WO2004065439A1 - 石油樹脂、その製造方法および接着剤組成物 - Google Patents
石油樹脂、その製造方法および接着剤組成物 Download PDFInfo
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- WO2004065439A1 WO2004065439A1 PCT/JP2004/000237 JP2004000237W WO2004065439A1 WO 2004065439 A1 WO2004065439 A1 WO 2004065439A1 JP 2004000237 W JP2004000237 W JP 2004000237W WO 2004065439 A1 WO2004065439 A1 WO 2004065439A1
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- adhesive composition
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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
- C09J135/00—Adhesives 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 a carboxyl radical, and containing at least another carboxyl radical in the molecule, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J135/06—Copolymers with vinyl aromatic monomers
-
- 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
- C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F210/04—Monomers containing three or four carbon atoms
- C08F210/08—Butenes
-
- 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
- C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F210/14—Monomers containing five or more carbon atoms
-
- 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
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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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
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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
- C09J157/00—Adhesives based on unspecified polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- 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
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2666/00—Composition of polymers characterized by a further compound in the blend, being organic macromolecular compounds, natural resins, waxes or and bituminous materials, non-macromolecular organic substances, inorganic substances or characterized by their function in the composition
- C08L2666/02—Organic macromolecular compounds, natural resins, waxes or and bituminous materials
Definitions
- the present invention relates to an adhesive composition having good color tone and excellent adhesiveness, a petroleum resin suitable as a tackifier component of the adhesive composition, and a petroleum resin capable of industrially easily producing the petroleum resin And a method for producing the same.
- thermoplastic polymer compounds composed of thermoplastic polymer compounds and tackifiers such as ethylene-monoacetate biel copolymer, styrene-ptagen-styrene block copolymer, and styrene-isoprene-styrene block copolymer. Is used in various fields.
- hot-melt adhesives When hot-melt adhesives are used for sanitary goods such as disposable disposable diapers and sanitary napkins, these adhesives must be used in order to ensure that these products are intended for general consumers. Is required to have a good color tone.
- tackifier which is one component of the hot-melt adhesive
- rosin-based resins, terpene-based resins, petroleum resins, and hydrogenated products thereof are known, but are suitable for industrial production and quality stability Petroleum resin has been awarded as an excellent product.
- Petroleum resins are usually produced by using aluminum chloride as a polymerization catalyst and polymerizing specific fractions in petroleum refining. Since such a petroleum resin has a blue color, it is used for a hot-melt adhesive for sanitary goods as described above. Was unsuitable for
- the fraction 1 0-7 0 weight 0/0 and non-methylstyrene styrene 3 0-9 0 consists weight 0/0 monomer mixed-containing Orefin unsaturated hydrocarbons having 5 carbon atoms, as a polymerization catalyst
- a method of polymerizing using boron trifluoride has been proposed (see Japanese Patent Application Laid-Open No. 4-227675). According to this method, a petroleum resin having an extremely excellent color tone having a Gardner color number of less than 1 measured by melting the obtained petroleum resin is obtained, but such a petroleum resin is used as a tackifier.
- the hot-melt adhesive used as a sample had poor adhesion.
- boron trifluoride easily corrodes metals, so that there is a problem that industrial handling is difficult. Disclosure of the invention
- the present invention relates to an adhesive composition having good color tone and excellent adhesiveness
- An object of the present invention is to provide a petroleum resin suitable as a tackifier component of a product, and a method for producing a petroleum resin capable of industrially easily producing the petroleum resin.
- A an organoaluminum compound and (B) a halogenated hydrocarbon in which a halogen atom is bonded to a tertiary carbon atom (B 1) or a halogenated hydrocarbon in which a halogen atom is bonded to a carbon atom adjacent to a carbon-carbon unsaturated bond
- a halogenated hydrocarbon which is hydrogen (B 2) is used as a polymerization catalyst in a saturated hydrocarbon solvent and / or an aromatic hydrocarbon solvent to form a monoolefinic unsaturated hydrocarbon having 4 to 6 carbon atoms.
- the present invention relates to a petroleum resin comprising 30 to 95% by weight of a olefinic unsaturated hydrocarbon monomer unit having 4 to 6 carbon atoms and 70 to 5% by weight of a styrene unit.
- a petroleum resin having a Gardner color number of 4 or less, a softening point of 60 to 130 ° C., and a weight average molecular weight of 1,000 to: L, 0000.
