TW200940444A - A process to make a clay comprising charge-balancing organic ions, clays thus obtained, and nanocomposite materials comprising the same - Google Patents
A process to make a clay comprising charge-balancing organic ions, clays thus obtained, and nanocomposite materials comprising the same Download PDFInfo
- Publication number
- TW200940444A TW200940444A TW097149845A TW97149845A TW200940444A TW 200940444 A TW200940444 A TW 200940444A TW 097149845 A TW097149845 A TW 097149845A TW 97149845 A TW97149845 A TW 97149845A TW 200940444 A TW200940444 A TW 200940444A
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- Taiwan
- Prior art keywords
- anion
- double hydroxide
- layered double
- charge
- organic
- Prior art date
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- 238000000034 method Methods 0.000 title claims description 17
- 239000004927 clay Substances 0.000 title description 21
- 239000002114 nanocomposite Substances 0.000 title description 13
- 239000000463 material Substances 0.000 title description 12
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- MNWFXJYAOYHMED-UHFFFAOYSA-N heptanoic acid Chemical compound CCCCCCC(O)=O MNWFXJYAOYHMED-UHFFFAOYSA-N 0.000 claims 1
- 239000010410 layer Substances 0.000 description 10
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Classifications
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/14—Methods for preparing oxides or hydroxides in general
- C01B13/36—Methods for preparing oxides or hydroxides in general by precipitation reactions in aqueous solutions
- C01B13/366—Methods for preparing oxides or hydroxides in general by precipitation reactions in aqueous solutions by hydrothermal processing
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/78—Compounds containing aluminium, with or without oxygen or hydrogen, and containing two or more other elements
- C01F7/784—Layered double hydroxide, e.g. comprising nitrate, sulfate or carbonate ions as intercalating anions
- C01F7/785—Hydrotalcite
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/675—Oxides, hydroxides or carbonates
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/38—Coatings with pigments characterised by the pigments
