WO2004031296A1 - ポリオール混合物および該混合物より得られる反応性ホットメルト組成物ならびに該組成物を使用して得られる成形品 - Google Patents
ポリオール混合物および該混合物より得られる反応性ホットメルト組成物ならびに該組成物を使用して得られる成形品 Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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- 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
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4205—Polycondensates having carboxylic or carbonic ester groups in the main chain containing cyclic groups
- C08G18/4208—Polycondensates having carboxylic or carbonic ester groups in the main chain containing cyclic groups containing aromatic groups
- C08G18/4211—Polycondensates having carboxylic or carbonic ester groups in the main chain containing cyclic groups containing aromatic groups derived from aromatic dicarboxylic acids and dialcohols
- C08G18/4216—Polycondensates having carboxylic or carbonic ester groups in the main chain containing cyclic groups containing aromatic groups derived from aromatic dicarboxylic acids and dialcohols from mixtures or combinations of aromatic dicarboxylic acids and aliphatic dicarboxylic acids and dialcohols
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- 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
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- 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
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
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- 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
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4236—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups
- C08G18/4238—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups derived from dicarboxylic acids and dialcohols
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- 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
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4266—Polycondensates having carboxylic or carbonic ester groups in the main chain prepared from hydroxycarboxylic acids and/or lactones
- C08G18/4269—Lactones
- C08G18/4277—Caprolactone and/or substituted caprolactone
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- 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
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/44—Polycarbonates
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
- C09J175/06—Polyurethanes from polyesters
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- 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
- C08G2170/00—Compositions for adhesives
- C08G2170/20—Compositions for hot melt adhesives
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- 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
- C08G2250/00—Compositions for preparing crystalline polymers
Definitions
- the present invention relates to a polyol mixture containing an aliphatic polyester polyol, an aromatic polyester polyol and a polycarbonate polyol, a reactive hot melt composition obtained from the mixture, and a molded article using the same.
- Reactive hot-melt adhesives have excellent strength and bonding speed, are highly suitable for line application in the assembly industry, and rapidly grow to meet the social demands for solvent removal and energy saving. ing. At the same time, there is a strong demand for improvement in continuous workability, and there is a demand for a reactive hot melt adhesive having a higher curing speed.
- the crystallinity of the polyester polyol affects its curing rate. That is, a polyester polyol having a high degree of crystallinity is extremely advantageous for improving the curing speed.
- Raw materials for these polyester polyols include polycarboxylic acid components such as terephthalic acid, isophthalic acid, succinic acid, adipic acid, azelaic acid, sebacic acid, and dodecane diacid; and diol components such as ethylene glycol and propylene. Glyconore, 1,4-butanediol, 1,51-pentanedole, 1,6-hexanediol, 1,4-cyclohexanedimethanol and the like are known.
- polyester polyols obtained from the combination of these monomers there are dopecanedioic acid and 1,6-hexanediol as raw materials for producing a reactive hot melt adhesive having an improved curing rate, and sebacine. Disclosed are those using an acid and 1,6-hexanediol, and polyester polyols using dodecanedioic acid and ethylene glycol. (See, for example, Japanese Patent Application Laid-Open No. 2-88686 (pp. 416).)
- the reactive hot-melt adhesive obtained from the reaction between the polycarbonate polyol and the polyisocyanate has improved initial adhesive strength and heat-resistant adhesive strength, and has excellent heat stability and moisture resistance (or water resistance). Is disclosed. (See, for example, Japanese Patent Application Laid-Open No. 2-308882 (pages 7-8).)
- a moisture-curable polyurethane hot-melt adhesive is used as a molding material for producing molded articles. The molding material is heated and melted, injected into a closed mold under a caloric pressure of 0.1 to 5 MPa, the molded article solidified by cooling is removed from the mold a short time later, and then exposed to air and moisture.
