JP2005171253A - 改善されたシェル被覆及び粘着防止特性のための親水性シェルを有するコア−シェルポリマー - Google Patents
改善されたシェル被覆及び粘着防止特性のための親水性シェルを有するコア−シェルポリマー Download PDFInfo
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- JP2005171253A JP2005171253A JP2004355327A JP2004355327A JP2005171253A JP 2005171253 A JP2005171253 A JP 2005171253A JP 2004355327 A JP2004355327 A JP 2004355327A JP 2004355327 A JP2004355327 A JP 2004355327A JP 2005171253 A JP2005171253 A JP 2005171253A
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- BCKXLBQYZLBQEK-KVVVOXFISA-M Sodium oleate Chemical compound [Na+].CCCCCCCC\C=C/CCCCCCCC([O-])=O BCKXLBQYZLBQEK-KVVVOXFISA-M 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- ULUAUXLGCMPNKK-UHFFFAOYSA-N Sulfobutanedioic acid Chemical class OC(=O)CC(C(O)=O)S(O)(=O)=O ULUAUXLGCMPNKK-UHFFFAOYSA-N 0.000 description 1
- DAKWPKUUDNSNPN-UHFFFAOYSA-N Trimethylolpropane triacrylate Chemical compound C=CC(=O)OCC(CC)(COC(=O)C=C)COC(=O)C=C DAKWPKUUDNSNPN-UHFFFAOYSA-N 0.000 description 1
- OKKRPWIIYQTPQF-UHFFFAOYSA-N Trimethylolpropane trimethacrylate Chemical compound CC(=C)C(=O)OCC(CC)(COC(=O)C(C)=C)COC(=O)C(C)=C OKKRPWIIYQTPQF-UHFFFAOYSA-N 0.000 description 1
- QEVFKCGFASMJMI-UHFFFAOYSA-M [Na+].O=C.[O-]O.CC(C)C1=CC=CC=C1 Chemical compound [Na+].O=C.[O-]O.CC(C)C1=CC=CC=C1 QEVFKCGFASMJMI-UHFFFAOYSA-M 0.000 description 1
- XTAGFKIZUCCRIY-UHFFFAOYSA-M [Na+].O=C.[O-]O.OSO.CC(C)C1=CC=CC=C1C(C)C Chemical compound [Na+].O=C.[O-]O.OSO.CC(C)C1=CC=CC=C1C(C)C XTAGFKIZUCCRIY-UHFFFAOYSA-M 0.000 description 1
- JYPKXWYQBSCZGE-UHFFFAOYSA-M [Na+].[O-]O.CC(C)C1=CC=CC=C1 Chemical compound [Na+].[O-]O.CC(C)C1=CC=CC=C1 JYPKXWYQBSCZGE-UHFFFAOYSA-M 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 150000003926 acrylamides Chemical class 0.000 description 1
- 125000001931 aliphatic group Chemical class 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium peroxydisulfate Substances [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 1
- VAZSKTXWXKYQJF-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)OOS([O-])=O VAZSKTXWXKYQJF-UHFFFAOYSA-N 0.000 description 1
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 1
- 239000012874 anionic emulsifier Substances 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 235000010323 ascorbic acid Nutrition 0.000 description 1
- 229960005070 ascorbic acid Drugs 0.000 description 1
- 239000011668 ascorbic acid Substances 0.000 description 1
- 238000004630 atomic force microscopy Methods 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- LKAVYBZHOYOUSX-UHFFFAOYSA-N buta-1,3-diene;2-methylprop-2-enoic acid;styrene Chemical compound C=CC=C.CC(=C)C(O)=O.C=CC1=CC=CC=C1 LKAVYBZHOYOUSX-UHFFFAOYSA-N 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- FWLDHHJLVGRRHD-UHFFFAOYSA-N decyl prop-2-enoate Chemical compound CCCCCCCCCCOC(=O)C=C FWLDHHJLVGRRHD-UHFFFAOYSA-N 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- HRKQOINLCJTGBK-UHFFFAOYSA-N dihydroxidosulfur Chemical class OSO HRKQOINLCJTGBK-UHFFFAOYSA-N 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 description 1
