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WO2019171709A1 - Composition d'adhésif à base de polyoléfine - Google Patents

Composition d'adhésif à base de polyoléfine Download PDF

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Publication number
WO2019171709A1
WO2019171709A1 PCT/JP2018/047156 JP2018047156W WO2019171709A1 WO 2019171709 A1 WO2019171709 A1 WO 2019171709A1 JP 2018047156 W JP2018047156 W JP 2018047156W WO 2019171709 A1 WO2019171709 A1 WO 2019171709A1
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WO
WIPO (PCT)
Prior art keywords
adhesive composition
acid
mass
propylene
solvent
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2018/047156
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English (en)
Japanese (ja)
Inventor
木津本　博俊
祥平 岡野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyobo Co Ltd
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Toyobo Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toyobo Co Ltd filed Critical Toyobo Co Ltd
Priority to JP2020504802A priority Critical patent/JP7342851B2/ja
Publication of WO2019171709A1 publication Critical patent/WO2019171709A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • 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
    • C09J11/02—Non-macromolecular additives
    • C09J11/06—Non-macromolecular additives organic
    • 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
    • C09J123/26—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 modified by chemical after-treatment

Definitions

  • the present invention relates to an adhesive composition that exhibits good adhesion performance to olefin-based resin substrates such as polyethylene and polypropylene.
  • Patent Documents 1 and 2 are examples of moisture-curing adhesives, and are not suitable for film adhesion or coating agents.
  • Patent Documents 3 to 6 are all water-based adhesives, but the emulsifier contained in the adhesive and the wetting agent used in coating cause bleeding out, resulting in a decrease in adhesiveness and a problem with water resistance. In some cases, and since it is water-based, high temperature heating is required to dry the adhesive, and thus it may not be applicable to a substrate having a low softening point such as polyethylene.
  • the present invention can be applied at a low temperature (80 ° C.), and exhibits good adhesion performance and water resistance to olefin-based tree substrates such as polyethylene and polypropylene. And it aims at providing the adhesive composition with favorable storage stability.
  • the acid value of the acid-modified polyolefin (A) is preferably 2 to 50 mgKOH / g, and the melting point is preferably 50 to 95 ° C.
  • the tackifier (B) is preferably in the range of 5 to 80 parts by mass with respect to 100 parts by mass of the acid-modified polypropylene (A).
  • the organic solvent (C) preferably contains a hydrocarbon solvent (C1) and a polar solvent (C2) comprising an ester solvent and / or a ketone solvent, and further contains an alcohol solvent (C3). It is more preferable.
  • any of the above-mentioned adhesive compositions used for adhesion of a polyethylene substrate, and a laminate of polyethylene substrates bonded using the adhesive composition are any of the above-mentioned adhesive compositions used for adhesion of a polyethylene substrate, and a laminate of polyethylene substrates bonded using the adhesive composition.
  • the adhesive composition of the present invention has good storage stability, is excellent in adhesion and water resistance to low surface energy substrates such as polyolefin resins, and is useful for adhesion of substrates such as polyethylene. . Moreover, it is suitable also as adhesion
  • the acid-modified polyolefin (A) used in the present invention is not limited, but at least one of polyethylene, polypropylene, and propylene / ⁇ -olefin copolymer includes at least one of ⁇ , ⁇ -unsaturated carboxylic acid and acid anhydride thereof. What is obtained by grafting 1 type is preferable.
  • the propylene / ⁇ -olefin copolymer is obtained by copolymerizing ⁇ -olefin with propylene as a main component.
  • ⁇ -olefin for example, ethylene, 1-butene, 1-heptene, 1-octene, 4-methyl-1-pentene, vinyl acetate, or the like can be used.
  • ethylene and 1-butene are preferable, and 1-butene is most preferable.
  • Examples of at least one of ⁇ , ⁇ -unsaturated carboxylic acid and acid anhydrides thereof include maleic acid, itaconic acid, citraconic acid, and acid anhydrides thereof.
  • acid anhydrides are preferable, and maleic anhydride is more preferable.
  • These acid-modified polyolefins can be used alone or in combination of two or more. Of these, maleic anhydride-modified propylene / 1-butene copolymer is preferred.
