JP2022166032A - (メタ)アクリルポリマーを含む架橋性組成物及び架橋組成物の製造方法 - Google Patents
(メタ)アクリルポリマーを含む架橋性組成物及び架橋組成物の製造方法 Download PDFInfo
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- JP2022166032A JP2022166032A JP2022120128A JP2022120128A JP2022166032A JP 2022166032 A JP2022166032 A JP 2022166032A JP 2022120128 A JP2022120128 A JP 2022120128A JP 2022120128 A JP2022120128 A JP 2022120128A JP 2022166032 A JP2022166032 A JP 2022166032A
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- 150000007513 acids Chemical class 0.000 description 1
- 150000003926 acrylamides Chemical class 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 125000005073 adamantyl group Chemical group C12(CC3CC(CC(C1)C3)C2)* 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 125000001931 aliphatic group Chemical class 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 125000000732 arylene group Chemical group 0.000 description 1
- 125000000499 benzofuranyl group Chemical group O1C(=CC2=C1C=CC=C2)* 0.000 description 1
- 125000001164 benzothiazolyl group Chemical group S1C(=NC2=C1C=CC=C2)* 0.000 description 1
- 150000001565 benzotriazoles Chemical class 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 239000004305 biphenyl Chemical group 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- RFVHVYKVRGKLNK-UHFFFAOYSA-N bis(4-methoxyphenyl)methanone Chemical compound C1=CC(OC)=CC=C1C(=O)C1=CC=C(OC)C=C1 RFVHVYKVRGKLNK-UHFFFAOYSA-N 0.000 description 1
- ZWPWLKXZYNXATK-UHFFFAOYSA-N bis(4-methylphenyl)methanone Chemical compound C1=CC(C)=CC=C1C(=O)C1=CC=C(C)C=C1 ZWPWLKXZYNXATK-UHFFFAOYSA-N 0.000 description 1
- 238000010504 bond cleavage reaction Methods 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- OCWYEMOEOGEQAN-UHFFFAOYSA-N bumetrizole Chemical compound CC(C)(C)C1=CC(C)=CC(N2N=C3C=C(Cl)C=CC3=N2)=C1O OCWYEMOEOGEQAN-UHFFFAOYSA-N 0.000 description 1
- 150000007942 carboxylates Chemical class 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- HNEGQIOMVPPMNR-IHWYPQMZSA-N citraconic acid Chemical compound OC(=O)C(/C)=C\C(O)=O HNEGQIOMVPPMNR-IHWYPQMZSA-N 0.000 description 1
- 229940018557 citraconic acid Drugs 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- LDHQCZJRKDOVOX-NSCUHMNNSA-N crotonic acid Chemical compound C\C=C\C(O)=O LDHQCZJRKDOVOX-NSCUHMNNSA-N 0.000 description 1
- 125000006165 cyclic alkyl group Chemical group 0.000 description 1
- 125000000753 cycloalkyl group Chemical group 0.000 description 1
- 125000000582 cycloheptyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- OIWOHHBRDFKZNC-UHFFFAOYSA-N cyclohexyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC1CCCCC1 OIWOHHBRDFKZNC-UHFFFAOYSA-N 0.000 description 1
- 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 1
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000000295 emission spectrum Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 description 1
- FKIRSCKRJJUCNI-UHFFFAOYSA-N ethyl 7-bromo-1h-indole-2-carboxylate Chemical compound C1=CC(Br)=C2NC(C(=O)OCC)=CC2=C1 FKIRSCKRJJUCNI-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 230000005281 excited state Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- 125000002541 furyl group Chemical group 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 125000004474 heteroalkylene group Chemical group 0.000 description 1
