New materials based on polybutene-1: Effect of low amount of propylene on crystallization, polymorphism and properties
基于聚丁烯-1的新材料:低丙烯用量对结晶、多晶型和性能的影响
基本信息
- 批准号:228934933
- 负责人:
- 金额:--
- 依托单位:
- 依托单位国家:德国
- 项目类别:Research Grants
- 财政年份:2013
- 资助国家:德国
- 起止时间:2012-12-31 至 2015-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Isotactic polybutene-1 belongs to the group of crystallizable polyolefins with special application-relevant properties like high heat distortion temperature, low creep, or high stress cracking resistance. A major disadvantage of polybutene-1 is a phase transition from an unstable mesophase into a metastable crystal which occurs in the solid state immediately after processing or solidification of the melt on cooling, covering a period up to several days. This phase transition is connected with volume shrinkage and distinct change of materials properties. The kinetics of the mesophase- crystal phase transition can advantageous be changed by random incorporation of low amount of co-units into the butene-1 macromolecule. This includes the insertion of propylene co-units into polybutene-1 with the crystallization behavior and the particular mesophase/crystal polymorphism not investigated yet. Therefore, it is the aim of this project to establish a correlation between the concentration of propylene co-units in random butene-1/propylene copolymers and the kinetics of the mesophase-crystal phase transition including the analysis of dependence of mechanical properties as a function of time during the phase transition. The research to be performed will include the evaluation of the effect of the primary condition of the solidification on the polymorphism focusing on conditions as are evident in real polybutene-1 processing schemes. The project will contribute to the development of new polymeric materials based on polybutene-1 and will provide further knowledge about structure formation of this important polymer at conditions relevant in real processing.
全同立构聚丁烯-1属于可结晶聚烯烃类,具有特殊的应用相关性能,如高热变形温度、低蠕变或高应力开裂抗性。聚丁烯-1的一个主要缺点是从不稳定的中间相到亚稳晶体的相变,该相变在熔体加工或冷却固化后立即以固态发生,持续长达几天的时间。这种相变与体积收缩和材料性能的显著变化有关。中间相-晶体相转变的动力学可以有利地通过将少量的共聚单元无规并入丁烯-1大分子中来改变。这包括丙烯共聚单元插入到聚丁烯-1中,其结晶行为和特定的中间相/晶体多晶型尚未研究。因此,本项目的目的是建立无规丁烯-1/丙烯共聚物中丙烯共聚单元浓度与中间相-晶体相变动力学之间的相关性,包括分析相变期间机械性能随时间的依赖性。进行的研究将包括评价固化的主要条件对多晶型的影响,重点是真实的聚丁烯-1加工方案中明显的条件。该项目将有助于基于聚丁烯-1的新型聚合物材料的开发,并将提供有关这种重要聚合物在真实的加工条件下结构形成的进一步知识。
项目成果
期刊论文数量(4)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Transition from two-stage to direct melt-crystallization in isotactic random butene-1/propene copolymers
- DOI:10.1016/j.polymer.2013.03.032
- 发表时间:2013-04-26
- 期刊:
- 影响因子:4.6
- 作者:Androsch, Rene;Hohlfeld, Rona;Cavallo, Dario
- 通讯作者:Cavallo, Dario
Comparative study of the kinetics of non-isothermal melt solidification of random copolymers of butene-1 with either ethylene or propylene
- DOI:10.1007/s00396-014-3224-x
- 发表时间:2014-04
- 期刊:
- 影响因子:2.4
- 作者:I. Stolte;R. Androsch
- 通讯作者:I. Stolte;R. Androsch
Influence of the Form II/Form I crystal polymorphism of random copolymers of butene-1 with ethylene or propylene on the peel behavior of peel films
1 丁烯与乙烯或丙烯无规共聚物的 II 型/I 型晶型对剥离膜剥离行为的影响
- DOI:10.1002/pen.24013
- 发表时间:
- 期刊:
- 影响因子:3.2
- 作者:Androsch;Henning;Grellmann
- 通讯作者:Grellmann
Form I′ crystal formation in random butene-1/propylene copolymers as revealed by real-time X-ray scattering using synchrotron radiation and fast scanning chip calorimetry
- DOI:10.1016/j.eurpolymj.2014.08.011
- 发表时间:2014-11
- 期刊:
- 影响因子:6
- 作者:I. Stolte;D. Cavallo;G. C. Alfonso;G. Portale;M. Drongelen;R. Androsch
- 通讯作者:I. Stolte;D. Cavallo;G. C. Alfonso;G. Portale;M. Drongelen;R. Androsch
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Professor Dr.-Ing. René Androsch其他文献
Professor Dr.-Ing. René Androsch的其他文献
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{{ truncateString('Professor Dr.-Ing. René Androsch', 18)}}的其他基金
Controlled release of volatile mosquito repellents from nanostructured polymers to reduce infectious tropical diseases: Part II: Bicomponent fibers as drug-release device
纳米结构聚合物控制释放挥发性驱蚊剂以减少传染性热带疾病:第二部分:双组分纤维作为药物释放装置
- 批准号:
270456781 - 财政年份:2015
- 资助金额:
-- - 项目类别:
Research Grants
Aging-controlled crystallization of poly(lactic acid).Part 3: Control of crystallization, structure and properties of injection moldings of poly(lactic acid) by controlled crystal nucleation during and after the injection-molding process
聚乳酸的老化控制结晶。第 3 部分:通过注塑过程中和注塑后控制晶体成核来控制聚乳酸注塑件的结晶、结构和性能
- 批准号:
261899164 - 财政年份:2014
- 资助金额:
-- - 项目类别:
Research Grants
Structure and properties of injection-molded nanocomposites of biobased polyamide 11 and fibrous sepiolite or layer-like montmorillonite nanofillers
生物基聚酰胺11与纤维状海泡石或层状蒙脱石纳米填料注射成型纳米复合材料的结构和性能
- 批准号:
260513810 - 财政年份:2014
- 资助金额:
-- - 项目类别:
Research Grants
Technology of crystallization of polyamide 6 via a mesophase for generation of a semicrystalline structure with specific properties. Part II: Kinetics of homogeneous nucleation
聚酰胺 6 通过中间相结晶的技术,用于生成具有特定性能的半晶结构。
- 批准号:
169600666 - 财政年份:2010
- 资助金额:
-- - 项目类别:
Research Grants
Kinetisch kontrollierte Formation von Nanokristallen in statistischen Propylencopolymeren: Einfluss der chemischen Struktur der Comonomere
无规丙烯共聚物中纳米晶体的动力学控制形成:共聚单体化学结构的影响
- 批准号:
68339684 - 财政年份:2008
- 资助金额:
-- - 项目类别:
Research Grants
Polymorphism-controlled Young’s modulus of biobased polymers: Time-dependence due to physical aging
多晶型控制的生物基聚合物杨氏模量:由于物理老化而具有时间依赖性
- 批准号:
439920697 - 财政年份:
- 资助金额:
-- - 项目类别:
Research Grants
Kinetics of crystal nucleation of polymers and low-molecular-weight organic compounds: Using Tammann’s approach to discover differences and similarities
聚合物和低分子量有机化合物的晶体成核动力学:使用塔曼方法发现异同
- 批准号:
464908856 - 财政年份:
- 资助金额:
-- - 项目类别:
Research Grants
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