WO2016072145A1 - 水系ポリウレタン樹脂組成物 - Google Patents
水系ポリウレタン樹脂組成物 Download PDFInfo
- Publication number
- WO2016072145A1 WO2016072145A1 PCT/JP2015/075418 JP2015075418W WO2016072145A1 WO 2016072145 A1 WO2016072145 A1 WO 2016072145A1 JP 2015075418 W JP2015075418 W JP 2015075418W WO 2016072145 A1 WO2016072145 A1 WO 2016072145A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- polyurethane resin
- polyol
- group
- resin composition
- mass
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
- C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/62—Polymers of compounds having carbon-to-carbon double bonds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/62—Polymers of compounds having carbon-to-carbon double bonds
- C08G18/6204—Polymers of olefins
- C08G18/6208—Hydrogenated polymers of conjugated dienes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3442—Heterocyclic compounds having nitrogen in the ring having two nitrogen atoms in the ring
- C08K5/3445—Five-membered rings
- C08K5/3447—Five-membered rings condensed with carbocyclic rings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
- C08K5/3472—Five-membered rings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
Definitions
- the present invention relates to an aqueous polyurethane resin composition.
- this invention relates to the invention hung up below.
- A1 selected from the group consisting of polybutadiene polyol, hydrogenated polybutadiene polyol, polyisoprene polyol, and hydrogenated polyisoprene polyol with respect to 100 parts by mass
- the isocyanate group Containing compound (B) is aliphatic isocyanate (B1) and / or tolylene diisocyanate (B2)
- the mass of the hydroxyl group-containing compound (A) is 95 masses of one or more (A1) selected from the group consisting of polybutadiene polyol, hydrogenated polybutadiene polyol and polyisoprene polyol with respect to 100 mass parts of the hydroxyl group-containing compound (A).
- the aqueous polyurethane resin composition according to (1) which is contained in an amount of at least parts.
- (6) A cured product of the aqueous polyurethane resin composition according to any one of (1) to (5).
- the aqueous polyurethane resin composition of the present invention comprises a urethane prepolymer (X) obtained by reacting a hydroxyl group-containing compound (A), an isocyanate group-containing compound (B) and an acidic group-containing polyol (C) with (X)
- a urethane prepolymer obtained by reacting a hydroxyl group-containing compound (A), an isocyanate group-containing compound (B) and an acidic group-containing polyol (C) with (X)
- the hydroxyl group-containing compound (A) in the present invention contains one or more (A1) selected from the group consisting of polybutadiene polyol, hydrogenated polybutadiene polyol, polyisoprene polyol, and hydrogenated polyisoprene polyol.
- polybutadiene polyol is preferable from the viewpoint of emulsification
- hydrogenated polybutadiene polyol and hydrogenated polyisoprene polyol are preferable from the viewpoint of heat resistance.
- the molecular weight of the hydroxyl group-containing compound (A) is preferably 400 or more from the viewpoint of heat resistance, heat and humidity resistance, flexibility, and low temperature characteristics.
- the content of one or more (A1) selected from the group consisting of polybutadiene polyol, hydrogenated polybutadiene polyol, polyisoprene polyol, and hydrogenated polyisoprene polyol is 100 parts by mass of the hydroxyl group-containing compound (A). 80 parts by mass or more, preferably 90 parts by mass or more, more preferably 95 parts by mass or more. If it is these ranges, it is preferable at the point of heat resistance, heat-and-moisture resistance, flexibility, and a low temperature characteristic.
- the number average molecular weight of one or more (A1) selected from the group consisting of polybutadiene polyol, hydrogenated polybutadiene polyol, polyisoprene polyol, and hydrogenated polyisoprene polyol is preferably 500 to 5000, and preferably 1000 to 5000, from the viewpoint of emulsifiability. 3000 is more preferable.
- polyols other than polybutadiene polyol, hydrogenated polybutadiene polyol and polyisoprene polyol can be blended.
- Such polyol is not particularly limited, and examples thereof include polyether polyol, polyester polyol, and polycarbonate polyol. These can use 1 type, or 2 or more types.
- the polyether polyol is not particularly limited, and examples thereof include ethylene glycol, diethylene glycol, propylene glycol, dipropylene glycol, 1,3-butanediol, 1,4-butanediol, 4,4′-dihydroxyphenylpropane, 4 A dihydric alcohol such as, 4′-dihydroxyphenylmethane or a trihydric or higher polyhydric alcohol such as glycerin, 1,1,1-trimethylolpropane, 1,2,5-hexanetriol, pentaerythritol, ethylene oxide, Examples thereof include addition polymers with alkylene oxides such as propylene oxide, butylene oxide and ⁇ -olefin oxide.
- the polyester polyol is not particularly limited.
- it is a reaction product of a fatty acid and a polyol
- the fatty acid is not particularly limited.
- ricinoleic acid, succinic acid, glutaric acid, adipic acid, pimelic acid examples thereof include hydroxy-containing long chain fatty acids such as suberic acid, azelaic acid, sebacic acid, terephthalic acid, isophthalic acid, oxycaproic acid, oxycapric acid, oxyundecanoic acid, oxylinoleic acid, oxystearic acid, and oxyhexanedecenoic acid.
- the polyol that reacts with the fatty acid is not particularly limited.
