboxylic acids or their derivatives, such as, for example, anhydrides, esters or acid chlorides, and mixtures thereof. Examples of this are residues of aromatics, condensed aromatics, heteroaromatics and their derivatives.
  • Preferred tetravalent Ar radicals are the benzene radical and the benzophenone radical. The benzene radical is preferred as the trivalent radical Ar.
  • the block copolymers according to the invention can be prepared by using a polyamide block of the general formula VII of the formula sheet
  • PA-PA 1 block copolymers with a polyamide block of the general formula VIII of the formula sheet in which y is an integer from 1 to 20 and in which Z is halogen, OH, O-alky or 1 to 6 carbon atoms or Is O-aryl having 6 to 20 C atoms,
  • PA-PAI block copolymers either with a polyamide-amic acid block of the general formula IX of the formula sheet, in which y is an integer from 0 to 20, or with trimellitic acid or its ester, anhydride or anhydride chloride,
  • the blocks according to general formulas VII to X of the formula sheet can be prepared in a manner known per se in strongly polar solvents, such as, for. B. dimethylformamide (DMF), dimethylacetamide (DMA), N-methylpyrrolidone (NMP), dimethyl sulfoxide (DMSO), tetramethylurea or hexamethylphosphoric triamide.
  • the reaction temperature can vary within a wide range depending on the starting materials used and the desired end product. When using the reactive acid chlorides, anhydrides or anhydride chlorides, the temperatures are between -30 and + 30 ° C. With the less reactive acids or acid esters, reaction temperatures up to 150 ° C are required.
  • Polyamide blocks with amino end groups of the general formula VII of the formula sheet can be obtained, for example, by adding an aromatic dicarboxylic acid derivative, e.g. B. Terphthalic acid or isophthalic acid dichloride, with excess diamine of formula XI of the formula sheet, the length of the blocks in a simple manner within wide limits by the predetermined molar ratio of the reactants - d. H. can be varied by the excess of diamine. If dicarboxylic acid dichlorides are used, an acid scavenger, for example triethylamine or pyridine, can be used to remove the HCl formed during the condensation.
  • an aromatic dicarboxylic acid derivative e.g. B. Terphthalic acid or isophthalic acid dichloride
  • Polyamide blocks with carboxylic acid, carboxylic acid halide or carboxylic acid ester end groups of the general formula VIII of the formula sheet can be obtained by reacting a diamine of the general formula XII of the formula sheet with a dicarboxylic acid derivative, e.g. B. with terephthaloyl or isophthaloyl chloride, in excess.
  • a dicarboxylic acid derivative e.g. B. with terephthaloyl or isophthaloyl chloride
  • polyamide acid acid blocks of the general formula IX or polyamide acid blocks of the general formula X of the formula sheet can be reacted with excess tricarboxylic acid or.
  • Tetracarboxylic acid derivative e.g. B. trimellitic anhydride chloride or benzophenonetetracarboxylic acid dianhydride can be obtained.
  • the length of the blocks can also be determined by the predetermined molar ratio of the reaction partners, i. H. through the excess of di
  • the desired molecular weight of the blocks can be determined by end group analysis of the cyclized products after the introduction of halogen - e.g. B. by reacting the blocks according to general formula VII of the formula sheet with 4-chlorobenzaldehyde, or the blocks according to general formula VIII, IX and X of the formula sheet with 4-bromoaniline.
  • Iso- and terephthalic acid derivatives are preferably used for the synthesis of the polyamide blocks according to general formulas VII and VIII of the formula sheet, he said According to the invention, other known aromatic dicarboxylic acids or their organic or inorganic esters, such as, for. B.
  • terephthalic acid isophthalic acid, 4,4'-diphenyldicarboxylic acid, 4,4'-diphenylether dicarboxylic acid, 4,4'-diphenylsulfide dicarboxylic acid, 4,4'-benzophenone dicarboxylic acid, 4,4'-diphenylsulfone dicarboxylic acid, 4,4'-diphenylmethane dicarboxylic acid or 1, 5-naphthalenedicarboxylic acid.
  • Trimellitic anhydride chloride or benzophenonetetracarboxylic acid dianhydride or pyromellitic acid dianhydride are preferably used for the synthesis of the polyamide-amic acid blocks according to general formula IX or the polyamic acid blocks according to general formula X of the formula sheet. According to the invention, however, other trirang known from the chemistry of thermostable polymers. Tetracarboxylic acid derivatives are used, such as. B. the tricarboxylic acid derivatives