- 229910000397 disodium phosphate Inorganic materials 0.000 description 1
- 235000019800 disodium phosphate Nutrition 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- DUDCYUDPBRJVLG-UHFFFAOYSA-N ethoxyethane methyl 2-methylprop-2-enoate Chemical compound CCOCC.COC(=O)C(C)=C DUDCYUDPBRJVLG-UHFFFAOYSA-N 0.000 description 1
- ZWEDFBKLJILTMC-UHFFFAOYSA-N ethyl 4,4,4-trifluoro-3-hydroxybutanoate Chemical compound CCOC(=O)CC(O)C(F)(F)F ZWEDFBKLJILTMC-UHFFFAOYSA-N 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 150000002191 fatty alcohols Chemical class 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 229920001002 functional polymer Polymers 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 1
- 150000002430 hydrocarbons Chemical group 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- PBOSTUDLECTMNL-UHFFFAOYSA-N lauryl acrylate Chemical compound CCCCCCCCCCCCOC(=O)C=C PBOSTUDLECTMNL-UHFFFAOYSA-N 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229920001427 mPEG Polymers 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 description 1
- 125000005394 methallyl group Chemical group 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- YPHQUSNPXDGUHL-UHFFFAOYSA-N n-methylprop-2-enamide Chemical compound CNC(=O)C=C YPHQUSNPXDGUHL-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- KZCOBXFFBQJQHH-UHFFFAOYSA-N octane-1-thiol Chemical class CCCCCCCCS KZCOBXFFBQJQHH-UHFFFAOYSA-N 0.000 description 1
- 238000000879 optical micrograph Methods 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L persulfate group Chemical group S(=O)(=O)([O-])OOS(=O)(=O)[O-] JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 239000003505 polymerization initiator Substances 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- HSJXWMZKBLUOLQ-UHFFFAOYSA-M potassium;2-dodecylbenzenesulfonate Chemical compound [K+].CCCCCCCCCCCCC1=CC=CC=C1S([O-])(=O)=O HSJXWMZKBLUOLQ-UHFFFAOYSA-M 0.000 description 1
- FBCQUCJYYPMKRO-UHFFFAOYSA-N prop-2-enyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCC=C FBCQUCJYYPMKRO-UHFFFAOYSA-N 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000010420 shell particle Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- BTURAGWYSMTVOW-UHFFFAOYSA-M sodium dodecanoate Chemical compound [Na+].CCCCCCCCCCCC([O-])=O BTURAGWYSMTVOW-UHFFFAOYSA-M 0.000 description 1
- 229940082004 sodium laurate Drugs 0.000 description 1
- RYYKJJJTJZKILX-UHFFFAOYSA-M sodium octadecanoate Chemical compound [Na+].CCCCCCCCCCCCCCCCCC([O-])=O RYYKJJJTJZKILX-UHFFFAOYSA-M 0.000 description 1
- 229940045870 sodium palmitate Drugs 0.000 description 1
