WO2012105340A1 - Agent de séparation, agent de démoulage et ruban adhésif - Google Patents

Agent de séparation, agent de démoulage et ruban adhésif Download PDF

Info

Publication number
WO2012105340A1
WO2012105340A1 PCT/JP2012/051215 JP2012051215W WO2012105340A1 WO 2012105340 A1 WO2012105340 A1 WO 2012105340A1 JP 2012051215 W JP2012051215 W JP 2012051215W WO 2012105340 A1 WO2012105340 A1 WO 2012105340A1
Authority
WO
WIPO (PCT)
Prior art keywords
release agent
release
polyolefin
solvent
agent according
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/JP2012/051215
Other languages
English (en)
Japanese (ja)
Inventor
平松　剛
悠司 豊田
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.)
Nitto Denko Corp
Original Assignee
Nitto Denko Corp
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 Nitto Denko Corp filed Critical Nitto Denko Corp
Publication of WO2012105340A1 publication Critical patent/WO2012105340A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • C09J7/40—Adhesives in the form of films or foils characterised by release liners
    • C09J7/401—Adhesives in the form of films or foils characterised by release liners characterised by the release coating composition
    • 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
    • C09J2423/00—Presence of polyolefin
    • C09J2423/005—Presence of polyolefin in the release coating

