摘要:
The present invention relates to a polymer obtained at least from a quantity A of 2-acrylamido-2-methylpropane sulfonic acid, in acid and/or salified form, characterized in that the quantity A of 2-acrylamido-2-methylpropane sulfonic acid contains 250 to 20,000 ppm by weight of 2-methyl-2-propenyl-sulfonic acid, in acid and/or salified form. The present invention also relates to the use of this polymer as a flocculant, viscosity reducing agent, thickener, absorbent, friction reducing agent or plasticizer or superplasticizer, in particular in a field chosen from among oil and gas recovery, water treatment, sludge treatment, paper manufacture, construction, mining, cosmetic product formulation, detergent formulation, textile manufacture and agriculture.
摘要:
The present invention provides compounds of Formula (I) or a subgeneric structure or species thereof or a pharmaceutically acceptable salt, ester, solvate, and/or prodrug thereof and methods and compositions for treating or ameliorating abnormal cell proliferative disorders, such as cancer, wherein A, R2, R3, R10, E1, E2, E3, Y, and Z are as defined herein.
摘要:
According to one aspect of the present invention, there is provided a pattern forming method comprising, in this order: (1) forming a film by using an electron beam- or extreme ultraviolet-sensitive resin composition containing, in a specific amount, a resin (Aa) having a specific atom or substituent; (2) exposing the film by using an electron beam or extreme ultraviolet ray; and (3) forming a negative pattern by performing development using a developer including an organic solvent after the exposure.
摘要:
Provided are a binder composition for an electrode for a capacitive deionization device including a first polymer including a first structural unit including a zwitterionic functional group and a second structural unit including a cross-linkable functional group, a cross-linking agent, and ionic functional group, an electrode for a capacitive deionization device including the composition, a capacitive deionization device including the electrode, and a method of removing ions from a fluid using the device.
摘要:
The present invention provides a resin comprising a structural unit represented by the formula (aa): wherein T1 represents a C4-C34 sultone ring group optionally having one or more substituents, X2 represents —O— or —N(Rc)—, Rc represents a hydrogen atom or a C1-C6 alkyl group, when X2 is —O—, Z1 represents *—X1—, *—X3—CO—O—X1—, *—X3—CO—N(Rc)—X1—, *—X3—O—CO—X1— or *—X3—N(Rc)—CO—X1—, when X2 is —N(Rc)—, Z1 represents *—X1—, *—X1—O—X3—, *—X1—CO—, *—X1—X4—CO—X3—, *—X1—CO—X4—X3—, *—X1—X4—CO—X3—CO— or *—X1—CO—X4—X3—CO—, X1 and X3 independently each represent a C1-C6 divalent aliphatic hydrocarbon group, X4 represents —O— or —N(Rc)—, * represents a binding position to X2, and R1 represents a C1-C6 alkyl group optionally having one or more halogen atoms, a hydrogen atom or a halogen atom.
摘要:
The present invention relates to an additive for use in the molding of a ceramic material, which exhibits satisfactory water absorption performance in a ceramic green ceramic clay, can highly achieve both high fluidability and low loading performance during extrusion molding and high shape-retaining performance after extrusion at the same time, and comprises polymer microparticles. This additive for use in the molding of a ceramic material comprises polymer microparticles, is characterized in that the polymer microparticles have an average particle size between 10 and 150 μm when the polymer microparticles are swollen with ion exchange water until the swollen polymer microparticles reach a saturated state and can absorb 10-60 mL/g of ion exchange water under ordinary pressure, and is also characterized in that an aqueous dispersion prepared by dispersing 1 part by mass of the polymer microparticles in 110 parts by mass of ion exchange water has an electrical conductivity of 1500 μS/cm or less at 25° C.
摘要:
A compound represented by the following formula (a): CH2═CR1—CONJ-CKR2—(CH2)n—COO-Q1-Rf1 (a) is provided. This compound is capable of forming a polymer having an oil repellency equivalent to polymers containing a polyfluoroalkyl group containing at least 8 carbon atoms, although the polyfluoroalkyl group contains up to 6 carbon atoms. In the formula, R1 is hydrogen atom or methyl group, R2 is hydrogen atom or a group represented by —(CH2)m—COO-Q2-Rf2 (r), n and m are independently an integer of 0 to 4, Rf1 and Rf2 are independently a polyfluoroalkyl group or a polyfluoroether group containing 1 to 6 carbon atoms, Q1 and Q2 are independently single bond or a divalent linkage group, J is hydrogen atom or an alkyl group containing 1 to 3 carbon atoms, K is hydrogen atom or an alkyl group containing 1 to 3 carbon atoms, and j and k are independently single bond or an alkylene group containing 1 to 3 carbon atoms with the proviso that j and k are not simultaneously single bond.
摘要:
The present invention relates to compositions comprising polymers whose solubility characteristics can be changed by incubation and particularly ploy (hydroxyalkyl (meth) acrylamide mono/di-lactate) interpolymers. Another aspect of this invention is the application of such temperature sensitive polymers as release systems of biologically active compounds. The polymers of the present invention comprise monomers, which have modifiable functionality. The functionality of the monomers can for example be modified by the presence of hydrolysable groups. The modification is effected by the incubation, leading to a change of the water solubility characteristics of the polymer. The polymers used in the present invention contain hydrolysable chemical groups. As a result the polymer's solution characteristics, specifically its lower critical solution temperature (LCST), change upon incubation.
摘要:
Materials and methods for the generation of polyelectrolyte multilayers that can erode to release cationic components. The multilayers comprise layers that contain one or more cations and one or more charge-dynamic anionic polymers. Charge-dynamic anionic polymers contain side chains having removable functional groups. Removal of the functional groups results in a change in the net change in the charge of the polymer which can disrupt interactions between cations and the anionic polymers and facilitate release of cations.
摘要:
The present invention provides novel (meth)acrylic and (meth)acrylamide monomers and polymers produced from those monomers. The monomers of the invention each include only a single vinyl functionality and at least one non-vinyl functionality that can be varied to achieve desired monomer/polymer properties. The invention additionally provides methods of producing polymers from these mono-vinyl monomers.