JP6582041B2 - 熱可塑性ポリウレタンホットメルト接着剤 - Google Patents
熱可塑性ポリウレタンホットメルト接着剤 Download PDFInfo
- Publication number
- JP6582041B2 JP6582041B2 JP2017512108A JP2017512108A JP6582041B2 JP 6582041 B2 JP6582041 B2 JP 6582041B2 JP 2017512108 A JP2017512108 A JP 2017512108A JP 2017512108 A JP2017512108 A JP 2017512108A JP 6582041 B2 JP6582041 B2 JP 6582041B2
- Authority
- JP
- Japan
- Prior art keywords
- hot melt
- melt adhesive
- adhesive composition
- weight
- polyester polyol
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 229920002803 thermoplastic polyurethane Polymers 0.000 title claims description 86
- 239000004433 Thermoplastic polyurethane Substances 0.000 title claims description 81
- 239000004831 Hot glue Substances 0.000 title claims description 66
- 239000000203 mixture Substances 0.000 claims description 86
- 229920005906 polyester polyol Polymers 0.000 claims description 61
- 150000001875 compounds Chemical class 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 15
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 11
- 239000005056 polyisocyanate Substances 0.000 claims description 10
- 229920001228 polyisocyanate Polymers 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 10
- 229920001169 thermoplastic Polymers 0.000 claims description 10
- 238000002844 melting Methods 0.000 claims description 9
- 230000008018 melting Effects 0.000 claims description 9
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- 239000003381 stabilizer Substances 0.000 claims description 6
- 239000004416 thermosoftening plastic Substances 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 239000002318 adhesion promoter Substances 0.000 claims description 4
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- 239000000945 filler Substances 0.000 claims description 3
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- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 claims description 2
- 238000005086 pumping Methods 0.000 claims description 2
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- 150000002513 isocyanates Chemical class 0.000 description 15
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- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 13
- 239000002253 acid Substances 0.000 description 12
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 10
- 125000005442 diisocyanate group Chemical group 0.000 description 10
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- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
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- 239000011248 coating agent Substances 0.000 description 3
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- ACCCMOQWYVYDOT-UHFFFAOYSA-N hexane-1,1-diol Chemical compound CCCCCC(O)O ACCCMOQWYVYDOT-UHFFFAOYSA-N 0.000 description 3