- D21H19/385—Oxides, hydroxides or carbonates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/20—Two-dimensional structures
- C01P2002/22—Two-dimensional structures layered hydroxide-type, e.g. of the hydrotalcite-type
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/78—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by stacking-plane distances or stacking sequences
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L21/00—Compositions of unspecified rubbers
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Geology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Compositions Of Macromolecular Compounds (AREA)
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200940444 九、發明說明: 【發明所屬之技術領域】 本發明係關於包含電荷平衡有機陰離子之層狀雙氫氧化 物及其用途。本發明進一步關於包含此等層狀雙氫氧化物 之奈米複合材料及其用途。 【先前技術】 該等層狀雙氫氧化物(LDH)係技術中所知曉。多篇參考 文獻諸如 WO 00/09599、WO 99/35185 以及 Carlino(诼靡# 子學/SYaie ,98(1997),73-84 頁)揭示包含疏 水性有機陰離子之LDH,其可與疏水性基質諸如聚烯烴相 容。 技術中亦知曉包含更具親水性之有機陰離子之LDH,諸 如含羥基或含胺之單-及多元羧酸。該等層狀雙氫氧化物 揭示在(例如)US 2006/20069、US 2003/114699、US 5,578,286 以及 Hibino 等人(《/· Mater. Chem., 2005 J 15 » 653-656頁)中。此等參考文獻大致揭示該等LDH之製備, 該等LDH進一步含有大量基於二價或三價金屬離子之化合 物,諸如未轉化的原料例如水鎮石及/或勃姆石。此等污 染化合物通常會對其中使用此等LDH複合物之基質或介質 (例如在複合材料中)之性質具有負面影響。此等化合物的 存在顯著降低適合應用之數目。 US 5,728,366揭示一種改良之方法,其中首先形成一雙 氫氧化物中間體,隨後使其與單價有機陰離子在低溫下接 觸而形成欲合(intercalated)LDH。該方法太過複雜而不具 137137.doc 200940444 有商業利益。此外,產生之產品具有過高之所使用酸之 Mg鹽含量。 US 2003/0114699中提出另一方法,其中首先藉由使有 機陰離子與三價金屬源反應而形成一中間體,並且在第二 步驟中,使該中間體在水中與二價陽離子源在高至950C之 溫度下反應。此方法麻煩,因其需要兩步驟及使用在液相 中之有機陰離子,並且產生之產品具有過高之所使用酸之 二價金屬鹽含量。 ® 【發明内容】 本發明之目的係i)提供一種簡易方法以製造衍生自三價 金屬源及二價金屬源並且包含電荷平衡有機陰離子之高純 度層狀雙氫氧化物(LDH),ii)提供包含親水性電荷平衡陰 離子之高純度層狀雙氫氧化物,及iii)該包含親水性電荷 平衡陰離子之層狀雙氫氧化物在廣泛應用範圍中的用途, 特別係其在奈米複合物諸如(水基)塗料中的用途,以及在 φ 另一實施例中’特別係其在紙業中的用途。 此目的係藉由提供一種製造尤其衍生自一或多個三價金 屬源及一或多個二價金屬源並且包含一或多個具有至少一 個經基之電荷平衡有機陰離子之LDH的水性方法而達成, 其中在一步驟中,在高溫下產生嵌合Ldh。產生之產品具 有期望之純度,意謂其包含小於2〇 wt%之勃姆石以及小於 5°/〇之該具有至少一羥基之有機陰離子的二價金屬鹽。 在本發明之一實施例中,單步反應係在超過丨丨〇。〇之溫 度下執行,較佳高於12CTC,更佳高於130。〇,再更佳高於 137137.doc 200940444 140°C ’又更佳高於150°C ’又再更佳高於ι60,並且最佳 高於170°C。由於較佳藉由施加壓力防止水性混合物沸 騰,因而溫度之上限通常係由能源成本及設備額定值決 定。壓力可自大氣壓直至3〇〇巴(bar)。溫度上限宜低於 3〇〇°C ’較佳低於250°C並且最佳低於20(TC。進—步之溫度 上限可由具有至少一羥基之有機陰離子之分解溫度決定。 特定而言,若此陰離子係羥基羧酸,則溫度應低於脫羧 及/或脫水溫度。 根據本發明之層狀雙氫氧化物包含一或多個三價金屬離 子、一或多個二價金屬離子、及一或多個電荷平衡有機陰 離子其中至少一電荷平衡陰離子係包含至少一經基之單 價有機陰離子,並且其包含小於2〇 wt%之勃姆石以及小於 5 wt%之該二價金屬與該單價有機陰離子之鹽。