- 229940080350 sodium stearate Drugs 0.000 description 1
- GGXKEBACDBNFAF-UHFFFAOYSA-M sodium;hexadecanoate Chemical compound [Na+].CCCCCCCCCCCCCCCC([O-])=O GGXKEBACDBNFAF-UHFFFAOYSA-M 0.000 description 1
- 230000003381 solubilizing effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 125000003011 styrenyl group Chemical group [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 150000003871 sulfonates Chemical class 0.000 description 1
- 125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical compound CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 150000007934 α,β-unsaturated carboxylic acids Chemical class 0.000 description 1
Classifications
-
- 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
- C08J3/12—Powdering or granulating
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L51/04—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to rubbers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/12—Polymerisation in non-solvents
- C08F2/16—Aqueous medium
- C08F2/22—Emulsion polymerisation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F265/00—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00
- C08F265/04—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00 on to polymers of esters
- C08F265/06—Polymerisation of acrylate or methacrylate esters on to polymers thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F285/00—Macromolecular compounds obtained by polymerising monomers on to preformed graft polymers
-
- 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
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2989—Microcapsule with solid core [includes liposome]
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Graft Or Block Polymers (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Polymerisation Methods In General (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
【解決手段】 本発明は、親水性コポリマーシェルを有し、75〜95重量%の高いコア材料レベルを有するコア−シェルポリマーに関する。
この親水性シェルは、コアのより一層良好な被覆を提供し、その結果、粘着防止性のようなより一層良好な粉末特性をもたらす。この親水性シェルはまた、より一層薄いシェル及びより大きい弾性コアをも可能にする。本発明のコア−シェルポリマーは特にプラスチック材料用の耐衝撃性改良剤として有用である。
【選択図】 図1
Description
・弾性ポリマーを含むコア75〜95重量%(ここで、前記弾性ポリマーは、20℃より低いガラス転移温度を有する);並びに
・コポリマーシェル5〜25重量%(ここで、前記シェルコポリマーは、1種又は2種以上の親水性モノマー及び該親水性モノマーと共重合可能な少なくとも1種の他のモノマーから誘導され、前記親水性モノマーは前記シェルポリマーが誘導されるモノマー群(即ちシェルポリマーの原料となるモノマー群)の0.5〜30重量%を占め、該親水性シェルコポリマーは前記シェルの少なくとも5重量%を占める)
を含むコア−シェルポリマー粒子の合成によって満たされた。
(a)非弾性で比較的硬質の第1段:
これは、25℃より高いガラス転移温度を有し、50〜85重量%のレベルのメタクリル酸メチルモノマー及びアルキル基が1〜8個の炭素原子から成り1〜50重量%のレベルで存在するその他のアクリル酸アルキル又はメタクリル酸アルキルを、共重合可能な多官能性架橋用モノマー0〜10重量%及び実質的に異なる速度で重合反応に参加する2個又はそれ以上の付加重合可能な不飽和反応性基を有する共重合可能なグラフト化用モノマー(例えばα,β−不飽和カルボン酸又は二酸のアリル、メタリル又はクロチルエステル)0〜10重量%と共に含有する混合物から重合させたものである;
(b)中間弾性段:
