基于油脂化学的长链二酯是潜在的有机相变材料,可方便地进行热能存储。高效和绿色方法的发展是制备这些环境友好化合物的重要要求,这些化合物也正在广泛的工业应用中。因此,在目前的工作中,在无溶剂的介质中通过离子液体催化的可分级化学酯化或酯交换反应合成了一系列二元酸酯。使起始化合物二羧酸或其甲酯与脂肪醇或胆固醇分别按1:2的比例反应,并通过FT-IR,1 H NMR和13 C NMR对合成的酯进行表征。
[Problem] To provide an insulation material that has an excellent volume resistivity while retaining the balance among various capabilities including the mechanical strength, the heat resistance, the oil resistance, the bleed-out resistance, the plasticizer migration resistance, and the like, equivalent to a resin composition containing an ordinary phthalate ester.
[Solution] An insulation material containing a resin composition containing: an ester (i) having one or more constitutional unit represented by the following formula (A) (wherein R1 and R2 each independently represent an alkyl group having from 1 to 4 carbon atoms); and a resin (ii).
Anti-accretion additives for wellbore fluids and methods of use thereof
申请人:M-I L.L.C.
公开号:US10253238B2
公开(公告)日:2019-04-09
Accretion inhibiting wellbore fluid compositions a ay contain a multiester, a sorbitan ester surfactant, and a base fluid, wherein the composition is in the form of a metastable emulsion. Methods may include emplacing a wellbore fluid into a wellbore, the wellbore fluid containing a multiester, and a sorbitan ester surfactant, wherein the wellbore fluid forms a metastable emulsion.
抑制沉积的井筒流体组合物 ay 含有多元酯、山梨糖醇酯表面活性剂和基础流体,其中组合物为稳定乳液形式。方法可包括将井筒流体注入井筒,井筒流体含有多元酯和山梨糖醇酯表面活性剂,其中井筒流体形成稳定乳液。
Insulation material
申请人:KURARAY CO., LTD.
公开号:US10811165B2
公开(公告)日:2020-10-20
[Problem] To provide an insulation material that has an excellent volume resistivity while retaining the balance among various capabilities including the mechanical strength, the heat resistance, the oil resistance, the bleed-out resistance, the plasticizer migration resistance, and the like, equivalent to a resin composition containing an ordinary phthalate ester.
[Solution] An insulation material containing a resin composition containing: an ester (i) having one or more constitutional unit represented by the following formula (A) (wherein R1 and R2 each independently represent an alkyl group having from 1 to 4 carbon atoms); and a resin (ii).