TWI705083B - 硬化劑組合物及其硬化劑塗料配方 - Google Patents
硬化劑組合物及其硬化劑塗料配方 Download PDFInfo
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- TWI705083B TWI705083B TW108141074A TW108141074A TWI705083B TW I705083 B TWI705083 B TW I705083B TW 108141074 A TW108141074 A TW 108141074A TW 108141074 A TW108141074 A TW 108141074A TW I705083 B TWI705083 B TW I705083B
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- glycidyl ether
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Abstract
本發明公開一種硬化劑組合物及其硬化劑塗料配方,硬化劑組合物其包含:5至25重量%的含酯基的胺端基加成物、2至25重量%的C8-C22疏水性飽和或不飽和脂肪胺、2至25重量%的聚胺化合物、2至20重量%的矽烷化合物以及10至60重量%的醚類溶劑,本發明的硬化劑組合物有效降低製程繁複及成本,更提升產品的耐鹽霧、抗腐蝕以及耐衝擊性能。
Description
本發明涉及一種硬化劑組合物及其硬化劑塗料配方,特別是涉及一種用於水性環氧樹脂分散體的無水硬化劑組合物。
現有技術中,水性環氧樹脂與硬化劑組合的體系,常面臨有效期短的問題,特別是在富鋅底漆這種含金屬情況下。
富鋅底漆具有優異的耐腐蝕性能,已廣泛應用於各種工業防腐領域。富鋅底漆塗料主要的防腐原理是在腐蝕環境中犧牲塗料中的鋅粉(陽極)而保護金屬層(陰極)。然而,由於金屬粉如:鋅粉具有高活性的特點,容易與水反應而釋放出氫氣,不僅影響產品性能,更增加了安全的疑慮,因此,難以獲得較佳的保存效期。
此外,相關現有技術仍有製備過程複雜、成本較高以及耐鹽霧性能不佳的問題,為克服前述的缺陷,降低製程繁複及成本的基礎上,提升產品的耐鹽霧、抗腐蝕以及耐衝擊性能,從而滿足於市場的需求,已成為該項事業所欲解決的重要課題之一。
本發明所要解決的技術問題在於,針對現有技術的不足提供一種用於水性環氧樹脂分散體的無水硬化劑組合物,更進一步來說,可應用於富鋅底漆領域。
為了解決上述的技術問題,本發明所採用的一技術方案是,提供一種硬化劑組合物,其包含:5至25重量%的含酯基的胺端基加成物、2至25重量%的C8-C22疏水性飽和或不飽和脂肪胺、2至25重量%的聚胺化合物、2至20重量%的矽烷化合物以及10至60重量%的醚類溶劑;其中,所述含酯基的胺端基加成物包括化學式:
,
其中,m=1-100、n=1-15,X以及Y各自獨立地選自H、甲基、乙基、羥甲基;R
1是經非反應活性氧、至多平均4個二級或三級氮原子取代或非經取代的C2至C18脂族、脂環族或芳族基團;R
2和R
3各自獨立地選自H、經取代或未經取代的烷基、經取代或未經取代的芳基,或R
2與R
3彼此鍵結以形成經取代或未經取代的環;R
0是經氧原子、氮原子、硫原子取代或未經取代C6至C30的烴基且具有至少一個芳香環,或C6至C17的脂族烴基。
於本發明的一具體實施例中,所述C8-C22疏水性飽和或不飽和脂肪胺是9-十八烯胺。
