Abstract:
Cellulose particles are described that have cationic groups in their interior. In one aspect, at least 10%, and preferably 50% or more, of the cationic groups are present within the particle interior. Also disclosed are particular combinations of such cellulose particles with certain water-soluble polymers that are well suited for use in the papermaking industry.
Abstract:
Anticoagulative high-molecular composition which comprises a cellulosic polyelectrolyte complex formed from a polycationic cellulose derivative such as a quaternary ammonium salt of hydroxyalkyl cellulose, and a polyanionic cellulose such as sodium cellulose glycolate, which is used in the field of medical instruments or devices.
Abstract:
Water-wettable anhydrous products, such as the powders and creams used in cosmetic and drug products, are admixed with 20 to 60% by weight, based on the weight of the total formulation, of a powdered polyethylene or powdered polypropylene polymer, to improve wettability characteristics. Denture adhesive powders prepared from an anionic/cationic adhesive combination, together with the powdered polyethylene or polypropylene polymer display particularly improved properties. The polyethylene or polypropylene polymer may also be admixed with other anhydrous products including dentifrices, vaginal powder sprays, and the like. Low molecular weight polyethylene powder, with an average molecular weight of from 1,000 to 3,500, is suitable for use in products of the invention. For the polypropylene, a molecular weight of from 120,000 to 350,000 is specified. The powdered polymers have a particle size of less than 422 microns.
Abstract:
An object of the present invention is to provide a hydrophilic cellulose derivative fine particle having a small particle size, a dispersion liquid thereof and a dispersion body thereof; and provide a diagnostic reagent composed of the hydrophilic particle, which is excellent in storage stability and does not require excess components, such as an emulsifier or surfactant. The cellulose derivative fine particle of the present invention is a cellulose derivative fine particle comprising a cellulose derivative with a part of hydroxyl groups of cellulose being substituted with a substituent, wherein the average particle diameter is from 9 to 1,000 nm; and the diagnostic reagent of the present invention is a diagnostic reagent obtained by loading a substance differentially interacting with a test object substance on the above-described cellulose derivative fine particle.
Abstract:
A cellulose ether having (i) one or more substituents selected from the group consisting of methyl, hydroxyethyl and hydroxypropyl, (ii) one or more hydrophobic substituents, and (iii) one or more cationic, tertiary amino, or anionic substituents, and having a retained dynamic viscosity, %η80/25, of at least 30 percent, wherein %η80/25=[dynamic solution viscosity at 80° C./dynamic solution viscosity at 25° C.]×100, the dynamic solution viscosity at 25° C. and 80° being measured as 1% aqueous solution, is useful for modifying the viscosity of a composition selected from the group consisting of wellbore servicing fluids, cementitious formulations, ceramics, metal working fluids and cutting fluids.
Abstract:
Described are methods of dispersing and hydrating a water soluble polymer, comprising forming a nonaqueous slurry of one or more polyethers, one or more water soluble polymer, and hydrophobically modified ethoxylated urethane, provided that the slurry contains less than five percent water. The nonaqueous slurry can be put in contact with water to disperse and hydrate the water soluble polymer.
Abstract:
A cleansing composition comprising the following components (A), (B), and (C): (A) from 1 to 20% by weight of a polyoxyethylene alkyl ether carboxylate in which the average addition mole number of the polyoxyethylene is 3.5 or less and the number of carbons in the alkyl group is from 10 to 18, (B) from 0.02 to 10% by weight of cationized hydroxypropyl cellulose represented by the following formula (1), wherein R1, R2 and R3 each independently represent a substituent group having a cationized ethyleneoxy group and a propyleneoxy group, n represents a number of from 20 to 5000 which is a number representing the average polymerization degree of anhydroglucose, and the substitution degree of the cationized ethyleneoxy group is from 0.01 to 3 and the substitution degree of the propyleneoxy group is from 0.01 to 5, and (C) water.
Abstract:
Combined warp sizing and fixing agent and new method for fixing sulfur dyestuffs on warp. The invention relates to a new warp sizing and fixing agent comprising a combination of modified cationic starch and cationic fixing agent. Such new warp sizing and fixing agent is suitable to be used in fully continuous dyeing processes, if desired in combination with additional sizing additives.