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首页> 外文OA文献 >Enzymatic surface hydrolysis of poly(ethylene terephthalate) and bis(benzoyloxyethyl) terephthalate by lipase and cutinase in the presence of surface active molecules
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Enzymatic surface hydrolysis of poly(ethylene terephthalate) and bis(benzoyloxyethyl) terephthalate by lipase and cutinase in the presence of surface active molecules

机译：聚（对苯二甲酸乙二醇酯）和双（苯甲酰氧乙基）对苯二甲酸酯和Cutinase在表面活性分子存在下的酶水解

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摘要

A lipase from Thermomyces lanuginosus and cutinases from Thermobifida fusca and Fusarium solani hydrolysed poly(ethylene terephthalate) (PET) fabrics and films and bis(benzoyloxyethyl) terephthalate (3PET) endo-wise as shown by MALDI-Tof-MS, LC–UVD/MS, cationic dyeing and XPS analysis. Due to interfacial activation of the lipase in the presence of Triton X-100, a seven-fold increase of hydrolysis products released from 3PET was measured. In the presence of the plasticizer N,N-diethyl-2-phenylacetamide (DEPA), increased hydrolysis rates of semi-crystalline PET films and fabrics were measured both for lipase and cutinase. The formation of novel polar groups resulted in enhanced dye ability with additional increase in colour depth by 130% and 300% for cutinase and lipase, respectively, in the presence of plasticizer.
机译：来自Thermocyces Lanuginosus和来自Thermobifida Fusca和Fusarium solani水解聚（PETHETHETHALITE）（PET）织物和薄膜和双（苯甲酰氧乙基）对苯二甲酸酯（3pp）的脂肪酶，如MALDI-TOF-MS，LC-UVD / MS，阳离子染色和XPS分析。由于在Triton X-100存在下脂肪酶的界面激活，测量了从3ppt释放的水解产物的七倍增加。在增塑剂N，N-二乙基-2-苯基乙酰胺（DEPA）的存在下，针对脂肪酶和CUTIN酶测量半结晶PET膜和织物的增加的水解速率。在增塑剂存在下，在增塑剂存在下，在增塑剂的存在下，新颖的极性基团的形成具有增强的染料能力，额外的色彩深度和300％，对于Cutinase和脂肪酶。

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