- glycols such as ethylene glycol, propylene glycol, butylene glycol, 3-methyl-1,5-pentanediol, hexamethylene glycol, neopentyl glycol and diethylene glycol
- glycerin Trifunctional polyols such as trimethylolpropane and triethanolamine, tetrafunctional polyols such as diglycerin and pentaerythritol, hexafunctional polyols such as sorbitol, octafunctional polyols such as sugar, alkylene oxides and aliphatics corresponding to these polyols
- examples include addition polymerization products of alicyclic and aromatic amines, addition polymerization products of alkylene oxides and polyamide polyamines, and the like.
- glyceride ricinoleate polyester polyol of ricinoleic acid and 1,1,1-trimethylolpropane, and the like are preferable.
- the isocyanate group-containing compound (B) in the present invention contains aliphatic isocyanate (B1) and / or tolylene diisocyanate (B2).
- the aliphatic isocyanate (B1) is not particularly limited, and examples thereof include tetramethylene diisocyanate, dodecamethylene diisocyanate, hexamethylene diisocyanate, 2,2,4-trimethylhexamethylene diisocyanate, and 2,4,4-trimethylhexamethylene diisocyanate. Lysine diisocyanate, 2-methylpentane-1,5-diisocyanate, 3-methylpentane-1,5-diisocyanate and the like.
- modified bodies such as terminal diisocyanate group prepolymers with carbodiimide-modified bodies, isocyanurate bodies, allophanate bodies, and hydroxyl group-containing compounds (A) of aliphatic diisocyanates can also be used. These can use 1 type, or 2 or more types.
- Examples of the tolylene diisocyanate (TDI) (B2) include 2,4-TDI and 2,6-TDI. These modified carbodiimides, isocyanurates, allophanates, terminal isocyanate group prepolymers with a hydroxyl group-containing compound (A), and the like can also be used. These can use 1 type, or 2 or more types.
- the isocyanate group-containing compound (B) used in the present invention may contain an isocyanate group-containing compound other than the aliphatic isocyanate (B1) and / or tolylene diisocyanate (B2).
- an isocyanate group-containing compound is not particularly limited, and examples thereof include alicyclic polyisocyanate compounds, aromatic polyisocyanate compounds other than tolylene diisocyanate (B2), and araliphatic polyisocyanate compounds.
- terminal isocyanate group prepolymers with carbodiimide-modified products isocyanurate bodies, allophanate bodies, and hydroxyl group-containing compounds (A) of isocyanate group-containing compounds other than the aliphatic isocyanate (B1) and / or tolylene diisocyanate (B2).
- Modified bodies such as polymers can also be used. These can use 1 type, or 2 or more types.
- the content of the aliphatic isocyanate (B1) and / or tolylene diisocyanate (B2) in the isocyanate group-containing compound (B) in the present invention is preferably from the isocyanate group-containing compound (B) 100 in terms of heat resistance and moist heat resistance. 50 mass parts or more are preferable with respect to mass parts, and 60 mass parts or more are more preferable.
- the alicyclic polyisocyanate compound is not particularly limited.
- isophorone diisocyanate and 4,4'-dicyclohexylmethane diisocyanate are preferable in terms of heat resistance, heat and humidity resistance, and yellowing resistance.
- the aromatic polyisocyanate compound other than the tolylene diisocyanate (B2) is not particularly limited.
- 2,2′-diphenylmethane diisocyanate, 2,4′-diphenylmethane diisocyanate, 4,4′-diphenylmethane diisocyanate (MDI) 4,4′-dibenzyl diisocyanate, 1,5-naphthylene diisocyanate, xylylene diisocyanate, 1,3-phenylene diisocyanate, 1,4-phenylene diisocyanate and the like.
- the acidic group-containing polyol (C) is a polyol compound having at least one acidic group in the molecule.
- an acidic group For example, a carboxyl group, a sulfonyl group, a phosphoric acid group, a phenolic hydroxyl group etc. are mentioned.
- a carboxyl group is preferable from the viewpoints of emulsifying properties, coating film forming properties, drying properties, and water resistance.
- the acidic group-containing polyol compound (C) that can be used in the present invention is not particularly limited, and specifically, dimethylol alkanoic acid such as 2,2-dimethylolpropionic acid and 2,2-dimethylolbutanoic acid, N , N-bishydroxyethylglycine, N, N-bishydroxyethylalanine, 3,4-dihydroxybutanesulfonic acid, 3,6-dihydroxy-2-toluenesulfonic acid, and the like.
- an alkanoic acid having 4 to 12 carbon atoms (dimethylolalkanoic acid) containing two methylol groups is preferable, and 2,2-dimethylolpropionic acid is particularly preferable.
- the chain extender (D) is preferably a compound having in the molecule two or more active hydrogen atoms having reactivity with the isocyanate group of the polyurethane prepolymer (X).
- chain extenders include polyamine compounds containing two or more primary or secondary amino groups in one molecule, hydrazide compounds, and low molecular weight polyol compounds having a molecular weight of less than 400.
- Polyamine compounds and hydrazide compounds include melamine, dimethylolurea, dimethylolethylamine, diethanolmethylamine, dipropanolethylamine, dibutanolmethylamine, hexylenediamine, tetraethylenepentamine, succinic dihydrazide, glutaric dihydrazide, adipic acid Dihydrazide, sebacic acid dihydrazide, terephthalic acid dihydrazide, isophthalic acid dihydrazide, hydrazine, ethylenediamine, 1,3-propanediamine, 1,2-propanediamine, 1,4-butanediamine, 1,6-hexanediamine, 2-methyl- 1,5-pentanediamine, diethylenetriamine, triethylenetetramine, 1,3-bis (aminomethyl) cyclohexane, piperazine, 2,5-dimethylpipera Emissions, diaminodiphenylmethane, tolylenediamine
- Low molecular weight polyol compounds having a molecular weight of less than 400 include ethylene glycol, propylene glycol, 1,4-butanediol, 1,6-hexanediol, 1,4-cyclohexanediol, 1,4-cyclohexanedimethanol, 1,3- Examples include cyclohexanedimethanol, trimethylolpropane, and pentaerythritol.
