Relation Between Grafting Ratio and Sizing Performance of Graft Modified Starch Size Mixture;
接枝变性淀粉浆料接枝率和上浆性能的关系
Studies on Influence Factors of Grafting Ratio of Solid-phase Polypropylene Grafted with Maleic Anhydride
聚丙烯固相接枝马来酸酐的接枝率影响因素的研究
Determination for the grafting ratio of Starch-g-Poly(lactic acid) by infrared spectrum
淀粉接枝聚乳酸接枝率的红外光谱测定
The graft ratio was controlled via adjustment of reactant dosage and reaction conditions.
采用熔融接枝法制备了低密度聚乙烯(LDPE)与马来酸酐(MAH)接枝物,通过调整反应物的用量及反应条件控制接枝率。
The graft ratios of PBLG-g-PEG were also estimated by()~1H.
通过与亲水性聚合物聚乙二醇(PEG)的酯交换对PBLG进行接枝改性,并考察了温度、反应时间、PBLG链长、PEG链长等因素对产物接枝率的影响,采用红外及核磁共振等方法对聚合物的结构和接枝率进行了表征。
The affecting factors of SBS-g-DABPA graft ratio and the effects of SBS-g-DABPA on the mechanical property of PC/ABS were discussed.
探讨了SBS-g-DABPA接枝率的影响因素及SBS-g-DABPA对PC/ABS合金力学性能的影响。
Study on synthesis and the grafting rate of tetrabasic graft copolymer of CR/VAC/MMA/AA;
CR/VAC/MMA/AA四元接枝共聚物合成及接枝率的研究
In the process of producing the PP-g-MAH by graft coplymerization of polypropylene with maleic anhyaride in the twin-screw extruder, the effects of MAH content, initiator(DCP) content, reaction temperature and reaction time on the grafting rate were studied.
研究了通过双螺杆挤出机聚丙烯熔融挤出接枝马来酸酐制马来酸酐接枝聚丙烯(PP-g-MAH)的工艺,包括单体马来酸酐(MAH)、引发剂DCP的用量及熔融反应温度和时间对聚丙烯(PP)熔融接枝MAH的接枝率的影响。
The grafting rate and surface charge density of the pulp increased when the amount of cerium(Ⅳ)ammonium nitrate(CAN)initiator increased from 2% to .
实验结果表明,当引发剂硝酸铈铵的用量(对绝干浆)从2%提高到8%时,纸浆的接枝率和阳离子表面电荷密度稳步提高;进一步提高引发剂的用量,纸浆的接枝率和阳离子表面电荷密度变化平坦。
Effect of processing parameters on grafting degree using UV techniques to graft MAH onto polypropylene powder;
聚丙烯粉紫外光接枝马来酸酐工艺参数对接枝率的影响
The grafting degree of the specimens collected from four positions along the extrusion direction was evaluated by titration.
研究了不同螺杆构型的混合性能以及低密度聚乙烯熔融接枝马来酸酐的过程,探讨了不同螺杆构型的混合性能与接枝反应接枝率的关系。
Numerous experiments proved that strategies for effectively increasing the grafting degree on area can improve the grafting performance of AAS resin,and provide guidance for AAS emulsion grafting reaction.
用接枝率Gd来表征乳液接枝反应的效果是不全面的,本文引入了面积接枝率这一概念,并通过大量的实验证明了凡是能够有效提高面积接枝率的方法都能够改善AAS树脂的接枝效果,对AAS乳液接枝反应起到了指导性的作用。
The grafting percentage and moisture regain of the polypropylene fiber is greatly influenced by the some factors.
以聚丙烯纤维为基体,以丙烯酸(AA)为单体,在石英大试管内通过紫外光照射,使丙烯酸单体接枝到纤维表面,研究了一些因素对纤维的接枝率和回潮率的影响。
Moreover,the effect regularity of every condition on grafting percentage was discussed,and the structure and hydrophilicity of grafted nonwoven were analyzed.
并讨论了各单因素条件对接枝率的影响变化规律,同时分析了接枝产物的结构及吸湿性能。
It is showed that conditions for grafting taking into consideration grafting percentage and water- absorbtion were radiation dose 5.
研究了用辐照技术对魔芋葡甘聚糖(KonjacglucomannanKGM)和丙烯酸(crylicacid)进行接枝共聚反应条件,通过对辐照剂量、中和度、单体与魔芋胶的配比、有氧无氧条件以及温度等因素试验,探讨对吸水率和接枝率的影响。
The results show that as the temperature rises,the graft efficiency of quaternary ammonium salt with resin in water improves evidently with 94% at 60 ℃.