通系’層狀雙氫氧化物包含低於2〇重量百分比(wt%)量 之作為電荷平衡陰離子的碳酸根陰離子;較佳地,碳酸根 陰離子之量係低於1 wt%,並且最佳地,作為電荷平衡陰 離子之碳酸根係近乎不存在。在本發明2LDH中之低量的 電荷平衡碳酸根陰離子允許LDH在(例如)聚合物基質中更 谷易地脫層及/或剝落以及脫層及/或剝落至較大程度。相 較於具有更高碳酸根量之類似的LDH,此等經修改的LDH 可適用在更寬廣的應用範圍。其可在較低疏水性及親水性 的聚合基質(諸如聚乳酸)中使用。 一般而言,經發現相對低量的勃姆石與該具有至少一羥 基之有機陰離子之二價金屬鹽使本發明之LDH適合於較寬 137137.doc 200940444 廣的應用種類。此外,當作為原料之勃姆石轉變成LDH的
轉化率不足時,通常存在大量的勃姆石。較佳地,以LDH 與勃姆石之總重量計,勃姆石的量係小於丨〇 ,其更佳 係小於5 wt%,甚至更佳係小於! wt%,並且最佳係不存在 勃姆石。同樣地,以LDH與勃姆石之總重量計,二價金屬 鹽的量係小於5 wt%,其更佳係小於3 wt%,甚至更佳係小 於1 wt%,並且最佳係幾乎不存在二價金屬鹽。
在本發明之一實施例中,以LDH與額外含氧材料之總重 量計,本發明之層狀雙氫氧化物包含小於3〇糾%之額外含 氧材料(源自亦製得層狀雙氫氧化物之二價及/或三價金屬 離子源)的總量。較佳地,額外含氧材料的量係小於2〇 wt%,更佳係小於15 wt%,甚至更佳係小於ι〇 Μ。〆❶並且 最佳係小於5 wt%。 額外含氧材料之實例包括=價及/或三價金屬離子之氧 化物和氫氧化物’諸如勃姆石、三水㈣、三氫氧化銘、 氧化鎮及水鎂石。 在本申請案之上下文中,術語「電荷平衡有機陰離子」 係指補償LM之結晶黏土薄片之靜電荷不足的有機離子。 由於黏土通常具有層狀結構’因而電荷平衡有機離子可位 於層疊黏土層之夾層中、邊緣上或外表面上。該等位於層 疊黏土層之夾層中的有機離子被稱為嵌合離子。 此層疊黏土或有機黏土亦可(例如)在聚合物基質中脫 ^7。在本專利說明書之上下文中,術語「脫層」係 疋’、,黏土顆粒之平均層疊程度因黏土結構之至少部分分 137137.doc 200940444 層所致的降低,藉此產生每單位體積含有顯著增加之獨立 黏土薄片的材料。術語「剝落」係定義為完整脫層,即在 垂直於黏土薄片之方向上的週期性消失,導致介質中個別 層之隨機分散’因此完全不留下層疊次序。 黏土之膨脹或擴展,亦稱為黏土之嵌合,可使用χ射線 繞射(XRD)觀察,因為基礎反射(即d(〇〇/)反射)之位置指示 層之間的距離,該距離在嵌合時增加。 平均層疊程度之降低可經觀察為XRD反射之變寬直至消 失’或由基礎反射(hko)之不對稱性增加觀察。 完全脫層(即剝落)之表徵仍舊係分析挑戰,但其通常可 由來自原始黏土之非(hkO)反射的完全消失斷定。 可進一步使用透射電子顯微術(TEM)觀察層之次序並且 因此觀察脫層程度。 包含電荷平衡有機陰離子之LDH具有相當於下列通式之 層狀結構: [M^+(0H)2m+2n]x-.bH20 (1) 其中M2 +係二價金屬離子諸如Ζη2+、Μη2+、Νρ+、c〇2+、 Fe2+、Cu2+、Sn2+、Ba2+、Ca2+、Mg2+或其混合物,M3+係 三價金屬離子諸如 Al3+、Cr3+、Fe3+、Co3+、Mn3+、Ni3+、 Ce及Ga3+或其混合物,具有使m/n=l至i〇之值,並 且b具有在範圍〇至10内的值βχ係單價陰離子,包含至少 一經基及視需要之任何其他有機陰離子或無機陰離子,包 括氫氧根、碳酸根、碳酸氫根、硝酸根、氯離子 '溴離 137l37.doc •10· 200940444 子、續酸根、硫酸根、硫酸氫根、鈒酸根、鎢酸根、硼酸 根及磷酸根,其中較佳電荷平衡陰離子之總量之小於20〇/〇 係碳酸根。為本專利說明書之目的’碳酸根與碳酸氫根陰 離子係定義為無機性質。 本發明之LDH包括水滑石及類水滑石之陰離子性ldh。 該等LDH之實例係透鎮紹石(meixnerite)、水鎮紹石、鱗鎮 鐵礦、磷銅鐵礦、鉻鱗鎂礦(stichthe)、水鎂鉻石 (barberonite)、水铭錄石、水碳鐵鎳礦(reevesite)及經碳猛 鎮石(desautelsite)。 在本發明之一實施例中,層狀雙氫氧化物具有相當於下 列通式之層狀結構: [Mg^AI^(0H)2(n+2nJx-.bH20 (Π) 其中m及η具有使m/n=l至10,較佳1至6,更佳2至4,並 且最佳接近3之值;b具有在〇至1〇之範圍内的值,通常係2 至6的值,並且經常係約4之值^ X係如上述定義之電荷平 衡離子。較佳的m/n應具有2至4之值,更特別係接近3之 值。 LDH可具有任何在技術中已知的結晶形態,諸如由
