WO2017065072A1 - 粘着付与剤 - Google Patents
粘着付与剤 Download PDFInfo
- Publication number
- WO2017065072A1 WO2017065072A1 PCT/JP2016/079646 JP2016079646W WO2017065072A1 WO 2017065072 A1 WO2017065072 A1 WO 2017065072A1 JP 2016079646 W JP2016079646 W JP 2016079646W WO 2017065072 A1 WO2017065072 A1 WO 2017065072A1
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- WIPO (PCT)
- Prior art keywords
- rosin
- acid
- tackifier
- mass
- meth
- Prior art date
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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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
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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
- C09J193/00—Adhesives based on natural resins; Adhesives based on derivatives thereof
- C09J193/04—Rosin
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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
- C08L101/00—Compositions of unspecified macromolecular compounds
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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
- C09J201/00—Adhesives based on unspecified macromolecular compounds
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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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
- C09J7/381—Pressure-sensitive adhesives [PSA] based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/385—Acrylic polymers
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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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/302—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being pressure-sensitive, i.e. tacky at temperatures inferior to 30°C
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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
- C09J2433/00—Presence of (meth)acrylic polymer
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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
- C09J2467/00—Presence of polyester
- C09J2467/006—Presence of polyester in the substrate
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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
- C09J2493/00—Presence of natural resin
Definitions
- the present invention relates to a tackifier which is a reaction product of rosin containing a specific rosin acid and alcohol.
- a tackifier is blended in most of the pressure-sensitive adhesives made from acrylic copolymers, and the pressure-sensitive adhesive performance is adjusted.
- the pressure-sensitive adhesive layer is softened due to a rise in ambient temperature and the pressure-sensitive adhesive performance is lowered.
- Patent Document 1 a tackifier using a rosin acid having a tricyclic skeleton structure has been developed (Patent Document 1), such a tackifier has high dispersibility and high uniformity. On the other hand, it was still difficult to satisfy a wide range of adhesive properties including adhesiveness (heat-resistant holding power) at high temperatures.
- An object of the present invention is to provide a tackifier that exhibits an effect superior in adhesiveness (heat-resistant holding power) and rough surface adhesion at a high temperature as compared with conventional tackifiers.
- the present invention is a tackifier that is a reaction product of rosin (A) and alcohol (B), and the rosin (A) includes rosin acid (a) having a bicyclic skeleton structure. It is a tackifier.
- the tackifier of the present invention exhibits an effect that is superior in adhesiveness (heat-resistant holding force) and rough surface adhesiveness at high temperatures than a tackifier using a rosin acid having a tricyclic skeleton structure. Moreover, the tackifier of this invention has the characteristic that it is highly viscous in the low temperature area
- FIG. 1 is a graph showing the temperature dependence of the viscosity of the tackifier of Example 1 and Comparative Example 1.
- the tackifier of the present invention can be used as a component for imparting heat resistance and rough surface adhesion to an organic pressure-sensitive adhesive or a water-based pressure-sensitive adhesive.
- the tackifier of the present invention is a reaction product of rosin (A) and alcohol (B), and the rosin (A) contains rosin acid (a) having a bicyclic skeleton structure.
- rosin (A) is used for the production of the tackifier of the present invention.
- rosin (A) includes not only rosin that can be obtained from natural wood but also rosin (rosin derivative) modified by heat treatment or the like.
- the rosin (A) of the present invention contains rosin acid (a) having a bicyclic skeleton structure. Rosin acid is an organic acid contained in some rosins among various rosins.
- the rosin acid (a) having a bicyclic skeleton structure is preferably a rosin acid having a labtan skeleton structure.
- rosin acid is generally classified into four basic skeleton groups: abietic acid, pimaran, isopimaran, and labtan.
- rosin acid having a labtan skeleton structure preferred are combic acid, anticopalic acid, lambertian acid, mercycic acid, acetylic soxpressic acid, acetylenic catalonic acid, and inbricatalonic acid. Acid, mercylic acid, and isobricatalic acid are more preferable.
