WO2014002838A1 - Composition de formation de résine de polyuréthane et résine de polyuréthane - Google Patents

Composition de formation de résine de polyuréthane et résine de polyuréthane Download PDF

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Publication number
WO2014002838A1
WO2014002838A1 PCT/JP2013/066780 JP2013066780W WO2014002838A1 WO 2014002838 A1 WO2014002838 A1 WO 2014002838A1 JP 2013066780 W JP2013066780 W JP 2013066780W WO 2014002838 A1 WO2014002838 A1 WO 2014002838A1
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Prior art keywords
polyurethane resin
component
group
polyisocyanate
forming composition
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PCT/JP2013/066780
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English (en)
Japanese (ja)
Inventor
欣範 山田
隆也 川村
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第一工業製薬株式会社
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Publication of WO2014002838A1 publication Critical patent/WO2014002838A1/fr

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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
    • 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
    • C08G18/48—Polyethers
    • C08G18/4854—Polyethers containing oxyalkylene groups having four carbon atoms in the alkylene group
    • 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
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
    • C08G18/78—Nitrogen
    • C08G18/79—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
    • C08G18/797—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing carbodiimide and/or uretone-imine groups
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes
    • C09D175/08—Polyurethanes from polyethers

Definitions

  • the present invention relates to a polyurethane resin-forming composition and a polyurethane resin.
  • a polyurethane resin-forming composition is known as a resin-forming composition used for paints, waterproofing materials, flooring materials, adhesives and the like.
  • a polyurethane resin-forming composition contains, for example, a polyol component and a polyisocyanate group-containing component. After the polyurethane resin-forming composition is applied to a substrate or the like, the polyol component and the polyisocyanate group are applied.
  • a polyurethane resin as a cured product is formed by reacting and curing the contained components.
  • polyether polyol obtained by adding propylene oxide to a polyol as the polyol component and containing the polyether polyol and a polyisocyanate group-containing component is known. (See Patent Document 1).
  • Patent Document 1 when a polyether polyol obtained by adding propylene oxide to a polyol is used as a polyol component, a polyurethane resin is formed by reacting the polyol component with a polyisocyanate group-containing component. In this case, foaming is observed in the obtained polyurethane resin, and a polyurethane resin having a good appearance may not be obtained. In addition, when the formed polyurethane resin is exposed to a high temperature and high humidity environment, the heat and moisture resistance may be insufficient.
  • the present invention has been made in view of the above-mentioned problems and the like, and an object thereof is to provide a polyurethane resin-forming composition capable of forming a polyurethane resin having a good appearance and excellent moisture and heat resistance. It is another object of the present invention to provide a polyurethane resin having a good appearance and excellent heat and heat resistance.
  • the polyurethane resin-forming composition according to the present invention is: A polyurethane resin-forming composition prepared using at least a polyether polyol component (a) and a polyisocyanate component (b),
  • the polyether polyol component (a) contains a polyether polyol (a1) obtained by adding butylene oxide to a polyol having three or more hydroxyl groups.
  • the polyurethane resin-forming composition can also adopt a structure containing an amino group.
  • foaming is performed as described above. Can be suppressed.
  • the polyurethane resin is excellent in heat and moisture resistance. Therefore, it is possible to form a polyurethane resin having a good appearance and excellent moisture and heat resistance.
  • the polyether polyol (a1) obtained by adding butylene oxide to the polyol is added with propylene oxide due to the hydrophobicity of the side chain. It becomes more hydrophobic than the polyether polyol. Since the polyurethane resin-forming composition is prepared using the polyether polyol component (a) containing the polyether polyol (a1) having relatively high hydrophobicity as described above, the polyurethane resin is used as described above. It is presumed that foaming can be suppressed when a hydroxyl group or amino group in the forming composition is reacted with an isocyanate group.