  • the acid value of the acid-modified polyolefin (A) is preferably in the range of 2 to 50 mgKOH / g from the viewpoint of adhesion to the polyolefin resin substrate and compatibility with the tackifier (B).
  • the range is more preferably 3 to 40 mgKOH / g, still more preferably 5 to 30 mgKOH / g, and particularly preferably 7 to 25 mgKOH / g.
  • the melting point (Tm) of the acid-modified polyolefin (A) is preferably in the range of 50 ° C to 95 ° C. More preferably, it is in the range of 55 ° C to 80 ° C, and most preferably in the range of 60 ° C to 75 ° C. If it is less than the above value, the cohesive force derived from crystals becomes weak, and the adhesiveness and chemical resistance may be inferior. On the other hand, when the above value is exceeded, the solution stability and fluidity are low, and there may be a problem in operability when bonding.
  • the acid-modified polyolefin (A) preferably has propylene and 1-butene as olefin components.
  • the molar ratio of propylene is 60% or more, excellent adhesiveness with a polyolefin substrate can be expressed.
  • the molar ratio of 1-butene is 2% or more, the solubility in an organic solvent is increased, and the coating property as an adhesive is improved.
  • the total amount of propylene and 1-butene component is preferably 62 mol% or more. More preferably, it is 80 mol% or more, More preferably, it is 90 mol% or more, Especially preferably, it is 95 mol% or more, and it may be 100 mol%. If it is less than the above value, the adhesion and chemical resistance may decrease.
  • the weight average molecular weight (Mw) of the acid-modified polyolefin (A) is preferably in the range of 10,000 to 200,000. More preferably, it is in the range of 20,000 to 180,000, more preferably in the range of 30,000 to 160,000, particularly preferably in the range of 40,000 to 140,000, and most preferably 50 , 110,000 to 110,000. If it is less than the above value, the cohesive force becomes weak and the adhesiveness may be inferior. On the other hand, when the above value is exceeded, there may be a problem in operability when bonding due to low fluidity, and the compatibility with the tackifier (B) may be poor.
  • the method for producing the acid-modified polyolefin (A) is not particularly limited, and for example, radical graft reaction (that is, generating radical species for the polymer to be the main chain, and using the radical species as a polymerization initiation point, the unsaturated carboxylic acid and Reaction for graft polymerization of an acid anhydride).
  • radical graft reaction that is, generating radical species for the polymer to be the main chain, and using the radical species as a polymerization initiation point, the unsaturated carboxylic acid and Reaction for graft polymerization of an acid anhydride.
  • organic peroxide is not particularly limited, but di-tert-butyl peroxyphthalate, tert-butyl hydroperoxide, dicumyl peroxide, benzoyl peroxide, tert-butyl peroxybenzoate, tert-butyl peroxy- Peroxides such as 2-ethylhexanoate, tert-butyl peroxypivalate, methyl ethyl ketone peroxide, di-tert-butyl peroxide, lauroyl peroxide; azobisisobutyronitrile, azobisisopropionitrile, etc. Examples thereof include azonitriles.
  • the tackifier (B) used in the present invention needs to be a styrene-modified terpene resin.
  • the styrene-modified terpene resin is preferably a copolymer resin of a styrene monomer and a terpene monomer.
  • the tackifier (B) is a styrene-modified terpene resin, the adhesiveness, water resistance and chemical resistance of the adhesive composition are improved.
  • styrene monomer examples include styrene, alkyl styrene, aryl styrene, halogenated styrene, alkoxy styrene, vinyl benzoate and the like.
  • alkyl styrene examples include o-methyl styrene, m-methyl styrene, p-methyl styrene, o-ethyl styrene, m-ethyl styrene, p-ethyl styrene, on-propyl styrene, mn-propyl styrene, p -N-propyl styrene, o-isopropyl styrene, m-isopropyl styrene, p-isopropyl styrene, mn-butyl styrene, pn-butyl styrene, p-tert-butyl styrene, 4-butenyl styrene, 2, Examples include 4-dimethylstyrene, 2,5-dimethylstyrene,
  • aryl styrene examples include p-phenyl styrene.