Definitions

  • the present invention relates to a release agent containing polyolefin (hereinafter sometimes abbreviated as “polyolefin release agent”), and a release material and an adhesive tape having a release agent layer formed from the release agent.
  • polyolefin release agent a release agent containing polyolefin (hereinafter sometimes abbreviated as “polyolefin release agent”), and a release material and an adhesive tape having a release agent layer formed from the release agent.
  • the release material is provided with a release agent layer on at least one surface of a substrate such as paper, plastic film and plastic laminated paper, and is intended to protect the adhesive surface of an adhesive tape, an adhesive sheet, a label, etc. It is used in manufacturing processes for green sheets.
  • a silicone release agent As the release agent, a silicone release agent, a long-chain alkyl release agent, a polyolefin release agent, a fluorine release agent, and the like are known. However, in applications related to electronic parts and the like, there are cases in which silicone-based release agents cause problems, and therefore non-silicone release agents such as polyolefin-based release agents are used.
  • an isocyanate crosslinking agent and a polyol may be used in the polyolefin release agent (for example, Patent Documents 1 to 3).
  • a urethanization catalyst may be added to accelerate the urethanization reaction between the isocyanate-based crosslinking agent and the polyol.
  • organic tin compounds such as dibutyltin dilaurate and dioctyltin dilaurate have been widely used.
  • the organotin compound has high catalytic activity in addition to having good solubility in an organic solvent, so that it can be used to form a release agent layer excellent in appearance and substrate adhesion. .
  • JP 2004-346213 A Japanese Patent Laid-Open No. 2004-250681 JP 2004-230773 A
  • the present invention has been made by paying attention to such circumstances, and the object thereof is to form a release agent layer having excellent adhesion to a substrate and having a good appearance without using an organic tin compound. It is to provide a release agent that can be used.
  • a carboxylic acid metal salt that is a non-organotin compound is used as a urethanization catalyst, and a mixed solvent of a hydrocarbon solvent and an aprotic polar solvent is used as an organic solvent.
  • a mixed solvent of a hydrocarbon solvent and an aprotic polar solvent is used as an organic solvent.
  • the carboxylic acid metal salt is a non-organotin compound
  • a release agent in which the organic solvent is a mixed solvent of a hydrocarbon solvent and an aprotic polar solvent.
  • the aromatic hydrocarbon solvent is at least one selected from the group consisting of toluene and xylene.
  • An adhesive tape having a substrate, an adhesive layer and a release agent layer, A release agent layer formed from the release agent according to any one of the above [1] to [12] is provided on one side of the substrate, A pressure-sensitive adhesive tape having a pressure-sensitive adhesive layer on the other surface of a substrate on which a release agent layer is not formed.
  • the release agent of the present invention does not contain an organic tin compound, it can form a release agent layer having excellent adhesion to a substrate and having a good appearance.
  • the release agent of the present invention contains polyolefin, isocyanate, polyolefin polyol, metal carboxylate and organic solvent. Hereinafter, each of these components will be described in order.
  • polyolefin The release agent of the present invention contains one type or two or more types of polyolefin.
  • polyolefin means a polyolefin that is solid at 38 ° C. Any polyolefin can be used as long as it can be dissolved in an organic solvent together with other components and applied to a substrate.
  • the density of the polyolefin is preferably 0.885 g / cm 3 or less, more preferably 0.880 g / cm 3 or less.
  • this density exceeds 0.885 g / cm 3 , solubility in an organic solvent tends to be lowered, and application to a substrate tends to be difficult, and peeling force tends to increase.
  • the lower limit of the density of the polyolefin is not particularly limited, but this density is preferably 0.830 g / cm 3 or more, more preferably 0.857 g / cm 3 or more, and further preferably 0.858 g / cm 3 or more. is there.
  • polystyrene resin examples include an ⁇ -olefin copolymer formed from at least two monomers selected from the group consisting of ethylene, propylene and an ⁇ -olefin having 4 to 20 carbon atoms.
  • a copolymer having ethylene as a main monomer that is, an ethylene-based ⁇ -olefin copolymer
  • a copolymer having propylene as a main monomer that is, a propylene-based ⁇ -olefin. Copolymer
  • ⁇ -olefin having 4 to 20 carbon atoms 1-butene, 1-pentene, 3-methyl-1-butene, 1-hexene, 4-methyl-1-pentene, 3-methyl-1- Examples include pentene, 1-heptene, 1-octene, 1-decene, 1-dodecene and the like.
  • the ⁇ -olefin copolymer may be any of a random copolymer, a block copolymer, and a graft copolymer.
  • the density of the ethylene-based ⁇ -olefin copolymer is preferably 0.857 g / cm 3 or more and 0.885 g / cm 3 or less (more preferably 0.880 g / cm 3 or less).
  • the ethylene structural unit amount of the ethylene-based ⁇ -olefin copolymer is 50 mol% or more.
  • the ethylene structural unit amount is preferably 60 to 95 mol%, more preferably 70 to 95 mol%.
  • the ⁇ -olefin structural unit contained in the ethylene-based ⁇ -olefin copolymer is one formed from at least one monomer selected from the group consisting of 1-butene, propylene, 1-hexene and 1-octene. preferable.
  • Particularly preferred ethylene-based ⁇ -olefin copolymers include ethylene-1-butene copolymers and ethylene-propylene copolymers.
  • Such an ethylene-1-butene copolymer may contain a structural unit derived from ⁇ -olefin other than ethylene and 1-butene in an amount of 10 mol% or less.
  • the ethylene-propylene copolymer may contain a structural unit derived from an ⁇ -olefin other than ethylene and propylene in an amount of 10 mol% or less.
  • Such a copolymer is produced, for example, by copolymerizing ethylene and ⁇ -olefin using a catalyst comprising a transition metal catalyst component (for example, vanadium compound or zirconium compound) and an organoaluminum compound catalyst component.
  • a transition metal catalyst component for example, vanadium compound or zirconium compound
  • an organoaluminum compound catalyst component for example, vanadium compound or zirconium compound
  • the density of the propylene-based ⁇ -olefin copolymer is preferably 0.858 g / cm 3 or more and 0.885 g / cm 3 or less (more preferably 0.880 g / cm 3 or less).
  • the propylene structural unit amount of the propylene-based ⁇ -olefin copolymer is more than 50 mol%.
  • the propylene structural unit amount is preferably 60 to 95 mol%, more preferably 70 to 95 mol%.
  • the ⁇ -olefin structural unit contained in the propylene-based ⁇ -olefin copolymer is formed of at least one monomer selected from the group consisting of ethylene, 1-butene, 1-hexene and 1-octene. Those are preferred.
  • a particularly preferred propylene-based ⁇ -olefin copolymer is a propylene-ethylene random copolymer (propylene-based elastomer).