これは、前記第1段を含有する生成物の存在下で、アルキル基が1〜8個の炭素原子を有するアクリル酸アルキル及び/又はメタクリル酸アルキル50〜99.9重量%、共重合可能なモノエチレン性不飽和モノマー0〜49.9重量%、共重合可能な多官能性架橋用モノマー0〜5.0重量%、並びに上に記載したような共重合可能なグラフト化用モノマー0.05〜5.0重量%を含むモノマー混合物から重合させたものである(この弾性段は、第1段を含有する生成物の不在下でこれらのモノマーを重合させた場合には25℃又はそれ未満のガラス転移温度を示すことをさらに特徴とする);並びに
(c)比較的硬質の最終段:
これは、第1段及び第2段を含有する生成物の存在下で、(a)に記載したモノマーに親水性モノマーを(好ましくはこの3番目の段中の全モノマーに対して0.5〜30重量%のレベル、特に好ましくは1〜20重量%のレベルで)特別に添加した混合物から重合させたものである。
以下の手順を用いて、硬質コア、弾性軟質層及び硬質最終シェルを有する多段耐衝撃性改良剤(図3)を合成した。これら3つの段の比は35/45/20であり、各ポリマー段は1.460〜1.500の範囲の屈折率を有していた。3つの段の組成は次の通りだった。
第1段:74.8/25/0.2 MMA/EA/ALMA
第2段:83.5/15.5/1.0 BA/Sty/ALMA
第3段:95/5 MMA/EA
(ここで、MMA=メタクリル酸メチル
EA=アクリル酸エチル
BA=アクリル酸ブチル
Sty=スチレン
ALMA=メタクリル酸アリル
である。)
このポリマーは、異なる段組成比を有することを除いて、例1と同様の態様で調製した:3つの段の比は35/45/20だった。これらの段の組成は、次の通りだった。
第1段:74.8/25/0.2 MMA/EA/ALMA
第2段:83.5/15.5/1.0 BA/Sty/ALMA
第3段:(95−X)/5/X MMA/EA/HEMA
(ここで、X=5
HEMA=メタクリル酸2−ヒドロキシエチル
である。)
X=10であること以外は、例2と同じ。
組成中のHEMAをHEA(=アクリル酸2−ヒドロキシエチル)に置き換えたこと以外は、例2と同じ。
例1〜4のポリマーを凝集、凍結乾燥又は噴霧乾燥によって単離し、次いで押出機を用いて溶融状態のポリ(メチルメタクリレート−コ−エチルアクリレート)マトリックスとブレンドした(50/50比)。例5〜8のサンプルを表1に従って調製した。
第1段の組成をMMA/EA/ALMAについて87.8/12.0/0.2にしたことを除いて、例1と同じ。
第1段の組成をMMA/EA/ALMAについて87.8/12.0/0.2にしたことを除いて、例2と同じ。
5リットルのフラスコに脱イオン水1053.97及びリン酸水素ナトリウム3.66gを添加する。この内容物を窒素でガス抜きする。次いで反応器中の内容物の温度を140rpmの撹拌速度を保ちながら178°F(81.1℃)にし、その後にこの反応器に74.42gのアクリル酸2−エチルヘキシル、2.21gのスチレン、0.085gのブタンジオールジアクリレート、0.084gのマレイン酸ジアリル、0.82gのドデシルスルホコハク酸ナトリウム(水中に75重量%)及び52.75gの脱イオン水を予備エマルションの形で添加する。水21.71g中の過硫酸カリウム0.90gを開始剤として反応器中に注入する。この混合物を178°F(81.1℃)に30分間保つ。
5リットルの反応器に例11に従って作られたラテックス2757.07g及び水425.73gを添加する。160rpmにおいて撹拌しながら、反応器中の内容物の温度を178°F(81.1℃)にする。この反応器に水9.90g中のナトリウムホルムアルデヒドスルホキシレート0.47gを添加し、そのすぐ後にメタクリル酸メチル228g、メタクリル酸グリシジル12g及びジイソプロピルベンゼンヒドロペルオキシド3.6gの混合物を1時間かけてこの反応器に添加する。
5リットルの反応器に例11に従って作られたラテックス2757.07g及び水425.73gを添加する。160rpmにおいて撹拌しながら、反応器中の内容物の温度を178°F(81.1℃)にする。この反応器に水9.90g中のナトリウムホルムアルデヒドスルホキシレート0.47gを添加し、そのすぐ後にメタクリル酸メチル216g、メタクリル酸ヒドロキシエチル12g、メタクリル酸グリシジル12g及びジイソプロピルベンゼンヒドロペルオキシド3.6gの混合物を1時間かけてこの反応器に添加する。
b・・・弾性ポリマー部分
c・・・硬質親水性コポリマーシェル
1、4、7・・・弾性ポリマー部分
2、3、5、6、8、9・・・硬質(ガラス状)ポリマー部分
Claims (11)
- (a)弾性ポリマーを含むコア75〜95重量%、好ましくは80〜95重量%;及び
(b)コポリマーシェル5〜25重量%、好ましくは5〜20重量%:
を含むコア−シェルポリマーであって、
前記弾性ポリマーは、25℃より低いガラス転移温度を有し、
前記シェルのポリマーは、親水性モノマー及び該親水性モノマーと共重合可能な少なくとも1種の他のモノマーから誘導され、
前記親水性モノマーは前記シェルポリマーが誘導されるモノマー群の0.5〜30重量%を占め、
該親水性シェルコポリマーは前記シェルの少なくとも5重量%を占める、
前記コア−シェルポリマー。 - 前記コアが少なくとも2つの段を含み、その内の1つの段が25℃より高いTgを有する、請求項1に記載のコア−シェルポリマー。
- 前記親水性コポリマーシェル層が最外弾性コア層のすぐ外側にある、請求項1に記載のコア−シェルポリマー。
- 前記ポリマーが乳化重合によって形成された、請求項1に記載のコア−シェルポリマー。
- 前記ポリマーが乾燥粉末である、請求項1に記載のコア−シェルポリマー。
- 前記粉末が噴霧乾燥によって乾燥させたものである、請求項5に記載のコア−シェルポリマー。
- 前記親水性モノマーがメタクリル酸2−ヒドロキシルエチル、アクリル酸2−ヒドロキシルエチル、メタクリル酸、アクリル酸及びそれらの混合物より成る群から選択される、請求項1に記載のコア−シェルポリマー。
- (a)請求項1に記載のポリマー 0.5〜77重量%;及び
(b)エンジニアリングプラスチック 30〜99重量%:
を含む、耐衝撃性を改良されたエンジニアリングプラスチック。 - 前記プラスチックがポリ塩化ビニル、塩素化ポリ塩化ビニル、ポリメタクリル酸メチル、ポリ(メチルメタクリレート−コ−エチルアクリレート)熱可塑性プラスチック、ポリアルキレンテレフタレート、ポリアミド及びポリカーボネートより成る群から選択される、請求項8に記載の耐衝撃性を改良されたエンジニアリングプラスチック。
