WO1999025747A1 - Compositions a base de resine fluoree et de compose imide, leur procede de preparation et leurs utilisations - Google Patents
Compositions a base de resine fluoree et de compose imide, leur procede de preparation et leurs utilisations Download PDFInfo
- Publication number
- WO1999025747A1 WO1999025747A1 PCT/FR1998/002424 FR9802424W WO9925747A1 WO 1999025747 A1 WO1999025747 A1 WO 1999025747A1 FR 9802424 W FR9802424 W FR 9802424W WO 9925747 A1 WO9925747 A1 WO 9925747A1
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- 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
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3412—Heterocyclic compounds having nitrogen in the ring having one nitrogen atom in the ring
- C08K5/3415—Five-membered rings
Definitions
- the present invention relates to the field of polymers and relates to compositions based on fluoropolymer (s) and of compound (s) bearing (s) maleimide and / or nadimide functional groups.
- Homopolymers and fluorinated copolymers are known for their good thermal resistance, their chemical resistance, in particular to solvents, their resistance to weathering and radiation, (UV, etc.), their impermeability to gases and liquids, their quality of electrical insulators. .
- a first field of application for fluoropolymers concerns the manufacture of pipes for conveying hydrocarbons extracted from petroleum deposits located under the sea (offshore) or not (on-shore). Hydrocarbons are generally transported there at high temperatures (of the order of 135 ° C) and under high pressure (for example 70 MPa). During the operation of the installations, acute problems arise of mechanical, thermal and chemical resistance of the materials used. Other requirements are added before or after the service: thus, during their preparation, their installation and / or their removal (unwinding-winding), the pipes can undergo shocks and bending forces and this, sometimes at particularly low temperatures (typically down to -35 ° C). It is also found that the fluoropolymers exhibit swelling on contact with organic solvents and liquid and / or gaseous hydrocarbons and show a non-negligible permeability to gases and liquids under high pressure (greater than 70 MPa).
- a second field of application for fluoropolymers relates to the manufacture of tubes or other hollow bodies, solid parts or molded articles intended for the chemical engineering industry. During the operation of these industrial installations, there are also acute problems of mechanical, thermal and above all chemical resistance of the materials used, to which are added, in certain specific cases, requirements of thermomechanical stability and / or creep resistance. .
- the usual solutions are of two types.
- One consists in dispersing fillers with a high elastic modulus and thermally stable at concentrations of several% by weight, such as carbon black, glass fibers or carbon.
- the second described in particular in patent DE 2,116,847, consists in modifying the crystalline morphology of fluorinated polymers by adding nucleating agents at very low concentration in the form of mineral or organic compounds, capable of increasing the melting temperature and the crystallinity rate.
- the main drawback of these two solutions is the difficulty of obtaining a fine and homogeneous dispersion of the additives by the usual methods of transformation of thermoplastics, in particular, because of the poor compatibility of the various additives with the matrices based on fluorinated polymers. or the sometimes considerable increase in viscosity resulting from the addition of fillers.
- the present invention proposes to solve the technical problems linked to the swelling of fluorinated polymers in contact with hydrocarbons and organic substances, in particular under extreme conditions of temperature and / or pressure and relates to compositions capable of being obtained according to a process which comprises mixing 100 parts by weight of at least one fluorine-containing resin and from 1 to 70 parts by weight of at least one compound bearing maleimide and / or nadimide functional groups, the fluorine-containing resin (s) being found molten state during the mixing step.
- These compositions have the additional advantage of being easy to process and transform because they only use techniques specific to thermoplastic resins and have a fine and regular morphology.
- the fluorinated polymers or resins of the compositions according to the invention are chosen from vinylidene fluoride (VF2) homopolymers and copolymers of VF2 containing at least 50% by weight of VF2 and at least one other fluorinated monomer such as chlorotrifluoroethylene (CTFE), hexafluoropropylene (HFP), trifluoroethylene (VF3), tetrafluoroethylene (TFE).