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- 238000006460 hydrolysis reaction Methods 0.000 description 3
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 3
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 3
- 229920000515 polycarbonate Polymers 0.000 description 3
- 239000004417 polycarbonate Substances 0.000 description 3
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 3
- FKTHNVSLHLHISI-UHFFFAOYSA-N 1,2-bis(isocyanatomethyl)benzene Chemical compound O=C=NCC1=CC=CC=C1CN=C=O FKTHNVSLHLHISI-UHFFFAOYSA-N 0.000 description 2
- SBJCUZQNHOLYMD-UHFFFAOYSA-N 1,5-Naphthalene diisocyanate Chemical compound C1=CC=C2C(N=C=O)=CC=CC2=C1N=C=O SBJCUZQNHOLYMD-UHFFFAOYSA-N 0.000 description 2
- IANQTJSKSUMEQM-UHFFFAOYSA-N 1-benzofuran Chemical compound C1=CC=C2OC=CC2=C1 IANQTJSKSUMEQM-UHFFFAOYSA-N 0.000 description 2
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- BQACOLQNOUYJCE-FYZZASKESA-N Abietic acid Natural products CC(C)C1=CC2=CC[C@]3(C)[C@](C)(CCC[C@@]3(C)C(=O)O)[C@H]2CC1 BQACOLQNOUYJCE-FYZZASKESA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
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- 150000001298 alcohols Chemical class 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
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- 239000003963 antioxidant agent Substances 0.000 description 2
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- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 2
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- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 2
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- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
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- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
- C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
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- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J5/00—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2503/00—Polyurethanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08G2170/00—Compositions for adhesives
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- 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
- C09J2301/304—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 heat-activatable, i.e. not 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
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- Adhesives Or Adhesive Processes (AREA)
- Laminated Bodies (AREA)
Description
熱可塑性ポリウレタンコポリマーが、
少なくとも1種のポリエステルポリオール;および
少なくとも1つのポリイソシアネート
の反応生成物を含み、
ここで、ポリエステルポリオールのOH基に対するポリイソシアネートのNCO基のモル比が0.95:1未満であり、
熱可塑性ポリウレタンコポリマーの粘度は、160℃で1,000〜100,000mPasであり、
熱可塑性ポリウレタンコポリマーは、熱的に安定であり、および
熱安定性は、160℃で6時間後の熱可塑性ポリウレタンコポリマーの初期粘度と比較して±10%未満の粘度変化として定義される。
