WO2006063635A1 - Uv-stabilisator für pmma - Google Patents
Uv-stabilisator für pmma Download PDFInfo
- Publication number
- WO2006063635A1 WO2006063635A1 PCT/EP2005/011615 EP2005011615W WO2006063635A1 WO 2006063635 A1 WO2006063635 A1 WO 2006063635A1 EP 2005011615 W EP2005011615 W EP 2005011615W WO 2006063635 A1 WO2006063635 A1 WO 2006063635A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- monomer
- molding composition
- composition according
- group
- molding
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/14—Methyl esters, e.g. methyl (meth)acrylate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F212/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
- C08F212/02—Monomers containing only one unsaturated aliphatic radical
- C08F212/04—Monomers containing only one unsaturated aliphatic radical containing one ring
- C08F212/06—Hydrocarbons
- C08F212/08—Styrene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/42—Nitriles
- C08F220/44—Acrylonitrile
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K15/00—Anti-oxidant compositions; Compositions inhibiting chemical change
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1807—C7-(meth)acrylate, e.g. heptyl (meth)acrylate or benzyl (meth)acrylate
Definitions
- the invention relates to a molding composition with UV absorbers, processes for their preparation and applications.
- UV absorbers Since UV rays often lead to unwanted decomposition reactions, plastics often use UV-absorbing additives. These absorb in the UV region of the spectrum and thus protect either the polymer itself, other constituents of the plastic or an underlying material from such reactions. Such UV absorbers in addition to their advantageous protective function also have a number of disadvantages. Thus, their Absorbtionsbande extends into the visible area, which is why parts of the visible violet and blue light are absorbed and the plastic receives a yellowish hue. This is all the more unsatisfactory, as often only a small portion of the UV absorber used is actually needed to fulfill the protective function.
- a transparent component consists of a UV-stabilized molding compound, but the UV light can only penetrate into the uppermost layers due to the absorption of the stabilizer.
- the lower UV absorber has no stabilizing function, but due to its above-described absorption in the visible range, it contributes to increasing the yellowness value.
- EP 1115792 B1 and EP 939093 B1 describe the use of photo-fries-capable groups as pre-UV absorbers in polyesters and pofycarbonates.
- resorcinol is incorporated as a diol component in the main chain.
- Po y (meth) acrylates are not mentioned in these protective rights.
- EP 120608 describes polymers for coating applications prepared by the reaction of the OH group of resorcinol mono-benzoate with reactive groups of a polymer.
- polymers containing glycidyl methacrylate are reacted.
- the resorcinol mono-benzoate group can transform under UV light in a photo-Fries rearrangement to the o-hydroxybenzophenone group, which is an effective UV absorber.
- the process described has serious disadvantages:
- the preparation of the polymers can be carried out with this pre-UV absorber exclusively polymer analogous, since a corresponding methacrylic ester would prevent radical polymerization due to its radical scavenging effect.
- the polymer-analogous conversion to the desired "polymer-bound pre-UV absorber is disadvantageous because of the additional process step Epoxide groups undergo unwanted side reactions such as hydrolysis and cross-linking. Therefore, the method described is unsuitable for molding compositions.
- the object is achieved with a molding composition, characterized in that at least one monomer A with at least one monomer B, with a pre-UV absorber group, which by the action of UV light significantly increased absorption at a wavelength between 300 and 400 nm contains, is radically copolymerized.
- the compounds according to the invention can undergo a photo-Fries rearrangement under UV action in the solid polymer, the rearrangement product having the desired UV absorption.
- monomer B all compounds which, after copolymerization with monomer A under UV light, carry out photo Fries rearrangement reactions are suitable as monomer B.
- monomer B preference is given to using compounds having acryloyl or methacryloyl or styrenic structures, more preferably p-methylphenyl methacrylate.
- derivatives are also suitable, which may also contain branched or unbranched alkyl groups with Ci to C-i ⁇ , but also -O-CH 3 in para-position instead of a methyl group.
- Suitable monomers A are compounds which are selected from the group of free-radically polymerizable monomers. Particularly preferred monomers A are selected from the group of acrylates, methacrylates, substituted or unsubstituted styrenic monomers or acrylonitrile.
- the monomers B represent a pre-UV absorber which has no absorption band extending into the visible range. It has been found that the yellowness of the copolymer of monomer A and monomer B is not significantly worse than that of the yellowness of the pure molding material of monomer A.
- the polymer can also be processed well thermoplastic.
- blends with excellent properties can be prepared from the copolymers of monomer A and monomer B with further polymers.