於本發明的一具體實施例中,所述聚胺化合物是聚醚胺化合物或聚乙氧基牛脂胺化合物。
於本發明的一具體實施例中,所述矽烷化合物是胺基矽烷化合物或環氧矽烷化合物。
於本發明的一具體實施例中,所述醚類溶劑是選自丙二醇甲醚、二丙二醇二甲醚以及二丙二醇甲醚所組成的群組。
為了解決上述的技術問題,本發明所採用的另外一技術方案是提供一種硬化劑塗料配方,其包含:10至30重量%的水性環氧樹脂;1至10重量%的本發明前述的硬化劑組合物;0.1至5重量%的分散劑;1至5重量%的流變劑;1至10重量%的成膜劑;5至30重量%的溶劑;以及10至70重量%的金屬粉末。
於本發明的一具體實施例中,所述金屬粉末是選自鋅粉、鋁粉以及鎂粉所組成的群組。
於本發明的一具體實施例中,所述成膜劑是丙二醇單甲醚或二丙二醇丁醚或其組合。
本發明的其中一有益效果在於,本發明所提供的用於富鋅底漆的硬化劑組合物,其能通過本發明的特定比例的技術方案,降低製程繁複及成本,更提升產品的耐鹽霧、抗腐蝕以及耐衝擊性能。
為使能更進一步瞭解本發明的特徵及技術內容,請參閱以下有關本發明的詳細說明與圖式,然而所提供的圖式僅用於提供參考與說明,並非用來對本發明加以限制。
以下是通過特定的具體實施例來說明本發明所公開有關“硬化劑組合物及其製作方法”的實施方式,本領域技術人員可由本說明書所公開的內容瞭解本發明的優點與效果。本發明可通過其他不同的具體實施例加以施行或應用,本說明書中的各項細節也可基於不同觀點與應用,在不悖離本發明的構思下進行各種修改與變更。另外,本發明的附圖僅為簡單示意說明,並非依實際尺寸的描繪,事先聲明。以下的實施方式將進一步詳細說明本發明的相關技術內容,但所公開的內容並非用以限制本發明的保護範圍。
應當可以理解的是,雖然本說明書中可能會使用到“第一”、“第二”、“第三”等術語來描述各種材料,但這些材料不應受這些術語的限制。這些術語主要是用以區分一材料與另一材料。另外,本說明書中所使用的術語“或”,應視實際情況可能包括相關聯的列出項目中的任一個或者多個的組合。術語“一”、“一種”、“一個”在本說明書中用於指代一個或多於一個(即至少一個) 的冠詞。
本說明書中所使用的術語“重量份”表示每百份的橡膠(或樹脂)中,添加劑所佔的含量(parts per hundreds of rubber(or resin);PHR)。術語“重量%” 、“wt%”代表重量百分比,表示基於所述組合物中的固體的總重量(即,所述組合物的乾燥重量)。
除非另有說明,術語“聚合物”獨立地包括聚合物、低聚物、共聚物、三元共聚物、嵌段共聚物、鏈段共聚物、預聚物、接枝共聚物,和其任何混合物或結合物。術語“樹脂”獨立地包括聚合物、低聚物、共聚物、三元共聚物、嵌段共聚物、鏈段共聚物、預聚物、接枝 共聚物,和其任何混合物或結合物。
應瞭解,術語“獨立地選自”意指可選擇相同或不同值用於單一化合物中給定變量之多種情況。術語“經取代或未經取代”意指指定部分之氫基團經指定取代基之基團代替,前提是取代產生穩定或化學上可行之化合物。本發明所設想之取代基之組合較佳是彼等使得形成穩定或化學上可行之化合物者。
本發明提供一種用於水性環氧樹脂分散體的無水硬化劑組合物,更進一步來說,可應用於富鋅底漆領域。
本發明提供一種硬化劑組合物,其包含:5至25重量%的含酯基的胺端基加成物、2至25重量%的C8-C22疏水性飽和或不飽和脂肪胺、2至25重量%的聚胺化合物、2至20重量%的矽烷化合物以及10至60重量%的醚類溶劑;其中,所述含酯基的胺端基加成物包括化學式:
,
