KR102009472B1 - Polyester Type Elastic Adhesive Resine Composition - Google Patents
Polyester Type Elastic Adhesive Resine Composition Download PDFInfo
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- KR102009472B1 KR102009472B1 KR1020150045381A KR20150045381A KR102009472B1 KR 102009472 B1 KR102009472 B1 KR 102009472B1 KR 1020150045381 A KR1020150045381 A KR 1020150045381A KR 20150045381 A KR20150045381 A KR 20150045381A KR 102009472 B1 KR102009472 B1 KR 102009472B1
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- anhydride
- polyester
- elastic adhesive
- adhesive resin
- resin composition
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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
- C09J167/00—Adhesives based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Adhesives based on derivatives of such polymers
- C09J167/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- 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
- C09J2400/00—Presence of inorganic and organic materials
- C09J2400/20—Presence of organic materials
-
- 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
- C09J2467/00—Presence of polyester
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Polyesters Or Polycarbonates (AREA)
Abstract
In the present invention, the polyester-based elastic adhesive resin composition esterifies a diol (Diol) and a dicarboxylic acid (Dicarbonic acid) as a hard segment raw material and polycondenses the polyol (Polyol) as a raw material of a soft segment to the reactants, Diol may consist of 1,4-butanediol (1,4-BD) or a mixture of 1,4-butanediol (1,4-BD) and 2-methyl 1,3-propanediol (MPO) The dicarbonic acid may be composed of dimethyl terephthalate (DMT) or a mixture of dimethyl terephthalate (DMT) and anhydride resin, and the polyol is poly (tetramethylene ether). A polyester-based elastic adhesive resin composition which may be composed of any one of glycol (PTMG), polyethylene glycol (PEG) or polypropylene glycol (PPG). The invention relates to.
Description
The present invention relates to a low-temperature fusion polyester-based elastic adhesive resin composition, and more particularly, dicarbonic acid and diol (polyol) and hard segment (soft segment) in a soft segment ( The present invention relates to a polyester-based elastomeric resin composition which is excellent in low melting point elasticity produced by copolymerizing diol) and is recyclable.
Polyester-based elastic adhesive resin produced by the polymerization reaction of terephthalic acid (TPA) and ethylene glycol (EG) or dimethyl terephthalate (DMT) and EG is made of polyester fiber, polyester film and container It is used as a raw material for manufacturing PET resins and engineering plastics, and is mainly produced in the form of chips.
In addition, unlike the rubber material that can not be recycled polyester-based elastic adhesive resin, the demand is greatly increased because it is easy to recycle.
Polyester-based elastic adhesive resins, also called thermoplastic elastomers (TPE), are composed of polymers having two different properties, namely, the elastic properties of elastomers, which are thermoplastic and rubbery polymers that can be reformed upon heating. The type of polyester-based elastic adhesive resin is a kind of block copolymer, and is generally composed of a hard segment block that can exhibit thermoplastic characteristics and a soft segment block that can exhibit elastic properties of an elastomer, thereby simultaneously exhibiting two different properties.
In general, polyether ester copolymers having a polybutylene terephthalate-based polyester as a hard segment and a polybutylene ether ester as a soft segment have been known to exhibit excellent elastic properties. Is also used as a soft segment.
US 3,023,192 discloses hard segment / soft segment copolyesters and elastomers prepared therefrom. Hard segment / soft segment copolyesters are prepared from dihydroxy compounds selected from (1) dicarboxylic acid or ester forming derivatives, (2) polyethylene glycol ethers, and (3) bisphenols and lower aliphatic glycols. Polyethers used as soft segments with polyethylene glycol include polypropylene glycol, polytetramethylene glycol, polyhexamethylene glycol, and the like, and polyethers having a molecular weight of about 350 to 6,000 are used.
U.S. Patent No. 4,937,314 discloses thermoplastic polyether ester elastomers comprising at least 70 parts by weight of soft segments derived from poly (alkylene oxide) glycol and terephthalic acid. The hard segment comprises 10 to 30 parts by weight of the elastomer, of which the poly (1,3-propylene terephthalate) is 95 to 100 parts by weight. The molecular weight of the poly (alkylene oxide) glycols is from about 1,500 to about 5,000, and the carbon to oxygen ratio is shown to be 2 to 4.3.
