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WO2007083290A2 - Polyéthersulfones protégées contre les ultraviolets - Google Patents

Polyéthersulfones protégées contre les ultraviolets Download PDF

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Publication number
WO2007083290A2
WO2007083290A2 PCT/IL2006/000073 IL2006000073W WO2007083290A2 WO 2007083290 A2 WO2007083290 A2 WO 2007083290A2 IL 2006000073 W IL2006000073 W IL 2006000073W WO 2007083290 A2 WO2007083290 A2 WO 2007083290A2
Authority
WO
WIPO (PCT)
Prior art keywords
article
coating
based ultraviolet
stabilizer
ultraviolet stabilizer
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.)
Ceased
Application number
PCT/IL2006/000073
Other languages
English (en)
Other versions
WO2007083290A3 (fr
Inventor
Reuven Hugi
Haim Geva
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.)
PALRAM INDUSTRIES (1990) Ltd
PALRAM Ind 1990 Ltd
Original Assignee
PALRAM INDUSTRIES (1990) Ltd
PALRAM Ind 1990 Ltd
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
Application filed by PALRAM INDUSTRIES (1990) Ltd, PALRAM Ind 1990 Ltd filed Critical PALRAM INDUSTRIES (1990) Ltd
Priority to PCT/IL2006/000073 priority Critical patent/WO2007083290A2/fr
Publication of WO2007083290A2 publication Critical patent/WO2007083290A2/fr
Anticipated expiration legal-status Critical
Publication of WO2007083290A3 publication Critical patent/WO2007083290A3/fr
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
    • B32B27/285—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polyethers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
    • B32B27/286—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polysulphones; polysulfides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/302—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising aromatic vinyl (co)polymers, e.g. styrenic (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B32B27/365—Layered products comprising a layer of synthetic resin comprising polyesters comprising polycarbonates
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D181/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur, with or without nitrogen, oxygen, or carbon only; Coating compositions based on polysulfones; Coating compositions based on derivatives of such polymers
    • C09D181/06—Polysulfones; Polyethersulfones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/71—Resistive to light or to UV