Cavani 等人(Caia/少,11(1991),173-301 頁)或由 Bookin 專人(黏 土及黏 土礦物(7/<3少 M/wera/s), (1993),卷 41(5),55 8-564 頁)所描述,諸如 3%、3H2、 3R!或3R2層疊。 在本發明之LDH中的個別黏土層之間的距離通常係大於 137137.doc -11 - 200940444 在僅含有碳酸根作為電荷平衡陰離子的ldh之層間距離。 較佳地,在根據本發明之LDH中的層間距離係至少工〇 nm,更佳係至少hl⑽,並且最佳係至少u nm。個別層 之間的距離可使用如之前概述之χ射線繞射敎。個別層 之間的距離包括該等個別層中之一者之厚度。 本發明之LDH包含含有至少—經基之單價電荷平衡陰離 子。較佳地,該單價陰離子包括至多12個碳原子,較佳至 多10個碳原子’並且最佳至多8個碳原子,並且至少2個碳 原子’更佳至少3個碳原子。該單價電荷平衡陰離子可包 括-㈣基、兩個絲或三個或更多個經基。包含一或兩 個羥基之單價陰離子係較佳。在一實施例中,電荷平衡陰 離子係選自由㈣根、錢根、姐根、魏根及膦酸根 且成之群組的單價陰離子。較佳地,單價電荷平衡陰離子 係單叛酸根。
根據本發明之單㈣根之實例包括脂族單鏡根諸如 ϋ乙酸根乳fee根、3·經基丙gt根、α_經基丁酸根、β_經 基丁酸根、γ_經基丁酸根、2-經基-2-甲基丁酸根、2_經基_ 3甲基丁酸根、2-乙基_2_經基_丁酸根、2_經基己酸根、2_ 經基異己酸根、Π)·_癸酸根、1()_經基十二淀酸根、二 羥曱基丙酸根、葡萄糖酸根、葡萄糖醛酸根、葡萄庚酸; 及芳族或含苯基之單羧酸根諸如4_羥苯丙酮酸根、3_氟_4_ 羥基苯乙酸根、3·氣-4-羥基_苯乙酸根、升香草酸根、3· 羥基-4-甲氧基苯乙醇酸根、dl_3,4_二羥基苯乙醇酸根、 2,5-二羥基苯乙酸根、3,4_二羥基苯乙酸根、3,4_二羥基氫 137I37.doc -12· 200940444 桂皮酸根、4-羥基-3-硝基苯乙酸根、2-羥基桂皮酸根鹽、 水楊酸根、4-羥基苯甲酸根、2,3-二羥基苯甲酸根、2,6-二 羥基苯曱酸根、3-羥基鄰胺苯甲酸根、3-羥基-4-曱基苯曱 酸根、4-甲基水楊酸根、5-甲基水揚酸根、5_氣水楊酸 根、4-氯水揚酸根、5-峨水揚酸根、5-演水揚酸根、4-經 基-3 -甲氧基苯曱酸根、3-羥基-4-甲氧基笨甲酸根、3,4_二 羥基苯曱酸根、2,5-二羥基苯曱酸根、2,4-二羥基苯甲酸 根、3,5-二羥基笨甲酸根、2,3,4-三羥基苯曱酸根、沒食子 ❹ 酸根及丁香酸根。較佳的單羧酸根係選自由羥乙酸根、乳 酸根、二羥曱基丙酸根、葡萄糖酸根及水揚酸根組成之 群。乳酸根及二羥甲基丙酸根係再更佳之單羧酸根。 應注意一些上述的單羧酸根可以D_及L_形式兩者存在。 在本發明之LDH中涵蓋使用任一對映體,或使用對映體之 混合物。 進一步設想使用上述單價電荷平衡陰離子之兩者或兩者 以上,特別係使用單羧酸根,作為電荷平衡陰離子。 〇 進—步涵蓋電荷平衡單價陰離子包含緊鄰㈣基的一或 多個官能基’諸如丙烯酸酯、曱基丙烯酸酯、氯化物、 .胺、環氧基、硫醇、乙烯基、二及多硫化物、胺基甲酸 醋、銨、録L、鑄、次膦酸、異氰酸酷、氫硫基、經笨基、 氣化物、乙醯氧基及軒。若在聚合基質中使用此等經有機 改質的,則此等官能基可與聚合物相互作用或反應。 本發明製造包含具有至少—羥基 _, 之早價電何平衡有機陰 離子的LDH之方法係一種在單一 + 程牡早步驟中,將三價金屬源、 二價金屬源、水及有機陰離子之源全部混合並且加熱至至 137137.doc -13- 200940444 少11 o°c之反應溫度的方法。 為加速反應’通常較佳將金屬 聊王厲源之一或兩者碾磨成小於 10微米之d90粒度,較佳小於5槲丰 —β Λ 於5谜水。該碾磨及高反應溫度 通常產生具有非常好純度之產品’其如由二價金屬機 陰離子之鹽係保持在最低限度之事實證明。 、 在本發明之-實施例中,在用於製備本發明之經改質 遲的方法巾所使用之三價金屬離子與單價陰離子(尤其 係單羧酸根)之間的莫耳比通常係至少〇 6,較佳至少〇·7, 並且最佳至少0.8 ’並且通常係至多i 5,較佳至多ΐ4,以 及最佳至多1.3。 本發明進-步關於-種包含根據本發明之層狀雙氮氧化 物的水性㈣。經改質LD_4通㈣基於水性漿液之總 重量的至少0.1 Wt%,較佳至少〇 2 wt%,並且最佳至少〇 5 wt%,以及至多50 wt%,較佳至多3〇 wt%,並且最佳至多 20 wt%。此等水性漿液通常可穩定地儲存,即未或幾乎未 觀察到任何固體之沉降。此外,此等漿液,尤其係在較高 濃度下,可具有相對較高之黏度,為搖溶性並且呈現剪力 減稠行為。水性漿液中之懸浮介質可係水,或其可係水與 可與水相混溶之溶劑之混合物。溶劑與水之可混溶性可使 用ASTM D 1722_98測定。該等溶劑之實例包括醇諸如曱 醇、乙醇、正丙醇、異丙醇、正丁醇、異丁醇及第三丁 醇;烷多元醇諸如乙二醇、丙二醇及甘油;醚諸如二甲 轉、乙喊或二丁醚;烷多元醇之二醚諸如二甲基乙二醇、 137137.doc -14- 200940444 二乙基乙二醇、二甲基丙二醇及二乙基丙二醇;及根據下 式之烷氧化醇:
其中ISCrC8烷基或苯基,&係氫或曱基,及n係1至5 之整數;胺諸如三乙基胺;非離子聚合溶劑諸如聚乙二 醇、聚丙二醇、月桂基聚乙二醇;離子性液體;吡啶;二 甲亞颯;及吡咯啶酮諸如卜子基_吡咯啶酮β亦可設想兩種 或更多種可與水相混溶溶劑之混合物。較佳係同時包含水 及可與水相混溶溶劑之懸浮介質不會分離形成兩層。 亦可設想使用不存在水之懸浮介質。 本發明之LDH或水性漿液可用作塗料組合物、(印刷)油 墨調配物、黏膠增黏劑、基於樹脂之組合物、橡膠組合 物、清潔調配物、鑽井液體及水泥、灰泥調配物、非織 布、纖維、發泡體、薄膜、矯形鑄件、柏油、(前)陶瓷材 料及有機-無機混合之複合材料諸如基於聚合物之奈米複 合物中之成分。本發明之LDH可進一步使用在聚合反應諸 如溶液聚合、乳液聚合及懸浮聚合中。有機黏土可進一步 在半結晶聚合物中用作結晶助#卜本發明之聰可進一步 使用在可組合LDH與有機陰離子之個別功能之應用中,諸 如在造紙製程或清潔劑工業中。料,I發明之ldh可使 用在醫藥、殺蟲劑及/或肥料之控制釋放應用+,以及用 137137.doc 15 200940444 作有機化合物諸如污染物、著色料等之吸附劑。 在本發明之另一實施例中,本發明之經改質LDH係使用 在&紙製程中。特特而言,經改質LDH可用作陰離子垃圾 捕集劑(ATC),~能夠去除通過吸附陰離子材料諸如松 香其係存在於紙漿中並且其會與紙張添加劑諸如保色劑 T利地交互作用或影響其性能。本發明之通常具有比 習知材料諸如滑石或包含無機電荷平衡陰離子之層狀雙氫 氧化物更高之對該陰離子材料的容量,並且因此可以顯著 較低量使用。更多細節可自w〇 2〇〇4/〇46464收集。 本發明進一步關於本發明之經改質LDH在水性塗料應用 中作為污點抑制劑之請。水性塗料具有塗料經塗覆於其 上的材料中所含之某些(水溶性)產品會遷移通過塗料並且 導致塗層變色的問題(此亦稱為「滲移」)。該渗移現象可 發生在(例如)含有單寧之熱帶木材以及在含有煙鹼或柏油 污點之牆壁上。經改質之LDH可因此適用在水性木材塗料 諸如細木工材及裝潢漆中,以及在水性牆壁油漆諸如乳膠 中本發明之LDH之優點係與此等水性塗料中所使用之較 寬廣範圍黏結劑之增加的相容性,以及相較於習知污點抑 制系統之增加的污點抑制性能。另一優點係在此等水性塗 料中使用經改質LDH之水性漿液的適用性及便利性。 以水性塗料之總重量計,經改質LDH的使用量通常係至 少0.1 wt%,較佳至少0‘2 wt%,並且最佳至少〇 5 ,以 及至多20 wt%,較佳至多15 wt%,並且最佳至多1〇 。 本發明進一步關於包括聚合基質及根據本發明之經改質 137137.doc -16· 200940444 LDH之複合材料’尤其係奈米複合材料。使用本發明之經 改質LDH可在廣泛之聚合物基質種類中獲得更高程度之剝 落及/或脫層’並且微米尺寸之經改質LDH的量通常將較 低或甚至不存在。此使得在奈米複合材料中使用較低量之 經改質LDH成為可能。因此,可提供具有相對低密度及良 好機械性質的奈米複合材料。奈米複合材料中之完全剝落 及/或脫層之LDH會使材料對可見光為透明,並且因此使 其適用於光學應用。 術語「複合材料」包括微米複合材料以及奈米複合材 料。術語「奈米複合材料」係指其中至少一組分包含具有 至少一維在0·1至100奈米範圍内之無機相的複合材料。術 浯「微米複合材料」係指其中至少一組分包含其所有維度 均大於100奈米之無機相的複合材料。 可適用在本發明之(奈米)複合材料中的聚合物可係任何 在技術中已知之聚合物基質。在本專利說明書中,術語 「聚合物」係指至少兩組成單元(即單體)之有機物質因 此包括低聚物、共聚物及聚合樹脂。適合在聚合物基質中 使用之聚合物係聚加成物及聚縮物。此外,聚合物可係均 聚物或共聚物。 較佳地,聚合基質具有至少20之聚合度,至少50更佳。 術語「聚合度」具有習知意義並且代表重複單位之平均數 適合聚合物之實例係乙烯基聚合物,諸如聚笨乙稀、聚 甲基丙烯酸甲酯、聚氣乙烯、聚二氣亞乙烯或聚二氟亞乙 137137.doc 17 200940444 烯;飽和聚酯諸如聚對苯二曱酸乙二酯、聚乳酸或聚(ε-己 内酯)、不飽和聚酯樹脂、丙烯酸酯樹脂、甲基丙烯酸酯 樹脂、聚醯亞胺、環氧樹脂、苯酚曱醛樹脂、脲甲醛樹 脂、三聚氰胺曱醛樹脂、聚胺基甲酸酯、聚碳酸酯、聚芳 基醚、聚砜、多硫化物、聚醯胺、聚醚醯亞胺、聚醚酮、 聚醚酯酮、聚矽氧烷、聚胺基甲酸酯、聚環氧化物及兩種 或更多種聚合物之摻混物。較佳使用乙烯基聚合物、聚 酯、聚碳酸酯、聚醯胺、聚胺基甲酸酯或聚環氧化物。 根據本發明之有機黏土特別適用在熱塑性聚合物諸如聚 苯乙烯及縮醛(共)聚合物諸如聚甲醛(ΡΟΜ)中,以及在橡 膠(乳膠)諸如天然橡膠(NR)、苯乙烯-丁二烯橡膠(SBR)、 聚異戊二烯(IR)、聚丁二烯(BR)、聚異丁烯(IIR)、i化聚 異丁烯、丁二烯腈橡膠(NBR)、氫化丁二烯腈(HNBR)、苯 乙烯-異戊二烯-苯乙烯(SIS)及類似的苯乙烯系嵌段共聚 物、聚(表氯醇)橡膠(CO、ECO、GPO)、聚矽氧橡膠(Q)、 氯丁二烯橡膠(CR)、乙烯丙烯橡膠(EPM)、乙烯丙烯二烯 橡膠(EPDM)、多硫橡膠(T)、氟橡膠(FKM)、乙烯-乙酸乙 烯酯橡膠(EVA)、聚丙烯酸系橡膠(ACM)、聚胺基曱酸酯 (AU/EU)及聚酯/醚熱塑性彈性體中。 以混合物之總重量計,LDH在複合材料,尤其係在奈米 複合材料中的量,較佳係0.01-75 wt%,更佳係0.05-50 wt%,甚至更佳係0.1-30 wt%。 10 wt%或更少之LDH量(較佳係1-10 wt%,更佳係1-5 wt%)尤其有利於製備基於聚合物之奈米複合物,即包含經 137137.doc -18· 200940444 質之LDH之根據本發明之含聚合 脫層直至剥落之經有機改 物的組合物。 〇 wt/〇之LDH量(更佳係1〇_5〇 wt%)尤其有利於製備 所謂的母料, 即用於(例如、取n 如丨> 士 Α、曲,一.