Thermoplastic elastomers based on those exemplified in the prior art are soft segments mainly of polytetramethylene glycol ethers, copolymers of tetrahydrofuran and 3-alkyltetrahydrofuran, polyethylene glycol ethers, polytrimethylene glycol ethers and copolymers thereof Use The melting point and physical properties of these copolymers are determined by the molecular weight and composition ratio of the polyalkylene glycol ethers used as soft segments. When a high molecular weight polyalkylene glycol ether is used to express tough physical and elastic properties, it cannot be applied to a process requiring a low melting point manufacturing process because of its high melting point. In addition, in the case of forming the polyethylene glycol ether into the soft segment, the thermal stability is drastically deteriorated when the content of the soft segment is added 20% by weight or more.
Therefore, the low melting point and excellent thermal stability led to the development of polyester-based elastic adhesive resin composition.
In order to solve the above problems, an object of the present invention is to provide an effect of lowering the melting point by adding an anhydride resin as a comonomer in addition to the hard segment dimethyl terephthalate (DMT).
Another object of the present invention is to provide an effect of lowering the hardness, that is, improved elasticity by adding 2-methyl 1,3-propanediol (MPO) to the diol (diol) used as a hard segment.
In order to achieve the above object, the present invention is a polyester-based elastic adhesive resin composition is a diol (Diol) and dicarboxylic acid (Dicarbonic acid) which is a hard segment raw material esterification reaction and the polyol as a raw material of the soft segment ( Polyol), wherein the diol is 1,4-butanediol (1,4-BD) or 1,4-butanediol (1,4-BD) and 2-methyl 1,3-propanediol ( MPO), the dicarboxylic acid (Dicarbonic acid) may be composed of dimethyl terephthalate (DMT) or dimethyl terephthalate (DMT) and anhydride resin mixture, the polyol ( Polyol) provides a polyester-based elastic adhesive resin composition which may be composed of any one of poly (tetramethylene ether) glycol (PTMG), polyethylene glycol (PEG), and polypropylene glycol (PPG).
In addition, the present invention, the anhydride (anhydride) resin is methyl tetrahydrophthalic anhydride (MeTHPA), methyl hexahydrophthalic anhydride (MeHHPA), terahydrophthalic anhydride (THPA) and hexahydride It provides a polyester-based elastic adhesive resin composition characterized in that any one or more of loftal anhydride (HHPA).
In addition, the present invention, the anhydride (anhydride) resin in the Diels-Alder reaction of conjugated diene (maleic anhydride) and conjugated diene having two double bonds It provides a polyester-based elastic adhesive resin composition characterized in that it comprises a product by.
In the present invention, the catalyst used in the esterification reaction is zinc acetate, sodium acetate, magnesium acetate, tetranomalbutoxy titanate, tetraisopropyl titanate, titanium oxide / silicon oxide micropolymer, and nano titanate. At least one selected from the group consisting of, and provides a polyester-based elastic adhesive resin composition characterized in that it is used in the range of 15000 ppm relative to the polyester-based elastic adhesive resin.
In the present invention, the polymerization catalyst used in the condensation polymerization step is selected from the group consisting of antimony trioxide, antimony acetate, tetranormal butoxy titanate, tetraisopropyl titanate, titanium oxide / silica oxide micropolymer, and nano titanate. It provides at least one selected, characterized in that the polyester-based elastic adhesive resin composition characterized in that it is used in the range of 15000 ppm relative to the polyester-based elastic adhesive resin.
In another aspect, the present invention provides a polyester-based elastic adhesive resin composition characterized in that 1 to 70% by weight of the polyol, 30 to 99% by weight of diol (Diol) and dicarboxylic acid (Dicarbonic acid).
In addition, the present invention is a polyester-based elastic, characterized in that the molar ratio of the 1,4-butanediol (1,4-BD) and 2-methyl 1,3-propanediol (MPO) mixture is 99 ~ 1 to 1 ~ 99 It provides an adhesive resin composition.