试验结果表明,随着温度的升高,季铵盐与树脂在水中的接枝效率提高,在60℃时可达到94%。
In this paper,the effect of the selection of starches、initiator、crosslinking agent、additives,the preprocessing of starch,the ratio of initiator,the addition order of initiator on graft efficiency,water/salt-water absorbency has been studied.
用水溶液法合成了淀粉接枝丙烯酸/丙烯酰胺高吸水树脂,主要讨论了淀粉类型、引发剂类型、交联剂类型、添加剂类型、淀粉预处理方式、引发剂比例、引发剂加入方式等对反应的接枝效率、合成树脂吸水/吸盐水性能的影响。
The graft efficiency was determined by means of water extraction method.
利用红外光谱仪和扫描电镜对自制的魔芋超强吸水剂(KSAP)的结构进行了分析,并用萃取法对其接枝效率进行了测定,结果表明KSAP系魔芋多糖与丙烯酸(钠)的接枝产物,为均一性的聚合物,其中含有大量的羟基和羧基亲水基团,且是以魔芋多糖为主链,以接枝的聚丙烯酸(钠)为侧链的聚合物,其接枝效率为75%。
The grafting result was measured by grafting ratio and grafting efficiency.
用接枝率和接枝效率衡量接枝效果。
A New Method for Measuring the Grafting Ratio of Chitosan-graft-polyacrylamide
壳聚糖-聚丙烯酰胺接枝共聚物接枝率的测定
Determination for the grafting ratio of Starch-g-Poly(lactic acid) by infrared spectrum
淀粉接枝聚乳酸接枝率的红外光谱测定
Study on Grafting Degree and Fluidity of LDPE-g-GMA
LDPE-g-GMA的接枝率和流动性研究
Influence of Different Conditions on the Grafting Degree of Polyethersulfone Membranes Grafted Methacrylic Acid with γ-ray Irradiation;
不同条件对聚醚砜膜γ辐射接枝甲基丙烯酸接枝率的影响
Studies on Influence Factors of Grafting Ratio of Solid-phase Polypropylene Grafted with Maleic Anhydride
聚丙烯固相接枝马来酸酐的接枝率影响因素的研究
Preparation and Application of Odorless and High Grafting Ratio PP-g-MAH
无气味高接枝率马来酸酐接枝聚丙烯的制备与应用
STUDY ON THE GRAFTNG YELD OF MALEC ANHYDRDE GRAFTED CHLORNATED POLYPROPYLENE BY NEUTRALZATON TTRATON
酸碱滴定法测定马来酸酐接枝氯化聚丙烯的接枝率
Improvement of Grafting Efficiency Using Inimer in Seeded Emulsion Polymerization;
通过引发剂型单体提高种子乳液聚合接枝率
Effect of the Grafted Rate of PP-g-MMA on the Nonisothe-rmal Crystallization Kinetics of Polypropylene
接枝率对PP-g-MMA非等温结晶动力学的影响
Effect of Grafting Ratio on the Structure and Properties of PVC/PA6-g-SMA Blend
接枝率对PVC/PA6-g-SMA共混物结构与性能的影响
The Study on Measuring EMPLA Molecular Weight and Graft Ratio and Cell Biocompatibility;
EMPLA分子量与接枝率的测定及其细胞生物相容性研究
The effect of survival rates of Michelia figo by different high branch grafting techniques
不同嫁接技术对含笑高枝嫁接成活率的影响
Preparation of CPP-g-MAH and Influencing Factors of Its Grafting Efficiency
CPP-g-MAH的制备及其接枝效率的影响因素
Study on absorbency of starch graft polymer resin by filtration
过滤法测定淀粉接枝聚合物树脂吸液率的研究
With senescing of flower, net photosynthetic rate of NFL decreased markedly, approaching net photosynthetic rate in FL.
随着花的衰败,无花枝叶片的光合速率明显降低,接近有花枝叶片的光合速率。
The results suggested that the decisive factor of the composition of the grafted copolymers was the reactivity ratio and the molar ratio of two monomers, which was testified further by the analyses of the IR and TGA.
接枝产物的红外、重分析进一步佐证了竞聚率对不同二元单体体系接枝生成物结构的影响。
, on the grafting yield was investigated, and the effects of the reactivity ratio of two monomers on the grafting yield, the composition and characteristic of the grafted copolymers were discussed.
结果表明决定二元接枝生成物结构比例的是二元单体的比例及其竞聚率。