- the present invention provides (A) an organoaluminum compound, (B) a halogenated hydrocarbon (B 1) in which a halogen atom is bonded to a tertiary carbon atom, or a halogen atom in a carbon atom adjacent to a carbon-carbon unsaturated bond.
- Halogenated hydrocarbon (B 2) which is bonded with In a saturated hydrocarbon solvent and / or an aromatic hydrocarbon solvent, 50 to 95% by weight of a olefinic unsaturated hydrocarbon monomer having 4 to 6 carbon atoms 50 to 5% by weight of styrene
- a method for producing a petroleum resin is provided.
- the present invention provides an adhesive composition comprising 30 to 400 parts by weight of the above-mentioned petroleum resin with respect to 100 parts by weight of the thermoplastic polymer compound.
- an adhesive composition having a good color tone and excellent adhesiveness, a petroleum resin suitable as a tackifier component of the adhesive composition, and an industrially easy production of the petroleum resin A method for producing a petroleum resin that can be produced is provided.
- the petroleum resin of the present invention contains 30 to 95% by weight, preferably 50 to 85% by weight, more preferably 65 to 8% by weight of a olefinic unsaturated hydrocarbon monomer unit having 4 to 6 carbon atoms. 5 wt% and a styrene unit 7 0-5 wt 0/0, preferably 5 0-1 5 wt%, more preferably from 3 5-1 5 wt%.
- the obtained adhesive composition will have poor adhesion, and if the content is large, the color tone will be deteriorated and the adhesion will be poor. Inferior.
- the adhesive composition When the styrene unit content is low, the adhesive composition may deteriorate in color tone. Adhesiveness is poor, and conversely, if it is too large, the adhesiveness becomes poor.
- Examples of the monoolefinic unsaturated hydrocarbon monomer having 4 to 6 carbon atoms include monoolefinic unsaturated hydrocarbons having 4 to 6 carbon atoms and diolefin unsaturated hydrocarbons.
- Examples of the monoolefinic unsaturated hydrocarbon having 4 to 6 carbon atoms include linear monoolefins such as 1-butene, 2-butene, 1-pentene, 2-pentene, methylbutene, methinolepentene, and hexene; Cyclic monoolefins such as methylpent pentene and hexahexene; and the like.
- diolefinic unsaturated hydrocarbon having 4 to 6 carbon atoms examples include, for example, chain conjugated gens such as 1,3-butadiene, isoprene, 1,3-1 pentadiene, and 1,3-hexadiene; cyclopentadiene And cyclic conjugated genes such as methylcyclopentene; non-conjugated genes such as 1,2-butadiene and 1,1,4-pentagen.
- chain conjugated gens such as 1,3-butadiene, isoprene, 1,3-1 pentadiene, and 1,3-hexadiene
- cyclopentadiene And cyclic conjugated genes such as methylcyclopentene
- non-conjugated genes such as 1,2-butadiene and 1,1,4-pentagen.
- the amount of the olefinic hydrocarbon monomer having 4 to 6 carbon atoms is from 50 to 95% by weight, preferably from 65 to 90% by weight, more preferably from 50 to 95% by weight, based on the total amount of the monomer mixture. 72 to 90% by weight. If the amount is small, the adhesive composition obtained will have poor adhesiveness, and if it is too large, the color tone will be deteriorated and the adhesiveness will be poor.
- the ratio of the monoolefinic unsaturated hydrocarbon having 4 to 6 carbon atoms to the diolefinic unsaturated hydrocarbon having 4 to 6 carbon atoms is 20/80 to 80/20 by weight, more preferably 2/80. It is preferably in the range of 5/75 to 75/25.
- 1,3-pentadiene is added to the total amount of the olefinic unsaturated hydrocarbon monomer having 4 to 6 carbon atoms. E down the 1 5-7 5 weight 0 /. Is preferably included in the range.
- relative Orefu fin unsaturated hydrocarbon total amount of 4 to 6 carbon atoms it is preferred to include in the range of 1-3 0 weight 0/0 Isopuren .
- the amount of styrene used is 5 to 50% by weight, preferably 10 to 35% by weight, more preferably 10 to 28% by weight, based on the total amount of the monomer mixture.
- the amount is small, the color of the adhesive composition is deteriorated and the adhesiveness is poor, and when the amount is large, the adhesiveness is deteriorated.
- the petroleum resin of the present invention contains a monomer unit composed of an olefinic hydrocarbon having 4 to 6 carbon atoms and another monomer copolymerizable with styrene, as long as the effect of the present invention is not substantially impaired. It may be.