奈米複合物時,可在隨後階段中達成進一步 的脫層及/或剝落。 本發明之奈米複合材料可根據任何熟習此項技術者所知 之方法製備。熟習此項技術者可(例如)利用熔融摻混技術 將聚合物基質與根據本發明之有機黏土密切混合。此方法 係較佳的,因其簡|,成本有效並可㈣制在現有工廠 中。亦可设想在聚合單體及/或低聚物以形成聚合物基質 之刚、同時或之後,在聚合物基質的存在下,或在單體 及/或低聚物的存在下製備本發明之黏土。 【實施方式】 本發明以下列實例作進一步說明。 實例 實例1 將 123.2 克氧化鎮(z〇litho®40,來自 Martin Marietta
Magnesia Specialties LLC)及 117·4克三氫氧化鋁(Alumill F505)混合在1,900克去礦質水中並且磨碎至27 μιη之平均 粒度(dso)。將漿液供應至裝備高速攪拌器之燃油加熱的高 壓锅。接著將168克乳酸(88%純度,來自Baker)在15分鐘 137137.doc -19- 200940444 之時期内添加至高壓鍋。錢添加之後,_閉高壓鍋並且 加熱至170 C且在該溫度下維持4小時。接著在i小時内使 高壓鍋冷卻至70。(:以下並且去除產生之漿液。 使用X射線繞射分析產生之包含乳酸根的層狀雙氩氧化 物以測定内部通路距離或d間距。如上述製備之層狀雙氫 氧化物的XRD圖譜顯示微小的與水滑石相關之非(hk〇)反 射,顯不陰離子性黏土之嵌合。嵌合物展示14·6 A之特徵 d(00/)值。 產品中不存在勃姆石並且乳酸鎂的量小於5 wt%。 比較實例A,根據在US專利2003-0114699A1中描述之配方 將500克去礦質水與17 〇5克Catapal B(Saso卜91.49%純 度)在充分攪拌條件下加入至3公升ss燃油加熱高壓鍋中以 避免分離。 其次’將24.20克乳酸(puracT,88%純度)加入反應器。 接著將反應器之内容物自環境溫度加熱至8(rc並使其反 應8小時。在此時期後,將17·96克氧化鎂(Zolitho®4〇,來 自 Martin Marietta Magnesia Specialties LLC,98%純度)加 入至反應混合物,接著添加1,5〇〇克去礦質水。最後,將 反應混合物自80°C加熱至95°C,並且維持此溫度8小時。 在冷卻至環境溫度後’收集反應器之内容物且其看來具有 9.3之pH值,3.2 wt°/〇之固體含量,並且顯示搖變性質。在 乾燥樣品上執行之X射線繞射分析顯示存在約25%勃姆 石,以及微量的乳酸鎂無水物。 比較實例b,在t< litre下製備 137137.doc -20- 200940444 將 55.14 克氧化鎂(Zolitho®40,來自 Martin Marietta Magnesia Specialties LLC,98% 純度)與 52.45克三氫氧化 鋁(Alumill F505)混合在2,022.4克去礦質水中並且磨碎至 2.35 μιη之平均粒度(d5Q)。在充分攪拌條件下將漿液供給 至3公升SS燃油加熱高壓鍋中以避免分離。接著,添加 83.96克乳酸(88%純度,來自Baker)至高壓鍋。在酸添加之 後,關閉高壓鍋並且加熱至95°C,接著維持此溫度4小 時。最後,在1小時内將高壓鍋冷卻至50°C以下並且隨後 收集反應器之内容物。 使用X射線繞射分析產生之包含乳酸根的層狀雙氫氧化 物以測定内部通路距離或d間距。然而,如上述製備之層 狀雙氫氧化物的XRD圖譜顯示已在應用之反應條件下形成 乳酸鎂、ATH(三水鋁礦)及MDH(水鎂石)之混合物。存在 超過5%之乳酸鎂。
137137.doc -21 -
Claims (1)
- 200940444 ❹ ❿ 十、申請專利範圍: 一種製造包含具有至少一個羥基之電荷平衡有機陰離子 之層狀雙氫氧化物之方法,其包括在至少110〇c之溫度 下使二價金屬源、二價金屬源、水及該有機陰離子接觸 之步驟。 如請求項1之方法’其中該溫度係至少丨50<3C。 如蜻求項1或2之方法,其中該有機陰離子係具有至少— 個羥基之羧酸之陰離子,該羧酸較佳係乳酸,並且該溫 度係保持低於該陰離子之脫羧溫度。 如请求項1或2之方法,其中在該接觸步驟之前或在該接 觸步驟期間碾磨一或多個該等金屬源。 一種層狀雙氫氧化物,其包含一或多個三價金屬離子、 一或多個二價金屬離子及一或多個電荷平衡有機陰離 子,其中至少一種電荷平衡陰離子係包含至少一個羥基 之單價有機陰離子,並且其包含少於2〇 wt%之勃姆石以 及少於5 wt%之該二價金屬與該含有至少一個羥基之單 價有機陰離子之鹽。 如μ求項5之層狀雙氫氧化物,其中作為電荷平衡陰離 子之碳酸根陰離子的量係低於2〇 wt% ;較佳地,碳酸根 陰離子的量係低於! ^%並且最佳不存在作為電荷平衡 陰離子之碳酸根。 7. 如請求項5或6之層狀雙氫氧化物,其中該單價有機陰離 子係單幾酸根。 8. 如請求項7之層狀雙氫氧化物,其中該單绫酸根係選自 2.3. 4. 5. 137137.doc 200940444 9. 10. 11. 12. 13. 14. 15. 由羥乙酸根、乳酸根、3 -羥基丙酸根、α-羥基丁酸根、 β-經基丁酸根、γ-羥基丁酸根、2_羥基戊酸根、二羥甲 基丙酸根、葡萄糖酸根、葡萄糖醛酸根、葡萄庚酸根及 其混合物組成之群,並且該單羧酸根較佳係乳酸根。 