- CTFE chlorotrifluoroethylene
- HFP hexafluoropropylene
- VF3 trifluoroethylene
- TFE tetrafluoroethylene
- imide compounds - can be represented by one or other of the structures (I) and (II) (III) and (IV) following
- Rj and R2 signify independently of each other, hydrogen or a linear or branched C-
- C7-C18 alkaryl i preferably hydrogen or a linear or branched C-
- R signifies hydrogen or a linear or branched C1-C24 alkyl residue, a C5-C12 cycloalkyl residue, C6-C24 aryl, C4-C24 heteroaryl, C7-C24 aralkyl, C7-C24 alkaryl ; in particular hydrogen or -alkyl C-
- C7-C18 alkaryl preferably hydrogen or a linear or branched C-
- C7-C18 alkaryl especially hydrogen or an alkyl radical in C
- An intermediate compound is generally obtained which contains amide-acid or alternatively orthoamide-acid groups and which leads to the maleimide compound by dehydration carried out chemically or thermally.
- patent GB 2018 253 relates to a process for manufacturing maleimides
- nadimide compounds of general formula (II) or (IV) can be synthesized according to the processes for the preparation of the N-substituted norbomenecarboximides described in patent application JP 01290660 A2, starting from a primary amine R-NH2 or H2N-X -NH2.
- imide compounds also means mixtures of the imide compounds described above with each other and / or with co-reactants such as amino or polyamine compounds aliphatic, cycloaliphatic, arylaliphatic, heteroaromatic or aromatic, olefinic or polyolefinic compounds in particular bisdienes, bisallyles, bisallylphenols or bisvinylbenzenes; acetylenic or polyacetylenic compounds, epoxidized or polyepoxidized compounds, compounds of cyanate or polycyanate type, initiators of radical chain polymerization, inorganic or organic, such as persulfates, peroxides or azo derivatives.
- co-reactants such as amino or polyamine compounds aliphatic, cycloaliphatic, arylaliphatic, heteroaromatic or aromatic, olefinic or polyolefinic compounds in particular bisdienes, bisallyles, bisallylphenols or bisvinylbenzenes; acetylenic or poly
- compositions according to the invention which comprise from 1 to 10 parts by weight of imide compounds and preferably between 3 and 5 parts by weight per 100 parts by weight of fluorinated resin (s) present, relative to the fluorinated resins alone, in addition to excellent resistance to swelling in contact with hydrocarbons and organic substances, improved flexibility and resilience and therefore deformation at the flow threshold and resistance to cold shock and higher ambient temperature.
- fluorinated resin s
- Such compositions advantageously replace the plasticized fluorinated resins insofar as the exudation of the imide compound or compounds is very low, which is particularly favorable when these compositions are used in the first field of application mentioned above.
- the melting temperature and the enthalpy of fusion of the fluoropolymer (s) in the composition are not significantly affected by the incorporation of the imide compounds.
- compositions according to the invention which comprise from 10 to 70 parts by weight of imide compounds, preferably between 10 and 30 parts by weight per 100 parts by weight of fluorinated resin (s) present, relative to the fluorinated resins alone, in addition to the excellent swelling resistance mentioned above, an improved creep resistance and thermomechanical stability and therefore a softening temperature under load and a higher elastic modulus.
- fluorinated resin preferably between 10 and 30 parts by weight per 100 parts by weight of fluorinated resin (s) present, relative to the fluorinated resins alone, in addition to the excellent swelling resistance mentioned above, an improved creep resistance and thermomechanical stability and therefore a softening temperature under load and a higher elastic modulus.
- Such compositions therefore advantageously replace fluorinated resins in which fillers with a high elastic modulus (carbon black, carbon or glass fibers, etc.) have been dispersed insofar as they do not require stringent processing conditions.
- compositions also advantageously replace fluorinated resins to which mineral or organic nucleating agents have been added which are difficult to disperse and which are not very effective with regard to creep resistance or thermomechanical stability.