- LNCPIMCVTKXXOY-UHFFFAOYSA-N hexyl 2-methylprop-2-enoate Chemical compound CCCCCCOC(=O)C(C)=C LNCPIMCVTKXXOY-UHFFFAOYSA-N 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical class I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
- 125000002883 imidazolyl group Chemical group 0.000 description 1
- 125000001041 indolyl group Chemical group 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000002734 metacrylic acid derivatives Chemical class 0.000 description 1
- 125000005395 methacrylic acid group Chemical group 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- XJRBAMWJDBPFIM-UHFFFAOYSA-N methyl vinyl ether Chemical compound COC=C XJRBAMWJDBPFIM-UHFFFAOYSA-N 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- RCLLINSDAJVOHP-UHFFFAOYSA-N n-ethyl-n',n'-dimethylprop-2-enehydrazide Chemical class CCN(N(C)C)C(=O)C=C RCLLINSDAJVOHP-UHFFFAOYSA-N 0.000 description 1
- 125000003136 n-heptyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- AWGZKFQMWZYCHF-UHFFFAOYSA-N n-octylprop-2-enamide Chemical class CCCCCCCCNC(=O)C=C AWGZKFQMWZYCHF-UHFFFAOYSA-N 0.000 description 1
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 125000002868 norbornyl group Chemical group C12(CCC(CC1)C2)* 0.000 description 1
- TWCBCCIODCKPGX-UHFFFAOYSA-N octyl 2-[4-[4,6-bis(4-phenylphenyl)-1,3,5-triazin-2-yl]-3-hydroxyphenoxy]propanoate Chemical compound OC1=CC(OC(C)C(=O)OCCCCCCCC)=CC=C1C1=NC(C=2C=CC(=CC=2)C=2C=CC=CC=2)=NC(C=2C=CC(=CC=2)C=2C=CC=CC=2)=N1 TWCBCCIODCKPGX-UHFFFAOYSA-N 0.000 description 1
- NZIDBRBFGPQCRY-UHFFFAOYSA-N octyl 2-methylprop-2-enoate Chemical compound CCCCCCCCOC(=O)C(C)=C NZIDBRBFGPQCRY-UHFFFAOYSA-N 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 125000002971 oxazolyl group Chemical group 0.000 description 1
- 125000005561 phenanthryl group Chemical group 0.000 description 1
- LYXOWKPVTCPORE-UHFFFAOYSA-N phenyl-(4-phenylphenyl)methanone Chemical compound C=1C=C(C=2C=CC=CC=2)C=CC=1C(=O)C1=CC=CC=C1 LYXOWKPVTCPORE-UHFFFAOYSA-N 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 238000011417 postcuring Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- NHARPDSAXCBDDR-UHFFFAOYSA-N propyl 2-methylprop-2-enoate Chemical compound CCCOC(=O)C(C)=C NHARPDSAXCBDDR-UHFFFAOYSA-N 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 125000004076 pyridyl group Chemical group 0.000 description 1
- 125000000168 pyrrolyl group Chemical group 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 125000006413 ring segment Chemical group 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 238000012722 thermally initiated polymerization Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 125000000335 thiazolyl group Chemical group 0.000 description 1
- 125000001544 thienyl group Chemical group 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 description 1
- 150000003918 triazines Chemical class 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- ZTWTYVWXUKTLCP-UHFFFAOYSA-N vinylphosphonic acid Chemical compound OP(O)(=O)C=C ZTWTYVWXUKTLCP-UHFFFAOYSA-N 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/07—Aldehydes; Ketones