- the rosin acid (a) having a bicyclic skeleton structure is preferably contained in the rosin (A) in an amount of 0.1 to 15 parts by mass, and more preferably 1 to 15 parts by mass. If it is 0.1 mass part or more, the viscosity of the obtained tackifier will become high, and if it is 15 mass parts or less, cost will not become high too much and it is preferable. If it is 1 to 15 parts by mass, the cost-effective balance is good.
- Rosin (A) can contain rosin acid having a tricyclic skeleton structure and other components in addition to rosin acid (a) having a bicyclic skeleton structure.
- conjugated acids such as abietic acid, pastric acid, neoabietic acid
- pimaric acids such as sandaracopimaric acid, pimaric acid and isopimaric acid
- nonconjugated acids such as dehydroabietic acid
- the rosin acid having these tricyclic skeleton structures is preferably 95% by mass or less, more preferably 90% by mass or less. Although there is no lower limit in particular, it is 85 mass% or more, for example.
- the amount of rosin acid having a tricyclic skeleton structure is too large, the amount of rosin acid (a) having a bicyclic skeleton structure is relatively reduced, and the effect expression is lowered.
- the rosin (A) used in the present invention is not particularly limited as long as it contains rosin acid (a) having a bicyclic skeleton structure. Wood rosin, tall oil rosin, gum rosin and the like can be used. These may be used without purification, but are preferably used after purification.
- the tackifier of the present invention can be obtained by reacting rosin (A) containing rosin acid (a) with alcohol (B).
- the rosin acid (a) having a bicyclic skeleton structure contained in the rosin (A) reacts with the alcohol (B) to esterify part or all of the carboxyl groups of the rosin acid (a).
- the alcohol (B) to be used is not particularly limited as long as the esterification reaction can be performed with the rosin acid (a) in the rosin (A).
- the component (B) used in the production of the polymerized rosin ester is not particularly limited as long as it is a compound having a hydroxyl group, and known compounds can be used.
- monohydric alcohols such as methanol, ethanol, propanol, isopropanol, butanol, isobutanol, t-butyl alcohol, pentanol, hexanol, cyclohexanol, octanol, 2-ethylhexanol, decyl alcohol, lauryl alcohol, ethylene Divalent alcohols such as glycol, diethylene glycol, polyethylene glycol, propylene glycol, polypropylene glycol, neopentyl glycol and cyclohexanedimethanol, trivalent alcohols such as glycerin, trimethylolethane and trimethylolpropane, and tetravalents such as pentaerythritol and diglycerin Examples include alcohols and pentavalent or higher alcohols such as dipentaerythritol.
- polyols having a plurality of hydroxyl groups in one molecule are preferable, and polyols having 2 to 4 hydroxyl groups in one molecule are more preferable.
- diethylene glycol, triethylene glycol, glycerin, pentaerythritol, dipentaerythritol, and trimethylol are preferred.
- Propane may be mentioned, and diethylene glycol and triethylene glycol are preferable.
- These polyols can be used in combination of two or more.
- rosin (A) is dissolved at 150 ° C. to 350 ° C. and reacted in the presence of an esterification catalyst. If the temperature is too low, rosin is not sufficiently dissolved. If it is too high, the alcohol (B) may be scattered.
- a polyol is used as the alcohol, preferably, a monoester is first prepared in the range of 150 ° C. to 250 ° C., and then the temperature is increased in the range of 250 ° C. to 300 ° C. to prepare a diester.
- the reaction time is 0.5 to 10 hours, but when the reaction is carried out in two stages, the reaction is carried out for 3 to 5 hours, respectively.
- the molecular weight of the esterified rosin obtained by the reaction is 400 to 800, preferably 500 to 700 as the number average molecular weight.
- the viscosity of the tackifier of the present invention is preferably 100,000 to 1,000,000 mPa ⁇ s at 40 ° C., more preferably 200,000 mPa ⁇ s to 800,000 mPa ⁇ s at 40 ° C.
- This viscosity level is higher at the same temperature than the rosin acid having a tricyclic skeleton structure which has been conventionally used.
- This viscosity level is considered to exhibit an effect of excellent adhesiveness (heat-resistant holding force) and rough surface adhesiveness at high temperatures.
