WO2009147098A1 - Haftklebstoff aus polypropylenharz - Google Patents
Haftklebstoff aus polypropylenharz Download PDFInfo
- Publication number
- WO2009147098A1 WO2009147098A1 PCT/EP2009/056632 EP2009056632W WO2009147098A1 WO 2009147098 A1 WO2009147098 A1 WO 2009147098A1 EP 2009056632 W EP2009056632 W EP 2009056632W WO 2009147098 A1 WO2009147098 A1 WO 2009147098A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pressure
- sensitive adhesive
- phr
- adhesive according
- polypropylene resin
- Prior art date
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
- C09J123/10—Homopolymers or copolymers of propene
- C09J123/14—Copolymers of propene
- C09J123/142—Copolymers of propene at least partially crystalline copolymers of propene with other olefins
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
- C09J123/10—Homopolymers or copolymers of propene
- C09J123/12—Polypropene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/14—Copolymers of propene
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/14—Copolymers of propene
- C08L23/142—Copolymers of propene at least partially crystalline copolymers of propene with other olefins
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- C—CHEMISTRY; METALLURGY
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/14—Copolymers of propene
- C08L23/145—Copolymers of propene with monomers having two or more carbon-to-carbon double bonds
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
- C09J123/10—Homopolymers or copolymers of propene
- C09J123/14—Copolymers of propene
- C09J123/145—Copolymers of propene with monomers having more than one C=C double bond
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/35—Heat-activated
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
- C09J7/381—Pressure-sensitive adhesives [PSA] based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J9/00—Adhesives characterised by their physical nature or the effects produced, e.g. glue sticks
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/302—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being pressure-sensitive, i.e. tacky at temperatures inferior to 30°C
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/304—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being heat-activatable, i.e. not tacky at temperatures inferior to 30°C
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/312—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier parameters being the characterizing feature
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
- C09J2301/408—Additional features of adhesives in the form of films or foils characterized by the presence of essential components additives as essential feature of the adhesive layer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249982—With component specified as adhesive or bonding agent
- Y10T428/249983—As outermost component
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/27—Web or sheet containing structurally defined element or component, the element or component having a specified weight per unit area [e.g., gms/sq cm, lbs/sq ft, etc.]
- Y10T428/273—Web or sheet containing structurally defined element or component, the element or component having a specified weight per unit area [e.g., gms/sq cm, lbs/sq ft, etc.] of coating
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
- Y10T428/2848—Three or more layers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
- Y10T428/2852—Adhesive compositions
- Y10T428/2878—Adhesive compositions including addition polymer from unsaturated monomer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
- Y10T442/2738—Coating or impregnation intended to function as an adhesive to solid surfaces subsequently associated therewith
- Y10T442/2754—Pressure-sensitive adhesive
Definitions
- the invention relates to a pressure-sensitive adhesive of a polypropylene resin with low density but high melting point and at least one adhesive resin and the use in an adhesive tape.
- the adhesive tape is suitable, for example, for bonding to low-energy surfaces.
- Randomcopolymers with a high comonomer content have a low crystallinity and low melting point of about 40 0 C to 60 0 C or are amorphous. They are used as flexibilizers or impact additives for hard polyolefins. They usually contain ethylene as the main monomer and as comonomer propylene, butene, octene or vinyl acetate. They are used only to a limited extent for hot melt adhesives, because they are not heat-resistant due to the low melting point. Conventionally, adhesives made of EVA, tackifier and wax are therefore used for applications (for example cardboard bonding, production of diapers, hot melt adhesive guns).
- Such soft random copolymers are proposed as a coextrusion layer for slightly tacky and easily redetachable surface protection films. These have no significant bond strength (ie less than 0.1 N / cm) at room temperature, but can be set above the melting point on sheets of polycarbonate, acrylic glass or ABS as scratch protection and later removed again at room temperature. However, if the coextrusion layer contains a polar comonomer such as vinyl acetate, the protective film will later be difficult to remove.
- Surface protection films made of a soft random copolymer are not easy to store, because at slightly elevated storage temperature, the rollers lock, that is, can not be unrolled again, and they also have no heat resistance at the user. Therefore, usually Randomcopolymere with a melting point of over 60 0 C used, even if then a higher sealing temperature is necessary. Alternatively, films with a pressure-sensitive adhesive coating of polyacrylate or synthetic rubber are used.
- Soft polymers with or without negligible crystallinity such as polyisobutylene or E PDM rubbers are also not tacky, that is, they have no significant bond strength.
- very smooth layers of such soft polyolefins can easily adhere to very smooth substrates such as glass or polycarbonate sheets, they behave just like smooth layers of natural rubber, butyl rubber or highly plasticized PVC.
- Such materials can hold their own weight so that they do not fall off by themselves, but have virtually no resistance to peel stress because their glass transition temperature is far too low compared to a pressure sensitive adhesive.