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/0025—Crosslinking or vulcanising agents; including accelerators
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/005—Stabilisers against oxidation, heat, light, ozone
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/45—Heterocyclic compounds having sulfur in the ring
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/56—Organo-metallic compounds, i.e. organic compounds containing a metal-to-carbon bond
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
- C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
- C08L33/10—Homopolymers or copolymers of methacrylic acid esters
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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
- 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
- C09J133/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
-
- 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
- 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
- C09J133/10—Homopolymers or copolymers of methacrylic acid esters
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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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2312/00—Crosslinking
- C08L2312/06—Crosslinking by radiation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2314/00—Polymer mixtures characterised by way of preparation
- C08L2314/06—Metallocene or single site catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polymerisation Methods In General (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
のうちの1つの可視光吸収化合物と、を含み、
途記載のない限り、アリール基及びヘテロアリール基は、一価又は多価、すなわち、一価アリール又は多価アリーレンであってもよい。
[実施例]
剪断接着強度
下記のASTM名称:D 3654/D 3654M-06:「感圧テープの剪断接着力(Shear Adhesion of Pressure-Sensitive Tapes)」に従って、0.5インチ(1.27センチメートル(cm))幅のストリップの接着剤を(4.5ポンド(2.04キログラム(kg))のローラを、各方向に2回用いて)ステンレス鋼パネル上に積層して、パネルの0.5インチ×1.0インチ(1.27cm×2.54cm)の領域を覆った。15分間の放置時間後に、試験サンプルを、制御された温度及び湿度の部屋(23℃及び50%相対湿度に)内の自動計時装置(automated timing apparatus)上に垂直に配置して、静荷重として1キログラムの重りを適用した。損傷までの時間を測定して、分単位で記録した。目標値は10,000分間であった。各試験片に関して、2つのサンプルを測定した。「10000+」という記録時間は、接着剤が10,000分後に損傷しなかったことを示す。サンプルが10,000分未満で損傷した場合、損傷モードは凝集力があった。
レオロジー解析を行い、照射されたサンプルの架橋度を測定した。-60℃から175℃の温度ランプで、パラレルプレート幾何学的配置(parallel plate geometry)の状態の2枚の8ミリメートル(mm)のステンレス鋼プレートを用いて、1ラジアン/秒の角周波数で、モデルAR2000レオメーター(TA Instrument(New Castle,DE))を振動モードで使用した。データを取得して、レオメーターに備え付けられたTRIOSアプリケーションソフトウェアを用いて分析した。125℃におけるタンデルタ値を架橋度の測定値として扱った。低い値側のタンデルタは大きい架橋度を示し、高い値側のタンデルタは小さい架橋度を示した。
アクリルベースポリマーを含有するパウチを、一般的にUS5804610の実施例23に記載されているとおりに、下記の表2に示すような組成を用いて調整した。モノマー量は重量%で報告され、他の材料の量は100部モノマー当たりの部(pph)として報告される。イソオクチルアクリレート(IOA)又は2-エチルヘキシルアクリレート(EHA)のいずれかとのアクリル酸(AA)の既知の化学重合に基づいて、結果として得られるアクリルベースポリマーは、ポリマー主鎖内に又はペンダント基として、何らかの炭素-炭素二重結合も含有しないこともある。更に、この技術による重合は1重量%未満の残留モノマーとなることが知られている。