- a molding method has been disclosed in which the hardening process has been disclosed, the major economic and technical advantages of which are greatly reduced processing pressures, relatively simple equipment and means, and good adhesion to various substrates. Furthermore, the moldings are temperature-resistant and adhere to various substrates and are described as being particularly suitable for the production of electrical components. (For example, see Japanese Patent Application Publication No. 10-51 17 16 (pp. 16-18).)
- a crystalline polyester polyol produced mainly from an aliphatic dicarboxylic acid and an aliphatic diol, 10 to 97% by weight
- Polyester polyol prepared mainly from aromatic polycarboxylic acid and aliphatic polyol, 0 to 45% by weight
- the reactive hotmelt / reto composition of the present invention comprises the above polyol mixture
- linear aliphatic polyester polyols produced mainly from aliphatic dicarboxylic acids such as dodecanedioic acid and adipic acid and 1,6-hexanediol, o-, m-, p-phthalic acid and the like
- Aromatic polyester polyol produced mainly with aromatic polycarboxylic acid and polyol such as 1,6-hexanediol and polycarbonate polyol mixture produced using polyol such as 1,6-hexanediol And a reaction obtained therefrom, and a raw hot melt composition and a molded article using the same.
- the (1) crystalline polyester polyol produced using an aliphatic dicarboxylic acid and an aliphatic diol as main components used in the present invention is a crystalline polyester polyol obtained from an aliphatic dicarboxylic acid and an aliphatic diol.
- Such a crystalline polyester polyol is preferably a crystalline polyester polyol obtained from a linear aliphatic dicarboxylic acid having 6 to 12 carbon atoms and a linear aliphatic diol having 2 to 12 carbon atoms.
- dicarboxylic acids include adipic acid, azelaic acid, sepasic acid, decandioic acid, and dodecane diacid.
- diols include ethylene glycol, 1,4-butanediol, and 1,6-1. Hexanediol, 1,10-decanediole, and 1,12-dodecanediol.
- the dicarboxylic acids and diols of the present invention can be used alone or as a mixture without any problem. Furthermore, there is no problem even if it is a mixture of the polyester polyols obtained above.
- an aliphatic dicarboxylic acid and an aliphatic diol as main components means that the crystalline polyester polyol obtained from the aliphatic dicarboxylic acid and the aliphatic diol is 50% by weight of the total weight of all polyester polyols. As described above, the content is preferably 70% by weight or more, more preferably 80% by weight or more.
- Other components include a polycarbonate polyol and a polylactone polyol / polyether polyol.
- polycarbonate polyol examples include a polycarbonate diol containing a linear aliphatic dial such as 1,6-hexanediol, 1,5-pentanediol, and 1,4-butanediol.
- polylactone polyol examples include a polyprolactone polyol by ring-opening polymerization of a lactone prolactone monomer.
- polyether polyol examples include polyethylene glycol, polypropylene glycol, and polytetramethylene glycol.
- the crystallinity in the present invention is the only one that is evaluated in terms of crystallinity by X-ray diffraction (Roland method) of a polyester polyol cooled and solidified at a cooling rate of 10 ° CZ from the molten state.
- Yes for example, see “X-ray diffraction of macromolecules”, by LE Alexander, edited by Ichiro Sakurada, Kagaku Doujin, 1972, p. 125
- the degree of crystallinity is 30% or more.
- the degree of crystallinity is 40% or more. If the crystallinity is lower than 20%, the solidification time of the produced reactive hot melt composition tends to be long, which is not preferable.
- Polyester polyol produced mainly from aromatic polycarboxylic acid and aliphatic poly'ol is a polyester polyol obtained from aromatic polycarboxylic acid and aliphatic polyol.
- the aromatic polycarboxylic acid is a compound having at least two carboxyl groups on an aromatic ring, and a preferable aromatic polycarboxylic acid is an aromatic polycarboxylic acid having 8 to 20 carbon atoms. Specific examples include phthalic acid, isophthalic acid and terephthalic acid, trimellitic acid, pyromellitic acid, and biphenyldicarboxylic acid.