- such materials tend to coalesce upon storage because of insufficient crystallinity and are therefore supplied as blocks (bales) which can not be processed on an extruder.
- they have no heat resistance due to a very low or absent crystalline melting point.
- Adhesive tapes contain or consist of at least one or a layer (adhesive) adhesive, these are usually based on natural rubber, synthetic rubber (for example, polyisobutylene, styrene block copolymer, EVA, SBR) in combination with an adhesive resin or polyacrylate and very rare from very expensive silicone.
- the usual pressure-sensitive adhesives have the properties of high adhesion, Shear strength, solvent-free melt processability, high water resistance (as opposed to dispersion coatings), low cost, or high heat aging and UV stability.
- Adhesive tapes for bonding to low-energy surfaces are therefore usually produced with adhesives based on natural rubber, styrene block copolymer and acrylate.
- the natural rubber adhesives are solvent-containing and have a low aging and UV stability.
- Styrene block copolymer adhesives usually based on styrene-isoprene-styrene block copolymers, are solvent-free processable, but also have a low aging and UV stability. Both types of rubber compounds have good adhesion to low-energy surfaces.
- Adhesives based on hydrogenated styrene block copolymers are very expensive, have low tack and adhesion and therefore stick poorly on many substrates. They also soften well below 100 0 C.
- the object of the invention is to provide a pressure-sensitive adhesive for, for example, an adhesive tape which does not have the disadvantages of the prior art.
- the invention relates to a pressure-sensitive adhesive of a preferably isotactic polypropylene resin having a density between 0.86 and 0.89 g / cm 3 , preferably between 0.86 and 0.88 g / cm 3 , particularly preferably between 0.86 and 0, 87 g / cm 3 , and a crystallite melting point of at least 105 0 C, preferably at least 1 15 q C, more preferably at least 135 0 C, most preferably at least 150 0 C and at least one tackifier resin, wherein the proportion of the adhesive resin at least 20 phr , preferably at least 50 phr, "phr" refers to parts by weight based on 100 parts by weight of rubber or polymer (parts per hundred rubber or resin), which means here based on 100 parts by weight of polypropylene resin, such a pressure-sensitive adhesive is capable of adhesive force on an adhesive tape Steel of at least 0.5 N / cm, preferably at least 1 N / cm.
- the melting peak of propylene resins having a crystallite melting point of well below 100 0 C in an adhesive formulation is lost, that is, given at room temperature no shear strength by crystalline crosslinking is.
- the plasticizer is also well compatible with the polypropylene resin.
- the crystallinity In order to be able to achieve any pressure-sensitive tack, the crystallinity must be low, which manifests itself in low density, low flexural modulus and low heat of fusion. Due to increasing proportion of comonomer, the crystallinity decreases, but also the crystallite melting point T cr . For the latter, the empirical relationship applies
- X E proportion of ethylene in mol%.
- the exact numbers of the relationship may be somewhat influenced by the polymerization conditions and, in principle, also apply to other comonomers such as butene.
- propylene resins with low density and crystallinity which in addition to the characteristic of soft propylene Randocopolymere melting peak of well below 100 0 C and a have small melting peak of about 100 0 C. This peak has a relatively low heat of fusion.
- the heat of fusion of the polypropylene resin is preferably between 3 and 18 J / g.
- the heat of fusion in a propylene homopolymer or a heterophasic copolymer is more than 100 J / g (The literature values for the heat of fusion of pure polypropylene crystals are 165 or 189 J / g). It has surprisingly been found by the person skilled in the art that in the propylene resins of the invention, after mixing with a well-tolerated adhesive resin, optionally with the addition of a particularly well-tolerated plasticizer, the melting peak of more than 100 0 C is maintained in principle, even if the crystallite melting point then by approx. 5 0 C is lower than the pure propylene resin.
- propylene resins now allow the production of pressure-sensitive adhesives.
- the pure propylene resin is due to a sufficient heat of fusion or crystallinity in the range of 30 0 C to 165 0 C at room temperature as granules manageable, which allows processing on an extruder.
- the crystallinity By largely disappearing the crystallinity by mixing with adhesive resin, optionally with the addition of a particularly well-tolerated plasticizer, the mixture is tacky.
- the pressure-sensitive adhesive according to the invention at use temperature, ie room temperature to at least 70 0 C, a physical crosslinking through the crystalline regions, which in contrast to a pressure sensitive adhesive prepared from a conventional random copolymer gives adequate shear strength.
- Propylene resins of the present invention can be prepared by methods common to heterophasic polypropylene copolymers, but differ from them in that the proportion of comonomer is much higher and the crystallinity is much lower. Such processes rely on not polymerizing in one but at least two reactors or a reactor cascade, the ratio of propylene and comonomer being different in each reactor.
- the Spherizon process which has only one reactor but in which there are at least two zones with different reaction conditions, is in principle also suitable for the preparation of the propylene resins according to the invention.