  • halogenated styrene o-fluorostyrene, m-fluorostyrene, p-fluorostyrene, o-chlorostyrene, m-chlorostyrene, p-chlorostyrene, o-bromostyrene, m-bromostyrene, p-bromostyrene And o-methyl-p-fluorostyrene.
  • alkoxystyrene examples include o-methoxystyrene, m-methoxystyrene, p-methoxystyrene and the like. Of these, styrene is particularly preferred.
  • the styrene monomer may be used alone or in combination of two or more.
  • the styrene-modified terpene resin is preferably a resin represented by the structure of the general formula (1).
  • R is hydrogen, an alkyl group having 1 to 10 carbon atoms, an aryl group having 6 to 12 carbon atoms, halogen (fluorine, chlorine, bromine, iodine), or an alkoxy group having 1 to 10 carbon atoms.
  • R is hydrogen, an alkyl group having 1 to 10 carbon atoms, an aryl group having 6 to 12 carbon atoms, halogen (fluorine, chlorine, bromine, iodine), or an alkoxy group having 1 to 10 carbon atoms.
  • m is preferably an integer of 1 to 10, more preferably 2 to 8, and still more preferably 3 to 5.
  • n is preferably an integer of 1 to 10, more preferably 2 to 8, and still more preferably 3 to 5.
  • the styrene-modified terpene resin used for the tackifier (B) has high compatibility with the acid-modified polyolefin (A). Due to the high compatibility with the acid-modified polyolefin, excellent adhesion is exhibited.
  • the method for confirming compatibility include a method for confirming the transparency of a dried coating film prepared by mixing the acid-modified polyolefin (A) and the tackifier (B). The higher the transparency, the higher the compatibility. It is judged. The transparency can be confirmed visually, but more accurately can be determined by using a HAZE meter (preferably 1.0 or less, more preferably 0.5 or less).
  • the dynamic viscoelastic property of the produced dry film is measured, and if the main dispersion peak of the loss elastic modulus (E ′′) is not broad compared with that before the tackifier (B) is blended, the compatibility is good. To be judged.
  • the content of the tackifier (B) in the adhesive composition of the present invention is preferably in the range of 5 to 80 parts by mass, more preferably 8 to 60 parts by mass with respect to 100 parts by mass of the acid-modified polyolefin (A). More preferably, it is 10 to 50 parts by mass, and most preferably 20 to 40 parts by mass. If it is less than the above value, the adhesion to the polyolefin substrate may be inferior. On the other hand, when the above value is exceeded, the cohesive strength of the acid-modified polyolefin (A) may be inhibited, and the adhesive strength and chemical resistance may be lowered.
  • the softening point of the tackifier (B) is preferably 60 ° C or higher, more preferably 70 ° C or higher, further preferably 80 ° C or higher, and particularly preferably 110 ° C or higher. Moreover, 160 degrees C or less is preferable, 150 degrees C or less is more preferable, and 130 degrees C or less is especially preferable. If it is less than 60 ° C., tackiness remains in the dried coating film, which may affect workability. When it exceeds 160 degreeC, adhesiveness with a polyolefin base material may be inferior.
  • the softening point can be measured from ISO4625-1: 2004.
  • the number average molecular weight is preferably 500 or more, more preferably 700 or more, further preferably 800 or more, preferably 1800 or less, more preferably 1600 or less, and further preferably 1500 or less. If it is less than 500, the physical properties of the coating film made of the adhesive composition may be lowered, or the surface of the coating film may bleed out. If it exceeds 1800, the compatibility with the acid-modified polyolefin (A) becomes poor. Sometimes.
  • Organic solvent (C) used in the present invention is not limited as long as it dissolves the acid-modified polyolefin (A) and the tackifier (B).
  • the hydrocarbon solvent (C1) is not limited as long as it dissolves the acid-modified polyolefin (A).
  • Aromatic hydrocarbon solvents such as toluene and xylene, and alicyclic hydrocarbons such as cyclohexane and methylcyclohexane And chain hydrocarbon solvents such as n-hexane and n-heptane.
  • chain hydrocarbon solvents such as n-hexane and n-heptane.
  • alicyclic hydrocarbon solvents such as cyclohexane and methylcyclohexane are preferable from the viewpoint of solubility and environment.