- Such other monomers include, for example, 2,4,4-trimethyl-11-pentene, 2,4,4-trimethyl-2-pentene, ⁇ -methinolestyrene, vinyltonolene, dicyclo Pentagen, indene, coumarone and the like.
- other monomers copolymerizable with olefinic hydrocarbons having 4 to 6 carbon atoms and styrene can be used as long as the effects of the present invention are not essentially impaired.
- the petroleum resin of the present invention has a melting hue of 4 or less in Gardner color number, a softening point of 60-: L30 ° C, and a weight-average molecular weight of 1,000--10,000. It is essential.
- the melting hue of the petroleum resin is preferably 3 or less, more preferably 2 or less.
- This melting hue is determined by heating and melting a petroleum resin and comparing the hue of the melt with a Gardner single color number standard solution. The smaller the Gardner color number, the better the color tone. . The same petroleum resin was measured. In this case, the molten hue shows a value about 2 times larger than the solution hue measured for the hue of a 50% by weight toluene solution of the petroleum resin.
- the softening point of the petroleum resin is from 60 to 130 ° C, preferably from 80 to 120 ° C, more preferably from 100 to 120 ° C. Even if the softening point is low or high, the adhesive composition has poor adhesion.
- the weight average molecular weight of the petroleum resin is from 1,000 to 10,000, preferably from 1,500 to 7,000. Regardless of whether the weight average molecular weight is low or high, the adhesive composition has poor adhesion.
- the ratio (Mw / Mn) of the weight average molecular weight (Mw) to the number average molecular weight (Mn) of the petroleum resin is preferably 1.2 to 4, more preferably 1.5 to 3.5. . When the ratio is within the above range, an adhesive composition having excellent adhesiveness can be obtained.
- the petroleum resin of the present invention is preferably produced by the following production method.
- a halogenated hydrocarbon which is a hydrocarbon (B 2) and as a polymerization catalyst, in a saturated hydrocarbon solvent and / or an aromatic hydrocarbon solvent, a monocyclic unsaturated hydrocarbon having 4 to 6 carbon atoms is used.
- at least part of (A) and / or at least part of (B) are added to the reactor after the polymerization reaction is started. And polymerized.
- Examples of the polymerization catalyst include (A) an organoaluminum compound, (B) a halogenated hydrocarbon (B 1) in which a halogen atom is bonded to a tertiary carbon atom, or carbon (B).
- organoaluminum compound (A) examples include alkyl aluminum compounds such as trimethylaluminum, triethylaluminum, triptylaluminum, and triisobutylaluminum; ethylaluminum dichloride, ethylaluminum dibromide And halogenated alkylaluminum compounds such as ethynolenole minichloride, getylaluminum bromide, ethylanoleminium sesquicube mouth, and ethinolenolemezium sesquib mouthide.
- the above-mentioned organic aluminum compound (A) may be used alone or in combination of two or more.
- alkylaluminum halide compounds are preferred, and ethylaluminum dimethylsulfite, getylaluminumchloride, and ethylaluminum sesquikride are more preferred, and ethylethylaluminum sesquikride is more preferred. It can be particularly preferably used.
- the amount of (A) used is preferably 0.05 to 10 parts by weight, more preferably 0.1 to 5 parts by weight, based on 100 parts by weight of the monomer mixture used for the polymerization. If the amount is small, the polymerization yield is reduced and the productivity is poor, and if it is large, the color tone of the obtained petroleum resin tends to deteriorate.
- Halogenated hydrocarbon is a halogenated hydrocarbon in which a halogen atom is bonded to a tertiary carbon atom (B1) or a halogenated hydrocarbon in which a halogen atom is bonded to a carbon atom adjacent to a carbon-carbon unsaturated bond. (B 2).
- halogenated hydrocarbon (B 1) for example, t-butyl chloride , T-ptinolebromide, 2-chloro-2-methinolevbutane, triphenylmethyl chloride and the like.
- t-butyl chloride can be preferably used.
- Unsaturated bonds in halogenated hydrocarbons (B 2) in which a halogen atom is bonded to a carbon atom adjacent to a carbon-carbon unsaturated bond include a carbon-carbon double bond and a carbon-carbon triple bond. And carbon-carbon double bonds in the aromatic ring.
- halogenated hydrocarbon (B 2) examples include, for example, benzyl chloride, benzinolepromide, (1-chloroethynole) benzene, arinochloride, 3-chloro-1-propyne, and 3-chloro-1-butene. , 3-black mouth 1-leptin, ca-skin chloride and the like. Among them, benzyl chloride can be preferably used.