- core-shell polymers can be prepared whose structure comprises, for example, a hard core, a rubber-elastic middle layer and an outer shell of polymethymethacrylate.
- the pre-UV absorber can be polymerized into the shell and / or the middle layer as needed.
- the bond to the polymer also proves to be advantageous over the pure physical interference, since there is no evaporation or sweating during processing. In addition, no migration from the component is to be feared.
- molded articles can be produced from the novel molding materials or blends. Usually semi-finished products, such as plates, sheets, blocks, profiles, tubes, hoses, rods, are produced.
- At least one monomer A is copolymerized free-radically.
- Usual additives e.g. suitable initiators or regulators are added.
- the reaction mixture is usually heated.
- Other polymers for the preparation of blends can also be added.
- the polymer is precipitated with a suitable solvent, dried and further processed.
- the reaction mixture may also contain dyes, impact modifiers and additives, e.g. Flame retardants, or inhibitors, lubricants or additives against the thermo-oxidative degradation may be added.
- moldings or semi-finished products are produced. Likewise, the molding compounds or blends can be applied to other materials or coextruded.
- the molding compositions according to the invention can also be used with other radical polymerization processes, such as e.g. emulsion polymerization,
- the molding composition according to the invention has a broad field of application. They can be used in the construction sector, in motor vehicles, rail vehicles, aircraft, watercraft, spacecraft and advertising technology. ' A particularly preferred field of application are films, Panels, coextruded layers on panels and exterior parts of motor vehicles.
- the molding composition according to the invention for UV adsorption by means of photo-floppye rearrangement is an inexpensive alternative to coextrusion in which only the upper layer is to be equipped with UV absorber.
- much more complicated geometries can be represented with the material according to the invention.
- the polymer is precipitated in methanol, dried (vac, 12O 0 C, 4h) and processed to a 1mm thick press plate (processing temperature: 18O 0 C).
- the press plate is irradiated in a SUN test CPS / 10 (ATLAS Material Testing Technology GmbH, D-63589 Linsen amount-Altenhasslau) with a power of 60 W / m 2 (measured in the wavelength range between 300-400 nm) and according to the irradiation times listed below in tabular form measured.
- the Yellowness Index is determined according to DIN 6167 (D65 / 1O 0).
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Laminated Bodies (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MX2007007045A MX2007007045A (es) | 2004-12-16 | 2005-10-29 | Estabilizador uv para pmma. |
BRPI0515780-3A BRPI0515780A (pt) | 2004-12-16 | 2005-10-29 | estabilizador uv para pmma |
US11/721,979 US20090286934A1 (en) | 2004-12-16 | 2005-10-29 | Uv stabilizer for pmma |
CA002586717A CA2586717A1 (en) | 2004-12-16 | 2005-10-29 | Uv stabilizer for pmma |
EP05806876A EP1824893A1 (de) | 2004-12-16 | 2005-10-29 | Uv-stabilisator f]r pmma |
JP2007545852A JP2008524346A (ja) | 2004-12-16 | 2005-10-29 | Pmma用uv安定剤 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004061126.2 | 2004-12-16 | ||
DE102004061126A DE102004061126A1 (de) | 2004-12-16 | 2004-12-16 | UV-Stabilisator für PMMA |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006063635A1 true WO2006063635A1 (de) | 2006-06-22 |
Family
ID=35462407
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2005/011615 WO2006063635A1 (de) | 2004-12-16 | 2005-10-29 | Uv-stabilisator für pmma |
Country Status (12)
Country | Link |
---|---|
US (1) | US20090286934A1 (de) |
EP (1) | EP1824893A1 (de) |
JP (1) | JP2008524346A (de) |
KR (1) | KR20070093064A (de) |
CN (1) | CN101044175A (de) |