- the aromatic polycarboxylic acid may be used in the form of a derivative such as a polyalkyl ester, a polyaryl ester or an acid anhydride. Preferred are phthalic acid, isophthalic acid and terephthalic acid, and dialkyl ester compounds, diaryl ester compounds and diphthalic anhydride thereof. These aromatic polycarboxylic acids and their derivatives have no problem whether used alone or in combination.
- the alkyl group of the polyalkyl ester is not particularly limited, and is preferably an aliphatic saturated hydrocarbon group having 1 to 8 carbon atoms, specifically, a methyl group, an ethyl group, a propyl group. And a butyl group.
- the aryl group of the polyarylester is also not particularly limited, and is preferably an aromatic hydrocarbon group having 6 to 12 carbon atoms. Specifically, a phenyl group, a tril group, and a And the like.
- Aliphatic polyols are fats with at least two hydroxyl groups in the molecule.
- Aliphatic hydrocarbon compounds, and preferred aliphatic polyols are aliphatic polyols having 2 to 12 carbon atoms, specifically, ethylene glycol, 1,3-propanediol, 1,4-butanediol, 1,5-pentanediene, neopentyl glycol, 1,6-hexanediol, 1,10-decanediol, 1,12-dodecanediol, 2,2-getylpropanediol, 2-ethyl-2 — Butynolepropanediol, Trimethylolethane, Trimethylolprono ⁇ .
- Hexanedimethanol Preferably, ethylene glycol monoole, 1,3-propanediole, 1,4-butanediol, 1,5-pentandiole, neopentylglyconele, 1,6-hexanediole, 1,10 —Decanediol and 1,12-dodecanediol; more preferably, ethylene glycolone, 1,4-butanediol, neopentyl glycol, and 1,6-hexanediol.
- aliphatic polyols include diethylene glycol, triethylene glycol, tetraethylene gnocol, and 1,4-bis (hydroxyethoxy) benzene in which carbon atoms have been partially substituted with oxygen atoms or aromatic rings. May be. There is no problem if these aliphatic polyols are used alone or in combination. Further, oxyacid having 2 to 12 carbon atoms such as hydroxypiparic acid may be contained as a constituent.
- the aliphatic polycarboxylic acid is a carboxylic acid having 4 to 12 carbon atoms. Specific examples include adipic acid.
- Preferred aromatic polycarboxylic acids containing this compound include a combination of phthalic acid and adipic acid, and corresponding aliphatic polyols include ethylene glycol and neopentyl glycol. Good Good.
- the polyester polyols (1) and (2) may be prepared from aliphatic dicarboxylic acids and aliphatic diols, and aromatic polycarboxylic acids and / or polyalkyl esters and / or aryl esters and / or acid anhydrides thereof. From aliphatic polyols by known polycondensation. Generally, the equivalent ratio (hydroxyl group Z carboxyl group) of the hydroxyl group of the aliphatic diol or aliphatic polyol to the carboxyl group of the aliphatic dicarboxylic acid # 7 or the aromatic polycarboxylic acid (and / or a derivative thereof) is 1 0.2 to 1.5 are preferred, and 1.05 to 1.3 is more preferred.
- a predetermined amount of aliphatic dicarboxylic acid and aliphatic diol or aromatic polycarboxylic acid and aliphatic polyol are added in the presence or absence of a catalyst in a temperature range of about 150 to 250 ° C. Then, esterification or transesterification is carried out by polycondensation for about 1 to 50 hours.
- a catalyst for example, it is also preferable to carry out the reaction in the presence of a titanium-based catalyst such as titanium tetrabutoxide or a tin-based catalyst such as dibutyltin oxide, because it promotes polycondensation.
- the catalyst may be charged together with the aliphatic diol and the aliphatic dicarboxylic acid, or the aliphatic polyol and the aromatic polycarboxylic acid, or may be added after the prepolymerization is performed without a catalyst.
- polyester polyol it is desirable to make both ends almost hydroxyl groups so as not to generate carboxylic acid terminals. For this purpose, it is particularly effective to add the above-mentioned catalyst after prepolymerization. Is preferable.