- the tackifier of the present invention can be mixed with a base polymer, a solvent, and a crosslinking agent at an appropriate ratio to produce an organic pressure-sensitive adhesive. Moreover, the tackifier of this invention can also manufacture an aqueous adhesive by mixing appropriately with a base polymer, water, and a thickener.
- an acrylic resin is used as the base polymer.
- the various well-known homopolymer or copolymer currently used as an adhesive agent can be used as it is.
- monomers used for acrylic resins various (meth) acrylic acid esters (note that (meth) acrylic acid esters refer to acrylic acid esters and / or methacrylic acid esters, and the same as (meth) below) Meaning).
- (meth) acrylate esters include, for example, methyl (meth) acrylate, ethyl (meth) acrylate, butyl (meth) acrylate, 2-ethylhexyl (meth) acrylate, and the like. Can be used alone or in combination. Further, in order to impart polarity to the resulting acrylic resin, a small amount of (meth) acrylic acid can be used instead of a part of the (meth) acrylic acid ester. Further, glycidyl (meth) acrylate, 2-hydroxyethyl (meth) acrylate, N-methylol (meth) acrylamide and the like can be used in combination as crosslinkable monomers. Furthermore, if desired, other copolymerizable monomers such as vinyl acetate and styrene may be used in combination as long as the adhesive properties of the (meth) acrylic acid ester polymer are not impaired.
- polar solvents such as ethyl acetate and toluene are generally used as the solvent.
- the cohesive force and heat resistance can be further improved by adding a crosslinking agent such as a polyisocyanate compound, a polyamine compound, a melamine resin, a urea resin, and an epoxy resin.
- a crosslinking agent such as a polyisocyanate compound, a polyamine compound, a melamine resin, a urea resin, and an epoxy resin.
- the base polymer can include, for example, an acrylic emulsion.
- acrylic polymer emulsion those generally used for various acrylic pressure-sensitive adhesives can be used.
- a method in which (meth) acrylic ester is charged in a batch and polymerized, a monomer sequential addition polymerization method, an emulsion monomer sequential addition polymerization method It can be easily produced by a known emulsion polymerization method such as a seed polymerization method.
- Examples of the (meth) acrylic acid ester used for preparing the acrylic emulsion include, for example, methyl (meth) acrylate, ethyl (meth) acrylate, butyl (meth) acrylate, and 2-ethylhexyl (meth) acrylate. , Glycidyl (meth) acrylate, 2-hydroxyethyl (meth) acrylate, etc., and these may be used alone or in admixture of two or more. Further, in order to impart storage stability to the obtained emulsion, a small amount of (meth) acrylic acid may be used instead of the (meth) acrylic acid ester.
- a copolymerizable monomer such as vinyl acetate or styrene can be used in combination as long as the adhesive properties of the (meth) acrylic acid ester polymer are not impaired.
- the glass transition temperature of these (meth) acrylic acid ester-based polymers is usually about ⁇ 70 to 0 ° C., preferably ⁇ 60 to ⁇ 10 ° C. When the temperature exceeds 0 ° C., tack is remarkably lowered, which is not preferable.
- an anionic emulsifier, partially saponified polyvinyl alcohol or the like can be used, and the amount used is about 0.1 to 5 parts by mass, preferably 0.5 to 3 parts by mass.
- rosin (A) may also be emulsified.
- examples of the method for emulsifying the rosin (A) include inversion emulsification or machine emulsification using a high-pressure homogenizer.
- thickener examples include primal ASE-60 (manufactured by Rohm and Haas Japan), which is an acrylic thickener, and urethane thickeners can also be used.
- the above-mentioned pressure-sensitive adhesive can be applied to a substrate such as thin paper or a sheet of other material to form a pressure-sensitive adhesive tape.