- a chain extender may be used individually by 1 type, and may be used in combination of 2 or more type. Of these, hydrazide compounds are preferred, and adipic acid dihydrazide is particularly preferred from the viewpoint of industrial availability, adhesion to the substrate, physical properties of the coating film, and durability.
- the amount of the chain extender (D) added is equal to or less than the equivalent of the isocyanate group serving as a chain extension starting point in the obtained urethane polymer. If the addition amount of the chain extender (D) is not more than the equivalent of the isocyanate group, it is preferable from the viewpoints of heat resistance of the cured product, heat and humidity resistance, and adhesion to the substrate. Chain stretching can also be performed with water. In this case, water as a dispersion medium also serves as a chain extender.
- the content of the chain extender (D) is 1-12 parts by mass with respect to 100 parts by mass of the polyurethane resin (Y).
- the amount is preferably 2-11 parts by mass, more preferably 3-10 parts by mass.
- the content of the isocyanate group-containing compound (B), the hydroxyl group-containing compound (A) and the acidic group-containing polyol (C) is appropriately determined depending on physical properties such as the hardness of the target cured product.
- the active hydrogen of the acidic group-containing polyol (C), the isocyanate group of the isocyanate group-containing compound (B) is preferably 1.0 to 2.2 times equivalent, more preferably 1.2 to 2. 0 equivalents.
- the content of one or more (A1) selected from the group consisting of the polybutadiene polyol, hydrogenated polybutadiene polyol and polyisoprene polyol, and the content of the aliphatic isocyanate (B1) is relative to the active hydrogen of (A1).
- the isocyanate group of (B1) is preferably 1.5 to 3.5 times equivalent, more preferably 1.8 to 3.2 times equivalent. Within these ranges, it is preferable in terms of heat resistance, moist heat resistance, flexibility, and low temperature characteristics.
- the acid value of (X) is preferably 5 to 40 (mgKOH / g), more preferably 8 to 35 (mgKOH / g). Within these ranges, emulsification is easy to perform and it is preferable from the viewpoint of heat and humidity resistance of the coating film.
- the acid value is calculated by the method described in the examples.
- a basic component may be added to the urethane prepolymer solution to neutralize acidic groups derived from the acidic group-containing polyol compound (C) contained in the polyurethane prepolymer.
- basic components that can be used for neutralization include trimethylamine, triethylamine, triisopropylamine, tributylamine, triethanolamine, N-methyldiethanolamine, N-phenyldiethanolamine, dimethylethanolamine, diethylethanolamine, and N-methylmorpholine.
- Organic amines such as pyridine, inorganic alkalis such as sodium hydroxide and potassium hydroxide, ammonia and the like. Among them, preferred is an organic amine, and particularly preferred is triethylamine.
- the addition method is preferably a method in which the basic component is added directly or as an aqueous solution to the polyurethane prepolymer solution, and the addition amount is 0.3 to 2 times equivalent to the acidic groups in the polyurethane prepolymer. The equivalent of 0.4 to 1.5 times is preferable.
- the polyurethane resin content in the water-based polyurethane resin composition of the present invention is not particularly limited, but is preferably 20 to 65% by weight, more preferably 25 to 55% by weight from the viewpoint of emulsification and drying properties.
- a hydroxyl group containing compound (A) and an isocyanate group containing compound (B) are made to react in the organic solvent which does not have an active hydrogen group.
- an organic solvent solution containing a polyurethane resin (Y) is obtained by adding an acidic group-containing polyol (C), and water is added to the organic solvent solution and dispersed in water.
- a method of separating the organic solvent from the obtained aqueous composition it is preferable that the chain extender (D) is added simultaneously with the addition of the water.
- the prepolymer (X) can also be synthesized without using an organic solvent. When the prepolymer (X) is dispersed in water, a surfactant may be used as necessary.
- the filler flame retardant, antifoaming agent, antibacterial agent, rust inhibitor, stabilizer, plasticizer, thickener, Additives such as glazes and other aqueous dispersion resins can be included.
- the antifoaming agent in the present invention is not particularly limited. From the viewpoint of the defoaming effect for the present invention, a silicone emulsion containing octamethylcyclotetrasiloxane is preferred.
- the content of the silicone emulsion in the aqueous polyurethane resin composition is not particularly limited, but is preferably 0.001 to 2% by weight, more preferably 0.003 to 1% by weight, based on the polyurethane resin (Y).
- the rust inhibitor in the present invention is not particularly limited, and examples thereof include a triazole compound.
- the triazole compound is not particularly limited as long as it is a compound having a triazole group and a derivative thereof.
- 1,2,3-triazole, 1,2,4-triazole, 3-amino-1,2,4- Examples include triazole, 3-mercapto-1,2,4-triazole, 5-amino-3-mercapto-1,2,4-triazole, 1,2,3-triazole, 1H-benzotriazole and the like.
- 1,2,3-triazole is preferable from the viewpoint of the antirust effect on the present invention.