- the number average molecular weight of the polyester polyols (1) and (2) is preferably from 5,000 to 2,000, more preferably from 10,000 to 5,000, and in particular It is preferably 150 000 to: L 0000. If it is smaller than this range, heat resistance, chemical resistance, and initial and curing strength are likely to be insufficient. If it is larger than this range, the viscosity at the time of melting becomes high, and it may be difficult to handle.
- the (3) polycarbonate polyol used in the present invention may be a conventionally known polyol (polyhydric alcohol: having at least two hydroxyl groups in a molecule). Compounds) and phosgene, chloroformate, dialkyl carbonate or diaryl carbonate, and are obtained in various molecular weights.
- Preferred examples of such a polycarbonate polyol include aliphatic polyols, cycloaliphatic polyols, and aromatic polyols.
- polyols have their carbon atoms partially substituted with oxygen atoms or aromatic rings, such as ethylene glycolone, triethylene glycolone, tetraethylene glycolone, 1,4-bis ( ⁇ -hydroxyethoxy) benzene, , 2-bis (4-hydrid kissetoxyphenyl-propane).
- polystyrene resins are used alone or in combination.
- individual polycarbonate polyols may be randomly or block copolymerized.
- the number average molecular weight of the polycarbonate polyol is preferably from 300 to 20,000, more preferably from 400 to: L0000, even more preferably from 500 to 50,000. If it is smaller than this range, the crystallinity is low, and if it is larger than this range, the viscosity at the time of melting tends to increase.
- the reactive hot melt composition obtained by reacting a polyol mixture obtained by combining an appropriate amount of a polycarbonate polyol with the polyester polyols (1) and (2) and polyisocyanate is applied to an adherend, particularly aluminum.
- an adherend particularly aluminum.
- An aliphatic dicarboxylic acid and an aliphatic diol used in the present invention are mainly used.
- a polyester polyol produced using an aromatic polycarboxylic acid and an aliphatic polyol as main components and
- Crystalline polyester polyol produced as a main component an aliphatic dicarboxylic acid and an aliphatic diol, 1 0-9 7 wt 0/0
- Polyester polyol prepared mainly from aromatic polycarboxylic acid and aliphatic polyol, 0 to 45% by weight
- a crystalline polyester polyol produced mainly from an aliphatic dicarboxylic acid and an aliphatic diol, 30 to 90% by weight
- the content of the crystalline polyester polyol produced mainly from an aliphatic dicarboxylic acid and an aliphatic diol is less than 10% by weight, it takes a long time to adhere due to solidification of the molten reactive hot melt composition. You. Also 97 weight. / Number of containing adhesion time than 0 is extremely short and, adherends, it particularly poor initial adhesion of the aluminum, undesirable.
- Polyester polyols produced mainly from aromatic polycarboxylic acids and aliphatic polyols may not be used in some cases, but may be used in order to adjust the strength of the reactive hot melt composition. Use within the range of 5% by weight. If the content is more than 45% by weight, the crystallinity of the composition may be lowered or the workability may be impaired, which is not preferable.
- polyols not included in the above (1), (2) and (3) may be mixed in a small amount with the above polyol mixture.
- examples of the polyol other than the above (1), (2) and (3) include polylatatone polyol / polyether polyol.
- Polylactone polyols that can be used include, for example, polyprolactatone polyols obtained by ring-opening polymerization of lipoprolactone monomers.
- polyether polyol examples include polyethylene glycol, polypropylene glycol, and polytetramethylene glycol.
- the polyisocyanate used in the present invention is generally a well-known aromatic, aliphatic or cycloaliphatic diisocyanate—a high-functional or high-molecular polyisocyanate, preferably an aromatic diisocyanate.
- aromatic diisocyanate preferably an aromatic diisocyanate.