BR (1) | BRPI0515780A (de) |
CA (1) | CA2586717A1 (de) |
DE (1) | DE102004061126A1 (de) |
MX (1) | MX2007007045A (de) |
RU (1) | RU2007126751A (de) |
TW (1) | TW200626657A (de) |
WO (1) | WO2006063635A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014058599A (ja) * | 2012-09-14 | 2014-04-03 | Showa Denko Kk | 部材の製造方法 |
KR20160045320A (ko) | 2014-10-17 | 2016-04-27 | 삼성전자주식회사 | 전자 장치 및 그의 자외선 측정 방법 |
WO2020186482A1 (zh) * | 2019-03-20 | 2020-09-24 | 深圳大学 | 聚合物及其制备方法及应用 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0501329A2 (de) * | 1991-02-23 | 1992-09-02 | Röhm GmbH | Verträgliche Polymermischungen |
WO1999011303A1 (de) * | 1997-09-02 | 1999-03-11 | Mueller Lierheim Wolfgang G K | Faltbare intraokularlinse |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE600675A (de) * | 1960-02-29 | |||
DE3376267D1 (de) * | 1982-11-11 | 1988-05-19 | Showa Denko Kk | Polymerizable compositions |
US4636431A (en) * | 1983-02-25 | 1987-01-13 | E. I. Du Pont De Nemours And Company | Polymers containing resorcinol monobenzoate |
JPS62111229A (ja) * | 1985-11-11 | 1987-05-22 | Hoya Corp | ソフトコンタクトレンズ |
DE3853114T2 (de) * | 1987-09-16 | 1995-06-14 | Hoechst Ag | Poly(3-mono oder 3,5-disubstituierte acetoxystyrole) und deren Verwendung. |
EP0353339A3 (de) * | 1988-08-02 | 1990-05-09 | Hoechst Aktiengesellschaft | Verfahren zur Herstellung von poly(3-mono oder 3,5-disubstituierte Acetoxystryrole), deren Copolymere und deren Hydrolyse |
DE3930097A1 (de) * | 1989-09-09 | 1991-03-14 | Basf Ag | Uv-vernetzbare copolymerisate |
JPH03177466A (ja) * | 1989-12-05 | 1991-08-01 | Kansai Paint Co Ltd | 防汚性塗料組成物 |
DE4019626A1 (de) * | 1990-06-20 | 1992-01-02 | Roehm Gmbh | Vertraegliche polymermischungen |
DE4020767C1 (de) * | 1990-06-29 | 1992-03-05 | Basf Ag, 6700 Ludwigshafen, De | |
DE69122471T2 (de) * | 1990-11-07 | 1997-02-06 | Nestle Sa | Polymere und ihre Verwendung für opthalmische Linsen |
EP1349882A4 (de) * | 2000-11-09 | 2006-07-05 | Avery Dennison Corp | Fluoreszierende polymere gegenstände mit einer abschirmschicht aus uv-absorbierendem polymer |
-
2004
- 2004-12-16 DE DE102004061126A patent/DE102004061126A1/de not_active Withdrawn
-
2005
- 2005-10-29 US US11/721,979 patent/US20090286934A1/en not_active Abandoned
- 2005-10-29 RU RU2007126751/04A patent/RU2007126751A/ru not_active Application Discontinuation
- 2005-10-29 CA CA002586717A patent/CA2586717A1/en not_active Abandoned
- 2005-10-29 JP JP2007545852A patent/JP2008524346A/ja active Pending
- 2005-10-29 MX MX2007007045A patent/MX2007007045A/es unknown
- 2005-10-29 EP EP05806876A patent/EP1824893A1/de not_active Withdrawn
- 2005-10-29 BR BRPI0515780-3A patent/BRPI0515780A/pt not_active Application Discontinuation
- 2005-10-29 WO PCT/EP2005/011615 patent/WO2006063635A1/de active Application Filing
- 2005-10-29 KR KR1020077013601A patent/KR20070093064A/ko active IP Right Grant
- 2005-10-29 CN CNA2005800359032A patent/CN101044175A/zh active Pending
- 2005-11-15 TW TW094140120A patent/TW200626657A/zh unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0501329A2 (de) * | 1991-02-23 | 1992-09-02 | Röhm GmbH | Verträgliche Polymermischungen |
WO1999011303A1 (de) * | 1997-09-02 | 1999-03-11 | Mueller Lierheim Wolfgang G K | Faltbare intraokularlinse |
Non-Patent Citations (1)
Title |
---|
KIRK-OTHMER: "Encylopedia of Chemical Technology 3.Auflage, Vol.23", 1983, JOHN WILEY & SONS, NEW YORK, XP002360855 * |
Also Published As
Publication number | Publication date |
---|---|
JP2008524346A (ja) | 2008-07-10 |
US20090286934A1 (en) | 2009-11-19 |
TW200626657A (en) | 2006-08-01 |
MX2007007045A (es) | 2007-06-22 |
BRPI0515780A (pt) | 2008-08-05 |
KR20070093064A (ko) | 2007-09-17 |
RU2007126751A (ru) | 2009-01-27 |
DE102004061126A1 (de) | 2006-06-29 |
EP1824893A1 (de) | 2007-08-29 |
CN101044175A (zh) | 2007-09-26 |
CA2586717A1 (en) | 2006-06-22 |
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