固相聚合
- 网络Solid-phase polymerization;solid polymerization;SSP;Solid Phase Polycondensation
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但随着固相聚合时间的延长,共聚酯的结晶温度下降,形成的晶粒变小;
With prolonging SSP time , the crystallization temperature of copolymers decreased and their dimension of crystals was smaller compared with that of pure PET .
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固相聚合制备导电聚苯胺及其性能的研究
Preparation of Conducting Polyaniline by Solid Polymerization and Its Performance
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PET固相聚合反应机理及动力学模型
Kinetic Scheme and Modeling for Solid State Polycondensation of PET
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固定床中PET固相聚合的研究
Solid state polymerization of pet in fixed bed reactor
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固相聚合PET及饮料瓶的热性能研究
Study on the thermal behavior of solid state condensation polymerization of pet and PET bottle
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超高分子量PET的固相聚合
Solid-state polymerization of pet
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研究发现,共聚酯的熔融峰随着固相聚合温度和时间的变化而与纯PET有明显的差别;
The experimental results show that the changes of melt peaks of copolyesters with changing of S. S. P.temperature and time are different from PET homopolymer .
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当反应温度较低时(如160~180℃),PET固相聚合总是化学反应控制的过程。
That is to say , if the polymerization temperature is low ( e.g.less than 200 ℃), the SSP is generally controlled by chemical reaction process .
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利用固相聚合反应法制备了盐酸掺杂聚苯胺,并以红外光谱(FTIR),电子扫描显微镜(SEM)、X射线衍射(XRD)、循环伏安(cyclicvoltametry)等测试,对聚苯胺进行了表征。
Polyaniline doped with hydrochloride acid has been firstly prepared using solid-state reaction synthesis method at room temperature and ( 0 ℃) . Polyaniline particles were characterized by FT-IR , SEM , XRD and cyclic voltammogram .
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本文对PA6固相聚合(SSP)过程中影响聚合产物相对分子质量(RMW)的因素进行了研究。
The influence factors of solid-state polymerization ( SSP ) on relative molecular weight ( RMW ) in nylon 6 are studied .
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用DSC和SAXS研究了不同缩聚催化体系瓶用固相聚合PET树酯的双重熔融行为和结晶结构参数(熔点、结晶度、晶片厚度等)。
The double melting behavior crystallinity and morphology ( lamellar thickness ) of the resins in beverage bottles-PET under solid state polycondensation with different catalyst systems have been studied by DSC and SAXS .
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应用DSC、TGA和TMA研究了固相聚合PET树脂的双重熔融行为、热稳定性及瓶坯、包装瓶的结晶性能和膨胀性。
The double - melt behavior , thermal stability of soild state condensation polymerization of PET and the crystallization , expansibility of PET bottle have been studied by DSC , TGA and TMA .
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结果表明,固相聚合法合成的P(DThPD)和P(DThPh)具有纳米颗粒串连的棒状或环状结构;刚性棒状聚甲亚胺/尼龙6复合材料的制备与表征
The TEM images showed that p ( dthpd ) and p ( dthph ) had nanostructures . preparation and characterization of rigid rod polyazomethine / nylon 6 composites through in-situ polymerization
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研究了12个单体铸膜在紫外(250nm)光照条件下拓扑固相聚合反应,利用紫外吸收光谱、红外光谱对聚合过程进行了表征,并用GPC对生成的聚合物分子量进行检测。
The solid-state polymerization of monomers were investigated in cast film under UV irradiation ( 250nm ) . Polymerization processes were characterized by UV , IR and the resulting polymer molecular weight was measured by GPC . 3 .
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双官能团酸调节剂下尼龙6固相聚合模型化
Modeling for solid-state polymerization of nylon 6 with bifunctional acid regulator
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从餐厨垃圾所得乳酸丁酯经熔融固相聚合成聚乳酸的研究
Melt-solid Polycondensation of Butyl Lactate from Kitchen Waste to Obtain Polylactic Acid
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熔融-固相聚合法直接合成聚乳酸的研究
A Study on the Direct Synthesis of Polylactic Acid via Melt-solid Polycondensation
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尼龙6固相聚合研究
The study on solid state polymerization in nylon 6
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马来酸酐的微波固相聚合研究
Study of microwave solid state polymerization on maleic anhydride
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尼龙-6固相聚合及其性能研究
Study on Nylon-6 Solid State Polycondensation and Its Properties
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炔丙基结晶单体合成与辐射固相聚合
Synthesis of crystal ine monomers containing propargyl group and their polymerization in solid state
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温度对固相聚合反应盐酸掺杂聚苯胺的影响
Effect of temperature on the solid-state polymerization reaction of polyaniline doped with hydrochloride acid
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尼龙6固相聚合建模与计算机仿真
Modeling for solid-state polymerization of nylon 6
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采用熔融固相聚合制备了乳酸-氨基酸共聚物。
The copolymer of lactic acid and amino acid was prepared by the melt / solid polymerization .
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通过控制辐射功率、辐射时间而控制聚合为低温固相聚合。
Solid state polymerization can be controlled in low temperature by controlling time and power of radiation .
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讨论了酯化反应,熔融聚合,固相聚合阶段的工艺条件。
The process conditions in the stages of esterification , melt polymerization and solid state polymerization were discussed .
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介绍了用压差法测定改性聚酯切片经干燥和固相聚合后的含水率。
Water content of modified polyester chips were determined by pressure-difference method after being dried and solid state polycondensation .
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它是由二乙炔衍生物单体经过拓扑固相聚合得到的,而拓扑固相聚合的发生需要一定的条件。
PDA was obtained by topological solid-state polymerization of diacetylene derivative monomer . The topological solid-state polymerization occurs that requires a certain conditional .
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合成高分子量聚乳酸的主要方法有开环聚合、扩链聚合、溶液聚合及熔融固相聚合等。
Some novel methods , such as ring-opening polymerization , chain extension , solution polymerization and melt / solid polycondensation , are introduced .
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结果表明,共聚酯固相聚合反应速度明显快于纯聚酯。
It is shown , that the reaction rate on solid state polycondensation of copolyesters is obviously faster than pure polyester ( PET ) .