- the range of use of the polyol mixture and the polyisocyanate of the present invention is not particularly limited and is used within a normal range. That is, the molar ratio of the OH group of the polyol mixture to the NCO group of the polyisocyanate is 1: 1.2 to 1: 3.5, preferably 1: 1.5-1: 3.0, more preferably 1: 1.7 to 1: 2.5
- the reaction conditions are not particularly limited. Specifically, the reaction is carried out in a solvent at a temperature of 50 to 150 ° C., preferably 70 to 140 ° C., for about 0.5 to 10 hours.
- a transition metal compound catalyst such as titanium tetrabutoxide, dibutyl tin oxide, dibutyl tin dilaurate, tin 2-ethylcaproate, zinc naphthenate, cobalt naphthenate, 2- Zinc ethylcaprate, molybdenum glycolate
- a catalyst such as puden, iron chloride, zinc chloride or the like, or an amine catalyst such as triethylamine, triptylamine, triethylenediamine, benzyldibutylamine, etc. may be added. It is preferable to carry out the reaction in an inert gas atmosphere, but there is no problem under dry air atmosphere or closed conditions, such as in a condition where moisture does not enter.
- the viscosity of the reactive hot melt composition obtained in the present invention preferably, it is 120 at l OOOOO cps or less, more preferably 100 to 50,000 cps, still more preferably 200 to 40,000 cps or less, most preferably 5 to 100,000 cps or less. 00 to 7000 cps or less.
- the reactive hot melt composition of the present invention can be used as it is, it is used after adding a plasticizer, a thermoplastic polymer, a tackifier, an antioxidant, etc., which are used in a normal hot melt composition. You can also. Further, coloring agents and fillers usually used in molding resins can also be used.
- the reactive hot melt composition obtained in the present invention can be used not only for general hot melt adhesion IJ, but also for metals (specifically, copper, magnesium, and aluminum, and preferably aluminum).
- the excellent adhesion and adhesion time can be adjusted, making it suitable for continuous processing such as bonding and sealing.
- Examples include the shoemaking industry, timber processing industry, building materials industry, bookbinding industry, metal industry, resin processing industry, automobile manufacturing industry, electric and electronic component manufacturing industry, and semiconductor component manufacturing industry.Manufacturing in these industrial fields
- the product to be processed is an article. Specific molded products in the electrical and electronic component manufacturing industry and the semiconductor component manufacturing industry include semiconductor encapsulation products and circuit boards for computers, videos, cameras, game machines, televisions, radios and mobile phone parts.
- the reactive hot melt composition obtained by the present invention can also be used to form a molded article using only the reactive hot melt composition without introducing, bonding, or sealing parts. .
- the processing temperature of the reactive hot melt composition obtained in the present invention is at least the melting point of the reactive hot melt composition used, preferably 70 to 200 ° C., more preferably 90 to 17 ° C. 0 ° C. If the temperature is lower than the melting point, the working efficiency is poor. If the processing temperature is too high, the reaction 1 "raw hot melt composition may deteriorate, which is not preferable.
- the reactive hot melt composition obtained by the present invention is used for molding
- ordinary injection molding machines and applicators are used.
- the injection molding method As an example, the reactive hot melt composition is melted at a temperature of 70-200 ° C., and this melt is injected into a closed mold under an overpressure of 0.1-5 MPa, The cooled molded product is removed from the mold in a short time and then cured by atmospheric moisture. Further, it is also possible to insert a part before molding in the above-mentioned industrial field as a member for bonding or sealing into a closed mold. .
- the hydroxyl value and the acid value of the polyester polyol were measured in accordance with JIS K 1557, and the number average molecular weight was calculated from the hydroxyl value.
- the melting point and crystallization temperature of the polyester polyol were determined from the temperature of the maximum endothermic peak and the maximum heat release peak in differential thermal analysis (DSC).
- the measurement of DSC was performed at a heating rate of 10 ° O min and a cooling rate of 10 ° CZ min.
- the degree of crystallinity is determined by heating and melting the produced polyester polyol at a temperature higher than its melting point, cooling and solidifying it at a rate of 1 o ° c / min from this state, turning it into powder, and using X-ray diffraction. (Roland method).