其中,m=1-100、n=1-15,X以及Y各自獨立地選自H、甲基、乙基、羥甲基;R
1是經非反應活性氧、至多平均4個二級或三級氮原子取代或非經取代的C2至C18脂族、脂環族或芳族基團;R
2和R
3各自獨立地選自H、經取代或未經取代的烷基、經取代或未經取代的芳基,或R
2與R
3彼此鍵結以形成經取代或未經取代的環;R
0是經氧原子、氮原子、硫原子取代或未經取代C6至C30的烴基且具有至少一個芳香環,或C6至C17的脂族烴基。
於本發明的一具體實施例中,C8-C22疏水性飽和或不飽和脂肪胺是9-十八烯胺(油胺),其含量是2至25重量%的,較佳地,可以是8至12重量%。
於本發明的一具體實施例中,聚胺化合物可選自聚醚胺化合物或聚乙氧基牛脂胺化合物所組成的群組,其含量是2至25重量%,較佳地,可以是8至12重量%。具體來說,聚醚胺是在具有聚醚骨架的樹脂的一個末端或兩個末端上具有一級氨基或二級氨基作為反應性基團的化合物。舉例而言,可以是可商業購得的Huntsman的Jeffamine®商品名D230、D400、D2000、T403、T3000以及T5000等。
於本發明的一具體實施例中,矽烷化合物是胺基矽烷化合物或環氧矽烷化合物,其含量是2至20重量%,較佳地,可以是5至10重量%。矽烷化合物對金屬粉末具有包覆性,舉例而言,環氧矽烷化合物可以是3-環氧丙氧丙基三甲氧矽烷、3-環氧丙氧丙基三乙氧矽烷、3-環氧丙氧丙基甲基二乙氧矽烷、以及2-(3,4-環氧環己基)乙基二甲氧矽烷,如可商業購得的Momentive A186、A187、A1871、CoatOSil 2287、CoatOSil 1770,或是ShinEtsu KBM303、KBM403、KBE402以及KBE403。胺基矽烷化合物可以是N-(2-胺基乙基)3-胺基丙基甲基二甲氧基矽烷、N-(2-胺基乙基)3-胺基丙基三甲氧基矽烷、3-胺基丙基三乙氧基矽烷,如可商業購得的Momentive A1100、A1120、A1130、A1170和A2120、ShinEtsu KBM602、KBM603、KBM903、KBE603以及KBE903。
於本發明的一具體實施例中,醚類溶劑是選自丙二醇甲醚、二丙二醇二甲醚以及二丙二醇甲醚所組成的群組,其含量是10至60重量%,較佳地,可以是25至35重量%。
更進一步來說,本發明的含酯基的胺端基加成物是藉由特定製備方法所得到,其包含:步驟S100(酯化步驟),多元酸酐與多元醇進行酯化反應,得到酯基乳化劑;步驟S200(擴鏈步驟),酯基乳化劑與雙官能性環氧化合物反應,得到聚合物中間體;步驟S300,聚合物中間體與多胺化合物反應,得到含酯基的胺端基加成物,以及步驟S400(封端步驟),含酯基的胺端基加成物與單官能性環氧化合物反應。
具體來說,步驟S100是在氮氣氣氛下,以1.1:1當量比混合一多元醇與一多元酸酐,並在介於110至130℃的溫度下反應3小時,使多元醇與多元酸酐發生酯化反應,以得到一酯基乳化劑(A),其具有化學式:
,
其中,m=1-100、n=1-15,X以及Y各自獨立地選自H、甲基、乙基、羥甲基;R
2和R
3各自獨立地選自H、經取代或未經取代的烷基、經取代或未經取代的芳基,或R
2與R
3彼此鍵結以形成經取代或未經取代的環。
更詳細而言,其中,m=1-100、n=1-15,X以及Y各自獨立地選自H、甲基、乙基、羥甲基,較佳地,多元醇聚合物較佳是分子量介於200至 8000,較佳地,是分子量介於200至 8000的聚乙二醇。高分子量的聚乙二醇PEG可選自:PEG200、PEG400、PEG 1000、PEG 2000、PEG 3000、PEG 6000以及PEG 8000。