  • the polar solvent (C2) is an organic solvent composed of an ester solvent and / or a ketone solvent, and plays a role in adjusting the viscosity of the adhesive composition and suppressing the increase in viscosity.
  • the organic solvent (C) is only the hydrocarbon solvent (C1), the viscosity of the adhesive composition generally becomes high, or the viscosity increases with time, which may hinder the coating workability.
  • ester solvents include methyl acetate, ethyl acetate, n-propyl acetate, isopropyl acetate, n-butyl acetate, isobutyl acetate, tert-butyl acetate, amyl acetate, and isoamyl acetate.
  • n-butyl acetate is preferred.
  • the ketone solvent include acetone, methyl ethyl ketone, methyl isobutyl ketone, and cyclohexanone. Of these, methyl ethyl ketone is preferred. These may be used individually by 1 type and may be used in combination of 2 or more type.
  • the adhesive composition of the present invention may further contain an alcohol solvent (C3) as the organic solvent (C) in addition to the hydrocarbon solvent (C1) and the polar solvent (C2). Since the alcohol solvent (C3) is more polar than the ester solvent and the ketone solvent, the effect of adjusting the viscosity and suppressing the increase in viscosity is greater.
  • the alcohol solvent (C3) include methanol, ethanol, propanol, isopropanol (IPA), n-butanol, isobutanol, 2-butanol and the like.
  • the content of the alcohol solvent (C3) is preferably 0.1% by mass or more, more preferably 0.5% by mass or more, and 5% by mass or less in 100% by mass of the organic solvent (C). Preferably, it is 3 mass% or less. If the amount is too small, the viscosity of the adhesive composition may increase, and workability may decrease. On the other hand, if the amount is too large, the storage stability may decrease.
  • the alcohol solvent (C3) is a hydrocarbon solvent (C1) and a polar solvent.
  • the total amount of (C2) is preferably 0.1 to 10 parts by mass, more preferably 0.5 to 5 parts by mass, and still more preferably 0.8 to 2 parts by mass. .
  • the organic solvent (C) is preferably 100 parts by mass or more, more preferably 150 parts by mass or more, with respect to 100 parts by mass in total of the acid-modified polyolefin (A) and the tackifier (B).
  • it is 200 mass parts or more, Most preferably, it is 300 mass parts or more. If the amount is too small, the storage stability of the adhesive composition may be lowered.
  • it is preferable that it is 3000 mass parts or less, More preferably, it is 2000 mass parts or less, More preferably, it is 1500 mass parts, Most preferably, it is 1000 mass parts. Too much can be industrially disadvantageous.
  • the organic solvent (C) preferably contains 80% by mass or more, more preferably 90% by mass, of the hydrocarbon solvent (C1), polar solvent (C2) and alcohol solvent (C3), More preferably, it is 95 mass% or more, and it may be 100 mass%. If the amount is too small, the solution stability may decrease.
  • the adhesive composition of the present invention preferably contains no water from the viewpoint of the drying property of the adhesive layer after coating.
  • the content of water in the adhesive composition may be 5% by mass or less, more preferably 1% by mass or less, and most preferably 0.1% by mass.
  • additives such as fillers, pigments, colorants, antioxidants, and curing agents may be blended in the adhesive composition of the present invention as long as the adhesive performance is not deteriorated.
  • An adhesive layer can be produced using the adhesive composition of the present invention.
  • the adhesive layer of the present invention refers to a layer of the adhesive composition after the adhesive composition is applied to a substrate, dried, and cured by aging or the like.
  • a lamination method a general laminate manufacturing technique can be used.
  • the adhesive composition is applied to the surface of the substrate using an appropriate application means such as a roll coater or a bar coater, and dried. After drying, while the layer (adhesive layer) of the adhesive composition formed on the surface of the base material is in a molten state, another base material can be laminated and bonded (laminar bonding) to the coated surface.
  • the thickness of the adhesive layer is not particularly limited, but is preferably 0.5 to 10 ⁇ m, more preferably 0.8 to 9.5 ⁇ m, and even more preferably 1 to 9 ⁇ m.
