The results showed that PU elastomers with broad glass transition temperature and damping temperature could be prepared with three soft segments by semi-prepolymer method at appropriate conditions.
结果表明，选择适当的软段组分和制备条件，通过半预聚体方式制备三软段聚氨酯弹性体是可行的。
Many factors influence the film gloss of semi-gloss PU varnish, including particularity of coatings compositions, regulation extent of application technology and difference of application conditions.
影响聚氨酯亚光清漆涂膜光泽度的因素是多种多样的，既有涂料配方的特殊性，也有涂装工艺的规范性，更有施工环境的差异性。
Many factors influence the film gloss of semi-gloss PU varnish, including particularity of coatings compositions, regulation extent of application technology and difference of application conditions.
影响聚氨酯亚光清漆涂膜光泽度的因素是多种多样的，既有涂料配方的特殊性，也有涂装工艺的规范性，更有施工环境的差异性。
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