CAS: 25086-62-8; Poly(Methacrylic Acid), Sodium Salt

专利信息

专利号:US-4416805-A
优先权日:1978-12-20
标题:Synthesis of zeolites of small and uniform size having a high magnesium exchange capacity
发明人：KOSTINKO JOHN A
权利人:HUBER CORP J M
摘要:Zeolites of small and uniform size are formed having high magnesium exchange capacities. Zeolite A is disclosed having an average particle size less than 1.7 microns, a calcium carbonate exchange capacity of more than 230 mg calcium carbonate per gram zeolite and a magnesium exchange capacity of more than 140 mg magnesium carbonate per gram zeolite. This zeolite A is produced from a reaction mixture having a water to sodium oxide molar ratio of less than 35:1, and a sodium oxide to silica molar ratio of between 1:1 and 4:1, wherein the silica to alumina molar ratio is greater than 3:1 when the sodium oxide to silica molar ratio is less than 4:3 and the sodium oxide to alumina molar ratio is greater than 4:1 when the sodium oxide to silica molar ratio is greater than 4:3. Zeolite X is disclosed having an average particle size less than 2.2 microns, a calcium carbonate exchange capacity of more than 205 mg calcium carbonate per gram zeolite, and a magnesium exchange capacity of more than 130 mg magnesium carbonate per gram zeolite. This zeolite X is produced from a reaction mixture having a silicate alumina molar ratio greater than 5:1. A combination of zerolite A and zeolite X can be produced from the same reaction mixture.

专利号:US-4443422-A
优先权日:1978-12-20
标 题:Synthesis of zeolites of small and uniform size having a high magnesium exchange capacity
发明人：KOSTINKO JOHN A
权利人:HUBER CORP J M
摘要:Zeolites of small and uniform size are formed having high magnesium exchange capacities. Zeolite A is disclosed having an average particle size less than 1.7 microns, a calcium carbonate exchange capacity of more than 230 mg calcium carbonate per gram zeolite and a magnesium exchange capacity of more than 140 mg magnesium carbonate per gram zeolite. This zeolite A is produced from a reaction mixture having a water to sodium oxide molar ratio of less than 35:1, and a sodium oxide to silica molar ratio of between 1:1 and 4:1, wherein the silica to alumina molar ratio is greater than 3:1 when the sodium oxide to silica molar ratio is less than 4:3 and the sodium oxide to alumina molar ratio is greater than 4:1 when the sodium oxide to silica molar ratio is greater than 4:3. Zeolite X is disclosed having an average particle size less than 2.2 microns, a calcium carbonate exchange capacity of more than 205 mg calcium carbonate per gram zeolite, and a magnesium exchange capacity of more than 130 mg magnesium carbonate per gram zeolite. This zeolite X is produced from a reaction mixture having a silicate alumina molar ratio greater than 5:1. A combination of zeolite A and zeolite X can be produced from the same reaction mixture.

专利号:US-10479754-B2
优先权日:2015-09-16
标题 :Synthesis of methacrylic acid from methacrolein-based alkyl methacrylate
发明人：KRILL STEFFEN; GROEMPING MATTHIAS; LYGIN ALEXANDER
权利人:ROEHM GMBH
摘要:The present invention relates to a process for preparing alkyl methacrylates, especially MMA, and methacrylic acid, based on methacrolein, which has been oxidatively esterified in a second process stage. Methacrolein is obtainable in principle from C2 and C4 units. The present process has the advantage that the alkyl methacrylate and methacrylic acid can be obtained in a simple manner, in high yields and high purities, either as a mixture or as isolated product streams. In particular, the process of the invention has the great advantage that especially the ratio of the desired methacrylic acid and alkyl methacrylate, especially MMA, products can be adjusted freely within a wide range and varied by chemical engineering measures and operating parameters.

专利号:WO-2024011371-A1
优先权日:2022-07-11
标题 :Binder for positive electrode plate and synthesis method therefor, positive electrode plate comprising same, secondary battery and electric device
发明人：YE CHONG; SUN CHENGDONG; ZHENG YI; XIE LAIYONG
权利人:CONTEMPORARY AMPEREX TECHNOLOGY CO LTD
摘要:Provided in the present application are a binder for a positive electrode plate and a synthesis method therefor, a positive electrode plate comprising same, a secondary battery and an electric device. The binder comprises a copolymer formed by comonomers, wherein the comonomers comprise a first monomer, a second monomer, a third monomer, and a fourth monomer, and the molar content of the first monomer is 3 mol% to 10 mol% based on the total molar amount 100 mol% of the comonomers. The binder provided in the present application not only has good flexibility and high cohesiveness, but also has good electrolyte swelling resistance, such that a positive electrode plate is ensured to have a high bonding strength and good processing properties, and a secondary battery is also ensured to maintain a good structural stability during the long-term charging and discharging processes, which further gives full play to the electrochemical properties of the secondary battery.

专利号:US-6136926-A
优先权日:1996-07-22
标 题 :Cross-linkable, olefinic polymers and methods for their synthesis
发明人：RAETZSCH MANFRED; HESSE ACHIM; BUCKA HARMUT; LEISTNER DIRK; IVANCHEV SERGEJ; HEIKIN SAUL; MESH ALLA; PUKSCHANSKI MOISEJ
权利人:BOREALIS GMBH
摘要:Cross-linkable, olefinic polymers synthesized from mixtures of olefinic polymers and ethylenically unsaturated organosilane compounds, which can be grafted, by a 2-step method using thermally decomposing free radical-forming agents by heating the mixtures to a temperature of 30 DEG to 110 DEG C. below the softening temperature or the crystallite melting point of the olefinic polymers used and subsequently heating the mixtures to a reaction temperature of 10 DEG to 60 DEG C. below the softening temperature or the crystallite melting point of the olefinic polymers used. In the alternative, they can be grafted by a method involving the action of ionizing radiation with simultaneous absorption of organosilane compounds and the action of radiation. The method is suitable for producing films, sheets, fibers, panels, coatings, pipes, hollow objects, foamed materials and molded articles.

专利号:US-2008096271-A1
优先权日:2006-10-20
标题 :Polymeric self-assembly multiplayer membranes for ion screening: design, fabrication and application in sensors
发明人：ZHOU JICANG; LI QING
权利人:HONEYWELL INT INC
摘要:The embodiments of the invention are related to an extrinsically compensated multilayer membrane comprising at least a first layer comprising charged polymers and a second layer comprising neutral polymers, wherein the first layer is characteristic of extrinsic compensation and the charges on the polymer are balanced by mobile counter ions. The embodiments of the invention relate to: i) extrinsically compensated membrane for ion screening; ii) two types of polymers for fabricating the extrinsically compensated membrane; iii) driving force for self-assembly and approaches to create such a driving force between the two polymers, which involve the functionalization of the two types of polymers via functional moieties: donors and acceptors; iv) one or more approaches of synthesis of the two types of polymers; v) the fabrications of extrinsically compensated membrane with the two types of polymers; and vi) the fabrication of functional sensing membranes and the sensors thereof.