  • the propylene-ethylene random copolymer may contain a constituent unit derived from ⁇ -olefin other than propylene and ethylene in an amount of 10 mol% or less.
  • the propylene-based ⁇ -olefin copolymer can be produced using a metallocene-based catalyst as described in, for example, JP-A-2000-191862.
  • ⁇ -olefin copolymer Commercially available products can be used as the ⁇ -olefin copolymer.
  • Preferable commercial products of the ethylene-based ⁇ -olefin copolymer include, for example, Tuffmer P series, Tuffmer A series (all manufactured by Mitsui Chemicals), Engage (manufactured by Dow Chemical Company), and the like.
  • Tuffmer XM series manufactured by Mitsui Chemicals
  • Polymethylpentene can also be used as the polyolefin.
  • polymethylpentene examples include a homopolymer of 4-methyl-1-pentene, and a copolymer of 4-methyl-1-pentene and other ⁇ -olefins.
  • the amount of 4-methyl-1-pentene constituent unit in the polymethylpentene copolymer is preferably 50 to 95 mol%, more preferably 70 to 95 mol%.
  • the polymethylpentene may be a crystalline polymer.
  • the density of polymethylpentene is preferably 0.83 to 0.86 g / cm 3 .
  • Examples of the ⁇ -olefin structural unit in the polymethylpentene copolymer include 2 carbon atoms such as ethylene, propylene, 1-butene, 1-hexene, 1-octene, 1-decene, 1-tetradecene, 1-octadecene and the like. Those derived from .alpha.-olefins of .about.20 are preferred. Of these, 1-decene, 1-tetradecene and 1-octadecene, which exhibit good copolymerizability with 4-methyl-1-pentene, are more preferred.
  • An example of a commercially available product of polymethylpentene is TPX-S (4-methylpentene-1- ⁇ -olefin copolymer, manufactured by Mitsui Chemicals).
  • diolefin rubbers such as polyisoprene and polybutadiene can also be used as the polyolefin.
  • polyisoprene has a cis-1,4 bond of 90% or more, a density of 0.90 to 0.92 g / cm 3 , and a Mooney viscosity (ML1 + 4 at 100 ° C.) of 40 to 70. Those are preferred.
  • Mooney viscosity ML1 + 4 at 100 ° C.
  • Examples of commercially available products of polyisoprene include IR-307 and IR-310 (manufactured by Kraton Polymer Co., Ltd.).
  • polystyrene resin those having a cis-1,4 bond of 90% or more, a density of 0.88 to 0.91 g / cm 3 , and a Mooney viscosity (ML1 + 4 at 100 ° C.) of 25 to 50 are preferable.
  • Mooney viscosity ML1 + 4 at 100 ° C.
  • commercially available products of polybutadiene include Nipol BR1220, Nipol BR1220L (manufactured by Nippon Zeon), and BR01 (manufactured by JSR).
  • the polyolefin in the present invention preferably does not react with the isocyanate described later.
  • a modified polyolefin having a functional group such as a hydroxyl group (hydroxy group), an amino group, a carboxy group, or an isocyanate group (isocyanato group) may be used as long as the object of the present invention is not impaired.
  • the number of functional groups (average value) per molecule of the modified polyolefin is preferably 1 or less.
  • the release agent of the present invention when used in combination with an acrylic pressure-sensitive adhesive, the use of an ethylene-based ⁇ -olefin copolymer and / or a propylene-based ⁇ -olefin copolymer as an olefin may cause the release over time. It is preferable for preventing an increase in force.
  • a propylene-based ⁇ -olefin copolymer and / or polymethylpentene is preferable.
  • the MFR (melt flow rate) at 230 ° C. of the polyolefin is preferably 100 g / 10 min or less from the viewpoint of the strength (coating film strength) of the release agent layer to be formed. More preferably, it is 70 g / 10 minutes or less, More preferably, it is 50 g / 10 minutes or less, Most preferably, it is 10 g / 10 minutes or less.
  • the MFR at 230 ° C. of at least one of the polyolefins is preferably 100 g / 10 min or less, more preferably 70 g / 10 min or less, and even more preferably 50 g / 10 Min. Or less, particularly preferably 10 g / 10 min or less.
  • the content of polyolefin having such MFR is preferably 10% by weight, more preferably 50% by weight or more, still more preferably 90% by weight or more, and particularly preferably 100% by weight in the total polyolefin.
  • the polyolefin has a tensile modulus at 23 ° C. of 10 MPa or less and a tensile fracture stress at 23 ° C. of 8 MPa or less (A-1) Is preferably contained in the total polyolefin in an amount of 90% by weight or more.
  • the content of the polyolefin (A-2) other than the polyolefin (A-1) is preferably limited to 10% by weight or less in the total polyolefin.
  • the peeling speed dependency means that the peeling force of the release agent layer depends on the peeling speed, and more specifically, means that the peeling force at high speed peeling is larger than the peeling force at low speed peeling. .
  • any of the above-described polyolefin (A-1) and polyolefin (A-2) may be used alone or in combination of two or more.
  • the content of the polyolefin (A-1) is more preferably 95% by weight or more and still more preferably 100% by weight in the total polyolefin.
  • polyolefin (A-1) reduces the release rate dependency because the tensile fracture stress is small under the assumption that fracture occurs near the interface between the adhesive layer and the release agent layer in the release process.
  • the presence of the polyolefin (A-1) destroys the vicinity of the interface with a small force, and it is estimated that the increase in the peeling force can be suppressed even when the peeling speed is increased.
  • the tensile modulus at 23 ° C. of the polyolefin (A-1) is 10 MPa or less, preferably 8 MPa or less, more preferably 7 MPa or less, and even more preferably 6 MPa or less.
  • the tensile fracture stress of the polyolefin (A-1) at 23 ° C. Is 8 MPa or less, preferably 6 MPa or less, more preferably 4 MPa or less.
  • Polyolefin (A-2) having a tensile modulus of elasticity exceeding 10 MPa at 23 ° C. tends to increase the peeling force of the release agent layer when peeled at a low speed and a high speed, and has a tensile fracture stress at 23 ° C. exceeding 8 MPa. (A-2) tends to increase the peeling force of the release agent layer when peeled at a high speed.
  • the polyolefin (A-2) As the polyolefin (A-2), (i) a polyolefin having a tensile fracture stress at 23 ° C. of 8 MPa or less and a tensile elastic modulus at 23 ° C. of more than 10 MPa; (ii) a tensile elastic modulus at 23 ° C. of 10 MPa or less. And (iii) a polyolefin having a tensile modulus at 23 ° C. of greater than 10 MPa and a tensile fracture stress at 23 ° C. of greater than 8 MPa.
  • the polyolefin (A-2) of the embodiment (ii) is preferable.
  • the tensile modulus at 23 ° C. of the polyolefin (A-2) is preferably 100 MPa or less, and the tensile fracture stress at 23 ° C. of the polyolefin (A-2) is preferably 35 MPa or less.
  • the tensile modulus of elasticity of the polyolefin (A-1) at 23 ° C. is preferably 2 MPa or more, more preferably 3 MPa or more.
  • the fracture stress is preferably 1 MPa or more, more preferably 2 MPa or more.
  • the “tensile modulus at 23 ° C.” and “tensile fracture stress at 23 ° C.” of the polyolefin are values measured by the following methods. Polyolefin is dissolved in toluene to make a 5 to 10% by weight solution, and this is applied onto a release film made of polyethylene terephthalate (PET) using a baker type applicator or a doctor blade type applicator. Heat-dry (100 ° C., 3 minutes), and immediately after the heat-dry, cool in a 23 ° C. atmosphere to produce a polyolefin film having a thickness of 20 ⁇ m after drying. If the solubility in toluene is poor, it may be dissolved by heating as necessary.
