物理交联

采用马来酸酐（MAH）改性聚乙烯（PE）与尼龙6（PA6）接枝共混方法制备具有微晶物理交联结构的形状记忆体系。

Shape memory system with the microcrystalline physical crosslinking structure has been prepared by using graft-blending nylon 6 and PE modified by maleic anhydride ( MAH ) .

采用马来酸酐接枝（乙烯/乙酸乙烯酯）共聚物[（E/VAC）-g-MAH]与尼龙6（PA6）共混制备了具有微晶物理交联结构的（E/VAC）-g-MAH/PA6形状记忆体系。

The shape memory system ( E / VAC ) - g-MAH / PA6 of microcrystalline physical crosslinking structure was prepared by blending nylon 6 and ( E / VAC ) - g-MAH .

对石蜡和PB填充的高吸油树脂进行比较，发现PB填充的高吸油树脂中存在物理交联，而石蜡填充的树脂中不含物理交联；

It is found that the high oil absorption resin filled with PB has physical crosslinks , while the resin filled with paraffin has none .

第四章通过冷冻-融熔方法制备了物理交联黄原胶／聚乙烯醇水凝胶，红外光谱证实黄原胶成功地引入到物理交联的PVA水凝胶中。

In chapter 4 , we introduced xanthan gum into PVA to prepare physically cross-linked PVA / xanthan gum hydrogels by freezing-thawing methods .

物理交联剂（PA）的影响比较复杂，在低化学交联剂（CA）浓度下，随PA量的增加，树脂吸油率会增加；

The effect of physical crosslinker ( PA ) concentration was complex . Oil absorbency increased with increasing PA at lower chemical crosslinker ( CA ) concentration .

凝胶在pH≥5.0的缓冲溶液中的溶胀不产生过溶胀平衡现象，这一现象归因于完全离子化的羧基之间不能形成物理交联。

While in pH ≥ 5.0 buffer solutions , the overshoot phenomenon does not appear , and this is attributed to the physical cross-linking not being formed between the ionized carboxyl groups in the media .

通过冰冻-解冻循环方法制备了物理交联水凝胶聚乙烯醇（PVA）/聚丙烯酸（PAA），研究了该水凝胶在直流电场作用下的弯曲响应性质。

The bending characteristics of poly ( vinyl alcohol ) / poly ( acrylic acid ) physical crosslinked by repeated freezing thawing the PVA / PAA mixture solution were studied under the d. c.

辐射交联水凝胶和物理交联水凝胶的药物体外释放规律均符合Higuchi方程，释药原理属骨架型扩散释放机制；

The drug delivery of the two hydrogels both conformed to Higuchi kinetic equation , and mechanisms of the drug release were matrix diffusion .

研究了常数2C＿1，2C＿2及溶胀体系中橡胶的体积分数γ＿k与共混物组成的不同依赖性，评价了物理交联对网络总模量的贡献。

The dependence of the constants 2C_1 , 2C_2 and the fractional volume of rubber in the swelled system γ _k on the blend composition was studied . The contribution of the physical crosslink to the total modulus of the network was evaluated .

同一浓度下，PVA水凝胶的剪切模量及物理交联密度大于PVA/DMSO凝胶，但氢键活化能小于PVA/DMSO凝胶。

Secondly , at the same concentration , the shear modulus and physical cross-linking densities of PVA hydrogels were higher than that of PVA / DMSO gels , while the activation energies of hydrogen bonding dissociation of PVA hydrogels was lower than that of PVA / DMSO gels .

目前，凝胶聚合物电解质膜常用的制备方法是Bellcore技术和溶液浇铸法，得到的膜具有物理交联型结构。

At present , the common preparation methods for PGE are Bellcore and solution-casting technology , and it is physically cross-linked for the PGE produced by Bellcore and solution-casting technology .

但因众多TPE为物理交联或离子交联，因而与传统的热固性橡胶相比，存在力学性能差、耐热温度低和永久变形大等缺点。

However , compared with thermosetting rubbers , most TPEs still have many disadvantages , for example , low mechanical properties , great creep deformation , low heat resistant , due to their crosslinked linkage and sites are based on physical or ionic crosslinkage .

PCQ与壳聚糖物理交联作用使溶液凝胶化，随壳聚糖和邻苯二酚浓度增大以及温度升高，凝胶化时间缩短。电化学实验证明该水凝胶是具有氧化还原活性的。

With the increasing chitosan and catechol concentration and the increasing temperature , the gelation time decreased . The CV curves of chitosan / PCQ hydrogel is also redox active .