- pressure-sensitive adhesive is a viscoelastic material that is used in the art Room temperature in a dry state is permanently sticky and sticky. The bonding takes place by light pressure immediately on all substrates with sufficient surface tension (thus silicone and Teflon are excluded).
- Pressure-sensitive adhesives for the purposes of this invention are those which are capable of giving an adhesive tape an adhesion to steel of at least 0.5 N / cm, preferably at least 1 N / cm.
- polypropylene adhesives having a density between 0.86 and 0.89 g / cm 3 and a crystallite melting point of at least 105 ° C. can be used to prepare PSAs having high bond strength, high tack and high shear strength, which have excellent adhesion to a large number of substrates, and especially on low-energy surfaces such as non-polar paints or olefin plastics.
- the polypropylene resin according to the invention preferably has a melt index of 0.5 to 10 g / 10 min, more preferably 3 to 8 g / 10 min.
- the flexural modulus of the polypropylene resin is preferably less than 50 MPa, more preferably less than 26 MPa.
- the polypropylene resin according to a further advantageous embodiment of the invention contains propylene and at least one further comonomer selected from the other C 2 - to C 10 -olefins, preferably C 2 - to C 10 - ⁇ -olefins.
- Particularly suitable are copolymers of 1-butene and ethylene and especially copolymers of 1-butene and propylene and terpolymers of propylene, butene-1 and ethylene.
- the polypropylene resin preferably contains 75 to 95 mol%, more preferably 80 to 90 mol%, of propylene as a monomer. If the proportion of propylene is higher, the pressure-sensitive adhesive for most common applications has too little tack, and if it is lower, the shear strength (cohesion) is too low.
- the crystalline portion of the polymer is determined by syndio- or preferably isotactic propylene sequences. A predominantly ethylene-containing polymer in which the crystalline portion is formed by ethylene sequences is not suitable because of too low melting points.
- the polypropylene resin can be constructed in various ways, for example as a block copolymer, as a graft polymer or as a so-called reactor blend as in heterophasic polypropylenes (also Impact polypropylene or - not quite right, but common - called polypropylene block copolymer).
- the polypropylene resin is not a classic low melting point non-heterophasic polypropylene random copolymer containing the monomers randomly distributed in propylene and the other olefin (eg ethylene or butene) because these polymers can only achieve low shear strengths, bond strengths and heat resistances.
- a heterophasic polypropylene may contain in the crystalline component small amounts of a comonomer, as far as the crystallite melting point is still in the range according to the invention.
- the size of the polypropylene crystals of the polypropylene resin is preferably less than 100 nm, whereby the pressure-sensitive adhesive has a high transparency.
- a polypropylene resin can be prepared with a zirconium based metallocene catalyst.
- the polypropylene resin preferably has a Haze value, measured according to ASTM D 1003, of less than 8 (measured on 2 mm thick pressures in cyclohexanol).
- the density of the polypropylene resin is determined according to ISO 1 183 and expressed in g / cm 3 .
- the melt index is tested according to ISO 1 133 with 2.16 kg and expressed in g / 10 min.
- the values referred to in this disclosure - as the skilled person is familiar - determined at different temperatures in function of the main monomer of the polymer, it is predominantly ethylene or 1-butene containing at 190 0 C and with predominantly propylene-containing polymer at 230 0 C.
- the flexural modulus should be determined according to ASTM D 790 (secant modulus at 2% elongation).
- the crystallite melting point (T cr ) and the heat of fusion are determined with DSC (Mettler DSC 822) at a heating rate of 10 ' € / min according to ISO 3146, when multiple melt peaks occurs, the one with the highest temperature is selected, since only melting peaks above 100 0 C in pressure-sensitive adhesive formulations and remain effective, whereas melting peaks significantly below 100 0 C are not retained and have no effect on the product properties.
- the heat of fusion determines on the one hand the bond strength and tack of the formulation and on the other hand the shear strength, especially in the heat (ie 70 0 C and above).
- the heat of fusion of the polypropylene resin is therefore the optimal compromise of the adhesive Properties of importance, it is preferably between 3 and 18 J / g, more preferably between 5 and 12 J / g.
- the heat of fusion of the pressure-sensitive adhesive is therefore also important for the optimal compromise of the adhesive properties, it is preferably between 1 and 6 J / g, more preferably between 2 and 5 J / g.
- the content of inventive polypropylene resin in the pressure-sensitive adhesive is preferably at least 15 wt .-%, more preferably at least 20 wt .-%.
- the content of polypropylene resin according to the invention in the pressure-sensitive adhesive is furthermore preferably less than 40% by weight, more preferably less than 35% by weight and most preferably less than 30% by weight, whereby a particularly good tack (adhesiveness, stickiness) is achieved in the case of pressure-sensitive adhesives can.
