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1. WO2011000716 - USE OF ADHESIVE TAPES FOR BONDING OPTICAL COMPONENTS

Publication Number WO/2011/000716
Publication Date 06.01.2011
International Application No. PCT/EP2010/058607
International Filing Date 18.06.2010
IPC
C09J 7/00 2006.01
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
7Adhesives in the form of films or foils
C09J 7/02 2006.01
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
7Adhesives in the form of films or foils
02on carriers
C09J 133/04 2006.01
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
133Adhesives based on homopolymers or 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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
04Homopolymers or copolymers of esters
CPC
C08F 220/1808
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
220Copolymers 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
02Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
10Esters
12of monohydric alcohols or phenols
16of phenols or of alcohols containing two or more carbon atoms
18with acrylic or methacrylic acids
1808C8-(meth)acrylate, e.g. isooctyl (meth)acrylate or 2-ethylhexyl (meth)acrylate
C09J 133/04
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIAL AS ADHESIVES
133Adhesives based on homopolymers or 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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
04Homopolymers or copolymers of esters
C09J 133/08
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIAL AS ADHESIVES
133Adhesives based on homopolymers or 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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
04Homopolymers or copolymers of esters
06of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
08Homopolymers or copolymers of acrylic acid esters
C09J 2203/00
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIAL AS ADHESIVES
2203Applications
C09J 2301/302
C09J 2301/312
Applicants
  • TESA SE [DE]/[DE] (AllExceptUS)
  • KLIER, Daniel [DE]/[DE] (UsOnly)
  • HUSEMANN, Marc [DE]/[DE] (UsOnly)
Inventors
  • KLIER, Daniel
  • HUSEMANN, Marc
Common Representative
  • TESA SE
Priority Data
10 2009 031 421.001.07.2009DE
Publication Language German (DE)
Filing Language German (DE)
Designated States
Title
(DE) VERWENDUNG VON HAFTKLEBEBÄNDERN ZUR VERKLEBUNG OPTISCHER BAUTEILE
(EN) USE OF ADHESIVE TAPES FOR BONDING OPTICAL COMPONENTS
(FR) UTILISATION DE RUBANS ADHÉSIFS POUR COLLER DES COMPOSANTS OPTIQUES
Abstract
(DE)
Verfahren zur Verklebung optischer Bauteile mittels eines Klebebandes, dadurch gekennzeichnet, dass das Klebeband zumindest eine Schicht einer Haftklebemasse auf Basis eines Polyacrylates mit einem gewichtsmittleren Molekulargewicht Mw im Bereich von 200000 ≤ Mw ≤1000000 g/mol aufweist, das durch radikalische Copolymerisation zumindest folgender Komponenten erhältlich ist: (a) 55 bis 92 Gew.-% eines oder mehrerer Acrylmonomere der allgemeinen Formel CH2=CH-COOR1 wobei R1 einen Kohlenwasserstoffrest mit 4 bis 14 Kohlenstoffatomen darstellt, (b) 5 bis 30 Gew.-% eines oder mehrerer copolymerisierbarer Monomere, wobei die Glasübergangstemperatur TG,bH des Homopolymeren aus dem Monomer der Komponente (b) nicht weniger als 0 °C beträgt beziehungsweise wobei die Glasübergangstemperatur TG,bC des Copolymeren aus den Monomeren der Komponente (b) nicht weniger als 0 °C beträgt, (c) 3 bis 15 Gew.-% eines oder mehrerer copolymerisierbarer, eine Vernetzungsreaktion des Polyacrylates fördernder Monomere, wobei das Polyacrylat vernetzt wird, wobei das vernetzte Polyacrylat durch einen Verlustfaktor (tan δ-Wert) zwischen 0,2 und 0,4 charakterisiert ist, wobei das vernetzte Polyacrylat eine Scherfestigkeit aufweist, die durch eine Maximalauslenkung Xmax im Mikroscherwegtest von 200 bis 600 μm charakterisiert ist, und wobei das vernetzte Polyacrylat durch einen elastischen Anteil im Polyacrylat von mindestens 60% charakterisiert ist.
(EN)
Method for bonding optical components by means of an adhesive tape, characterized in that the adhesive tape comprises at least one layer of a pressure-sensitive adhesive compound on basis of a polyacrylate having a weight-averaged molecular weight Mw in the range of 200000 ≤ Mw ≤ 1000000 g/mol, which can be obtained by radical copolymerization of at least the following components: (a) 55 to 92% by weight of one or more acryl monomers of the general formula CH2=CH-COOR1, where R1 is a hydrocarbon group having 4 to 14 carbon atoms, (b) 5 to 30% by weight of one or more copolymerizable monomers, wherein the glass transition temperature TG,bH of the homopolymer from the monomer of the component (b) is no less than 0°C, or wherein the glass transition temperature TG,bH of the copolymer from the monomers of the component (b) is no less than 0°C, (c) 3 to 15% by weight of one or more copolymerizable monomers promoting a cross-linking reaction of the polyacrylate, wherein the polyacrylate is cross-linked, wherein the cross-linked polyacrylate is characterized by a loss factor (tan δ value) ranging between 0.2 and 0.4, wherein the cross-linked polyacrylate has a shear strength characterized by a maximum deflection Xmax in the microshear travel test of 200 to 600 μm, and wherein the cross-linked polyacrylate is characterized by an elastic portion in the polyacrylate of at least 60%.
(FR)
L'invention porte sur un procédé pour coller des composants optiques à l'aide d'un ruban adhésif, caractérisé en ce que le ruban adhésif comporte au moins une couche d'une masse adhésive à base d'un polyacrylate ayant une masse moléculaire moyenne en poids Mw comprise dans la plage 200000 ≤ Mw ≤1000000 g/mole, qui peut être obtenu par copolymérisation radicalaire d'au moins les composants suivants : (a) 55 à 92 % en poids d'un ou plusieurs monomères acryliques de formule générale CH2=CH-COOR1 où R1 est un radical hydrocarboné ayant 4 à 14 atomes de carbone, (b) 5 à 30 % en poids d'un ou plusieurs monomères copolymérisables, la température de transition vitreuse TG,bH de l'homopolymère obtenu à partir du monomère du composant (b) n'étant pas inférieure à 0°C, ou encore la température de transition vitreuse TG,bC du copolymère obtenu à partir des monomères du composant (b) n'étant pas inférieure à 0°C, (c) 3 à 15 % en poids d'un ou plusieurs monomères copolymérisables, favorisant une réaction de réticulation du polyacrylate, le polyacrylate subissant une réticulation, le polyacrylate réticulé étant caractérisé par un facteur de perte (tangente δ) compris entre 0,2 et 0,4, le polyacrylate réticulé présentant une résistance au cisaillement caractérisée par une déviation maximale Xmax, dans l'essai de déplacement sous l'effet d'un microcisaillement, de 200 à 600 µm, et le polyacrylate réticulé étant caractérisé par une fraction élastique du polyacrylate d'au moins 60 %.
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