摘要:
Modified resins are disclosed for removing a wide variety of solids and/or ionic species from the liquids in which they are suspended and/or dissolved. These modified resins are especially useful as froth flotation depressants in the beneficiation of many types of materials (e.g., mineral and metal ores), including the beneficiation of impure coal comprising clay impurities, as well as in the separation of valuable bitumen from solid contaminants such as sand. The modified resins are also useful for treating aqueous liquid suspensions to facilitate the removal of solid particulates, as well as the removal of metallic ions in the purification of water. The modified resins comprise a base resin that is modified with a coupling agent, which is highly selective for binding to solid contaminants and especially siliceous materials such as sand or clay.
摘要:
An ink jet recording sheet having a recording surface which includes a combination of a water soluble polyvalent metal salt and a cationic polymer, said polymer having cationic groups which are available in the recording surface for insolubilizing an anionic dye.
摘要:
Amine-aldehyde resins are disclosed for removing a wide variety of solids and/or ionic species from the liquids in which they are suspended and/or dissolved. These resins are especially useful as froth flotation depressants, for example in the beneficiation of value materials (e.g., bitumen, coal, or kaolin clay) to remove impurities such as sand. The resins are also useful for treating aqueous liquid suspensions to remove solid particulates, as well as for removing metallic ions in the purification of water.
摘要:
Amine-aldehyde resins are disclosed for removing a wide variety of solids and/or ionic species from the liquids in which they are suspended and/or dissolved. These resins are especially useful as froth flotation depressants, for example in the beneficiation of value materials (e.g., bitumen, coal, or kaolin clay) to remove impurities such as sand. The resins are also useful for treating aqueous liquid suspensions to remove solid particulates, as well as for removing metallic ions in the purification of water.
摘要:
A process for forming printing plates using an imaging sheet which carries a layer of microcapsules containing a photohardenable composition; the imaging sheet is preferably assembled with a printing plate support, exposed and subjected to pressure to rupture the microcapsules and differentially transfer the photohardenable composition to the support; the transferred composition is hardened to provide ink-receptive images useful in printing.
摘要:
A method for producing microcapsules by interfacial photopolymerization is disclosed wherein a wall-forming monomer is present in both the continuous and the discontinuous phases of a dispersed system, at least one of the phases contains a photoinitiator; polymeric capsule walls which ensheath discrete droplets constituting the discontinuous phase are formed by photopolymerization; in accordance with one embodiment, the discontinuous phase is an oil and a polyfunctional isocyanate prepolymer is added to the discontinuous oil phase as an emulsion stabilizer to enhance wall formation.
摘要:
Plants are protected from insects and mites by the application of tall oil neutrals to the plants. The method can prevent insects and mites from eating on the plants, sterilize the insects and mites, or destroy the insects and mites.
摘要:
Modified resins are disclosed for removing a wide variety of solids and/or ionic species from the liquids in which they are suspended and/or dissolved. These modified resins are especially useful as froth flotation depressants in the beneficiation of many types of materials (e.g., mineral and metal ores), including the beneficiation of impure coal comprising clay impurities, as well as in the separation of valuable bitumen from solid contaminants such as sand. The modified resins are also useful for treating aqueous liquid suspensions to facilitate the removal of solid particulates, as well as the removal of metallic ions in the purification of water. The modified resins comprise a base resin that is modified with a coupling agent, which is highly selective for binding to solid contaminants and especially siliceous materials such as sand or clay.