• The tensile strength of NEPE propellant had a little decrease but the elongation was significantly increased after adding of the chain extender.

    剂可以拉伸强度少量降低情况下大幅度提高NEPE推进剂伸长率

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  • The chain extender is used to convert the low-activity hydroxy groups of both ends of the polydimethylsiloxane into high-activity isocyanate groups.

    用来聚二甲基硅氧烷两端活性较弱羟基转变高活性的异氰酸酯基。

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  • There existed an optimal dosage of the chain extender, lack of which caused deficiency of chain extension and excess of which led to more blocking reaction.

    用量存在最佳值,用量不足时偶联反应不充分,用量过量时封端反应加剧。

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  • The effects of type, concentration of chain extender, curing temperature and time of silicone sealants with low modulus and high elongation on their mechanical properties were studied.

    制备不同模量高延伸率室温硫化有机硅密封材料,考察类型用量、固化温度时间材料性能和交联度的影响。

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  • The function of common chain extender and it 's application status in PVC resin production has been discussed.

    讨论常见功能聚氯乙烯树脂生产中的应用

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  • The effects of hard segment structure, hard segment content and chain extender with different structure on physical mechanical properties of dry films and water absorption were studied.

    研究不同结构硬段含量其干物理机械性能吸水影响

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  • By adding proper crosslinking agent, chain extender and bonding agent, the mechanical properties of GAP based propellants can be tailored to a higher level.

    引入适当的交联合剂可使GAP推进剂力学性能达到较高水平。

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  • The effect of kinds of chain extender, active diluents and the structure of isocyanate on mechanical properties of the elastomer is discussed.

    考察了种类活性稀释异氰酸酯聚氨酯灌封胶力学性能影响

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  • With the amount of chain-extender BDO added, the performance of elastomer becomes well, but when the amount of BDO comes to a certain point it appears reverse.

    BDO链为例,随其用量增加弹性体性能提高,达到一定再增加用量性能反而下降;

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  • Via the reaction among chain extender and PET chips, three-dimension network was formed and the crystal structure in the bottle blowing process was maintained in the new blends.

    借助PET反应形成该材料的三网络结构同时保留加工时的有序结构。

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  • The polyurethane glue stock used for making draft roll was investigated by using self made chain extender and modifier.

    采用自制改性剂,通过对聚合多元醇的品种与分子量的选择,研制出了适合纺织牵伸聚氨酯

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  • The polyurethane glue stock used for making draft roll was investigated by using self made chain extender and modifier. The varieties and molecular weight of polyester polyol were selected.

    采用自制链剂改性剂,通过对聚合多元品种分子量选择,研制出了适合纺织牵伸聚氨酯

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  • In the experiment, di-isocyanate, polyether diol and a hydrophilic chain-extender were used to synthesize aqueous urethane.

    实验采用二异氰酸酯二元醇链剂反应合成水性聚氨酯

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  • The results show that the mechanical properties of polyurethane vary with polyol, mulriisocyanate and chain-extender.

    结果表明不同的低聚物多元醇、多异氰酸扩链剂聚氨酯力学性能有较大影响;

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  • The optimal dosage of chain extender was selected to PA1010 with different melt index (MI);

    针对具有不同熔体流会指数MIPA材料,得出最佳剂加入

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  • Securely held by a lobster clasp closure, the pendant also comes with an extender chain.

    龙虾平安保险方便,配有加长配饰

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  • By adding proper crosslinking agent, chain extender and bonding agent, the mechanical properties of GAP based propellants can be tailored to a higher...

    引入适当的交联合剂可使GAP推进剂力学性能达到较高水平。

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  • The results showed it might raise the heat st resistance of casting polyurethane to use the compound chain extender of MOCA ad TMP and quartz powder.

    试验结果表明MOCA与TMP并用作为交联填加无机耐热填料石英粉提高聚氨酯耐热性。

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  • The effects of the amount of chain extender on intrinsic viscosity of nylon 66 was studied and the content of end groups was measured.

    研究尼龙66样品特性粘度用量的变化规律,测定了扩链前后羧基、端氨基含量的变化。

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  • The pendant hangs on a brown cotton cord that comes with a rhodium-plated lobster clasp closure and an extender chain.

    咖啡色绳上。白金色龙虾和一个加长配件。

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  • The pendant hangs on a brown cotton cord that comes with a rhodium-plated lobster clasp closure and an extender chain.

    咖啡色绳上。白金色龙虾和一个加长配件。

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