一種水性漿液,其包含如請求項5至8中任一項之層狀雙 氫氧化物。 一種水性塗料,其包含如請求項5至8中任一項之層狀雙 氫氧化物。 :種複合材料,其包含如請求項5至8中任一項之層狀雙 氫氧化物及一聚合物基質。 如請求項11之複合材料,其包含以該複合材料之總重量 計為1-10 wt%之該層狀雙氫氧化物。 —種母料,其包含以該複合材料之總重量計為1G_7〇Wt。/。 之如請求項5至8中任—項之層狀雙氫氧化物,以及3〇9〇 vn%之一聚合物。 種如凊求項5至8中任一項# 法中的用途。 …狀雙氫氧化物在造紙方 —種如請求項5至8中任一 料;1之層狀雙氫氧化物在水性塗 斜應用巾料㈣抑 Θ ❹ 137137.doc -2- 200940444 七、指定代表圖: (一) 本案指定代表圖為:(無) (二) 本代表圖之元件符號簡單說明:八、本案若有化學式時,請揭示最能顯示發明特徵的化學式: (無)137137.doc
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| US9410031B2 (en) | 2011-06-28 | 2016-08-09 | Flow Polymers, Llc | Organic functionalization of layered double hydroxides |
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| US9610538B2 (en) * | 2014-05-20 | 2017-04-04 | Northwestern University | Polysulfide intercalated layered double hydroxides for metal capture applications |
| KR102491799B1 (ko) * | 2017-03-17 | 2023-01-25 | 교와 가가꾸고교 가부시키가이샤 | 미립자 하이드로탈사이트와 그 제조 방법, 그 수지 조성물 및 그 현탁액 |
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| CN110229483B (zh) * | 2018-03-06 | 2021-06-08 | 中国科学院化学研究所 | 一种pla纳米复合材料及其制备方法 |
| CN108486954A (zh) * | 2018-03-23 | 2018-09-04 | 陕西科技大学 | 一种高分子/层状双金属氢氧化物基荧光型纸张表面施胶剂的合成方法 |
| WO2020050068A1 (ja) * | 2018-09-06 | 2020-03-12 | 日機装株式会社 | 乳酸吸着剤および乳酸の除去方法 |
| GB201820465D0 (en) * | 2018-12-14 | 2019-01-30 | Bp Exploration Operating Co Ltd | Layered double hydroxide materials as additives for enhancing scale squeeze chemical treatment lifetime |
| WO2022081950A1 (en) * | 2020-10-17 | 2022-04-21 | David Anderson | Formulation and noncovalent stabilization of olivetolic acid derivatives |
| CN114988747A (zh) * | 2022-06-27 | 2022-09-02 | 扬州工业职业技术学院 | 一种用于纤维泡沫混凝土的分散剂 |
Family Cites Families (9)
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|---|---|---|---|---|
| US5728366A (en) * | 1994-04-29 | 1998-03-17 | Aluminum Company Of America | Two powder synthesis of hydrotalcite and hydrotalcite-like compounds with monovalent organic anions |
| US5578286A (en) * | 1994-04-29 | 1996-11-26 | Aluminum Company Of America | Two powder synthesis of hydrotalcite-like compounds with divalent or polyvalent organic anions |
| US20020016831A1 (en) * | 2000-08-07 | 2002-02-07 | Vidius Inc. | Apparatus and method for locating of an internet user |