  • Phenanthrene-1,8,9,10-tetracarboxylic acid dianhydride Phenanthrene-1,8,9,10-tetracarboxylic acid dianhydride.
  • Portions of the blocks according to general formula VIII, IX and X of the formula sheet with carboxylic acid, carboxylic acid halide or carboxylic acid ester or anhydride end groups can also be used according to the invention to link the blocks according to general formula VII, monomeric tri- and tetracarboxylic acids or their derivatives, e.g. B. trimellitic anhydride chloride or benzophenonetetracarboxylic acid dianhydride.
  • Aromatic diamines of the general formula XII of the formula sheet are compounds in which R 3 represents one or more aromatic radicals which are bonded to one another directly or via bridge members and which are optionally further substituted, for example by alkyl or alkoxy groups or by halogen atoms.
  • the block copolymers of the general formula I of the formula sheet according to the invention are preferably synthesized by mixing stoichiometric amounts of the polyamide blocks of the general formula VII dissolved in polar solvents of the formula sheet with solutions of the polyamide blocks according to general formula VIII, or polyamide amic acid blocks according to general formula IX or polyamic acid blocks according to general formula X of the formula sheet, stirring until the inherent viscosity reaches a certain value or a maximum has reached and the polycondensation or polyaddition has ended.
  • the viscosities achieved are between 0.1 and 4.0 dl / g (0.5%, 25 ° C).
  • the achievement of sufficient viscosities - i.e. molecular weights - depends on the exact stoichiometry of the reactive groups and thus on the degree of purity of the components used.
  • the reaction temperatures are between -30 and + 30 ° C, preferably -10 to + 10 ° C.
  • the concentration of the reactants is expediently kept between 10 and 40%, for higher concentrations the necessary mixing and cooling can be a limit.
  • polyamide blocks of the general formula VII of the formula sheet can be reacted with the blocks of the general formulas VIII, IX or X of the formula sheet, preferably without being isolated from their reaction mixture, to give the desired block copolymers, the equivalence of the functional groups being increased in the batch is taken into account.
  • PA-PA 1 - or PA-PAAS) or polyamide-polyamic acid (PA-PAS -) block copolymers can be converted into films and fibers in a known manner.
  • PA-PAAS or PA-PAS block copolymers can be cyclized, for example, thermally with elimination of water to PA-PAI or PA-PI block copolymers, in the end temperatures of up to about 300 ° C. may be necessary for quantitative cyclization.
  • the PA-PAI or PA-PI block copolymers are to be isolated in powder form - for example as molding powder for thermoplastic molding - then cyclized for example, chemically with the help of water-absorbing agendas such. B. acetic anhydride, optionally in the presence of pyridine or other bases.
  • the PA-PAI or PA-PI block copolymers thus obtained can now either be thermoformed under pressure or dissolved in polar solvents. Films, fibers and laminates can be produced from such solutions, the major advantage being that after the solvent has been removed, the cyclized polyimides and polyamideimides are already present. It is therefore no longer necessary to split off water, which is particularly important for laminations.
  • thermostabilities of the PA-PA 1 , PA-PAI and PA-PI block copolymers according to the invention are, depending on the composition, 450 to 505 ° C., measured in air by means of thermogravimetric analysis (TGA) at a heating rate of 10 ° C./min ( 5% weight loss).
  • the block copolymers also have excellent mechanical properties (tensile strength approx. 75 to 106 MPa, modulus of elasticity approx. 1.9 to 2.6 GPa, elongation at break approx. 6 to 14%). They are soluble in the above-mentioned polar solvents in concentrations up to about 30% by weight and can be thermoplastic deformed under pressure.
  • PA-PI-BCP polyamide-polyimide block copolymer
  • IPDCl isophthaloyl dichloride
  • BDS 4,4'-bis (4-amophenylthio) diphenyl sulfone
  • the apparatus consisting of a 100 ml three-necked flask with mechanical stirrer, dropping funnel, drying tube and nitrogen inlet, is flamed out in a dry nitrogen stream.
  • the diamine (BDS) is dissolved in 35 ml of DMA under nitrogen and cooled to about -10 ° C. with ice / NaCl.