  • the polyurethane resin which is a cured product, also becomes highly hydrophobic, water penetration into the interior can be suppressed even when the polyurethane resin is placed in a high-temperature and high-humidity environment. It is assumed that it is excellent.
  • an active hydrogen group containing component (A) and a polyisocyanate group containing component (B) are included,
  • the said active hydrogen group containing component (A) and the said polyisocyanate group containing At least one of the component (B) is made using the polyether polyol component (a), and the polyisocyanate group-containing component (B) is made using at least the polyisocyanate component (b). It is preferable that it is produced.
  • foaming can be further suppressed and the heat and humidity resistance is further improved.
  • the active hydrogen group-containing component (A) contains the polyether polyol component (a).
  • the polyisocyanate group-containing component (B) is a urethane prepolymer produced by reacting the polyether polyol component (a) and the polyisocyanate component (b). It is preferable to contain.
  • the hydrophobicity of the polyisocyanate group-containing component (B) is further improved, the compatibility between the active hydrogen group-containing component (A) and the polyisocyanate component (b) can be further improved. . Thereby, while being able to suppress foaming more, the heat-and-moisture resistance becomes more excellent.
  • the polyurethane resin according to the present invention is obtained by curing the polyurethane resin-forming composition.
  • the polyurethane resin-forming composition according to the present invention makes it possible to form a polyurethane resin having a good appearance and excellent moisture and heat resistance.
  • the polyurethane resin according to the present invention has a good appearance and is excellent in moisture and heat resistance.
  • the polyurethane resin-forming composition of this embodiment is a polyurethane resin-forming composition prepared by using at least a polyether polyol component (a) and a polyisocyanate component (b), and the polyether polyol component (A) contains a polyether polyol (a1) obtained by adding butylene oxide to a polyol having three or more hydroxyl groups.
  • the polyurethane resin-forming composition is prepared using at least a polyether polyol component (a) and a polyisocyanate component (b). By reacting the hydroxyl group and the isocyanate group in the polyurethane resin-forming composition, the polyurethane resin-forming composition is cured to become a polyurethane resin.
  • the polyurethane resin-forming composition can also employ an amino group-containing configuration. In this case, the polyurethane resin-forming composition can be reacted by reacting a hydroxyl group, an amino group, and an isocyanate group. The product is cured to become a polyurethane resin.
  • an active hydrogen group such a substituent capable of reacting with an isocyanate group is referred to as an active hydrogen group.
  • the said polyurethane resin-forming composition is for forming a non-foaming polyurethane resin.
  • the non-foaming polyurethane resin is the density of the polyurethane resin (coating film as a solid) as a cured product with respect to the density (g / cm 3 ) of the polyurethane resin-forming composition (liquid) at a constant weight. It means a polyurethane resin having a (g / cm 3 ) of 90 to 100%. That is, it means a polyurethane resin in which the rate of decrease in density after curing relative to that before curing is 10% or less. The density is measured as follows.
  • the density (g / cm 3 ) of the polyurethane resin-forming composition is measured according to JIS K0061 (Floating method) by determining the density of each component contained in the polyurethane resin-forming composition in a 25 ° C. environment. And calculating the density as a theoretical value based on the obtained density of each component and the mixing ratio of each component. Moreover, the density (g / cm ⁇ 3 >, 25 degreeC) of a polyurethane resin is measured in 25 degreeC environment according to JISK6911.
  • the polyether polyol component (a) contains a polyether polyol (a1) obtained by adding butylene oxide to a polyol having three or more hydroxyl groups.
  • the polyol having three or more hydroxyl groups that is, a polyol having three or more functionalities, has six hydroxyl groups such as sorbitol in addition to triols such as glycerin and trimethylolpropane, tetraols such as pentaerythritol, sorbitan, and mannitan. Examples thereof include polyols having 8 hydroxyl groups such as polyol and sucrose.
  • a polyether polyol having 3 or more and 8 or less hydroxyl groups is preferable, and considering that it is more excellent in reactivity with polyisocyanate, a polyol having 3 hydroxyl groups (triol) is more preferable, Of these triols, trimethylolpropane is more preferred.