- the content of the triazole compound in the aqueous polyurethane resin composition is not particularly limited, but is preferably 0.001 to 2% by weight, more preferably 0.003 to 1% by weight, based on the polyurethane resin (Y).
- the antifungal agent in the present invention is not particularly limited, and examples thereof include benzimidazole compounds.
- the benzimidazole compound is not particularly limited as long as it is a compound having a benzimidazole group and a derivative thereof.
- benzimidazole compound is not particularly limited as long as it is a compound having a benzimidazole group and a derivative thereof.
- 4,5,6,7-tetrachloro-2-trifluoromethylbenzimidazole, 1- (butylcarbamoyl) Examples include methyl -2-benzimidazole carbamate, 2-methoxycarbonylaminobenzimidazole, 2- (4-thiazolyl) -benzimidazole, and 2-methoxycarbonylaminobenzimidazole.
- the content of the benzimidazole compound in the aqueous polyurethane resin composition is not particularly limited, but is preferably 0.001 to 2% by weight, more preferably 0.002 to 1% by weight, based on the polyurethane resin (Y).
- the heat resistance of the present invention is that the water dispersion is poured into a Teflon (registered trademark) container with a thickness of 100 ⁇ m wet (state of water dispersion), left at 25 ° C. and 65% RH for 24 hours, and then at 80 ° C. for 24 hours.
- Teflon registered trademark
- the surface resistance is measured after treating the test piece obtained by drying at 120 ° C. for 3000 hours, it is preferably 10 11 ⁇ or more.
- the heat-and-moisture resistance of the present invention is that the water dispersion is poured into a Teflon (registered trademark) container with a thickness of 100 ⁇ m wet (state of water dispersion), left at 25 ° C. and 65% RH for 24 hours, and then 80 ° C. for 24 hours.
- Teflon registered trademark
- the surface resistance is measured after treating the test piece obtained by drying at 85 ° C. ⁇ 85% RH ⁇ 3000 hours, it is preferably 10 11 ⁇ or more.
- the water dispersion was poured into a Teflon (registered trademark) container with a thickness of 100 ⁇ m (wet state of the water dispersion), left at 25 ° C. and 65% RH for 24 hours, and then the surface resistance was measured. Is preferably 10 13 ⁇ or more. If it is these ranges, workability
- polyurethane resin composition of the present invention and the polyurethane resin raw material composition of the present invention will be described in detail based on Examples and Comparative Examples.
- “parts” and “%” represent “parts by mass” and “mass%”, respectively, unless otherwise specified.
- Example 1 To a four-necked flask equipped with a stirrer, a reflux condenser, a thermometer, and a nitrogen blowing tube, polybutadiene polyol (Poly bd R-15HT) is added as the A1 component, isophorone diisocyanate and methyl ethyl ketone are added as the B1 component. By reacting for a period of time, an MEK solution containing 30% of a prepolymer was obtained. Further, dimethylolpropionic acid, triethylamine, Neostan U-28 and methyl ethyl ketone were added as component C and reacted at 75 ° C.
- polybutadiene polyol Poly bd R-15HT
- Examples 2 to 13, Comparative Examples 1 to 4 The composition and content described in Table 1 were adjusted by the method described in Example 1.
- the raw materials used in Tables 1 and 2 are as follows.
- (A1-1) Polybutadiene polyol, Poly bd R-15HT, molecular weight 1200, hydroxyl value 102.7 (mgKOH / g) (manufactured by Idemitsu Kosan)
- (A1-2) Polybutadiene polyol, Poly bd R-45HT, molecular weight 2800, hydroxyl value 46.6 (mgKOH / g) (manufactured by Idemitsu Kosan)
- (A1-4) Polyisoprene polyol, Poly ip, molecular weight 2500,
- ⁇ Acid value> The number of mg of KOH required to neutralize the free carboxyl group contained in 1 g of the polyurethane resin (X) is shown and calculated from the charged amount of the acidic group-containing polyol (dimethylolpropionic acid (C1) used).
- ⁇ Evaluation method> (Heat resistance, heat and humidity resistance) 1. Preparation of test piece The water dispersion was poured into a Teflon (registered trademark) container with a thickness of 100 ⁇ m wet (state of water dispersion), left at 25 ° C. and 65% RH for 24 hours, and then dried at 80 ° C. for 24 hours. Obtained. 2. Evaluation of heat resistance After the test piece was treated at 120 ° C for 3000 hours, the surface resistance was measured and evaluated by the following method.
- the surface resistance is ULTRA HIGH RESISTANCE METER R8340A manufactured by ADVANTEST, and a measurement voltage of 500 V is applied to a test piece (70 mm ⁇ 70 mm) at 25 ⁇ 5 ° C. and 65 ⁇ 5% RH for 60 seconds. This was done by measuring the later values.
- ⁇ Surface resistance of 10 11 ⁇ or more
- ⁇ Surface resistance of less than 10 11 ⁇ Evaluation of wet heat resistance After the test piece was treated at 85 ° C. ⁇ 85% RH ⁇ 3000 hours, the surface resistance was measured by the method described above.
- ⁇ Surface resistance of 10 11 ⁇ or more ⁇ : Surface resistance of less than 10 11 ⁇
- aqueous dispersion was poured into a Teflon (registered trademark) container with a thickness of 100 ⁇ m wet (in the state of an aqueous dispersion) and allowed to stand at 25 ° C. and 65% RH for 24 hours, and then the surface resistance was measured by the method described above.
