JP2005200440A - 粘着付与剤樹脂エマルジョンおよび接着剤組成物 - Google Patents
粘着付与剤樹脂エマルジョンおよび接着剤組成物 Download PDFInfo
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- JP2005200440A JP2005200440A JP2004004963A JP2004004963A JP2005200440A JP 2005200440 A JP2005200440 A JP 2005200440A JP 2004004963 A JP2004004963 A JP 2004004963A JP 2004004963 A JP2004004963 A JP 2004004963A JP 2005200440 A JP2005200440 A JP 2005200440A
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- Prior art keywords
- tackifier resin
- resin emulsion
- emulsifier
- meth
- weight
- 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.)
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- 239000011347 resin Substances 0.000 title claims abstract description 102
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- 239000000853 adhesive Substances 0.000 title claims abstract description 29
- 239000000203 mixture Substances 0.000 title claims description 14
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 73
- 239000000178 monomer Substances 0.000 claims abstract description 22
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims abstract description 20
- 230000009477 glass transition Effects 0.000 claims abstract description 12
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- 239000000470 constituent Substances 0.000 claims abstract description 5
- 125000000217 alkyl group Chemical group 0.000 claims abstract 2
- -1 sulfate ester salt Chemical class 0.000 claims description 60
- 229920000642 polymer Polymers 0.000 claims description 39
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 125000002947 alkylene group Chemical group 0.000 claims description 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 2
- 125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 claims 1
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- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 229910019142 PO4 Inorganic materials 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
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- WTARULDDTDQWMU-RKDXNWHRSA-N (+)-β-pinene Chemical compound C1[C@H]2C(C)(C)[C@@H]1CCC2=C WTARULDDTDQWMU-RKDXNWHRSA-N 0.000 description 2
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- IANQTJSKSUMEQM-UHFFFAOYSA-N 1-benzofuran Chemical compound C1=CC=C2OC=CC2=C1 IANQTJSKSUMEQM-UHFFFAOYSA-N 0.000 description 2
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- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
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- 125000005907 alkyl ester group Chemical group 0.000 description 2
- 125000005037 alkyl phenyl group Chemical group 0.000 description 2
- XCPQUQHBVVXMRQ-UHFFFAOYSA-N alpha-Fenchene Natural products C1CC2C(=C)CC1C2(C)C XCPQUQHBVVXMRQ-UHFFFAOYSA-N 0.000 description 2
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- 230000000052 comparative effect Effects 0.000 description 2
- 238000007334 copolymerization reaction Methods 0.000 description 2
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 2
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- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
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Abstract
【解決手段】 アニオン性単量体(A)および(メタ)アクリル酸アルキルエステル(B)を主成分として構成され且つ当該ガラス転移点が110℃以下である高分子乳化剤の存在下に、粘着付与剤樹脂を乳化して得られる粘着付与剤樹脂エマルジョンを用いる。
【選択図】 なし
Description
また、石油系樹脂とはC5系石油樹脂、C9系石油樹脂、C5−C9共重合系石油樹脂、クマロン樹脂、クマロン−インデン系樹脂、ピュアモノマー樹脂、ジシクロペンタジエン系石油樹脂およびこれらの水素化物等を例示でき、テルペン系樹脂としてはα−ピネン樹脂、β−ピネン樹脂や、α−ピネン、β−ピネン等のテルペン類とスチレン等の芳香族モノマーを共重合させた芳香族変性のテルペン系樹脂およびこれらの水素化物等を例示できる。これら粘着付与剤の中では、ロジンエステル類を用いることにより、基材への密着性が向上するため好ましい。これら粘着付与剤樹脂の軟化点は特に限定されず200℃以下の高軟化点のものから液状のものを、各種用途に応じて適宜選択して使用できる。