- Data processor Part number GPC-101 (Showa Denko) Differential refractive index detector: RI detector built in part number GPC-101 Column: Part numbers KF-803, KF-802, KF-801 x 2 (manufactured by Showa Denko) Mobile phase: tetrahydrofuran column flow rate: 1.0 mL / min Sample concentration: 5.0 g / L Injection volume: 100 ⁇ L Measurement temperature: 40 ° C Molecular weight marker: Standard polystyrene (SHODEX STANDARD. Standard substance manufactured by Showa Denko KK)
- HLC-8220GPC Part number HLC-8220GPC (manufactured by Tosoh Corporation)
- Differential refractive index detector RI detector column built in part number HLC-8220GPC: Part number TSKgel SuperHZM-H (manufactured by Tosoh Corporation) 2 mobile phases: tetrahydrofuran column Flow rate: 0.35 mL / min Sample concentration: 1.0 g / L Injection volume: 10 ⁇ L Measurement temperature: 40 ° C
- Molecular weight marker Standard polystyrene (standard material manufactured by POLYMER LABORATORIES LTD.) (Used by POLYSTYRENE-MEDIAUM MULTICULAR WEIGHT CALIBRATION KIT)
- ⁇ Viscosity measurement> Using a rotational viscometer manufactured by Toyo Seiki Co., Ltd., a sample was collected in a container for a small amount of applicator (small amount sample adapter), and temperature viscosity measurement was performed at 40 ° C. to 120 ° C. under the following conditions. Sample collection fee: 10ml Measuring viscometer: TVB-22L (spindle type, manufactured by Toyo Seiki) Rotor: TM1 (Rotor for small sample, manufactured by Toyo Seiki) Temperature controller: VTB-250 (Block type thermostatic bath, manufactured by Toyo Seiki) Temperature condition: 40 degrees to 120 degrees Viscosity is measured every time the temperature is raised by 10 degrees.
- a Brazilian rosin containing a rosin acid having a bicyclic skeleton structure was charged into a flask equipped with a stirrer, a water separator, a cooling tube and a thermometer, dissolved under heating in a nitrogen atmosphere, and stirring was started. After the temperature in the flask reached 180 ° C., 1.31 parts by mass of CG-100 (esterification catalyst), tackol AP (lightening agent), 65.3 parts by mass of triethylene glycol, 65.3 parts by mass Part of diethylene glycol and 2 drops of antifoam were charged into the flask. After charging the raw material, the temperature was raised to 220 ° C.
- the monoester was prepared by keeping the reaction temperature at 220 ° C. for 3 hours. Next, the temperature was raised from 220 ° C. to 270 ° C. over 3 hours and 30 minutes. The esterification reaction was allowed to proceed by keeping the temperature at 270 ° C. The acid value of the obtained reaction product was measured to confirm that it was 20 or less. Then, cooling was started and Adekastab PEP-8 (antioxidant) was added at 220 ° C.
- the tackifier (b) having a number average molecular weight of 606 (using GPC manufactured by Showa Denko KK) was obtained by adjusting the internal temperature to 140 ° C. or lower and filtering through a 100 mesh wire net.
- the Brazilian rosin used in Example 1 was 23% by mass of abietic acid, 28% by mass of pulsed trinic acid, 19% by mass of neoabietic acid, 2% by mass of sandaracopimalic acid, and 5% by mass of pimaric acid. In addition, 13% by mass of isopimaric acid, 5% by mass of dehydroabietic acid, and 5% by mass of kombonic acid having a labtan skeleton were contained.
- Example 1 a Chinese rosin containing a bicyclic skeleton structure and containing no rosin acid is used, and the other conditions are the same as in Example 1 except that the number average molecular weight is 562.
- a tackifier (c) (GPC manufactured by Showa Denko KK) was obtained.
- the Chinese rosin used in Comparative Example 1 was 42% by mass of abietic acid, 20% by mass of pulsed triic acid, 17% by mass of neoabietic acid, 3% by mass of sandaracopimalic acid, and 7% by mass of pimaric acid. And 5% by mass of isopimaric acid and 6% by mass of dehydroabietic acid. That is, it did not contain rosin acid having a bicyclic skeleton structure.
- a pressure-sensitive adhesive composition (f) was prepared in the same manner as in Preparation Example 1 except that the pressure-improving agent (c) was used as a tackifier component (prototype using the tackifier (c)).
- Table 1 shows various properties of the pressure-sensitive adhesive composition.
