Time-dependent responses in cross-linking polymers
Time-dependent responses in cross-linking polymers
批准号:
175077-2009
负责人:
Sullivan, Pearl
金额:
$1.68万
依托单位:
依托单位国家:
加拿大
项目类别:
Discovery Grants Program - Individual
财政年份:
2010
资助国家:
加拿大
项目状态:
已结题
起止时间:
2010-01-01 至 2011-12-31
中文摘要
粘合剂是以聚合物为基础的液体或薄膜,用于粘合或连接部件。结构胶粘剂必须在高温下固化,以达到连接完整性所需的强度和刚度。固化是一个术语,用来描述液体树脂硬化形成强交联聚合物时的化学反应。聚合物的一个固有特征是它们的物理和机械性能强烈地依赖于时间和温度。这种现象被称为粘弹性,由于加工后聚合物的长期稳定性尚不为人所知,因此在工程上存在潜在问题。
英文摘要
Adhesives are polymer-based liquids or films that are used to bond or join components. Structural adhesives have to be cured at elevated temperature to achieve the strength and stiffness needed for joint integrity. Cure is a term used to describe the chemical reaction when liquid resins harden to form a strong cross-linked polymer. An inherent characteristic of polymers is that their physical and mechanical properties are strongly dependent on both time and temperature. This phenomenon, known as viscoelasticity, presents potential problems in engineering since the long-term stability of polymers after processing is not well known.
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Time-dependent responses in cross-linking polymers
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批准号:175077-2009
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项目类别:Discovery Grants Program - Individual
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依托单位:
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项目类别:Discovery Grants Program - Individual
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资助金额:$1.93万
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财政年份:1999
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负责人:Sullivan, Pearl
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依托单位:
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