- the polypropylene resin according to the invention can be combined with the elastomers known from rubber compounds, such as natural rubber or synthetic rubbers. As a result, it is possible to dispense with liquid migration-capable plasticizers.
- unsaturated elastomers such as natural rubber, SBR, NBR or unsaturated styrenic block copolymers are only used in small amounts or particularly preferably not at all.
- Synthetic rubbers saturated in the main chain such as polyisobutylene, butyl rubber, EPM, HNBR or hydrogenated styrenic block copolymers are preferred in the case of a desired modification.
- the tack and tack of the polypropylene-based adhesive of the invention are very dependent on the polydispersity of the resin.
- Polydispersity is the ratio of weight average to number average molecular weight distribution and can be determined by gel permeation chromatography.
- adhesive resin therefore those with a polydispersity of less than 2.1, preferably less than 1, 8, more preferably less than 1, 6 are used.
- the highest tack can be achieved with resins having a polydispersity of 1, 0 to 1, 4.
- Example disproportionated, dimerized or esterified rosin), preferably partially or fully hydrogenated, are well suited. They show that of all adhesive resins highest Tack (stickiness, Anjanzi), probably because of the low polydispersity of 1, 0 to 1, 2. Terpene-phenolic resins are also suitable, but lead to only moderate tack, but for very good shear strength and aging resistance.
- hydrocarbon resins which are probably well tolerated due to their polarity.
- aromatic resins such as coumarone-indene resins or styrene-based or ⁇ -methylstyrene or cycloaliphatic hydrocarbon resins, from the polymerization of C 5 monomers, such as piperylene, from C 5 or C 9 fractions of crackers or terpenes, such as Pinen or ⁇ -limonene or combinations thereof, preferably partially or completely hydrogenated and hydrocarbon resins obtained by hydrogenation of aromatic-containing hydrocarbon resins or cyclopentadiene polymers.
- resins based on polyterpenes preferably partially or completely hydrogenated, can be used.
- the amount of tackifier resin is preferably 130 to 350 phr, more preferably 200 to 240 phr.
- the adhesive preferably comprises a liquid plasticizer such as aliphatic (paraffinic or branched), cycloaliphatic (naphthenic) and aromatic mineral oils, esters of phthalic, trimellitic, citric or adipic acid, wool waxes, liquid rubbers (for example low molecular weight nitrile, butadiene) or polyisoprene rubbers), liquid polymers of isobutene and / or butene, liquid and soft resins having a melting point below 40 0 C based on the raw materials of adhesive resins, in particular the classes of adhesive resin listed above.
- a liquid plasticizer such as aliphatic (paraffinic or branched), cycloaliphatic (naphthenic) and aromatic mineral oils, esters of phthalic, trimellitic, citric or adipic acid, wool waxes, liquid rubbers (for example low molecular weight nitrile, butadiene) or polyisoprene rubbers), liquid polymers of
- liquid isobutene polymers such as isobutene homopolymer or isobutene-butene copolymer and esters of phthalic, trimellitic, citric or adipic acid, in particular their esters of branched octanols and nonanols.
- Mineral oils are very well suited to make the polypropylene resin sticky, but can migrate into surfaces to be bonded, therefore, the adhesive is according to a possible embodiment substantially free of mineral oils.
- the melting point of the adhesive resin is also important. Usually, the bond strength of a rubber compound (based on Natural or synthetic rubber) with the melting point of the adhesive resin. In the case of the polypropylene resin according to the invention, this seems to be reversed. Adhesive resins with a high melting point (105 0 C to 140 0 C) are significantly less favorable than those having a melting point below 90 0 C, which the invention is preferred. Resins with a melting point of less than 85 0 C are little commercially available, since the flakes or pastilles cake during transport and storage.
- a common adhesive resin is combined (for example, having a melting point in the range 85 0 C to 105 0 C) with a plasticizer to reduce virtually the resin melting point according to the invention preferably.
- the Mischschmelz Vietnamese is determined on a homogenized mixture of adhesive resin and plasticizer, wherein the two components are present in the same ratio as in the adhesive. It is preferably in the range from 45 ° C. to 95 ° C.
- Adhesive composition contains a polypropylene resin without oxidation-sensitive
- the self-adhesive composition used may be blended with further additives, such as primary and secondary antioxidants, fillers, flame retardants, pigments, UV absorbers, antiozonants, metal deactivators, light stabilizers, flame retardants, photoinitiators, crosslinkers or crosslinking promoters.
- suitable fillers and pigments are, for example, carbon black, titanium dioxide, calcium carbonate, zinc carbonate, zinc oxide, silicates or silicic acid.
- Preference is given to hollow bodies of glass or polymers such as microballoons, in particular hollow spheres.
- glass or polymer fibers are preferably added.
- a primary antioxidant and more preferably a secondary antioxidant
- the adhesives of the invention contain in the preferred embodiments at least 2 phr, more preferably 6 phr primary antioxidant or preferably at least 2 phr, especially at least 6 phr a combination of primary and secondary antioxidant, wherein the primary and secondary antioxidant function need not be present in different molecules, but may also be combined in one molecule.