  • PET polyethylene terephthalate
  • the obtained polyolefin film was cut into strips of 30 mm in length and 100 mm in width, and while peeling off the polyolefin film from the release film, it was tightly wound in the longitudinal direction around one short side of the cut film as a length.
  • a 30 mm rod-shaped sample is used.
  • This rod-shaped sample was subjected to a tensile test with a tensile tester (manufactured by Shimadzu Corp., Autograph AG-IS type) in a 23 ° C atmosphere under conditions of a distance between chucks of 10 mm and a tensile speed of 50 mm / min. Obtain the stress-strain curve.
  • the tensile modulus is calculated from the slope of the stress-strain curve immediately after the start of tension. Further, the stress when the rod-shaped sample is broken is determined as the tensile fracture stress.
  • Examples of the polyolefin (A-1) having a tensile elastic modulus at 23 ° C. of 10 MPa or less and a tensile fracture stress at 23 ° C. of 8 MPa or less include Toughmer P-0080K, Tuffmer P-0280, Tuffmer A-335070S, Tuffmer P-0680, Tuffmer P-0180, Tuffmer P-0480, Tuffmer P-0275, Tuffmer P-0775 (all are ethylene-based ⁇ -olefin copolymers, manufactured by Mitsui Chemicals, Inc.) and the like.
  • the content of the polyolefin is preferably 80 to 99% by weight, more preferably 90 to 98% by weight in the solid content of the release agent.
  • the solid content of the release agent means the total content of release agent components other than the organic solvent.
  • the release agent of the present invention contains one or more isocyanates.
  • the isocyanate may be either an aromatic isocyanate or an aliphatic isocyanate.
  • the aliphatic isocyanate may be either a chain aliphatic isocyanate or an alicyclic isocyanate.
  • aromatic isocyanate and alicyclic isocyanate are preferable. Since aromatic isocyanate and alicyclic isocyanate have low compatibility with polyolefin, even if they are used, the releasability of the release agent layer is not impaired.
  • aromatic isocyanate and alicyclic isocyanate that are incompatible with polyolefin are unevenly distributed between the release agent layer to be formed and the base material, and greatly contribute to the improvement of adhesion.
  • the isocyanate is preferably a polyisocyanate having three or more isocyanate groups in one molecule, more preferably an aromatic polyisocyanate and a fat. It is at least one selected from the group consisting of cyclic polyisocyanates, more preferably at least one selected from the group consisting of polyhydric alcohol adducts of aromatic diisocyanates and polyhydric alcohol adducts of alicyclic diisocyanates. .
  • aromatic diisocyanate examples include tolylene diisocyanate, diphenylmethane diisocyanate, 1,5-naphthylene diisocyanate, tolidine diisocyanate, xylylene diisocyanate, tetramethylxylylene diisocyanate, and the like. Of these, tolylene diisocyanate and xylylene diisocyanate are preferred.
  • alicyclic diisocyanate examples include isophorone diisocyanate, hydrogenated xylylene diisocyanate, hydrogenated diphenylmethane diisocyanate, dimer acid diisocyanate, norbornene diisocyanate, trans-cyclohexane diisocyanate, hydrogenated tolylene diisocyanate, and the like. Of these, isophorone diisocyanate and hydrogenated xylylene diisocyanate are preferred.
  • polyhydric alcohol examples include aliphatic polyhydric alcohols such as ethylene glycol, glycerin, trimethylolpropane, pentaerythritol, ditrimethylolpropane, and dipentaerythritol. Of these, trimethylolpropane is preferred.
  • polyisocyanate examples include compounds having an isocyanate group at the terminal, obtained by reacting the polyhydric alcohol with an excess amount of the aromatic diisocyanate or the alicyclic diisocyanate.
  • aromatic diisocyanates or alicyclic diisocyanates eg, isocyanurates
  • polyhydric alcohol adduct of aromatic diisocyanate is preferably a polyhydric alcohol adduct of tolylene diisocyanate or xylylene diisocyanate, more preferably a polyhydric alcohol adduct of tolylene diisocyanate.
  • the polyhydric alcohol adduct of tolylene diisocyanate is excellent in reactivity and can achieve excellent substrate adhesion.
  • the polyhydric alcohol adduct of alicyclic diisocyanate is preferably a polyhydric alcohol adduct of hydrogenated xylylene diisocyanate or isophorone diisocyanate.
  • the content of isocyanate in the release agent is preferably 0.5 to 20 parts by weight, more preferably 1.0 to 15 parts by weight, still more preferably 1.5 to 10 parts by weight with respect to 100 parts by weight of polyolefin. Part. If isocyanate is used at such a content, there is no adverse effect such as shortening the pot life of the release agent, and better substrate adhesion can be obtained.
  • the release agent of the present invention contains one or more polyolefin polyols.
  • Polyolefin polyol is used to react with isocyanate in the formation of a release agent layer.
  • the polyolefin polyol those having good compatibility with the polyolefin are preferable.
  • the number average molecular weight (Mn) of the polyolefin polyol is preferably 1500 to 50000, more preferably 1500 to 4000, and still more preferably 1500 to 3000.
  • a polyolefin polyol having Mn in such a range has moderate solubility in both polyolefin and isocyanate. Therefore, such a polyolefin polyol can improve the release agent layer strength and heat resistance, while not impairing the appearance of the release agent layer.
  • this Mn is outside the above range, a release agent layer having a whitish and cloudy appearance may be obtained.
  • the release agent layer where the isocyanate on the side opposite to the substrate is not unevenly distributed does not have excessive hydroxyl groups due to the polyolefin polyol, and a release agent layer having a low release force is present. can get. Furthermore, if this Mn is within the above range, the isocyanate and the polyolefin polyol can be appropriately reacted in the release agent layer portion where the isocyanate on the substrate side is unevenly distributed, and more excellent substrate adhesion can be obtained.
  • polyolefin polyol is not particularly limited.
  • polyolefin polyols include polyethylene polyols, polypropylene polyols, polybutadiene polyols, hydrogenated polybutadiene polyols, polyisoprene polyols, and hydrogenated polyisoprene polyols.
  • hydrogenated polyisoprene polyol and polyisoprene polyol are preferable from the viewpoint of compatibility with polyolefin and influence on peeling force.
  • the hydroxyl value (mgKOH / g) of the polyolefin polyol is preferably 20 or more from the viewpoint of the release agent layer strength and curability, and is preferably 75 or less from the viewpoint of the influence on the peeling force.
  • a more preferred hydroxyl value (mgKOH / g) is 25-60.
  • a commercially available polyolefin polyol can be used.
  • the content of the polyolefin polyol in the release agent is represented by the following formula (I):
  • A hydroxyl value of polyolefin polyol (mgKOH / g) ⁇ number of parts by weight of polyolefin polyol with respect to 100 parts by weight of polyolefin (I)