  • IPDCl is added all at once to this cooled reaction mixture, rinsed with residual DMA, stirred for 2 hours at -10 ° C. and for 2 hours at room temperature.
  • the triethylamine in 5 ml of DMA is then added dropwise at about 10 ° C. to trap the HCl formed, the reaction mixture is stirred for 3 hours at room temperature and then stored in the freezer at ⁇ 15 ° C. overnight.
  • the precipitated triethylamine hydrochloride is filtered off under nitrogen using a reverse frit and washed three times with a total of 10 ml of DMA.
  • a solution of an oligomeric diamine with an inherent viscosity of 0.17 dl / g (0.5% in DMA, 25 ° C.) is obtained.
  • DMA BTDA is suspended in 15 ml of DMA under nitrogen. MDA, dissolved in 15 ml of DMA, is then added dropwise with stirring at 5-20 ° C., the BTDA slowly dissolving. After stirring for one hour at room temperature, a solution of a polyamic acid with an inherent viscosity of 0.14 dl / g (0.5% in DMA, 25 ° C.) is obtained.
  • the solution of the oligomeric diamine obtained according to Example la is added dropwise to the solution of the polyamic acid with the anhydride end groups obtained according to Example 1b under nitrogen within 20 minutes at 5 ° C. After 20 hours of stirring at room temperature, a solution of the polyamide-polyamic acid block copolymer with an inherent viscosity of 0.47 dl / g (0.5% in DMA, 25 ° C.) is obtained, either thermally or chemically to give a polyamide-polyimide -Block copolymer can be cyclized.
  • the concentration of the polyamide-polyamic acid block copolymer obtained according to Example 1c is increased to approx. 30% by weight, which can be achieved either by working in a correspondingly concentrated manner or by concentrating the PA-PAS-BCP solution obtained, the polymer solution obtained can then be used directly Foil production can be used.
  • the polymer solution is applied to a cleaned glass plate using a film puller (0.5 mm gap height).
  • the thermal transfer of the PA-PAS-BCP into the PA-PI-BCP takes place, for example, according to the following temperature program in a vacuum:
  • the oligomeric diamines, polyamic acid blocks, polyamide-polyamic acid block copolymers and films or molding powder obtained from the polyamide-polyimide block copolymers are obtained analogously to the working instructions given in Examples 1 a to 2.
  • PA-PAI-BCP polyamide-polyamideimide block copolymer
  • BDS 4,4'-bis (4-aminophenylthio) diphenyisulfone
  • IPDCl isophthalic acid dichloride
  • TMAC1 trimellitic anhydride chloride
  • MDA is dissolved in 25 ml of DMA under nitrogen and TMACl is added in portions in solid form with stirring at about -15 ° C.
  • TMACl is added in portions in solid form with stirring at about -15 ° C.
  • the triethylamine in 8 ml of DMA is added dropwise at 5 - 10 ° C, stirred for three hours at room temperature and then stored in the freezer at approx. -15 ° C overnight .
  • the precipitated triathylamine hydrochloride is filtered off under nitrogen using a reverse frit and washed with a total of 10 ml of DMA.
  • a solution of a polyamide-amic acid with an inherent viscosity of 0.19 dl / g (0.5% in DMA, 25 ° C.) is obtained.
  • PA-PA-BCP polyamide-polyamide block copolymer
  • TPDCl 4,4'-bis (4-aminophenylthio) diphenyl sulfone
  • the apparatus consisting of a 100 ml three-necked flask with mechanical stirrer, dropping funnel, drying tube and nitrogen inlet, is flamed out in a stream of dry nitrogen.
  • the diamine (BDS) is dissolved under nitrogen in 15 ml of the solvent mixture of DMA and HMP and cooled to about -10 ° C. with ice / NaCl.
  • TPDC1 is added all at once to this cooled reaction mixture, rinsed with the remaining solvent mixture of DMA and HMP, stirred for 2 hours at -10 ° C. and 2 hours at room temperature.
  • the triethylamine in 5 ml of DMA is then added dropwise at about 10 ° C. to trap the HCl formed and the reaction mixture is stirred at room temperature for 1 hour.
  • the precipitated triathylamine hydrochloride is filtered off under nitrogen using a reverse frit and washed three times with a total of 10 ml of DMA.
  • a solution of an oligomeric diamine with an inherent viscosity of 0.24 dl / g (0.5% in DMA, 25 ° C.) is obtained.
  • IPDCl isophthalic acid dichloride
  • MDA 4,4'-methylenedianiline
  • the apparatus consisting of a 100 ml three-necked flask with mechanical stirrer, dropping funnel, drying tube and nitrogen inlet, is flamed out in a dry nitrogen stream.
  • IPDCl is dissolved in 10 ml of DMA under nitrogen and cooled to about -10 ° C. with ice / NaCl.