In another aspect, the present invention provides a polyester-based elastic adhesive resin composition characterized in that the molar ratio of the dimethyl terephthalate (DMT) and anhydride (anhydride) resin mixture is 40 ~ 99 to 60 ~ 1.
In addition, the present invention is characterized in that the anhydride resin has a molar ratio of methyl terahydrophthalic anhydride (MeTHPA) and methyl hexahydrophthalic anhydride (MeHHPA) is 4-6 to 6-4. It provides a polyester-based elastic adhesive resin composition.
In another aspect, the present invention provides a film (Film) and Web (Web) using the polyester-based elastic adhesive resin composition.
The present invention is a polyester having low melting point by adding methyl tetrahydrophthalic anhydride (MeTHPA) or methyl hexahydrophthalic anhydride (MeHHPA) in addition to dimethyl terephthalate (DMT) to dicarbonic acid. Produces the elastic adhesive resin composition has excellent effect of reducing the raw material and adhesive strength with the polyester-based substrate.
In addition, the present invention produces a polyester-based elastic adhesive resin composition having a low melting point and hardness, including 2-methyl 1,3-propanediol (MPO) in Diol to reduce the raw material and adhesive strength with the polyester-based substrate Has an excellent effect.
In addition, the material of the present invention has the characteristics of eco-friendly material that the emission standard of volatile organic compounds (VOCs) can be used as a vehicle interior material.
As used herein, the terms "about", "substantially", and the like, are used at, or in close proximity to, numerical values as are indicative of the manufacturing and material tolerances inherent in the meanings mentioned, Absolute figures are used to prevent unfair use by unscrupulous infringers.
The present invention relates to a thermoplastic polyester-based elastic adhesive resin composition is commercially produced in two steps. Diol, which is a hard segment raw material, dicarbonic acid, and a polyol, which is a soft segment raw material, are esterified and completed by condensation polymerization of the reactants.
In this case, it can be prepared by two methods, the ester exchange method (DMT method) by the reaction of dimethyl terephthalate (DMT) and ethylene glycol (EG) or the direct esterification method (TPA method) by the reaction of terephthalic acid and ethylene glycol (EG) There is a method of increasing the length of the molecular chain by synthesizing low molecular weight condensates of bis-hydroxyethyl terephthalate (BHET)) and BHET) and melting and condensation polymerization while removing ethylene glycol (EG).
The present invention follows the transesterification method (DMT method) by the reaction between dimethyl terephthalate (DMT) and diol (Diol), and can also be produced by direct esterification method (TPA method) using terephthalic acid (TPA) instead of dimethyl terephthalate. .
The diol may be composed of 1,4-butanediol (1,4-BD) or a mixture of 1,4-butanediol (1,4-BD) and 2-methyl 1,3-propanediol (MPO). There is,
The dicarbonic acid may be composed of dimethyl terephthalate (DMT) or a mixture of dimethyl terephthalate (DMT) and anhydride resin.
The anhydride resin may also be methyl tetrahydrophthalic anhydride (MeTHPA), methyl hexahydrophthalic anhydride (MeHHPA), terahydrophthalic anhydride (THPA) and hexahydrophthalic anhydride. May be composed of a mixture to which at least one of hydrides (HHPA) is added,
The polyol may be composed of any one of poly (tetramethylene ether) glycol (PTMG), polyethylene glycol (PEG) or polypropylene glycol (PPG).
In addition, an anhydride resin of the dicarbonic acid may be used directly as a starting material of an esterification reaction, but a conjugated diene and a maleic hydride having two double bonds may be used. Products via the Diels-Alder reaction of maleic anhydride can also be used.
When the esterification reaction is first described for the method for producing a thermoplastic polyester-based elastic adhesive resin composition of the present invention, the low molecular weight diol component and dimethyl of butylene glycol of 1,4-butanediol (1,4-BD) to form a hard segment It is esterified with terephthalate (DMT).
The reaction capacity is a mole fraction of dicarbonic acid and diol at a ratio of 1 to 1.0 to 1.8, and the excessively added diol component is recovered through decompression during the polycondensation reaction. Dicarbonic acid and Diol have a value of 30 to 99% by weight in the total elastic adhesive resin composition.