  • the value of A is preferably set to 30 to 250, more preferably 40 to 200, and still more preferably 50 to 150. If the value of A is less than 30, the release agent layer strength tends to be insufficient, and if it is greater than 250, the release force of the release agent layer tends to be too high.
  • the release agent of the present invention contains a carboxylic acid metal salt that is a non-organotin compound as a urethanization catalyst.
  • the “organotin compound” refers to a compound or salt having a tin-carbon (Sn—C) bond, and examples thereof include dibutyltin dilaurate and dioctyltin dilaurate.
  • non-organotin compound refers to a compound or salt having no tin-carbon bond.
  • the carboxylic acid of the carboxylic acid metal salt may be either an aliphatic carboxylic acid or an aromatic carboxylic acid.
  • the carboxylic acid may be either a monobasic acid or a polybasic acid.
  • the aliphatic carboxylic acid may be linear or branched, and may be either saturated or unsaturated.
  • the aliphatic carboxylic acid may have an alicyclic alkyl group.
  • Examples of the aliphatic carboxylic acid include pentanoic acid, hexanoic acid, heptanoic acid, octanoic acid, 2-ethylhexanoic acid, nonanoic acid, decanoic acid, neodecanoic acid, oleic acid and linoleic acid.
  • Examples of the aromatic carboxylic acid include benzoic acid, phthalic acid, isophthalic acid, and terephthalic acid.
  • the carboxylic acid may be naphthenic acid or resin acid.
  • naphthenic acid means carboxylic acid contained in petroleum
  • resin acid means carboxylic acid contained in natural resin.
  • Naphthenic acid and resin acid may be either one kind or a mixture of two or more kinds.
  • naphthenic acid include those having a carboxy group at the end of the methylene side chain of the cyclopentane ring or cyclohexane ring.
  • the resin acid include abietic acid, neoabietic acid, dehydroabietic acid, pultrinic acid, levopimaric acid, podocarpic acid, d-pimalic acid, and iso-d-pimalic acid.
  • the metal of the carboxylic acid metal salt examples include bismuth, zirconium, zinc, titanium, and calcium. From the viewpoint of catalytic activity and solubility in an organic solvent, the carboxylic acid metal salt is preferably bismuth carboxylate.
  • a mixture of carboxylic acid metal salts includes a mixture formed from a plurality of carboxylic acids and one metal base, a mixture formed from one carboxylic acid and a plurality of metal bases, and a plurality of carboxylic acids and a plurality of metal bases. Any of the mixtures formed from
  • a commercially available carboxylic acid metal salt may be used.
  • commercially available bismuth carboxylates include Puccat B7 and Puccat B25 (both manufactured by Nippon Kagaku Sangyo Co., Ltd.), Neostan U-600 (manufactured by Nitto Kasei Co., Ltd.), and K-KAT XC-227 (manufactured by KING INDUSTRIES). Is mentioned.
  • Examples of commercially available zirconium carboxylates include naphthex Zr and Nikka Octix Zr (both manufactured by Nippon Chemical Industry Co., Ltd.).
  • Examples of commercially available zinc carboxylates include naphthex Zn and Nikka octix Zn (both manufactured by Nippon Chemical Industry Co., Ltd.).
  • Examples of commercially available calcium carboxylates include naphthex Ca, Nikka octix Ca and PACCAT Ca-5B (all manufactured by Nippon Kagaku Sangyo Co., Ltd.).
  • the content of the carboxylic acid metal salt in the release agent is preferably 0.1 to 2.5 parts by weight, more preferably 0.3 to 2.0 parts by weight, and still more preferably 0 to 100 parts by weight of the polyolefin. .4 to 1.5 parts by weight.
  • the content is less than 0.1 parts by weight, the catalytic action may be insufficient.
  • the content exceeds 2.5 parts by weight, the release force of the release agent layer is increased or the release is peeled off. It may cause problems such as shortening the pot life of the agent.
  • content of carboxylic acid metal salt here refers to the quantity of only carboxylic acid metal salt, for example, the solution which dissolved carboxylic acid metal salt in the solvent like "Pucat B7" used in the below-mentioned Example. When used, it means the amount of carboxylic acid metal salt only, excluding the amount of solvent.
  • the release agent of the present invention contains a mixed solvent of a hydrocarbon solvent and an aprotic polar solvent as an organic solvent.
  • a hydrocarbon solvent and the aprotic polar solvent only one type may be used, or two or more types may be used in combination.
  • hydrocarbon solvent examples include aliphatic hydrocarbons such as normal hexane and normal heptane; alicyclic hydrocarbons such as cyclohexane; and aromatic hydrocarbons such as toluene and xylene. From the viewpoint of the solubility of the release agent component (particularly isocyanate), aromatic hydrocarbons are preferred, toluene and xylene are more preferred, and toluene is more preferred.
  • aprotic polar solvent examples include ketone solvents such as acetone, methyl ethyl ketone, cyclohexanone and acetylacetone; ether solvents such as diethyl ether; ester solvents such as ethyl acetate; nitrile solvents such as acetonitrile; N, N— Examples thereof include amide solvents such as dimethylformamide (DMF) and N, N-dimethylacetamide (DMAC); and sulfoxide solvents such as dimethyl sulfoxide (DMSO).
  • ketone solvents such as acetone, methyl ethyl ketone, cyclohexanone and acetylacetone
  • ether solvents such as diethyl ether
  • ester solvents such as ethyl acetate
  • nitrile solvents such as acetonitrile
  • N N— Examples thereof include amide solvents such as dimethylformamide (DMF) and N
  • ketone solvents are preferred, methyl ethyl ketone, cyclohexanone and acetylacetone are more preferred, and acetylacetone is more preferred.
  • an aromatic hydrocarbon solvent having a high boiling point as a hydrocarbon solvent, particularly xylene (boiling point 144 ° C.) or a mixed solvent thereof, if the boiling point of the aprotic polar solvent is too low, When the release agent layer is formed, only the aprotic polar solvent is removed first, which may adversely affect the appearance of the resulting release agent layer. Therefore, when using an aromatic hydrocarbon solvent having a high boiling point, it is preferable to use an aprotic polar solvent having a high boiling point as well.
  • the hydrocarbon solvent is xylene or toluene and xylene (preferably toluene and xylene)
  • the aprotic polar solvent is preferably cyclohexanone (boiling point 156 ° C.), acetylacetone (boiling point 140 ° C.) , N, N-dimethylformamide (boiling point 153 ° C.) and N, N-dimethylacetamide (boiling point 165 ° C.), more preferably at least one selected from the group consisting of acetylacetone and cyclohexanone. More preferred is acetylacetone.
  • the weight ratio of hydrocarbon solvent to aprotic polar solvent is The ratio is preferably 99: 1 to 90:10, more preferably 99: 1 to 92: 8, and still more preferably 99: 1 to 95: 5. Further, the content of the organic solvent is adjusted in the release agent, preferably in the range of 95 to 99.9% by weight.
  • the release agent of the present invention may contain one or more optional components.
  • one or more liquid hydrocarbons may be used as an optional component of the release agent.