- Polyester polyol made of 1,6-hexanediol and dodecanedioic acid and having an average molecular weight of 3600 manufactured by Ube Industries (hereinafter referred to as ETERNACOLL 3010) 70 parts by weight, average made of 1,6-hexanediol and dimethyl carbonate 30 parts by weight of a polycarbonate polyol manufactured by Ube Industries, Ltd. having a molecular weight of 1000 (described as UH-CARB 100) was placed in a separable flask, purged with nitrogen, and heated and melted at 120 ° C. Further, while stirring at 250 rpm, dehydration treatment was performed at 120 ° C.
- the melting point, crystallization temperature, melt viscosity, open time, set time, and initial adhesiveness were measured by the following physical property measurement methods. The results are shown in Table 1.
- Crystallization temperature The temperature of the crystallization peak in the DSC measurement was determined as the crystallization temperature.
- the measurement condition of D S C is from 100 ° C with a cooling rate of 10 ° C Zmin-10
- Hot melt melted at 120 ° C is applied on a 1.6 mm thick aluminum plate to a size of about 2 cm in diameter and about 2 mm in thickness, and allowed to cool at room temperature. It was solidified. After standing for 10 minutes, a force was applied to the end of the solidified reactive hot melt composition with the tip of a spatula to separate the aluminum plate and the reactive hot melt composition, and the adhesion was examined. At this time, X was peeled off naturally after standing, X was peeled off by light force, A was peeled off by strong force, and the reactive hot melt composition was deformed and did not peel off. Were evaluated as ⁇ .
- polyester polyol and the polycarbonate polyol shown in Table 1 were used instead of 70 parts by weight of etanacol (ETERNACOLL) 3010 and 30 parts by weight of UH-CARB in Example 1.
- ETERNACOLL etanacol
- UH-CARB UH-CARB
- Table 1 shows the evaluation of the physical properties of the obtained adhesive.
- Example 1 The same procedure as in Example 1 was repeated except that the materials shown in Table 1 were used instead of 70 parts by weight of etanacol (ETERNACOLL) 3010 and 30 parts by weight of UH-CARB 100 in Example 1. Was synthesized.
- ETERNACOLL etanacol
- Table 1 summarizes the compositions and physical properties of Examples 1 to 8 and Comparative Examples 1 to 5.
- Crystalline PEP0 Crystalline polyester polyol
- Aromatic PEP0 Aromatic polyester polyol
- PCLD Polyforce Prolata Tondiol
- PPG Polypropylene glycol
- ET3010 Etanacol (ETERNAC0LL) manufactured by Ube Industries, Ltd. (ETERNAC0LL) 3010 [trade name, HD-DDA polyester polyol: average molecular weight 3600, hydroxyl value 30.9, acid value 0.16, melting point 70.4 ° C, crystallization temperature 57. 3 ° C, crystallinity 49%]
- ET3015 Etanacol (ETERNAC0LL) manufactured by Ube Industries, Ltd. (ETERNAC0LL) 3015 [trade name, HD-DDA polyester polyol: average molecular weight 2500, hydroxyl value 45.0, acid value 0.08, melting point 70.8 ° C, crystallization temperature 54. 5 ° C, crystallinity 43%]
- ET3030 Etanacol manufactured by Ube Industries (ETERNAC0L 3030 [trade name, HD-AA based polyester polyol: average molecular weight 3800, hydroxyl value 29.0, acid value 0.20, melting point 57.3 ° C, crystallization temperature 40.4] ° C, crystallinity 43%]
- ET5010 Etanacol manufactured by Ube Industries (ETERNAC0L 5010 [brand name, EG / NPG-AA / PA polyester polyol: average molecular weight 1900, hydroxyl value 58.2, acid value 0.10, Tg-0.2 ° C]
- ET5011 Etanacol (ETERNAC0LL) manufactured by Ube Industries (ETERNAC0LL) 5011 [trade name, EG / NPG-AA / PA polyester polyol: average molecular weight 2600, hydroxyl value 43.8, acid value 0.10, Tg -0.5 ° C]
- DY7130 Hunas Dynacol (DYNAC0LL) 7130 [Product name, average molecular weight 3000, hydroxyl value 34.6, acid value 2, Tg23.6 ° C]
- UH-100 UH-Carb100 manufactured by Ube Industries [trade name, HD polycarbonate diol: average molecular weight 1000, hydroxyl value 112.1, acid value 0.02, melting point 45.9 ° C]
- PPG (2000) manufactured by Wako Pure Chemical Industries [polypropylene glycol diol type: average molecular weight 2000]
- NPG Neopentyl glycol
- the reactive hot melt composition of the present invention has excellent adhesiveness to an aluminum plate.
