探讨了聚酯多元醇、泡沫稳定剂、发泡剂及催化剂等原料对硬质聚氨酯泡沫塑料制备的影响。
The influence of some raw materials such as polyester the uniformity vesica nt foams and catalysts to the preparation of rigid polyurethanes foam is also discussed.
以马来海松酸酯多元醇、马来松香酯多元醇和松节油马来酐加成物酯多元醇为基，制备了硬质聚氨酯泡沫塑料。
A series of rigid PU foams based respectively on maleopimaric acid ester polyols , rosin-maleicanhydride adduct ester polyols and turpentine-maleic anhydride adduct ester polyols were synthesized.
探讨了聚酯多元醇、泡沫稳定剂、发泡剂及催化剂等原料对硬质聚氨酯泡沫塑料制备的影响。
The influence of some raw materials such as polyester the uniformity, vesicant foams and catalysts to the preparation of rigid polyurethanes foam is also discussed.
探讨了聚酯多元醇、泡沫稳定剂、发泡剂及催化剂等原料对硬质聚氨酯泡沫塑料制备的影响。
The influence of some raw materials such as polyester the uniformity vesicant foams and catalysts to the preparation of rigid polyurethanes foam is also discussed.
探讨了聚酯多元醇、泡沫稳定剂、发泡剂及催化剂等原料对硬质聚氨酯泡沫塑料制备的影响。
The influence of some raw materials such as polyester, the uniformity, vesicant foams and catalysts to the preparation of rigid polyurethanes foam is also discussed.
将涤纶废产物用二甘醇和三元醇经酯基转移合成齐聚酯多元醇，并用其制备聚氨酯硬质泡沫塑料。
A study was conducted to synthesize oligoester alcohols from poly (ethylene terephthalate) production wastes via transesterification with diethylene glycol and tribasic alcohol.
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.
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.
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.
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