- ⁇ Surface resistance of 10 13 ⁇ or more
- ⁇ Surface resistance of less than 10 13 ⁇
- the water-based polyurethane resin composition of the present invention is an electronic used in switch parts and electric tools for electric washing machines, toilet seats, water heaters, water purifiers, baths, dishwashers, etc. Sealant for sealing the circuit to protect it from moisture and moisture, sealing agent and coating agent for electric and electronic devices, and capacitors, converters, transformers, electric wires, coils, electrical components (electronic components for automobiles) It is suitably used as an insulating material.
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
Description
(1) 水酸基含有化合物(A)、イソシアネート基含有化合物(B)と酸性基含有ポリオール(C)とを反応させて得られるウレタンプレポリマー(X)に、(X)のイソシアネート基との反応性を有する鎖伸張剤(D)を更に反応させて得られる、ポリウレタン樹脂(Y)の水分散体を含有する、水系ポリウレタン樹脂組成物であって、前記水酸基含有化合物(A)が、水酸基含有化合物(A)100質量部に対して、ポリブタジエンポリオール、水添ポリブタジエンポリオール、ポリイソプレンポリオール、および水添ポリイソプレンポリオールからなる群より選ばれる一種以上(A1)を80質量部以上含有し、前記イソシアネート基含有化合物(B)が脂肪族イソシアネート(B1)および/またはトリレンジイソシアネート(B2)を含有し、前記鎖伸張剤(D)の含有量が、ポリウレタン樹脂(Y)100質量部に対して、1~12質量部である、水系ポリウレタン樹脂組成物。
(2) 前記水酸基含有化合物(A)が、水酸基含有化合物(A)100質量部に対して、ポリブタジエンポリオール、水添ポリブタジエンポリオールおよびポリイソプレンポリオールからなる群より選ばれる一種以上(A1)を95質量部以上含有する、(1)記載の水系ポリウレタン樹脂組成物。
(3)前記(X)の酸価が5~40(mgKOH/g)である請求項1または2記載の水系ポリウレタン樹脂組成物。
(4) さらにトリアゾール化合物および/またはベンゾイミダゾール化合物を含有する、(1)~(3)いずれか記載の水系ポリウレタン樹脂組成物。
(5) 電気電子部品用であることを特徴とする(1)~(4)いずれか記載の水系ポリウレタン樹脂組成物。
(6) (1)~(5)いずれか記載の水系ポリウレタン樹脂組成物の硬化物。
撹拌機、還流冷却管、温度計及び窒素吹き込み管を備えた4つ口フラスコに、A1成分としてポリブタジエンポリオール(Poly bd R-15HT)、B1成分としてイソホロンジイソシアネート、およびメチルエチルケトンを加え、75℃で1時間反応させることで、プレポリマーを30%含むMEK溶液を得た。さらにC成分としてジメチロールプロピオン酸、トリエチルアミン、ネオスタンU-28およびメチルエチルケトンを加え、75℃で1時間反応させ、プレポリマーを50%含むMEK溶液を得た。次に、この溶液を45℃まで冷却し、続いて、乳化水およびD成分としてアジピン酸ジヒドラジドを混合した。この乳化分散液を50℃、3トールで2時間減圧して脱溶剤を行い、最後にFSアンチフォーム013A、1,2,3-ベンゾトリアゾールおよびホクスター25%ゾルを添加し、(Y)の含有量40質量%の水系ポリウレタン樹脂組成物を得た。
表1に記載の組成および含有量にて、実施例1記載の方法で調整した。
表1および表2において使用した原料は以下の通りである。
(A1-1)ポリブタジエンポリオール、Poly bd R-15HT、分子量1200、水酸基価102.7(mgKOH/g)(出光興産製)
(A1-2)ポリブタジエンポリオール、Poly bd R-45HT、分子量2800、水酸基価46.6(mgKOH/g)(出光興産製)
(A1-3)水添ポリブタジエンポリオール、GI-1000、分子量1500、水酸基価67.5(mgKOH/g)(日本曹達製)
(A1-4)ポリイソプレンポリオール、Poly ip、分子量2500、水酸基価46.6(mgKOH/g)(出光興産製)
(A1-5)水添ポリイソプレンポリオール、エポール、分子量2500、水酸基価50.5(mgKOH/g)(出光興産製)
(A2-1)アジピン酸、1,4-ブタンジオールのポリエステルポリオール、テスラック2464、分子量1000、水酸基価112(mgKOH/g)(日立化成製)
(B1-1)イソホロンジイソシアネート
(B2-1)2,4-TDI、2,6-TDIの8:2混合物、コロネートT-80、(日本ポリウレタン工業製)
(B3-1)4,4’-ジフェニルメタンジイソシアネート
(C1)ジメチロールプロピオン酸
(D1)アジピン酸ジヒドラジド
(E1)トリエチルアミン
(E2)スタナスオクトエート、ネオスタンU-28(日東化成工業製)
(F)水
(G1)シリコーン系消泡剤、FSアンチフォーム013A(東レダウコーニング製)
(G2)1,2,3-ベンゾトリアゾール
(G3)2-(4-チアゾリル)ベンズイミダゾール、ホクスター25%ゾル(北興化学工業製)
ポリウレタン樹脂(X)1g中に含まれる遊離カルボキシル基を中和するに要するKOHのmg数を示し、用いた酸性基含有ポリオール(ジメチロールプロピオン酸(C1)の仕込量より算出した。
(耐熱性、耐湿熱性)
1.試験片の作成
水分散体をテフロン(登録商標)容器に、wet(水分散体の状態)100μmの厚みで流し、25℃、65%RHで24時間放置し、次いで80℃24時間乾燥して得た。
2.耐熱性の評価
試験片を120℃×3000時間処理後、表面抵抗を測定し、下記の方法で評価した。なお、実施例において表面抵抗は、ADVANTEST社製 ULTRA HIGH RESISTANCE METER R8340Aを用い、25±5℃、65±5%RHで、試験片(70mm×70mm)に500Vの測定電圧を印加し、60秒後の数値を測定することで行なった。
○:表面抵抗1011Ω以上
×:表面抵抗1011Ω未満
3.耐湿熱性の評価
試験片を85℃×85%RH×3000時間処理後、前記の方法で表面抵抗を測定した。
○:表面抵抗1011Ω以上