  • the diamine (MDA) dissolved in 20 ml of DMA, is added dropwise to this cooled reaction mixture for about 10 minutes and then kept at -10 ° C. for a further 15 minutes and at room temperature for 30 minutes.
  • a solution of an oligomeric dicarboxylic acid chloride is obtained, which is used directly for further polycondensation.
  • the solution of the oligomeric diamine obtained according to Example 5a) is added dropwise to the solution of the oligomeric dicarboxylic acid chloride obtained in Example 5b) under nitrogen at 5 ° C. within 20 minutes. After 3 hours of stirring at room temperature, the reaction mixture is cooled to about 5 ° C., dripped in 5 ml of DMA to trap the HCl triethylamine formed, and the reaction mixture is stirred further at room temperature overnight. The viscous polymer solution is poured into 300 ml of hot water with vigorous stirring, the precipitated, comminuted PA-PA-BCP is washed several times with water and then with acetone and dried to constant weight at 80 ° C. in a vacuum drying cabinet. d) Production of a film from the PA-PA-BCP obtained according to Example 5c)
  • TPDCl 4,4'-bis (4-aminophenylthio) diphenyl sulfone
  • the viscous solution obtained is poured into 300 ml of hot water, filtered off, washed with water and acetone and dried in a vacuum drying cabinet at 70 ° C. with constant weight.
  • An oligomeric diamine with an inherent viscosity of 0.10 dl / g (0.5% in conc. H 2 SO 4 , 25 ° C.) is obtained.
  • the apparatus consisting of a 50 ml three-necked flask with mechanical stirrer, dropping funnel, drying tube and nitrogen inlet, is flamed out in a dry nitrogen stream.
  • the oligodiamine (from Example 9a) is dissolved in 20 ml of the solvent mixture of DMA and HMP dissolved and cooled to approx. 10 ° C.
  • BTDA is added all at once to this cooled reaction mixture, rinsed with the remaining solvent mixture of DMA and HMP and stirred for 30 hours at room temperature.
  • a polyamic acid with an inherent viscosity of 0.45 dl / g (0.5% in DMA, 25 ° C.) is obtained, which was cyclized chemically or thermally to the polyimide analogously to Example 1d) and e).
  • oligomeric diamines, polyamic acids and polyimides given in Tables 1 and 2 are obtained analogously to the working instructions given in Examples 9a) and b).
  • IPDCl Isophthaloyl Dichloride
  • BDS 4,4'-Bis (4-aminophenylthio) diphenylsulfone
  • the apparatus consisting of a 250 ml three-necked flask with mechanical stirrer, dropping funnel, drying tube and nitrogen inlet, is flamed out in a dry nitrogen stream.
  • the diamine (BDS) is dissolved in 60 ml of DMA under nitrogen and cooled to about -10 ° C. with ice / NaCl.
  • IPDCI is added all at once to this cooled reaction mixture, rinsed with residual DMA, stirred for 2 hours at -10 ° C. and for 2 hours at room temperature.
  • the viscous reaction mixture obtained is poured into 500 ml of hot water, filtered off, washed with water and acetone and dried in a vacuum drying cabinet at 70 ° C. with constant weight.
  • the apparatus consisting of a 50 ml three-necked flask with mechanical stirrer, dropping funnel, drying tube and nitrogen inlet, is flamed out in a dry nitrogen stream.
  • the oligodiamine from Example 12a) is dissolved in 20 ml of DMA under nitrogen and cooled to about -15 ° C. At this temperature, TMACl is added in portions in solid form within 10 minutes. After stirring for one hour at -5 ° C and stirring for 9 hours at room temperature, the triethylamine in 8 ml of DMA is added dropwise at 5 - 10 ° C, stirred for three hours at room temperature and then stored in the freezer at approx. -15 ° C overnight .
  • Example 13 The precipitated triathylamine hydrochloride is filtered off under nitrogen using a reverse frit and washed with a total of 10 ml of DMA. A solution of a polyamide-amic acid with an inherent viscosity of 0.39 dl / g (0.5% in DMA, 25 ° C.) is obtained, which was cyclized chemically or thermally to the polyamide-imide analogously to Example 1d) and e).
  • Example 13 Example 13:
  • Table 1 shows the composition and the calculated molecular weight of blocks A (with amino end groups) and B (with acid end groups), the molar ratio of the constituents forming these blocks, and the inherent viscosity of the as yet uncyclized polymers obtained by reacting A and B .
  • monomeric acid derivatives were used instead of the oligomeric blocks B.
  • Table 2 summarizes the properties of the cyclized polymers obtained therefrom.
  • IPDCl isophthalic acid dichloride
  • Block A (Molverh.)
  • MGth Block B (Molverh.)
  • MGth Polymer visc