- the amount of secondary antioxidant is preferably up to 5 phr, more preferably 0.5 to 1 phr.
- a primary antioxidant preferably hindered phenol having a relative molecular weight greater than 500 daltons
- a secondary antioxidant from the class of sulfur compounds or from the class of phosphites, preferably having a relative molecular weight of more than 500 daltons , preferably, wherein the phenolic, the sulfur-containing and the phosphitic functions need not be present in three different molecules, but also more than one function can be combined in one molecule.
- the PSA contains another copolymer or terpolymer of ethylene, propylene, butene-1, hexene-1 or octene-1, wherein the flexural modulus of the copolymer or terpolymer is preferably below 20 MPa and / or the crystalline melting point preferably below 60 0 C and / or the density between 0.86 and 0.87 g / cm 3 .
- the amount of copolymer or terpolymer is preferably above 100 phr.
- adhesives are possible in which is dispensed plasticizer or other additives or additives.
- the preparation and processing of the PSA can be carried out from solution as well as from the melt.
- Preferred production and processing methods are carried out from the melt.
- suitable manufacturing processes include both batch processes and continuous processes.
- Particularly preferred is the continuous production of the PSA with the aid of an extruder and subsequent coating directly onto the substrate to be coated at a correspondingly high temperature of the adhesive.
- extrusion coating with slot dies and Kaiander coating are preferred.
- the subject invention is preferably used in a single or double-sided adhesive tape. In the case of multi-layered construction of the adhesive tape, several layers can be brought together by coextrusion, lamination or coating.
- the coating can be done directly on the carrier or on a liner or on a process liner.
- the (adhesive) adhesive composition can be present without a carrier and without additional layers, without carriers having a further PSA layer, be present on one side of a carrier, on the other side of the carrier another PSA, preferably based on polyacrylate, or a sealing layer present is, or - be present on both sides of a support, wherein the two pressure-sensitive adhesives may have the same or different compositions.
- the adhesive tape is preferably covered on one or both sides with a liner.
- the liner for the product or process liner is, for example, a release paper or release liner, preferably with silicone coating.
- a carrier of the liner for example, films of polyester or polypropylene or calendered papers with or without dispersion or polyolefin coating in question.
- the application rate (coating thickness) of a layer is preferably between 15 and 300 g / m 2 , preferably between 20 and 75 g / m 2 .
- the adhesive tape has an adhesion to steel of at least 0.5 N / cm, preferably at least 1 N / cm, more preferably at least 2 N / cm, most preferably at least 6 and in particular at least 9 N / cm.
- the bond strength to steel is determined at a deduction angle of 180 ° according to AFERA 4001 on a 15 mm wide test strip. Therefore, slightly sticky films such as surface protection, stretch films or Clingfilm are not adhesive tapes in the sense of this invention.
- the adhesive or the adhesive tape is characterized by high tack.
- the ball tack after PSTC 6 is usually under 10 cm and usually under 5 cm.
- At least one layer preferably the crosslinked according to the invention.
- This can be done by means of high-energy radiation, preferably electron beams, or by peroxide or silane crosslinking.
- support material it is possible to use all known supports, for example scrims, woven fabrics, knitted fabrics, nonwovens, films, papers, tissues, foams and foamed films.
- Suitable films are of polypropylene, preferably oriented, polyester, hard and / or soft PVC.
- polyolefin is meant here polyethylene and polypropylene, polyethylene being preferred for softness.
- polyethylene includes LDPE, but also ethylene copolymers such as LLDPE and EVA.
- crosslinked polyethylene foams or viscoelastic supports are suitable. The latter are preferably made of polyacrylate, more preferably filled with hollow bodies of glass or polymers.
- the backings may be prepared by priming or physical pretreatment such as corona prior to contacting with the adhesive.
- Crosslinked polyethylene foams are treated for double-sided adhesive tapes in such a way that adhesion of acrylic PSAs to it is very poor and even with a treatment not very satisfactory, since these carriers contain lubricants such as erucamide due to the manufacturing process. It is therefore completely surprising that the compositions according to the invention adhere perfectly well to such foams even without treatment, that is, in the violent attempt to detach them, the foam is destroyed.
- an "adhesive tape” in the sense of this invention encompasses all flat structures such as films or film sections expanded in two dimensions, tapes of extended length and limited width, tape sections, diecuts, labels and the like unlike only weakly tacky surface protection films, an "adhesive tape” in the sense of the invention is understood to mean an article with a clear adhesion which, for example, is adhered to steel by at least 0.5 N / cm, preferably at least 1, 0 N / cm express.
- the adhesive tape can be produced in the form of a roll, that is rolled up on itself in the form of an Archimedean spiral.