×:表面抵抗1011Ω未満
水分散体をテフロン(登録商標)容器に、wet(水分散体の状態)100μmの厚みで流し、25℃、65%RHで24時間放置した後、前記の方法で表面抵抗を測定した。
○:表面抵抗1013Ω以上
×:表面抵抗1013Ω未満
実施例1~12から分かるように、本発明の水系ポリウレタン樹脂組成物は、耐熱性、耐湿熱性および乾燥性に優れることが分かる。
Claims (6)
- 水酸基含有化合物(A)、イソシアネート基含有化合物(B)と酸性基含有ポリオール(C)とを反応させて得られるウレタンプレポリマー(X)に、(X)のイソシアネート基との反応性を有する鎖伸張剤(D)を更に反応させて得られる、ポリウレタン樹脂(Y)の水分散体を含有する、水系ポリウレタン樹脂組成物であって、
前記水酸基含有化合物(A)が、水酸基含有化合物(A)100質量部に対して、ポリブタジエンポリオール、水添ポリブタジエンポリオール、ポリイソプレンポリオール、および水添ポリイソプレンポリオールからなる群より選ばれる一種以上(A1)を80質量部以上含有し、
前記イソシアネート基含有化合物(B)が脂肪族イソシアネート(B1)および/またはトリレンジイソシアネート(B2)を含有し、
前記鎖伸張剤(D)の含有量が、ポリウレタン樹脂(Y)100質量部に対して、1~12質量部である、
水系ポリウレタン樹脂組成物。 - 前記水酸基含有化合物(A)が、水酸基含有化合物(A)100質量部に対して、ポリブタジエンポリオール、水添ポリブタジエンポリオールおよびポリイソプレンポリオールからなる群より選ばれる一種以上(A1)を95質量部以上含有する、請求項1記載の水系ポリウレタン樹脂組成物。
- 前記(X)の酸価が5~40(mgKOH/g)である請求項1または2記載の水系ポリウレタン樹脂組成物。
- さらにトリアゾール化合物および/またはベンゾイミダゾール化合物を含有する、請求項1~3いずれか記載の水系ポリウレタン樹脂組成物。
- 電気電子部品用であることを特徴とする請求項1~4いずれか記載の水系ポリウレタン樹脂組成物。
- 請求項1~5のいずれか記載の水系ポリウレタン樹脂組成物の硬化物。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020177010152A KR102412821B1 (ko) | 2014-11-04 | 2015-09-08 | 수계 폴리우레탄 수지 조성물 |
MYPI2017701259A MY183253A (en) | 2014-11-04 | 2015-09-08 | Aqueous polyurethane resin composition |
CN201580057794.8A CN107108838A (zh) | 2014-11-04 | 2015-09-08 | 水性聚氨酯树脂组合物 |
JP2016557481A JP6285046B2 (ja) | 2014-11-04 | 2015-09-08 | 水系ポリウレタン樹脂組成物 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014224173 | 2014-11-04 | ||
JP2014-224173 | 2014-11-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016072145A1 true WO2016072145A1 (ja) | 2016-05-12 |
Family
ID=55908875
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2015/075418 WO2016072145A1 (ja) | 2014-11-04 | 2015-09-08 | 水系ポリウレタン樹脂組成物 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP6285046B2 (ja) |
KR (1) | KR102412821B1 (ja) |
CN (1) | CN107108838A (ja) |
MY (1) | MY183253A (ja) |
WO (1) | WO2016072145A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018221199A1 (ja) * | 2017-05-30 | 2018-12-06 | Dic株式会社 | 水性樹脂組成物、水性塗料、及び物品 |
WO2019230393A1 (ja) * | 2018-06-01 | 2019-12-05 | 第一工業製薬株式会社 | フィルムコーティング剤 |
CN112442308A (zh) * | 2019-09-05 | 2021-03-05 | Dic株式会社 | 水性树脂组合物、水性涂料以及物品 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102024162B1 (ko) | 2017-06-28 | 2019-09-23 | 엘지전자 주식회사 | 유리 조성물 및 조리기기 |
JP6755631B2 (ja) * | 2018-08-30 | 2020-09-16 | 第一工業製薬株式会社 | 電池ポッティング用2液硬化型樹脂組成物 |
KR20220151614A (ko) * | 2020-03-17 | 2022-11-15 | 다이이치 고교 세이야쿠 가부시키가이샤 | 이차 전지 세퍼레이터용 폴리우레탄 수지 수분산체, 이차 전지 세퍼레이터 및 이차 전지 |
CN112341598A (zh) * | 2020-11-25 | 2021-02-09 | 华南理工大学 | 一种绝缘型水性聚氨酯分散体及其制备方法与应用 |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60197720A (ja) * | 1984-03-21 | 1985-10-07 | Toyo Tire & Rubber Co Ltd | ポリウレタン水性樹脂分散体 |
JPH1053636A (ja) * | 1996-05-13 | 1998-02-24 | Elf Atochem North America Inc | アニオン系水性ポリウレタン分散体 |
JPH11209455A (ja) * | 1998-01-28 | 1999-08-03 | Nicca Chem Co Ltd | 樹脂改質剤、該改質剤を含む樹脂発泡体、及び該樹脂発泡体からなる化粧用塗布具 |
JP2002500698A (ja) * | 1998-03-25 | 2002-01-08 | エルフ アトケム ソシエテ アノニム | ポリウレタンの水性懸濁液とその製造方法 |
JP2002080554A (ja) * | 2000-07-12 | 2002-03-19 | Solutia Austria Gmbh | ポリブタジエン単位を含む水性ポリウレタン分散液 |
