JP4710833B2 - ポリプロピレン重合体フィルムおよびこれを用いた粘着フィルム - Google Patents
ポリプロピレン重合体フィルムおよびこれを用いた粘着フィルム Download PDFInfo
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- JP4710833B2 JP4710833B2 JP2006547821A JP2006547821A JP4710833B2 JP 4710833 B2 JP4710833 B2 JP 4710833B2 JP 2006547821 A JP2006547821 A JP 2006547821A JP 2006547821 A JP2006547821 A JP 2006547821A JP 4710833 B2 JP4710833 B2 JP 4710833B2
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- film
- polypropylene polymer
- adhesive
- polymer film
- pressure
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- 229920001155 polypropylene Polymers 0.000 title claims description 61
- 239000004743 Polypropylene Substances 0.000 title claims description 58
- 229920006254 polymer film Polymers 0.000 title claims description 54
- 239000002313 adhesive film Substances 0.000 title claims description 25
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims description 41
- 238000001035 drying Methods 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 29
- 239000000853 adhesive Substances 0.000 claims description 19
- 230000001070 adhesive effect Effects 0.000 claims description 19
- 238000004519 manufacturing process Methods 0.000 claims description 15
- 239000012298 atmosphere Substances 0.000 claims description 14
- 238000002835 absorbance Methods 0.000 claims description 11
- 239000012790 adhesive layer Substances 0.000 claims description 5
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- 230000008569 process Effects 0.000 claims description 5
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- 238000004804 winding Methods 0.000 claims description 4
- 239000000178 monomer Substances 0.000 description 23
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- 239000003431 cross linking reagent Substances 0.000 description 14
- 239000010410 layer Substances 0.000 description 14
- 125000000524 functional group Chemical group 0.000 description 11
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- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
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- 244000043261 Hevea brasiliensis Species 0.000 description 2
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- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 2
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- VGHSXKTVMPXHNG-UHFFFAOYSA-N 1,3-diisocyanatobenzene Chemical compound O=C=NC1=CC=CC(N=C=O)=C1 VGHSXKTVMPXHNG-UHFFFAOYSA-N 0.000 description 1
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- VZXPHDGHQXLXJC-UHFFFAOYSA-N 1,6-diisocyanato-5,6-dimethylheptane Chemical compound O=C=NC(C)(C)C(C)CCCCN=C=O VZXPHDGHQXLXJC-UHFFFAOYSA-N 0.000 description 1
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- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 1
- JKNCOURZONDCGV-UHFFFAOYSA-N 2-(dimethylamino)ethyl 2-methylprop-2-enoate Chemical compound CN(C)CCOC(=O)C(C)=C JKNCOURZONDCGV-UHFFFAOYSA-N 0.000 description 1
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- SYEWHONLFGZGLK-UHFFFAOYSA-N 2-[1,3-bis(oxiran-2-ylmethoxy)propan-2-yloxymethyl]oxirane Chemical compound C1OC1COCC(OCC1OC1)COCC1CO1 SYEWHONLFGZGLK-UHFFFAOYSA-N 0.000 description 1
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- KUAUJXBLDYVELT-UHFFFAOYSA-N 2-[[2,2-dimethyl-3-(oxiran-2-ylmethoxy)propoxy]methyl]oxirane Chemical compound C1OC1COCC(C)(C)COCC1CO1 KUAUJXBLDYVELT-UHFFFAOYSA-N 0.000 description 1