Definitions

  • UV radiation for example from sunlight
  • UV light absorbers and hindered amine light stabilizers (HALS) to stabilize polymeric materials
  • HALS hindered amine light stabilizers
  • Benzotriazole-based UV stabilizers and benzoxazinone-based UV stabilizers may be used to stabilize certain polymeric materials and to make them more durable to UV radiation. These materials, however, cannot be applied to polyethersulfones for several reasons. Firstly, the durability of these materials is inadequate.
  • the chemical resistance of the polyethersulfone to various materials decreases substantially when these stabilizers are added to the polyethersulfone.
  • these materials may be organic solvents, such as toluene, carbon tetrachloride, dimethylchloride, chloroform, acetone, and others.
  • severe plate-out problems may occur during the production of articles from polyethersulfone with known combinations of benzotriazole-based and benzoxazinone-basesd UV stabilizers.
  • Fig. IA is a graph showing the change in the yellowness index of various polyethersulfone samples as a function of the time that these samples were exposed to UV-A radiation.
  • Fig. IB is a graph showing the change in the Luminous Transmittance (LT) of various polyethersulfone samples as a function of the time that these samples were exposed to UV-A radiation.
  • LT Luminous Transmittance
  • Fig. 2A is graph showing the change in the yellowness index of various polyethersulfone samples as a function of the time that these samples were exposed to UV-B radiation.
  • Fig. 2B is a graph showing the change in the Luminous Transmittance (LT) of various polyethersulfone samples as a function of the time that these samples were exposed to UV-B radiation.
  • Fig 3A is graph showing the change in the yellowness index of various polyethersulfone samples as a function of the time that these samples were exposed to a Xenon Arc radiation
  • Fig. 3 B is a graph showing the change in the Luminous Transmittance (LT) of various polyethersulfone samples as a function of the time that these samples were exposed to Xenon Arc radiation.
  • compositions of a molding polyethersulfone material containing a combination of one or more ultraviolet (UV) light absorbers (stabilizers) and one or more hindered amine light stabilizers.
  • UV light absorbers stabilizers
  • the composition comprises benzoxazinone-based UV light stabilizer, diphenylacrylate-based UV light stabilizer and hindered amine light stabilizer (HALS).
  • UV light absorbers stabilizers
  • HALS hindered amine light stabilizer
  • UV resistance means that sunlight or other UV radiation causes no damage, or only slight damage, to the composition, coating, article of manufacture or product of the present invention that are therefore suitable for outdoor applications and/or critical indoor applications.
  • the composition, coating, article of manufacture or product of the present invention do not yellow after a number of years of outdoor use, nor embrittle or show surface cracking, nor have impaired mechanical properties.
  • High UV resistance therefore means that the composition, article of manufacture or product of the present invention absorbs UV radiation and transmits visible light.
  • the following components may be present in the following parts by weight: Table 1
  • Polyethersulfone about 85% - 95%
  • Benzoxazinone-based UV light stabilizer about 2% - 10%
  • Diphenylacrylate-based UV light stabilizer about 0% - 5%
  • Hindered amine light stabilizer HALS about 0.1 % - 0.5%
  • the relative amounts of the different components of the composition may vary. According to some embodiments of the present invention, the relative amount of benzoxazinone-based UV light stabilizer may be 2 wt% - 10 wt%, the relative amount of diphenylacrylate-based UV light stabilizer may be 1 wt% - 5 wt%, and the relative amount of HALS may be 0.1 wt% - 0.3 wt%.
  • Non-limiting examples of such UV light stabilizers may include benzophenones, hydroxybenzophenones, benzotriazoles, benzoxazinones, diphenylacrylates and derivatives thereof.
  • UV light stabilizers may include materials available commercially from Everlight Chemical Industrial Corporation, Taipei, Taiwan, under the names EVERSORB 78, EVERSORB 79, EVERSORB 80, which are examples of benzotriazoles.
  • EVERSORB 78, EVERSORB 79, EVERSORB 80 which are examples of benzotriazoles.
  • Other non-limiting examples are materials available commercially from Cytec
  • CYASORB UV-531 (benzophenone), CYASORB UV-1164 (triazine), CYASORB UV-5365 (benzotriazole), CYASORB UV-2908 (hindered benzoate), CYASORB UV-3638 (benzoxazine).
  • UVINUL 3000 materials available commercially from BASF under the names UVINUL 3000, UVINUL 3008, UVINUL 3040, UVINUL 3048, UVINUL 3049, UVINUL 3050, which are examples of benzophenones, UVINUL 3030, UVINUL 3035, UVINUL 3039, UVINUL 3088, which are examples of diphenyl acrylates.
  • HINDERED AMINE LIGHT STABILIZERS HALS
  • Non-limiting examples of hindered amine light stabilizers may include Cyasorb UV- 3346, Cyasorb UV-3529, Cyasorb UV-4042, Cyasorb UV-3853, available from Cytec Industries Inc. New Jersey, USA, Eversorb 90, Eversorb 91, Eversorb 93, Eversorb 765, available from Everlight and Lowilite 62, Lowilite 77, Lowilite 92, Lowilite 94, available from Great Lakes Chemical Corporation.
  • Polyethersulfone is known to have good chemical resistance to various chemicals, such as Toluene.
  • the chemical resistance of the polyethersulfone to certain chemicals may decrease, however, substantially when benzotriazole UV stabilizers and/or HALS are added to the polyethersulfone.
  • ASTM F791-82 Standard Practice for Stress Crazing of Transparent Plastics
  • UV resistance tests were performed according the following standards: "Standard Practice for Operating Fluorescent Light Apparatus for UV exposure of Nonmetallic Materials” (ASTM Gl 54), “Standard Procedure for Operating Xenon Arc Light Apparatus for exposure of Nonmetallic Materials” (ASTM G155), “Test Method for Yellowness Index of Plastics” (ASTM D1925- 70), “Standard Test Method for Haze and Luminous Transmittance of Transport Plastics” - ASTM D1003-00, "Practice for Computing the Colors of Objects by Using the CIE System” (ASTM E308(85)).
  • the UV resistance tests and their results are described in detail below in relation to Examples 1, 2, and 3.
