poly ester 中文意思是什麼
poly ester
解釋
聚酯-
Studies on the liquid crystalline characters and phase transition behaviors of a poly ester imide copolymer
聚酯酰亞胺共聚物的液晶特性和相轉變研究 -
This article mainly focus on the selection and amelioration of catalyst. we think the mechanism of depolymerization reaction of the poly lactic acid ( oligomer ) is a intramolecular ester exchange reaction
本文從改善合成反應的催化條件入手，通過對丙交酯合成反應的機理分析，認為整個反應是一個酯化和分子內的酯交換的反應過程。 -
Block poly ester ether
嵌段聚醚酯 -
Some novel bioelastomers, especially degradable bioelastomer, including network polyester, polyhydroxyalkanoate, poly ( ether ester ), polypetide, poly ( ortho ester ) and hydrogel, were reviewed
摘要綜述了網路型聚酯、聚羥基烷基酸酯、聚醚酯、聚肽、聚原酸酯和水凝膠等新型生物彈性體的研究進展。 -
In this paper, a new class of concrete high performance water reducer ( hpwr ) was designed from chemical classification of high performance wra, working principle and unit structure model of poly - carboxylate series wra. the comb - like copolymer structure of hpwr was " carboxylic group - ether link - ester link ". the synthetic chemical materials was polyethylene glycil, acrylic acid and methyl - metacrylic acid ester
本文從高性能減水劑的化學結構、作用機理以及聚羧酸類減水劑的單元結構模型出發，設計出國內所沒有的一類新型高性能減水劑? ? 「羧酸?醚鍵?酯鍵」為單元結構模型的梳型分子結構的減水劑共聚物，並確定了以聚乙二醇（ peg ）系列、丙烯酸（ aa ） 、甲基丙烯酸甲酯（ mma ）為合成該類減水劑的主要化學原料。 -
Two - step procedure is preferable to prepare high molecular weight poly ( olefin - ester ) s with a high polar monomer content and a high melting temperature
兩段聚合過程適于制備高分子量的烯烴共聚酯，聚合物收率達90 % ，極性單體的插入率大於10 % ，熔融溫度高達120 。 -
The yield, molecular weight, polar comonomer content and melting temperature of the poly ( olefin - ester ) s can be controlled by the change of polymerization reaction condition
改變聚合條件，可控制烯烴共聚酯的分子量、極性單體插入率和熔融溫度等性質。 -
Abstract : crystallinity and mechanical properties of poly ( ester - ether ) liquid crystalline elastomer and their fibers were investigated by waxdand single fiber electronic tensile strength tester
文摘:利用廣角x射線衍射儀和單纖維電子強力儀對聚酯醚液晶彈性體及其纖維的結晶性和力學性能進行了研究。
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