- the above (B) may be used alone or in combination of two or more.
- the amount of (B) used is preferably in the range of 0.05 to 50, more preferably in the range of 0.1 to 10 in a molar ratio to (A). If the amount is small, the polymerization yield is low and the productivity is low. On the contrary, if the amount is large, the color tone of the obtained petroleum resin tends to deteriorate.
- (A) It is preferably at least 50% by weight, more preferably at least 70% by weight, particularly preferably at least 90% by weight, based on the total amount.
- (B) It is preferably at least 50% by weight, more preferably at least 70% by weight, particularly preferably at least 90% by weight, based on the total amount.
- At least a part of the organoaluminum compound and / or (B) at least a part of the halogenated hydrocarbon are added to the reactor in a divided manner.
- a continuous addition method is mentioned. Among them, the method of continuously adding is preferable in that a petroleum resin having a better color tone can be produced.
- the addition speed during continuous addition may be constant or may be varied.
- the components can be diluted with the solvent used in the polymerization and added. .
- saturated hydrocarbon solvent examples include n-pentane, n-hexane, 2-Methynolepentane, 3-Methynolepentane, n-Heptane, 2-Methynolehexane, 3-Methynolehexane, 3-Ethynolepentane, 2,2-Dimethynolepentane, 2,3-Dimethylpentane, 2,4-Dimethylpentane, 3 Chain saturated hydrocarbons having 5 to 10 carbon atoms, such as 1,3-dimethylpentane, 2,2,3-trimethylbutane, 2,2,4-trimethylpentane; cyclopentane, cyclohexane, cycloheptane And a cyclic saturated hydrocarbon having 5 to 10 carbon atoms such as cyclooctane.
- aromatic hydrocarbon solvent examples include aromatic hydrocarbons having 6 to 10 carbon atoms, such as benzene, toluene, and xylene.
- the above solvents may be used alone or in combination of two or more. When used in a mixture, the ratio can be appropriately selected.
- the above-mentioned solvent does not have a halogen substituent such as a chlorine atom or a bromine atom from the viewpoint of improving the color tone of the obtained petroleum resin.
- the amount of the solvent to be used is preferably 100 to 100 parts by weight, more preferably 50 to 500 parts by weight, per 100 parts by weight of the monomer mixture. If the amount is large, the productivity is inferior. On the other hand, if the amount is small, it becomes difficult to remove the reaction heat, and the color tone of the obtained petroleum resin tends to deteriorate.
- the solvent may be added in its entirety in advance to the reactor, or a part of the solvent may be added to the reactor, and the remainder may be added after the polymerization is started.
- the amount of the monomer mixture added before starting the polymerization reaction is preferably 1 to 50% by weight, more preferably 5 to 30% by weight, based on the total amount of the monomer mixture.
- the method of addition of the remainder added after the polymerization reaction has started Or a method of continuous addition.
- the method of continuous addition can be preferably employed, since the reaction temperature can be easily controlled and a petroleum resin having excellent color tone can be easily produced.
- the rate of addition in the case of continuous addition may be constant or may be varied.
- the monomer mixture can be added to the reactor by adding each monomer separately to the reactor, or by adding a pre-mixed one, or by diluting with the solvent used for polymerization. May be.
- a cyclic monoolefin is preferably exemplified.
- the addition amount is preferably in the range of 5 to 50 parts by weight based on 100 parts by weight of the solvent previously added to the reactor.
- the starting point and the end point of the continuous addition are as follows. It is preferable that at least a part of A) and / or at least a part of (B) start and end times of the continuous addition are respectively matched.
- the polymerization temperature is usually from 120 to: L 0 ° C, more preferably from 0 to 80 ° C. If the polymerization temperature is low, the polymerization activity is reduced and the productivity is poor, and if it is high, the color of the petroleum resin tends to deteriorate.
- the pressure during the polymerization reaction may be under atmospheric pressure or under pressure.
- the reaction time can be appropriately selected, but is usually 30 minutes to 12 hours, preferably; ⁇ 6 hours.
- the polymerization reaction is carried out as described above, and the polymerization reaction is stopped at a desired polymerization conversion rate by adding a polymerization terminator such as methanol or an aqueous ammonia solution.
- the polymerization conversion rate at the time of stopping the Polymerization reaction good has 6 0-9 0 weight 0/0 Good. If the polymerization conversion is too low, the productivity of the petroleum resin will be poor, and if it is too high, the color tone will tend to deteriorate. In this case, due to the high polymerization reactivity of styrene, the amount of styrene units in the obtained petroleum resin tends to be higher than the styrene content in the monomer mixture used for the polymerization. There is.