- Example 8 Using the reactive hot melt composition of Example 8, a battery molded product in which an aluminum battery case and a printed wiring board were inserted and integrated as described below was produced. 1.
- the reactive hot melt composition was charged into a gear pump type applicator and melted at 110 ° C.
- the applicator temperature settings are: tank 11 ° C, hose 110 ° C. C, Nozzle temperature was 11 ° C.
- the mold was opened, and an aluminum battery case and a printed circuit board were wired in advance and placed in the mold.
- the nozzle of the applicator was advanced to the injection channel of the mold and connected without any pressure.
- the reactive hot menoleto composition was injected under the following conditions. Processing temperature: 110 ° C, injection pressure 1.4MPa, injection time 5 seconds
- the molded product was held in the mold for 1 minute and cooled.
- the molded article was cured by atmospheric humidity at room temperature.
- This molded article did not contain any peeling or cracking.
- a polyol mixture which is a precursor of a reactive hot melt composition having excellent adhesion to a metal, particularly aluminum, and a reactive hot menoleto composition obtained from the mixture, and a molded article using this composition
- a polyol mixture which is a precursor of a reactive hot melt composition having excellent adhesion to a metal, particularly aluminum, and a reactive hot menoleto composition obtained from the mixture, and a molded article using this composition
- it can be used for electric 'electronic component parts, electric' electronic parts and semiconductor parts.
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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)
- Polyurethanes Or Polyureas (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Polyesters Or Polycarbonates (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/529,780 US20060025555A1 (en) | 2002-10-01 | 2003-10-01 | Polyol mixture and reactive hot melt composition obtained from the mixture, and molded article obtained with composition |
AU2003268720A AU2003268720A1 (en) | 2002-10-01 | 2003-10-01 | Polyol mixture, reactive hot-melt composition obtained from the mixture, and molded article obtained with the composition |
JP2004541262A JP4325556B2 (ja) | 2002-10-01 | 2003-10-01 | ポリオール混合物および該混合物より得られる反応性ホットメルト組成物ならびに該組成物を使用して得られる成形品 |
EP03748650A EP1550695A4 (en) | 2002-10-01 | 2003-10-01 | POLYOL MIXTURE, REACTIVE HOT MELT COMPOSITION, AND COMPOSITION FORM BODY OBTAINED FROM THE COMPOSITION |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002-288486 | 2002-10-01 | ||
JP2002288486 | 2002-10-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004031296A1 true WO2004031296A1 (ja) | 2004-04-15 |
Family
ID=32063676
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/012594 WO2004031296A1 (ja) | 2002-10-01 | 2003-10-01 | ポリオール混合物および該混合物より得られる反応性ホットメルト組成物ならびに該組成物を使用して得られる成形品 |
Country Status (8)
Country | Link |
---|---|
US (1) | US20060025555A1 (ja) |
EP (1) | EP1550695A4 (ja) |
JP (1) | JP4325556B2 (ja) |
KR (1) | KR20050070028A (ja) |
CN (1) | CN100338138C (ja) |
AU (1) | AU2003268720A1 (ja) |