- the adhesive according to the invention (pressure-sensitive adhesive) in an adhesive tape is eminently suitable for bonding to nonpolar paints, printing plates or olefin plastics, particularly preferably for closing or strapping polyolefin bags or for fixing parts made from olefinic plastics or elastomers, in particular for fixing parts in motor vehicles ,
- the adhesive according to the invention in an adhesive tape is furthermore suitable for bonding to human skin and on rough substrates in the construction sector, as a packaging adhesive tape and for winding applications.
- applications on human skin are roll and single patches, diecuts for sticking colostomy bags and electrodes, drug plasters (transdermal patches) and bandages.
- the adhesive offers the possibility of avoiding skin-irritating or otherwise chemically active substances. Therefore, the adhesives according to the invention are also suitable for the construction of hygiene products such as baby diapers or sanitary napkins, moreover, they adhere particularly to the polyolefin sheeting and nonwovens used and have lower costs and higher heat resistance than conventional masses of hydrogenated styrene block copolymers.
- pressure sensitive adhesives of the invention are useful for personal care products such as diaper tops or sanitary napkins. Examples of winding applications are electrical insulation and the manufacture of automobile wiring harnesses.
- the adhesives according to the invention are, in contrast to natural or synthetic rubber adhesives, even at high temperatures with PP, PE or and PVC wire insulation compatible. In building applications as a plastering tape, for the bonding of roof insulation films and as a bitumen adhesive tape for sealing applications, a good adhesion in the cold is noted.
- the subject invention is further suitable for film applications, so for example for laminating films such as polyolefin or polyamide film with aluminum foil, and easier to handle as a solvent or UV laminating adhesive.
- Further film applications are adhesive tapes for endless gluing of printed or unprinted film webs. Further applications are strippable adhesive strips (pressure-sensitive adhesive strips of at least one layer which can be detached again by stretching stretching essentially in the bonding plane without residue and destruction) and on Velcro fasteners, such as those offered on a large scale by Velcro®.
- NOTIO PN-3560 copolymer of propylene and butene (1) (possibly with small amounts of ethylene), melt index 6 g / 10 min, density 0.866 g / cm 3, flexural modulus 12 MPa, crystallite melting point 161 0 C, heat of fusion 16.9 J / g
- NOTIO PN-0040 copolymer of propylene and butene (1) (possibly with small amounts of ethylene), melt index 4 g / 10min, density 0.868 g / cm 3, flexural modulus 42 MPa, crystallite melting point 159 0 C, heat of fusion 5.2 Y / g Soft Shell CA02: Copolymer of propylene and ethylene, melt index 0.6 g / 10 min, density 0.870 g / cm 3 , flexural modulus 20 MPa, crystallite melting point 142 "C, heat of fusion 9.9 J / g
- PP4352F3 homopolymer of propylene, melt index 3 g / 10 min, density 0.9 g / cm 3, flexural modulus 1400 MPa, crystallite melting point 160 0 C
- Versify 2400 Copolymer of propylene and ethylene, melt index 2 g / 10min (230 0 C), density 0.86 g / cm 3 , flexural modulus 2 MPa, crystallite melting point 48 ° C.
- Exact 4053 random copolymer of ethylene and butene (1), melt index 2.2 g / 10 min (190 0 C), density 0.888 g / cm 3, flexural modulus 27 MPa, crystallite 70 0 C
- Ondina 933 white oil (paraffinic-naphthenic mineral oil)
- Shell bitumen R 85/25 oxidation bitumen with a softening point of 85 0
- Indopol H-100 polyisobutene-polybutene copolymer with a kinematic
- Wingtack 10 liquid C 5 hydrocarbon resin
- Escorez 1310 non-hydrogenated C 5 hydrocarbon resin with a melting point of 94 0 C and a polydispersity of 1, 5
- Regalite R1 100 hydrogenated aromatic hydrocarbon resin with a melting point of 100 0 C and a polydispersity of 1, 6
- Foral 85 fully hydrogenated glycerol ester of rosin with a melting point of 85 0 C and a polydispersity of 1, 2
- Irganox 1726 phenolic antioxidant with sulfur-based secondary antioxidant function
- Irganox 1076 phenolic antioxidant Tinuvin 622: HALS light stabilizer example 1
- the adhesive consists of the following components:
- the adhesive is produced continuously in an extruder and applied by means of die coating from the melt on both sides with 70 g / m 2 to a tissue of 25 g / m 2 .
- the product is covered with a siliconized polyethylene-coated release paper.
- the bond strengths are determined at a deduction angle of 180 ° according to AFERA 4001 on a 15 mm wide test strip.
- the non-bonded to steel or polypropylene side is laminated before the adhesion measurement with a 25 micron thick etched polyester film.
- the bond strength on steel of the open and on the covered side is 8.4 N / cm each.
- the bond strength on a polypropylene plate is> 10 N / cm in each case (polyester film separates from the adhesive tape).