  • the polyether polyol component (a) contains a polyether polyol (a1) obtained by adding butylene oxide to the polyol, the polyether polyol component (a) has a relatively high hydrophobicity. Therefore, when the hydroxyl group and the isocyanate group in the polyurethane resin-forming composition are reacted, it is possible to suppress the foaming as described above. In addition, since the hydrophobicity of the polyurethane resin as a cured product is relatively high, even when the polyurethane resin is exposed to a high-temperature and high-humidity environment, the intrusion of water can be suppressed. . Therefore, it is possible to form a polyurethane resin having a good appearance and excellent moisture and heat resistance.
  • the polyol having three or more hydroxyl groups includes a part of alkylene oxide other than butylene oxide such as ethylene oxide and propylene oxide (10% by weight or less of the total alkylene oxide including butylene oxide). It may be added.
  • the polyether polyol component (a) is a polyether obtained by adding an alkylene oxide other than butylene oxide such as ethylene oxide or propylene oxide to a polyol having three or more hydroxyl groups within a range not impairing the effects of the present invention.
  • a polyol may be contained.
  • polyisocyanate component (b) examples include conventionally known general polyisocyanate compounds.
  • examples of the polyisocyanate component (b) include tetramethylene diisocyanate, dodecamethylene diisocyanate, hexamethylene diisocyanate, 2,2,4-trimethylhexamethylene diisocyanate, 2,4,4-trimethylhexamethylene diisocyanate.
  • aliphatic polyisocyanates such as lysine diisocyanate, 2-methylpentane-1,5-diisocyanate, and 3-methylpentane-1,5-diisocyanate.
  • polyisocyanate component (b) examples include isophorone diisocyanate, hydrogenated xylylene diisocyanate, 4,4′-dicyclohexylmethane diisocyanate, 1,4-cyclohexane diisocyanate, methylcyclohexylene diisocyanate, 1,3-bis ( Also included are alicyclic polyisocyanates such as (isocyanatomethyl) cyclohexane.
  • polyisocyanate component (b) examples include tolylene diisocyanate, 2,2′-diphenylmethane diisocyanate, 2,4′-diphenylmethane diisocyanate, 4,4′-diphenylmethane diisocyanate (MDI), polymethylene polyphenyl poly Isocyanate (polymeric MDI), 4,4′-dibenzyl diisocyanate, 1,5-naphthylene diisocyanate, xylylene diisocyanate, 1,3-phenylene diisocyanate, 1,4-phenylene diisocyanate, dialkyldiphenylmethane diisocyanate, tetraalkyldiphenylmethane diisocyanate, Aromatic polyisocyanates having an aromatic ring in the molecule such as ⁇ , ⁇ , ⁇ , ⁇ -tetramethylxylylene diisocyanate are also listed. It is.
  • modified polyisocyanate compounds such as carbodiimide bodies, isocyanurate bodies, burette bodies, and adduct bodies of the above-described compounds can also be used.
  • the aromatic polyisocyanate is preferable and the polymethylene polyphenyl polyisocyanate is more preferable in terms of excellent reactivity with the polyether polyol component (a).
  • the polyether polyol component (a) is preferably 30 to 90 parts by weight, more preferably 40 to 80 parts by weight with respect to 100 parts by weight of the urethane resin-forming composition.
  • the polyether polyol (a1) obtained by adding butylene oxide to the polyol is preferably 1 to 90 parts by weight, more preferably 10 to 80 parts by weight, based on 100 parts by weight of the urethane resin-forming composition.
  • the polyisocyanate component (b) is preferably 10 to 70 parts by weight, more preferably 20 to 60 parts by weight based on 100 parts by weight of the urethane resin-forming composition.
  • the polyurethane resin-forming composition may contain, for example, a polyester polyol, a polybutadiene polyol, a castor oil-based polyol, a polyamine and the like in addition to the polyether polyol component (a) and the isocyanate component (b).
  • you may contain the additive generally used for a polyurethane resin forming composition, such as a plasticizer, a pigment, an antifoamer, and a curing catalyst.
  • the polyurethane resin-forming composition can be produced by mixing by a conventionally known general method. Specifically, for example, it can be produced by mixing each compounding component by hand stirring or using a general mixing apparatus.
  • the polyurethane resin-forming composition includes an active hydrogen group-containing component (A) having a hydroxyl group and a polyisocyanate group-containing component (B), the active hydrogen group-containing component (A), At least one of the isocyanate group-containing component (B) is prepared using the polyether polyol component (a), and the polyisocyanate group-containing component (B) is at least the polyisocyanate component (b). It is preferable that it is produced using.
  • foaming can be further suppressed and the heat and humidity resistance is further improved.
  • the active hydrogen group-containing component (A) preferably contains the polyether polyol component (a).