In addition, the mixture of 1,4-butanediol (1,4-BD) and 2-methyl 1,3-propanediol (MPO)
70-95 mol% of 1,4-butanediol (1,4-BD) and 5-30 mol% of 2-methyl 1,3-propanediol (MPO) can be used. In this case, when a certain amount of 2-methyl 1,3-propanediol (MPO) is added, a tendency of hardness decrease of the polyester-based elastic adhesive resin is generated, thereby increasing the property of restoring to its original state.
In addition, the dimethyl terephthalate (DMT) and anhydride (anhydride) resin mixture may be composed of 40 to 99 mol% of dimethyl terephthalate (DMT) and 1 to 60 mol% of anhydride resin. .
In addition, the anhydride (anhydride) resin may be composed of a molar ratio of methyl terahydrophthalic anhydride (MeTHPA) and methyl hexahydrophthalic anhydride (MeHHPA) of 0.5 ~ 9.5 to 9.5 ~ 0.5.
Conventionally, in order to control the melting point of polyester-based elastic adhesive resins without using only dimethyl terephthalate (DMT), aromatic or aliphatic ticarboxylic acids such as isophthalic acid, adipic acid and succinic acid were used as a copolymerization raw material.
In the present invention, an anhydride resin, methyl tetrahydrophthalic anhydride (MeTHPA), methyl hexahydrophthalic anhydride (MeHHPA), terahydrophthalic anhydride (THPA) and hexahydrophthalic When one or more of an hydride (HHPA) is used in addition to terephthalate (DMT), the melting point required in the molding process of the final product can be easily maintained while maintaining the elastic and physical properties, which are important characteristics of the present invention. It has the advantage of being adjustable.
Substantially, a small amount of methyl tetrahydrophthalic anhydride (MeTHPA) is added to cause the melting point to be lowered, resulting in a drop of about 4 per mole, and methyl tetrahydrophthalic anhydride (MeTHPA) and methyl hexa. When the hydrophthalic anhydride (MeHHPA) is used in a molar ratio of 4-6 to 6-4, the lowering of the patent melting point occurs more.
For example, compared to the case of using only anhydride (MeTHPA) alone, when used in combination, the effect of reducing the melting point of about 5 per mole of the mixture is more significant.
The catalyst used in the esterification reaction is selected from the group consisting of zinc acetate, sodium acetate, magnesium acetate, tetranomalbutoxytitanate, tetraisopropyl titanate, titanium oxide / silicon oxide micropolymer, and nano titanate It is one or more, and is used in the range of 15000 ppm with respect to 100 parts by weight of polyester-based elastic adhesive resin, if the input amount of the catalyst is insufficient, the esterification reaction slows down, and if excessive, the thermal stability of the polyester-based elastic adhesive resin worsens .
After the esterification reaction, condensation polymerization is carried out.
The oligomer solution obtained by the above esterification reaction and a soft segment of polyol (Polyol) were introduced into a pressure resistant, vacuum resistant, heat resistant reactor with a polycondensation catalyst, a thermal stabilizer and a photooxidation stabilizer, and then a pressure of 760 to 1000 Torr and 200 After distilling excess diol (Doil) at a temperature of ˜270, the condensation polymerization is completed under high vacuum of 1mmHg or less of the final vacuum degree to obtain a polyester-based elastomeric resin of the present invention.
The polyol may be selected from poly (tetramethylene ether) glycol (PTMG), polyethylene glycol (PEG) or polypropylene glycol (PPG), and the content is 1 to 70 compared to the total polyester elastic adhesive resin. Weight percent can be used.
In addition, the polymerization catalyst used in the condensation polymerization step is one selected from the group consisting of antimony trioxide, antimony acetate, tetranormal butoxy titanate, tetraisopropyl titanate, titanium oxide / silica oxide micropolymer, and nano titanate. Above, it can be used in the range of 15000 ppm with respect to 100 parts by weight of the polyester-based elastic adhesive resin.
In addition, the film (Film) and the web (Web) using the polyester-based elastic adhesive resin composition can be prepared. The polyester-based elastic adhesive resin composition of the present invention has a low melting point properties and can be compressed in several layers to form a nonwoven fabric of a film or web structure.