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- 239000000600 sorbitol Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 125000001302 tertiary amino group Chemical group 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- 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 1
- 239000013638 trimer Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
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- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
- C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09J133/062—Copolymers with monomers not covered by C09J133/06
- C09J133/066—Copolymers with monomers not covered by C09J133/06 containing -OH groups
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- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
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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
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/24—Plastics; Metallised plastics based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/241—Polyolefin, e.g.rubber
- C09J7/243—Ethylene or propylene polymers
-
- 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
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
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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
- C08L2312/00—Crosslinking
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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
- C09J2301/312—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 parameters being the characterizing feature
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
- Y10T428/31909—Next to second addition polymer from unsaturated monomers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
- Y10T428/31909—Next to second addition polymer from unsaturated monomers
- Y10T428/31913—Monoolefin polymer
Description
このような問題点を解決したフィルムとして、前記特許文献3に記載のポリプロピレン系フィルムが提案されている。しかし、この方法では、90℃以上の乾燥工程、例えばトルエンの沸点である110℃〜120℃の乾燥工程で使用する際に剛性が不足する場合があり、エアーフローティング方式の乾燥工程では使用できないため、依然として問題が残る。
結晶化度(%)=109×((D998−D917)/(D972−D917))−31.4 ・・・・・・(1)
(但し、式中、D998、D972及びD917は、それぞれ、998cm−1、972cm−1及び917cm−1における吸光度を示す。)
結晶化度(%)=109×((D998−D917)/(D972−D917))−31.4 ・・・・・・(1)
(但し、式中、D998、D972及びD917は、それぞれ、998cm−1、972cm−1及び917cm−1における吸光度を示す。)
結晶化度(%)=109×((D998−D917)/(D972−D917))−31.4・・・(1)
アクリル酸2−ヒドロキシエチル、アクリル酸2−ヒドロキシブチル、メタクリル酸2−ヒドロキシプロピル、メタクリル酸2−ヒドロキシエチルなどのアクリル酸又はメタクリル酸のヒドロキシアルキルエステルなど。
アクリル酸、メタクリル酸、無水マレイン酸、イタコン酸など。
アクリルアミド、メタクリルアミドジアセトノアクリルアミド、N−メチロールアクリルアミド、N−メチロールメタクリルアミドなど。
ジメチルアミノエチルアクリレート、ジメチルアミノエチルメタクリレートなどのアクリル酸又はメタクリル酸のジアルキルアミノアルキルエステルなど。
グリシジルアクリレート、グリシジルメタクリレートなど。
<ポリプロピレンフィルの作製>
ポリプロピレン重合体フィルムの原料として、エチレン−プロピレンブロック共重合体(エチレン含有量:6重量%、MFR(Melt flow rate):2.0g/10分、密度:0.90g/cm3)を用い、これをTダイ押出方式(条件:溶融温度250℃、押し出し後の冷却ロール温度60℃)にて製膜して、厚さ40μmの無延伸ポリプロピレン重合体フィルムを作製した。その後、得られたポリプロピレン重合体フィルムの片面にコロナ処理を施した。
アクリル系粘着剤(官能基;水酸基、綜研化学株式会社製、SKダイン1473H)64重量部、イソシアネート架橋剤(日本ポリウレタン工業株式会社製、コロネートL45E)2重量部、トルエン34重量部配合し、濃度30重量%の粘着剤溶液を得た。この粘着剤溶液を、上記で得たポリプロピレン重合体フィルムのコロナ処理面上に、乾燥後の厚さが10μmになるようにコンマコーターを用いて塗布したあと、エアーフローティング方式の乾燥炉で100℃、3分熱風乾燥して粘着フィルムを作製した。その後、得られた粘着フィルムを張力98N/mで紙管に巻き取って粘着フィルムロールを得た。
ポリプロピレン重合体フィルムの原料として、ポリプロピレン樹脂(MFR:7.0g/10分、密度:0.90g/cm3)を用いた以外は、実施例1と同様にしてポリプロピレン重合体フィルムおよび粘着フィルムを作製した。
ポリプロピレン重合体フィルムの原料として、エチレン−プロピレンブロック共重合体(エチレン含有量:5重量%、MFR:2.6g/10分、密度:0.90g/cm3)を用いた以外は、実施例1と同様にしてポリプロピレン重合体フィルムおよび粘着フィルムを作製した。