  • the “liquid hydrocarbon” in the present invention is a carbonization having a viscosity at 38 ° C. (hereinafter sometimes referred to as “38 ° C. viscosity”) of 5 to 1500 Pa ⁇ s measured according to JIS K7117-1: 1990. Means hydrogen.
  • the 38 ° C. viscosity of the liquid hydrocarbon is usually 5 to 1500 Pa ⁇ s, preferably 5 to 1300 Pa ⁇ s.
  • this 38 degreeC viscosity is less than 5 Pa * s, the speed dependence of peeling force may not fully reduce.
  • the amount of liquid hydrocarbon having a viscosity at 38 ° C. of less than 5 Pa ⁇ s is increased, the adhesive strength of the adhesive tapes is lowered.
  • the viscosity at 38 ° C. exceeds 1500 Pa ⁇ s, the fluidity of the liquid hydrocarbon decreases near the expected use temperature of the release material and the adhesive tape of 10-30 ° C. It may not be reduced sufficiently.
  • liquid hydrocarbons examples include polymers of unsaturated hydrocarbons.
  • the “polymer of unsaturated hydrocarbon” in the present invention is used to mean not only a polymer but also an oligomer.
  • the liquid hydrocarbon is preferably a liquid copolymer of ethylene and an unsaturated hydrocarbon having 3 to 5 carbon atoms, a liquid homopolymer of an unsaturated hydrocarbon having 3 to 5 carbon atoms, and a carbon number. It is at least one selected from the group consisting of 3 to 5 unsaturated hydrocarbon liquid copolymers.
  • Examples of the unsaturated hydrocarbon having 3 to 5 carbon atoms include propylene, 1-butene, isobutene, 2-butene, butadiene, 1-pentene, 2-pentene, isopentene, isoprene and the like.
  • the liquid hydrocarbon is more preferably at least one selected from the group consisting of a liquid ethylene-olefin copolymer, liquid polybutadiene, liquid polyisoprene, liquid hydrogenated polybutadiene, liquid hydrogenated polyisoprene, and liquid polyisobutene.
  • the liquid hydrocarbon can be produced by a known method such as radical polymerization or cationic polymerization.
  • the content of the release agent in the release agent is preferably 3 to 30 parts by weight, more preferably 4 to 20 parts by weight, even more preferably 100 parts by weight in total of the polyolefin and the liquid hydrocarbon. Is 5 to 15 parts by weight. When this content is less than 3 parts by weight, the release rate dependency may not be sufficiently reduced. Conversely, when it exceeds 30 parts by weight, the strength of the release agent layer may be reduced or the adhesive layer of the adhesive tape. Liquid hydrocarbons may migrate to the adhesive tape, which may reduce the adhesive strength of the adhesive tape.
  • the release agent of the present invention may be a resin other than the polyolefin, an antioxidant, an ultraviolet absorber, a light stabilizer such as a hindered amine light stabilizer or an antistatic agent, carbon black, calcium oxide, magnesium oxide, if necessary. It may contain a filler such as silica, zinc oxide and titanium oxide, a pigment and the like.
  • the present invention also provides a release material having a substrate and a release agent layer.
  • the release material of the present invention is characterized by having a release agent layer formed from the release agent of the present invention on at least one surface of a substrate.
  • the substrate and the release agent layer will be described in order.
  • the substrate is not particularly limited.
  • the substrate is preferably a plastic film having a smooth surface.
  • the plastic film include polyester films such as polyethylene terephthalate film and polybutylene terephthalate film; polyolefin films such as polyethylene film and polypropylene film.
  • paper such as kraft paper, glassine paper, and high-quality paper may be used as the base material.
  • the base material may be subjected to a treatment such as a corona treatment, a plasma treatment, or a flame treatment in advance as necessary.
  • the thickness of the base material is not particularly limited and can be appropriately set according to the purpose of use.
  • the thickness is usually about 12 to 250 ⁇ m, preferably 16 to 200 ⁇ m, more preferably 25 to 125 ⁇ m.
  • light stabilizers such as antioxidants, ultraviolet absorbers, hindered amine light stabilizers and antistatic agents, carbon black, calcium oxide, magnesium oxide, silica, zinc oxide, titanium oxide fillers, You may mix
  • the release agent layer is obtained, for example, by applying the release agent of the present invention containing an organic solvent to a substrate and drying it.
  • the application method of the release agent is not particularly limited, and any known method, for example, a method using a kiss roll coater, a bead coater, a rod coater, a Meyer bar coater, a die coater, a gravure coater or the like can be used.
  • a drying method There is no particular limitation on the drying method, and any known method can be used.
  • a common drying method is hot air drying. The temperature of hot air drying may vary depending on the heat resistance of the substrate, but is usually about 80 to 150 ° C.
  • the thickness of the release agent layer after drying is preferably 30 to 500 nm, more preferably 45 to 400 nm, and still more preferably 60 to 300 nm. When this thickness is less than 30 nm, the release force of the release agent layer may be too high. Conversely, when it exceeds 500 nm, the substrate and the release agent layer that come into contact with each other when the release material is wound into a roll shape, May cause a problem that it becomes easy to block, and a problem that the peeling force of the release agent layer becomes high.
  • release agent layer In the release material, another layer may exist between the release agent layer and the substrate as long as the release agent layer is present on the outermost surface.
  • the release agent layer is preferably formed directly on the substrate.
  • the present invention also provides a pressure-sensitive adhesive tape having the pressure-sensitive adhesive layer and the mold release material of the present invention, wherein the pressure-sensitive adhesive layer and the release agent layer of the mold release material are in contact with each other.
  • the pressure-sensitive adhesive used for forming the pressure-sensitive adhesive layer there is no particular limitation on the pressure-sensitive adhesive used for forming the pressure-sensitive adhesive layer.
  • the pressure-sensitive adhesive include a rubber-based pressure-sensitive adhesive, an acrylic pressure-sensitive adhesive, and a polyester-based pressure-sensitive adhesive. Among these, acrylic adhesives and polyester adhesives are preferred.
  • the pressure-sensitive adhesive tape with a release material having a pressure-sensitive adhesive layer formed using an acrylic pressure-sensitive adhesive and a polyester-based pressure-sensitive adhesive exhibits stable releasability.
  • the acrylic pressure-sensitive adhesive is mainly composed of an acrylic polymer obtained by a conventional polymerization method such as a solution polymerization method, an emulsion polymerization method, a UV polymerization method, and, as necessary, a crosslinking agent, a tackifier, a softener, It can be prepared by adding various additives such as anti-aging agents and fillers.
  • alkyl (meth) acrylate such as butyl (meth) acrylate and 2-ethylhexyl (meth) acrylate is used as a main component.