- PET film manufactured by Toray Co., Ltd., trade name: Lumirror T-60
- PET film manufactured by Toray Co., Ltd., trade name: Lumirror T-60
- a pressure-sensitive adhesive sheet for compatibility evaluation was prepared in the same manner as described above except that a PET film with a 50 ⁇ m release treatment (manufactured by Panac Corporation, trade name: SPPET5003BU) was used instead of the 25 ⁇ m PET film.
- a PET film with a 50 ⁇ m release treatment manufactured by Panac Corporation, trade name: SPPET5003BU
- the 75 ⁇ m peel-treated PET film of the compatibility evaluation pressure-sensitive adhesive sheet was peeled and attached to a glass plate, the 50 ⁇ m peel-treated PET film was peeled, and haze and total light transmittance (%) were measured with a haze meter.
- haze and total light transmittance were measured with a haze meter.
- Nippon Denshoku Industries Co., Ltd. haze meter NDH2000 was used. The obtained results are shown in Table 3.
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- Organic Chemistry (AREA)
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- Polymers & Plastics (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
Description
サンプルをテトラヒドロフランに溶解させ、試料濃度を5.0g/Lとして、示差屈折率検出器(RID)を装備したゲルパーミエーションクロマトグラフ(GPC)によって測定し、サンプルの分子量分布を得た。
その後、得られたクロマトグラム(チャート)から、標準ポリスチレンを検量線として、サンプルの数平均分子量(Mn)を算出した。測定装置および測定条件を以下に示す。
データ処理装置:品番GPC-101(昭和電工社製)
示差屈折率検出器:品番GPC-101に内蔵されたRI検出器
カラム:品番KF-803、KF-802 、KF-801×2本 (昭和電工社製)
移動相:テトラヒドロフラン
カラム流量:1.0mL/min
試料濃度:5.0g/L
注入量:100μL
測定温度:40℃
分子量マーカー:標準ポリスチレン(SHODEX STANDARD.昭和電工社製標準物質)
サンプルをテトラヒドロフランに溶解させ、試料濃度を1.0g/Lとして、示差屈折率検出器(RID)を装備したゲルパーミエーションクロマトグラフ(GPC)によって測定し、サンプルの分子量分布を得た。
その後、得られたクロマトグラム(チャート)から、標準ポリスチレンを検量線として、サンプルの重量平均分子量(Mw)を算出した。測定装置および測定条件を以下に示す。
データ処理装置:品番HLC-8220GPC(東ソー社製)
示差屈折率検出器:品番HLC-8220GPCに内蔵されたRI検出器
カラム:品番TSKgel SuperHZM-H(東ソー社製)2本
移動相:テトラヒドロフラン
カラム流量:0.35mL/min
試料濃度:1.0g/L
注入量:10μL
測定温度:40℃
分子量マーカー:標準ポリスチレン(POLYMER LABORATORIES LTD.社製標準物質)(POLYSTYRENE-MEDIUM MOLECULAR WEIGHT CALIBRATION KIT使用)
東洋精機社製回転粘度計を用いて、サンプルを少量アプリケーター専用容器(少量サンプルアダプタ)に採取し、下記条件で40℃~120℃の温度粘度測定を行った。
サンプル採取料:10ml
測定粘度計:TVB-22L(スピンドルタイプ 東洋精機製)
ローター:TM1(少量サンプル用ローター 東洋精機製)
温度調整機:VTB-250(ブロック式恒温槽 東洋精機製)
温度条件:40度~120度 10度昇温するごとに、粘度測定を実施。
粘着物性評価用粘着シートの75μm剥離処理されたPETフィルムを剥離し、JIS Z 0237(2009年)に準拠して測定を実施した。ただし、保持力測定のみ、耐熱性の差異を明確に確認するため60℃で測定した。得られた結果を表2に示す。
Claims (5)
- ロジン(A)と、アルコール(B)との反応物である粘着付与剤であって、
前記ロジン(A)は、二環骨格構造を有するロジン酸(a)を含む、粘着付与剤。 - 前記二環骨格構造が、ラブタン骨格構造である、請求項1に記載の粘着付与剤。
- 前記二環骨格構造を有するロジン酸(a)が、前記ロジン(A)100質量部に対して0.1~15質量部含まれている、請求項1又は2に記載の粘着付与剤。
- 前記二環骨格を有するロジン酸(a)が、アンチコパリック酸、メルクシ酸、インブリカタロイック酸及びコムン酸からなる群から選択される少なくとも1種である、請求項1~3のいずれか1項に記載の粘着付与剤。