- コア材料を多量に有する自由流動性コア−シェルポリマー粉末の製造方法であって、
(a)フリーラジカル乳化重合によって
(1)弾性ポリマーを含むコア75〜95重量%(ここで、前記弾性ポリマーは自由流動性粉末を形成させるために25℃より低いガラス転移温度を有する);
(2)コポリマーシェル5〜25重量%(ここで、前記シェルポリマーは、親水性モノマー及び該親水性モノマーと共重合可能な少なくとも1種の他のモノマーから誘導され、前記親水性モノマーは前記シェルポリマーが誘導されるモノマー群の0.5〜30重量%を占め、該親水性シェルコポリマーは前記シェルの少なくとも5重量%を占める)
を有するコア−シェルポリマーを形成させ;
(b)このエマルションポリマーを乾燥させて自由流動性粉末を形成させる:
ことを含む、前記製造方法。 - 前記乾燥が噴霧乾燥を含む、請求項10に記載の方法。
Applications Claiming Priority (2)
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US52823903P | 2003-12-09 | 2003-12-09 | |
US10/980,720 US7195820B2 (en) | 2003-12-09 | 2004-11-03 | Core-shell polymers having hydrophilic shells for improved shell coverage and anti-blocking properties |
Publications (2)
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JP2005171253A true JP2005171253A (ja) | 2005-06-30 |
JP4677225B2 JP4677225B2 (ja) | 2011-04-27 |
Family
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JP2004355327A Expired - Fee Related JP4677225B2 (ja) | 2003-12-09 | 2004-12-08 | 改善されたシェル被覆及び粘着防止特性のための親水性シェルを有するコア−シェルポリマー |
Country Status (10)
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US (1) | US7195820B2 (ja) |
EP (1) | EP1541603A1 (ja) |
JP (1) | JP4677225B2 (ja) |
KR (1) | KR101188115B1 (ja) |
BR (1) | BRPI0405451B1 (ja) |
CA (1) | CA2489937C (ja) |
MX (1) | MXPA04012445A (ja) |
MY (1) | MY139084A (ja) |
SG (1) | SG112959A1 (ja) |
TW (1) | TWI364437B (ja) |
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WO2018169309A3 (ko) * | 2017-03-15 | 2018-11-08 | 한화케미칼 주식회사 | 에멀젼, 에멀젼의 제조 방법 및 에멀젼을 이용한 코팅막 형성 방법 |
CN110402257B (zh) * | 2017-03-15 | 2021-09-24 | 韩华化学株式会社 | 乳液、乳液的制备方法及使用乳液形成涂膜的方法 |
JP7488653B2 (ja) | 2017-03-15 | 2024-05-22 | ハンファ ケミカル コーポレーション | エマルジョン、エマルジョンの製造方法、及びエマルジョンを用いたコーティング膜の形成方法 |
WO2019131374A1 (ja) | 2017-12-25 | 2019-07-04 | 三菱ケミカル株式会社 | ゴム含有グラフト重合体、ゴム含有グラフト重合体含有樹脂組成物およびその成形体 |
KR20200062344A (ko) | 2017-12-25 | 2020-06-03 | 미쯔비시 케미컬 주식회사 | 고무 함유 그래프트 중합체, 고무 함유 그래프트 중합체 함유 수지 조성물 및 그의 성형체 |
US11634574B2 (en) | 2017-12-25 | 2023-04-25 | Mitsubishi Chemical Corporation | Rubber-containing graft polymer, resin composition containing rubber-containing graft polymer, and shaped article of same |
Also Published As
Publication number | Publication date |
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TW200526727A (en) | 2005-08-16 |
MXPA04012445A (es) | 2007-04-23 |
KR101188115B1 (ko) | 2012-10-09 |
CA2489937A1 (en) | 2005-06-09 |
US20050154140A1 (en) | 2005-07-14 |
TWI364437B (en) | 2012-05-21 |
SG112959A1 (en) | 2005-07-28 |
US7195820B2 (en) | 2007-03-27 |
JP4677225B2 (ja) | 2011-04-27 |
EP1541603A1 (en) | 2005-06-15 |
KR20050056158A (ko) | 2005-06-14 |
BRPI0405451A (pt) | 2005-07-12 |
CA2489937C (en) | 2011-07-12 |
BRPI0405451B1 (pt) | 2016-03-08 |
MY139084A (en) | 2009-08-28 |
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