  • the laminate of the present invention is a two-layer laminate (base material 1 / adhesive layer) of the adhesive layer and the base material 1, or a three-layer laminate in which the base material 2 is bonded to the surface of the adhesive layer.
  • Body base material 1 / adhesive layer / base material 2
  • further laminated body base material 1 / adhesive layer / base material 2 / adhesive layer / Refers to the substrate 3).
  • the substrate is not particularly limited, but a polyolefin resin substrate is preferable.
  • a polyolefin resin substrate for example, polyethylene, polypropylene, ethylene-propylene copolymer and the like can be used, and among them, polyethylene is preferable.
  • the polyolefin-based resin base material may be blended with pigments and various additives as necessary, or may be subjected to surface treatment.
  • the adhesive composition obtained in the present invention is excellent in adhesion to polyolefin resin substrates, it can be used for primers, paints, inks, coating agents, and adhesives for painting, printing, adhesion, and coating. Useful.
  • the acid value (mgKOH / g-resin) in the present invention is the amount of KOH required to neutralize 1 g of the acid-modified polyolefin (A).
  • A the acid-modified polyolefin
  • JIS K0070 (1992) It was measured. Specifically, 1 g of acid-modified polyolefin was dissolved in 100 g of xylene adjusted to a temperature of 100 ° C., and then a 0.1 mol / L potassium hydroxide ethanol solution [trade name “0” was used at the same temperature with phenolphthalein as an indicator. .1 mol / L ethanolic potassium hydroxide solution ", manufactured by Wako Pure Chemical Industries, Ltd.]. At this time, the amount of potassium hydroxide required for the titration was converted to mg, and the acid value (mgKOH / g) was calculated.
  • the melting point in the present invention is determined by using a differential scanning calorimeter (hereinafter DSC, manufactured by TA Instruments Japan, Q-2000) at a rate of 10 ° C./min. This is a value measured from the top temperature of the melting peak when melting at elevated temperature.
  • DSC differential scanning calorimeter
  • Aging was performed for 10 minutes to obtain an adhesion test sample.
  • the adhesion test sample was allowed to stand at room temperature overnight and then subjected to a peel test using a tensile tester (“RTM-100” manufactured by Orientec).
  • RTM-100 tensile tester
  • the end of the polyethylene test piece was held on one side of the chuck of the testing machine, and the end of the OPP film was held on the other side.
  • a 5 kgf load cell was used, and the 180 ° peel test was performed by pulling up and down at a pulling speed of 50 mm / min. . The test was carried out four times, and the average value of the measured strengths was taken as the peel strength.
  • the weight increase rate of the coating film due to water absorption before and after immersion in warm water was calculated by the following formula and used as an index of water resistance.
  • the evaluation criteria were as follows according to the weight increase rate of the coating film.
  • Weight increase rate after immersion in warm water (%) (Coating film weight (Y) ⁇ Coating film weight (X)) / Coating film weight (X) ⁇ 100 (Judgment) ⁇ : Weight increase rate after warm water immersion less than 2.5% ⁇ : Weight increase rate after warm water immersion 2.5% or more, less than 3.0% ⁇ : Weight increase rate after warm water immersion 3.0% or more, 3 Less than 5% ⁇ : Weight increase rate after immersion in hot water 3.5% or more
  • the viscosity of the adhesive composition was measured at 25 ° C. using a Brookfield viscometer TVB-10M (hereinafter also referred to as B-type viscometer) manufactured by Toki Sangyo Co., Ltd.
  • the slurry liquid containing the resin was centrifuged to separate the acid-modified propylene / 1-butene copolymer grafted with maleic anhydride from (poly) maleic anhydride and low molecular weight substances. Further, the acid-modified propylene / 1-butene copolymer taken out by centrifugation was charged into a container containing 2000 parts by mass of methyl ethyl ketone, which had been kept at 25 ° C. while stirring, and stirring was continued for 1 hour. .
  • Production Example 2 The same procedure as in Production Example 1 was carried out except that the amount of maleic anhydride charged was changed to 20 parts by mass and that of di-tert-butyl peroxide was changed to 5 parts by mass.