製膜時の冷却ロール温度を40℃に変更してポリプロピレン重合体フィルムを急冷した以外は、実施例1と同様にしてポリプロピレン重合体フィルムおよび粘着フィルムを作製した。
ポリプロピレン重合体フィルムとして、片面にシリコーン樹脂層を設けた2軸延伸ポリプロピレン重合体フィルム(王子製紙株式会社製、40RL−01、厚み40μm)を用い、当該シリコーン樹脂層とは反対の面にコロナ処理を施したこと以外は、実施例1と同様にして粘着フィルムを作製した。
引張弾性率はJIS K 7113に準じてポリプロピレン重合体フィルム(粘着剤は塗布されていない)の縦方向(MD)と横方向(TD)について測定した。測定は、フィルム試料の温度を安定させるため23℃雰囲気下および120℃雰囲気下に各々5分間放置したあと、引張り試験機(株式会社オリエンテック製、RTC−1210型)を用いて測定した。また、フィルムの弾性率としては、MDの引張弾性率とTDの引張弾性率のうち小さいほうの値を使用した。
ポリプロピレン重合体フィルムの吸光度を赤外分光光度計(株式会社島津製作所製、FTIR−4200型)を用いて測定し、その結果から各波長毎の吸光度を読み取り、下記(1)式を用いて結晶化度を計算した。
結晶化度(%)=109×((D998−D917)/(D972−D917))−31.4・・・(1)
(但し、式中、D998、D972及びD917は、それぞれ、998cm−1、972cm−1及び917cm−1における吸光度を示す。)。
製造時(特に乾燥工程時)等に発生しうるポリプロピレン重合体フィルムのシワや伸び等について、次の通り評価した。
○ :シワや伸び等の不具合なし。またはフィルムにシワが入っても、シワ伸ばしロールで改善できるため問題なし。
× :フィルムにシワが入った場合、シワ伸ばしロールで改善できない。
××:乾燥工程でフィルムが伸びてしまう。
Claims (5)
- 23℃雰囲気下における引張弾性率が300MPa〜1000MPaであって、且つ、120℃雰囲気下における引張弾性率が60MPa〜120MPaであり、
プロピレンが含有量80重量%以上のプロピレン系重合体からなり、且つ製造時に延伸工程を経ていない無延伸フィルムであるポリプロピレン重合体フィルムと、
前記ポリプロピレン重合体フィルムの片面または両面に形成された粘着剤層と、を有することを特徴とする粘着フィルム。 - 前記ポリプロピレン重合体フィルムが、赤外分光光度計で測定した吸光度を用いて、下記(1)式で計算した結晶化度が65%以上73%以下である請求項1記載の粘着フィルム。
結晶化度(%)=109×((D998−D917)/(D972−D917))−31.4 ・・・・・・(1)
(但し、式中、D998、D972及びD917は、それぞれ、998cm−1、972cm−1及び917cm−1における吸光度を示す。) - 前記ポリプロピレン重合体フィルムを支持体とし、該支持体の片面または両面に粘着剤を塗布して粘着剤層を形成する工程、および
前記塗布された粘着剤を乾燥する工程、
を含むことを特徴とする請求項1又は2に記載の粘着フィルムの製造方法。 - 前記粘着剤を乾燥する工程における乾燥温度が80〜120℃であることを特徴とする請求項3記載の粘着フィルムの製造方法。
- さらに、粘着剤が塗布、乾燥されたポリプロピレン重合体フィルムを巻き取る工程を含むことを特徴とする請求項3又は4記載の粘着フィルムの製造方法。
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JP2011148943A (ja) * | 2010-01-25 | 2011-08-04 | Nitto Denko Corp | 保護シートおよびその利用 |
WO2012020675A1 (ja) * | 2010-08-11 | 2012-02-16 | 東洋紡績株式会社 | 表面保護用フィルムおよびその製造方法 |
JP5893598B2 (ja) * | 2013-10-17 | 2016-03-23 | 日清食品ホールディングス株式会社 | 熱可塑性樹脂シート及び成形体 |
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- 2005-11-24 KR KR1020077010053A patent/KR100949559B1/ko active IP Right Grant
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- 2005-11-24 WO PCT/JP2005/021573 patent/WO2006057294A1/ja active Application Filing
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JPH10237239A (ja) * | 1996-10-31 | 1998-09-08 | Sumitomo Bakelite Co Ltd | 熱成形用樹脂組成物及びシート |
JPH10259257A (ja) * | 1997-03-21 | 1998-09-29 | Tokuyama Corp | ポリプロピレン系フィルム |
JPH111584A (ja) * | 1997-04-16 | 1999-01-06 | Idemitsu Petrochem Co Ltd | プロピレン系重合体組成物及びそれからなるフィルム |
JP2000229345A (ja) * | 1999-02-09 | 2000-08-22 | Daiya Plastic Kk | 印刷性の良好な熱可塑性樹脂フィルムおよびその製造方法 |
JP2001122984A (ja) * | 1999-10-26 | 2001-05-08 | Idemitsu Petrochem Co Ltd | ポリプロピレン系フィルム |
JP2001145988A (ja) * | 1999-11-18 | 2001-05-29 | Idemitsu Petrochem Co Ltd | ポリオレフィン樹脂多層積層体 |
JP2003249791A (ja) * | 2002-02-25 | 2003-09-05 | Hitachi Chem Co Ltd | ディスプレイ用光透過性電磁波シールドフィルタ及びその基材とその製造方法 |
Also Published As
Publication number | Publication date |
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EP1834982B1 (en) | 2012-10-31 |
US20080020204A1 (en) | 2008-01-24 |
KR20070060146A (ko) | 2007-06-12 |
KR100949559B1 (ko) | 2010-03-25 |
EP1834982A1 (en) | 2007-09-19 |
CN101056919A (zh) | 2007-10-17 |
JPWO2006057294A1 (ja) | 2008-06-05 |
EP1834982A4 (en) | 2011-08-17 |
US7932341B2 (en) | 2011-04-26 |
PL1834982T3 (pl) | 2013-03-29 |
WO2006057294A1 (ja) | 2006-06-01 |
CN101056919B (zh) | 2012-05-09 |
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