- These compositions with improved mechanical performance are particularly suitable for producing materials which can be used in the second field of application mentioned above.
- compositions according to the invention can also contain various additives and / or fillers and / or dyes and / or pigments, organic or inorganic, macromolecular or not, well known in the literature.
- fillers By way of nonlimiting examples of fillers, mention may be made of mica, alumina, talc, carbon black, glass fibers, carbon fibers, macromolecular compounds.
- additives there may be mentioned anti-UV agents, flame retardants, transformation agents or processing aids.
- the sum of these additives and various fillers generally represents less than 20% of the total weight of the composition in which they are incorporated.
- compositions according to the invention can be prepared by mixing in the melted state the fluorinated resins and the imide compounds - initially in the form of powders, granules, solutions - in an extruder, a roller mixer or any type of apparatus. suitable mixing. It is also possible to mix a solution or a latex of fluorinated resins, with the imide compounds in the form of powder or solution.
- the optional additives can be incorporated into the compositions, either during the mixing of the fluorinated resins and the imide additives, or before this step by mixing with one or other of the constituents, or after this step according to the techniques set out more high.
- compositions according to the invention can also be subjected to heat treatments at temperatures above 200 ° C. and / or to prolonged mixings in the molten state, for example successive passages in an extruder, so as to further improve the properties of said compositions. compositions.
- compositions according to the invention can be used for the production of articles, such as pipes, hollow containers, plates, laminates, mono- or multi-materials intended for the transport and / or storage of hot fluids in particular of hydrocarbons possibly under pressure.
- articles such as pipes, hollow containers, plates, laminates, mono- or multi-materials intended for the transport and / or storage of hot fluids in particular of hydrocarbons possibly under pressure.
- in the offshore and on shore petroleum sector in the chemical engineering field for parts in contact with corrosive and / or abrasive fluids as well as for the production of chimneys and chimney flues for boilers.
- They can also be used for the production of multilayer materials in the form of plates, films, etc. prepared for example by coextrusion, plaxing or bonding in solution or else as a coating of various substrates (based on resins, metals, wood and / or laminates or laminates) prepared for example by coating, coating or by casting.
- These materials can be advantageously used in the field of construction and building; by way of example, mention may be made of coextruded sheets for cladding, cables or deck stays protected by an external layer based on a composition according to the invention.
- They can be advantageously used in the field of bodywork parts for vehicles, in particular automobiles, for household appliances, etc. ; by way of example, mention may be made of ABS parts covered with a film based on a composition according to the invention. Examples
- Table 1 shows the trade name and the hot melt index (MFI) of fluorinated resins ⁇ measured according to ISO 1133 at 230 ° C under a load of 5 kg; resins ⁇ , ⁇ , ⁇ and ⁇ are homopolymers of VF2; resin ⁇ is a copolymer of VF2 and 8% by weight of C2F3CI; the resin ⁇ is a copolymer of VF2 and 5% by weight of C3F6.
- MFI hot melt index
- compositions comprising less than 10 parts of imide compounds per 100 parts of fluorinated resins
- the immersed test pieces are of the ASTM D 1708 type and are obtained by cutting with a punch in 0.7 mm thick molded plates.
- the weight variation ( ⁇ p) of each sample is also calculated before and after immersion.
- the strain at the tensile flow threshold ⁇ y is measured, the strain at the threshold ⁇ y as well as the tensile strain at break ⁇ r in accordance with standard ASTM D 638.
- test pieces consisting of fluorinated resin ⁇ or ⁇ not containing BMI-DMA as well as on the compositions containing 10 parts by weight of BMI-DMA described above and which have been annealed at 230 °. C for 2 h at a pressure of 3
- the enthalpy of fusion ⁇ Hf, the melting temperatures Tf and of crystallization Te are determined by calorimetric analysis using a DUPONT 2200 calorimeter. A first passage from ambient temperature to 190 ° C. with a rise in temperature of 10 ° C / min is carried out followed by a second pass from 100 to 180 ° C with a temperature rise of 5 ° C / min after which the measurements are carried out.