  • -Hydroxy group-containing monomers such as hydroxyethyl (meth) acrylate, carboxy group-containing monomers such as (meth) acrylic acid, styrene monomers such as styrene, vinyl esters such as vinyl acetate, etc. Examples thereof include a copolymer of a monomer mixture to which a monomer is added.
  • polyester-based pressure-sensitive adhesive a polyester-based polymer having an aliphatic polyol diol (for example, a carbonate diol obtained by reaction of a diol component such as butanediol and a carbonate compound such as ethylene carbonate) as an essential polyol component is used.
  • aliphatic polyol diol for example, a carbonate diol obtained by reaction of a diol component such as butanediol and a carbonate compound such as ethylene carbonate
  • examples include a pressure-sensitive adhesive as a main ingredient.
  • the pressure-sensitive adhesive layer can be formed, for example, by applying a pressure-sensitive adhesive solution to the release agent layer of the release material and drying it.
  • a pressure-sensitive adhesive layer may be formed by applying a pressure-sensitive adhesive solution on a base material different from the base material of the release material and drying it, and then bonding this to the release agent layer of the release material.
  • the thickness of the pressure-sensitive adhesive layer can be appropriately selected in consideration of adhesiveness and the like, and is preferably 3 to 100 ⁇ m, more preferably 5 to 90 ⁇ m, and still more preferably 10 to 80 ⁇ m.
  • the present invention also provides an adhesive tape having a base material, an adhesive layer and a release agent layer.
  • This pressure-sensitive adhesive tape of the present invention has a release agent layer formed from the release agent of the present invention on one side of the substrate, and has an adhesive layer on the other side of the substrate where the release agent layer is not formed. It is characterized by.
  • the release agent layer of this aspect may be referred to as a “back treatment layer”, and the adhesive tape of this aspect may be referred to as “back treatment layer-attached adhesive tape”.
  • the backside treatment layer-attached adhesive tape may be either rolled up or laminated. In any form, the pressure-sensitive adhesive layer is protected by the back treatment layer.
  • the pressure-sensitive adhesive layer and the back treatment layer may both be formed directly on the substrate, and another layer is formed between these layers and the substrate. It may be. However, both the pressure-sensitive adhesive layer and the back treatment layer must be present on the outermost surface. By doing this, when the pressure-sensitive adhesive tape is wound in a roll shape or when the pressure-sensitive adhesive tape in the form of a sheet is laminated, the back treatment layer can be in contact with the pressure-sensitive adhesive layer to protect it. it can. In addition, it is preferable that both the pressure-sensitive adhesive layer and the back treatment layer are directly formed on the substrate.
  • the pressure-sensitive adhesive used for forming the pressure-sensitive adhesive layer of the pressure-sensitive adhesive tape with the back treatment layer is not particularly limited.
  • an adhesive for this what was demonstrated with the adhesive tape with a mold release material etc. are mentioned, for example.
  • the formation method of an adhesive layer can also employ
  • the thickness of the back treatment layer is preferably 30 to 500 nm, more preferably 45 to 400 nm, and still more preferably 60 to 300 nm, from the viewpoint of peeling force.
  • Physical properties, properties, etc. The physical properties, properties, etc. in this specification are measured values by the following methods. (1) Density This is a value measured according to ASTM D1505. (2) Melt flow rate (230 ° C) It is a value measured according to ASTM D1238. (3) Number average molecular weight It is the value measured based on ASTM D2503. (4) Hydroxyl value A value measured in accordance with JIS K1557: 1970.
  • Release agent component The release agent components used in Examples and Comparative Examples are described below.
  • Polyolefin Tuffmer P-0280 (ethylene-propylene copolymer (ethylene: 87 mol%, propylene: 13 mol%), manufactured by Mitsui Chemicals, MFR (230 ° C.): 5.4 g / 10 min, density: 0.00 (87 g / cm 3 , tensile elastic modulus at 23 ° C .: 5.1 MPa, tensile fracture stress at 23 ° C .: 3.3 MPa)
  • TAFMER A-3570S (ethylene-1-butene copolymer (ethylene: 85 mol%, 1-butene: 15 mol%), manufactured by Mitsui Chemicals, MFR (230 ° C.): 65 g / 10 min, density: 0.87 g / cm 3 , tensile elastic modulus at 23 ° C .: 3.5 MPa, tensile fracture stress at 23 ° C .: 2.1 MPa)
  • Isocyanate Coronate L (75% ethyl acetate solution of trimethylolpropane adduct of tolylene diisocyanate, number of isocyanate groups in one molecule: 3, manufactured by Nippon Polyurethane)
  • Liquid hydrocarbon Lucant HC-2000 (ethylene- ⁇ -olefin co-oligomer, 38 ° C. viscosity: 34 Pa ⁇ s, manufactured by Mitsui Chemicals)
  • Neostan U-600 (2-ethylhexanoic acid solution of bismuth tris (2-ethylhexanoate), carboxylic acid metal salt content: 55-58%, manufactured by Nitto Kasei Co., Ltd.
  • Pucat B7 Mineral spirit solution of bismuth resinate, metal bismuth content: 7%, mineral spirit content: 42%, manufactured by Nippon Chemical Industry Co., Ltd.
  • Dibutyltin dilaurate (IV) (manufactured by Wako Pure Chemical Industries, Ltd., dibutyltin dilaurate)
  • Organic solvent Hydrocarbon solvent toluene, xylene, normal hexane
  • Aprotic polar solvent methyl ethyl ketone, acetylacetone, cyclohexanone
  • a release agent having a solid content of 1.5% was prepared by dissolving polyolefin, polyolefin polyol, isocyanate, liquid hydrocarbon and urethanization catalyst in an organic solvent in the number of parts shown in Tables 1 and 2.
  • the number of parts of the urethanization catalyst shown in Tables 1 and 2 is the number of parts of the obtained urethanization catalyst itself, and when the obtained urethanization catalyst is a solution, it is the number of parts of the whole solution.
  • the weight ratio of each organic solvent used is also shown in Tables 1 and 2.
  • release agent layer (preparation of release material)
  • the prepared release agent was applied to a 38 ⁇ m thick polyester film using a Mayer bar # 6, and then heated with a hot air dryer at 130 ° C. for 1 minute to obtain a release material.
  • the thickness of the release agent layer of the obtained release material was about 150 nm.
  • Dissolving state of release agent The dissolution state of the obtained release agent was visually determined according to the following criteria. ⁇ : The release agent is transparent, and the release agent component is uniformly dissolved in the organic solvent. X: There are insolubles in the release agent, and the release agent component is not uniformly dissolved in the organic solvent.
  • the release agent of the present invention can form a release agent layer having excellent characteristics without using an organic tin compound having a problem with the environment.
  • the release material and the adhesive tape having the release agent layer can be suitably used for various applications such as those related to electronic components.