- the ball tack is 1, 5 cm.
- the heat of fusion of the pressure-sensitive adhesive is 1.6 J / g.
- a mixture of 50 wt .-% shell bitumen R 85/25, 15 wt .-% Ondina 933, 15 wt .-% Indopol H-100 and 20% NOTIO PN-0040 prepared in a thickness of 500 .mu.m extruded on a one-sided siliconized release film made of polyethylene with a polyamide barrier layer, laminated at the end of the system with a 50 .mu.m thick aluminum foil and then assembled in rolls of 50 mm width.
- the bond strength is 13 N / cm.
- the shear strength is 55 min.
- the ball tack is 3 cm.
- the adhesive is prepared as in Example 1 and applied at 50 g / m 2 on a 800 microns thick viscoelastic carrier made of polyacrylate. This is according to the Example "carrier VT1" of WO 2006/027389 A1 The other side is likewise laminated with 50 g / m 2 but with an acrylate solvent mass PA 1 corresponding to the aforementioned application.
- Adhesion to steel of the polypropylene resin composition is 12 N / cm and that of the acrylate composition 15 N / cm.
- the The Ball Tack is 2 cm.
- Adhesive force of the polypropylene resin composition on a polypropylene plate is above 10 N / cm and that of the acrylate composition at 2 N / cm.
- the adhesive is prepared as in Example 1 and applied at 70 g / m 2 on a polyester fabric by means of die coating from the melt.
- the filament fabric has a basis weight of 130 g / m 2 of polyester yarn of 167 dtex with 45 threads per cm in the warp direction and 25 threads per cm in the weft direction.
- the carrier film is Radil TM 35 ⁇ m (biaxially stretched polypropylene homopolymer film). It is coated on the corona treated side with polyvinyl stearylcarbamate from toluene solution and equipped on the front side with 28 g / m 2 of a hot melt pressure-sensitive adhesive composition: 100 phr Softell CA02, 78.4 phr Ondina 933, 212 phr Escorez 1310 and 3 phr Irganox 1076.
- the bond strength to steel is 2.5 N / cm.
- the ball tack is 6 cm.
- the tapping behavior is determined by applying a sample to kraft paper as described for the determination of the adhesion force and rapidly withdrawing the sample. The handling behavior is good, because on more than 50% of the bond area, the paper fibers are torn out and partly split the paper.
- a melt pressure-sensitive adhesive composition of the following composition is prepared in a kneader and coated on a film as in Example 5: 100 phr NOTIO PN-0040, 78.4 phr Wingtack 10, 212 phr Foral 85 1310, 8 phr Irganox 1726
- the bond strength to steel is 14 N / cm at an application rate of 20 g / m 2 .
- the grasping behavior is good as the paper splits.
- the ball tack is 7 cm.
- the bond strength to steel is 17 N / cm and the ball tack is 4 cm at an application rate of 70 g / m 2 .
- a hot-melt pressure-sensitive adhesive composition of the following composition is prepared in a kneader and coated between two liners: 100 phr NOTIO PN-0040, 78.4 phr Versify 2400, 150 phr Foral 85 1310, 8 phr Irganox 1726
- 20 specimens of 20 mm width and 50 mm length are produced.
- a handle both sides with a 20 mm at one end 20 mm wide 25 ⁇ m polyester film covered.
- the opposite end is tapered, with the tip being 2mm wide and the cone being 20mm long so that between the handle and the beginning of the cone the sample remains 20mm wide over 10mm length.
- the sample is glued between two glass plates so that the adhesive is completely covered and only the handle protrudes. After 10 days of storage, the 20 specimens are released by pulling, pulling at an angle of 15 °. The number of torn off adhesive strips is noted: zero.
- the execution takes place as described in example 1, but with PP4352F3 instead of NOTIO PN-0040.
- the coating is not sticky, but hard with oily surface.
- the ball tack is more than 30 cm.
- the execution takes place as described in example 1, but with Versify 2400 instead of NOTIO PN-0040.
- the coating is very soft and sticky. An adhesion measurement is not possible due to cohesive failure.
- the ball tack is 1 cm.
- the coating is not sticky, but hard.
- the ball tack is more than 30 cm.
- Example 5 The procedure is as described in Example 5 but with the following formulation: 100 phr NOTIO PN-0040, 78.4 phr Ondina 933 and 3 phr Irganox 1076.
- the sample adheres easily to glass, the bond strength to glass and steel is less than 0.1 N / cm.
- the ball tack is more than 30 cm.
- the sample adheres easily to glass, the bond strength to glass and steel is less than 0.1 N / cm.
- the ball tack is more than 30 cm.
- the bond strengths on steel are 0.02 N / cm, on polycarbonate and Plexiglas (acrylate, PMMA) each 0.05 N / cm.
- the sample does not adhere to kraft paper.