- 前記アルコール(B)が、2~4価アルコールである、請求項1~4のいずれか1項に記載の粘着付与剤。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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US15/766,958 US20180298243A1 (en) | 2015-10-15 | 2016-10-05 | Tackifier |
JP2017545170A JPWO2017065072A1 (ja) | 2015-10-15 | 2016-10-05 | 粘着付与剤 |
CN201680060551.4A CN108138025A (zh) | 2015-10-15 | 2016-10-05 | 增粘剂 |
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JP2015203836 | 2015-10-15 | ||
JP2015-203836 | 2015-10-15 |
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WO2017065072A1 true WO2017065072A1 (ja) | 2017-04-20 |
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PCT/JP2016/079646 WO2017065072A1 (ja) | 2015-10-15 | 2016-10-05 | 粘着付与剤 |
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US (1) | US20180298243A1 (ja) |
JP (1) | JPWO2017065072A1 (ja) |
CN (1) | CN108138025A (ja) |
WO (1) | WO2017065072A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017119824A (ja) * | 2015-12-28 | 2017-07-06 | 荒川化学工業株式会社 | 粘着付与樹脂、粘・接着剤、ホットメルト接着剤 |
JP2018104612A (ja) * | 2016-12-27 | 2018-07-05 | 荒川化学工業株式会社 | 粘着付与樹脂エマルジョン、水系粘・接着剤組成物 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS51131899A (en) * | 1975-05-06 | 1976-11-16 | Arakawa Chem Ind Co Ltd | Method of purifying rosin |
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JP5801533B2 (ja) * | 2006-12-07 | 2015-10-28 | スリーエム イノベイティブ プロパティズ カンパニー | 複数の粘着付与剤を含むブロックコポリマーブレンド接着剤 |
JP5598743B2 (ja) * | 2009-01-27 | 2014-10-01 | 荒川化学工業株式会社 | 粘着付与剤、粘・接着剤組成物、アクリル系粘・接着剤組成物およびアクリル系活性エネルギー線硬化型粘・接着剤組成物 |
CN102993976A (zh) * | 2012-12-21 | 2013-03-27 | 广西梧州日成林产化工股份有限公司 | 抗结晶稳定松香的制备方法 |
JP6525397B2 (ja) * | 2015-09-28 | 2019-06-05 | 荒川化学工業株式会社 | ロジン系エマルジョンサイズ剤及び該サイズ剤を用いて得られる紙 |
JP6933150B2 (ja) * | 2017-02-06 | 2021-09-08 | 荒川化学工業株式会社 | 光学用活性エネルギー線硬化型粘接着剤用の添加剤、及び光学用アクリル系活性エネルギー線硬化型粘接着剤 |
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2016
- 2016-10-05 CN CN201680060551.4A patent/CN108138025A/zh active Pending
- 2016-10-05 WO PCT/JP2016/079646 patent/WO2017065072A1/ja active Application Filing
- 2016-10-05 US US15/766,958 patent/US20180298243A1/en not_active Abandoned
- 2016-10-05 JP JP2017545170A patent/JPWO2017065072A1/ja active Pending
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JPS51131899A (en) * | 1975-05-06 | 1976-11-16 | Arakawa Chem Ind Co Ltd | Method of purifying rosin |
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JP2017119824A (ja) * | 2015-12-28 | 2017-07-06 | 荒川化学工業株式会社 | 粘着付与樹脂、粘・接着剤、ホットメルト接着剤 |
JP6996077B2 (ja) | 2015-12-28 | 2022-01-17 | 荒川化学工業株式会社 | 粘着付与樹脂、粘・接着剤、ホットメルト接着剤 |
JP2018104612A (ja) * | 2016-12-27 | 2018-07-05 | 荒川化学工業株式会社 | 粘着付与樹脂エマルジョン、水系粘・接着剤組成物 |
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JPWO2017065072A1 (ja) | 2018-08-02 |
CN108138025A (zh) | 2018-06-08 |
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