- a polymerization terminator is added to inactivate the polymerization catalyst, and the solvent-insoluble catalyst residue generated by filtration can be removed by filtration.
- the adhesive composition of the present invention contains 30 to 400 parts by weight, preferably 50 to 300 parts by weight of the above petroleum resin as a tackifier with respect to 100 parts by weight of the thermoplastic polymer compound. Do it. By setting the mixing ratio in the above range, an adhesive composition having excellent adhesiveness can be obtained.
- thermoplastic polymer compound rubbers such as natural rubber, polyisoprene, polybutadiene, and polyisobutylene, which are conventionally used in the field of hot-melt adhesives; low-density polyethylene, ethylene monoacetate copolymer And thermoplastic resins such as ethylene-ethyl acrylate copolymers, polyamides, and polyesters; and thermoplastic elastomers such as aromatic vinyl-conjugated gemrock copolymers and hydrogenated products thereof. .
- ethylene monoacetate butyl copolymer, aromatic vinyl conjugated genploc copolymer and hydrogenated products thereof can be preferably used.
- the ethylene monoacetate copolymer has a unit content of butyl acetate of 1 0-5 0 weight 0/0, preferably 1 5-4 0 weight 0/0, melt flow ray bets is l to 5 0 0 g / l 0 min ones can be preferably used.
- aromatic butyl-conjugated diblock copolymer and its hydrogenated product examples include styrene-butadiene-styrene block copolymer, styrene-isoprene-styrene block copolymer, and hydrogenated products thereof.
- styrene-butadiene-styrene block copolymer examples include styrene-butadiene-styrene block copolymer, styrene-isoprene-styrene block copolymer, and hydrogenated products thereof.
- Those having a weight average molecular weight of 50,000 to 100,000 and a styrene unit content of 5 to 50% by weight can be preferably used.
- one styrene block copolymer is preferably a styrene unit content of 2 5-4 5 weight 0/0, in the case of Suchireni Sopure Hmm styrene Proc copolymer, a styrene unit content of 1 0 Those having a content of up to 30% by weight can be preferably used.
- the tackifier other than the petroleum resin of the present invention can be blended with the adhesive composition of the present invention as long as the effect of the present invention is not substantially impaired.
- tackifiers include rosin-based resins, terpene-based resins, aliphatic (C5-based) petroleum resins, aromatic (C9-based) petroleum resins, and copolymer-based (C5- C9) Petroleum resin, Coumarone. Indene resin and hydrogenated products thereof; alkylphenol resin, rosin-modified phenol resin, xylene resin and the like.
- the adhesive composition of the present invention may further contain, if necessary, a desired amount of a plasticizer, a wax, a filler, an antioxidant, an ultraviolet absorber and the like.
- plasticizer examples include extender oils such as aromatic process oils, paraffin process oils, and naphthene process oils; and liquid polymers such as liquid polyptene and liquid polyisobutylene.
- wax examples include carnauba wax, montan wax, Examples include noraffin wax, microcrystalline wax, Fishert mouth push putters, and polyethylene wax.
- anti-aging agent examples include 2,6-di-tert-butyl-p-creso-nore, pentaerythrityl'te-trakis [3- (3,5-di-tert-p-in-butane-4-hydroxyphenyl)] Hindered phenolic compounds such as propionate; thiodicarboxylate esters such as dilauryl thiodipropionate and distearyl thiodipropionate; tris (noninolephenyl) phosphite; 4,4,1-butylidene Phosphites such as bis (3-methinole-6-tert-butynolepheninolate) ditridecinolephosphite; and the like.
- the adhesive composition may be prepared according to a conventional method.
- the adhesive composition is obtained by kneading the components constituting the adhesive composition while heating and melting at 150 to 200 ° C.
- the adhesive composition may be melt-coated on the substrate immediately after its preparation, or may be once formed into a rod-like or granular shape and then supplied to the coating device.
- the adhesive composition of the present invention is preferably used as a hot-melt adhesive composition, but may be used in the state of being dissolved or dispersed in a solvent.
- the solvent include aliphatic hydrocarbons such as n-hexane and cyclohexane; aromatic hydrocarbons such as benzene, toluene and xylene; halides thereof, and water.
- the adhesive composition of the present invention is usually applied to a substrate in a heated and molten state.