其中,R
2和R
3各自獨立地選自H、經取代或未經取代的烷基、經取代或未經取代的芳基,或R
2與R
3彼此鍵結以形成經取代或未經取代的環。
舉例來說,多元酸酐是選自由丁二酸酐(succinic anhydride,SA)、順丁烯二酐(maleic anhydride,MA)、鄰苯二甲酸酐(phthalic anhydride,PA)、反-1, 2-環己羧酸酐(cyclohexanedicarboxylic anhydride,CDA)、四氫苯酐(tetrahydrophthalic anhydride,TPA)、甲基六氫苯酐(methylhexahydrophthalic anhydride,MHHPA)以及所組成的群組。
S200擴鏈步驟:以 0.05:1當量比混合所述酯基乳化劑(A)與一雙官能性環氧樹脂進行擴鏈反應,擴鏈步驟的反應條件是先於110至130℃的溫度反應1小時,再於130至150℃的溫度反應2小時,得到一聚合物中間體(B),其具有化學式:
,
R
0是經氧原子、氮原子、硫原子取代或未經取代C6至C30的烴基且具有至少一個芳香環,或C6至C17的脂族烴基;其中,m=1-100、n=1-15,X以及Y各自獨立地選自H、甲基、乙基、羥甲基;R
2和R
3各自獨立地選自H、經取代或未經取代的烷基、經取代或未經取代的芳基,或R
2與R
3彼此鍵結以形成經取代或未經取代的環。
雙官能性環氧樹脂,意指該樹脂的一分子內具有兩個或多個環氧基團,例如經由烯烴的氧化反應、羥基基團的縮水甘油基醚化反應、一級或二級胺的縮水甘油基胺化反應、或羧酸的縮水甘油基酯化反應形成的環氧基團。本發明的雙官能性環氧樹脂具有以下化學式:
,
其中,n為自然數,n=1~10,R
0是經氧原子、氮原子、硫原子取代或未經取代C6至C30的烴基且具有至少一個芳香環,或C6至C17的脂族烴基。
舉例來說,雙官能性環氧樹脂可選自雙酚型的二縮水甘油醚、支化或線型脂肪族縮水甘油醚、環氧酚醛樹脂或脂環族環氧樹脂所組成的群組。
更進一步來說,二羥酚的二縮水甘油醚例如能夠通過將表鹵代醇與二羥酚在鹼存在下反應來生產。舉例來說,二羥酚可以是選自2,2-雙(4-羥基苯基)丙烷(雙酚-A)、2, 2-雙(4-羥基-3-叔丁基苯基)丙烷、1, 1-雙(4-羥基苯基)乙烷、1, 1-雙(4-羥基苯基)異丁烷、雙(2-羥基-1-萘基)甲烷、1, 5-二羥基萘以及1, 1-雙(4-羥基-3-烷基苯基)乙烷所組成的群組。
脂族縮水甘油醚可選自1, 4-丁二醇、新戊二醇、環己烷二甲醇、己二醇、聚丙二醇、和類似二醇的二縮水甘油醚,三羥甲基乙烷和三羥甲基丙烷的三縮水甘油醚。脂環族環氧樹脂的實例如:3, 4-環氧基環己基甲基-(3, 4-環氧)環己烷羧酸酯、二脂環族二醚二環氧[2- (3, 4-環氧)環己基-5, 5-螺(3, 4-環氧) -環己烷-m-二噁烷] 、雙(3, 4-環氧-環己基甲基)己二酸酯、雙(3, 4-環氧-環己基)己二酸酯以及乙烯基環己烯二氧化物[4- (1, 2-環氧乙基)-1, 2-環氧環己烷]。
其中,m=1-100、n=1-15,X以及Y各自獨立地選自H、甲基、乙基、羥甲基;R
1是經非反應活性氧、至多平均4個二級或三級氮原子取代或非經取代的C2至C18脂族、脂環族或芳族基團;R
2和R
3各自獨立地選自H、經取代或未經取代的烷基、經取代或未經取代的芳基,或R
2與R