Features and other advantages of the present disclosure as described above will become more apparent from the following examples, which are set forth for illustrative purposes only and should not be construed as limiting or limiting the scope of the invention. .
Example One
10.6 kg dimethyl terephthalate (DMT), 1 kg methyl tetrahydrophthalic anhydride (MeTHPA), 5.7 kg 1,4-butanediol, poly (tetramethylene ether) glycol with molecular weight 1000 (PTMG) 12.6 kg, after adding 9 g of tetranormal butoxy titanate,
Heat stir to initial 130 to confirm that dimethyl terephthalate (DMT) is melted and uniformly mixed with the low molecular diol component.
After confirming that dimethyl terephthalate (DMT) is melted and dissolved, it is gradually heated to be heated and stirred so that the internal temperature of the reactor becomes 205, followed by reaction for 4 hours, and methanol generated as a byproduct is distilled out of the reactor to proceed with esterification reaction. do.
After the completion of the esterification reaction, the oligomer solution was added to a vacuum depressurized, agitated heat resistant, 100 liter reactor, and then 130 g of thermal stabilizer (Irganox 1010), 130 g of light stabilizer (Tinuvin 770DF), and polycondensation catalyst tetranormal butoxytita 30 g of nate are added.
In the initial stage of the polycondensation reaction, decompression and heating were carried out gradually to complete the polycondensation polymerization under a high vacuum having a final temperature of 250 and a final vacuum of 1 mmHg or less to prepare a polyester-based elastic adhesive resin. The physical properties of the elastic adhesive resin obtained at this time are measured. The measurement results are shown in Table 1 below.
Example 2-10 and Comparative example 1 ~ 2
Methyl tetrahydrophthalic anhydride (MeTHPA), methyl hexahydrophthalic anhydride (MeHHPA), terahydrophthalic anhydride (THPA), hexahydric used as dicarboxylic acid components as described in Table 1. 1,4-butanediol (1,4-BD) and 2-methyl 1,3-propanediol (MPO) used as input ratios of loftal anhydride (HHPA) and dimethyl isophthalate (DMI) and as a diol component The same procedure as in Example 1 is repeated except for changing the input ratio of) and the type of polyol used as the soft segment.
Intrinsic viscosity measuring method: ASTM 460386
Shore D: ASTM D2240
Tensile Strength, Tensile Elongation: ASTM D638
Cold Resistance: ISO 5402: 2002
Adhesive force: In order to evaluate the adhesive force of each polymer (Polymer) of the Examples and Comparative Examples, the analysis is compared with reference to the NIKE shoe adhesive film (Film) analysis method. The polymer to be analyzed is manufactured into a film having a thickness of 200 to 250 m by using a hot press. The adhesive film (Film) is placed between the standard fabric (using polyester fabric fabric) and thermo-compressed for 30 seconds at a pressure of 3kgf / cm 2 and a temperature of 150 in a hot press. The heat-bonded sample was cut to a width of 1 inch and the tensile strength was measured according to the measuring method of ASTM D882 (Tensile Testing of Thin Plastic Sheet) to evaluate the adhesive force.
Molecular Weight
600
1000
1000
(wt%)
Dicarboxylic acid
(mole%)
(mole%)
Polymer properties
none
none
none
none
none
none
none
none
none
none
none
As can be seen from the results of Table 1 above, in the examples, various types of methyl tetra by Diels-Alder reaction of conjugated diene and maleic anhydride having two bonds When the hydrophthalic anhydride (MeTHPA, THPA) resin is used as the carboxylic acid component or dicarboxylic acid is used from the beginning, it can be seen that the melting point of the elastic adhesive resin is lowered. In particular, when using MeTHPA and MeHHPA together with DMT as in Example 5, the melting point is 8.3, 7.4 lower than when only MeTHPA was added to DMT (Example 1) or only MeHHPA was added to DMT (Example 2). Can be.
In addition, it can be seen that Example 6 using PEG instead of PTMG as polyol is 115.1 lower than Example 5.