- the substrate include papers such as kraft paper, Japanese paper, high-quality paper, and synthetic paper; cloths such as cotton cloth, suf cloth, and polyester cloth; cellophane, polyvinyl chloride vinyl polyolefin, polyethylene propylene polypropylene, and polyethylene polypropylene.
- Resin film Metal foil such as aluminum foil and copper foil;
- Nonwoven fabrics such as a woven fabric and a rayon nonwoven fabric are exemplified.
- These substrates may be those whose surfaces have been subjected to corona discharge treatment or a primer applied in advance.
- Examples of the coating device include a roll coater, a nozzle type applicator, a jig type applicator, and the like provided with a heating device.
- the adhesive composition is melt-coated on the substrate, and before the adhesive composition is completely solidified, an adherend made of the same or different material as the material constituting the substrate can be pressed and bonded.
- substrate can also be made to adhere to an adherend as what is called an adhesive tape.
- the adhesive composition of the present invention includes sanitary articles such as disposable disposable diapers and sanitary napkins; food packaging such as frozen foods, fresh foods and confections; packaging of parts such as automobile parts and machine parts; televisions, audio products, refrigerators and the like. Electrical products Packing; binding for slips, books, and catalogs; kraft bags, polypropylene bags, polyethylene bags, etc .; bagging for coats, lamination of leather and fabric, and interlining It can be used for clothing applications such as bonding; among others, it has good color tone and excellent adhesiveness, so it can be suitably used for sanitary goods and food packaging.
- the evaluation method was performed as follows.
- the petroleum resin is melted at 150 ° C., and the hue of the melt is measured according to JIS 071-2, and is indicated by the Gardner color number.
- a 50% toluene solution of a petroleum resin was prepared, and the hue of this solution was measured according to JIS K071-2 and indicated by the Gardner color number.
- the measurement was performed according to JIS K 6863.
- the measurement was performed at a predetermined temperature according to JIS K 6854-2.
- the measurement was carried out at a predetermined temperature according to JIS K 6854-3.
- a toluene solution containing 0.8 parts of ethyl aluminum dichloride (EAD C) was added Into the reactor were charged 100 parts of pentane, and 20 parts of cyclopentene. After heating to 50 ° C, a toluene solution containing 0.8 parts of ethyl aluminum dichloride (EAD C) was added. Subsequently, a monomer mixture consisting of 9 parts of 1,3-pentagene, 26 parts of cyclopentene, 3 parts of isoprene, 20 parts of styrene and 2 parts of butenes, and a 2-fold molar amount to EADC. The corresponding amount of t-butyl chloride was polymerized through a separate line, with continuous addition to the reactor over a period of 90 minutes.
- EAD C ethyl aluminum dichloride
- the obtained polymer solution was charged into a distillation still and heated under a nitrogen atmosphere to remove the polymerization solvent and unreacted monomers. Then, at 240 ° C. or higher, low molecular weight oligomer components were distilled off while blowing saturated steam. To 100 parts of the molten resin, 0.3 part of 2,6-di-tert-butyl-p-taresol was added as an antioxidant, and after mixing, the molten resin was taken out from the still and allowed to reach room temperature. Upon cooling, petroleum resin A was obtained.
- the adhesive composition obtained above was melt-coated on a polyethylene terephthalate film having a thickness of lmi 1 so as to have a thickness of 30 ⁇ m.
- the coated film was cut at a width of 1 Omm, the coated surface was brought into contact with the polyethylene plate, and the 2 kg roller was reciprocated three times from above to compress the coated film and the polyethylene plate. Produced.
- the test piece was measured for its 180 ° peel strength at 23 ° C. Table 1 shows the results.
- EASC ethyl aluminum sesquique mouth light
- Example 3 An adhesive composition was prepared and evaluated in the same manner as in Example 1 except that petroleum resin B was used instead of petroleum resin A. Table 1 shows the evaluation results. (Example 3)
- Petroleum resin C was obtained in the same manner as in Example 2, except that benzyl mouth was used in an amount equivalent to twice the amount of EASC instead of t-butyl mouth. The physical properties were measured, and the results are shown in Table 1.
- Example 4 An adhesive composition was prepared and evaluated in the same manner as in Example 1 except that petroleum resin C was used instead of petroleum resin A. Table 1 shows the evaluation results. (Example 4)
- the obtained polymer solution was charged into a distillation still and heated under a nitrogen atmosphere to remove the polymerization solvent and unreacted monomers. Then, at 240 ° C. or higher, low molecular weight oligomer components were distilled off while blowing saturated steam. 0.3 parts of 2,6-di-t-butyl-p-cresol as an antioxidant was added to 100 parts of the molten resin, mixed, and then the molten resin was taken out of the still and allowed to reach room temperature. After cooling, petroleum resin D was obtained.