3彼此鍵結以形成經取代或未經取代的環;R
0是經氧原子、氮原子、硫原子取代或未經取代C6至C30的烴基且具有至少一個芳香環,或C6至C17的脂族烴基。
更進一步來說,多胺化合物是選自由間亞二甲苯基二胺、1,3-二(氨基甲基)環己烷、 2-甲基-1,5-戊烷二胺、1,3-戊烷二胺、乙二胺、二亞乙基三胺、三亞乙基四胺、聚環氧丙烷二胺、2,2(4),4-三甲基1,6-己烷二胺、異佛爾酮二胺、2,4-甲苯二胺、1,6-己二胺、1,2-二氨基環己烷以及對二氨基二環己基甲烷(PACM)所組成的群組。
其中,R
X如前所示化學式(R
0及R
5如前所述),R
1是經非反應活性氧、至多平均4個二級或三級氮原子取代或非經取代的C2至C18的脂族、脂環族或芳族基團;R
3是選自2-100個碳原子的支化或線性烷基、脂環族、聚氧烷基或鏈烯基基團所組成的群組。
更詳細來說,單官能性環氧化合物作為封端劑,可以是連接到環氧官能團上的脂族、脂環族或芳族化合物。讓一級胺的氫反應減少了由大氣溫度與一級胺的氫反應形成氨基甲酸酯的機會。除了通過反應消耗在取代的芳基醯胺基多胺上的部分或全部一級胺基團可緩解發白現象以外,使醯胺基多胺與環氧官能團反應有著留下一個對環氧基團有反應活性的自由胺屬氫的優點。儘管如此,讓醯胺基多胺化合物上的一級胺與環氧官能團反應還留下了對環氧樹脂更具反應活性的二級胺屬氫。因此,獲得了雙重優點,即在室溫下無外來催化劑的情況下保持足夠的反應活性來固化體系的同時緩解了發白現象。與單官能性環氧化合物反應也形成了羥基,它也可用來與環氧組分反應。
單官能性環氧化合物是選自1,2-己烯化氧化物、1,2-庚烯化氧化物、異庚烯化氧化物、1,2-辛烯化氧化物、1,2-十二碳烯單氧化物、1,2-十五碳烯化氧化物、丁二烯單氧化物、異戊間二烯單氧化物、苯乙烯化氧化物、甲基縮水甘油醚、乙基縮水甘油醚、苯基縮水甘油醚、正丁基縮水甘油醚、甲苯基縮水甘油醚、異丙基縮水甘油醚、苯甲基縮水甘油醚、縮水甘油氧基丙基三甲氧基甲矽烷、辛基縮水甘油醚、壬基縮水甘油醚、癸基縮水甘油醚、十二碳烷基縮水甘油醚、十四碳烷基縮水甘油醚、對-第三丁基苯基縮水甘油醚以及鄰-甲苯基縮水甘油醚所組成的群組之至少一者。
本發明的硬化劑組合物進一步提供一較佳的應用配方,具體來說,本發明提供一種硬化劑塗料配方,其包含:10至30重量%的水性環氧樹脂、1至10重量%的如前述的硬化劑組合物、0.1至5重量%的分散劑、1至5重量%的流變劑、1至10重量%的成膜劑、5至30重量%的溶劑、以及10至70重量%的金屬粉末。
較優選地,水性環氧樹脂可以是10至30重量%、10至25重量%、10至20重量%、10至15重量%、11至30重量%、11至25重量%、11至20重量%、11至15重量%、12至30重量%、12至25重量%、12至20重量%、12至15重量%、13至30重量%、13至25重量%、13至20重量%、13至15重量%、14至30重量%、14至25重量%、14至20重量%、14至15重量%、15至30重量%、15至25重量%、15至20重量%、16至30重量%、16至25重量%、16至20重量%、17至30重量%、17至25重量%、17至20重量%、18至30重量%、18至25重量%、18至20重量%、19至30重量%、19至25重量%、19至20重量%、20至30重量%、20至25重量%、21至30重量%、21至25重量%、22至30重量%、22至25重量%、23至30重量%、24至25重量%、25至30重量%、26至30重量%、26至30重量%、27至30重量%、28至30重量%或29至30重量%。
