JP2018505937A - メタロセンポリオレフィンをベースとする低活性化温度ヒートシールホットメルト接着剤 - Google Patents
メタロセンポリオレフィンをベースとする低活性化温度ヒートシールホットメルト接着剤 Download PDFInfo
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- JP2018505937A JP2018505937A JP2017538580A JP2017538580A JP2018505937A JP 2018505937 A JP2018505937 A JP 2018505937A JP 2017538580 A JP2017538580 A JP 2017538580A JP 2017538580 A JP2017538580 A JP 2017538580A JP 2018505937 A JP2018505937 A JP 2018505937A
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- hot melt
- melt adhesive
- wax
- metallocene
- film
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Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C—CHEMISTRY; METALLURGY
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
- C08L91/06—Waxes
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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
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/24—All layers being polymeric
- B32B2250/242—All polymers belonging to those covered by group B32B27/32
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- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2439/00—Containers; Receptacles
- B32B2439/70—Food packaging
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- C08L2203/00—Applications
- C08L2203/16—Applications used for films
- C08L2203/162—Applications used for films sealable films
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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Abstract
Description
(1)ASTM法D−1321によって測定して約0.1〜120の硬度値、および約66℃〜120℃のASTM軟化点を有する、低分子量(すなわち、100〜6000g/mol)のポリエチレン;
(2)石油ワックス、たとえば、約130゜F〜170゜Fの融点を有するパラフィンワックス、および約135゜F〜200゜Fの融点を有する微結晶ワックス(後者の融点は、ASTM法D127−60により測定);
(3)約120℃〜160℃の環球式軟化点を有するアタクチックポリプロピレン;
(4)メタロセン触媒によるプロピレンベースのワックス、たとえばClariantから「Licocene」の商品名で市販されているもの;
(5)メタロセン触媒によるワックスまたは単座触媒による(single−site catalyzed)ワックス、たとえば米国特許第4,914,253号明細書、米国特許第6,319,979号明細書、または国際公開第97/33921号パンフレットもしくは国際公開第98/03603号パンフレットに記載されているようなもの;
(6)一酸化炭素と水素を重合させることによって製造される合成ワックス、たとえばFischer−Tropschワックス;ならびに
(7)ポリオレフィンワックス。本明細書で使用するとき、「ポリオレフィンワックス」という用語は、オレフィン性モノマー単位から構成される、ポリマー性または長鎖のエンティティのものを指している。これらの物質は、Eastman Chemical Co.から「Epolene」の商品名で市販されている。本発明の組成物において好適に使用される物質は、200゜F〜350゜Fの環球式軟化点を有している。これらのワックスそれぞれが、室温では固体であるということは理解されたい。その他の有用な物質としては、水素化された動物性、魚系、および植物性の油脂、たとえば水素化された獣脂、豚脂、ダイズ油、綿実油、ヒマシ油、メンハディン油(menhadin oil)、鱈肝油などが挙げられ、そしてそれらは、水素化されているために室温で固体状であるが、ワックス物質等価物としての機能に関しては、有用であることもさらに見出された。これらの水素化された物質は、接着剤業界においては、「動物性または植物性ワックス」と呼ばれることも多い。
1,3,5−トリメチル−2,4,6−トリス(3−5−ジ−tert−ブチル−4−ヒドロキシベンジル)ベンゼン;