a)40〜150℃、好ましくは60〜140℃、より好ましくは80〜140℃(以下に定義のDSCによる決定)の融点(Tm)を有する少なくとも1種の半結晶性ポリエステルポリオール、および
b)少なくとも1種の非結晶性ポリエステルポリオール
を含むことができる。
c)750g/mol未満の数平均分子量(Mn)を有する非結晶性ポリエステルポリオール;および
d)少なくとも750g/molの数平均分子量(Mn)を有する非結晶性ポリエステルポリオール
を含む。
1)ホットメルト接着剤組成物を攪拌も剪断も伴わずに加熱容器内で溶融する工程;
2)工程1)の溶融ホットメルト接着剤組成物を、歯車またはピストンポンプにより加熱ホースを通してポンプ輸送する工程;および
3)ホットメルト接着剤組成物をノズル、ローラーまたはスプレーヘッドにより基材上へ適用する工程
を含む方法で基材へ適用することができる。
本発明では、以下の測定方法を採用する。
ポリエステルポリオールおよびイルガノックス1010をガラスフラスコ中へ秤量し、機械的に撹拌しながら120℃に加熱した。フラスコを密閉し、真空ポンプより1時間(圧力2〜5mbar)真空を適用して水を除去した。フレークMDIを加え、130℃でヒドロキシル基と反応させた。この反応は、2200cm−1でのNCO吸収が消失するまで、赤外分光法で追跡した。
これは、±0.01mgまで測定可能なマイクロ天秤およびMettler Toledo TA Instruments Q100/Q1000 DSC装置を用いて測定した。DSCは、インジウム標準を用いて較正した。試料10〜15mgをアルミニウムDSCパンに秤量し、蓋をしっかりと固定した。使用前にDSCチャンバーの温度を40℃に設定した。サンプルパンおよびリファレンスパン(ブランク)をDSCセルチャンバーに入れた。15℃/分の冷却速度で温度を−50℃に下げた。温度を−50℃に保持し、次いで毎分5℃の加熱速度で150℃に上昇させた。Tgは熱流における変曲から得られ、Tmは熱流におけるピークから得られた。
各化合物/組成物を、同じクロマトグラフィー条件下でゲルパーミエーションクロマトグラフィー(GPC)によって分子量およびモル質量分布について分析した。試験試料をN,N−ジメチルアセトアミドに溶解し、調製した各試料溶液を0.20μmシリンジフィルターを通して分析バイアルに濾過した。調製試料溶液を、80℃にてN,N−ジメチルアセトアミド/LiCl溶出および屈折率指数でのStyragelカラムを用いたGPC分離技術を用いた液体クロマトグラフィーにより分析した。試験物質について測定した数平均分子量(Mn)および重量平均分子量(Mw)は、ポリスチレン標準を用いて実施した外部キャリブレーションに基づく。
メルト粘度は、ブルックフィールド粘度計モデルRVDV−1+を使用し、粘度標準油で較正したModel 106温度コントローラおよびサーモセルユニットを用いて測定した。10〜12gの接着剤を使い捨てアルミニウム粘度計管に秤量した。チューブを粘度計に挿入し、160℃で30分間平衡化させた。予熱スピンドルNo.27を接着剤に挿入し、160℃で30分間回転させた。測定された粘度範囲に従って回転速度を変えた。次いで、160℃での初期粘度V1を測定した。
サンプルを160℃(±1℃)の一定温度で6時間粘度計中で保持した。次いで160℃での粘度V2を測定し、6時間にわたる粘度の変化を次のように計算した:
%変化=[(V2−V1))/V1]×100
接着剤を160℃に予熱し、150μmの厚みのフィルムを予熱金属コーティングブロックを使用してMDF(中質繊維板)に適用した。時間はt=0に設定した。5〜10秒の間隔で、接着剤を紙ストリップに、接着剤に接触した紙の表面に指圧で塗布した。数分後、紙を取り除いた。オープンタイム制限は、接着剤による紙の適切な濡れの欠如に起因する紙の引裂がない場合に生じる。
TPUを160℃のオーブン中で30分間加熱し、フィルムを金属コーティングブロック(幅25mm×厚み0.25mm)で作製した。フィルムはその後室温で3日間、状態調節した。三日後、接着ストリップ(長さ10cm)と同じ寸法二紙ストリップの間に配置しました。木製ボード2分間180℃で予熱し、試料をボード上に180℃1分間置いた。ボードおよびサンプルをオーブンから取り出し、2キロローラーを試料に適用した。試料を室温で3日間放置し、紙の二枚は剥離して接着剤ストリップを露出した。接着剤ストリップが残っている紙で完全に覆われている場合((3回の測定の平均値)、100%接着が得られる。紙素材は、130gsmクロスグレインであり、コーティングし、および印刷した。
ヘキサンジオールおよびアジピン酸のコポリマー、Mn=1モル当たり4065g、Tm=55℃
〔半結晶性ポリエステルA2〕
ジエチレングリコールおよびテトラデカン酸のコポリマー、Mn=1モル当たり3740g、Tm=90℃
〔半結晶性ポリエステルA3〕
ヘキサンジオール、アジピン酸およびテレフタル酸のコポリマー、Mn=1モル当たり3815g、Tm=110℃
〔非結晶性ポリエステルB1〕
ジエチレングリコール、アジピン酸およびイソフタル酸のコポリマー、Mn=1モル当たり1910g、Tgは=−25℃
〔非結晶性ポリエステルB2〕
エチレングリコール、ネオペンチルグリコール、セバシン酸およびイソフタル酸のコポリマー、Mn=1モル当たり1875g、Tgは=−25℃
〔非結晶性ポリエステルB3〕
ジエチレングリコールおよび無水フタル酸のコポリマー、Mn=1モル当たり568g
1,4−ブタンジオール
1,12−ドデカンジオール
4,4’MDI
Irganox(登録商標)1010(抗酸化剤)
Claims (14)
- 熱可塑性ポリウレタンコポリマーを含むホットメルト接着剤組成物であって、
該熱可塑性ポリウレタンコポリマーは、
少なくとも1種のポリエステルポリオール;および
少なくとも1種のポリイソシアネート
の反応生成物を含み、
該ポリエステルポリオールのOH基に対するポリイソシアネートのNCO基のモル比は0.95:1未満であり、
熱可塑性ポリウレタンコポリマーの粘度は、160℃で1,000〜100,000mPa・sであり、
熱可塑性ポリウレタンコポリマーは熱的に安定性であり、
熱安定性は、160℃で6時間後の熱可塑性ポリウレタンコポリマーの初期粘度と比較して±10%未満の粘度変化として定義され、少なくとも1種のポリエステルポリオールは、