| JP4162130B2 (ja) * | 2001-02-09 | 2008-10-08 | アクゾ ノーベル ナムローゼ フェンノートシャップ | 準結晶性の水和されたマグネシウム−アルミニウムヒドロキシカルボキシレート、それらの製造及びそれらの使用 |
| US6846870B2 (en) * | 2001-08-23 | 2005-01-25 | Sunoco, Inc. (R&M) | Hydrotalcites, syntheses, and uses |
| DE10235570A1 (de) * | 2002-08-03 | 2004-02-19 | Clariant Gmbh | Verwendung von Salzen schichtartiger Doppelhydroxide |
| US8227046B2 (en) * | 2002-11-29 | 2012-07-24 | Council Of Scientific And Industrial Research | Process for preparing self-assembling nanobinary and ternary oxy/hydroxides |
| US6969110B2 (en) * | 2003-08-01 | 2005-11-29 | Daimlerchrysler Corporation | Impact load transfer element |
| EP1713870A1 (en) * | 2004-01-22 | 2006-10-25 | Nuplex Resins B.V. | Stain blocking water borne coating composition |
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2008
- 2008-12-16 BR BRPI0819499-8A patent/BRPI0819499A2/pt not_active IP Right Cessation
- 2008-12-16 RU RU2010130547/05A patent/RU2010130547A/ru not_active Application Discontinuation
- 2008-12-16 MX MX2010006865A patent/MX2010006865A/es not_active Application Discontinuation
- 2008-12-16 AU AU2008340079A patent/AU2008340079A1/en not_active Abandoned
- 2008-12-16 CA CA2709885A patent/CA2709885A1/en not_active Abandoned
- 2008-12-16 KR KR1020107015932A patent/KR20100109927A/ko not_active Withdrawn
- 2008-12-16 WO PCT/EP2008/067657 patent/WO2009080629A2/en not_active Ceased
- 2008-12-16 CN CN2008801222755A patent/CN101903288A/zh active Pending
- 2008-12-16 US US12/809,012 patent/US20110000632A1/en not_active Abandoned
- 2008-12-16 JP JP2010538684A patent/JP2011506260A/ja not_active Withdrawn
- 2008-12-16 EP EP08863993A patent/EP2231513A2/en not_active Withdrawn
- 2008-12-19 TW TW097149845A patent/TW200940444A/zh unknown
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| MX2010006865A (es) | 2010-10-05 |
| BRPI0819499A2 (pt) | 2015-05-26 |
| CA2709885A1 (en) | 2009-07-02 |
| AU2008340079A1 (en) | 2009-07-02 |
| US20110000632A1 (en) | 2011-01-06 |
| EP2231513A2 (en) | 2010-09-29 |
| JP2011506260A (ja) | 2011-03-03 |
| RU2010130547A (ru) | 2012-01-27 |
| KR20100109927A (ko) | 2010-10-11 |
| WO2009080629A3 (en) | 2009-09-11 |
| CN101903288A (zh) | 2010-12-01 |
| WO2009080629A2 (en) | 2009-07-02 |
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