- Example 5 An adhesive composition was prepared and evaluated in the same manner as in Example 1 except that petroleum resin A was used instead of petroleum resin A. Table 1 shows the evaluation results. (Example 5)
- the reactor was charged with 100 parts of pentane and 20 parts of cyclopentene, and the temperature was raised to 50 ° C. Then, 29 parts of 1,3-pentadiene, 26 parts of cyclopentene, 3 parts of isoprene, and 2 parts of styrene A monomer mixture consisting of 0 parts and 2 parts of butenes, a toluene solution containing 0.8 parts of EASC, and a 2-fold molar amount of benzyl chloride based on EASC were reacted for 90 minutes.
- a petroleum resin E was obtained in the same manner as in Example 1 except that the polymerization was carried out while continuously adding to the vessel. The physical properties were measured and the results are shown in Table 1.
- Example 6 An adhesive composition was prepared and evaluated in the same manner as in Example 1 except that petroleum resin E was used instead of petroleum resin A. Table 1 shows the evaluation results. (Example 6)
- a toluene solution containing 0.8 part of EADC was added Into the reactor were charged 100 parts of pentene and 20 parts of pentene, and after raising the temperature to 65 ° C., a toluene solution containing 0.8 part of EADC was added. Subsequently, a monomer mixture consisting of 12 parts of 1,3-pentadiene, 26 parts of cyclopentene, 20 parts of isoprene, 20 parts of styrene and 2 parts of butenes was added in an amount equivalent to twice the amount of EADC. The polymerization was carried out by continuously adding the t-butyl alcohol through separate lines to the reactor over a period of 90 minutes.
- the obtained polymer solution was charged into a distillation still and heated under a nitrogen atmosphere to remove the polymerization solvent and unreacted monomers. Next, at 240 ° C. or higher, low-molecular-weight oligomer components were distilled off while blowing saturated steam. To 100 parts of the molten resin, 0.3 part of 2,6-di-tert-butyl-p-talesole was added as an antioxidant and mixed, then the molten resin was taken out of the still and allowed to reach room temperature. After cooling, petroleum resin F was obtained.
- Petroleum resin G was obtained in the same manner as in Example 1, except that 20 parts of styrene was replaced with 20 parts of ⁇ -methylstyrene. The physical properties were measured, and the results are shown in Table 1.
- Example 2 The same as in Example 1 except that petroleum resin G was used instead of petroleum resin ⁇ Then, an adhesive composition was prepared and evaluated. Table 1 shows the evaluation results. (Comparative Example 2)
- Petroleum resin H was obtained in the same manner as in Example 1 except that t-butyl chloride was not used and instead of EADC, 0.8 parts of boron trifluoride-getyl ether complex was used. The physical properties were measured, and the results are shown in Table 1.
- An adhesive composition was prepared and evaluated in the same manner as in Example 1 except that petroleum resin H was used instead of petroleum resin A. Table 1 shows the evaluation results. (Comparative Example 3)
- Petroleum resin I was obtained in the same manner as in Comparative Example 2, except that 0.8 parts of aluminum trichloride was used instead of the boron trifluoride-diethyl ether complex.
- An adhesive composition was prepared and evaluated in the same manner as in Example 1 except that petroleum resin I was used instead of petroleum resin A. Table 1 shows the evaluation results.
- EASC ethyl aluminum sesquique mouth ride
- Table 1 shows the following.
- the adhesive composition using petroleum resin G of Comparative Example 1 obtained by polymerizing a monomer mixture containing ⁇ -methylstyrene has excellent color tone but poor adhesion.
- Petroleum resin ⁇ of Comparative Example 2 obtained using boron trifluoride as a polymerization catalyst has a low softening point and a low weight average molecular weight, and the adhesive composition using this petroleum resin has excellent color tone, Is extremely poor.
- the petroleum resin I of Comparative Example 3 obtained by using aluminum trichloride as a polymerization catalyst has a dark color, and shows a high numerical value in both the melt hue and the solution hue.
- Adhesive compositions using arboreal petroleum resins are excellent in adhesiveness, but have poor color tone and are not suitable for sanitary products.
- the adhesive composition produced by the production method specified in the present invention and using a petroleum resin in the range specified in the present invention has a good color tone and excellent adhesion.