  • the active hydrogen group-containing component (A) includes, for example, castor oil and derivatives thereof, polybutadiene polyol, polyisoprene polyol, polyester polyol, polytetramethylene glycol, amine polyol in addition to the polyether polyol component (a). And may contain polyamines and the like.
  • the polyisocyanate group-containing component (B) is a urethane prepolymer produced by reacting the polyether polyol component (a) and the polyisocyanate component (b). It is preferable to contain.
  • the active hydrogen group-containing component (A) may be produced using, for example, the polyether polyol component (a) as described above, or produced using the polyether polyol component (a). It does not have to be.
  • the active hydrogen group-containing component (A) is produced using the polyether polyol component (a)
  • the active hydrogen group-containing component (A) is a polyether polyol component (a).
  • it may be configured to contain castor oil and derivatives thereof as described above, polybutadiene polyol, polyisoprene polyol, polyester polyol, polytetramethylene glycol, amine polyol, polyamine and the like.
  • the active hydrogen group-containing component (A) does not contain the polyether polyol component (a)
  • the active hydrogen group-containing component (A) is, for example, castor oil and derivatives thereof as described above. , Polybutadiene polyol, polyisoprene polyol, polyester polyol, polytetramethylene glycol, amine polyol, polyamine and the like.
  • the polyisocyanate group-containing component (B) may be configured to contain the polyisocyanate component (b) in addition to the urethane prepolymer.
  • the hydrophobicity of the polyisocyanate group-containing component (B) is further improved, the compatibility between the active hydrogen group-containing component (A) and the polyisocyanate component (b) can be further improved. . Thereby, while being able to suppress foaming more, the heat-and-moisture resistance becomes more excellent.
  • the compounding ratio of the active hydrogen group-containing component (A) and the polyisocyanate group-containing component (B) is such that the isocyanate group is 1 with respect to 1.0 mol of active hydrogen groups in the active hydrogen group-containing component (A). It is preferably 0.0 to 1.2 mol.
  • the isocyanate group is 1.0 mol or more with respect to 1.0 mol of the active hydrogen group, there is an advantage that poor curing, poor water resistance, or strength reduction of the polyurethane resin can be suppressed.
  • the isocyanate group is 1.2 mol or less, there is an advantage that the polyurethane resin is suppressed from foaming due to the reaction of excess isocyanate groups with moisture in the air.
  • the polyurethane resin-forming composition contains the active hydrogen group-containing component (A) and the polyisocyanate group-containing component (B), these active hydrogen group-containing component (A) and polyisocyanate group What is necessary is just to manufacture a containing component (B) by a conventionally well-known general method, respectively.
  • At least one of the active hydrogen group-containing component (A) and the polyisocyanate group-containing component (B) promotes the reaction between the active hydrogen group-containing component (A) and the polyisocyanate group-containing component (B).
  • the general catalyst for making it may be contained.
  • the polyurethane resin of this embodiment is formed by curing the polyurethane resin-forming composition.
  • the polyurethane resin can be produced by a general method. Specifically, for example, an active hydrogen group-containing component (A) and a polyisocyanate group-containing component (B) are included, and the active hydrogen group-containing component (A), the polyisocyanate group-containing component (B), and At least one of which is produced using the polyether polyol component (a), and wherein the polyisocyanate group-containing component (B) is produced using at least the polyisocyanate component (b).
  • an active hydrogen group-containing component (A) and a polyisocyanate group-containing component (B) are included, and the active hydrogen group-containing component (A), the polyisocyanate group-containing component (B), and At least one of which is produced using the polyether polyol component (a), and wherein the polyisocyanate group-containing component (B) is produced using at least the polyisocyanate component (b).
  • the resin-forming composition is applied to the surface of a substrate formed of metal such as concrete, steel, various resins, fibers such as nonwoven fabric, glass, etc., and reacted with an active hydrogen group and an isocyanate group, A polyurethane resin which is a film-like cured product disposed on the substrate can be produced.
  • the active hydrogen group-containing component (A) containing the polyether polyol component (a) and the isocyanate group-containing component (B) containing the polyisocyanate component (b) are mixed to obtain the surface of the substrate.