a)40〜150℃の融点(Tm)を有する少なくとも1種の半結晶性ポリエステルポリオール;および
b)少なくとも1種の非結晶性ポリエステルポリオール
を含む、ホットメルト接着剤組成物。 - 少なくとも1種の非結晶性ポリエステルポリオールb)は、
c)750g/mol未満の数平均分子量(Mn)を有する非結晶性ポリエステルポリオール;および
d)少なくとも750g/molの数平均分子量(Mn)を有する非結晶性ポリエステルポリオール
を含む、請求項1に記載のホットメルト接着剤組成物。 - 少なくとも1種のポリエステルポリオールはオルトフタレートを含む、請求項1または2に記載のホットメルト接着剤組成物。
- 熱可塑性ポリウレタンコポリマーは、5,000〜40,000g/molの数平均分子量(Mn)を有する、請求項1〜3のいずれかに記載のホットメルト接着剤組成物。
- 組成物は、熱可塑性ポリウレタンコポリマーの総重量を基準にして5〜50重量%の化合物a)を含有する、請求項1〜4のいずれかに記載のホットメルト接着剤組成物。
- 組成物は、熱可塑性ポリウレタンコポリマーの総重量に基づいて5〜50重量%の化合物c)を含む、請求項2〜5のいずれかに記載のホットメルト接着剤組成物。
- 組成物は、熱可塑性ポリウレタンコポリマーの総重量を基準にして10〜60重量%の化合物d)を含む、請求項2〜6のいずれかに記載のホットメルト接着剤組成物。
- 熱可塑性コポリマーは、熱可塑性共重合体の総重量を基準にして
10〜30重量%の化合物a);
10〜40重量%の化合物c);
10〜40重量%の化合物d);および
10〜25重量%の少なくとも1種のポリイソシアネート
を含む、請求項2〜4のいずれかに記載のホットメルト接着剤組成物。 - ホットメルト接着剤組成物は、組成物の総重量に基づいて50〜99.9重量%の熱可塑性ポリウレタンコポリマーを含む、請求項1〜8のいずれかに記載のホットメルト接着剤組成物。
- ホットメルト接着剤組成物は、組成物の総重量に基づいて0.1〜50重量%の添加剤を含む、請求項1〜9のいずれかに記載のホットメルト接着剤組成物。
- ホットメルト接着剤組成物は、組成物の総重量に基づいて0.1〜50重量%の、粘着付与剤、フィラー、可塑剤、および熱可塑性ポリウレタンコポリマーとは異なるさらなる熱可塑性ポリマー、またはそれらの組み合わせから選択される少なくとも1つの化合物を含む、請求項1〜10のいずれかに記載のホットメルト接着剤組成物。
- ホットメルト接着剤組成物は、組成物の総重量に基づいて0.1〜10重量%の、安定剤および接着促進剤またはそれらの組み合わせから選択される少なくとも1つの化合物を含む、請求項1〜11のいずれかに記載のホットメルト接着剤組成物。
- 請求項1〜12のいずれかに記載のホットメルト接着剤組成物を基材へ適用する方法であって、
1)ホットメルト接着剤組成物を攪拌も剪断も伴わずに加熱容器中で溶融する工程、
2)工程1)の溶融ホットメルト接着剤組成物を歯車またはピストンポンプにより加熱ホースを通してポンプ輸送する工程;および
3)ホットメルト接着剤組成物をノズル、ローラーまたはスプレーヘッドにより基材上へ適用する工程
を含む、方法。 - 製本、木材接着、フラットラミネーション、フレキシブル包装、プロファイルラッピング、エッジバンディング、テキスタイルラミネーション、低圧成形および靴における請求項1〜12のいずれかに記載のホットメルト接着剤組成物の使用。
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EP14001739.3A EP2944661B1 (en) | 2014-05-16 | 2014-05-16 | Thermoplastic polyurethane hot melt adhesive |
PCT/EP2015/059828 WO2015173072A1 (en) | 2014-05-16 | 2015-05-05 | Thermoplastic polyurethane hot melt adhesive |
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WO2001094439A1 (en) * | 2000-06-06 | 2001-12-13 | Akzo Nobel N.V. | Hot melt coating composition |
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EP2058348A1 (en) * | 2006-08-31 | 2009-05-13 | Ube Industries, Ltd. | Reactive hot-melt composition and molded article using the same |
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2014
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RU2016149392A (ru) | 2018-06-20 |
EP2944661B1 (en) | 2019-09-18 |
ES2755097T3 (es) | 2020-04-21 |
TWI676652B (zh) | 2019-11-11 |
RU2016149392A3 (ja) | 2018-12-10 |
JP2017520670A (ja) | 2017-07-27 |
CN106459360B (zh) | 2019-11-01 |
US20170058163A1 (en) | 2017-03-02 |
TW201546175A (zh) | 2015-12-16 |
KR20170012327A (ko) | 2017-02-02 |
CN106459360A (zh) | 2017-02-22 |
RU2686933C2 (ru) | 2019-05-06 |
EP2944661A1 (en) | 2015-11-18 |
WO2015173072A1 (en) | 2015-11-19 |
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