Landscapes

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

Abstract

L'invention concerne un agent de séparation qui comprend : une polyoléfine, un isocyanate, une polyoléfine polyol, un sel métallique d'acide carboxylique, et un solvant organique. Plus précisément, l'invention concerne un agent de séparation dans lequel le sel métallique d'acide carboxylique est un composé d'étain non organique, et le solvant organique est un solvant mélangé à base de solvant hydrocarboné et de solvant polaire aprotique.
PCT/JP2012/051215 2011-02-04 2012-01-20 Agent de séparation, agent de démoulage et ruban adhésif Ceased WO2012105340A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-023335 2011-02-04
JP2011023335A JP2012162625A (ja) 2011-02-04 2011-02-04 剥離剤、離型材および粘着テープ

Publications (1)

Publication Number Publication Date
WO2012105340A1 true WO2012105340A1 (fr) 2012-08-09

Family

ID=46602559

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2012/051215 Ceased WO2012105340A1 (fr) 2011-02-04 2012-01-20 Agent de séparation, agent de démoulage et ruban adhésif

Country Status (2)

Country Link
JP (1) JP2012162625A (fr)
WO (1) WO2012105340A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014010733A1 (fr) * 2012-07-13 2014-01-16 日東電工株式会社 Feuille contenant une couche photoréactive et procédé permettant de fabriquer une feuille contenant une couche photoréactive
WO2019111798A1 (fr) * 2017-12-08 2019-06-13 日産化学株式会社 Agent de démoulage contenant une résine solide

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6141701B2 (ja) * 2013-06-28 2017-06-07 ライオン株式会社 剥離処理剤及びその製造方法
JP6287285B2 (ja) * 2014-02-05 2018-03-07 東洋インキＳｃホールディングス株式会社 粘着剤および粘着シート
JP2019093693A (ja) * 2017-11-28 2019-06-20 三菱ケミカル株式会社 離型フィルム及び粘着体

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003327947A (ja) * 2002-05-14 2003-11-19 Mitsubishi Chemicals Corp 離型剤
JP2004091776A (ja) * 2002-08-09 2004-03-25 Mitsubishi Chemicals Corp 離型剤および離型フィルム
JP2004250681A (ja) * 2003-01-30 2004-09-09 Mitsubishi Chemicals Corp 離型剤溶液および離型フィルム
JP2005105084A (ja) * 2003-09-29 2005-04-21 Tosoh Corp ポリウレタン樹脂製造用触媒組成物及びポリウレタン樹脂の製造方法
JP2007523983A (ja) * 2004-02-25 2007-08-23 ビーエーエスエフ　アクチェンゲゼルシャフト スズ及び遷移金属を含まないポリウレタンフォーム
JP2008049703A (ja) * 2006-08-25 2008-03-06 Goldschmidt Gmbh 水性離型剤およびポリウレタン成形品の製造におけるその使用
WO2011016539A1 (fr) * 2009-08-07 2011-02-10 日東電工株式会社 Agent anti-adhésif, matériau anti-adhésif et ruban adhésif sensible à la pression
WO2011040410A1 (fr) * 2009-09-29 2011-04-07 日東電工株式会社 Agent d'élimination, matériau de démoulage, et bande adhésive

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003327947A (ja) * 2002-05-14 2003-11-19 Mitsubishi Chemicals Corp 離型剤
JP2004091776A (ja) * 2002-08-09 2004-03-25 Mitsubishi Chemicals Corp 離型剤および離型フィルム
JP2004250681A (ja) * 2003-01-30 2004-09-09 Mitsubishi Chemicals Corp 離型剤溶液および離型フィルム
JP2005105084A (ja) * 2003-09-29 2005-04-21 Tosoh Corp ポリウレタン樹脂製造用触媒組成物及びポリウレタン樹脂の製造方法
JP2007523983A (ja) * 2004-02-25 2007-08-23 ビーエーエスエフ　アクチェンゲゼルシャフト スズ及び遷移金属を含まないポリウレタンフォーム
JP2008049703A (ja) * 2006-08-25 2008-03-06 Goldschmidt Gmbh 水性離型剤およびポリウレタン成形品の製造におけるその使用
WO2011016539A1 (fr) * 2009-08-07 2011-02-10 日東電工株式会社 Agent anti-adhésif, matériau anti-adhésif et ruban adhésif sensible à la pression
WO2011040410A1 (fr) * 2009-09-29 2011-04-07 日東電工株式会社 Agent d'élimination, matériau de démoulage, et bande adhésive

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014010733A1 (fr) * 2012-07-13 2014-01-16 日東電工株式会社 Feuille contenant une couche photoréactive et procédé permettant de fabriquer une feuille contenant une couche photoréactive
WO2019111798A1 (fr) * 2017-12-08 2019-06-13 日産化学株式会社 Agent de démoulage contenant une résine solide
JPWO2019111798A1 (ja) * 2017-12-08 2020-12-10 日産化学株式会社 固体樹脂を含有するモールド用離型剤
JP7070845B2 (ja) 2017-12-08 2022-05-18 日産化学株式会社 固体樹脂を含有するモールド用離型剤

Also Published As

Publication number Publication date
JP2012162625A (ja) 2012-08-30

Similar Documents

Publication Publication Date Title
JP5989995B2 (ja) 剥離剤、離型材および粘着テープ
JP5925478B2 (ja) 粘着剤および粘着テープ
JP5463228B2 (ja) 剥離剤、離型材および粘着テープ
JP5323666B2 (ja) 剥離剤、離型材および粘着テープ
JP5539630B2 (ja) 両面粘着シート、発泡体の固定方法および積層体
JP5479484B2 (ja) 剥離剤、離型材、及び粘着テープ
JP6556055B2 (ja) 粘着シート
TWI880973B (zh) 雙面黏著帶
JP6499673B2 (ja) 接着テープ
WO2012105340A1 (fr) Agent de séparation, agent de démoulage et ruban adhésif
US20160355707A1 (en) Adhesive tape
JP2014015004A (ja) 離型材およびその製造方法、並びに粘着テープ
JP5514066B2 (ja) 剥離剤、離型材および粘着テープ
JP5514067B2 (ja) 剥離剤、離型材および粘着テープ
WO2012105338A1 (fr) Agent de démoulage
WO2012105339A1 (fr) Agent antiadhésif, son procédé de fabrication, matière antiadhésive et ruban adhésif sensible à la pression
JP2014031005A (ja) 光反応物層含有シートおよび光反応物層含有シートの製造方法
WO2013121854A1 (fr) Ruban adhésif
WO2012105342A1 (fr) Ruban adhésif sensible à la pression

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12741865

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 12741865

Country of ref document: EP

Kind code of ref document: A1