JP2003261764A (ja) * | 2002-01-02 | 2003-09-19 | Solutia Austria Gmbh | 塗装された表面のための保護層 |
JP2004225042A (ja) * | 2003-01-17 | 2004-08-12 | National Central Univ | ブロック高分子相分離のダブル連続相ナノ構造とその応用 |
JP2009263565A (ja) * | 2008-04-28 | 2009-11-12 | Dainichiseika Color & Chem Mfg Co Ltd | プラスチック用塗料 |
JP2011046912A (ja) * | 2008-12-01 | 2011-03-10 | Mitsubishi Chemicals Corp | ポリウレタンの製造方法及びそれから得られたポリウレタンの用途 |
WO2015019598A1 (ja) * | 2013-08-06 | 2015-02-12 | 第一工業製薬株式会社 | リチウム二次電池の電極用結着剤、該結着剤を用いて製造された電極、該電極を使用したリチウム二次電池 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4644030A (en) * | 1985-02-01 | 1987-02-17 | Witco Corporation | Aqueous polyurethane - polyolefin compositions |
JP3626418B2 (ja) * | 2000-03-07 | 2005-03-09 | 三洋化成工業株式会社 | 繊維処理剤 |
JP4316835B2 (ja) * | 2002-02-25 | 2009-08-19 | 第一工業製薬株式会社 | 一液型絶縁性ポリウレタン樹脂用組成物 |
DE10249304B4 (de) * | 2002-10-22 | 2006-09-28 | Cytec Surface Specialties Germany Gmbh & Co. Kg | Wäßrige Beschichtungsmittel |
JP3973227B2 (ja) | 2006-11-13 | 2007-09-12 | 第一工業製薬株式会社 | 水系ポリウレタン樹脂組成物 |
JP3973228B2 (ja) | 2006-11-13 | 2007-09-12 | 第一工業製薬株式会社 | 水系ポリウレタン樹脂組成物 |
JP3946756B2 (ja) | 2006-11-13 | 2007-07-18 | 第一工業製薬株式会社 | 水系ポリウレタン樹脂組成物 |
JP2008214617A (ja) * | 2007-02-09 | 2008-09-18 | Dai Ichi Kogyo Seiyaku Co Ltd | 反応性一液型ポリウレタン水性プライマー組成物 |
CN101235129B (zh) * | 2008-03-05 | 2011-04-13 | 安徽大学 | 聚丁二烯基水性聚氨酯及其改性乳液的制备方法 |
JP5408000B2 (ja) * | 2010-03-31 | 2014-02-05 | 宇部興産株式会社 | 水性ポリウレタン樹脂分散体及びその使用 |
KR101636637B1 (ko) * | 2012-03-15 | 2016-07-05 | 디아이씨 가부시끼가이샤 | 히트 시일제, 그것을 사용한 적층체 및 태양 전지 모듈 |
CN103030775B (zh) * | 2012-12-14 | 2015-08-26 | 广州宏昌胶粘带厂 | 用于制作防水条的水性聚氨酯乳液及其制备方法 |
-
2015
- 2015-09-08 MY MYPI2017701259A patent/MY183253A/en unknown
- 2015-09-08 WO PCT/JP2015/075418 patent/WO2016072145A1/ja active Application Filing
- 2015-09-08 CN CN201580057794.8A patent/CN107108838A/zh active Pending
- 2015-09-08 JP JP2016557481A patent/JP6285046B2/ja active Active
- 2015-09-08 KR KR1020177010152A patent/KR102412821B1/ko active IP Right Grant
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60197720A (ja) * | 1984-03-21 | 1985-10-07 | Toyo Tire & Rubber Co Ltd | ポリウレタン水性樹脂分散体 |
JPH1053636A (ja) * | 1996-05-13 | 1998-02-24 | Elf Atochem North America Inc | アニオン系水性ポリウレタン分散体 |
JPH11209455A (ja) * | 1998-01-28 | 1999-08-03 | Nicca Chem Co Ltd | 樹脂改質剤、該改質剤を含む樹脂発泡体、及び該樹脂発泡体からなる化粧用塗布具 |
JP2002500698A (ja) * | 1998-03-25 | 2002-01-08 | エルフ アトケム ソシエテ アノニム | ポリウレタンの水性懸濁液とその製造方法 |
JP2002080554A (ja) * | 2000-07-12 | 2002-03-19 | Solutia Austria Gmbh | ポリブタジエン単位を含む水性ポリウレタン分散液 |
JP2003261764A (ja) * | 2002-01-02 | 2003-09-19 | Solutia Austria Gmbh | 塗装された表面のための保護層 |
JP2004225042A (ja) * | 2003-01-17 | 2004-08-12 | National Central Univ | ブロック高分子相分離のダブル連続相ナノ構造とその応用 |
JP2009263565A (ja) * | 2008-04-28 | 2009-11-12 | Dainichiseika Color & Chem Mfg Co Ltd | プラスチック用塗料 |
JP2011046912A (ja) * | 2008-12-01 | 2011-03-10 | Mitsubishi Chemicals Corp | ポリウレタンの製造方法及びそれから得られたポリウレタンの用途 |
WO2015019598A1 (ja) * | 2013-08-06 | 2015-02-12 | 第一工業製薬株式会社 | リチウム二次電池の電極用結着剤、該結着剤を用いて製造された電極、該電極を使用したリチウム二次電池 |