TW (1) | TWI275623B (ja) |
WO (1) | WO2004031296A1 (ja) |
Cited By (22)
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JP2006273986A (ja) * | 2005-03-29 | 2006-10-12 | Aica Kogyo Co Ltd | 湿気硬化型反応性ホットメルト接着剤 |
WO2006115138A1 (ja) * | 2005-04-22 | 2006-11-02 | Asahi Glass Co., Ltd. | イソシアネート基末端ウレタンプレポリマーおよびその製造方法、並びに前記ウレタンプレポリマーを含む接着剤 |
WO2008026513A1 (fr) * | 2006-08-31 | 2008-03-06 | Ube Industries, Ltd. | Composition réactive thermofusible et article moulé l'utilisant |
JP2008163312A (ja) * | 2006-11-15 | 2008-07-17 | Bayer Materialscience Ag | コーティング組成物 |
JPWO2006090650A1 (ja) * | 2005-02-23 | 2008-07-24 | Jsr株式会社 | ウェハ加工方法 |
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JP2010533748A (ja) * | 2007-07-17 | 2010-10-28 | エボニック デグサ ゲーエムベーハー | 良好な接着力を有する湿分硬化型ホットメルト接着剤 |
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JP2018512472A (ja) * | 2015-03-02 | 2018-05-17 | エボニック デグサ ゲーエムベーハーEvonik Degussa GmbH | Vocおよびフォギング値の低い接着剤 |
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US7073352B2 (en) * | 2002-03-07 | 2006-07-11 | Vitro Global, S.A. | Method and a machine for the production of hollow glassware articles |
EP2098579B1 (de) * | 2008-02-27 | 2010-07-28 | Sika Technology AG | Kaschierklebstoff zur Entformung bei erhöhter Temperatur |
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IT1251489B (it) * | 1991-09-17 | 1995-05-15 | Enichem Sintesi | Policarbonati dioloterminati |
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- 2003-10-01 CN CNB200380100841XA patent/CN100338138C/zh not_active Expired - Fee Related
- 2003-10-01 US US10/529,780 patent/US20060025555A1/en not_active Abandoned
- 2003-10-01 WO PCT/JP2003/012594 patent/WO2004031296A1/ja active Application Filing
- 2003-10-01 TW TW092127141A patent/TWI275623B/zh active
- 2003-10-01 JP JP2004541262A patent/JP4325556B2/ja not_active Expired - Fee Related
- 2003-10-01 EP EP03748650A patent/EP1550695A4/en not_active Withdrawn
- 2003-10-01 AU AU2003268720A patent/AU2003268720A1/en not_active Abandoned
- 2003-10-01 KR KR1020057005648A patent/KR20050070028A/ko not_active Application Discontinuation
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Cited By (29)
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JPWO2006090650A1 (ja) * | 2005-02-23 | 2008-07-24 | Jsr株式会社 | ウェハ加工方法 |
JP2006273986A (ja) * | 2005-03-29 | 2006-10-12 | Aica Kogyo Co Ltd | 湿気硬化型反応性ホットメルト接着剤 |
US7906607B2 (en) | 2005-04-22 | 2011-03-15 | Asahi Glass Company, Limited | Isocyanate group-terminated urethane prepolymer, process for producing the same, and adhesive comprising the urethane prepolymer |
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Also Published As
Publication number | Publication date |
---|---|
TWI275623B (en) | 2007-03-11 |
AU2003268720A1 (en) | 2004-04-23 |
KR20050070028A (ko) | 2005-07-05 |
AU2003268720A8 (en) | 2004-04-23 |
TW200415222A (en) | 2004-08-16 |
EP1550695A1 (en) | 2005-07-06 |
JP4325556B2 (ja) | 2009-09-02 |
JPWO2004031296A1 (ja) | 2006-02-02 |
CN1703460A (zh) | 2005-11-30 |
CN100338138C (zh) | 2007-09-19 |
EP1550695A4 (en) | 2011-04-06 |
US20060025555A1 (en) | 2006-02-02 |
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