- the adhesiveness becomes more excellent.
- the petroleum resin of the present invention is suitable as a hot-melt adhesive for sanitary goods.
- the adhesive composition obtained above was melt-coated on an aluminum sheet having a thickness of 100 m so as to have a thickness of 50 ⁇ m.
- This coated sheet is cut to a width of 25 mm, and the coated surface is made of aluminum with a thickness of 100 / m. Brought into contact with the sheet, in 1 0 5 NZM 2 pressurized conditions, 2 seconds at 140 ° C, by crimping Caro heat to prepare a test piece.
- the T-peel strength at 30 ° C of this test piece was measured and is shown in Table 2.
- the adhesive composition produced by the production method specified by the present invention and using a petroleum resin within the range specified by the present invention has a good color tone and excellent adhesiveness. Above all, when petroleum resin F having a high softening point is used, the adhesiveness becomes more excellent. Industrial applicability
- an adhesive composition having good color tone and excellent adhesiveness, a petroleum resin suitable as a tackifier component of the adhesive composition, and an industrially easy production of the petroleum resin A method for producing a petroleum resin is provided.
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- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
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Abstract
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007136783A (ja) * | 2005-11-16 | 2007-06-07 | Tohcello Co Ltd | 積層フィルム及び積層フィルムからなる包装材料 |
WO2011002083A1 (ja) * | 2009-07-03 | 2011-01-06 | 東セロ株式会社 | 表面保護フィルム |
CN102372809A (zh) * | 2010-08-25 | 2012-03-14 | 中国石油天然气股份有限公司 | 一种浅色间戊二烯石油树脂的制备方法 |
CN105348443A (zh) * | 2014-09-29 | 2016-02-24 | 宁波金海晨光化学股份有限公司 | 合成间戊二烯石油树脂用催化体系及间戊二烯石油树脂的制备方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5021088A (ja) * | 1973-06-25 | 1975-03-06 | ||
JPS50136385A (ja) * | 1974-04-19 | 1975-10-29 | ||
JPS53145896A (en) * | 1977-05-26 | 1978-12-19 | Sumitomo Chem Co Ltd | Preparation of petroleum resin |
JPS6433105A (en) * | 1987-07-30 | 1989-02-03 | Maruzen Petrochem Co Ltd | New hydrogenated petroleum resin and its production |
JPH09316116A (ja) * | 1996-05-30 | 1997-12-09 | Nippon Zeon Co Ltd | 炭化水素樹脂の製造方法 |
-
2004
- 2004-01-15 WO PCT/JP2004/000237 patent/WO2004065439A1/ja active Application Filing
- 2004-01-15 JP JP2005508034A patent/JPWO2004065439A1/ja active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5021088A (ja) * | 1973-06-25 | 1975-03-06 | ||
JPS50136385A (ja) * | 1974-04-19 | 1975-10-29 | ||
JPS53145896A (en) * | 1977-05-26 | 1978-12-19 | Sumitomo Chem Co Ltd | Preparation of petroleum resin |
JPS6433105A (en) * | 1987-07-30 | 1989-02-03 | Maruzen Petrochem Co Ltd | New hydrogenated petroleum resin and its production |
JPH09316116A (ja) * | 1996-05-30 | 1997-12-09 | Nippon Zeon Co Ltd | 炭化水素樹脂の製造方法 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007136783A (ja) * | 2005-11-16 | 2007-06-07 | Tohcello Co Ltd | 積層フィルム及び積層フィルムからなる包装材料 |
WO2011002083A1 (ja) * | 2009-07-03 | 2011-01-06 | 東セロ株式会社 | 表面保護フィルム |
CN102471646A (zh) * | 2009-07-03 | 2012-05-23 | 三井化学东赛璐株式会社 | 表面保护膜 |
JP5916386B2 (ja) * | 2009-07-03 | 2016-05-11 | 三井化学株式会社 | 表面保護フィルム |
CN102372809A (zh) * | 2010-08-25 | 2012-03-14 | 中国石油天然气股份有限公司 | 一种浅色间戊二烯石油树脂的制备方法 |
CN105348443A (zh) * | 2014-09-29 | 2016-02-24 | 宁波金海晨光化学股份有限公司 | 合成间戊二烯石油树脂用催化体系及间戊二烯石油树脂的制备方法 |
CN105348443B (zh) * | 2014-09-29 | 2018-10-26 | 宁波金海晨光化学股份有限公司 | 合成间戊二烯石油树脂用催化体系及间戊二烯石油树脂的制备方法 |
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