广泛应用于高回弹冷熟化,微孔弹性体及半硬质聚氨酯泡沫塑料制品。
They are widely used in high elastic resilient cold cure, microporous elastomer and semi-rigid polyurethane foam plastics.
找出了发泡剂为氟里昂- 11的聚醚基浇注型聚氨酯硬泡沫塑料上述弹性性质的经验公式。
The experience formulas for the above-mentioned elastic properties of a moulded PUR foam of polyether base blown by F-11 are presented here.
测定了低温下聚氨酯硬泡沫塑料拉伸、剪切和压缩弹性模量与泡沫密度、方向以及温度的关系。
Measurements have been made to determine the relation of the tension, the compression and the shearing of PUR foam at low temperature with its density, direction and temperature.
结果表明,随着植物油多元醇加入量增加,泡沫塑料的压缩强度和弯曲模量逐渐减小,弹性模量呈先缓慢上升后下降趋势。
The results showed that compressive strength and bend modulus were decreased and elastic modulus increased, then dropped when vegetable oil polyol was used.
海绵磨块以泡沫塑料为基体制成,富有弹性和柔软性,干湿磨效果理想,用水冲洗可反复使用。
It is flexible and soft. It is ideal for dry or wet grinding and can be reusable after washing.
确定了泡沫塑料的动态屈服强度和动态弹性模量等力学参数,并同落锤冲击实验及准静态压缩实验的结果进行了比较。
The dynamic yield strength and moduli are also determined. At the same time, the experimental results are compared with the ones of Drop Testing and quasi-static compression experiment.
通过本发明方法制造的聚醚多元醇可以用于生产改性聚氨酯产物,例如涂料、粘合剂、密封剂、弹性体和泡沫塑料等。
Polyether polyols made by the inventive process may be used to produce improved polyurethane products such as coatings, adhesives, sealants, elastomers, foams and the like.
还实际测试了两种国产泡沫塑料材料的静态应力应变关系,根据上述原则和实测数据建立了泡沫塑料包装衬垫的非线性弹性模型并拟合了模型参数。
The sta- tic relation between stress and strain of two kinds of foamed plastics material made in China are measured. The nonlinear elastic models of foamed …
还实际测试了两种国产泡沫塑料材料的静态应力应变关系,根据上述原则和实测数据建立了泡沫塑料包装衬垫的非线性弹性模型并拟合了模型参数。
The sta- tic relation between stress and strain of two kinds of foamed plastics material made in China are measured. The nonlinear elastic models of foamed …
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