ペンタエリスリトールテトラキス−3(3,5−ジ−tert−ブチル−4−ヒドロキシフェニル)プロピオネート;
n−オクタデシル−3(3,5−ジ−tert−ブチル−4−ヒドロキシフェニル)プロピオネート;
4,4’−メチレンビス(4−メチル−6−tertブチルフェノール);
4,4’−チオビス(6−tert−ブチル−o−クレゾール);
2,6−ジ−tert−ブチルフェノール;
6−(4−ヒドロキシフェノキシ)−2,4−ビス(n−オクチルチオ)−1,3,5−トリアジン;
2,4,6−トリス(4−ヒドロキシ−3,5−ジ−tert−ブチル−フェノキシ)−1,3,5−トリアジン;
ジ−n−オクタデシル−3,5−ジ−tert−ブチル−4−ヒドロキシベンジルホスホネート;
2−(n−オクチルチオ)エチル−3,5−ジ−tert−ブチル−4−ヒドロキシベンゾエート;および
ソルビトールヘキサ−(3,3,5−ジ−tert−ブチル−4−ヒドロキシ−フェニル)プロピオネート。
基材/フィルムは、クレーコーテッド紙/PE/OPP/プライマーの積層物を使用して作成する。フィルムのプライマー処理した側の上に、スロットコーティングアプリケーターを介して、厚み1.0mil、および接着剤の粘度に応じて375゜F〜400゜Fで、接着剤を適用する。接着剤を付着させた積層フィルムを切断して、幅1.0インチのサンプルとした。次いで、1.0×1.0インチの面積を、Sentinelヒートシーラーを使用し、圧力20psi、滞留時間2.0秒で、所定の温度を使用して、HDPEフィルム(または、記載されている他の基材)の上で加熱活性化させる。試験用サンプルは、制御された環境(72゜F、50%RH)で15〜30分間、コンディショニングさせてから、Instron Tensile Testerを使用し、12.0インチ/分のクロスヘッド速度で、180度剥離試験にかけた。
Claims (17)
- 包装用途のための低活性化温度ホットメルト接着剤であって、
a)約50重量%〜約90重量%のメタロセン触媒によるポリオレフィンポリマー;
b)約5重量%〜約50重量%の粘着性付与樹脂;
c)約0.5重量%〜約40重量%のワックス;
d)約0.1%〜約5重量%の安定剤または抗酸化剤;
を含み、
前記接着剤が、160゜F以下の活性化温度を有し、300゜Fで50,000センチポワズより高い粘度を有する、
ホットメルト接着剤。 - 前記メタロセン触媒によるポリオレフィンポリマーが、エチレンとC4〜C10−アルファ−オレフィンとのコポリマーである、請求項1に記載のホットメルト接着剤。
- 前記メタロセン触媒によるポリオレフィンポリマーが、エチレン/オクテンコポリマーである、請求項2に記載のホットメルト接着剤。
- 前記メタロセン触媒によるポリオレフィンポリマーが、プロピレンとC4〜C10−アルファ−オレフィンとのコポリマーである、請求項1に記載のホットメルト接着剤。
- 約55重量%〜約70重量%のメタロセン触媒によるポリオレフィンポリマーを含む、請求項1に記載のホットメルト接着剤。
- 前記メタロセン触媒によるポリオレフィンポリマーが、0.900g/cc以下の密度を有する、請求項1に記載のホットメルト接着剤。
- 前記粘着性付与樹脂が、約80℃〜約140℃の軟化点を有する、請求項1に記載のホットメルト接着剤。
- 前記粘着性付与樹脂が、非極性の粘着性付与樹脂である、請求項7に記載のホットメルト接着剤。
- 約5重量%〜約30重量%の前記ワックスを含む、請求項1に記載のホットメルト接着剤。
- 前記ワックスが、パラフィンワックス、Fischer Tropschワックス、微結晶ワックス、およびエチレンベースのポリオレフィンワックスからなる群より選択される、請求項9に記載のホットメルト接着剤。
- 請求項1に記載の接着剤を含む、物品。
- 多層フィルム積層物である、請求項11に記載の物品。
- 前記積層物の一つの層が、ポリオレフィンフィルムである、請求項12に記載の物品。
- 前記ポリオレフィンフィルムが、ポリエチレンフィルムである、請求項13に記載の物品。
- 前記ポリオレフィンフィルムが、ポリプロピレンフィルムである、請求項13に記載の物品。
- 食料品包装である、請求項11に記載の物品。
- 共押出成形を含む、請求項11に記載の物品を作成するための方法。
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JP7488676B2 (ja) | 2020-03-27 | 2024-05-22 | 株式会社サンエー化研 | 粘着フィルム及びその製造方法 |
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JP7019419B2 (ja) | 2022-02-15 |
CN107257833A (zh) | 2017-10-17 |
EP3247758A1 (en) | 2017-11-29 |
JP2021098859A (ja) | 2021-07-01 |
US20160215176A1 (en) | 2016-07-28 |
WO2016118835A1 (en) | 2016-07-28 |
EP3247758B1 (en) | 2019-12-25 |
MX2017009573A (es) | 2017-12-11 |
ES2768850T3 (es) | 2020-06-23 |
JP7114765B2 (ja) | 2022-08-08 |
CN107257833B (zh) | 2020-01-03 |
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