較優選地,溶劑可以是5至30重量%、10至20重量%或15至20重量%。
較優選地,如前述的硬化劑組合物可以是1至10重量%、2至10重量%、3至10重量%、4至10重量%、5至10重量%、6至10重量%、7至10重量%、8至10重量%或9至10重量%。
於本發明的一具體實施例中,金屬粉末是選自鋅粉、鋁粉以及鎂粉所組成的群組,及前述金屬粉的混合物,且包含彼等的合金和金屬間混合物,其含量是10至70重量%。更詳細來說,金屬粉末可以是粉狀、顆粒或薄片,於粉末或糊分散形式。金屬粉末一般來說是使得所有粒子都通過100目篩的粒度(“目”(mesh)於此所用者是美國標準篩系列)。
具體來說,水性環氧樹脂可以選自可商業購得的如 Huntsman Araldite®的 PZ 3901、 3921、3961-1、Hexion EPI-REZ Resin 3520、EPIKOTE 6520-WH-53及其等的組合。
於本發明的一具體實施例中,所述成膜劑是丙二醇單甲醚或二丙二醇丁醚或其組合。
於本發明的一具體實施例中,分散劑及流變劑可選自可商業購得的產品,分散劑如型號BYK-190,流變劑如BYK-425。
[製備例]
製備本發明的含酯基胺端基加成物
在氮氣氣氛下,混合100克聚乙二醇PEG6000與5.3克甲基六氫苯酐(MHHPA),在120℃的溫度下反應3小時,使其產生酯化反應,以得到105.3克的酯基乳化劑(A)。
混合105克酯基乳化劑(A)與258克南亞塑膠生產環氧樹脂NPEL-136以進行擴鏈反應,於120℃的溫度反應1小時,再於140℃的溫度反應2小時,得到一聚合物中間體(B)。
混合175克聚合物中間體(B)與過量二乙烯三胺 (DETA),在70℃的溫度下反應4小時,去除多餘的DETA,得到含酯基胺端基加成物(C)。
再加入55.6克的正丁基縮水甘油醚(BGE)進行封端反應,於70℃的溫度下反應2小時候降溫至60℃,並加入去離子水280克於200rpm恆速下攪拌1小時,得到經封端的含酯基胺端基加成物(D)。
[實施例1-3]
製備本發明的硬化劑組合物
依據以下表1中配方混合製備例所製得的經封端的含酯基胺端基加成物(D)、油胺、聚胺化合物、矽烷化合物,加入適量丙二醇甲醚作為溶劑,以200轉/分鐘高速機械攪拌60分鐘,得到本發明的硬化劑組合物。
表1
組份含量(wt%) | 實施例1 | 實施例2 | 實施例3 |
經封端的含酯基胺端基加成物(D) | 14.5 | 19.6 | 25.0 |
油胺 | 12.3 | 9.8 | 7.2 |
聚胺化合物 (Jeffamine T5000) | 19.8 | 13.6 | 9.5 |
矽烷化合物 (ShinEtsu KBM303) | 9.5 | 8.3 | 6.5 |
丙二醇甲醚 | 43.9 | 48.7 | 51.8 |
將表1所製備的硬化劑組合物依據表2的配方製備為塗料(wt%):
表2
水性環氧樹脂*:
Huntsman Araldite® PZ 3901、 3921、3961-1
Hexion EPI-REZ Resin 3520
EPIKOTE 6520-WH-53
塗料配方 | 重量(g) | wt% |
實施例1的硬化劑組合物 | 7.90 | 5.22 |
分散劑 BYK-190 | 0.62 | 0.41 |
流變劑 BYK-425 | 2.52 | 1.66 |
鋅粉 | 83.81 | 55.37 |