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  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
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  • Organic Chemistry (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Polyamides (AREA)

Abstract

Copolymères bloc polyamide-polyamide (PA-PA1), polyamide-polyamideimide (PA-PAI) ou polyamide-polyimide (PA-PI) de formule générale (I) dans laquelle n est un entier valant de 1 à 200, x est un entier valant de 1 à 20, R1 est un résidu aromatique bivalent, R représente le résidu de formule générale (II), ainsi que a) dans le cas des copolymères bloc PA-PA1, X représente le résidu -NH-, Y le résidu -NH-CO-, N étant respectivement lié à R, et B représente un résidu de formule générale (III), où y est un entier valant de 1 à 20, R2 est un résidu aromatique bivalent et R3 est un résidu aromatique bivalent différent de R; b) dans le cas des copolymères bloc PA-PAI, soit X est le résidu = N-, Y le résidu -NH- et B le résidu de formule générale (IV), où Ar représente un résidu aromatique trivalent, soit X et Y représentent le résidu = N- et B le résidu de formule générale (V), où y représente un entier valant de 0 à 20 et R3 représente R ou un résidu aromatique bivalent, et Ar a la notation précitée; c) dans le cas des copolymères bloc PA-PI, X et Y représentent le résidu = N- et B le résidu de formule générale (VI), où y est un entier valant de 0 à 20 et R3 représente R ou un résidu aromatique bivalent, et Ar un résidu aromatique tétravalent. Est également décrit un procédé pour leur fabrication.
EP88910006A 1987-11-12 1988-11-10 Nouveaux copolymeres bloc polyamide-polyamide, polyamide-polyamideimide et polyamide-polyimide solubles et/ou fusibles Pending EP0386088A1 (fr)

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DE19873738458 DE3738458A1 (de) 1987-11-12 1987-11-12 Neue loesliche und/oder schmelzbare polyamid-polyamid-, polyamid-polyamidimid- und polyamid-polyimid-blockcopolymere
DE3738458 1987-11-12

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EP0386088A1 true EP0386088A1 (fr) 1990-09-12

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EP88118752A Expired - Lifetime EP0315993B1 (fr) 1987-11-12 1988-11-10 Copolymères séquensés solubles et/ou fusibles du type polyamide-polyamide, polyamide-polyamideimide et polyamide-polyimide
EP88910006A Pending EP0386088A1 (fr) 1987-11-12 1988-11-10 Nouveaux copolymeres bloc polyamide-polyamide, polyamide-polyamideimide et polyamide-polyimide solubles et/ou fusibles

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EP (2) EP0315993B1 (fr)
JP (1) JPH03500786A (fr)
AT (1) ATE74369T1 (fr)
DE (2) DE3738458A1 (fr)
ES (1) ES2031983T3 (fr)
GR (1) GR3004242T3 (fr)
WO (1) WO1989004337A1 (fr)

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JP2744443B2 (ja) * 1988-10-18 1998-04-28 ダイセル・ヒュルス株式会社 粉体塗装用樹脂組成物
US5212258A (en) * 1991-10-29 1993-05-18 E. I Du Pont De Nemours And Company Aramid block copolymers
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GR3004242T3 (fr) 1993-03-31
WO1989004337A1 (fr) 1989-05-18
ATE74369T1 (de) 1992-04-15
JPH03500786A (ja) 1991-02-21
ES2031983T3 (es) 1993-01-01
EP0315993B1 (fr) 1992-04-01
DE3869738D1 (de) 1992-05-07
DE3738458A1 (de) 1989-05-24
EP0315993A1 (fr) 1989-05-17

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