- the Vicat Tv softening temperature of different compositions is measured according to ISO standard 306-87 on test pieces of dimensions 12 * 12 * 3 mm 3 (Table 3).
- the strain at the tensile flow threshold ⁇ y, the stress at the threshold ⁇ y and the tensile stress at break ⁇ r are measured in accordance with ASTM D 638 on test pieces prepared according to ASTM D 10708: thickness films 0.3 mm (table 4) and 3 mm thick plates (table 5).
- the IZOD impact resistance with notch (fracture energies ⁇ E at 23 ° C and -30 ° C respectively) is measured according to ISO standard 180-1982 on injected test pieces (Table 6).
- Table 6 The IZOD impact resistance with notch (fracture energies ⁇ E at 23 ° C and -30 ° C respectively) is measured according to ISO standard 180-1982 on injected test pieces (Table 6).
- the thermal stability of the compositions is assessed by tensile tests carried out according to standard ASTM D-638 on test pieces prepared according to standard ASTM D 10708 from granules of said compositions which have been aged for 500 h at 150 ° C. under air.
- the results of Table 7 were obtained with test pieces cut from 0.3 mm thick films and those of Table 8 with test pieces cut from 3 mm thick plates.
- the mass loss of the granules of the compositions A2E ⁇ and B2E ⁇ after aging is respectively 0.25% and 0.3%.
- compositions comprising more than 10 parts of imide compounds per 100 parts of fluorinated resins
- the Vicat Tv softening temperature is measured for extruded compositions and for compression molded X1M ⁇ compositions which have undergone any subsequent heat treatment at 260 ° C. at pressures and variable durations indicated in table 9.
- the elastic modulus in tension E is measured on 0.3 mm thick test pieces prepared according to standard ASTM D10708 from films obtained from X1S ⁇ solutions heated to 250 ° C. for variable durations indicated in table 10.
- compositions containing 12 parts by weight of BMI-DMA per 100 parts by weight of fluorinated resin ⁇ are repeatedly extruded under extrusion conditions identical to those of compositions X1E ⁇ .
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98955650A EP1034195A1 (fr) | 1997-11-19 | 1998-11-13 | Compositions a base de resine fluoree et de compose imide, leur procede de preparation et leurs utilisations |
AU12415/99A AU1241599A (en) | 1997-11-19 | 1998-11-13 | Compositions based on fluorinated resin and imide compound, preparation method and uses |
BR9814683-1A BR9814683A (pt) | 1997-11-19 | 1998-11-13 | Composições à base de resina fluorada e de composto imida, seu processo de preparação e suas utilizações |
JP2000521126A JP2001523739A (ja) | 1997-11-19 | 1998-11-13 | フッ化樹脂とイミド化合物とをベースにした組成物と、その製造方法および使用 |
NO20002554A NO20002554D0 (no) | 1997-11-19 | 2000-05-18 | Preparater pÕ basis av fluorert harpiks og imidforbindelse, fremstilling og anvendelse derav |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR97/14489 | 1997-11-19 | ||
FR9714489A FR2771097B1 (fr) | 1997-11-19 | 1997-11-19 | Compositions a base de resine fluoree et de compose imide leur procede de preparation et leurs utilisations |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999025747A1 true WO1999025747A1 (fr) | 1999-05-27 |
Family
ID=9513527