Non-Patent Citations (1)
Title |
---|
SHIH MIN HUANG ET AL.: "Effects of ion group content and polyol molecular weight on physical properties of HTPB-based waterborne poly(urethane-urea)s", JOURNAL OF APPLIED POLYMER SCIENCE, vol. 105, no. 6, 2007, pages 3794 - 3801, XP055278763 * |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018221199A1 (ja) * | 2017-05-30 | 2018-12-06 | Dic株式会社 | 水性樹脂組成物、水性塗料、及び物品 |
JP6512468B1 (ja) * | 2017-05-30 | 2019-05-15 | Dic株式会社 | 水性樹脂組成物、水性塗料、及び物品 |
CN110678516A (zh) * | 2017-05-30 | 2020-01-10 | Dic株式会社 | 水性树脂组合物、水性涂料及物品 |
CN110678516B (zh) * | 2017-05-30 | 2022-03-11 | Dic株式会社 | 水性树脂组合物、水性涂料及物品 |
US11299575B2 (en) | 2017-05-30 | 2022-04-12 | Dic Corporation | Water-based resin composition, water-based paint, and article |
WO2019230393A1 (ja) * | 2018-06-01 | 2019-12-05 | 第一工業製薬株式会社 | フィルムコーティング剤 |
CN112442308A (zh) * | 2019-09-05 | 2021-03-05 | Dic株式会社 | 水性树脂组合物、水性涂料以及物品 |
Also Published As
Publication number | Publication date |
---|---|
JP6285046B2 (ja) | 2018-02-28 |
MY183253A (en) | 2021-02-18 |
KR102412821B1 (ko) | 2022-06-24 |
CN107108838A (zh) | 2017-08-29 |
JPWO2016072145A1 (ja) | 2017-04-27 |
KR20170081642A (ko) | 2017-07-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6285046B2 (ja) | 水系ポリウレタン樹脂組成物 | |
JP5809989B2 (ja) | 水性ポリウレタン樹脂組成物及びその製造方法 | |
JP3885531B2 (ja) | 水性ポリウレタン系エマルジョン、並びにこれを用いた水性接着剤及び水性塗料 | |
US20130317171A1 (en) | Aqueous polyurethane resin dispersion and use thereof | |
US9163161B2 (en) | Polyurethane aqueous dispersion, formed film obtained from same, and glove | |
WO1997042246A1 (en) | Polyurethane composition useful for coating cylindrical parts | |
KR20140039237A (ko) | 수성 폴리우레탄 수지 분산체 및 그것을 함유하는 코팅용 조성물 | |
JP2006274009A (ja) | 水分散型ポリウレタン組成物 | |
WO2018235921A1 (ja) | ポリウレタン水分散体、ポリウレタン水分散体の製造方法、水系塗料組成物および塗膜 | |
CN101821310B (zh) | 水性聚氨酯树脂、涂膜、人造及合成皮革 | |
JP5596363B2 (ja) | カルボニル基含有ウレタンウレア樹脂の水分散体 | |
JP2010222554A (ja) | 水性塗料用ポリウレタン樹脂エマルション | |
WO2010098210A1 (ja) | プライマー組成物 | |
JPH11228655A (ja) | 水性印刷インキ用ポリウレタン系エマルジョン及びそれを用いた水性印刷インキ | |
TWI570182B (zh) | Polyamide ester resin aqueous dispersion and plastic film primer | |
JP5544724B2 (ja) | 水性ポリウレタン樹脂組成物およびこれを用いたフィルム成型体 | |
JP3583073B2 (ja) | 水系ポリウレタン樹脂組成物及びそれを用いたプラスチックフィルム用コーティング剤 | |
WO2021002342A1 (ja) | 複層フィルム | |
JPH07228651A (ja) | ポリウレタンエマルジョンの製造方法 | |
JP2020083902A (ja) | 水性樹脂組成物及びそれを含有するコーティング剤組成物 | |
JP6355123B2 (ja) | ウレタン樹脂及びそのエマルジョン | |
JP2011137052A (ja) | 水性ポリウレタン樹脂組成物およびこれを用いたフィルム成型体 | |
JP2013155334A (ja) | 水性ポリウレタン樹脂組成物及びその硬化物 | |
JP2011074178A (ja) | ポリウレタン樹脂水性分散体 | |
JP2023151199A (ja) | 水性ウレタン樹脂分散体及びコーティング材料組成物並びにその塗膜。 |
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: 15856784 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2016557481 Country of ref document: JP Kind code of ref document: A |
|
ENP | Entry into the national phase |
Ref document number: 20177010152 Country of ref document: KR Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 15856784 Country of ref document: EP Kind code of ref document: A1 |