  • the polymeric compositions of the invention may be converted into shaped articles, for example films, sheets, cladding, plates, boards, containers, pipes, tubes, coatings and other, by any number of conventional methods, for example by hot pressing, spinning, extrusion, co-extrusion or molding.
  • the polymeric composition may be used in extrusion processes in which the polymeric composition is propelled continuously along a screw through regions of high temperature and pressure where it is melted and compacted, and finally forced through a die shaped to give the final article. Examples of extrusion processes are coextrusion, film extrusion, pultrusion, sheet extrusion, pipe extrusion and wire and cable extrusion.
  • the composition of the invention may be used, in an embodiment of the invention, in molding processes in which the stabilized polymeric composition is forced by the application of heat and pressure to flow into, fill, and conform to the shape of a cavity, or mold.
  • molding processes are compression molding, injection molding, blow molding, injection blow molding, reaction-injection molding (RIM), vacuum molding, pressure molding, rotational, or roto-molding, , or transfer molding.
  • the present invention additionally relates to the use of the polymeric composition according to the invention for the production of a shaped article, an article of manufacture or a product, terms which are all interchangeably used herein.
  • the polymeric composition of the invention may be used as a coating composition.
  • it can be applied to any desired substrate, for example to metal, wood, plastic, fiberglass or ceramic materials.
  • the manufacturing techniques for applying a coating to a substrate are generally known and . may be used with the invention, including vacuum-forming the coating over a premolded material or polymeric body panel or, in an alternative embodiment, placing the coating within a mold and injecting a polymeric composition behind into it.
  • the coating maybe a paint that can be a pigmented mono-coat which comprises an organic pigment or dye, an inorganic pigment, a metallic pigment, or a mixture thereof.
  • Coated articles obtained by the above coating methods are also contemplated herein.
  • the coating, film, composition, article of manufacture or product of the invention has good therrnoformability, impermeability to UV radiation and high UV resistance.
  • a process for coating an article comprising the steps of compounding polyethersulfone, hindered amine light stabilizer, benzoxazinone-based ultraviolet stabilizer and diphenylacrylate-based ultraviolet stabilizer so as to form a compound, co-extrude said compound; contacting with to the article and co-extruding the article and the co-extrude so as to form a coated article.
  • the article is a plastic and may be, without limitation a polycarbonate, polysulfone, ABS, PMMA or another engineering thermoplastic polymer.
  • the article may be a sheet or a board.
  • the board may be used for the production of an article by any method known in the art, such as thermoforming.
  • Thermoforming is the process of heating a plastic material in sheet form to its particular processing temperature and forming the hot and flexible material against the contours of a ⁇ template by mechanical or pneumatic means. When held to the shape of the template and J! allowed to cool, the plastic retains the shape and detail of the template.
  • the process of * thermoforming is well known to those skilled in the art and is described in detail in Throne, "Thermoforming" (ISBN 0-02-947610-0) Hanser Publications, New York (1987).
  • the article may be unitary or multilayer article.
  • the coated article may be unitary or multilayer article.
  • the thickness of the coating may be between 10 ⁇ m and
  • the thickness of the coating may be between 20 ⁇ m and 80 ⁇ m.
  • the thickness of the coating may be between 30 ⁇ m and 50 ⁇ m.
  • the board may be at a thickness of between 250 ⁇ m and
  • the board may be at a thickness of between 800 ⁇ m and
  • the board may be of any size.
  • the combination of advantageous properties gives the film, coating, composition, article of manufacture or product of the invention excellent suitability for a wide variety of applications, for example, for building and vehicle (including aircraft, automotive, truck, military vehicle, water-borne vehicles, scooter, and motorcycle exterior and interior component), windows and roof and instrument covers, for interior decoration, for the construction of exhibition stands, for exhibition requisites, as displays, for placards, for protective glazing of building or of vehicles, in the lighting sector (such as without limitation, light boxes and lamp covers), in the fitting out of shops or of stores, as a promotional requisite, a laminating medium, for greenhouses, roofing systems, exterior cladding, protective coverings (for example, helmets or goggles), applications in the construction sector, and illuminated advertising profiles, blinds, outdoor and indoor signs and electrical applications, and also thermoforming applications.
  • building and vehicle including aircraft, automotive, truck, military vehicle, water-borne vehicles, scooter, and motorcycle exterior and interior component
  • windows and roof and instrument covers for interior decoration, for the construction of
  • the entertainment media may be used in the entertainment media - for example as an enclosure, housing, panel, part, or trim for a computer, desk-top computer, portable computer, lap-top computer, ., palm-held computer, monitor, printer, keyboard, FAX machine, copier, telephone, mobile phone, phone bezel, radio sender, radio receiver, meter, antenna, light fixture, lighting .. appliance, transformer, LCD and OLED screens; portable TV; and game stations.
  • a computer desk-top computer, portable computer, lap-top computer, ., palm-held computer, monitor, printer, keyboard, FAX machine, copier, telephone, mobile phone, phone bezel, radio sender, radio receiver, meter, antenna, light fixture, lighting .. appliance, transformer, LCD and OLED screens; portable TV; and game stations.
  • the composition, film, article of manufacture or product m may be used for preparation safety covering and clothing for people who are working in hazardous chemical environment.
