溶胀度
- 网络Swelling degree;degree of swelling;swelling coefficient
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材料的溶胀度随Gel与CS配比的增大和GLA用量的减小而增大。
The swelling degree increased when the ratio of Gel to CS increased or the content of GLA decreased .
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与纯SPI膜相比,共混膜的含液率有所降低,但溶胀度也降低了。
Compared with pristine SPI membrane , liquid content of blend membranes reduced and swelling degree also decreased .
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与常规线性PET相比,改性PET具有较小的溶胀度和溶解度。
Compared with traditional linear PET , modified PET displays both lower swelling ratio and solubility .
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CMC水凝胶的溶胀度随着温度的增加而增加,表现出较好的温度敏感性。
The CMC hydrogel swelling ratio increased with temperature . And the CMC hydrogel showed good temperature sensitivity .
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利用SEM观察了制备得到的微球的形貌,并用激光光散射粒度分析仪测定了微球的粒径大小及分布,同时测定了各复合膜的溶胀度。
The surface morphology of microspheres was examined by SEM and the particle size and size distribution were measured with a laser diffraction particle size analyzer .
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实验表明,随着PVP含量的提高,膜的亲水性增强,溶胀度增加,渗透通量提高。
Experimental results indicated that the hydrophilicity of the membranes was enhanced , the swelling degree and permeation flux increased .
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高温有利于提高Nafion的溶胀度,使体相内的磺酸基团更易接近。
High temperature profits to enhance the swelling capacity of Nafion and makes the bulk phase more accessible .
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室温下,fun一IPN凝胶的平衡溶胀度和溶胀速率均小于Semi一IPN凝胶的平衡溶胀度和溶胀速率。
At room temperature , the equilibrium swelling ratios and swelling rates of the full-IPN hydrogels are lower than those of the semi-IPN hydrogels .
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所制备PES/SPEEK共混膜的含水率、溶胀度和甲醇透过系数均随PES含量的增加而降低。
The PES / SPEEK membranes water uptake , swelling degree and methanol permeability decrease collectively as PES content increases .
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考察了PVA含量对共混膜成膜性、吸水率、溶胀度、离子交换容量、热稳定性、离子传导率及力学性能的影响。
The effects of PVA content on membrane preparation , water uptake , swelling degree , IEC , thermal stability , ionic conductivity and mechanical strength were all investigated .
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明胶pH小于其等电点时,与浓度高于其CMC的十六烷基三甲基溴化铵作用后再与MMT插层,所得复合材料的平衡溶胀度最低,力学性能最好。
While the pH of gelatin lower than its pI and the concentration of CTAB higher than its CMC , the gelatin-CTAB / MMT composite has the lowest equilibrium swelling degree and the best mechanical property .
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实验结果表明,PVA在辐射接枝后能够通过降低PEO水凝胶膜的溶胀度而改善PEO水凝胶膜的机械强度。
These results indicated that PVA can improve the mechanical strength of the PEO E-30 hydrogel film through reducing the degree of swelling of the PEO E-30 hydrogel film after the irradiation graft .
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探讨了温度、pH、氯化钠、乙醇溶液对其溶胀度和溶胀速率的影响,结果表明20~-40℃范围内,凝胶的溶胀度和溶胀速率随着温度的升高而降低;
The effect of temperature , pH , NaCl , ethanol on the degree of swelling and the speed of swelling was analyzed . The result showed that both the degree of swelling and the speed of swelling of the gel decreased with the increase in 20 ~ 40 ℃ .
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在聚乙烯醇(PVA)中添加磷钨酸(PWA)和氧化铝(Al2O3),制得复合质子交换膜,测定其电导率、含水率、溶胀度和甲醇透过系数等性质。
Composite proton exchange membranes are prepared with polyvinyl alcohol ( PVA ), phosphotungstic acid ( PWA ) and alumina ( Al_2O_3 ) . The proton conductivity , water uptake , swelling degree and methanol permeability of the membranes are measured .
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随膜厚增加、温度升高,PEI-Co络合物膜在水中的平衡溶胀度变化不大。
The equilibrium swelling ratio of PEI-Co complex membranes remains almost constant with the change of the membrane thickness or temperature .
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研究了SPI-X膜的吸水率、溶胀度、热稳定性、质子电导率和甲醇渗透性能。
The water uptake , swelling ratio , proton conductivity and methanol permeability of SPI-X membranes were also investigated .
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PNIPA智能水凝胶的智能性主要体现在两个方面:(1)PNIPA在相转变温度(LCST)附近,随温度的微小变化,凝胶的溶胀度具有很大的突变性;
Usually , the intelligent properties of hydrogels are shown into two aspects : ( 1 ) The hydrogels have discontinuous swelling ratios with little change of temperature near the LCST .
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疏水性基团GMA的引入改变了CS-g-GMA薄膜的结晶程度的同时使得非极性溶剂,如苯、环己烯和环己烷等,在其中的溶胀度明显增加。
The introduction of hydrophobic groups GMA changed the degree of crystallinity of CS-g-GMA , also made the swelling ratio of non-polar solvents such as benzene , cyclohexene and cyclohexane , in CS-g-GMA increase significantly .
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在溶胀度为350%时,丙烯酰胺含量较高的凝胶的断裂伸长率达到400%,抗拉强度可达0.5MPa。
The tensile strength of the gel with high content of AM was 0.5 MPa and the breaking elongation could be more than 400 % when the content of water reached 350 % .
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GB/T14797.3-1993浓缩天然胶乳硫化胶乳溶胀度的测定
Natural rubber latex concentrate Prevulcanized rubber latex Determination of swelling capacity
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研究了水凝胶溶胀度的温度依赖性;
Dependence of their swelling behavior on temperature was studied .
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测试了共混膜的力学性能、脱水率和溶胀度。
The mechanical properties , dehydration ratio and swelling ratio are determined .
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用静态体积排除法测定交联高分子网络的溶胀度
Static size exclusion method for determination of swelling ratio of crosslinked polymer networks
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离子强度对溶胀度的影响呈非单调性关系。
The effect of the ionic strength on the equilibrium sorption exhibited non-monotonic behavior .
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PP/PBA热塑性弹性体在高剪切条件下具有良好的流动性,而且在非极性溶剂中具有较低的溶胀度。
The thermoplastic elastomer had good flowability under high shear rate , and reasonable mechanical properties .
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本文研究了不同温度下两种煤在有机溶剂中的溶胀度变化。
The swelling behavior of two kinds of coal in three organic solvents at different temperatures was studied .
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测定了不同掺杂量的复合膜的含水率、溶胀度、电导率、甲醇透过系数等。
Water uptake , swelling ratio , proton conductivity and methanol permeability of the resulting composite membranes were tested .
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离子强度的增加引起凝胶内外渗透压的下降,使水凝胶的溶胀度降低。
The growth of the ionic strength causes the decrease of the osmotic pressure , resulting in the drop of swelling ratio .
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考察了交联剂加入量对吸水率、溶胀度、电导率等性能的影响。
The influence of the amount of cross-linking agent on water uptake , swelling degree , conductivity was investigated in this part .
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不同浓度乙醇处理对丝素/明胶共混膜的溶胀度和溶解率也有极显著影响。
Different concentration ethanol aqueous treatments also have best remarkable influence on swelling rate and water solubility rate of SF / G blend membranes .