  • Example 1 In a 500 ml four-necked flask equipped with a water-cooled reflux condenser and a stirrer, 100 parts by mass of the maleic anhydride-modified propylene / 1-butene copolymer (A-1) obtained in Production Example 1 as a resin and 30 parts by mass of tackifier B-1 was charged. Further, 463 parts by mass of methylcyclohexane, 52 parts by mass of n-butyl acetate and 5 parts by mass of 2-butanol were charged as solvents. The temperature was raised to 80 ° C. while stirring, and stirring was continued for 1 hour, followed by cooling to obtain an adhesive composition. Each evaluation was implemented about this adhesive composition. The results are shown in Tables 1 and 2.
  • Comparative Example 6 In a 500 ml four-necked flask equipped with a water-cooled reflux condenser and a stirrer, 100 parts by mass of maleic anhydride-modified propylene / 1-butene copolymer (A-1) and 30 parts by mass of tackifier B-1 , And 300 parts by mass of tetrahydrofuran were charged. After heating and dissolving at 60 ° C., 4 parts by mass of triethylamine was added, and then 25 parts by mass of “Neopelex (registered trademark) G-65” (alkylbenzene sulfonic acid system; solid content 65%) manufactured by Kao Corporation was added as an emulsifier.
  • “Neopelex (registered trademark) G-65” alkylbenzene sulfonic acid system; solid content 65%
  • the tackifiers shown in Tables 1 and 2 are as follows.
  • B-1 Yasuhara Chemical's styrene-modified terpene resin (YS resin TO125, softening point: 125 ° C)
  • B-2 Styrene-modified terpene resin (YS resin TO115, softening point: 115 ° C.) manufactured by Yasuhara Chemical
  • B-3 Yasuhara Chemical terpene phenol resin (YS Polystar T130, softening point: 130 ° C.)
  • B-4 Terpene resin from Yasuhara Chemical (YS Resin PX1250, softening point: 125 ° C.)
  • B-5 Yasuhara Chemical styrene resin (YS Resin SX100, softening point: 100 ° C.)
  • the adhesive composition according to the present invention has good adhesion performance, water resistance and chemical resistance to olefin-based tree substrates such as polyethylene and polypropylene, and can be applied at low temperature drying. It can be used as an adhesive for base materials such as polyethylene pipes, bottles and labels.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention fournit une composition d'adhésif qui permet un revêtement par séchage à basse température, qui développe des performances d'adhérence et une résistance à l'eau satisfaisantes vis-à-vis d'un substrat de résine à base d'oléfine tel qu'un polyéthylène, un polypropylène, ou similaire, et qui présente une stabilité de conservation satisfaisante. Plus précisément, l'invention concerne une composition d'adhésif qui comprend une polyoléfine modifiée par un acide (A), un agent poisseux (B) et un solvant organique (C). Ledit agent poisseux (B) consiste en une résine de terpène modifié par un styrène.
PCT/JP2018/047156 2018-03-06 2018-12-21 Composition d'adhésif à base de polyoléfine Ceased WO2019171709A1 (fr)

Priority Applications (1)

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CN114402045A (zh) * 2019-09-19 2022-04-26 东洋纺株式会社 聚烯烃系涂料组合物
CN114450152A (zh) * 2019-09-26 2022-05-06 东洋纺株式会社 层叠体
WO2022202471A1 (fr) 2021-03-23 2022-09-29 リケンテクノス株式会社 Matériau de revêtement, film de revêtement, produit stratifié, et câble plat flexible

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CN114402045A (zh) * 2019-09-19 2022-04-26 东洋纺株式会社 聚烯烃系涂料组合物
US12338358B2 (en) 2019-09-19 2025-06-24 Toyobo Mc Corporation Polyolefin-based coating composition
CN114450152A (zh) * 2019-09-26 2022-05-06 东洋纺株式会社 层叠体
CN114450152B (zh) * 2019-09-26 2023-06-02 东洋纺株式会社 层叠体
WO2022202471A1 (fr) 2021-03-23 2022-09-29 リケンテクノス株式会社 Matériau de revêtement, film de revêtement, produit stratifié, et câble plat flexible
KR20230145158A (ko) 2021-03-23 2023-10-17 리껭테크노스 가부시키가이샤 도료, 도막, 적층체, 및 플렉시블 플랫 케이블

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