  • the polyurethane resin which is a film-like cured product disposed on the substrate, can be produced by coating the substrate with the polyether polyol component (a) and the polyisocyanate component (b).
  • a urethane prepolymer obtained by reacting an active hydrogen group-containing component (A) containing the polyether polyol component (a), the polyether polyol component (a) and the polyisocyanate component (b).
  • the isocyanate group-containing component (B) contained is mixed and applied to the surface of the base material, and the polyether polyol component (a) and the isocyanate group of the urethane prepolymer are reacted with each other on the base material.
  • a urethane prepolymer obtained by reacting the active hydrogen group-containing component (A) not containing the polyether polyol component (a), the polyether polyol component (a) and the polyisocyanate component (b). Is mixed with an isocyanate group-containing component (B) containing, and applied to the surface of the substrate, and the hydroxyl group of the active hydrogen group-containing component (A) is reacted with the isocyanate group of the urethane prepolymer, It is also possible to produce a polyurethane resin which is a film-like cured product arranged on the substrate.
  • the polyurethane resin includes, for example, an active hydrogen group-containing component (A) having a hydroxyl group and a polyisocyanate group-containing component (B), the active hydrogen group-containing component (A), and the At least one of the polyisocyanate group-containing component (B) is prepared using the polyether polyol component (a), and the polyisocyanate group-containing component (B) is at least the polyisocyanate component (b). ) Is used to cure the polyurethane resin-forming composition prepared using
  • the said active hydrogen group containing component (A) is produced using the said polyether polyol component (a), for example,
  • the said polyisocyanate group containing component (B) is polyisocyanate.
  • curing the polyurethane resin-forming composition produced using the component (b) is mentioned.
  • the polyisocyanate group-containing component (B) contains a urethane prepolymer produced by reacting the polyether polyol component (a) and the polyisocyanate component (b). What is formed by curing a polyurethane resin-forming composition is used.
  • polyurethane resin-forming composition and polyurethane resin of the above embodiment are as exemplified above, but the present invention is not limited to the above-exemplified polyurethane resin-forming composition and polyurethane resin. Moreover, the various aspects used in a general polyurethane resin forming composition and a polyurethane resin are employable in the range which does not impair the effect of this invention.
  • the average hydroxyl value was determined according to JIS K1557-1 (Method A).
  • B Polyisocyanate component (b-1) Carbodiimide-modified diphenylmethane diisocyanate-containing liquid MDI (Product name: Lupranate MM-103, manufactured by BASF INOAC Polyurethanes, density (25 ° C.): 1.22 g / cm 3 , free isocyanate group content: 29.5 wt%)
  • B-2 Polyphenylpolymethylene polyisocyanate (trade name: Millionate MR-100, manufactured by Nippon Polyurethane Industry Co., Ltd., density (25 ° C.): 1.24 g / cm 3 , free isocyanate group content: 31.0% by weight )
  • B-3) Diphenylmethane diisocyanate (Trade name: Lupranate MI, manufactured by BASF INOAC Polyurethanes, density (25 ° C.): 1.21 g / cm 3 , free isocyanate group content: 33.6% by weight)
  • (C) Isocyanate group-terminated urethane prepolymer obtained by the following production method In a four-necked flask equipped with a stirrer, a reflux condenser, a thermometer and a nitrogen blowing tube, (a1-2) 15 parts by weight, (b- 1) A polyurethane prepolymer (density (25 ° C.): 1.19 g / cm 3 , free isocyanate group content: 22.1% by weight) was obtained by adding 85 parts by weight and reacting at 90 ° C. for 1 hour. .
  • the density of each component was measured in a 25 ° C. environment according to JIS K 0061 (floating method).
  • a curing accelerating catalyst (trade name: 100 parts by weight of the total amount of the active hydrogen group-containing component (a) and the polyisocyanate group-containing component (B).
  • the obtained coating film was visually observed to confirm the presence or absence of foaming.
  • the presence or absence of foaming is the density of the polyurethane resin-forming composition obtained from the mixing ratio of the active hydrogen group-containing component (A) and the polyisocyanate-containing component (B) based on the density (g / cm 3 ) of each component described above. Evaluation was made by the ratio (percentage,%) of the density (g / cm 3 , 25 ° C.) of the coating film (cured product) when (theoretical value) was 100%. It shows that there are few bubbles, so that this ratio is large. In addition, the density of the coating film was measured according to JIS K6911.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Polyurethanes Or Polyureas (AREA)