成膜劑(丙二醇單甲醚,PM) | 3.15 | 2.08 |
成膜劑(二丙二醇丁醚,DPNB) | 2.00 | 1.32 |
水性環氧樹脂* | 26.36 | 17.42 |
去離子水 | 25.00 | 16.52 |
[實施例的有益效果]
本發明的其中一有益效果在於,本發明所提供的硬化性化合物,其能通過本發明的特定比例的技術方案,降低製程繁複及成本,更提升產品的耐鹽霧、抗腐蝕以及耐衝擊性能。
以上所公開的內容僅為本發明的優選可行實施例,並非因此侷限本發明的申請專利範圍,所以凡是運用本發明說明書及圖式內容所做的等效技術變化,均包含於本發明的申請專利範圍內。
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Claims (10)
- 一種硬化劑組合物,其包含: 5至25重量%的含酯基的胺端基加成物; 2至25重量%的C8-C22疏水性飽和或不飽和脂肪胺; 2至25重量%的聚胺化合物; 2至20重量%的矽烷化合物;以及 10至60重量%的醚類溶劑; 其中,所述含酯基的胺端基加成物包括化學式: , 其中,m=1-100、n=1-15,X以及Y各自獨立地選自H、甲基、乙基、羥甲基;R 1是經非反應活性氧、至多平均4個二級或三級氮原子取代或非經取代的C2至C18脂族、脂環族或芳族基團;R 2和R 3各自獨立地選自H、經取代或未經取代的烷基、經取代或未經取代的芳基,或R 2與R 3彼此鍵結以形成經取代或未經取代的環;R 0是經氧原子、氮原子、硫原子取代或未經取代C6至C30的烴基且具有至少一個芳香環,或C6至C17的脂族烴基。
- 如申請專利範圍第1項所述的硬化劑組合物,其中,所述C8-C22疏水性飽和或不飽和脂肪胺是9-十八烯胺。
- 如申請專利範圍第1項所述的硬化劑組合物,其中,所述聚胺化合物是聚醚胺化合物或聚乙氧基牛脂胺化合物。
- 如申請專利範圍第1項所述的硬化劑組合物,其中,所述矽烷化合物是胺基矽烷化合物或環氧矽烷化合物。
- 如申請專利範圍第1項所述的硬化劑組合物,其中,所述醚類溶劑是選自丙二醇甲醚、二丙二醇二甲醚以及二丙二醇甲醚所組成的群組。
- 如申請專利範圍第6項所述的硬化劑組合物,其中,所述單官能性環氧化合物是選自1,2-己烯化氧化物、1,2-庚烯化氧化物、異庚烯化氧化物、1,2-辛烯化氧化物、1,2-十二碳烯單氧化物、1,2-十五碳烯化氧化物、丁二烯單氧化物、異戊間二烯單氧化物、苯乙烯化氧化物、甲基縮水甘油醚、乙基縮水甘油醚、苯基縮水甘油醚、正丁基縮水甘油醚、甲苯基縮水甘油醚、異丙基縮水甘油醚、苯甲基縮水甘油醚、縮水甘油氧基丙基三甲氧基甲矽烷、辛基縮水甘油醚、壬基縮水甘油醚、癸基縮水甘油醚、十二碳烷基縮水甘油醚、十四碳烷基縮水甘油醚、對-第三丁基苯基縮水甘油醚以及鄰-甲苯基縮水甘油醚所組成的群組。
- 一種硬化劑塗料配方,其包含: 10至30重量%的水性環氧樹脂; 1至10重量%的如申請專利範圍第1項所述的硬化劑組合物; 0.1至5重量%的分散劑; 1至5重量%的流變劑; 1至10重量%的成膜劑; 5至30重量%的溶劑;以及 10至70重量%的金屬粉末。
- 如申請專利範圍第8項所述的硬化劑塗料配方,其中,所述金屬粉末是選自鋅粉、鋁粉以及鎂粉所組成的群組。
- 如申請專利範圍第8項所述的硬化劑塗料配方,其中,所述成膜劑是選自丙二醇單甲醚或二丙二醇丁醚所組成的群組。
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