  • coating of the invention may serve for airplane * glazing.
  • the coating of the invention may serve for helicopter/jet fighter canopy.
  • the film, the board, the coating, composition, or product of the invention may serve for glazing or coating unconventional warfare protection room.
  • a process for preparing or coating an article comprising at least one of colaminating, coextmsion, extrusion-laminating or coating with the polymeric composition of the invention.
  • a process for producing an article of manufacturing comprising the steps of: extruding polyethersulfone, hindered amine light stabilizer, benzoxazinone-based ultraviolet stabilizer and diphenylacrylate-based ultraviolet stabilizer; and molding, so as to produce the article of manufacture.
  • the article may be produced by: compounding polyethersulfone, hindered amine light stabilizer, benzoxazinone-based ultraviolet stabilizer and diphenylacrylate-based ultraviolet stabilizer so as to produce a compound; cutting the compound into particles; and extruding the particles so as to form the article of manufacture in a desired shape.
  • the desired shape may be without limitation in shape of a sheet, a pipe or a tube.
  • the coating of an article, which is another embodiment of the invention may be performed in an aspect of the invention by compounding polyethersulfone, hindered amine light stabilizer, benzoxazinone-based ultraviolet stabilizer and diphenylacrylate-based ultraviolet stabilizer so as to form a compound, and co-extruding the compound and another compound or a resin, (which may be any plastic, such as without limitation polycarbonate, polyacrylate or polysulfone or ABS or PMMA or another engineering thermoplastic polymer), thereby obtaining a coated article.
  • the compound of the invention and another compound (which is coated) may be identical.
  • the coated article made in accordance to the process specified above comprises at least two layers of which one is the coating and wherein the coating is inseparable from the other layer.
  • the particle size may be, for example, between 3 and 5. millimeter and the diameter is 1.5-3.0 millimeter. In another embodiment of the invention the size may be in the range of microns. It is appreciated that any suitable size of particles may be employed.
  • Example 1 A UV protected polymeric composition:
  • Example 1 The material of Example 1 was prepared in the following method: The raw material of polyethersulfone was compounded with the UV absorbers and HALS using twin-screw extruder (Haalce Rheomix CTW 100). The material was subjected to a torque of 40N*m. The temperature profile along the extruder is described in Table 3 below: Table 3
  • the extrusion time (from the feeding zone to the nozzle) was approximately 3 minutes. Sheets having a thickness of 0.5 mm were extruded from the obtained granules. Then, a 110 mm die was attached to the Haake Rheomlx CTW 100 twin-screw extruder. The material was again subjected to a torque of 40N*m for approximately 3 minutes.
  • the temperature profile along the extruder is described in below:
  • Example 1 demonstrates a UV protected polyethersulfone comprising a benzoxazinone-based UV absorber, diphenylacrylate-based UV absorber, and HALS.
  • Example 2 A UV protected polymeric composition:
  • Example 2 demonstrates a UV protected polyethersulfone comprising a benzoxazinone-based UV absorber and HALS.
  • Example 3 A UV protected polymeric composition:
  • Example 3 demonstrates another composition of UV protected polyethersulfone with a benzoxazinone-based UV absorber and HALS.
  • Examples 1, 2 and 3 and a sample of pure polyethersulfone were tested for changes in their optical properties, namely changes in the yellowness index ( ⁇ YI) and changes in the luminous transmittance ( ⁇ LT), due to UV radiations from a QUV-A source, a QUV-B source, and a Xenon arc.
  • the degree of degradation in transparent thermoplastics may be estimated by the change in the yellowing index ( ⁇ YI) of a material. This may be done by weathering tests as defined in "Standard Terminology relating to Natural and Artificial Weathering Tests of Nonmetallic Materials” (ASTM G 113-01).
  • the changes in luminous transmittance which is the ratio of the luminous flux transmitted by a body to the flux incident upon it as defined in the standard ASTM D 1003 -00, may serve as another index for estimating degradation in transparent thermoplastics.
  • the results of these tests are presented in Figs. IA — 3B.
  • Example 1 the materials described in Examples 1, 2 and 3 and a sample of pure polyethersulfone were tested for changes in resistance due to UV radiations from a QUV-A source, a QUV-B source, and a Xenon arc.
  • Samples of the pure polyethersulfone and polyethersulfone compositions were exposed to various UV radiation sources as described in "Standard Practice for Operating Fluorescent Light Apparatus for UV Exposure of Nonmetallic Materials" - ASTM Gl 54 and “Standard Procedure for Operating Xenon Arc, 1 Light Apparatus for Exposure of Nonmetallic Materials” - ASTM G155. The exposure times after which cracks appeared in those samples were recorded. The results of these tests summarized in Table 7 below, clearly shows that the composition of Example 1 exhibits better results than the other materials.
  • Table 8 shows the results of the tests for chemical resistance that were performed according to ASTM F791-82.
  • the chemical resistance is described by the Critical Stress ( ⁇ c ) measured in Mega Pascals [MPa], which is the critical stress for the appearance of cracks as a result of exposure to a certain chemical for 15 minutes.
  • the samples included neat polysulfone (sold under the trade name Udel 3700H), neat polyethersulfone, polyethersulfone with UV absorbers as described in Tabele 2 (Example 1), and polysulfone with UV absorbers (identical to Example 1). Table 8
  • Example 1 which has a good UV resistance, also maintains the good chemical resistance of pure polyethersulfone to many chemicals including Toluene.
  • the base molding material is polyethersulfone, however the combinations of UV light stabilizers and HALS according to some embodiments of the present invention may be equally applicable to protecting other ysulfone-based polymers from UV radiations.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Laminated Bodies (AREA)
  • Paints Or Removers (AREA)

