摘要:
A power coating composition comprises at least one film-forming polymeric material and has dry-blended therewith two or more dry-blended additives selected from solid, particulate, inorganic, water-insoluble materials which may be ceramic or mineral materials and/or may be oxides, mixed oxides, hydrated oxides, hydroxides, oxide-hydroxides or oxysalts of metals and metalloids, at least 95% by volume of the powder coating composition having a particle size not exceeding 50 microns.
摘要:
A process for preparing a resin extended pigment from crude pigment is disclosed. The process involves dry premilling the crude pigment with the resin followed by comilling the pre-milled pigment with the resin in the presence of water under alkaline conditions.
摘要:
A process is provided for purifying and stabilizing marine mussel polyphenolic proteins rich in 3,4-dihydroxyphenylalanine (dopa) and hydroxyproline (hyp) while obtaining high yields thereof. The process includes the steps of providing an acid soluble extract of the dopa-containing proteins, removing the low molecular weight material from the extract and reacting the remaining proteinaceous material with a water soluble borate at a pH of 7.0-9.0 to provide a soluble borate complex of the dopa-containing protein while precipitating impurities. The complex is separated from the precipitate and may be concentrated for storage or treated with an acetic acid solution and either concentrated or lyophilized and stored under an inert atmosphere. The purified proteins exhibit a dopa:protein index of purity ratio of at least about 0.10.