ケン化前の高分子乳化剤を105℃で一昼夜減圧乾燥してフィルム状物をえた。セイコーインスツルメント製熱応力歪測定装置(TMA)を用い、フィルム状物に針入プローブを介して5gの荷重をかけ、室温から一定速度(10℃/分)で昇温し、その際の変移曲線からガラス転移点(℃)を求めた。
(株)トキメック製B型粘度計B8M型を用い、25℃、回転数30rpmで溶液粘度(mPa・s)を測定した。
得られた樹脂エマルジョンを25℃で10日間静置し、沈降物の有無を目視判定した。
攪拌機、還流管、温度計、窒素流入管を備えた反応容器に、アニオン性反応性乳化剤(第一工業製薬(株)製、アクアロンKH−10)33部、水210部を仕込み、系内を均一な水溶液とした。窒素気流下、95℃まで昇温し、メタクリル酸33部、ブチルアクリレート14部、シクロヘキシルアクリレート20部、n−ドデシルメルカプタン1部からなる溶液、およびAPS1.5部と水15部からなる水溶液を徐々に滴下し、3時間反応させた。更にAPS0.5部と水5部からなる水溶液を滴下して2時間反応させた。次いで、48%水酸化ナトリウム30部と水220部を加え、固形分20.0%、pH7.9、粘度790mPa・sの高分子乳化剤を得た。上記樹脂のケン化前のガラス転移点は52℃であった。
各配合成分を表1の様に変更した他は製造例1と同様の方法により高分子乳化剤を製造した。得られた高分子乳化剤の性状を表1に示した。
実施例1〜9および比較例1〜4
ガムロジンのグリセリンエステル(A−100、荒川化学工業(株)製)、ガムロジンのペンタエリスリトールエステル(GA−100、荒川化学工業(株)製)、不均化ロジンのペンタエリスリトールエステル(GB−120、荒川化学工業(株)製)を粘着付与剤樹脂として、前記製造例1〜9で得られた高分子乳化剤2部、低分子乳化剤(商品名 ネオゲンAO−90、第一工業製薬(株)製)2部および低分子乳化剤(商品名 ハイテノール12、第一工業製薬(株)製)2部をそれぞれ添加して水中分散させ、表2に示す樹脂エマルジョンを得た。なお、製造例9および10で得られた高分子乳化剤を用いた場合には、乳化はできなかった。
水性アクリル系重合エマルジョン100部(固形部)、樹脂エマルジョン70部(固形部)、炭酸カルシウム250部、トリエチレングリコール40部からなる水性エマルジョン接着剤を調整した。
初期接着性評価は繊維強化セメント板に上記接着剤組成物をくし目ごてで塗布し、40分のオープンタイム後、ビニル床シートをハンドローラーで圧着し、15分間養生後、シートの片端に200gの重りをつるして90゜剥離し、全面剥離するまでの時間(秒)を測定した。剥離時間が長い程、接着力が強い。
結果を表2に示す。
Claims (9)
- アニオン性単量体(A)および(メタ)アクリル酸アルキルエステル(B)を主成分として構成されかつ当該ガラス転移点が110℃以下である高分子乳化剤の存在下に、粘着付与剤樹脂を乳化して得られる粘着付与剤樹脂エマルジョン。
- 高分子乳化剤の構成成分の使用割合が、アニオン性単量体(A)10〜90重量%および(メタ)アクリル酸アルキルエステル(B)10〜90重量%である請求項1に記載の粘着付与剤樹脂エマルジョン。
- アニオン性単量体(A)、(メタ)アクリル酸アルキルエステル(B)および反応性乳化剤(C)を主成分として構成されかつ当該ガラス転移点が110℃以下である高分子乳化剤の存在下に、粘着付与剤樹脂を乳化して得られる請求項1に記載の粘着付与剤樹脂エマルジョン。
- 高分子乳化剤の構成成分の使用割合が、アニオン性単量体(A)10〜50重量%、(メタ)アクリル酸アルキルエステル(B)10〜50重量%および反応性乳化剤(C)10〜50重量%である請求項3に記載の粘着付与剤樹脂エマルジョン。
- 前記高分子乳化剤を構成する反応性乳化剤(C)が、アルキレンオキサイド鎖が5〜20モル重合した構造を有する不飽和スルホン酸塩類であることを特徴とする請求項3または4に記載の粘着付与剤樹脂エマルジョン。
- 前記高分子乳化剤に低分子乳化剤を併用することを特徴とする請求項1〜5のいずれかに記載の粘着付与剤樹脂エマルジョン。
- 前記低分子乳化剤が有機スルホン酸塩または硫酸エステル塩であることを特徴とする請求項1〜6のいずれかに記載の粘着付与剤樹脂エマルジョン。
- 有機溶剤の含有量が500ppm以下である請求項1〜7のいずれかに記載の粘着付与剤樹脂エマルジョン。
- 請求項1〜8のいずれかに記載の粘着付与剤樹脂エマルジョンを含有することを特徴とする接着剤組成物。
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2072597A1 (en) | 2007-12-17 | 2009-06-24 | Ricoh Company, Ltd. | Heat-Sensitive Adhesive and Heat-Sensitive Adhesive Material |
| JP2009173689A (ja) * | 2008-01-21 | 2009-08-06 | Nitto Denko Corp | 水分散型粘着剤組成物および粘着シート |
| EP2397531A1 (en) | 2010-06-17 | 2011-12-21 | Ricoh Company, Ltd. | Heat-sensitive adhesive material |
| JP2013227408A (ja) * | 2012-04-25 | 2013-11-07 | Dic Corp | 粘着付与剤、水性粘着剤用組成物、水性粘着剤及び粘着シート |
| WO2014058199A1 (ko) * | 2012-10-09 | 2014-04-17 | 주식회사 엘지화학 | 모노모달 입도분포의 나노 사이즈 라텍스 입자를 포함하는 아크릴계 에멀젼 점착제 조성물 및 이의 제조방법 |
| CN109971399A (zh) * | 2019-03-19 | 2019-07-05 | 武汉理工大学 | 一种环保防水蜡纸胶黏剂及其制备方法 |
| JP2020023597A (ja) * | 2018-08-06 | 2020-02-13 | 東洋インキScホールディングス株式会社 | 粘着付与樹脂水性分散体、水性粘着剤及び粘着シート |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP2072597A1 (en) | 2007-12-17 | 2009-06-24 | Ricoh Company, Ltd. | Heat-Sensitive Adhesive and Heat-Sensitive Adhesive Material |
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| JP2013227408A (ja) * | 2012-04-25 | 2013-11-07 | Dic Corp | 粘着付与剤、水性粘着剤用組成物、水性粘着剤及び粘着シート |
| WO2014058199A1 (ko) * | 2012-10-09 | 2014-04-17 | 주식회사 엘지화학 | 모노모달 입도분포의 나노 사이즈 라텍스 입자를 포함하는 아크릴계 에멀젼 점착제 조성물 및 이의 제조방법 |
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| JP2020023597A (ja) * | 2018-08-06 | 2020-02-13 | 東洋インキScホールディングス株式会社 | 粘着付与樹脂水性分散体、水性粘着剤及び粘着シート |
| JP7099152B2 (ja) | 2018-08-06 | 2022-07-12 | 東洋インキScホールディングス株式会社 | 粘着付与樹脂水性分散体、水性粘着剤及び粘着シート |
| CN109971399A (zh) * | 2019-03-19 | 2019-07-05 | 武汉理工大学 | 一种环保防水蜡纸胶黏剂及其制备方法 |
| CN109971399B (zh) * | 2019-03-19 | 2020-11-17 | 武汉理工大学 | 一种环保防水蜡纸胶黏剂及其制备方法 |
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