本文以Flory凝胶溶胀理论和Tanaka的水凝胶相变理论为基础，引入交联效率、物理交联作用和链段伸展状态变化等的影响，修正并建立了水凝胶溶胀平衡热力学模型和温度&凝胶扩散系数模型。

Based on the Flory and Tanaka theories of hydrogels , a thermodynamic model of the equilibrium swelling of hydrogel was proposed in considering the crosslinking efficiency and the elastic contribution of physical crosslinking , and the model relating the diffusion coefficient - temperature relationship was modified , respectively .

聚苯乙烯微区除了以热塑交联网络起到物理交联作用外，在应力作用下本身还发生非弹性形变，起到补强填料的作用，使EPR-g-PS表现出热塑弹性体的性质。

Highly dispersed microdomains , formed by PS branches , act as a thermoplastic network and energy-absorbing " reinforcing filler ", actually undergoing deformation under stress , and are responsible for the thermoplastic elastomeric properties of EPR-g-PS.

含物理交联高吸油树脂的合成和表征

Synthesis and Characterization of Partially Physical Crosslinking High Oil Absorption Resins

其中，物理交联又分为辐射交联和紫外光交联。

Among them , physical cross-linking method includes radiation and UV cross-linking .

物理交联聚乙烯醇凝胶中氢键作用研究

Hydrogen Bonding Interactions in Physical Cross-Linking Polyvinyl Alcohol Gels

讨论了物理交联的热力学性质以及应力松弛特性。

The character of thermodynamics and stress relaxation of physical crosslinking were discussed .

通过橡胶分子在形变过程中取向的研究，我们探讨聚乙烯的物理交联机理。

The physical crosslinking mechanism of PE was also explored by studying the orientation of rubber molecules during deformation .

物理交联型聚氨酯水凝胶的合成与研究壳聚糖衍生物水凝胶的合成和性能表征

Study and Synthesis of Physical Cross-linking Polyurethane Hydrogel ; Synthesis and Properties of Hydrogels Based on Water Soluble Chitosan Derivative

壳聚糖与明胶分子间相互作用而产生的物理交联抑制了溶菌酶对复合纤维的降解。

At the same time , the physical crosslink due to intermolecular strong interaction restrictes the degradation rate of lysozyme .

相似理论在热工中应用讨论了物理交联的热力学性质以及应力松弛特性。

Application of Similarity Theory in Heat Engineering The character of thermodynamics and stress relaxation of physical crosslinking were discussed .

这种现象可归因于凝胶溶胀过程中羧基之间通过氢键所产生的协同物理交联。

The phenomenon was attributed to a cooperative physical cross-linking caused by the hydrogen bond formation between the carboxyl groups of the hydrogels .

我们认为晶相和硬段无定形相起着物理交联作用，使材料表现出橡胶状的弹性性质。

Tt was believed that the crystalline phase and the hard segment amorphous phase acted as physical cross-linking to make the materials exhibit rubbery clastic properties .

结果表明海藻酸钠与壳聚糖物理交联水凝胶，有助于提高单一壳聚糖水凝胶的力学强度，改善了它的降解性能。

The results showed that the sodium alginate / chitosan hydrogels formed by using physical cross-linking were improved in the mechanical strength and degradation compared to chitosan hydrogels .

该表征技术不仅适用于本论文工作，原则上还普遍适用于各种化学连接或者物理交联的逾渗网络。

This characterization technique is suitable for not only the researches of this thesis , but also various percolation networks of chemical cross-linking and physical gelation in principle . 4 .

因此，越来越多的电线电缆采用交联聚乙烯作为其绝缘材料。目前聚乙烯的交联方法主要有物理交联和化学交联。

Therefore , more and more people using XLPE as insulation material on wire and cable . Currently , there are two major cross-linking methods , physical cross-linking method and chemical cross-linking method .

由于这种缔合作用的存在，在剪切作用下，这种超分子结构的动态物理交联网络容易被破坏，因而溶液呈现典型的假塑性行为；

Due to this association reaction , the dynamically physical cross-linked network of the super-molecular structure can be easily destroyed on the condition of shear , therefore the solution exhibits typical pseudo-plastic behavior ;

结果表明，这些因素对体系微晶物理交联结构稳定的影响是导致形状记忆性能变化的根本原因。

The results show that the influences of these factors on the stability of the physical crosslinking structure for the system of the microcrystalline are the basic reasons that result in variations of shape memory function .