In addition, in Examples 8 to 10, when only DMT was used as dicarboxylic acid and instead diol was used in combination with 1,4-BD and MPO, the melting point was increased by increasing the MPO content from 15% mol to 25% mol. It can be seen that it is lowered from 137.5 to 112.9.
On the other hand, Comparative Example 1 has a melting point of 135.6 when dimethyl isophthalate (DMI) is added to DMT, which is higher than other examples, and dimethyl isophthalate (DMI) itself is an expensive material, which is disadvantageous in terms of cost. .
As a result of hardness, hardness degradation occurs in Examples 7 to 10 with MPO added. When hardness decreases, elasticity or resilience is improved, and elasticity is improved in a broad sense. In particular, in Example 10, the hardness is the most effective at 21 values.
Accordingly, it can be seen from Examples 1 to 10 of the polyester-based elastic adhesive resin composition of the present invention that the elastic force is increased when MPO is added, and the adhesive force by lowering the melting point is increased when MeTHPA is added.
Finally, the result of cold resistance is that Comparative Example 1 is cracking and Comparative Example 2 is using the ethylene vinyl acetate (EVA) rather than the polyester-based resin, melting point 98, hardness 25 is excellent in the same effect as other examples, but the adhesive force At 4.5 (kgf / in.) It can be seen that the difference from the embodiment of 6 to 8 (kgf / in.) Value.
2
(JAMA)
(General welfare)
(tuv)
Benzene
Table 2 is a result of evaluating the volatile organic compounds (VOCs) environmental evaluation results of the polyester-based elastic adhesive resin composition of the present invention by comparing the automotive VOC standards of each country.
As a result, the average value of the examples of the present invention was 34.1 ppm in Toluene value, which is superior to that of 292.6 ppm in Comparative Example 2. Although the automotive VOC standard satisfies Comparative Example 2 in the standards of 1000 and 1100 ppm in Korea and China, Comparative Example 2 exceeds the criteria in the standards of 260 and 200 ppm in Japan and Germany, and the examples satisfy the criteria.
Automobiles are exported worldwide, meaning the composition of the present invention to satisfy foreign standards.
The present invention described above is not limited to the above-described embodiment and the accompanying drawings, and various substitutions, modifications, and changes are possible within the scope without departing from the technical spirit of the present invention. It will be evident to those who have knowledge of.
Claims (10)
Diol and dicarbonic acid as hard segments, and polyol as soft segments.
The diol is 1,4-butanediol (1,4-BD) or,
1,4-butanediol (1,4-BD) and 2-methyl 1,3-propanediol (MPO) mixture,
The dicarbonic acid is dimethyl terephthalate (DMT) or,
Dimethyl terephthalate (DMT) and anhydride resin mixture,
The molar ratio of the dimethyl terephthalate (DMT) and anhydride resin mixture is 40 to 99 to 60 to 1,
The anhydride resin has a molar ratio of methyl terahydrophthalic anhydride (MeTHPA) and methyl hexahydrophthalic anhydride (MeHHPA) of 4-6 to 6-4,
The polyol (Polyol) is a polyester-based elastic adhesive resin composition which may be composed of any one of poly (tetramethylene ether) glycol (PTMG), polyethylene glycol (PEG) and polypropylene glycol (PPG).
The anhydride resin is methyl tetrahydrophthalic anhydride (MeTHPA), methyl hexahydrophthalic anhydride (MeHHPA), terahydrophthalic anhydride (THPA) and hexahydrophthalic anhydride Polyester-based elastic adhesive resin composition characterized in that any one or more of the ride (HHPA).
The anhydride resin includes a product by a Diels-Alder reaction of a conjugated diene having two double bonds and a maleic anhydride. Polyester-based elastic adhesive resin composition characterized in that.
Polyester-based elastic adhesive resin composition characterized in that 1 to 70% by weight of the polyol, 30 to 99% by weight of diol (Diol) and dicarboxylic acid (Dicarbonic acid).
The molar ratio of the 1,4-butanediol (1,4-BD) and 2-methyl 1,3-propanediol (MPO) mixture is
A polyester-based elastic adhesive resin composition characterized by being 1 to 99 to 99 to 1.
A workpiece using a polyester-based elastic adhesive resin composition.
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