10の加熱ゾーン、25ミリメートルのスクリュー直径、46のL/D(長さ/直径)比、及び300rpmのスクリュー速度を有する二軸押出成形機(TSE)で、アクリルベースポリマー及び、場合によっては、可視光活性化光開始剤のパウチを混合した。1ロット当たり、パージ用に140グラム、コーティング用に140グラムを含む280グラムのサンプルを用いた。全ての材料をTSEのバレル1に供給した。押出機とコーティングダイとの間で、ポリマー融解物は加熱したホース(140℃で)を通してギアポンプ(140℃で)によって計量した。そして、それは押出機とコーティングダイとの間に接合点(140℃で)を形成する。各ポリマー配合物を3分間混合して、シリコーンコーティングしたポリエステルテレフタレート(PET)剥離ライナーの剥離コーティング側上に0.003インチ(76.2マイクロメートル)の厚さでコーティングした。これを剥離ライナー1(RL1)とし、「高剥離」力を有していた。次に、第2の剥離ライナー(RL2)の剥離コーティングがポリマーと接触させるように、片面にシリコーン剥離コーティングを有する0.002インチ(50.8マイクロメートル)の厚さのPETフィルムをポリマー層の晒された面に積層した。RL2はRL1と比べて「低剥離」力を有していた。このようにして、いくつかの可視光活性化光開始剤を含む積層体と、いくつかの可視光活性化光開始剤を含まない積層体を得た。
ポリマー1及び可視光活性化光開始剤CPQを含有する積層体を、積層体にUV又は可視光源を照射することによって調製した。場合によっては、照射前にRL2を取り除いた。RL1及びRL2の両方が存在した場合、サンプルを「被覆面(closed face)」と呼び、RL1のみが存在した場合、サンプルを「開口面(open face)」と呼び、光源を開口面の上方に配置した。
CPQを含有してない比較例1~4を、実施例1~4に記載されるように調製して、剪断接着強度について評価した。
ポリマー2とCPQを含有する積層体に、実施例1~4に記載されるように、可視光源で照射した。照射は「被覆面」に行った。結果として得られる照射されたポリマーの架橋度を、前述の試験方法にて評価した。結果を下記の表3に示す。
CPQを含有してない比較例5を、実施例5に記載されるように調製して、架橋度について評価した。
ポリマー3と様々な可視光活性化光開始剤を含有する積層体に、実施例1~4に記載されるように、可視光源で照射した。照射は「被覆面」に行った。表4に、使用した光開始剤と量を、445ナノメートルでの光吸収、架橋メカニズムのタイプ、及び架橋度のそれぞれの結果とともに示す。
ポリマー3のみを含有し可視光活性化光開始剤を含有しない積層体に、実施例1~4に記載されるように可視光源で照射した。照射は「被覆面」に行った。照射された積層体の架橋度を、表4に報告する。
ポリマー3及びI819を含有する積層体に、実施例1~4に記載されるように可視光源で照射した。照射は「被覆面」に行った。使用したI819の量を、445ナノメートルでの光吸収、架橋メカニズムのタイプ、及び架橋度とともに表4に報告する。
Claims (17)
- 架橋性組成物であって、
(メタ)アクリレートポリマーと、
以下の式(I)、(II)、又は(III):
R1及びR2は、アルキル基、フェニル基、アルキル置換フェニル基、ヘテロ芳香族基、アルキル置換ヘテロ芳香族基から独立して選択され、R1及びR2は一緒になって、最大7個の炭素の環を形成してもよく、
R3及びR4は、H、ハロゲン、アルキル基、及びカルボキシル基から独立して選択され、
R5及びR6は、フェニル基、アルキル置換フェニル基、ヘテロ芳香族基、アルキル又は塩素置換ヘテロ芳香族基、及び式(IV)から独立して選択され、
R7はハロゲンであり、
R8はHであり、
R9はヘテロアリールであり、
R10はHであり、
R11はハロゲンである]
のうちの1つの可視光吸収化合物と、を含み、
前記架橋性組成物中の炭素-炭素結合の2%以下は二重結合である、架橋性組成物。 - (メタ)アクリレートポリマーを含む感圧性接着剤を含む、請求項1に記載の架橋性組成物。
- 前記(メタ)アクリレートポリマーは部分的に架橋されている、請求項1又は請求項2に記載の架橋性組成物。
- 前記2%以下の炭素-炭素二重結合は、(メタ)アクリレートポリマー主鎖結合、(メタ)アクリレートポリマーペンダント基結合、又は(メタ)アクリレートモノマー結合のうちの少なくとも1つを含む、請求項1~3のいずれか一項に記載の架橋性組成物。
- 前記可視光吸収化合物は、400nm~500nmの間にピーク吸収を有する、請求項1~4のいずれか一項に記載の架橋性組成物。
- R1及びR2はアルキル基及びフェニル基から独立して選択され、R1及びR2は、一緒になって最大7個の炭素の環を形成してもよい、請求項1~5のいずれか一項に記載の架橋性組成物。
- R3及びR4はH及びハロゲンから独立して選択される、請求項1~6のいずれか一項に記載の架橋性組成物。
- R5及びR6はそれぞれ式(IV)のものである、請求項1~7のいずれか一項に記載の架橋性組成物。
- 前記(メタ)アクリレートポリマーは、連鎖移動剤、極性モノマー、及び少なくとも1つのアルキル(メタ)アクリレートを含む重合性組成物の反応生成物を含む、請求項1~8のいずれか一項に記載の架橋性組成物。
- 前記重合性組成物は紫外線吸収化合物を更に含む、請求項9に記載の架橋性組成物。
- 前記(メタ)アクリレートポリマーは少なくとも1つの紫外線吸収官能基を含む、請求項1~10のいずれか一項に記載の架橋性組成物。
- 請求項1に記載の架橋性組成物を得ることと、
前記架橋性組成物を400nm以上の波長を有する放射線に晒すこととを含む、架橋組成物を製造する方法。 - 前記(メタ)アクリレートポリマーは、溶液重合、エマルション重合、懸濁重合、又はバルク重合によって形成される、請求項12に記載の方法。
- 前記放射線は、発光ダイオード、水銀ランプ、エキシマランプ、又はこれらの組み合わせによってもたらされる、請求項12又は請求項13に記載の方法。
- 前記放射線は400nm以上のピーク波長を有する発光ダイオードによってもたらされる、請求項14に記載の方法。
- 前記架橋性組成物を前記放射線に晒す間に、UV吸収及び可視光透過ポリマー又はガラスの層が、前記架橋性組成物と前記放射線との間に配置される、請求項12~15のいずれか一項に記載の方法。
- 架橋組成物を製造する方法であって、
(メタ)アクリレートポリマーと、紫外線吸収架橋剤化合物と、以下の式(I)、(II)、又は(III):
R1及びR2は、アルキル基、フェニル基、アルキル置換フェニル基、ヘテロ芳香族基、アルキル置換ヘテロ芳香族基から独立して選択され、R1及びR2は一緒になって最大7個の炭素の環を形成してもよく、
R3及びR4は、H、ハロゲン、アルキル基、及びカルボキシル基から独立して選択され、
R5及びR6は、フェニル基、アルキル置換フェニル基、ヘテロ芳香族基、アルキル又は塩素置換ヘテロ芳香族基、及び式(IV)から独立して選択され、
R7はハロゲンであり、
R8はHであり、
R9はヘテロアリールであり、
R10はHであり、
R11はハロゲンである]
のうちの1つの可視光吸収化合物を含む架橋性組成物であって、前記架橋性組成物中の炭素-炭素結合の2%以下は二重結合である、架橋性組成物を得ることと、
前記架橋性組成物を第1の放射線に晒して、部分的に架橋された架橋性組成物を形成することと、
前記部分的に架橋された架橋性組成物を第2の放射線に晒すこと、を含み、
前記第1の放射線と前記第2の放射線とは異なり、前記第1の放射線及び前記第2の一方は、400nm以上の波長を有し、他方は400nm未満の波長を有する、方法。
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