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR1998/002424 WO1999025747A1 (fr) | 1997-11-19 | 1998-11-13 | Compositions a base de resine fluoree et de compose imide, leur procede de preparation et leurs utilisations |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1034195A1 (fr) |
JP (1) | JP2001523739A (fr) |
AU (1) | AU1241599A (fr) |
BR (1) | BR9814683A (fr) |
FR (1) | FR2771097B1 (fr) |
NO (1) | NO20002554D0 (fr) |
WO (1) | WO1999025747A1 (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2849046A1 (fr) * | 2002-12-24 | 2004-06-25 | Atofina | Composition a base de pvdf heterogene et de bisimide aromatique reticulable par des radiations ionisantes |
CN104277386A (zh) * | 2014-09-24 | 2015-01-14 | 东莞市长安东阳光铝业研发有限公司 | 一种膜电容器用聚偏氟乙烯薄膜 |
WO2015028765A1 (fr) | 2013-09-02 | 2015-03-05 | Arkema France | Procede de preparation d'une composition de polymeres fluores reticules |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63159446A (ja) * | 1986-12-22 | 1988-07-02 | Sekisui Chem Co Ltd | 変性ポリフツ化ビニリデン成形体およびその製造方法 |
EP0373973A2 (fr) * | 1988-12-16 | 1990-06-20 | AUSIMONT S.p.A. | Additifs pour le durcissement de fluoroélastomères contenant de l'iode ou du brome |
JPH0725954A (ja) * | 1993-07-09 | 1995-01-27 | Asahi Glass Co Ltd | 接着性弗素ゴムおよびそれを用いた積層体 |
-
1997
- 1997-11-19 FR FR9714489A patent/FR2771097B1/fr not_active Expired - Fee Related
-
1998
- 1998-11-13 AU AU12415/99A patent/AU1241599A/en not_active Abandoned
- 1998-11-13 WO PCT/FR1998/002424 patent/WO1999025747A1/fr not_active Application Discontinuation
- 1998-11-13 EP EP98955650A patent/EP1034195A1/fr not_active Withdrawn
- 1998-11-13 JP JP2000521126A patent/JP2001523739A/ja not_active Withdrawn
- 1998-11-13 BR BR9814683-1A patent/BR9814683A/pt not_active IP Right Cessation
-
2000
- 2000-05-18 NO NO20002554A patent/NO20002554D0/no not_active Application Discontinuation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63159446A (ja) * | 1986-12-22 | 1988-07-02 | Sekisui Chem Co Ltd | 変性ポリフツ化ビニリデン成形体およびその製造方法 |
EP0373973A2 (fr) * | 1988-12-16 | 1990-06-20 | AUSIMONT S.p.A. | Additifs pour le durcissement de fluoroélastomères contenant de l'iode ou du brome |
JPH0725954A (ja) * | 1993-07-09 | 1995-01-27 | Asahi Glass Co Ltd | 接着性弗素ゴムおよびそれを用いた積層体 |
Non-Patent Citations (2)
Title |
---|
CHEMICAL ABSTRACTS, vol. 110, no. 14, 3 April 1989, Columbus, Ohio, US; abstract no. 115965, XP002093665 * |
CHEMICAL ABSTRACTS, vol. 123, no. 10, 4 September 1995, Columbus, Ohio, US; abstract no. 114985, XP002070743 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2849046A1 (fr) * | 2002-12-24 | 2004-06-25 | Atofina | Composition a base de pvdf heterogene et de bisimide aromatique reticulable par des radiations ionisantes |
EP1433813A1 (fr) * | 2002-12-24 | 2004-06-30 | Atofina | Composition à base de PVDF hétérogène et de bisimide aromatique réticulable par des radiations ionisantes |
WO2015028765A1 (fr) | 2013-09-02 | 2015-03-05 | Arkema France | Procede de preparation d'une composition de polymeres fluores reticules |
CN104277386A (zh) * | 2014-09-24 | 2015-01-14 | 东莞市长安东阳光铝业研发有限公司 | 一种膜电容器用聚偏氟乙烯薄膜 |
Also Published As
Publication number | Publication date |
---|---|
NO20002554L (no) | 2000-05-18 |
NO20002554D0 (no) | 2000-05-18 |
EP1034195A1 (fr) | 2000-09-13 |
FR2771097A1 (fr) | 1999-05-21 |
AU1241599A (en) | 1999-06-07 |
FR2771097B1 (fr) | 2000-01-14 |
BR9814683A (pt) | 2000-10-03 |
JP2001523739A (ja) | 2001-11-27 |
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