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单词 prepolymer
释义

Definition of prepolymer in English:

prepolymer

noun priːˈpɒlɪməprēˈpäləmər
Chemistry
  • A substance which represents an intermediate stage in polymerization, and can be usefully manipulated before polymerization is completed.

    the prepolymer forms a polymerized gel when activated
    Example sentencesExamples
    • Artificial clays containing a catalyst can initiate polymerization when the particles are mixed with a prepolymer matrix.
    • Siloxanes are prepolymers - the result of partial polymerization of silanes - in which the molecules are beginning to link, but only in sets of two or three, not yet in full chains.
    • ‘The ultimate resolution is correlated to the ability of the prepolymer to conform to the surface and the ability of the cross-linked polymer to retain the molded shape,’ Rogers said.
    • Some researchers believe that prepolymers achieve better results.
 
 

Definition of prepolymer in US English:

prepolymer

nounprēˈpäləmər
Chemistry
  • A substance which represents an intermediate stage in polymerization, and can be usefully manipulated before polymerization is completed.

    the prepolymer forms a polymerized gel when activated
    Example sentencesExamples
    • Siloxanes are prepolymers - the result of partial polymerization of silanes - in which the molecules are beginning to link, but only in sets of two or three, not yet in full chains.
    • ‘The ultimate resolution is correlated to the ability of the prepolymer to conform to the surface and the ability of the cross-linked polymer to retain the molded shape,’ Rogers said.
    • Artificial clays containing a catalyst can initiate polymerization when the particles are mixed with a prepolymer matrix.
    • Some researchers believe that prepolymers achieve better results.
 
 
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更新时间:2025/2/5 11:11:39