Abstract

L'invention concerne une composition de formation de résine de polyuréthane grâce à laquelle on peut former une résine de polyuréthane présentant un aspect agréable et une résistance supérieure à l'humidité et à la chaleur. La composition de formation de résine de polyuréthane est fabriquée au moyen d'au moins un constituant polyéther polyol (a) et un constituant polyisocyanate (b), ledit constituant polyéther polyol (a) contenant un polyéther polyol (a1), qui est créé par l'addition d'oxyde de butylène à un polyol comportant au moins trois groupes hydroxyle.
PCT/JP2013/066780 2012-06-29 2013-06-19 Composition de formation de résine de polyuréthane et résine de polyuréthane WO2014002838A1 (fr)

Applications Claiming Priority (2)

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JP2012147580A JP5877131B2 (ja) 2012-06-29 2012-06-29 ポリウレタン樹脂形成性組成物及びポリウレタン樹脂
JP2012-147580 2012-06-29

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CN106811095A (zh) * 2016-12-24 2017-06-09 王振庆 耐腐蚀抗渗透防水涂料
CN109642005A (zh) * 2016-07-11 2019-04-16 陶氏环球技术有限责任公司 双组分粘着剂组合物和其制备方法

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WO2016204978A1 (fr) * 2015-06-18 2016-12-22 Dow Global Technologies Llc Adhésifs contenant du polyuréthane en deux parties fabriqués à l'aide de quasi-prépolymeres comportant un isocyanate en position terminale à base de poly(oxyde de butylène)
CN109196010A (zh) * 2016-05-31 2019-01-11 陶氏环球技术有限责任公司 低阴极剥离涂料组合物
JP7108757B1 (ja) * 2021-07-13 2022-07-28 第一工業製薬株式会社 ポリウレタン樹脂組成物
JP7108756B1 (ja) 2021-07-13 2022-07-28 第一工業製薬株式会社 ポリウレタン樹脂組成物

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