固化剂

 <*n style="font-size:10.5pt;mso-bidi-font-size:12.0pt; font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";mso-bidi-font-family:"Times New Roman";mso-font-kerning:1.0pt; mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">各种<*n lang="EN-US" style="font-size:10.5pt; mso-bidi-font-size:12.0pt;font-family:"Times New Roman";mso-fareast-font-family: 宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA"><*n lang="EN-US" style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">固化剂<*n style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">的固化温度各不相同，固化物的耐热性也有很大不同。一般地说，使用固化温度高的<*n lang="EN-US" style="font-size:10.5pt; mso-bidi-font-size:12.0pt;font-family:"Times New Roman";mso-fareast-font-family: 宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA"><*n lang="EN-US" style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">固化剂<*n style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">可以得到耐热优良的固化物。对于加成聚合型<*n lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:12.0pt; font-family:"Times New Roman";mso-fareast-font-family:宋体;mso-font-kerning:1.0pt; mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA"><*n lang="EN-US" style="font-family:宋体; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">固化剂<*n style="font-size:10.5pt; mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:"Times New Roman"; mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">，固化温度和耐热性按下列顺序****：<*n lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman"; mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US; mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">
<*n style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"; mso-bidi-font-family:"Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language: EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">脂肪族多胺<*n lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman"; mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US; mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA"><<*n style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">；脂环族多胺<*n lang="EN-US" style="font-size: 10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman";mso-fareast-font-family: 宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA"><<*n style="font-size:10.5pt;mso-bidi-font-size: 12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";mso-bidi-font-family:"Times New Roman";mso-font-kerning:1.0pt; mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">；芳香族多胺<*n lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman"; mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US; mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">≈<*n style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">酚醛<*n lang="EN-US" style="font-size:10.5pt; mso-bidi-font-size:12.0pt;font-family:"Times New Roman";mso-fareast-font-family: 宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA"><<*n style="font-size:10.5pt;mso-bidi-font-size: 12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";mso-bidi-font-family:"Times New Roman";mso-font-kerning:1.0pt; mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">酸酐<*n lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman"; mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US; mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">
<*n style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"; mso-bidi-font-family:"Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language: EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">催化加聚型<*n lang="EN-US" style="font-size:10.5pt; mso-bidi-font-size:12.0pt;font-family:"Times New Roman";mso-fareast-font-family: 宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA"><*n lang="EN-US" style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">固化剂<*n style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">的耐热性大体处于芳香多胺水平。阴离子聚合型（叔胺和咪唑化古物）、阳离子聚合型（<*n lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman"; mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US; mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">BF3<*n style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">络合物）的耐热性基本上相同，这主要是虽然起始的反应机理不同，但****终都形成醚键结合的网状结构。<*n lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman"; mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US; mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">

<*n style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"; mso-bidi-font-family:"Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language: EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">固化反应属于化学反应，受固化温度影响很大，温度增高，反应速度加快，凝胶时间变短；凝胶时间的对数值随固化温度上升大体呈直线下降趋势。但固化温度过高，常使固化物性能下降，所以存在固化温度的上限；必须选择使固化速度和固化物性能折衷的温度，作为合适的固化温度。按固化温度可把<*n lang="EN-US" style="font-size:10.5pt; mso-bidi-font-size:12.0pt;font-family:"Times New Roman";mso-fareast-font-family: 宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA"><*n lang="EN-US" style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">固化剂<*n style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">分为四类：低温<*n lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:12.0pt; font-family:"Times New Roman";mso-fareast-font-family:宋体;mso-font-kerning:1.0pt; mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA"><*n lang="EN-US" style="font-family:宋体; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">固化剂<*n style="font-size:10.5pt; mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:"Times New Roman"; mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">固化温度在室温以下；室温<*n lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:12.0pt; font-family:"Times New Roman";mso-fareast-font-family:宋体;mso-font-kerning:1.0pt; mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA"><*n lang="EN-US" style="font-family:宋体; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">固化剂<*n style="font-size:10.5pt; mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:"Times New Roman"; mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">固化温度为室温～<*n lang="EN-US" style="font-size:10.5pt; mso-bidi-font-size:12.0pt;font-family:"Times New Roman";mso-fareast-font-family: 宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">50<*n style="font-size:10.5pt;mso-bidi-font-size: 12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";mso-bidi-font-family:"Times New Roman";mso-font-kerning:1.0pt; mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">℃；中温<*n lang="EN-US" style="font-size:10.5pt; mso-bidi-font-size:12.0pt;font-family:"Times New Roman";mso-fareast-font-family: 宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA"><*n lang="EN-US" style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">固化剂<*n style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">为<*n lang="EN-US" style="font-size:10.5pt; mso-bidi-font-size:12.0pt;font-family:"Times New Roman";mso-fareast-font-family: 宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">50<*n style="font-size:10.5pt;mso-bidi-font-size: 12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";mso-bidi-font-family:"Times New Roman";mso-font-kerning:1.0pt; mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">～<*n lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman"; mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US; mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">100<*n style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">℃；高温<*n lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman"; mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US; mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA"><*n lang="EN-US" style="font-family:宋体; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">固化剂<*n style="font-size:10.5pt; mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:"Times New Roman"; mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">固化温度在<*n lang="EN-US" style="font-size:10.5pt; mso-bidi-font-size:12.0pt;font-family:"Times New Roman";mso-fareast-font-family: 宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">100<*n style="font-size:10.5pt;mso-bidi-font-size: 12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";mso-bidi-font-family:"Times New Roman";mso-font-kerning:1.0pt; mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">℃以上。属于低温固化型的<*n lang="EN-US" style="font-size:10.5pt; mso-bidi-font-size:12.0pt;font-family:"Times New Roman";mso-fareast-font-family: 宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA"><*n lang="EN-US" style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">固化剂<*n style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">品种很少，有聚琉醇型、多异*型等；近年来国内研制投产的<*n lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman"; mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US; mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">T-31<*n style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">改性胺、<*n lang="EN-US" style="font-size: 10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman";mso-fareast-font-family: 宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">YH-82<*n style="font-size:10.5pt;mso-bidi-font-size: 12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";mso-bidi-font-family:"Times New Roman";mso-font-kerning:1.0pt; mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">改性胺均可在<*n lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman"; mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US; mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">0<*n style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">℃以下固化。属于室温固化型的种类很多：脂肪族多胺、脂环族多胺；低分子聚酰胺以及改性芳胺等。属于中温固化型的有一部分脂环族多胺、叔胺、眯唑类以及****络合物等。属于高温型<*n lang="EN-US" style="font-size:10.5pt; mso-bidi-font-size:12.0pt;font-family:"Times New Roman";mso-fareast-font-family: 宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA"><*n lang="EN-US" style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">固化剂<*n style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">的有芳香族多胺、酸酐、甲阶酚醛树脂、氨基树脂、*以及酰肼等。<*n lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman"; mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US; mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">
<*n style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"; mso-bidi-font-family:"Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language: EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">对于高温固化体系，固化温度一般分为两阶段，在凝胶前采用低温固化，在达到凝胶状态或比凝胶状态稍高的状态之后，再高温加热进行后固化（<*n lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman"; mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US; mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">*t-cure<*n style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">），相对之前段固化为预固化（<*n lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman"; mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US; mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">pre-cure<*n style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">）。<*n lang="EN-US" style="font-size:10.5pt; mso-bidi-font-size:12.0pt;font-family:"Times New Roman";mso-fareast-font-family: 宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">

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