- the ball tack is more than 30 cm.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Adhesive Tapes (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MX2010012898A MX2010012898A (es) | 2008-06-04 | 2009-05-29 | Adhesivo sensible a la presion compuesto de resina de polip'ropileno. |
DE112009001170T DE112009001170A5 (de) | 2008-06-04 | 2009-05-29 | Haftklebstoff aus Polypropylenharz |
JP2011512087A JP5586102B2 (ja) | 2008-06-04 | 2009-05-29 | ポリプロピレン樹脂からなる感圧接着材料 |
CN2009801210517A CN102056981B (zh) | 2008-06-04 | 2009-05-29 | 由聚丙烯树脂构成的压敏粘合剂 |
US12/993,449 US20110076905A1 (en) | 2008-06-04 | 2009-05-29 | Pressure-sensitive adhesive composed of polypropylene resin |
EP09757479A EP2288657A1 (de) | 2008-06-04 | 2009-05-29 | Haftklebstoff aus polypropylenharz |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200810026672 DE102008026672A1 (de) | 2008-06-04 | 2008-06-04 | Klebstoff aus Polypropylenharz |
DE102008026672.8 | 2008-06-04 |
Publications (1)
Publication Number | Publication Date |
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WO2009147098A1 true WO2009147098A1 (de) | 2009-12-10 |
Family
ID=40897597
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2009/056632 WO2009147098A1 (de) | 2008-06-04 | 2009-05-29 | Haftklebstoff aus polypropylenharz |
Country Status (8)
Country | Link |
---|---|
US (1) | US20110076905A1 (de) |
EP (1) | EP2288657A1 (de) |
JP (1) | JP5586102B2 (de) |
KR (1) | KR101590064B1 (de) |
CN (1) | CN102056981B (de) |
DE (2) | DE102008026672A1 (de) |
MX (1) | MX2010012898A (de) |
WO (1) | WO2009147098A1 (de) |
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ES2389968T3 (es) * | 2005-08-17 | 2012-11-05 | Bostik, Inc. | Adhesivo de fusión en caliente basado en poliolefina que tiene resistencia térmica mejorada |
JP5611501B2 (ja) * | 2006-05-30 | 2014-10-22 | 大日本印刷株式会社 | 自己粘着性積層体 |
US8581094B2 (en) * | 2006-09-20 | 2013-11-12 | Dow Global Technologies, Llc | Electronic device module comprising polyolefin copolymer |
ES2518417T3 (es) * | 2008-04-30 | 2014-11-05 | Tesa Se | Cinta adhesiva |
-
2008
- 2008-06-04 DE DE200810026672 patent/DE102008026672A1/de not_active Withdrawn
-
2009
- 2009-05-29 WO PCT/EP2009/056632 patent/WO2009147098A1/de active Application Filing
- 2009-05-29 DE DE112009001170T patent/DE112009001170A5/de not_active Withdrawn
- 2009-05-29 MX MX2010012898A patent/MX2010012898A/es unknown
- 2009-05-29 EP EP09757479A patent/EP2288657A1/de not_active Withdrawn
- 2009-05-29 US US12/993,449 patent/US20110076905A1/en not_active Abandoned
- 2009-05-29 JP JP2011512087A patent/JP5586102B2/ja not_active Expired - Fee Related
- 2009-05-29 KR KR1020107027250A patent/KR101590064B1/ko not_active Expired - Fee Related
- 2009-05-29 CN CN2009801210517A patent/CN102056981B/zh not_active Expired - Fee Related
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WO1995020487A1 (en) * | 1994-01-27 | 1995-08-03 | E.I. Du Pont De Nemours And Company | Adhesive composition |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US12195652B2 (en) | 2017-07-26 | 2025-01-14 | 3M Innovative Properties Company | Backing for adhesive tape with thermal resistance |
CN111971007A (zh) * | 2018-04-20 | 2020-11-20 | 宝洁公司 | 包含粘合剂组合物的吸收制品 |
CN111971007B (zh) * | 2018-04-20 | 2022-06-24 | 宝洁公司 | 包含粘合剂组合物的吸收制品 |
US20210339916A1 (en) * | 2020-05-01 | 2021-11-04 | Jinwoo Jang | Paste tube dispenser with a sealing body and methods of making and using same |
Also Published As
Publication number | Publication date |
---|---|
JP2011524919A (ja) | 2011-09-08 |
DE102008026672A1 (de) | 2009-12-10 |
JP5586102B2 (ja) | 2014-09-10 |
MX2010012898A (es) | 2011-01-21 |
EP2288657A1 (de) | 2011-03-02 |
US20110076905A1 (en) | 2011-03-31 |
DE112009001170A5 (de) | 2011-04-07 |
CN102056981B (zh) | 2013-09-25 |
KR20110025748A (ko) | 2011-03-11 |
CN102056981A (zh) | 2011-05-11 |
KR101590064B1 (ko) | 2016-01-29 |
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