Abstract

La présente invention concerne des compositions polymères de polyéthersulfone qui contiennent un agent anti-UV à base d'amines inhibées, un agent anti-UV à base de benzoxazinone et un agent anti-UV à base de diphénylacrylate, ainsi que des revêtements, des films, des produits manufacturés, des articles modelés et / ou des articles pourvus d'un revêtement, qui contiennent ces compositions polymères.
PCT/IL2006/000073 2006-01-18 2006-01-18 Polyéthersulfones protégées contre les ultraviolets Ceased WO2007083290A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/IL2006/000073 WO2007083290A2 (fr) 2006-01-18 2006-01-18 Polyéthersulfones protégées contre les ultraviolets

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Application Number Priority Date Filing Date Title
PCT/IL2006/000073 WO2007083290A2 (fr) 2006-01-18 2006-01-18 Polyéthersulfones protégées contre les ultraviolets

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102902234A (zh) * 2011-07-26 2013-01-30 昆山子力高新科技实业有限公司 硬件模块化和软件可配置的工控仪表装置及方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108314962B (zh) * 2018-02-07 2020-01-03 吉林大学 含氰基的聚芳醚砜/聚醚砜涂料组合物及其制备方法和涂覆工艺

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4207253A (en) * 1979-01-26 1980-06-10 Gaf Corporation Method of making copolymerizable, ultraviolet light absorber (2-cyano-3,3-diphenylacryloxy) alkylene acrylic acid esters
US4804717A (en) * 1987-05-28 1989-02-14 Ferro Corporation Polymeric hindered amine light stabilizers
US6774232B2 (en) * 2001-10-22 2004-08-10 Cytec Technology Corp. Low color, low sodium benzoxazinone UV absorbers and process for making same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102902234A (zh) * 2011-07-26 2013-01-30 昆山子力高新科技实业有限公司 硬件模块化和软件可配置的工控仪表装置及方法

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