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    • 8. 发明申请
    • FUNCTIONALISED DOPANTS AND CONDUCTING POLYANILINE MATERIALS, BLENDS AND PROCESS THEREFOR
    • 功能性聚合物和导电聚苯乙烯材料,其混合物和工艺
    • WO2007077569A1
    • 2007-07-12
    • PCT/IN2005/000461
    • 2005-12-30
    • COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCHMANICKAM, JayakannanPILLAI, Chennakkattu, Krishna, SadasivanDHAWAN, Sundeep, KumarTRIVEDI, Dinesh, ChandraSUBRAMANIAM, Radhakrishnan
    • MANICKAM, JayakannanPILLAI, Chennakkattu, Krishna, SadasivanDHAWAN, Sundeep, KumarTRIVEDI, Dinesh, ChandraSUBRAMANIAM, Radhakrishnan
    • H01B1/12H01B1/20H01L51/30C08G73/02
    • H01L51/002C07C309/46C08L79/02H01B1/128H01L51/0035H01L51/005C08L2666/02
    • Conducting polymers based on renewable resource materials are very attractive because of their wide availability and lower cost compared to petroleum based products. Here we developed a novel dopant for electrically conducting polyaniline from renewable resource cardanol, the main component of cashew nut shell liquid (CNSL). The novel dopant 2-ω-unsaturated-4-hydroxy-4’-sulfinic acid azo benzene or otherwise known as cardanol azo sulfonic acid (1) is synthesized by reaction of diazotized sulphanilic acid (4- aminophenylsulfonicacid) with cardanol under the basic condition. The new cardanol azo sulfonic acid (1) has a long alkyl chains at the 2 positions, which increases the solubility of the dopant as well as polyaniline doped materials in common solvents for many applications. The present invention essentially comprises of three steps; (a) synthesis of cardanol azo sulfonic acid dopant 1 from cardanol (b) synthesis of electrically conducting polyaniline using 1 as dopant both doping the polyaniline emeraldine base in solution and melt and in- situ polymerization of aniline in presence of 1 in various organic and aqueous combination in the interfacial, emulsion and dispersion routes (c) preparation of polyaniline / dopant 1 / thermoplastics blends in solution and melt process and controlling the particle size while maintaining the good morphology. The dopant (1) consisting polyaniline emeraldine salt and its thermoplastic blends are potential materials for various applications in opto-electronic industry.
    • 基于可再生资源材料的导电聚合物是非常有吸引力的,因为它们与石油基产品相比具有广泛的可用性和较低的成本。 在这里,我们开发了一种用于导电聚苯胺的新型掺杂剂,其可再生资源腰果酚是腰果壳液(CNSL)的主要成分。 新型掺杂剂2-β-不饱和-4-羟基-4'-亚磺酸偶氮苯或其他称为腰果吗啉偶氮磺酸(1)是通过重氮化的氨基磺酸(4-氨基苯基磺酸)与腰果酚在碱性条件下反应而合成的 。 新的腰果酚偶氮磺酸(1)在2个位置具有长烷基链,这在许多应用中增加了掺杂剂以及聚苯胺掺杂材料在常用溶剂中的溶解度。 本发明基本上包括三个步骤: (a)从腰果酚合成腰果酚偶氮磺酸掺杂剂1(b)合成导电聚苯胺,使用1作为掺杂剂,掺杂在溶液中的聚苯胺翠绿亚胺碱,并在1种有机和无机存在下熔融和原位聚合苯胺 界面,乳液和分散路线中的水性组合(c)在溶液和熔融过程中制备聚苯胺/掺杂剂1 /热塑性塑料共混物,并控制粒度同时保持良好的形态。 由聚苯胺翠绿亚胺盐及其热塑性共混物构成的掺杂剂(1)是光电子行业各种应用的潜在材料。